From 1f6eeb89a9864f1af52255845907294c35fa8a0e Mon Sep 17 00:00:00 2001
From: quexeky <116044207+quexeky@users.noreply.github.com>
Date: Tue, 1 Apr 2025 22:17:34 +1100
Subject: [PATCH 01/50] Initial commit

---
 libraries/droplet/.gitignore |  17 +
 libraries/droplet/LICENSE    | 661 +++++++++++++++++++++++++++++++++++
 libraries/droplet/README.md  |   2 +
 3 files changed, 680 insertions(+)
 create mode 100644 libraries/droplet/.gitignore
 create mode 100644 libraries/droplet/LICENSE
 create mode 100644 libraries/droplet/README.md

diff --git a/libraries/droplet/.gitignore b/libraries/droplet/.gitignore
new file mode 100644
index 00000000..0104787a
--- /dev/null
+++ b/libraries/droplet/.gitignore
@@ -0,0 +1,17 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# RustRover
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
\ No newline at end of file
diff --git a/libraries/droplet/LICENSE b/libraries/droplet/LICENSE
new file mode 100644
index 00000000..0ad25db4
--- /dev/null
+++ b/libraries/droplet/LICENSE
@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
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+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.
diff --git a/libraries/droplet/README.md b/libraries/droplet/README.md
new file mode 100644
index 00000000..b321a75e
--- /dev/null
+++ b/libraries/droplet/README.md
@@ -0,0 +1,2 @@
+# droplet-rs
+Core rust functionality for droplet

From 961cbdcc9ec4293338e9a33a93f665d669761453 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:19:32 +1100
Subject: [PATCH 02/50] feat: Migrate all features to droplet-rs

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/.gitignore        |   6 +-
 libraries/droplet/Cargo.lock        | 988 ++++++++++++++++++++++++++++
 libraries/droplet/Cargo.toml        |  50 ++
 libraries/droplet/src/file_utils.rs |  24 +
 libraries/droplet/src/lib.rs        |   4 +
 libraries/droplet/src/ssl.rs        | 130 ++++
 6 files changed, 1201 insertions(+), 1 deletion(-)
 create mode 100644 libraries/droplet/Cargo.lock
 create mode 100644 libraries/droplet/Cargo.toml
 create mode 100644 libraries/droplet/src/file_utils.rs
 create mode 100644 libraries/droplet/src/lib.rs
 create mode 100644 libraries/droplet/src/ssl.rs

diff --git a/libraries/droplet/.gitignore b/libraries/droplet/.gitignore
index 0104787a..423b4790 100644
--- a/libraries/droplet/.gitignore
+++ b/libraries/droplet/.gitignore
@@ -14,4 +14,8 @@ target/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
\ No newline at end of file
+#.idea/
+
+# Added by cargo
+
+/target
diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
new file mode 100644
index 00000000..30051b61
--- /dev/null
+++ b/libraries/droplet/Cargo.lock
@@ -0,0 +1,988 @@
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diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
new file mode 100644
index 00000000..5f44c057
--- /dev/null
+++ b/libraries/droplet/Cargo.toml
@@ -0,0 +1,50 @@
+[package]
+edition = "2024"
+name = "droplet-rs"
+version = "0.7.0"
+license = "AGPL-3.0-only"
+description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+# Default enable napi4 feature, see https://nodejs.org/api/n-api.html#node-api-version-matrix
+napi = { version = "2.12.2", default-features = false, features = [
+    "napi4",
+    "async",
+] }
+napi-derive = "2.12.2"
+hex = "0.4.3"
+serde_json = "1.0.128"
+md5 = "0.7.0"
+time-macros = "0.2.22"
+time = "0.3.41"
+webpki = "0.22.4"
+ring = "0.17.14"
+
+[dependencies.x509-parser]
+version = "0.17.0"
+features = ["verify"]
+
+[dependencies.rcgen]
+version = "0.13.2"
+features = ["crypto", "pem", "x509-parser"]
+
+[dependencies.serde]
+version = "1.0.210"
+features = ["serde_derive"]
+
+[dependencies.uuid]
+version = "1.10.0"
+features = [
+    "v4",                # Lets you generate random UUIDs
+    "fast-rng",          # Use a faster (but still sufficiently random) RNG
+    "macro-diagnostics", # Enable better diagnostics for compile-time UUIDs
+]
+
+[build-dependencies]
+napi-build = "2.0.1"
+
+[profile.release]
+lto = true
+strip = "symbols"
\ No newline at end of file
diff --git a/libraries/droplet/src/file_utils.rs b/libraries/droplet/src/file_utils.rs
new file mode 100644
index 00000000..332e61ff
--- /dev/null
+++ b/libraries/droplet/src/file_utils.rs
@@ -0,0 +1,24 @@
+use std::{
+    fs::{self, metadata},
+    path::{Path, PathBuf},
+};
+
+fn list_files_recursive(vec: &mut Vec<PathBuf>, path: &Path) {
+    if metadata(path).unwrap().is_dir() {
+        let paths = fs::read_dir(path).unwrap();
+        for path_result in paths {
+            let full_path = path_result.unwrap().path();
+            if metadata(&full_path).unwrap().is_dir() {
+                list_files_recursive(vec, &full_path);
+            } else {
+                vec.push(full_path);
+            }
+        }
+    }
+}
+
+pub fn list_files(path: &Path) -> Vec<PathBuf> {
+    let mut vec = Vec::new();
+    list_files_recursive(&mut vec, path);
+    vec
+}
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
new file mode 100644
index 00000000..fc5931d1
--- /dev/null
+++ b/libraries/droplet/src/lib.rs
@@ -0,0 +1,4 @@
+#![deny(clippy::all)]
+
+pub mod file_utils;
+pub mod ssl;
diff --git a/libraries/droplet/src/ssl.rs b/libraries/droplet/src/ssl.rs
new file mode 100644
index 00000000..fb6e56ab
--- /dev/null
+++ b/libraries/droplet/src/ssl.rs
@@ -0,0 +1,130 @@
+use napi::Error;
+use rcgen::{
+    CertificateParams, DistinguishedName, IsCa, KeyPair, KeyUsagePurpose, PublicKeyData,
+    SubjectPublicKeyInfo,
+};
+use ring::rand::SystemRandom;
+use ring::signature::{EcdsaKeyPair, VerificationAlgorithm};
+use time::{Duration, OffsetDateTime};
+use x509_parser::parse_x509_certificate;
+use x509_parser::pem::Pem;
+
+pub fn generate_root_ca() -> Result<Vec<String>, Error> {
+    let mut params = CertificateParams::default();
+
+    let mut name = DistinguishedName::new();
+    name.push(rcgen::DnType::CommonName, "Drop Root Server");
+    name.push(rcgen::DnType::OrganizationName, "Drop");
+
+    params.distinguished_name = name;
+
+    params.not_before = OffsetDateTime::now_utc();
+    params.not_after = OffsetDateTime::now_utc()
+        .checked_add(Duration::days(365 * 1000))
+        .unwrap();
+
+    params.is_ca = IsCa::Ca(rcgen::BasicConstraints::Unconstrained);
+
+    params.key_usages = vec![
+        KeyUsagePurpose::CrlSign,
+        KeyUsagePurpose::KeyCertSign,
+        KeyUsagePurpose::DigitalSignature,
+    ];
+
+    let key_pair = KeyPair::generate().map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let certificate = CertificateParams::self_signed(params, &key_pair)
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+
+    // Returns certificate, then private key
+    Ok(vec![certificate.pem(), key_pair.serialize_pem()])
+}
+
+pub fn generate_client_certificate(
+    client_id: String,
+    _client_name: String,
+    root_ca: String,
+    root_ca_private: String,
+) -> Result<Vec<String>, Error> {
+    let root_key_pair =
+        KeyPair::from_pem(&root_ca_private).map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let certificate_params = CertificateParams::from_ca_cert_pem(&root_ca)
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let root_ca = CertificateParams::self_signed(certificate_params, &root_key_pair)
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+
+    let mut params = CertificateParams::default();
+
+    let mut name = DistinguishedName::new();
+    name.push(rcgen::DnType::CommonName, client_id);
+    name.push(rcgen::DnType::OrganizationName, "Drop");
+    params.distinguished_name = name;
+
+    params.key_usages = vec![
+        KeyUsagePurpose::DigitalSignature,
+        KeyUsagePurpose::DataEncipherment,
+    ];
+
+    let key_pair = KeyPair::generate_for(&rcgen::PKCS_ECDSA_P384_SHA384)
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let certificate = CertificateParams::signed_by(params, &key_pair, &root_ca, &root_key_pair)
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+
+    // Returns certificate, then private key
+    Ok(vec![certificate.pem(), key_pair.serialize_pem()])
+}
+
+pub fn verify_client_certificate(client_cert: String, root_ca: String) -> Result<bool, Error> {
+    let root_ca = Pem::iter_from_buffer(root_ca.as_bytes())
+        .next()
+        .unwrap()
+        .unwrap();
+    let root_ca = root_ca.parse_x509().unwrap();
+
+    let client_cert = Pem::iter_from_buffer(client_cert.as_bytes())
+        .next()
+        .unwrap()
+        .unwrap();
+    let client_cert = client_cert.parse_x509().unwrap();
+
+    let valid = root_ca
+        .verify_signature(Some(client_cert.public_key()))
+        .is_ok();
+
+    Ok(valid)
+}
+
+pub fn sign_nonce(private_key: String, nonce: String) -> Result<String, Error> {
+    let rng = SystemRandom::new();
+
+    let key_pair = KeyPair::from_pem(&private_key).unwrap();
+
+    let key_pair = EcdsaKeyPair::from_pkcs8(
+        &ring::signature::ECDSA_P384_SHA384_FIXED_SIGNING,
+        &key_pair.serialize_der(),
+        &rng,
+    )
+    .unwrap();
+
+    let signature = key_pair.sign(&rng, nonce.as_bytes()).unwrap();
+    let hex_signature = hex::encode(signature);
+
+    Ok(hex_signature)
+}
+
+pub fn verify_nonce(public_cert: String, nonce: String, signature: String) -> Result<bool, Error> {
+    let (_, pem) = x509_parser::pem::parse_x509_pem(public_cert.as_bytes()).unwrap();
+    let (_, spki) = parse_x509_certificate(&pem.contents).unwrap();
+    let public_key = SubjectPublicKeyInfo::from_der(spki.public_key().raw).unwrap();
+
+    let raw_signature = hex::decode(signature).unwrap();
+
+    let valid = ring::signature::ECDSA_P384_SHA384_FIXED
+        .verify(
+            public_key.der_bytes().into(),
+            nonce.as_bytes().into(),
+            raw_signature[..].into(),
+        )
+        .is_ok();
+
+    Ok(valid)
+}

From 0b8edf7bc292889e3c64e5613e989ab2e72afb10 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:26:31 +1100
Subject: [PATCH 03/50] chore: Update authors

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 5f44c057..76ad9a13 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 edition = "2024"
+authors = ["Drop-OSS"]
 name = "droplet-rs"
 version = "0.7.0"
 license = "AGPL-3.0-only"

From 39e60587d26fffcb0fc64ba86c717fadd37eb028 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:46:02 +1100
Subject: [PATCH 04/50] refactor: Remove unused dependencies

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.lock | 196 +----------------------------------
 libraries/droplet/Cargo.toml |  15 ---
 2 files changed, 2 insertions(+), 209 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 30051b61..6bed7620 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -17,15 +17,6 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
-[[package]]
-name = "aho-corasick"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "asn1-rs"
 version = "0.6.2"
@@ -219,17 +210,12 @@ name = "droplet-rs"
 version = "0.7.0"
 dependencies = [
  "hex",
- "md5",
  "napi",
  "napi-build",
- "napi-derive",
  "rcgen",
  "ring",
- "serde",
- "serde_json",
  "time",
  "time-macros",
- "uuid",
  "webpki",
  "x509-parser 0.17.0",
 ]
@@ -242,19 +228,7 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
-dependencies = [
- "cfg-if",
- "libc",
- "r-efi",
- "wasi 0.14.2+wasi-0.2.4",
+ "wasi",
 ]
 
 [[package]]
@@ -297,12 +271,6 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "md5"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
-
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -368,8 +336,6 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "regex",
- "semver",
  "syn",
 ]
 
@@ -481,15 +447,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
-[[package]]
-name = "ppv-lite86"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
-dependencies = [
- "zerocopy",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.94"
@@ -508,42 +465,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "r-efi"
-version = "5.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
-
-[[package]]
-name = "rand"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
-dependencies = [
- "rand_chacha",
- "rand_core",
- "zerocopy",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
-dependencies = [
- "getrandom 0.3.2",
-]
-
 [[package]]
 name = "rcgen"
 version = "0.13.2"
@@ -558,35 +479,6 @@ dependencies = [
  "yasna",
 ]
 
-[[package]]
-name = "regex"
-version = "1.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
-
 [[package]]
 name = "ring"
 version = "0.17.14"
@@ -595,7 +487,7 @@ checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
 dependencies = [
  "cc",
  "cfg-if",
- "getrandom 0.2.15",
+ "getrandom",
  "libc",
  "untrusted",
  "windows-sys",
@@ -622,18 +514,6 @@ version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "917ce264624a4b4db1c364dcc35bfca9ded014d0a958cd47ad3e960e988ea51c"
 
-[[package]]
-name = "ryu"
-version = "1.0.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
-
-[[package]]
-name = "semver"
-version = "1.0.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
-
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -654,18 +534,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "serde_json"
-version = "1.0.140"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
-dependencies = [
- "itoa",
- "memchr",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -793,43 +661,12 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
-[[package]]
-name = "uuid"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
-dependencies = [
- "getrandom 0.3.2",
- "rand",
- "uuid-macro-internal",
-]
-
-[[package]]
-name = "uuid-macro-internal"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72dcd78c4f979627a754f5522cea6e6a25e55139056535fe6e69c506cd64a862"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
-[[package]]
-name = "wasi"
-version = "0.14.2+wasi-0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
-dependencies = [
- "wit-bindgen-rt",
-]
-
 [[package]]
 name = "webpki"
 version = "0.22.4"
@@ -913,15 +750,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
-[[package]]
-name = "wit-bindgen-rt"
-version = "0.39.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "x509-parser"
 version = "0.16.0"
@@ -966,23 +794,3 @@ checksum = "e17bb3549cc1321ae1296b9cdc2698e2b6cb1992adfa19a8c72e5b7a738f44cd"
 dependencies = [
  "time",
 ]
-
-[[package]]
-name = "zerocopy"
-version = "0.8.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2586fea28e186957ef732a5f8b3be2da217d65c5969d4b1e17f973ebbe876879"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 76ad9a13..a0298015 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -14,10 +14,7 @@ napi = { version = "2.12.2", default-features = false, features = [
     "napi4",
     "async",
 ] }
-napi-derive = "2.12.2"
 hex = "0.4.3"
-serde_json = "1.0.128"
-md5 = "0.7.0"
 time-macros = "0.2.22"
 time = "0.3.41"
 webpki = "0.22.4"
@@ -31,18 +28,6 @@ features = ["verify"]
 version = "0.13.2"
 features = ["crypto", "pem", "x509-parser"]
 
-[dependencies.serde]
-version = "1.0.210"
-features = ["serde_derive"]
-
-[dependencies.uuid]
-version = "1.10.0"
-features = [
-    "v4",                # Lets you generate random UUIDs
-    "fast-rng",          # Use a faster (but still sufficiently random) RNG
-    "macro-diagnostics", # Enable better diagnostics for compile-time UUIDs
-]
-
 [build-dependencies]
 napi-build = "2.0.1"
 

From bab8a294945cbcba89f2e6e980bd8854377dad85 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:47:42 +1100
Subject: [PATCH 05/50] fix: Rollback to 2021 edition

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index a0298015..6250977e 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-edition = "2024"
+edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
 version = "0.7.0"

From 14405f70099fc3492002ad8155642b8a25bcd60b Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:48:12 +1100
Subject: [PATCH 06/50] chore: Version bump

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 6bed7620..7feb1c7a 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -207,7 +207,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.7.0"
+version = "0.7.1"
 dependencies = [
  "hex",
  "napi",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 6250977e..06f0ed20 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.7.0"
+version = "0.7.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 [lib]

From 8c209672e06604f197ffbf01ffe9494c3d569216 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:53:20 +1100
Subject: [PATCH 07/50] fix: Remove napi dependencies

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.lock | 181 -----------------------------------
 libraries/droplet/Cargo.toml |  10 +-
 libraries/droplet/src/ssl.rs |  27 ++----
 3 files changed, 11 insertions(+), 207 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 7feb1c7a..4c7126b7 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -2,21 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "addr2line"
-version = "0.24.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler2"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
-
 [[package]]
 name = "asn1-rs"
 version = "0.6.2"
@@ -90,33 +75,12 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
-[[package]]
-name = "backtrace"
-version = "0.3.74"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a"
-dependencies = [
- "addr2line",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
- "windows-targets",
-]
-
 [[package]]
 name = "base64"
 version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
-[[package]]
-name = "bitflags"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
-
 [[package]]
 name = "cc"
 version = "1.2.17"
@@ -132,25 +96,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "convert_case"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
-dependencies = [
- "unicode-segmentation",
-]
-
-[[package]]
-name = "ctor"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
-dependencies = [
- "quote",
- "syn",
-]
-
 [[package]]
 name = "data-encoding"
 version = "2.8.0"
@@ -210,8 +155,6 @@ name = "droplet-rs"
 version = "0.7.1"
 dependencies = [
  "hex",
- "napi",
- "napi-build",
  "rcgen",
  "ring",
  "time",
@@ -231,12 +174,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.31.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
-
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -261,16 +198,6 @@ version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
-[[package]]
-name = "libloading"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
-dependencies = [
- "cfg-if",
- "windows-targets",
-]
-
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -283,71 +210,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
-[[package]]
-name = "miniz_oxide"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e3e04debbb59698c15bacbb6d93584a8c0ca9cc3213cb423d31f760d8843ce5"
-dependencies = [
- "adler2",
-]
-
-[[package]]
-name = "napi"
-version = "2.16.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55740c4ae1d8696773c78fdafd5d0e5fe9bc9f1b071c7ba493ba5c413a9184f3"
-dependencies = [
- "bitflags",
- "ctor",
- "napi-derive",
- "napi-sys",
- "once_cell",
- "tokio",
-]
-
-[[package]]
-name = "napi-build"
-version = "2.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28acfa557c083f6e254a786e01ba253fc56f18ee000afcd4f79af735f73a6da"
-
-[[package]]
-name = "napi-derive"
-version = "2.16.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cbe2585d8ac223f7d34f13701434b9d5f4eb9c332cccce8dee57ea18ab8ab0c"
-dependencies = [
- "cfg-if",
- "convert_case",
- "napi-derive-backend",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "napi-derive-backend"
-version = "1.0.75"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1639aaa9eeb76e91c6ae66da8ce3e89e921cd3885e99ec85f4abacae72fc91bf"
-dependencies = [
- "convert_case",
- "once_cell",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "napi-sys"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "427802e8ec3a734331fec1035594a210ce1ff4dc5bc1950530920ab717964ea3"
-dependencies = [
- "libloading",
-]
-
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -392,15 +254,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "object"
-version = "0.36.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62948e14d923ea95ea2c7c86c71013138b66525b86bdc08d2dcc262bdb497b87"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "oid-registry"
 version = "0.7.1"
@@ -419,12 +272,6 @@ dependencies = [
  "asn1-rs 0.7.1",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.21.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
-
 [[package]]
 name = "pem"
 version = "3.0.5"
@@ -435,12 +282,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "pin-project-lite"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
-
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -493,12 +334,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
-
 [[package]]
 name = "rusticata-macros"
 version = "4.1.0"
@@ -633,28 +468,12 @@ dependencies = [
  "time-core",
 ]
 
-[[package]]
-name = "tokio"
-version = "1.44.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f382da615b842244d4b8738c82ed1275e6c5dd90c459a30941cd07080b06c91a"
-dependencies = [
- "backtrace",
- "pin-project-lite",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
-
 [[package]]
 name = "untrusted"
 version = "0.9.0"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 06f0ed20..c1a4b0ae 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -9,11 +9,6 @@ description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performa
 crate-type = ["cdylib"]
 
 [dependencies]
-# Default enable napi4 feature, see https://nodejs.org/api/n-api.html#node-api-version-matrix
-napi = { version = "2.12.2", default-features = false, features = [
-    "napi4",
-    "async",
-] }
 hex = "0.4.3"
 time-macros = "0.2.22"
 time = "0.3.41"
@@ -28,9 +23,6 @@ features = ["verify"]
 version = "0.13.2"
 features = ["crypto", "pem", "x509-parser"]
 
-[build-dependencies]
-napi-build = "2.0.1"
-
 [profile.release]
 lto = true
-strip = "symbols"
\ No newline at end of file
+strip = "symbols"
diff --git a/libraries/droplet/src/ssl.rs b/libraries/droplet/src/ssl.rs
index fb6e56ab..6f59e984 100644
--- a/libraries/droplet/src/ssl.rs
+++ b/libraries/droplet/src/ssl.rs
@@ -1,7 +1,5 @@
-use napi::Error;
 use rcgen::{
-    CertificateParams, DistinguishedName, IsCa, KeyPair, KeyUsagePurpose, PublicKeyData,
-    SubjectPublicKeyInfo,
+    CertificateParams, DistinguishedName, Error, IsCa, KeyPair, KeyUsagePurpose, PublicKeyData, SubjectPublicKeyInfo
 };
 use ring::rand::SystemRandom;
 use ring::signature::{EcdsaKeyPair, VerificationAlgorithm};
@@ -9,7 +7,7 @@ use time::{Duration, OffsetDateTime};
 use x509_parser::parse_x509_certificate;
 use x509_parser::pem::Pem;
 
-pub fn generate_root_ca() -> Result<Vec<String>, Error> {
+pub fn generate_root_ca() -> Result<Vec<String>, rcgen::Error> {
     let mut params = CertificateParams::default();
 
     let mut name = DistinguishedName::new();
@@ -31,9 +29,8 @@ pub fn generate_root_ca() -> Result<Vec<String>, Error> {
         KeyUsagePurpose::DigitalSignature,
     ];
 
-    let key_pair = KeyPair::generate().map_err(|e| napi::Error::from_reason(e.to_string()))?;
-    let certificate = CertificateParams::self_signed(params, &key_pair)
-        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let key_pair = KeyPair::generate()?;
+    let certificate = CertificateParams::self_signed(params, &key_pair)?;
 
     // Returns certificate, then private key
     Ok(vec![certificate.pem(), key_pair.serialize_pem()])
@@ -44,13 +41,11 @@ pub fn generate_client_certificate(
     _client_name: String,
     root_ca: String,
     root_ca_private: String,
-) -> Result<Vec<String>, Error> {
+) -> Result<Vec<String>, rcgen::Error> {
     let root_key_pair =
-        KeyPair::from_pem(&root_ca_private).map_err(|e| napi::Error::from_reason(e.to_string()))?;
-    let certificate_params = CertificateParams::from_ca_cert_pem(&root_ca)
-        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
-    let root_ca = CertificateParams::self_signed(certificate_params, &root_key_pair)
-        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+        KeyPair::from_pem(&root_ca_private)?;
+    let certificate_params = CertificateParams::from_ca_cert_pem(&root_ca)?;
+    let root_ca = CertificateParams::self_signed(certificate_params, &root_key_pair)?;
 
     let mut params = CertificateParams::default();
 
@@ -64,10 +59,8 @@ pub fn generate_client_certificate(
         KeyUsagePurpose::DataEncipherment,
     ];
 
-    let key_pair = KeyPair::generate_for(&rcgen::PKCS_ECDSA_P384_SHA384)
-        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
-    let certificate = CertificateParams::signed_by(params, &key_pair, &root_ca, &root_key_pair)
-        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    let key_pair = KeyPair::generate_for(&rcgen::PKCS_ECDSA_P384_SHA384)?;
+    let certificate = CertificateParams::signed_by(params, &key_pair, &root_ca, &root_key_pair)?;
 
     // Returns certificate, then private key
     Ok(vec![certificate.pem(), key_pair.serialize_pem()])

From 4e9794f628d46068ec096293fb6e61b386b84509 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 09:53:33 +1100
Subject: [PATCH 08/50] chore: Version bump

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 4c7126b7..4ff84d04 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -152,7 +152,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.7.1"
+version = "0.7.2"
 dependencies = [
  "hex",
  "rcgen",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index c1a4b0ae..9c3cb684 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.7.1"
+version = "0.7.2"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 [lib]

From b2de86b8920a5a1080993f4616069ec64ea27546 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 10:04:18 +1100
Subject: [PATCH 09/50] fix: Removed cdylib reference

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.toml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 9c3cb684..222296a0 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -1,12 +1,10 @@
-[package]
+[lib]
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.7.2"
+version = "0.7.3"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
-[lib]
-crate-type = ["cdylib"]
 
 [dependencies]
 hex = "0.4.3"

From b0df1a8b42d8dd707ad2a1766f56b1a0ef6e2dbf Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Wed, 2 Apr 2025 10:10:47 +1100
Subject: [PATCH 10/50] fix: Use [package] instead of [lib]

Signed-off-by: quexeky <git@quexeky.dev>
---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 4ff84d04..6d36edbb 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -152,7 +152,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.7.2"
+version = "0.7.3"
 dependencies = [
  "hex",
  "rcgen",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 222296a0..bb08d453 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -1,4 +1,4 @@
-[lib]
+[package]
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"

From 2d67febdb1aa96f79036301554a8466d464a338f Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 11:11:46 +1100
Subject: [PATCH 11/50] feat: move version backend

---
 libraries/droplet/Cargo.lock               |  32 ++-
 libraries/droplet/Cargo.toml               |   5 +-
 libraries/droplet/src/lib.rs               |   1 +
 libraries/droplet/src/versions/backends.rs | 246 +++++++++++++++++++++
 libraries/droplet/src/versions/mod.rs      |   2 +
 libraries/droplet/src/versions/types.rs    |  55 +++++
 6 files changed, 339 insertions(+), 2 deletions(-)
 create mode 100644 libraries/droplet/src/versions/backends.rs
 create mode 100644 libraries/droplet/src/versions/mod.rs
 create mode 100644 libraries/droplet/src/versions/types.rs

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 6d36edbb..22be2c74 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "anyhow"
+version = "1.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+
 [[package]]
 name = "asn1-rs"
 version = "0.6.2"
@@ -152,17 +158,26 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.7.3"
+version = "0.8.0"
 dependencies = [
+ "anyhow",
+ "dyn-clone",
  "hex",
  "rcgen",
  "ring",
  "time",
  "time-macros",
+ "tokio",
  "webpki",
  "x509-parser 0.17.0",
 ]
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -282,6 +297,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -468,6 +489,15 @@ dependencies = [
  "time-core",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
+dependencies = [
+ "pin-project-lite",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index bb08d453..b0d0c7da 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.7.3"
+version = "0.8.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
@@ -12,6 +12,9 @@ time-macros = "0.2.22"
 time = "0.3.41"
 webpki = "0.22.4"
 ring = "0.17.14"
+dyn-clone = "1.0.20"
+tokio = "1.48.0"
+anyhow = "1.0.100"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index fc5931d1..ec1ad139 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -2,3 +2,4 @@
 
 pub mod file_utils;
 pub mod ssl;
+pub mod versions;
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
new file mode 100644
index 00000000..96fd6ad8
--- /dev/null
+++ b/libraries/droplet/src/versions/backends.rs
@@ -0,0 +1,246 @@
+#[cfg(unix)]
+use std::os::unix::fs::PermissionsExt;
+use std::{
+    cell::LazyCell,
+    fs::{self, metadata, File},
+    io::{self, BufRead, BufReader, Read, Seek, SeekFrom, Sink},
+    path::{Path, PathBuf},
+    process::{Child, ChildStdout, Command, Stdio},
+    sync::{Arc, LazyLock},
+};
+
+use anyhow::{anyhow, Result};
+
+use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
+
+pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
+    if metadata(path)?.is_dir() {
+        let paths = fs::read_dir(path)?;
+        for path_result in paths {
+            let full_path = path_result?.path();
+            if metadata(&full_path)?.is_dir() {
+                _list_files(vec, &full_path)?;
+            } else {
+                vec.push(full_path);
+            }
+        }
+    };
+
+    Ok(())
+}
+
+#[derive(Clone)]
+pub struct PathVersionBackend {
+    pub base_dir: PathBuf,
+}
+impl VersionBackend for PathVersionBackend {
+    fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
+        let mut vec = Vec::new();
+        _list_files(&mut vec, &self.base_dir)?;
+
+        let mut results = Vec::new();
+
+        for pathbuf in vec.iter() {
+            let relative = pathbuf.strip_prefix(self.base_dir.clone())?;
+
+            results.push(
+                self.peek_file(
+                    relative
+                        .to_str()
+                        .ok_or(anyhow!("Could not parse path"))?
+                        .to_owned(),
+                )?,
+            );
+        }
+
+        Ok(results)
+    }
+
+    fn reader(
+        &mut self,
+        file: &VersionFile,
+        start: u64,
+        end: u64,
+    ) -> anyhow::Result<Box<dyn MinimumFileObject + 'static>> {
+        let mut file = File::open(self.base_dir.join(file.relative_filename.clone()))?;
+
+        if start != 0 {
+            file.seek(SeekFrom::Start(start))?;
+        }
+
+        if end != 0 {
+            return Ok(Box::new(file.take(end - start)));
+        }
+
+        Ok(Box::new(file))
+    }
+
+    fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
+        let pathbuf = self.base_dir.join(sub_path.clone());
+        if !pathbuf.exists() {
+            return Err(anyhow!("Path doesn't exist."));
+        };
+
+        let file = File::open(pathbuf.clone())?;
+        let metadata = file.try_clone()?.metadata()?;
+        let permission_object = metadata.permissions();
+        let permissions = {
+            let perm: u32;
+            #[cfg(target_family = "unix")]
+            {
+                perm = permission_object.mode();
+            }
+            #[cfg(not(target_family = "unix"))]
+            {
+                perm = 0
+            }
+            perm
+        };
+
+        Ok(VersionFile {
+            relative_filename: sub_path,
+            permission: permissions,
+            size: metadata.len(),
+        })
+    }
+
+    fn require_whole_files(&self) -> bool {
+        false
+    }
+}
+
+pub static SEVEN_ZIP_INSTALLED: LazyLock<bool> =
+    LazyLock::new(|| Command::new("7z").output().is_ok());
+// https://7-zip.opensource.jp/chm/general/formats.htm
+// Intentionally repeated some because it's a trivial cost and it's easier to directly copy from the docs above
+pub const SUPPORTED_FILE_EXTENSIONS: [&str; 89] = [
+    "7z", "bz2", "bzip2", "tbz2", "tbz", "gz", "gzip", "tgz", "tar", "wim", "swm", "esd", "xz",
+    "txz", "zip", "zipx", "jar", "xpi", "odt", "ods", "docx", "xlsx", "epub", "apm", "ar", "a",
+    "deb", "lib", "arj", "cab", "chm", "chw", "chi", "chq", "msi", "msp", "doc", "xls", "ppt",
+    "cpio", "cramfs", "dmg", "ext", "ext2", "ext3", "ext4", "img", "fat", "img", "hfs", "hfsx",
+    "hxs", "hxr", "hxq", "hxw", "lit", "ihex", "iso", "img", "lzh", "lha", "lzma", "mbr", "mslz",
+    "mub", "nsis", "ntfs", "img", "mbr", "rar", "r00", "rpm", "ppmd", "qcow", "qcow2", "qcow2c",
+    "squashfs", "udf", "iso", "img", "scap", "uefif", "vdi", "vhd", "vmdk", "xar", "pkg", "z",
+    "taz",
+];
+
+#[derive(Clone)]
+pub struct ZipVersionBackend {
+    path: String,
+}
+impl ZipVersionBackend {
+    pub fn new(path: PathBuf) -> anyhow::Result<Self> {
+        Ok(Self {
+            path: path.to_str().expect("invalid utf path").to_owned(),
+        })
+    }
+}
+
+pub struct ZipFileWrapper {
+    command: Child,
+    reader: BufReader<ChildStdout>,
+}
+
+impl ZipFileWrapper {
+    pub fn new(mut command: Child) -> Self {
+        let stdout = command
+            .stdout
+            .take()
+            .expect("failed to access stdout of 7z");
+        let reader = BufReader::new(stdout);
+        ZipFileWrapper { command, reader }
+    }
+}
+
+/**
+ * This read implemention is a result of debugging hell
+ * It should probably be replaced with a .take() call.
+ */
+impl Read for ZipFileWrapper {
+    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
+        self.reader.read(buf)
+    }
+}
+
+impl Drop for ZipFileWrapper {
+    fn drop(&mut self) {
+        self.command.wait().expect("failed to wait for 7z exit");
+    }
+}
+
+impl VersionBackend for ZipVersionBackend {
+    fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
+        let mut list_command = Command::new("7z");
+        list_command.args(vec!["l", "-ba", &self.path]);
+        let result = list_command.output()?;
+        if !result.status.success() {
+            return Err(anyhow!(
+                "failed to list files: code {:?}",
+                result.status.code()
+            ));
+        }
+        let raw_result = String::from_utf8(result.stdout)?;
+        let files = raw_result
+            .split("\n")
+            .filter(|v| v.len() > 0)
+            .map(|v| v.split(" ").filter(|v| v.len() > 0));
+        let mut results = Vec::new();
+
+        for file in files {
+            let values = file.collect::<Vec<&str>>();
+            let mut iter = values.iter();
+            let (date, time, attrs, size, compress, name) = (
+                iter.next().expect("failed to read date"),
+                iter.next().expect("failed to read time"),
+                iter.next().expect("failed to read attrs"),
+                iter.next().expect("failed to read size"),
+                iter.next().expect("failed to read compress"),
+                iter.collect::<Vec<&&str>>(),
+            );
+            if attrs.starts_with("D") {
+                continue;
+            }
+            results.push(VersionFile {
+                relative_filename: name
+                    .into_iter()
+                    .map(|v| *v)
+                    .fold(String::new(), |a, b| a + b + " ")
+                    .trim_end()
+                    .to_owned(),
+                permission: 0o744, // owner r/w/x, everyone else, read
+                size: size.parse().unwrap(),
+            });
+        }
+
+        Ok(results)
+    }
+
+    fn reader(
+        &mut self,
+        file: &VersionFile,
+        start: u64,
+        end: u64,
+    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>> {
+        let mut read_command = Command::new("7z");
+        read_command.args(vec!["e", "-so", &self.path, &file.relative_filename]);
+        let output = read_command
+            .stdout(Stdio::piped())
+            .spawn()
+            .expect("failed to spawn 7z");
+        Ok(Box::new(ZipFileWrapper::new(output)))
+    }
+
+    fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
+        let files = self.list_files()?;
+        let file = files
+            .iter()
+            .find(|v| v.relative_filename == sub_path)
+            .expect("file not found");
+
+        Ok(file.clone())
+    }
+
+    fn require_whole_files(&self) -> bool {
+        true
+    }
+}
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
new file mode 100644
index 00000000..21b07e7c
--- /dev/null
+++ b/libraries/droplet/src/versions/mod.rs
@@ -0,0 +1,2 @@
+pub mod types;
+pub mod backends;
\ No newline at end of file
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
new file mode 100644
index 00000000..91c234d5
--- /dev/null
+++ b/libraries/droplet/src/versions/types.rs
@@ -0,0 +1,55 @@
+use std::{fmt::Debug, io::Read};
+
+use dyn_clone::DynClone;
+use tokio::io::{self, AsyncRead};
+
+#[derive(Debug, Clone)]
+pub struct VersionFile {
+  pub relative_filename: String,
+  pub permission: u32,
+  pub size: u64,
+}
+
+pub trait MinimumFileObject: Read + Send {}
+impl<T: Read + Send> MinimumFileObject for T {}
+
+// Intentionally not a generic, because of types in read_file
+pub struct ReadToAsyncRead<'a> {
+  pub inner: Box<dyn Read + Send + 'a>,
+}
+
+const ASYNC_READ_BUFFER_SIZE: usize = 8128;
+
+impl<'a> AsyncRead for ReadToAsyncRead<'a> {
+  fn poll_read(
+    mut self: std::pin::Pin<&mut Self>,
+    _cx: &mut std::task::Context<'_>,
+    buf: &mut tokio::io::ReadBuf<'_>,
+  ) -> std::task::Poll<io::Result<()>> {
+    let mut read_buf = [0u8; ASYNC_READ_BUFFER_SIZE];
+    let read_size = ASYNC_READ_BUFFER_SIZE.min(buf.remaining());
+    match self.inner.read(&mut read_buf[0..read_size]) {
+      Ok(read) => {
+        buf.put_slice(&read_buf[0..read]);
+        std::task::Poll::Ready(Ok(()))
+      }
+      Err(err) => {
+        std::task::Poll::Ready(Err(err))
+      },
+    }
+  }
+}
+
+pub trait VersionBackend: DynClone {
+  fn require_whole_files(&self) -> bool;
+  fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>>;
+  fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile>;
+  fn reader(
+    &mut self,
+    file: &VersionFile,
+    start: u64,
+    end: u64,
+  ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>>;
+}
+
+dyn_clone::clone_trait_object!(VersionBackend);

From 7c49a5cacb63dbf246a0e853db489c166fa0ea38 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 11:14:18 +1100
Subject: [PATCH 12/50] feat: add backend constructor

---
 libraries/droplet/Cargo.lock          |  2 +-
 libraries/droplet/Cargo.toml          |  2 +-
 libraries/droplet/src/versions/mod.rs | 54 ++++++++++++++++++++++++++-
 3 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 22be2c74..a88d8f7e 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -158,7 +158,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "anyhow",
  "dyn-clone",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index b0d0c7da..0ec263d7 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.8.0"
+version = "0.8.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index 21b07e7c..fd11106b 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -1,2 +1,54 @@
+use std::path::Path;
+
+use anyhow::Result;
+
+use crate::versions::{
+    backends::{
+        PathVersionBackend, ZipVersionBackend, SEVEN_ZIP_INSTALLED, SUPPORTED_FILE_EXTENSIONS,
+    },
+    types::VersionBackend,
+};
+
+pub mod backends;
 pub mod types;
-pub mod backends;
\ No newline at end of file
+pub fn create_backend_constructor<'a>(
+    path: &Path,
+) -> Option<Box<dyn FnOnce() -> Result<Box<dyn VersionBackend + Send + 'a>>>> {
+    if !path.exists() {
+        return None;
+    }
+
+    let is_directory = path.is_dir();
+    if is_directory {
+        let base_dir = path.to_path_buf();
+        return Some(Box::new(move || {
+            Ok(Box::new(PathVersionBackend { base_dir }))
+        }));
+    };
+
+    if *SEVEN_ZIP_INSTALLED {
+        /*
+        Slow 7zip integrity test
+        let mut test = Command::new("7z");
+        test.args(vec!["t", path.to_str().expect("invalid utf path")]);
+        let status = test.status().ok()?;
+        if status.code().unwrap_or(1) == 0 {
+          let buf = path.to_path_buf();
+          return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
+        }
+         */
+        // Fast filename-based test
+        if let Some(extension) = path.extension().and_then(|v| v.to_str()) {
+            let supported = SUPPORTED_FILE_EXTENSIONS
+                .iter()
+                .find(|v| ***v == *extension)
+                .is_some();
+            if supported {
+                let buf = path.to_path_buf();
+                return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
+            }
+        }
+    }
+
+    None
+}

From 724415df78b41735b835ed917b0255bd71238083 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 11:25:53 +1100
Subject: [PATCH 13/50] feat: make version backends sync

---
 libraries/droplet/src/versions/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index fd11106b..19e001a9 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -13,7 +13,7 @@ pub mod backends;
 pub mod types;
 pub fn create_backend_constructor<'a>(
     path: &Path,
-) -> Option<Box<dyn FnOnce() -> Result<Box<dyn VersionBackend + Send + 'a>>>> {
+) -> Option<Box<dyn FnOnce() -> Result<Box<dyn VersionBackend + Send + Sync + 'a>>>> {
     if !path.exists() {
         return None;
     }

From 217079cdf790d4b388b61e8090959b2dc1bca7f5 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 14:29:41 +1100
Subject: [PATCH 14/50] feat: async update

---
 libraries/droplet/Cargo.lock               | 62 ++++++++++++++-
 libraries/droplet/Cargo.toml               |  5 +-
 libraries/droplet/src/versions/backends.rs | 92 +++++++++-------------
 libraries/droplet/src/versions/types.rs    | 62 +++++++--------
 4 files changed, 131 insertions(+), 90 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index a88d8f7e..17f4ffc1 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -75,6 +75,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -87,6 +98,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "bytes"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
+
 [[package]]
 name = "cc"
 version = "1.2.17"
@@ -158,9 +175,10 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "anyhow",
+ "async-trait",
  "dyn-clone",
  "hex",
  "rcgen",
@@ -225,6 +243,17 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "mio"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69d83b0086dc8ecf3ce9ae2874b2d1290252e2a30720bea58a5c6639b0092873"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -352,7 +381,7 @@ dependencies = [
  "getrandom",
  "libc",
  "untrusted",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -396,6 +425,15 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a4719bff48cee6b39d12c020eeb490953ad2443b7055bd0b21fca26bd8c28b"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.100"
@@ -495,7 +533,12 @@ version = "1.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
 dependencies = [
+ "bytes",
+ "libc",
+ "mio",
  "pin-project-lite",
+ "signal-hook-registry",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -526,6 +569,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -535,6 +584,15 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 0ec263d7..12d2d69d 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.8.1"
+version = "0.9.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
@@ -13,8 +13,9 @@ time = "0.3.41"
 webpki = "0.22.4"
 ring = "0.17.14"
 dyn-clone = "1.0.20"
-tokio = "1.48.0"
+tokio = { version = "^1.48.0", features = ["process", "fs", "io-util"] }
 anyhow = "1.0.100"
+async-trait = "0.1.89"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index 96fd6ad8..c42eb80a 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -1,21 +1,26 @@
 #[cfg(unix)]
 use std::os::unix::fs::PermissionsExt;
 use std::{
-    cell::LazyCell,
-    fs::{self, metadata, File},
-    io::{self, BufRead, BufReader, Read, Seek, SeekFrom, Sink},
+    fs::{metadata, read_dir},
+    io::SeekFrom,
     path::{Path, PathBuf},
-    process::{Child, ChildStdout, Command, Stdio},
-    sync::{Arc, LazyLock},
+    process::Stdio,
+    sync::LazyLock,
 };
 
 use anyhow::{anyhow, Result};
+use async_trait::async_trait;
+use tokio::{
+    fs::File,
+    io::{AsyncReadExt as _, AsyncSeekExt as _, BufReader},
+    process::Command,
+};
 
 use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
 
 pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
     if metadata(path)?.is_dir() {
-        let paths = fs::read_dir(path)?;
+        let paths = read_dir(path)?;
         for path_result in paths {
             let full_path = path_result?.path();
             if metadata(&full_path)?.is_dir() {
@@ -33,8 +38,10 @@ pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
 pub struct PathVersionBackend {
     pub base_dir: PathBuf,
 }
+
+#[async_trait]
 impl VersionBackend for PathVersionBackend {
-    fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
+    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
         let mut vec = Vec::new();
         _list_files(&mut vec, &self.base_dir)?;
 
@@ -49,23 +56,24 @@ impl VersionBackend for PathVersionBackend {
                         .to_str()
                         .ok_or(anyhow!("Could not parse path"))?
                         .to_owned(),
-                )?,
+                )
+                .await?,
             );
         }
 
         Ok(results)
     }
 
-    fn reader(
+    async fn reader(
         &mut self,
         file: &VersionFile,
         start: u64,
         end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject + 'static>> {
-        let mut file = File::open(self.base_dir.join(file.relative_filename.clone()))?;
+    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>> {
+        let mut file = File::open(self.base_dir.join(file.relative_filename.clone())).await?;
 
         if start != 0 {
-            file.seek(SeekFrom::Start(start))?;
+            file.seek(SeekFrom::Start(start)).await?;
         }
 
         if end != 0 {
@@ -75,14 +83,14 @@ impl VersionBackend for PathVersionBackend {
         Ok(Box::new(file))
     }
 
-    fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
+    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
         let pathbuf = self.base_dir.join(sub_path.clone());
         if !pathbuf.exists() {
             return Err(anyhow!("Path doesn't exist."));
         };
 
-        let file = File::open(pathbuf.clone())?;
-        let metadata = file.try_clone()?.metadata()?;
+        let file = File::open(pathbuf.clone()).await?;
+        let metadata = file.try_clone().await?.metadata().await?;
         let permission_object = metadata.permissions();
         let permissions = {
             let perm: u32;
@@ -110,7 +118,7 @@ impl VersionBackend for PathVersionBackend {
 }
 
 pub static SEVEN_ZIP_INSTALLED: LazyLock<bool> =
-    LazyLock::new(|| Command::new("7z").output().is_ok());
+    LazyLock::new(|| std::process::Command::new("7z").output().is_ok());
 // https://7-zip.opensource.jp/chm/general/formats.htm
 // Intentionally repeated some because it's a trivial cost and it's easier to directly copy from the docs above
 pub const SUPPORTED_FILE_EXTENSIONS: [&str; 89] = [
@@ -136,43 +144,12 @@ impl ZipVersionBackend {
     }
 }
 
-pub struct ZipFileWrapper {
-    command: Child,
-    reader: BufReader<ChildStdout>,
-}
-
-impl ZipFileWrapper {
-    pub fn new(mut command: Child) -> Self {
-        let stdout = command
-            .stdout
-            .take()
-            .expect("failed to access stdout of 7z");
-        let reader = BufReader::new(stdout);
-        ZipFileWrapper { command, reader }
-    }
-}
-
-/**
- * This read implemention is a result of debugging hell
- * It should probably be replaced with a .take() call.
- */
-impl Read for ZipFileWrapper {
-    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
-        self.reader.read(buf)
-    }
-}
-
-impl Drop for ZipFileWrapper {
-    fn drop(&mut self) {
-        self.command.wait().expect("failed to wait for 7z exit");
-    }
-}
-
+#[async_trait]
 impl VersionBackend for ZipVersionBackend {
-    fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
+    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
         let mut list_command = Command::new("7z");
         list_command.args(vec!["l", "-ba", &self.path]);
-        let result = list_command.output()?;
+        let result = list_command.output().await?;
         if !result.status.success() {
             return Err(anyhow!(
                 "failed to list files: code {:?}",
@@ -215,7 +192,7 @@ impl VersionBackend for ZipVersionBackend {
         Ok(results)
     }
 
-    fn reader(
+    async fn reader(
         &mut self,
         file: &VersionFile,
         start: u64,
@@ -223,15 +200,20 @@ impl VersionBackend for ZipVersionBackend {
     ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>> {
         let mut read_command = Command::new("7z");
         read_command.args(vec!["e", "-so", &self.path, &file.relative_filename]);
-        let output = read_command
+        let mut output = read_command
             .stdout(Stdio::piped())
             .spawn()
             .expect("failed to spawn 7z");
-        Ok(Box::new(ZipFileWrapper::new(output)))
+        let stdout = output
+            .stdout
+            .take()
+            .ok_or(anyhow!("no stdout on 7zip process"))?;
+        let reader = BufReader::new(stdout);
+        Ok(Box::new(reader))
     }
 
-    fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
-        let files = self.list_files()?;
+    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
+        let files = self.list_files().await?;
         let file = files
             .iter()
             .find(|v| v.relative_filename == sub_path)
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 91c234d5..4fe2503c 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -1,55 +1,55 @@
 use std::{fmt::Debug, io::Read};
 
+use async_trait::async_trait;
 use dyn_clone::DynClone;
 use tokio::io::{self, AsyncRead};
 
 #[derive(Debug, Clone)]
 pub struct VersionFile {
-  pub relative_filename: String,
-  pub permission: u32,
-  pub size: u64,
+    pub relative_filename: String,
+    pub permission: u32,
+    pub size: u64,
 }
 
-pub trait MinimumFileObject: Read + Send {}
-impl<T: Read + Send> MinimumFileObject for T {}
+pub trait MinimumFileObject: AsyncRead + Send {}
+impl<T: AsyncRead + Send> MinimumFileObject for T {}
 
 // Intentionally not a generic, because of types in read_file
 pub struct ReadToAsyncRead<'a> {
-  pub inner: Box<dyn Read + Send + 'a>,
+    pub inner: Box<dyn Read + Send + 'a>,
 }
 
 const ASYNC_READ_BUFFER_SIZE: usize = 8128;
 
 impl<'a> AsyncRead for ReadToAsyncRead<'a> {
-  fn poll_read(
-    mut self: std::pin::Pin<&mut Self>,
-    _cx: &mut std::task::Context<'_>,
-    buf: &mut tokio::io::ReadBuf<'_>,
-  ) -> std::task::Poll<io::Result<()>> {
-    let mut read_buf = [0u8; ASYNC_READ_BUFFER_SIZE];
-    let read_size = ASYNC_READ_BUFFER_SIZE.min(buf.remaining());
-    match self.inner.read(&mut read_buf[0..read_size]) {
-      Ok(read) => {
-        buf.put_slice(&read_buf[0..read]);
-        std::task::Poll::Ready(Ok(()))
-      }
-      Err(err) => {
-        std::task::Poll::Ready(Err(err))
-      },
+    fn poll_read(
+        mut self: std::pin::Pin<&mut Self>,
+        _cx: &mut std::task::Context<'_>,
+        buf: &mut tokio::io::ReadBuf<'_>,
+    ) -> std::task::Poll<io::Result<()>> {
+        let mut read_buf = [0u8; ASYNC_READ_BUFFER_SIZE];
+        let read_size = ASYNC_READ_BUFFER_SIZE.min(buf.remaining());
+        match self.inner.read(&mut read_buf[0..read_size]) {
+            Ok(read) => {
+                buf.put_slice(&read_buf[0..read]);
+                std::task::Poll::Ready(Ok(()))
+            }
+            Err(err) => std::task::Poll::Ready(Err(err)),
+        }
     }
-  }
 }
 
+#[async_trait]
 pub trait VersionBackend: DynClone {
-  fn require_whole_files(&self) -> bool;
-  fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>>;
-  fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile>;
-  fn reader(
-    &mut self,
-    file: &VersionFile,
-    start: u64,
-    end: u64,
-  ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>>;
+    fn require_whole_files(&self) -> bool;
+    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>>;
+    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile>;
+    async fn reader(
+        &mut self,
+        file: &VersionFile,
+        start: u64,
+        end: u64,
+    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>>;
 }
 
 dyn_clone::clone_trait_object!(VersionBackend);

From acdf2ba0f73dd0ce0dcda8491ca29dba0a3884cc Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 14:33:32 +1100
Subject: [PATCH 15/50] fix: add unpin type

---
 libraries/droplet/Cargo.lock            |  2 +-
 libraries/droplet/Cargo.toml            |  2 +-
 libraries/droplet/src/versions/types.rs | 28 ++-----------------------
 3 files changed, 4 insertions(+), 28 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 17f4ffc1..2db3ae35 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -175,7 +175,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.9.0"
+version = "0.9.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 12d2d69d..63d2eb0f 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.9.0"
+version = "0.9.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 4fe2503c..69a69f51 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -11,33 +11,9 @@ pub struct VersionFile {
     pub size: u64,
 }
 
-pub trait MinimumFileObject: AsyncRead + Send {}
-impl<T: AsyncRead + Send> MinimumFileObject for T {}
+pub trait MinimumFileObject: AsyncRead + Send + Unpin {}
+impl<T: AsyncRead + Send + Unpin> MinimumFileObject for T {}
 
-// Intentionally not a generic, because of types in read_file
-pub struct ReadToAsyncRead<'a> {
-    pub inner: Box<dyn Read + Send + 'a>,
-}
-
-const ASYNC_READ_BUFFER_SIZE: usize = 8128;
-
-impl<'a> AsyncRead for ReadToAsyncRead<'a> {
-    fn poll_read(
-        mut self: std::pin::Pin<&mut Self>,
-        _cx: &mut std::task::Context<'_>,
-        buf: &mut tokio::io::ReadBuf<'_>,
-    ) -> std::task::Poll<io::Result<()>> {
-        let mut read_buf = [0u8; ASYNC_READ_BUFFER_SIZE];
-        let read_size = ASYNC_READ_BUFFER_SIZE.min(buf.remaining());
-        match self.inner.read(&mut read_buf[0..read_size]) {
-            Ok(read) => {
-                buf.put_slice(&read_buf[0..read]);
-                std::task::Poll::Ready(Ok(()))
-            }
-            Err(err) => std::task::Poll::Ready(Err(err)),
-        }
-    }
-}
 
 #[async_trait]
 pub trait VersionBackend: DynClone {

From 4dfb02b0e7b83dee2fd500633aad6bd6df344a03 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 1 Dec 2025 14:35:16 +1100
Subject: [PATCH 16/50] fix: remove lifetimes

---
 libraries/droplet/Cargo.lock               | 2 +-
 libraries/droplet/Cargo.toml               | 2 +-
 libraries/droplet/src/versions/backends.rs | 4 ++--
 libraries/droplet/src/versions/types.rs    | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 2db3ae35..d0f55ea4 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -175,7 +175,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.9.1"
+version = "0.9.2"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 63d2eb0f..07e1dadc 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.9.1"
+version = "0.9.2"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index c42eb80a..cf1e408d 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -69,7 +69,7 @@ impl VersionBackend for PathVersionBackend {
         file: &VersionFile,
         start: u64,
         end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>> {
+    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
         let mut file = File::open(self.base_dir.join(file.relative_filename.clone())).await?;
 
         if start != 0 {
@@ -197,7 +197,7 @@ impl VersionBackend for ZipVersionBackend {
         file: &VersionFile,
         start: u64,
         end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>> {
+    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
         let mut read_command = Command::new("7z");
         read_command.args(vec!["e", "-so", &self.path, &file.relative_filename]);
         let mut output = read_command
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 69a69f51..1f824e44 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -25,7 +25,7 @@ pub trait VersionBackend: DynClone {
         file: &VersionFile,
         start: u64,
         end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject + '_>>;
+    ) -> anyhow::Result<Box<dyn MinimumFileObject>>;
 }
 
 dyn_clone::clone_trait_object!(VersionBackend);

From a3ee266f9d5e72daa2e45a82227a1192d55f9730 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 13 Dec 2025 15:27:03 +1100
Subject: [PATCH 17/50] feat: manifest generator

---
 libraries/droplet/Cargo.lock      | 249 +++++++++++++++++++++++++++++-
 libraries/droplet/Cargo.toml      |   5 +
 libraries/droplet/src/lib.rs      |   1 +
 libraries/droplet/src/manifest.rs | 193 +++++++++++++++++++++++
 4 files changed, 442 insertions(+), 6 deletions(-)
 create mode 100644 libraries/droplet/src/manifest.rs

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index d0f55ea4..2845c587 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -98,6 +98,21 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
+
 [[package]]
 name = "bytes"
 version = "1.11.0"
@@ -119,6 +134,25 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "data-encoding"
 version = "2.8.0"
@@ -162,6 +196,16 @@ dependencies = [
  "powerfmt",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -181,11 +225,16 @@ dependencies = [
  "async-trait",
  "dyn-clone",
  "hex",
+ "humansize",
  "rcgen",
  "ring",
+ "serde",
+ "serde_json",
+ "sha2",
  "time",
  "time-macros",
  "tokio",
+ "uuid",
  "webpki",
  "x509-parser 0.17.0",
 ]
@@ -196,6 +245,16 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -207,18 +266,49 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+]
+
 [[package]]
 name = "hex"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "humansize"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cb51c9a029ddc91b07a787f1d86b53ccfa49b0e86688c946ebe8d3555685dd7"
+dependencies = [
+ "libm",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
+[[package]]
+name = "js-sys"
+version = "0.3.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "464a3709c7f55f1f721e5389aa6ea4e3bc6aba669353300af094b29ffbdde1d8"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -231,6 +321,12 @@ version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
+[[package]]
+name = "libm"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -316,6 +412,12 @@ dependencies = [
  "asn1-rs 0.7.1",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+
 [[package]]
 name = "pem"
 version = "3.0.5"
@@ -356,6 +458,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "rcgen"
 version = "0.13.2"
@@ -378,7 +486,7 @@ checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
 dependencies = [
  "cc",
  "cfg-if",
- "getrandom",
+ "getrandom 0.2.15",
  "libc",
  "untrusted",
  "windows-sys 0.52.0",
@@ -400,25 +508,71 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "917ce264624a4b4db1c364dcc35bfca9ded014d0a958cd47ad3e960e988ea51c"
 
 [[package]]
-name = "serde"
-version = "1.0.219"
+name = "rustversion"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
+
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
+[[package]]
+name = "serde"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.145"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+ "serde_core",
+]
+
+[[package]]
+name = "sha2"
+version = "0.10.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -541,6 +695,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
@@ -553,12 +713,83 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "uuid"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e054861b4bd027cd373e18e8d8d8e6548085000e41290d95ce0c373a654b4a"
+dependencies = [
+ "getrandom 0.3.4",
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasip2"
+version = "1.0.1+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+dependencies = [
+ "wit-bindgen",
+]
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
+dependencies = [
+ "bumpalo",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
+dependencies = [
+ "unicode-ident",
+]
+
 [[package]]
 name = "webpki"
 version = "0.22.4"
@@ -657,6 +888,12 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "wit-bindgen"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+
 [[package]]
 name = "x509-parser"
 version = "0.16.0"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 07e1dadc..30442436 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -16,6 +16,11 @@ dyn-clone = "1.0.20"
 tokio = { version = "^1.48.0", features = ["process", "fs", "io-util"] }
 anyhow = "1.0.100"
 async-trait = "0.1.89"
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.145"
+humansize = "2.1.3"
+uuid = { version = "1.19.0", features = ["v4"] }
+sha2 = "0.10.9"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index ec1ad139..99364c0d 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -3,3 +3,4 @@
 pub mod file_utils;
 pub mod ssl;
 pub mod versions;
+pub mod manifest;
\ No newline at end of file
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
new file mode 100644
index 00000000..57d952c1
--- /dev/null
+++ b/libraries/droplet/src/manifest.rs
@@ -0,0 +1,193 @@
+use std::{collections::HashMap, path::Path};
+
+use anyhow::anyhow;
+use hex::ToHex as _;
+use humansize::{BINARY, format_size};
+use serde::Serialize;
+use serde_json::json;
+use sha2::{Digest as _, Sha256};
+use tokio::io::AsyncReadExt as _;
+
+#[derive(Serialize)]
+struct FileEntry {
+    filename: String,
+    start: usize,
+    length: usize,
+    permissions: u32,
+}
+
+#[derive(Serialize)]
+struct ChunkData {
+    files: Vec<FileEntry>,
+    checksum: String,
+}
+
+#[derive(Serialize)]
+struct Manifest {
+  version: String,
+  chunks: HashMap<String, ChunkData>,
+  size: u64,
+}
+
+const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
+const WIGGLE: u64 = 1024 * 1024 * 1;
+
+use crate::versions::{create_backend_constructor, types::VersionFile};
+
+pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
+    dir: &Path,
+    progress_sfn: V,
+    log_sfn: T,
+) -> anyhow::Result<String> {
+    let mut backend =
+        create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;
+
+    let required_single_file = true; //backend.require_whole_files();
+
+    let files = backend.list_files().await?;
+    // Filepath to chunk data
+    let mut chunks: Vec<Vec<(VersionFile, u64, u64)>> = Vec::new();
+    let mut current_chunk: Vec<(VersionFile, u64, u64)> = Vec::new();
+
+    log_sfn(format!("organizing files into chunks...",));
+
+    for version_file in files {
+        // If we need the whole file, and this file would take up a whole chunk, add it to it's own chunk and move on
+        if required_single_file && version_file.size >= CHUNK_SIZE {
+            let size = version_file.size;
+            chunks.push(vec![(version_file, 0, size)]);
+
+            continue;
+        }
+
+        let mut current_size = current_chunk.iter().map(|v| v.2 - v.1).sum::<u64>();
+
+        // If we need the whole file, add this current file and move on, potentially adding and creating new chunk if need be
+        if required_single_file {
+            let size = version_file.size.try_into().unwrap();
+            current_chunk.push((version_file, 0, size));
+
+            current_size += size;
+
+            if current_size >= CHUNK_SIZE {
+                // Pop current and add, then reset
+                let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+                chunks.push(new_chunk);
+            }
+
+            continue;
+        }
+
+        // Otherwise we calculate how much of the file we need, then use that much
+        let remaining_budget = (CHUNK_SIZE + WIGGLE) - current_size;
+        if version_file.size >= remaining_budget {
+            let remaining_budget = CHUNK_SIZE - current_size;
+            current_chunk.push((version_file.clone(), 0, remaining_budget));
+
+            let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+            chunks.push(new_chunk);
+
+            let remaining_size = version_file.size - remaining_budget;
+            let mut running_offset = remaining_budget;
+            // Do everything but the last one
+            while running_offset < remaining_size {
+                let chunk_size = CHUNK_SIZE.min(remaining_size);
+                let chunk = vec![(version_file.clone(), running_offset, chunk_size)];
+                if chunk_size == CHUNK_SIZE {
+                    chunks.push(chunk);
+                } else {
+                    current_chunk = chunk;
+                }
+                running_offset += chunk_size;
+            }
+
+            continue;
+        } else {
+            let size = version_file.size;
+            current_chunk.push((version_file, 0, size));
+            current_size += size;
+        }
+
+        if current_size >= CHUNK_SIZE {
+            // Pop current and add, then reset
+            let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+            chunks.push(new_chunk);
+        }
+    }
+    if current_chunk.len() > 0 {
+        chunks.push(current_chunk);
+    }
+
+    log_sfn(format!(
+        "organized into {} chunks, generating checksums...",
+        chunks.len()
+    ));
+
+    let mut manifest: HashMap<String, ChunkData> = HashMap::new();
+    let mut total_manifest_length = 0;
+
+    let mut read_buf = vec![0; 1024 * 1024 * 64];
+
+    let chunk_len = chunks.len();
+    for (index, chunk) in chunks.into_iter().enumerate() {
+        let uuid = uuid::Uuid::new_v4().to_string();
+        let mut hasher = Sha256::new();
+
+        let mut chunk_data = ChunkData {
+            files: Vec::new(),
+            checksum: String::new(),
+        };
+
+        let mut chunk_length = 0;
+
+        for (file, start, length) in chunk {
+            log_sfn(format!(
+                "reading {} from {} to {}, {}",
+                file.relative_filename,
+                start,
+                start + length,
+                format_size(length, BINARY)
+            ));
+            let mut reader = backend.reader(&file, start, start + length).await?;
+
+            loop {
+                let amount = reader.read(&mut read_buf).await?;
+                if amount == 0 {
+                    break;
+                }
+                hasher.update(&read_buf[0..amount]);
+            }
+
+            chunk_length += length;
+
+            chunk_data.files.push(FileEntry {
+                filename: file.relative_filename,
+                start: start.try_into().unwrap(),
+                length: length.try_into().unwrap(),
+                permissions: file.permission,
+            });
+        }
+
+        log_sfn(format!(
+            "created chunk of size {} ({}/{})",
+            format_size(chunk_length, BINARY),
+            index,
+            chunk_len
+        ));
+        total_manifest_length += chunk_length;
+
+        let hash: String = hasher.finalize().encode_hex();
+        chunk_data.checksum = hash;
+        manifest.insert(uuid, chunk_data);
+
+        let progress: f32 = (index as f32 / chunk_len as f32) * 100.0f32;
+        progress_sfn(progress);
+    }
+
+    Ok(json!(Manifest {
+        version: "2".to_string(),
+        chunks: manifest,
+        size: total_manifest_length
+    })
+    .to_string())
+}

From bef9f8d25dc6e34813af2b79bf5794c0714da284 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 13 Dec 2025 15:28:04 +1100
Subject: [PATCH 18/50] bump version

---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 2845c587..fbd6236a 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.9.2"
+version = "0.10.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 30442436..1c70994f 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.9.2"
+version = "0.10.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 

From 62ff8be3c0fa696b71a3fced0887412a5f5cadbc Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 13 Dec 2025 21:14:59 +1100
Subject: [PATCH 19/50] feat: multithreaded manifest generation

---
 libraries/droplet/Cargo.lock               | 116 ++++++++++++++-
 libraries/droplet/Cargo.toml               |   5 +-
 libraries/droplet/src/lib.rs               |   1 +
 libraries/droplet/src/main.rs              |  19 +++
 libraries/droplet/src/manifest.rs          | 159 +++++++++++++--------
 libraries/droplet/src/versions/backends.rs |   4 +-
 6 files changed, 242 insertions(+), 62 deletions(-)
 create mode 100644 libraries/droplet/src/main.rs

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index fbd6236a..3740dca1 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,11 +219,12 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.10.0"
+version = "0.11.0"
 dependencies = [
  "anyhow",
  "async-trait",
  "dyn-clone",
+ "futures",
  "hex",
  "humansize",
  "rcgen",
@@ -245,6 +246,95 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
 
+[[package]]
+name = "futures"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
+
+[[package]]
+name = "futures-task"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
+
+[[package]]
+name = "futures-util"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -434,6 +524,12 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
 
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -588,6 +684,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2ae44ef20feb57a68b23d846850f861394c2e02dc425a50098ae8c90267589"
+
 [[package]]
 name = "syn"
 version = "2.0.100"
@@ -692,9 +794,21 @@ dependencies = [
  "mio",
  "pin-project-lite",
  "signal-hook-registry",
+ "tokio-macros",
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "typenum"
 version = "1.19.0"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 1c70994f..5447a91d 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.10.0"
+version = "0.11.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
@@ -13,7 +13,7 @@ time = "0.3.41"
 webpki = "0.22.4"
 ring = "0.17.14"
 dyn-clone = "1.0.20"
-tokio = { version = "^1.48.0", features = ["process", "fs", "io-util"] }
+tokio = { version = "^1.48.0", features = ["process", "fs", "io-util", "sync", "macros", "rt-multi-thread"] }
 anyhow = "1.0.100"
 async-trait = "0.1.89"
 serde = { version = "1.0.228", features = ["derive"] }
@@ -21,6 +21,7 @@ serde_json = "1.0.145"
 humansize = "2.1.3"
 uuid = { version = "1.19.0", features = ["v4"] }
 sha2 = "0.10.9"
+futures = "0.3.31"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index 99364c0d..4a873503 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -1,4 +1,5 @@
 #![deny(clippy::all)]
+#![feature(impl_trait_in_bindings)]
 
 pub mod file_utils;
 pub mod ssl;
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
new file mode 100644
index 00000000..724618b9
--- /dev/null
+++ b/libraries/droplet/src/main.rs
@@ -0,0 +1,19 @@
+use std::path::PathBuf;
+
+use droplet_rs::manifest::generate_manifest_rusty;
+use tokio::runtime::{Handle, Runtime};
+
+#[tokio::main]
+pub async fn main() {
+    let metrics = Handle::current().metrics();
+    println!("using {} workers", metrics.num_workers());
+    generate_manifest_rusty(
+        &PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/Savage Resurrection"),
+        |_| {},
+        |message| {
+            println!("{}", message);
+        },
+    )
+    .await
+    .unwrap();
+}
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 57d952c1..ba759d25 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -1,14 +1,23 @@
-use std::{collections::HashMap, path::Path};
+use std::{
+    collections::HashMap,
+    future::Future,
+    path::Path,
+    sync::{
+        atomic::{AtomicU64, Ordering},
+        Arc,
+    },
+};
 
-use anyhow::anyhow;
+use anyhow::{anyhow, Error};
+use futures::{stream::FuturesUnordered, StreamExt};
 use hex::ToHex as _;
-use humansize::{BINARY, format_size};
+use humansize::{format_size, BINARY};
 use serde::Serialize;
 use serde_json::json;
 use sha2::{Digest as _, Sha256};
-use tokio::io::AsyncReadExt as _;
+use tokio::{io::AsyncReadExt as _, join, sync::Mutex};
 
-#[derive(Serialize)]
+#[derive(Serialize, Clone)]
 struct FileEntry {
     filename: String,
     start: usize,
@@ -16,7 +25,7 @@ struct FileEntry {
     permissions: u32,
 }
 
-#[derive(Serialize)]
+#[derive(Serialize, Clone)]
 struct ChunkData {
     files: Vec<FileEntry>,
     checksum: String,
@@ -24,9 +33,9 @@ struct ChunkData {
 
 #[derive(Serialize)]
 struct Manifest {
-  version: String,
-  chunks: HashMap<String, ChunkData>,
-  size: u64,
+    version: String,
+    chunks: HashMap<String, ChunkData>,
+    size: u64,
 }
 
 const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
@@ -42,7 +51,7 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
     let mut backend =
         create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;
 
-    let required_single_file = true; //backend.require_whole_files();
+    let required_single_file = backend.require_whole_files();
 
     let files = backend.list_files().await?;
     // Filepath to chunk data
@@ -123,71 +132,107 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
         chunks.len()
     ));
 
-    let mut manifest: HashMap<String, ChunkData> = HashMap::new();
-    let mut total_manifest_length = 0;
+    let manifest: Arc<Mutex<HashMap<String, ChunkData>>> = Arc::new(Mutex::new(HashMap::new()));
+    let total_manifest_length = Arc::new(AtomicU64::new(0));
 
-    let mut read_buf = vec![0; 1024 * 1024 * 64];
+    let backend = Arc::new(Mutex::new(backend));
 
-    let chunk_len = chunks.len();
+    let futures: FuturesUnordered<impl Future<Output = Result<(), Error>>> =
+        FuturesUnordered::new();
+    let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);
     for (index, chunk) in chunks.into_iter().enumerate() {
-        let uuid = uuid::Uuid::new_v4().to_string();
-        let mut hasher = Sha256::new();
+        let send_log = send_log.clone();
+        let backend = backend.clone();
+        let total_manifest_length = total_manifest_length.clone();
+        let manifest = manifest.clone();
+        futures.push((async move || -> Result<(), Error> {
+            let mut read_buf = vec![0; 1024 * 1024 * 64];
 
-        let mut chunk_data = ChunkData {
-            files: Vec::new(),
-            checksum: String::new(),
-        };
+            let uuid = uuid::Uuid::new_v4().to_string();
+            let mut hasher = Sha256::new();
 
-        let mut chunk_length = 0;
+            let mut chunk_data = ChunkData {
+                files: Vec::new(),
+                checksum: String::new(),
+            };
 
-        for (file, start, length) in chunk {
-            log_sfn(format!(
-                "reading {} from {} to {}, {}",
-                file.relative_filename,
-                start,
-                start + length,
-                format_size(length, BINARY)
-            ));
-            let mut reader = backend.reader(&file, start, start + length).await?;
+            let mut chunk_length = 0;
 
-            loop {
-                let amount = reader.read(&mut read_buf).await?;
-                if amount == 0 {
-                    break;
+            for (file, start, length) in chunk {
+                /*
+                send_log
+                    .send(format!(
+                        "reading {} from {} to {}, {}",
+                        file.relative_filename,
+                        start,
+                        start + length,
+                        format_size(length, BINARY)
+                    ))
+                    .await?;
+                 */
+                let mut reader = {
+                    let mut backend_lock = backend.lock().await;
+                    let reader = backend_lock.reader(&file, start, start + length).await?;
+                    reader
+                };
+
+                loop {
+                    let amount = reader.read(&mut read_buf).await?;
+                    if amount == 0 {
+                        break;
+                    }
+                    hasher.update(&read_buf[0..amount]);
                 }
-                hasher.update(&read_buf[0..amount]);
+
+                chunk_length += length;
+
+                chunk_data.files.push(FileEntry {
+                    filename: file.relative_filename,
+                    start: start.try_into().unwrap(),
+                    length: length.try_into().unwrap(),
+                    permissions: file.permission,
+                });
             }
 
-            chunk_length += length;
+            send_log
+                .send(format!(
+                    "created chunk of size {} (index {})",
+                    format_size(chunk_length, BINARY),
+                    index
+                ))
+                .await?;
 
-            chunk_data.files.push(FileEntry {
-                filename: file.relative_filename,
-                start: start.try_into().unwrap(),
-                length: length.try_into().unwrap(),
-                permissions: file.permission,
-            });
-        }
+            total_manifest_length.fetch_add(chunk_length, Ordering::Relaxed);
 
-        log_sfn(format!(
-            "created chunk of size {} ({}/{})",
-            format_size(chunk_length, BINARY),
-            index,
-            chunk_len
-        ));
-        total_manifest_length += chunk_length;
+            let hash: String = hasher.finalize().encode_hex();
+            chunk_data.checksum = hash;
+            {
+                let mut manifest_lock = manifest.lock().await;
+                manifest_lock.insert(uuid, chunk_data);
+            };
 
-        let hash: String = hasher.finalize().encode_hex();
-        chunk_data.checksum = hash;
-        manifest.insert(uuid, chunk_data);
-
-        let progress: f32 = (index as f32 / chunk_len as f32) * 100.0f32;
-        progress_sfn(progress);
+            Ok(())
+        })());
     }
+    drop(send_log);
+    join!(
+        async move {
+            while let Some(message) = recieve_log.recv().await {
+                log_sfn(message);
+            }
+        },
+        futures.collect::<Vec<Result<(), Error>>>()
+    );
+
+    let manifest = manifest.lock().await;
+    let manifest = manifest.clone();
+    let manifest_size = size_of_val(&manifest);
+    println!("manifest uses {} bytes", manifest_size);
 
     Ok(json!(Manifest {
         version: "2".to_string(),
         chunks: manifest,
-        size: total_manifest_length
+        size: total_manifest_length.fetch_add(0, Ordering::Relaxed)
     })
     .to_string())
 }
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index cf1e408d..fa469db8 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -195,8 +195,8 @@ impl VersionBackend for ZipVersionBackend {
     async fn reader(
         &mut self,
         file: &VersionFile,
-        start: u64,
-        end: u64,
+        _start: u64,
+        _end: u64,
     ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
         let mut read_command = Command::new("7z");
         read_command.args(vec!["e", "-so", &self.path, &file.relative_filename]);

From ed0b7bcf421a40b6ebcaf21d6005ba3bd6b52a5b Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 13 Dec 2025 21:20:57 +1100
Subject: [PATCH 20/50] fix: progress reporting

---
 libraries/droplet/Cargo.lock               | 12 -------
 libraries/droplet/Cargo.toml               |  2 --
 libraries/droplet/src/main.rs              |  6 ++--
 libraries/droplet/src/manifest.rs          | 41 +++++++++-------------
 libraries/droplet/src/versions/backends.rs |  7 ++--
 libraries/droplet/src/versions/mod.rs      |  3 +-
 libraries/droplet/src/versions/types.rs    |  4 +--
 7 files changed, 27 insertions(+), 48 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 3740dca1..bddbc4ac 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -233,10 +233,8 @@ dependencies = [
  "serde_json",
  "sha2",
  "time",
- "time-macros",
  "tokio",
  "uuid",
- "webpki",
  "x509-parser 0.17.0",
 ]
 
@@ -904,16 +902,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "webpki"
-version = "0.22.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed63aea5ce73d0ff405984102c42de94fc55a6b75765d621c65262469b3c9b53"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "windows-link"
 version = "0.2.1"
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 5447a91d..c1d0956c 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -8,9 +8,7 @@ description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performa
 
 [dependencies]
 hex = "0.4.3"
-time-macros = "0.2.22"
 time = "0.3.41"
-webpki = "0.22.4"
 ring = "0.17.14"
 dyn-clone = "1.0.20"
 tokio = { version = "^1.48.0", features = ["process", "fs", "io-util", "sync", "macros", "rt-multi-thread"] }
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index 724618b9..d1ae9efc 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -1,7 +1,7 @@
 use std::path::PathBuf;
 
 use droplet_rs::manifest::generate_manifest_rusty;
-use tokio::runtime::{Handle, Runtime};
+use tokio::runtime::Handle;
 
 #[tokio::main]
 pub async fn main() {
@@ -9,7 +9,9 @@ pub async fn main() {
     println!("using {} workers", metrics.num_workers());
     generate_manifest_rusty(
         &PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/Savage Resurrection"),
-        |_| {},
+        |progress| {
+            println!("PROGRESS: {}", progress)
+        },
         |message| {
             println!("{}", message);
         },
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index ba759d25..44ff235d 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -39,11 +39,11 @@ struct Manifest {
 }
 
 const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
-const WIGGLE: u64 = 1024 * 1024 * 1;
+const WIGGLE: u64 = 1024 * 1024;
 
 use crate::versions::{create_backend_constructor, types::VersionFile};
 
-pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
+pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     dir: &Path,
     progress_sfn: V,
     log_sfn: T,
@@ -58,7 +58,7 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
     let mut chunks: Vec<Vec<(VersionFile, u64, u64)>> = Vec::new();
     let mut current_chunk: Vec<(VersionFile, u64, u64)> = Vec::new();
 
-    log_sfn(format!("organizing files into chunks...",));
+    log_sfn("organizing files into chunks...".to_string());
 
     for version_file in files {
         // If we need the whole file, and this file would take up a whole chunk, add it to it's own chunk and move on
@@ -73,14 +73,14 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
 
         // If we need the whole file, add this current file and move on, potentially adding and creating new chunk if need be
         if required_single_file {
-            let size = version_file.size.try_into().unwrap();
+            let size = version_file.size;
             current_chunk.push((version_file, 0, size));
 
             current_size += size;
 
             if current_size >= CHUNK_SIZE {
                 // Pop current and add, then reset
-                let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+                let new_chunk = std::mem::take(&mut current_chunk);
                 chunks.push(new_chunk);
             }
 
@@ -93,7 +93,7 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
             let remaining_budget = CHUNK_SIZE - current_size;
             current_chunk.push((version_file.clone(), 0, remaining_budget));
 
-            let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+            let new_chunk = std::mem::take(&mut current_chunk);
             chunks.push(new_chunk);
 
             let remaining_size = version_file.size - remaining_budget;
@@ -119,11 +119,11 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
 
         if current_size >= CHUNK_SIZE {
             // Pop current and add, then reset
-            let new_chunk = std::mem::replace(&mut current_chunk, Vec::new());
+            let new_chunk = std::mem::take(&mut current_chunk);
             chunks.push(new_chunk);
         }
     }
-    if current_chunk.len() > 0 {
+    if !current_chunk.is_empty() {
         chunks.push(current_chunk);
     }
 
@@ -140,12 +140,13 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
     let futures: FuturesUnordered<impl Future<Output = Result<(), Error>>> =
         FuturesUnordered::new();
     let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);
+    let chunks_length = chunks.len();
     for (index, chunk) in chunks.into_iter().enumerate() {
         let send_log = send_log.clone();
         let backend = backend.clone();
         let total_manifest_length = total_manifest_length.clone();
         let manifest = manifest.clone();
-        futures.push((async move || -> Result<(), Error> {
+        futures.push(async move {
             let mut read_buf = vec![0; 1024 * 1024 * 64];
 
             let uuid = uuid::Uuid::new_v4().to_string();
@@ -159,17 +160,6 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
             let mut chunk_length = 0;
 
             for (file, start, length) in chunk {
-                /*
-                send_log
-                    .send(format!(
-                        "reading {} from {} to {}, {}",
-                        file.relative_filename,
-                        start,
-                        start + length,
-                        format_size(length, BINARY)
-                    ))
-                    .await?;
-                 */
                 let mut reader = {
                     let mut backend_lock = backend.lock().await;
                     let reader = backend_lock.reader(&file, start, start + length).await?;
@@ -196,8 +186,9 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
 
             send_log
                 .send(format!(
-                    "created chunk of size {} (index {})",
+                    "created chunk of size {} from {} files (index {})",
                     format_size(chunk_length, BINARY),
+                    chunk_data.files.len(),
                     index
                 ))
                 .await?;
@@ -212,13 +203,17 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
             };
 
             Ok(())
-        })());
+        });
     }
     drop(send_log);
     join!(
         async move {
+            let mut current_progress = 0f32;
+            let total_progress = chunks_length as f32;
             while let Some(message) = recieve_log.recv().await {
                 log_sfn(message);
+                current_progress += 1.0f32;
+                progress_sfn((current_progress / total_progress) * 100.0f32)
             }
         },
         futures.collect::<Vec<Result<(), Error>>>()
@@ -226,8 +221,6 @@ pub async fn generate_manifest_rusty<T: Fn(String) -> (), V: Fn(f32) -> ()>(
 
     let manifest = manifest.lock().await;
     let manifest = manifest.clone();
-    let manifest_size = size_of_val(&manifest);
-    println!("manifest uses {} bytes", manifest_size);
 
     Ok(json!(Manifest {
         version: "2".to_string(),
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index fa469db8..1eb1b825 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -159,8 +159,8 @@ impl VersionBackend for ZipVersionBackend {
         let raw_result = String::from_utf8(result.stdout)?;
         let files = raw_result
             .split("\n")
-            .filter(|v| v.len() > 0)
-            .map(|v| v.split(" ").filter(|v| v.len() > 0));
+            .filter(|v| !v.is_empty())
+            .map(|v| v.split(" ").filter(|v| !v.is_empty()));
         let mut results = Vec::new();
 
         for file in files {
@@ -179,8 +179,7 @@ impl VersionBackend for ZipVersionBackend {
             }
             results.push(VersionFile {
                 relative_filename: name
-                    .into_iter()
-                    .map(|v| *v)
+                    .into_iter().copied()
                     .fold(String::new(), |a, b| a + b + " ")
                     .trim_end()
                     .to_owned(),
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index 19e001a9..4127d9d2 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -41,8 +41,7 @@ pub fn create_backend_constructor<'a>(
         if let Some(extension) = path.extension().and_then(|v| v.to_str()) {
             let supported = SUPPORTED_FILE_EXTENSIONS
                 .iter()
-                .find(|v| ***v == *extension)
-                .is_some();
+                .any(|v| **v == *extension);
             if supported {
                 let buf = path.to_path_buf();
                 return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 1f824e44..5a7cfd95 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -1,8 +1,8 @@
-use std::{fmt::Debug, io::Read};
+use std::fmt::Debug;
 
 use async_trait::async_trait;
 use dyn_clone::DynClone;
-use tokio::io::{self, AsyncRead};
+use tokio::io::AsyncRead;
 
 #[derive(Debug, Clone)]
 pub struct VersionFile {

From e37e3f620b605b0ee9a922dfd77f2401611faf5b Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 13 Dec 2025 21:28:20 +1100
Subject: [PATCH 21/50] feat: provide rusty manifest

---
 libraries/droplet/Cargo.lock      |  2 +-
 libraries/droplet/Cargo.toml      |  2 +-
 libraries/droplet/src/manifest.rs | 11 +++++------
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index bddbc4ac..99753d69 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.11.0"
+version = "0.11.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index c1d0956c..f2141354 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.11.0"
+version = "0.11.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 44ff235d..47e515c4 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -18,7 +18,7 @@ use sha2::{Digest as _, Sha256};
 use tokio::{io::AsyncReadExt as _, join, sync::Mutex};
 
 #[derive(Serialize, Clone)]
-struct FileEntry {
+pub struct FileEntry {
     filename: String,
     start: usize,
     length: usize,
@@ -26,13 +26,13 @@ struct FileEntry {
 }
 
 #[derive(Serialize, Clone)]
-struct ChunkData {
+pub struct ChunkData {
     files: Vec<FileEntry>,
     checksum: String,
 }
 
 #[derive(Serialize)]
-struct Manifest {
+pub struct Manifest {
     version: String,
     chunks: HashMap<String, ChunkData>,
     size: u64,
@@ -47,7 +47,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     dir: &Path,
     progress_sfn: V,
     log_sfn: T,
-) -> anyhow::Result<String> {
+) -> anyhow::Result<Manifest> {
     let mut backend =
         create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;
 
@@ -222,10 +222,9 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let manifest = manifest.lock().await;
     let manifest = manifest.clone();
 
-    Ok(json!(Manifest {
+    Ok(Manifest {
         version: "2".to_string(),
         chunks: manifest,
         size: total_manifest_length.fetch_add(0, Ordering::Relaxed)
     })
-    .to_string())
 }

From d7f9faf602a5cae66acb9a39114a55199532c15d Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Thu, 18 Dec 2025 17:36:47 +1100
Subject: [PATCH 22/50] feat: new 7z output parser

---
 libraries/droplet/Cargo.lock               |  2 +-
 libraries/droplet/Cargo.toml               |  4 +-
 libraries/droplet/src/lib.rs               |  5 +-
 libraries/droplet/src/manifest.rs          |  2 +
 libraries/droplet/src/tests.rs             | 11 ++++
 libraries/droplet/src/versions/backends.rs | 62 ++++++++++++----------
 libraries/droplet/test.txt                 |  1 +
 7 files changed, 54 insertions(+), 33 deletions(-)
 create mode 100644 libraries/droplet/src/tests.rs
 create mode 100644 libraries/droplet/test.txt

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 99753d69..a5da8f87 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.11.1"
+version = "0.11.2"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index f2141354..76f06cc4 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.11.1"
+version = "0.11.2"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
@@ -11,7 +11,7 @@ hex = "0.4.3"
 time = "0.3.41"
 ring = "0.17.14"
 dyn-clone = "1.0.20"
-tokio = { version = "^1.48.0", features = ["process", "fs", "io-util", "sync", "macros", "rt-multi-thread"] }
+tokio = { version = "^1.48.0", features = ["process", "fs", "io-util", "rt", "rt-multi-thread", "macros", "sync"] }
 anyhow = "1.0.100"
 async-trait = "0.1.89"
 serde = { version = "1.0.228", features = ["derive"] }
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index 4a873503..6781cc7a 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -4,4 +4,7 @@
 pub mod file_utils;
 pub mod ssl;
 pub mod versions;
-pub mod manifest;
\ No newline at end of file
+pub mod manifest;
+
+#[cfg(test)]
+pub mod tests;
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 47e515c4..7b0b015a 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -29,6 +29,7 @@ pub struct FileEntry {
 pub struct ChunkData {
     files: Vec<FileEntry>,
     checksum: String,
+    //iv: [u8; 16]
 }
 
 #[derive(Serialize)]
@@ -155,6 +156,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
             let mut chunk_data = ChunkData {
                 files: Vec::new(),
                 checksum: String::new(),
+                //iv: 
             };
 
             let mut chunk_length = 0;
diff --git a/libraries/droplet/src/tests.rs b/libraries/droplet/src/tests.rs
new file mode 100644
index 00000000..99edf35b
--- /dev/null
+++ b/libraries/droplet/src/tests.rs
@@ -0,0 +1,11 @@
+use std::path::PathBuf;
+
+use crate::versions::create_backend_constructor;
+
+#[tokio::test]
+pub async fn test_7z_list() {
+    let zip_path = "/home/decduck/Dev/droplet/assets/TheGame.zip";
+    let mut backend = create_backend_constructor(&PathBuf::from(zip_path)).unwrap()().unwrap();
+    let files = backend.list_files().await.unwrap();
+    tokio::fs::write("./test.txt", format!("{:?}", files)).await.unwrap();
+}
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index 1eb1b825..6ca9c23c 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -15,6 +15,7 @@ use tokio::{
     io::{AsyncReadExt as _, AsyncSeekExt as _, BufReader},
     process::Command,
 };
+use x509_parser::nom::InputIter;
 
 use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
 
@@ -148,7 +149,7 @@ impl ZipVersionBackend {
 impl VersionBackend for ZipVersionBackend {
     async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
         let mut list_command = Command::new("7z");
-        list_command.args(vec!["l", "-ba", &self.path]);
+        list_command.args(vec!["l", &self.path]);
         let result = list_command.output().await?;
         if !result.status.success() {
             return Err(anyhow!(
@@ -157,35 +158,38 @@ impl VersionBackend for ZipVersionBackend {
             ));
         }
         let raw_result = String::from_utf8(result.stdout)?;
-        let files = raw_result
-            .split("\n")
-            .filter(|v| !v.is_empty())
-            .map(|v| v.split(" ").filter(|v| !v.is_empty()));
-        let mut results = Vec::new();
+        let mut lines = raw_result.split("\n").skip(11);
 
-        for file in files {
-            let values = file.collect::<Vec<&str>>();
-            let mut iter = values.iter();
-            let (date, time, attrs, size, compress, name) = (
-                iter.next().expect("failed to read date"),
-                iter.next().expect("failed to read time"),
-                iter.next().expect("failed to read attrs"),
-                iter.next().expect("failed to read size"),
-                iter.next().expect("failed to read compress"),
-                iter.collect::<Vec<&&str>>(),
-            );
-            if attrs.starts_with("D") {
-                continue;
-            }
-            results.push(VersionFile {
-                relative_filename: name
-                    .into_iter().copied()
-                    .fold(String::new(), |a, b| a + b + " ")
-                    .trim_end()
-                    .to_owned(),
-                permission: 0o744, // owner r/w/x, everyone else, read
-                size: size.parse().unwrap(),
-            });
+        let mut column_lines = lines
+            .find(|v| v.starts_with('-'))
+            .ok_or(anyhow!("invalid 7z output"))?
+            .chars();
+        let file_lines = lines.take_while(|v| !v.starts_with("-"));
+
+        /*
+           Date      Time    Attr         Size   Compressed  Name
+        ------------------- ----- ------------ ------------  ------------------------
+                 */
+        let datetime_pos = 0usize;
+        let attrs_pos = datetime_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
+        let size_pos = attrs_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
+        let compressed_size_pos = size_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
+        let name_pos = compressed_size_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
+
+        let mut results = Vec::new();
+        for file in file_lines {
+            let name = file[name_pos..].trim();
+            let size = file[size_pos..compressed_size_pos].trim();
+
+            let size = str::parse::<u64>(size)?;
+
+            let version_file = VersionFile {
+                relative_filename: name.to_string(),
+                permission: 0o744,
+                size: size,
+            };
+
+            results.push(version_file);
         }
 
         Ok(results)
diff --git a/libraries/droplet/test.txt b/libraries/droplet/test.txt
new file mode 100644
index 00000000..f250dadf
--- /dev/null
+++ b/libraries/droplet/test.txt
@@ -0,0 +1 @@
+[VersionFile { relative_filename: "setup.exe", permission: 484, size: 1024000000 }, VersionFile { relative_filename: "test file.txt", permission: 484, size: 12 }]
\ No newline at end of file

From 5c6597eb6b72acbe21067254484655270b77f7d9 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Thu, 18 Dec 2025 19:04:56 +1100
Subject: [PATCH 23/50] feat: iv and key creation

---
 libraries/droplet/Cargo.lock      |  3 ++-
 libraries/droplet/Cargo.toml      |  3 ++-
 libraries/droplet/src/main.rs     |  4 +++-
 libraries/droplet/src/manifest.rs | 13 ++++++++++---
 4 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index a5da8f87..beef5a7c 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,12 +219,13 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.11.2"
+version = "0.12.0"
 dependencies = [
  "anyhow",
  "async-trait",
  "dyn-clone",
  "futures",
+ "getrandom 0.3.4",
  "hex",
  "humansize",
  "rcgen",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 76f06cc4..c4cb1908 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.11.2"
+version = "0.12.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
@@ -20,6 +20,7 @@ humansize = "2.1.3"
 uuid = { version = "1.19.0", features = ["v4"] }
 sha2 = "0.10.9"
 futures = "0.3.31"
+getrandom = "0.3.4"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index d1ae9efc..d098a419 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -1,13 +1,14 @@
 use std::path::PathBuf;
 
 use droplet_rs::manifest::generate_manifest_rusty;
+use serde_json::json;
 use tokio::runtime::Handle;
 
 #[tokio::main]
 pub async fn main() {
     let metrics = Handle::current().metrics();
     println!("using {} workers", metrics.num_workers());
-    generate_manifest_rusty(
+    let manifest = generate_manifest_rusty(
         &PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/Savage Resurrection"),
         |progress| {
             println!("PROGRESS: {}", progress)
@@ -18,4 +19,5 @@ pub async fn main() {
     )
     .await
     .unwrap();
+    tokio::fs::write("./manifst.json", json!(manifest).to_string()).await.expect("failed to write manifest");
 }
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 7b0b015a..f67fd8eb 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -29,7 +29,7 @@ pub struct FileEntry {
 pub struct ChunkData {
     files: Vec<FileEntry>,
     checksum: String,
-    //iv: [u8; 16]
+    iv: [u8; 16],
 }
 
 #[derive(Serialize)]
@@ -37,6 +37,7 @@ pub struct Manifest {
     version: String,
     chunks: HashMap<String, ChunkData>,
     size: u64,
+    key: [u8; 16],
 }
 
 const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
@@ -153,10 +154,12 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
             let uuid = uuid::Uuid::new_v4().to_string();
             let mut hasher = Sha256::new();
 
+            let mut iv = [0u8; 16];
+            getrandom::fill(&mut iv).map_err(|err| anyhow!("failed to generate IV: {:?}", err))?;
             let mut chunk_data = ChunkData {
                 files: Vec::new(),
                 checksum: String::new(),
-                //iv: 
+                iv,
             };
 
             let mut chunk_length = 0;
@@ -224,9 +227,13 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let manifest = manifest.lock().await;
     let manifest = manifest.clone();
 
+    let mut key = [0u8; 16];
+    getrandom::fill(&mut key).map_err(|err| anyhow!("failed to generate key: {:?}", err))?;
+
     Ok(Manifest {
         version: "2".to_string(),
         chunks: manifest,
-        size: total_manifest_length.fetch_add(0, Ordering::Relaxed)
+        size: total_manifest_length.fetch_add(0, Ordering::Relaxed),
+        key,
     })
 }

From 8f24d4ea7510ca1e84b5cb5add39d42335fba04a Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Thu, 18 Dec 2025 19:39:03 +1100
Subject: [PATCH 24/50] fix: add deserialize traits for manifest

---
 libraries/droplet/Cargo.lock      | 2 +-
 libraries/droplet/Cargo.toml      | 2 +-
 libraries/droplet/src/manifest.rs | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index beef5a7c..833d6fd3 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index c4cb1908..1225bafe 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.12.0"
+version = "0.12.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index f67fd8eb..a0efb6c7 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -12,12 +12,12 @@ use anyhow::{anyhow, Error};
 use futures::{stream::FuturesUnordered, StreamExt};
 use hex::ToHex as _;
 use humansize::{format_size, BINARY};
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 use serde_json::json;
 use sha2::{Digest as _, Sha256};
 use tokio::{io::AsyncReadExt as _, join, sync::Mutex};
 
-#[derive(Serialize, Clone)]
+#[derive(Serialize, Deserialize, Clone)]
 pub struct FileEntry {
     filename: String,
     start: usize,
@@ -25,14 +25,14 @@ pub struct FileEntry {
     permissions: u32,
 }
 
-#[derive(Serialize, Clone)]
+#[derive(Serialize, Deserialize, Clone)]
 pub struct ChunkData {
     files: Vec<FileEntry>,
     checksum: String,
     iv: [u8; 16],
 }
 
-#[derive(Serialize)]
+#[derive(Serialize, Deserialize)]
 pub struct Manifest {
     version: String,
     chunks: HashMap<String, ChunkData>,

From dac75556d33284967e7b32a88353e878c80ceecc Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Thu, 18 Dec 2025 19:49:37 +1100
Subject: [PATCH 25/50] fix: make manifest public

---
 libraries/droplet/Cargo.lock      |  2 +-
 libraries/droplet/Cargo.toml      |  2 +-
 libraries/droplet/src/manifest.rs | 22 +++++++++++-----------
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 833d6fd3..8dbc9ad5 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.12.1"
+version = "0.12.2"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 1225bafe..8627526a 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.12.1"
+version = "0.12.2"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index a0efb6c7..4ee35e0c 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -19,25 +19,25 @@ use tokio::{io::AsyncReadExt as _, join, sync::Mutex};
 
 #[derive(Serialize, Deserialize, Clone)]
 pub struct FileEntry {
-    filename: String,
-    start: usize,
-    length: usize,
-    permissions: u32,
+    pub filename: String,
+    pub start: usize,
+    pub length: usize,
+    pub permissions: u32,
 }
 
 #[derive(Serialize, Deserialize, Clone)]
 pub struct ChunkData {
-    files: Vec<FileEntry>,
-    checksum: String,
-    iv: [u8; 16],
+    pub files: Vec<FileEntry>,
+    pub checksum: String,
+    pub iv: [u8; 16],
 }
 
 #[derive(Serialize, Deserialize)]
 pub struct Manifest {
-    version: String,
-    chunks: HashMap<String, ChunkData>,
-    size: u64,
-    key: [u8; 16],
+    pub version: String,
+    pub chunks: HashMap<String, ChunkData>,
+    pub size: u64,
+    pub key: [u8; 16],
 }
 
 const CHUNK_SIZE: u64 = 1024 * 1024 * 64;

From 56e6ecee26760ffce09633dd5a668118ef4711e7 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Fri, 19 Dec 2025 14:36:40 +1100
Subject: [PATCH 26/50] feat: clearer error messages

---
 libraries/droplet/Cargo.lock               | 2 +-
 libraries/droplet/Cargo.toml               | 2 +-
 libraries/droplet/src/versions/backends.rs | 5 ++---
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 8dbc9ad5..61bf6bab 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.12.2"
+version = "0.12.3"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 8627526a..55503bbe 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.12.2"
+version = "0.12.3"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index 6ca9c23c..3bef9dcd 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -15,7 +15,6 @@ use tokio::{
     io::{AsyncReadExt as _, AsyncSeekExt as _, BufReader},
     process::Command,
 };
-use x509_parser::nom::InputIter;
 
 use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
 
@@ -55,7 +54,7 @@ impl VersionBackend for PathVersionBackend {
                 self.peek_file(
                     relative
                         .to_str()
-                        .ok_or(anyhow!("Could not parse path"))?
+                        .ok_or(anyhow!("Could not parse path: {}", relative.to_string_lossy()))?
                         .to_owned(),
                 )
                 .await?,
@@ -87,7 +86,7 @@ impl VersionBackend for PathVersionBackend {
     async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
         let pathbuf = self.base_dir.join(sub_path.clone());
         if !pathbuf.exists() {
-            return Err(anyhow!("Path doesn't exist."));
+            return Err(anyhow!("Path doesn't exist: {}", pathbuf.to_string_lossy()));
         };
 
         let file = File::open(pathbuf.clone()).await?;

From 44efcbb633b7f269436d49d5531905ea607cbcbe Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Fri, 19 Dec 2025 14:50:45 +1100
Subject: [PATCH 27/50] fix: remove test.txt

---
 libraries/droplet/test.txt | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 libraries/droplet/test.txt

diff --git a/libraries/droplet/test.txt b/libraries/droplet/test.txt
deleted file mode 100644
index f250dadf..00000000
--- a/libraries/droplet/test.txt
+++ /dev/null
@@ -1 +0,0 @@
-[VersionFile { relative_filename: "setup.exe", permission: 484, size: 1024000000 }, VersionFile { relative_filename: "test file.txt", permission: 484, size: 12 }]
\ No newline at end of file

From 87642befed64c525df0596ff5915d07f18dfc504 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 20 Dec 2025 17:04:18 +1100
Subject: [PATCH 28/50] feat: fix droplet manifest generation

---
 libraries/droplet/.gitignore      |  4 ++
 libraries/droplet/Cargo.lock      |  2 +-
 libraries/droplet/Cargo.toml      |  2 +-
 libraries/droplet/src/manifest.rs | 77 ++++++++++++++-----------------
 4 files changed, 41 insertions(+), 44 deletions(-)

diff --git a/libraries/droplet/.gitignore b/libraries/droplet/.gitignore
index 423b4790..d80b04ff 100644
--- a/libraries/droplet/.gitignore
+++ b/libraries/droplet/.gitignore
@@ -19,3 +19,7 @@ target/
 # Added by cargo
 
 /target
+
+perf.data
+flamegraph.svg
+*.json
\ No newline at end of file
diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 61bf6bab..803b4f4c 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.12.3"
+version = "0.13.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 55503bbe..18ef4aab 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.12.3"
+version = "0.13.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 4ee35e0c..29c56dd1 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -55,26 +55,25 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
 
     let required_single_file = backend.require_whole_files();
 
-    let files = backend.list_files().await?;
+    let mut files = backend.list_files().await?;
+    files.sort_by(|a, b| a.size.cmp(&b.size));
     // Filepath to chunk data
     let mut chunks: Vec<Vec<(VersionFile, u64, u64)>> = Vec::new();
     let mut current_chunk: Vec<(VersionFile, u64, u64)> = Vec::new();
 
     log_sfn("organizing files into chunks...".to_string());
 
-    for version_file in files {
-        // If we need the whole file, and this file would take up a whole chunk, add it to it's own chunk and move on
-        if required_single_file && version_file.size >= CHUNK_SIZE {
-            let size = version_file.size;
-            chunks.push(vec![(version_file, 0, size)]);
+    if required_single_file {
+        for version_file in files {
+            if version_file.size >= CHUNK_SIZE {
+                let size = version_file.size;
+                chunks.push(vec![(version_file, 0, size)]);
 
-            continue;
-        }
+                continue;
+            }
 
-        let mut current_size = current_chunk.iter().map(|v| v.2 - v.1).sum::<u64>();
+            let mut current_size = current_chunk.iter().map(|v| v.2).sum::<u64>();
 
-        // If we need the whole file, add this current file and move on, potentially adding and creating new chunk if need be
-        if required_single_file {
             let size = version_file.size;
             current_chunk.push((version_file, 0, size));
 
@@ -88,43 +87,36 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
 
             continue;
         }
+    } else {
+        for version_file in files {
+            let current_size = current_chunk.iter().map(|v| v.2).sum::<u64>();
 
-        // Otherwise we calculate how much of the file we need, then use that much
-        let remaining_budget = (CHUNK_SIZE + WIGGLE) - current_size;
-        if version_file.size >= remaining_budget {
-            let remaining_budget = CHUNK_SIZE - current_size;
-            current_chunk.push((version_file.clone(), 0, remaining_budget));
+            if version_file.size + current_size < CHUNK_SIZE + WIGGLE {
+                let size = version_file.size;
+                current_chunk.push((version_file, 0, size));
 
-            let new_chunk = std::mem::take(&mut current_chunk);
-            chunks.push(new_chunk);
-
-            let remaining_size = version_file.size - remaining_budget;
-            let mut running_offset = remaining_budget;
-            // Do everything but the last one
-            while running_offset < remaining_size {
-                let chunk_size = CHUNK_SIZE.min(remaining_size);
-                let chunk = vec![(version_file.clone(), running_offset, chunk_size)];
-                if chunk_size == CHUNK_SIZE {
-                    chunks.push(chunk);
-                } else {
-                    current_chunk = chunk;
-                }
-                running_offset += chunk_size;
+                continue;
             }
 
-            continue;
-        } else {
-            let size = version_file.size;
-            current_chunk.push((version_file, 0, size));
-            current_size += size;
-        }
+            // Fill up current chunk
+            let remaining = CHUNK_SIZE - current_size;
+            current_chunk.push((version_file.clone(), 0, remaining));
+            chunks.push(std::mem::take(&mut current_chunk));
 
-        if current_size >= CHUNK_SIZE {
-            // Pop current and add, then reset
-            let new_chunk = std::mem::take(&mut current_chunk);
-            chunks.push(new_chunk);
+            // This is our offset in our current file
+            let mut offset = remaining;
+            while offset < version_file.size {
+                let length = CHUNK_SIZE.min(version_file.size - offset);
+                offset += length;
+                if length == CHUNK_SIZE {
+                    chunks.push(vec![(version_file.clone(), offset, length)]);
+                } else {
+                    current_chunk.push((version_file.clone(), offset, length));
+                }
+            }
         }
     }
+
     if !current_chunk.is_empty() {
         chunks.push(current_chunk);
     }
@@ -191,8 +183,9 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
 
             send_log
                 .send(format!(
-                    "created chunk of size {} from {} files (index {})",
+                    "created chunk of size {} ({}b) from {} files (index {})",
                     format_size(chunk_length, BINARY),
+                    chunk_length,
                     chunk_data.files.len(),
                     index
                 ))

From 3ff2944f77fd4e2676231c71b9e7b2a910d1239f Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 20 Dec 2025 18:35:24 +1100
Subject: [PATCH 29/50] fix: manifest generation no actually this time

---
 libraries/droplet/Cargo.lock      |  2 +-
 libraries/droplet/Cargo.toml      |  2 +-
 libraries/droplet/src/main.rs     | 42 ++++++++++++++++++++++++++-----
 libraries/droplet/src/manifest.rs |  8 +++---
 4 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 803b4f4c..e6dcc97a 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.13.0"
+version = "0.14.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 18ef4aab..4e609c44 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.13.0"
+version = "0.14.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index d098a419..76036a45 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::{os::unix::fs::MetadataExt, path::PathBuf};
 
 use droplet_rs::manifest::generate_manifest_rusty;
 use serde_json::json;
@@ -6,18 +6,48 @@ use tokio::runtime::Handle;
 
 #[tokio::main]
 pub async fn main() {
+    let target_dir =
+        PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/BloonsTD6");
     let metrics = Handle::current().metrics();
     println!("using {} workers", metrics.num_workers());
     let manifest = generate_manifest_rusty(
-        &PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/Savage Resurrection"),
-        |progress| {
-            println!("PROGRESS: {}", progress)
-        },
+        &target_dir,
+        |progress| println!("PROGRESS: {}", progress),
         |message| {
             println!("{}", message);
         },
     )
     .await
     .unwrap();
-    tokio::fs::write("./manifst.json", json!(manifest).to_string()).await.expect("failed to write manifest");
+
+    // Sanity checks
+    for (_, chunk_data) in manifest.chunks {
+        for file in chunk_data.files {
+            let path = target_dir.join(file.filename);
+            if !path.exists() {
+                panic!("{} doesn't exist", path.display());
+            }
+
+            let metadata = path.metadata().expect("failed to fetch metadata");
+            let file_size = metadata.size();
+            if file.start > file_size as usize {
+                panic!(
+                    "start for {} doesn't make sense: start: {}, size: {}",
+                    path.display(),
+                    file.start,
+                    file_size
+                );
+            }
+
+            let end_position = file.start + file.length;
+            if end_position > file_size as usize {
+                panic!(
+                    "end for {} doesn't make sense: end: {}, size: {}",
+                    path.display(),
+                    end_position,
+                    file_size
+                );
+            }
+        }
+    }
 }
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 29c56dd1..7b66f306 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -56,7 +56,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let required_single_file = backend.require_whole_files();
 
     let mut files = backend.list_files().await?;
-    files.sort_by(|a, b| a.size.cmp(&b.size));
+    files.sort_by(|a, b| b.size.cmp(&a.size));
     // Filepath to chunk data
     let mut chunks: Vec<Vec<(VersionFile, u64, u64)>> = Vec::new();
     let mut current_chunk: Vec<(VersionFile, u64, u64)> = Vec::new();
@@ -91,7 +91,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
         for version_file in files {
             let current_size = current_chunk.iter().map(|v| v.2).sum::<u64>();
 
-            if version_file.size + current_size < CHUNK_SIZE + WIGGLE {
+            if version_file.size + current_size < CHUNK_SIZE {
                 let size = version_file.size;
                 current_chunk.push((version_file, 0, size));
 
@@ -101,18 +101,18 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
             // Fill up current chunk
             let remaining = CHUNK_SIZE - current_size;
             current_chunk.push((version_file.clone(), 0, remaining));
-            chunks.push(std::mem::take(&mut current_chunk));
+            chunks.push(std::mem::replace(&mut current_chunk, Vec::new()));
 
             // This is our offset in our current file
             let mut offset = remaining;
             while offset < version_file.size {
                 let length = CHUNK_SIZE.min(version_file.size - offset);
-                offset += length;
                 if length == CHUNK_SIZE {
                     chunks.push(vec![(version_file.clone(), offset, length)]);
                 } else {
                     current_chunk.push((version_file.clone(), offset, length));
                 }
+                offset += length;
             }
         }
     }

From a6cb297e605c2972f9dab069ccc0447fb7d1e2dc Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sat, 20 Dec 2025 19:48:40 +1100
Subject: [PATCH 30/50] fix: limit chunks to 512 files each

---
 libraries/droplet/Cargo.lock      |  2 +-
 libraries/droplet/Cargo.toml      |  2 +-
 libraries/droplet/src/manifest.rs | 10 +++++++++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index e6dcc97a..7fff6478 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.14.0"
+version = "0.14.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 4e609c44..104c576a 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.14.0"
+version = "0.14.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 7b66f306..d8f38cde 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -41,7 +41,7 @@ pub struct Manifest {
 }
 
 const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
-const WIGGLE: u64 = 1024 * 1024;
+const MAX_FILE_COUNT: usize = 512;
 
 use crate::versions::{create_backend_constructor, types::VersionFile};
 
@@ -85,10 +85,18 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
                 chunks.push(new_chunk);
             }
 
+            if current_chunk.len() >= MAX_FILE_COUNT {
+                chunks.push(std::mem::take(&mut current_chunk));
+            }
+
             continue;
         }
     } else {
         for version_file in files {
+            if current_chunk.len() >= MAX_FILE_COUNT {
+                chunks.push(std::mem::take(&mut current_chunk));
+            }
+
             let current_size = current_chunk.iter().map(|v| v.2).sum::<u64>();
 
             if version_file.size + current_size < CHUNK_SIZE {

From 28a1152ed23a0177a494db06e6fdfff8bf60a9f8 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Thu, 22 Jan 2026 07:35:23 +1100
Subject: [PATCH 31/50] chore: Remove static target_dir from main.rs

---
 libraries/droplet/src/main.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index 76036a45..baff5528 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -1,15 +1,16 @@
-use std::{os::unix::fs::MetadataExt, path::PathBuf};
+use std::{env, os::unix::fs::MetadataExt, path::PathBuf};
 
 use droplet_rs::manifest::generate_manifest_rusty;
-use serde_json::json;
 use tokio::runtime::Handle;
 
 #[tokio::main]
 pub async fn main() {
-    let target_dir =
-        PathBuf::from("/home/decduck/.local/share/Steam/steamapps/common/BloonsTD6");
+    let mut args = env::args();
+    let target_dir = PathBuf::from(args.nth(1).expect("Provide target directory"));
+
     let metrics = Handle::current().metrics();
     println!("using {} workers", metrics.num_workers());
+
     let manifest = generate_manifest_rusty(
         &target_dir,
         |progress| println!("PROGRESS: {}", progress),

From e7297019eaf12929a6d239077c47b93d23595f53 Mon Sep 17 00:00:00 2001
From: quexeky <git@quexeky.dev>
Date: Thu, 22 Jan 2026 07:42:58 +1100
Subject: [PATCH 32/50] chore: Add flake.nix and .envrc

---
 libraries/droplet/.envrc     |  1 +
 libraries/droplet/.gitignore |  4 +-
 libraries/droplet/flake.lock | 96 ++++++++++++++++++++++++++++++++++++
 libraries/droplet/flake.nix  | 52 +++++++++++++++++++
 4 files changed, 152 insertions(+), 1 deletion(-)
 create mode 100644 libraries/droplet/.envrc
 create mode 100644 libraries/droplet/flake.lock
 create mode 100644 libraries/droplet/flake.nix

diff --git a/libraries/droplet/.envrc b/libraries/droplet/.envrc
new file mode 100644
index 00000000..3550a30f
--- /dev/null
+++ b/libraries/droplet/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/libraries/droplet/.gitignore b/libraries/droplet/.gitignore
index d80b04ff..340991a0 100644
--- a/libraries/droplet/.gitignore
+++ b/libraries/droplet/.gitignore
@@ -22,4 +22,6 @@ target/
 
 perf.data
 flamegraph.svg
-*.json
\ No newline at end of file
+*.json
+
+.direnv
\ No newline at end of file
diff --git a/libraries/droplet/flake.lock b/libraries/droplet/flake.lock
new file mode 100644
index 00000000..e0d2640d
--- /dev/null
+++ b/libraries/droplet/flake.lock
@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1768886240,
+        "narHash": "sha256-C2TjvwYZ2VDxYWeqvvJ5XPPp6U7H66zeJlRaErJKoEM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "80e4adbcf8992d3fd27ad4964fbb84907f9478b0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1768963622,
+        "narHash": "sha256-n6VHiUgrYD9yjagzG6ncVVqFbVTsKCI54tR9PNAFCo0=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "2ef5b3362af585a83bafd34e7fc9b1f388c2e5e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/libraries/droplet/flake.nix b/libraries/droplet/flake.nix
new file mode 100644
index 00000000..7c806fd3
--- /dev/null
+++ b/libraries/droplet/flake.nix
@@ -0,0 +1,52 @@
+{
+  description = "Drop-OSS app development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      rust-overlay,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+        libraries = with pkgs; [
+            glib
+            glibc
+            openssl
+          ];
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [
+            pkg-config
+            git
+            rust-bin.nightly.latest.default
+            rust-analyzer
+            cargo-expand
+          ];
+
+          
+          buildInputs = libraries;
+
+          shellHook = ''
+            export LD_LIBRARY_PATH="${
+              pkgs.lib.makeLibraryPath libraries
+            }:$LD_LIBRARY_PATH"
+          echo "Downpour development environment loaded"
+          '';
+        };
+      }
+    );
+}

From 23491695b3a04fc4ac4ddab44e92da94e0a4ff36 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Wed, 4 Feb 2026 22:39:52 +1100
Subject: [PATCH 33/50] feat: optional reader semaphore

---
 libraries/droplet/src/main.rs              |  1 +
 libraries/droplet/src/manifest.rs          | 30 ++++++++++++++--------
 libraries/droplet/src/versions/backends.rs |  2 +-
 3 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index baff5528..9f163ab4 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -17,6 +17,7 @@ pub async fn main() {
         |message| {
             println!("{}", message);
         },
+        &None,
     )
     .await
     .unwrap();
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index d8f38cde..9274ad2c 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -1,11 +1,7 @@
 use std::{
-    collections::HashMap,
-    future::Future,
-    path::Path,
-    sync::{
-        atomic::{AtomicU64, Ordering},
-        Arc,
-    },
+    collections::HashMap, future::Future, path::Path, sync::{
+        Arc, atomic::{AtomicU64, Ordering}
+    }
 };
 
 use anyhow::{anyhow, Error};
@@ -13,9 +9,12 @@ use futures::{stream::FuturesUnordered, StreamExt};
 use hex::ToHex as _;
 use humansize::{format_size, BINARY};
 use serde::{Deserialize, Serialize};
-use serde_json::json;
 use sha2::{Digest as _, Sha256};
-use tokio::{io::AsyncReadExt as _, join, sync::Mutex};
+use tokio::{
+    io::AsyncReadExt as _,
+    join,
+    sync::{Mutex, Semaphore},
+};
 
 #[derive(Serialize, Deserialize, Clone)]
 pub struct FileEntry {
@@ -49,6 +48,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     dir: &Path,
     progress_sfn: V,
     log_sfn: T,
+    reader_semaphore: &Option<Semaphore>,
 ) -> anyhow::Result<Manifest> {
     let mut backend =
         create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;
@@ -56,7 +56,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let required_single_file = backend.require_whole_files();
 
     let mut files = backend.list_files().await?;
-    files.sort_by(|a, b| b.size.cmp(&a.size));
+    files.sort_by_key(|b| std::cmp::Reverse(b.size));
     // Filepath to chunk data
     let mut chunks: Vec<Vec<(VersionFile, u64, u64)>> = Vec::new();
     let mut current_chunk: Vec<(VersionFile, u64, u64)> = Vec::new();
@@ -109,7 +109,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
             // Fill up current chunk
             let remaining = CHUNK_SIZE - current_size;
             current_chunk.push((version_file.clone(), 0, remaining));
-            chunks.push(std::mem::replace(&mut current_chunk, Vec::new()));
+            chunks.push(std::mem::take(&mut current_chunk));
 
             // This is our offset in our current file
             let mut offset = remaining;
@@ -165,6 +165,12 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
             let mut chunk_length = 0;
 
             for (file, start, length) in chunk {
+                let permit = if let Some(reader_semaphore) = &reader_semaphore {
+                    Some(reader_semaphore.acquire().await?)
+                } else {
+                    None
+                };
+
                 let mut reader = {
                     let mut backend_lock = backend.lock().await;
                     let reader = backend_lock.reader(&file, start, start + length).await?;
@@ -187,6 +193,8 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
                     length: length.try_into().unwrap(),
                     permissions: file.permission,
                 });
+
+                drop(permit);
             }
 
             send_log
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
index 3bef9dcd..ecd6876b 100644
--- a/libraries/droplet/src/versions/backends.rs
+++ b/libraries/droplet/src/versions/backends.rs
@@ -185,7 +185,7 @@ impl VersionBackend for ZipVersionBackend {
             let version_file = VersionFile {
                 relative_filename: name.to_string(),
                 permission: 0o744,
-                size: size,
+                size,
             };
 
             results.push(version_file);

From 047a1184f90c6752548b9c8588ce15b3fa9c94e7 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Wed, 4 Feb 2026 22:40:11 +1100
Subject: [PATCH 34/50] feat: bump version

---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 7fff6478..a698ec9d 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.14.1"
+version = "0.15.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 104c576a..dbd1461d 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.14.1"
+version = "0.15.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 

From dedf57517af36fad8768629d8440a1d3ef895acc Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Wed, 4 Feb 2026 22:46:03 +1100
Subject: [PATCH 35/50] fix: semaphore reference

---
 libraries/droplet/Cargo.lock      | 2 +-
 libraries/droplet/Cargo.toml      | 2 +-
 libraries/droplet/src/main.rs     | 2 +-
 libraries/droplet/src/manifest.rs | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index a698ec9d..7f99250a 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index dbd1461d..27dab856 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.15.0"
+version = "0.15.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index 9f163ab4..a9289652 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -17,7 +17,7 @@ pub async fn main() {
         |message| {
             println!("{}", message);
         },
-        &None,
+        None,
     )
     .await
     .unwrap();
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 9274ad2c..8f7f9e50 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -48,7 +48,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     dir: &Path,
     progress_sfn: V,
     log_sfn: T,
-    reader_semaphore: &Option<Semaphore>,
+    reader_semaphore: Option<&Semaphore>,
 ) -> anyhow::Result<Manifest> {
     let mut backend =
         create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;

From c8449d7b3ee05c6fcc19beaa58a70e1560b77a5b Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:18:39 +1100
Subject: [PATCH 36/50] feat: libarchive backend

---
 libraries/droplet/.gitmodules                 |   3 +
 libraries/droplet/Cargo.lock                  | 186 ++++++++++++--
 libraries/droplet/Cargo.toml                  |  12 +-
 libraries/droplet/README.md                   |   8 +-
 libraries/droplet/libarchive-rust             |   1 +
 libraries/droplet/src/lib.rs                  |   3 +
 libraries/droplet/src/main.rs                 |   2 +
 libraries/droplet/src/manifest.rs             |  53 ++--
 .../droplet/src/versions/archive_backend.rs   | 115 +++++++++
 libraries/droplet/src/versions/backends.rs    | 230 ------------------
 libraries/droplet/src/versions/mod.rs         |  66 +++--
 .../droplet/src/versions/path_backend.rs      |  98 ++++++++
 libraries/droplet/src/versions/types.rs       |  11 +-
 libraries/droplet/src/vm/mod.rs               |   0
 14 files changed, 482 insertions(+), 306 deletions(-)
 create mode 100644 libraries/droplet/.gitmodules
 create mode 160000 libraries/droplet/libarchive-rust
 create mode 100644 libraries/droplet/src/versions/archive_backend.rs
 delete mode 100644 libraries/droplet/src/versions/backends.rs
 create mode 100644 libraries/droplet/src/versions/path_backend.rs
 create mode 100644 libraries/droplet/src/vm/mod.rs

diff --git a/libraries/droplet/.gitmodules b/libraries/droplet/.gitmodules
new file mode 100644
index 00000000..8dfab4fd
--- /dev/null
+++ b/libraries/droplet/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "libarchive-rust"]
+	path = libarchive-rust
+	url = git@github.com:Drop-OSS/libarchive-rust.git
diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 7f99250a..157e5988 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -2,6 +2,21 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "addr2line"
+version = "0.25.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5d307320b3181d6d7954e663bd7c774a838b8220fe0593c86d9fb09f498b4b"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
 [[package]]
 name = "anyhow"
 version = "1.0.100"
@@ -48,8 +63,8 @@ checksum = "965c2d33e53cb6b267e148a4cb0760bc01f4904c1cd4bb4002a085bb016d1490"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "synstructure",
+ "syn 2.0.117",
+ "synstructure 0.13.1",
 ]
 
 [[package]]
@@ -60,8 +75,8 @@ checksum = "3109e49b1e4909e9db6515a30c633684d68cdeaa252f215214cb4fa1a5bfee2c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "synstructure",
+ "syn 2.0.117",
+ "synstructure 0.13.1",
 ]
 
 [[package]]
@@ -72,7 +87,7 @@ checksum = "7b18050c2cd6fe86c3a76584ef5e0baf286d038cda203eb6223df2cc413565f7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -83,7 +98,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -92,6 +107,21 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "backtrace"
+version = "0.3.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb531853791a215d7c62a30daf0dde835f381ab5de4589cfe7c649d2cbe92bd6"
+dependencies = [
+ "addr2line",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+ "windows-link",
+]
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -214,7 +244,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -228,11 +258,13 @@ dependencies = [
  "getrandom 0.3.4",
  "hex",
  "humansize",
+ "libarchive",
  "rcgen",
  "ring",
  "serde",
  "serde_json",
  "sha2",
+ "speedometer",
  "time",
  "tokio",
  "uuid",
@@ -245,6 +277,28 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
 
+[[package]]
+name = "failure"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
+dependencies = [
+ "backtrace",
+ "failure_derive",
+]
+
+[[package]]
+name = "failure_derive"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "synstructure 0.12.6",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.31"
@@ -301,7 +355,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -367,6 +421,12 @@ dependencies = [
  "wasip2",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.32.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -405,10 +465,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
-name = "libc"
-version = "0.2.171"
+name = "libarchive"
+version = "0.1.1"
+dependencies = [
+ "libarchive3-sys",
+ "libc",
+]
+
+[[package]]
+name = "libarchive3-sys"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
+checksum = "3cd3beae8f59a4c7a806523269b5392037577c150446e88d684dfa6de6031ca7"
+dependencies = [
+ "libc",
+ "pkg-config",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.182"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"
 
 [[package]]
 name = "libm"
@@ -428,6 +506,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
+dependencies = [
+ "adler2",
+]
+
 [[package]]
 name = "mio"
 version = "1.1.0"
@@ -483,6 +570,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "object"
+version = "0.37.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "oid-registry"
 version = "0.7.1"
@@ -529,6 +625,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -587,6 +689,12 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
+
 [[package]]
 name = "rusticata-macros"
 version = "4.1.0"
@@ -641,7 +749,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -690,16 +798,48 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a2ae44ef20feb57a68b23d846850f861394c2e02dc425a50098ae8c90267589"
 
 [[package]]
-name = "syn"
-version = "2.0.100"
+name = "speedometer"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "2789736092fa21b44baf8590acb4b360cb91f0f597bd6c1f1741ca9644c95c1e"
+dependencies = [
+ "failure",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "unicode-xid",
+]
+
 [[package]]
 name = "synstructure"
 version = "0.13.1"
@@ -708,7 +848,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -737,7 +877,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -748,7 +888,7 @@ checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -805,7 +945,7 @@ checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -820,6 +960,12 @@ version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -890,7 +1036,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
  "wasm-bindgen-shared",
 ]
 
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 27dab856..eaaddaf9 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -11,7 +11,15 @@ hex = "0.4.3"
 time = "0.3.41"
 ring = "0.17.14"
 dyn-clone = "1.0.20"
-tokio = { version = "^1.48.0", features = ["process", "fs", "io-util", "rt", "rt-multi-thread", "macros", "sync"] }
+tokio = { version = "^1.48.0", features = [
+    "process",
+    "fs",
+    "io-util",
+    "rt",
+    "rt-multi-thread",
+    "macros",
+    "sync",
+] }
 anyhow = "1.0.100"
 async-trait = "0.1.89"
 serde = { version = "1.0.228", features = ["derive"] }
@@ -21,6 +29,8 @@ uuid = { version = "1.19.0", features = ["v4"] }
 sha2 = "0.10.9"
 futures = "0.3.31"
 getrandom = "0.3.4"
+libarchive = { version = "*", path = "./libarchive-rust" }
+speedometer = "0.2.2"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/README.md b/libraries/droplet/README.md
index b321a75e..266e5152 100644
--- a/libraries/droplet/README.md
+++ b/libraries/droplet/README.md
@@ -1,2 +1,8 @@
 # droplet-rs
-Core rust functionality for droplet
+
+A Rust-based library for utilities and functionality required both by the server, client, and other tools.
+
+## manifest generation
+`droplet-rs` contains the manifest generation code, held in `manifest.rs`.
+
+It also includes the version backends to provide a unified read-write interface to files.
\ No newline at end of file
diff --git a/libraries/droplet/libarchive-rust b/libraries/droplet/libarchive-rust
new file mode 160000
index 00000000..279fd5f7
--- /dev/null
+++ b/libraries/droplet/libarchive-rust
@@ -0,0 +1 @@
+Subproject commit 279fd5f727d5af50771cdfd660d657dff52c42f7
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index 6781cc7a..8ad90277 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -5,6 +5,9 @@ pub mod file_utils;
 pub mod ssl;
 pub mod versions;
 pub mod manifest;
+pub mod vm;
+
+extern crate libarchive;
 
 #[cfg(test)]
 pub mod tests;
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index a9289652..c512fe89 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -22,6 +22,8 @@ pub async fn main() {
     .await
     .unwrap();
 
+    return;
+
     // Sanity checks
     for (_, chunk_data) in manifest.chunks {
         for file in chunk_data.files {
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 8f7f9e50..02294aa0 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -1,11 +1,15 @@
 use std::{
-    collections::HashMap, future::Future, path::Path, sync::{
-        Arc, atomic::{AtomicU64, Ordering}
-    }
+    collections::HashMap,
+    future::Future,
+    mem,
+    path::Path,
+    sync::{
+        atomic::{AtomicU64, Ordering},
+        Arc,
+    },
 };
 
-use anyhow::{anyhow, Error};
-use futures::{stream::FuturesUnordered, StreamExt};
+use anyhow::anyhow;
 use hex::ToHex as _;
 use humansize::{format_size, BINARY};
 use serde::{Deserialize, Serialize};
@@ -14,6 +18,7 @@ use tokio::{
     io::AsyncReadExt as _,
     join,
     sync::{Mutex, Semaphore},
+    task::JoinSet,
 };
 
 #[derive(Serialize, Deserialize, Clone)]
@@ -39,18 +44,21 @@ pub struct Manifest {
     pub key: [u8; 16],
 }
 
-const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
+const CHUNK_SIZE: u64 = 1024 * 1024; //* 64;
 const MAX_FILE_COUNT: usize = 512;
 
-use crate::versions::{create_backend_constructor, types::VersionFile};
+use crate::versions::{
+    create_backend_constructor,
+    types::{VersionBackend, VersionFile},
+};
 
 pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     dir: &Path,
     progress_sfn: V,
     log_sfn: T,
-    reader_semaphore: Option<&Semaphore>,
+    reader_semaphore: Option<Arc<Semaphore>>,
 ) -> anyhow::Result<Manifest> {
-    let mut backend =
+    let backend =
         create_backend_constructor(dir).ok_or(anyhow!("Could not create backend for path."))?()?;
 
     let required_single_file = backend.require_whole_files();
@@ -137,18 +145,19 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let manifest: Arc<Mutex<HashMap<String, ChunkData>>> = Arc::new(Mutex::new(HashMap::new()));
     let total_manifest_length = Arc::new(AtomicU64::new(0));
 
-    let backend = Arc::new(Mutex::new(backend));
+    // SAFETY: we .join_all() the futures using this
+    let backend: &'static Box<dyn VersionBackend + Send + Sync> =
+        unsafe { mem::transmute(&backend) };
 
-    let futures: FuturesUnordered<impl Future<Output = Result<(), Error>>> =
-        FuturesUnordered::new();
+    let mut futures: JoinSet<Result<(), anyhow::Error>> = JoinSet::new();
     let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);
     let chunks_length = chunks.len();
     for (index, chunk) in chunks.into_iter().enumerate() {
         let send_log = send_log.clone();
-        let backend = backend.clone();
         let total_manifest_length = total_manifest_length.clone();
         let manifest = manifest.clone();
-        futures.push(async move {
+        let reader_semaphore = reader_semaphore.clone();
+        futures.spawn(async move {
             let mut read_buf = vec![0; 1024 * 1024 * 64];
 
             let uuid = uuid::Uuid::new_v4().to_string();
@@ -164,6 +173,8 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
 
             let mut chunk_length = 0;
 
+            println!("starting chunk {}", index);
+
             for (file, start, length) in chunk {
                 let permit = if let Some(reader_semaphore) = &reader_semaphore {
                     Some(reader_semaphore.acquire().await?)
@@ -171,18 +182,20 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
                     None
                 };
 
-                let mut reader = {
-                    let mut backend_lock = backend.lock().await;
-                    let reader = backend_lock.reader(&file, start, start + length).await?;
-                    reader
-                };
+                let mut reader = backend.reader(&file, start, start + length).await?;
+
+                let mut total = 0;
 
                 loop {
                     let amount = reader.read(&mut read_buf).await?;
                     if amount == 0 {
                         break;
                     }
+                    total += amount;
                     hasher.update(&read_buf[0..amount]);
+                    if total as u64 > length {
+                        panic!("read too much: target {}, got {}", length, total);
+                    }
                 }
 
                 chunk_length += length;
@@ -230,7 +243,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
                 progress_sfn((current_progress / total_progress) * 100.0f32)
             }
         },
-        futures.collect::<Vec<Result<(), Error>>>()
+        futures.join_all()
     );
 
     let manifest = manifest.lock().await;
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
new file mode 100644
index 00000000..2f8633ad
--- /dev/null
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -0,0 +1,115 @@
+use std::{path::PathBuf, task::Poll};
+
+use anyhow::{anyhow};
+use async_trait::async_trait;
+use libarchive::{
+    archive::{Entry, FileType, ReadCompression, ReadFormat},
+    reader::{Builder, FileReader, Reader},
+};
+use tokio::io::AsyncRead;
+
+use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
+
+pub struct ZipVersionBackend {
+    path: PathBuf,
+}
+impl ZipVersionBackend {
+    pub fn new(path: PathBuf) -> anyhow::Result<Self> {
+        Ok(Self { path })
+    }
+
+    fn open_archive(&self) -> Result<FileReader, anyhow::Error> {
+        let mut archive = Builder::new();
+        archive.support_format(ReadFormat::All)?;
+        archive.support_compression(ReadCompression::All)?;
+        let archive = archive.open_file(&self.path)?;
+
+        Ok(archive)
+    }
+}
+
+struct ArchiveReader {
+    archive: FileReader,
+}
+
+impl AsyncRead for ArchiveReader {
+    fn poll_read(
+        self: std::pin::Pin<&mut Self>,
+        _cx: &mut std::task::Context<'_>,
+        buf: &mut tokio::io::ReadBuf<'_>,
+    ) -> std::task::Poll<std::io::Result<()>> {
+        let block = match self.archive.read_block() {
+            Ok(v) => v,
+            Err(err) => return Poll::Ready(Err(std::io::Error::other(err.to_string()))),
+        };
+
+        let block = match block {
+            Some(v) => v,
+            None => return Poll::Ready(Ok(())),
+        };
+
+        buf.put_slice(block);
+        return Poll::Ready(Ok(()));
+    }
+}
+
+#[async_trait]
+impl VersionBackend for ZipVersionBackend {
+    async fn list_files(&self) -> anyhow::Result<Vec<VersionFile>> {
+        let mut archive = self.open_archive()?;
+        let mut results = Vec::new();
+
+        while let Some(header) = archive.next_header() {
+            match header.filetype() {
+                FileType::RegularFile => (),
+                _ => {
+                    continue;
+                }
+            }
+            results.push(VersionFile {
+                relative_filename: header.pathname().to_string(),
+                permission: 0o744,
+                size: header.size().try_into()?,
+            });
+            println!("storing file {}", header.pathname());
+        }
+
+        Ok(results)
+    }
+
+    async fn reader(
+        &self,
+        file: &VersionFile,
+        _start: u64,
+        _end: u64,
+    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
+        let mut archive = self.open_archive()?;
+
+        // Find entry in archive
+        loop {
+            let entry = match archive.next_header() {
+                Some(v) => v,
+                None => return Err(anyhow!("entry not found:{}", file.relative_filename)),
+            };
+            if entry.pathname() == file.relative_filename {
+                break;
+            }
+        }
+
+        Ok(Box::new(ArchiveReader { archive }))
+    }
+
+    async fn peek_file(&self, sub_path: String) -> anyhow::Result<VersionFile> {
+        let files = self.list_files().await?;
+        let file = files
+            .iter()
+            .find(|v| v.relative_filename == sub_path)
+            .expect("file not found");
+
+        Ok(file.clone())
+    }
+
+    fn require_whole_files(&self) -> bool {
+        true
+    }
+}
diff --git a/libraries/droplet/src/versions/backends.rs b/libraries/droplet/src/versions/backends.rs
deleted file mode 100644
index ecd6876b..00000000
--- a/libraries/droplet/src/versions/backends.rs
+++ /dev/null
@@ -1,230 +0,0 @@
-#[cfg(unix)]
-use std::os::unix::fs::PermissionsExt;
-use std::{
-    fs::{metadata, read_dir},
-    io::SeekFrom,
-    path::{Path, PathBuf},
-    process::Stdio,
-    sync::LazyLock,
-};
-
-use anyhow::{anyhow, Result};
-use async_trait::async_trait;
-use tokio::{
-    fs::File,
-    io::{AsyncReadExt as _, AsyncSeekExt as _, BufReader},
-    process::Command,
-};
-
-use crate::versions::types::{MinimumFileObject, VersionBackend, VersionFile};
-
-pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
-    if metadata(path)?.is_dir() {
-        let paths = read_dir(path)?;
-        for path_result in paths {
-            let full_path = path_result?.path();
-            if metadata(&full_path)?.is_dir() {
-                _list_files(vec, &full_path)?;
-            } else {
-                vec.push(full_path);
-            }
-        }
-    };
-
-    Ok(())
-}
-
-#[derive(Clone)]
-pub struct PathVersionBackend {
-    pub base_dir: PathBuf,
-}
-
-#[async_trait]
-impl VersionBackend for PathVersionBackend {
-    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
-        let mut vec = Vec::new();
-        _list_files(&mut vec, &self.base_dir)?;
-
-        let mut results = Vec::new();
-
-        for pathbuf in vec.iter() {
-            let relative = pathbuf.strip_prefix(self.base_dir.clone())?;
-
-            results.push(
-                self.peek_file(
-                    relative
-                        .to_str()
-                        .ok_or(anyhow!("Could not parse path: {}", relative.to_string_lossy()))?
-                        .to_owned(),
-                )
-                .await?,
-            );
-        }
-
-        Ok(results)
-    }
-
-    async fn reader(
-        &mut self,
-        file: &VersionFile,
-        start: u64,
-        end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
-        let mut file = File::open(self.base_dir.join(file.relative_filename.clone())).await?;
-
-        if start != 0 {
-            file.seek(SeekFrom::Start(start)).await?;
-        }
-
-        if end != 0 {
-            return Ok(Box::new(file.take(end - start)));
-        }
-
-        Ok(Box::new(file))
-    }
-
-    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
-        let pathbuf = self.base_dir.join(sub_path.clone());
-        if !pathbuf.exists() {
-            return Err(anyhow!("Path doesn't exist: {}", pathbuf.to_string_lossy()));
-        };
-
-        let file = File::open(pathbuf.clone()).await?;
-        let metadata = file.try_clone().await?.metadata().await?;
-        let permission_object = metadata.permissions();
-        let permissions = {
-            let perm: u32;
-            #[cfg(target_family = "unix")]
-            {
-                perm = permission_object.mode();
-            }
-            #[cfg(not(target_family = "unix"))]
-            {
-                perm = 0
-            }
-            perm
-        };
-
-        Ok(VersionFile {
-            relative_filename: sub_path,
-            permission: permissions,
-            size: metadata.len(),
-        })
-    }
-
-    fn require_whole_files(&self) -> bool {
-        false
-    }
-}
-
-pub static SEVEN_ZIP_INSTALLED: LazyLock<bool> =
-    LazyLock::new(|| std::process::Command::new("7z").output().is_ok());
-// https://7-zip.opensource.jp/chm/general/formats.htm
-// Intentionally repeated some because it's a trivial cost and it's easier to directly copy from the docs above
-pub const SUPPORTED_FILE_EXTENSIONS: [&str; 89] = [
-    "7z", "bz2", "bzip2", "tbz2", "tbz", "gz", "gzip", "tgz", "tar", "wim", "swm", "esd", "xz",
-    "txz", "zip", "zipx", "jar", "xpi", "odt", "ods", "docx", "xlsx", "epub", "apm", "ar", "a",
-    "deb", "lib", "arj", "cab", "chm", "chw", "chi", "chq", "msi", "msp", "doc", "xls", "ppt",
-    "cpio", "cramfs", "dmg", "ext", "ext2", "ext3", "ext4", "img", "fat", "img", "hfs", "hfsx",
-    "hxs", "hxr", "hxq", "hxw", "lit", "ihex", "iso", "img", "lzh", "lha", "lzma", "mbr", "mslz",
-    "mub", "nsis", "ntfs", "img", "mbr", "rar", "r00", "rpm", "ppmd", "qcow", "qcow2", "qcow2c",
-    "squashfs", "udf", "iso", "img", "scap", "uefif", "vdi", "vhd", "vmdk", "xar", "pkg", "z",
-    "taz",
-];
-
-#[derive(Clone)]
-pub struct ZipVersionBackend {
-    path: String,
-}
-impl ZipVersionBackend {
-    pub fn new(path: PathBuf) -> anyhow::Result<Self> {
-        Ok(Self {
-            path: path.to_str().expect("invalid utf path").to_owned(),
-        })
-    }
-}
-
-#[async_trait]
-impl VersionBackend for ZipVersionBackend {
-    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>> {
-        let mut list_command = Command::new("7z");
-        list_command.args(vec!["l", &self.path]);
-        let result = list_command.output().await?;
-        if !result.status.success() {
-            return Err(anyhow!(
-                "failed to list files: code {:?}",
-                result.status.code()
-            ));
-        }
-        let raw_result = String::from_utf8(result.stdout)?;
-        let mut lines = raw_result.split("\n").skip(11);
-
-        let mut column_lines = lines
-            .find(|v| v.starts_with('-'))
-            .ok_or(anyhow!("invalid 7z output"))?
-            .chars();
-        let file_lines = lines.take_while(|v| !v.starts_with("-"));
-
-        /*
-           Date      Time    Attr         Size   Compressed  Name
-        ------------------- ----- ------------ ------------  ------------------------
-                 */
-        let datetime_pos = 0usize;
-        let attrs_pos = datetime_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
-        let size_pos = attrs_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
-        let compressed_size_pos = size_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
-        let name_pos = compressed_size_pos + column_lines.position(|v| v == ' ').unwrap() + 1;
-
-        let mut results = Vec::new();
-        for file in file_lines {
-            let name = file[name_pos..].trim();
-            let size = file[size_pos..compressed_size_pos].trim();
-
-            let size = str::parse::<u64>(size)?;
-
-            let version_file = VersionFile {
-                relative_filename: name.to_string(),
-                permission: 0o744,
-                size,
-            };
-
-            results.push(version_file);
-        }
-
-        Ok(results)
-    }
-
-    async fn reader(
-        &mut self,
-        file: &VersionFile,
-        _start: u64,
-        _end: u64,
-    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
-        let mut read_command = Command::new("7z");
-        read_command.args(vec!["e", "-so", &self.path, &file.relative_filename]);
-        let mut output = read_command
-            .stdout(Stdio::piped())
-            .spawn()
-            .expect("failed to spawn 7z");
-        let stdout = output
-            .stdout
-            .take()
-            .ok_or(anyhow!("no stdout on 7zip process"))?;
-        let reader = BufReader::new(stdout);
-        Ok(Box::new(reader))
-    }
-
-    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile> {
-        let files = self.list_files().await?;
-        let file = files
-            .iter()
-            .find(|v| v.relative_filename == sub_path)
-            .expect("file not found");
-
-        Ok(file.clone())
-    }
-
-    fn require_whole_files(&self) -> bool {
-        true
-    }
-}
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index 4127d9d2..5549ff7c 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -1,15 +1,37 @@
-use std::path::Path;
+use std::{
+    fs::{metadata, read_dir},
+    path::{Path, PathBuf},
+};
 
 use anyhow::Result;
 
 use crate::versions::{
-    backends::{
-        PathVersionBackend, ZipVersionBackend, SEVEN_ZIP_INSTALLED, SUPPORTED_FILE_EXTENSIONS,
-    },
-    types::VersionBackend,
+    archive_backend::ZipVersionBackend, path_backend::PathVersionBackend, types::VersionBackend,
 };
 
-pub mod backends;
+pub mod archive_backend;
+pub mod path_backend;
+
+pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
+    if metadata(path)?.is_dir() {
+        let paths = read_dir(path)?;
+        for path_result in paths {
+            let full_path = path_result?.path();
+            if metadata(&full_path)?.is_dir() {
+                _list_files(vec, &full_path)?;
+            } else {
+                vec.push(full_path);
+            }
+        }
+    };
+
+    Ok(())
+}
+
+const SUPPORTED_FILE_EXTENSIONS: [&'static str; 11] = [
+    "tar", "pax", "cpio", "zip", "jar", "ar", "xar", "rar", "rpm", "7z", "iso",
+];
+
 pub mod types;
 pub fn create_backend_constructor<'a>(
     path: &Path,
@@ -26,27 +48,17 @@ pub fn create_backend_constructor<'a>(
         }));
     };
 
-    if *SEVEN_ZIP_INSTALLED {
-        /*
-        Slow 7zip integrity test
-        let mut test = Command::new("7z");
-        test.args(vec!["t", path.to_str().expect("invalid utf path")]);
-        let status = test.status().ok()?;
-        if status.code().unwrap_or(1) == 0 {
-          let buf = path.to_path_buf();
-          return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
-        }
-         */
-        // Fast filename-based test
-        if let Some(extension) = path.extension().and_then(|v| v.to_str()) {
-            let supported = SUPPORTED_FILE_EXTENSIONS
-                .iter()
-                .any(|v| **v == *extension);
-            if supported {
-                let buf = path.to_path_buf();
-                return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
-            }
-        }
+    let file_extension = path
+        .extension()
+        .map(|v| v.to_str())
+        .flatten()?;
+
+    if SUPPORTED_FILE_EXTENSIONS
+        .iter()
+        .any(|v| *v == file_extension)
+    {
+        let buf = path.to_path_buf();
+        return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
     }
 
     None
diff --git a/libraries/droplet/src/versions/path_backend.rs b/libraries/droplet/src/versions/path_backend.rs
new file mode 100644
index 00000000..5a0247fa
--- /dev/null
+++ b/libraries/droplet/src/versions/path_backend.rs
@@ -0,0 +1,98 @@
+#[cfg(unix)]
+use std::os::unix::fs::PermissionsExt;
+use std::{
+    io::SeekFrom,
+    path::PathBuf,
+};
+
+use anyhow::anyhow;
+use async_trait::async_trait;
+use tokio::{
+    fs::File,
+    io::{AsyncReadExt as _, AsyncSeekExt as _},
+};
+
+#[derive(Clone)]
+pub struct PathVersionBackend {
+    pub base_dir: PathBuf,
+}
+
+use crate::versions::{_list_files, types::{MinimumFileObject, VersionBackend, VersionFile}};
+
+#[async_trait]
+impl VersionBackend for PathVersionBackend {
+    async fn list_files(&self) -> anyhow::Result<Vec<VersionFile>> {
+        let mut vec = Vec::new();
+        _list_files(&mut vec, &self.base_dir)?;
+
+        let mut results = Vec::new();
+
+        for pathbuf in vec.iter() {
+            let relative = pathbuf.strip_prefix(self.base_dir.clone())?;
+
+            results.push(
+                self.peek_file(
+                    relative
+                        .to_str()
+                        .ok_or(anyhow!("Could not parse path: {}", relative.to_string_lossy()))?
+                        .to_owned(),
+                )
+                .await?,
+            );
+        }
+
+        Ok(results)
+    }
+
+    async fn reader(
+        &self,
+        file: &VersionFile,
+        start: u64,
+        end: u64,
+    ) -> anyhow::Result<Box<dyn MinimumFileObject>> {
+        let mut file = File::open(self.base_dir.join(file.relative_filename.clone())).await?;
+
+        if start != 0 {
+            file.seek(SeekFrom::Start(start)).await?;
+        }
+
+        if end != 0 {
+            return Ok(Box::new(file.take(end - start)));
+        }
+
+        Ok(Box::new(file))
+    }
+
+    async fn peek_file(&self, sub_path: String) -> anyhow::Result<VersionFile> {
+        let pathbuf = self.base_dir.join(sub_path.clone());
+        if !pathbuf.exists() {
+            return Err(anyhow!("Path doesn't exist: {}", pathbuf.to_string_lossy()));
+        };
+
+        let file = File::open(pathbuf.clone()).await?;
+        let metadata = file.try_clone().await?.metadata().await?;
+        let permission_object = metadata.permissions();
+        let permissions = {
+            let perm: u32;
+            #[cfg(target_family = "unix")]
+            {
+                perm = permission_object.mode();
+            }
+            #[cfg(not(target_family = "unix"))]
+            {
+                perm = 0
+            }
+            perm
+        };
+
+        Ok(VersionFile {
+            relative_filename: sub_path,
+            permission: permissions,
+            size: metadata.len(),
+        })
+    }
+
+    fn require_whole_files(&self) -> bool {
+        false
+    }
+}
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 5a7cfd95..317408da 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -1,7 +1,6 @@
 use std::fmt::Debug;
 
 use async_trait::async_trait;
-use dyn_clone::DynClone;
 use tokio::io::AsyncRead;
 
 #[derive(Debug, Clone)]
@@ -16,16 +15,14 @@ impl<T: AsyncRead + Send + Unpin> MinimumFileObject for T {}
 
 
 #[async_trait]
-pub trait VersionBackend: DynClone {
+pub trait VersionBackend {
     fn require_whole_files(&self) -> bool;
-    async fn list_files(&mut self) -> anyhow::Result<Vec<VersionFile>>;
-    async fn peek_file(&mut self, sub_path: String) -> anyhow::Result<VersionFile>;
+    async fn list_files(&self) -> anyhow::Result<Vec<VersionFile>>;
+    async fn peek_file(&self, sub_path: String) -> anyhow::Result<VersionFile>;
     async fn reader(
-        &mut self,
+        &self,
         file: &VersionFile,
         start: u64,
         end: u64,
     ) -> anyhow::Result<Box<dyn MinimumFileObject>>;
 }
-
-dyn_clone::clone_trait_object!(VersionBackend);
diff --git a/libraries/droplet/src/vm/mod.rs b/libraries/droplet/src/vm/mod.rs
new file mode 100644
index 00000000..e69de29b

From b2b3ee7d3c8ed3f69c5b8460904cf95a5e291e91 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:19:05 +1100
Subject: [PATCH 37/50] version bump

---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 157e5988..1de698f3 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.15.1"
+version = "0.16.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index eaaddaf9..eb6ec359 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.15.1"
+version = "0.16.0"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 

From c4bfe3357d5cd98f9d8bdd4aa7452701fb3268a0 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:21:23 +1100
Subject: [PATCH 38/50] fix: use renamed package

---
 libraries/droplet/Cargo.lock                      | 4 ++--
 libraries/droplet/Cargo.toml                      | 2 +-
 libraries/droplet/libarchive-rust                 | 2 +-
 libraries/droplet/src/lib.rs                      | 2 +-
 libraries/droplet/src/versions/archive_backend.rs | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 1de698f3..91ac71fa 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -258,7 +258,7 @@ dependencies = [
  "getrandom 0.3.4",
  "hex",
  "humansize",
- "libarchive",
+ "libarchive-drop",
  "rcgen",
  "ring",
  "serde",
@@ -465,7 +465,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
-name = "libarchive"
+name = "libarchive-drop"
 version = "0.1.1"
 dependencies = [
  "libarchive3-sys",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index eb6ec359..2e21ce81 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -29,7 +29,7 @@ uuid = { version = "1.19.0", features = ["v4"] }
 sha2 = "0.10.9"
 futures = "0.3.31"
 getrandom = "0.3.4"
-libarchive = { version = "*", path = "./libarchive-rust" }
+libarchive-drop = { version = "*", path = "./libarchive-rust" }
 speedometer = "0.2.2"
 
 [dependencies.x509-parser]
diff --git a/libraries/droplet/libarchive-rust b/libraries/droplet/libarchive-rust
index 279fd5f7..c694faba 160000
--- a/libraries/droplet/libarchive-rust
+++ b/libraries/droplet/libarchive-rust
@@ -1 +1 @@
-Subproject commit 279fd5f727d5af50771cdfd660d657dff52c42f7
+Subproject commit c694faba63d2fc3d79c4fde70ebd699adcac9aae
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index 8ad90277..3459ecf0 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -7,7 +7,7 @@ pub mod versions;
 pub mod manifest;
 pub mod vm;
 
-extern crate libarchive;
+extern crate libarchive_drop;
 
 #[cfg(test)]
 pub mod tests;
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
index 2f8633ad..5729d1cc 100644
--- a/libraries/droplet/src/versions/archive_backend.rs
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -2,7 +2,7 @@ use std::{path::PathBuf, task::Poll};
 
 use anyhow::{anyhow};
 use async_trait::async_trait;
-use libarchive::{
+use libarchive_drop::{
     archive::{Entry, FileType, ReadCompression, ReadFormat},
     reader::{Builder, FileReader, Reader},
 };

From e7d69fc98d4c3d9fe3b5a1008cf1a6b9d8509b32 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:23:26 +1100
Subject: [PATCH 39/50] fix: update submodule type

---
 libraries/droplet/.gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/droplet/.gitmodules b/libraries/droplet/.gitmodules
index 8dfab4fd..d471795d 100644
--- a/libraries/droplet/.gitmodules
+++ b/libraries/droplet/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libarchive-rust"]
 	path = libarchive-rust
-	url = git@github.com:Drop-OSS/libarchive-rust.git
+	url = https://github.com/Drop-OSS/libarchive-rust.git

From 642e3363a717217e2062d8c3ea1b2655f779f0c6 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:28:27 +1100
Subject: [PATCH 40/50] fix: remove debug info

---
 libraries/droplet/src/manifest.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 02294aa0..9fe97ffc 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -44,7 +44,7 @@ pub struct Manifest {
     pub key: [u8; 16],
 }
 
-const CHUNK_SIZE: u64 = 1024 * 1024; //* 64;
+const CHUNK_SIZE: u64 = 1024 * 1024 * 64;
 const MAX_FILE_COUNT: usize = 512;
 
 use crate::versions::{
@@ -173,8 +173,6 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
 
             let mut chunk_length = 0;
 
-            println!("starting chunk {}", index);
-
             for (file, start, length) in chunk {
                 let permit = if let Some(reader_semaphore) = &reader_semaphore {
                     Some(reader_semaphore.acquire().await?)

From b513699ad9279556a0a6e8b65cded5f42e9d1383 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:28:43 +1100
Subject: [PATCH 41/50] bump version

---
 libraries/droplet/Cargo.lock | 2 +-
 libraries/droplet/Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 91ac71fa..da06adc3 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.16.0"
+version = "0.16.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 2e21ce81..ad409cac 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.16.0"
+version = "0.16.1"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 

From f5c4cbe18f6d7981d8bc7439b55584327d434993 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Sun, 1 Mar 2026 22:31:11 +1100
Subject: [PATCH 42/50] fix: remove final debug statement

---
 libraries/droplet/Cargo.lock                      | 2 +-
 libraries/droplet/Cargo.toml                      | 2 +-
 libraries/droplet/src/versions/archive_backend.rs | 1 -
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index da06adc3..02718197 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.16.1"
+version = "0.16.2"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index ad409cac..1497a77d 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.16.1"
+version = "0.16.2"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
index 5729d1cc..36890a86 100644
--- a/libraries/droplet/src/versions/archive_backend.rs
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -71,7 +71,6 @@ impl VersionBackend for ZipVersionBackend {
                 permission: 0o744,
                 size: header.size().try_into()?,
             });
-            println!("storing file {}", header.pathname());
         }
 
         Ok(results)

From 4cdcc3834954797762af83bcc34b922564ece7d5 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:09:22 +1100
Subject: [PATCH 43/50] feat: add tests

---
 libraries/droplet/.github/workflows/test.yml  |  42 ++++++
 libraries/droplet/Cargo.lock                  | 124 +++++++++++++-----
 libraries/droplet/Cargo.toml                  |   1 +
 libraries/droplet/src/lib.rs                  |   2 +-
 libraries/droplet/src/ssl.rs                  |   6 +-
 libraries/droplet/src/tests.rs                |  50 +++++--
 .../droplet/src/versions/archive_backend.rs   |   2 +-
 libraries/droplet/src/versions/mod.rs         |   5 +-
 .../droplet/src/versions/path_backend.rs      |  15 ++-
 libraries/droplet/src/versions/types.rs       |   1 -
 libraries/droplet/src/vm/mod.rs               |   1 +
 .../droplet/testfiles/bare_files/dotfile.7z   | Bin 0 -> 339 bytes
 .../testfiles/bare_files/emoji_filename.7z    | Bin 0 -> 347 bytes
 .../testfiles/bare_files/empty_file.7z        | Bin 0 -> 98 bytes
 .../file and archive with spaces.7z           | Bin 0 -> 371 bytes
 .../file_with_space_in_extension.7z           | Bin 0 -> 363 bytes
 .../testfiles/bare_files/file_with_spaces.7z  | Bin 0 -> 371 bytes
 .../bare_files/file_without_extension.7z      | Bin 0 -> 379 bytes
 ...filename_only_environment_variable_name.7z | Bin 0 -> 82 bytes
 .../bare_files/filename_with_asterisk.7z      | Bin 0 -> 98 bytes
 .../bare_files/filename_with_backslashes.7z   | Bin 0 -> 379 bytes
 .../bare_files/filename_with_colon.7z         | Bin 0 -> 98 bytes
 .../bare_files/filename_with_dollar.7z        | Bin 0 -> 98 bytes
 ...filename_with_environment_variable_name.7z | Bin 0 -> 106 bytes
 .../filename_with_full_windows_path_name.7z   | Bin 0 -> 122 bytes
 .../bare_files/filename_with_lessthan.7z      | Bin 0 -> 98 bytes
 .../bare_files/filename_with_newline.7z       | Bin 0 -> 98 bytes
 .../filename_with_spaces_and_backslashes.7z   | Bin 0 -> 419 bytes
 .../testfiles/bare_files/filename_with_tab.7z | Bin 0 -> 98 bytes
 ..._with_windows_environment_variable_name.7z | Bin 0 -> 90 bytes
 .../testfiles/bare_files/standard_archive.7z  | Bin 0 -> 347 bytes
 .../testfiles/bare_files/unicode_filename.7z  | Bin 0 -> 347 bytes
 .../bare_files/windows_reserved_file_name.7z  | Bin 0 -> 82 bytes
 .../subdirectories/dotsubdirectory.7z         | Bin 0 -> 413 bytes
 .../subdirectories/empty_dotsubdirectory.7z   | Bin 0 -> 106 bytes
 .../subdirectories/empty_subdirectory.7z      | Bin 0 -> 98 bytes
 ...ectory_and_file_with_double_backslashes.7z | Bin 0 -> 449 bytes
 .../subdirectory_and_file_with_spaces.7z      | Bin 0 -> 435 bytes
 ...bdirectory_file_with_double_backslashes.7z | Bin 0 -> 414 bytes
 .../subdirectory_with_backslashes.7z          | Bin 0 -> 130 bytes
 .../subdirectory_with_double_backslashes.7z   | Bin 0 -> 138 bytes
 .../subdirectory_with_single_backslashes.7z   | Bin 0 -> 438 bytes
 .../subdirectory_with_symlink_to_self.7z      | Bin 0 -> 263 bytes
 43 files changed, 190 insertions(+), 59 deletions(-)
 create mode 100644 libraries/droplet/.github/workflows/test.yml
 create mode 100644 libraries/droplet/testfiles/bare_files/dotfile.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/emoji_filename.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/empty_file.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/file and archive with spaces.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/file_with_space_in_extension.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/file_with_spaces.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/file_without_extension.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_only_environment_variable_name.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_asterisk.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_colon.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_dollar.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_environment_variable_name.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_full_windows_path_name.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_lessthan.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_newline.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_spaces_and_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_tab.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/filename_with_windows_environment_variable_name.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/standard_archive.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/unicode_filename.7z
 create mode 100644 libraries/droplet/testfiles/bare_files/windows_reserved_file_name.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/dotsubdirectory.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/empty_dotsubdirectory.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/empty_subdirectory.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_and_file_with_double_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_and_file_with_spaces.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_file_with_double_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_double_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_single_backslashes.7z
 create mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_symlink_to_self.7z

diff --git a/libraries/droplet/.github/workflows/test.yml b/libraries/droplet/.github/workflows/test.yml
new file mode 100644
index 00000000..049d389f
--- /dev/null
+++ b/libraries/droplet/.github/workflows/test.yml
@@ -0,0 +1,42 @@
+name: Rust CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  ci:
+    name: Build, Test, Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Cache cargo registry
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Run Clippy (lint)
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: Run tests
+        run: cargo test --all-features --all --verbose
\ No newline at end of file
diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index 02718197..cf7b8dac 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -61,8 +61,8 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "965c2d33e53cb6b267e148a4cb0760bc01f4904c1cd4bb4002a085bb016d1490"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
  "synstructure 0.13.1",
 ]
@@ -73,8 +73,8 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3109e49b1e4909e9db6515a30c633684d68cdeaa252f215214cb4fa1a5bfee2c"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
  "synstructure 0.13.1",
 ]
@@ -85,8 +85,8 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b18050c2cd6fe86c3a76584ef5e0baf286d038cda203eb6223df2cc413565f7"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -96,8 +96,8 @@ version = "0.1.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -242,8 +242,8 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -265,6 +265,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "speedometer",
+ "test-generator",
  "time",
  "tokio",
  "uuid",
@@ -293,8 +294,8 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 1.0.109",
  "synstructure 0.12.6",
 ]
@@ -353,8 +354,8 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -427,6 +428,12 @@ version = "0.32.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
 
+[[package]]
+name = "glob"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -637,6 +644,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.94"
@@ -646,13 +662,22 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2 0.4.30",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
 dependencies = [
- "proc-macro2",
+ "proc-macro2 1.0.94",
 ]
 
 [[package]]
@@ -747,8 +772,8 @@ version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -806,14 +831,25 @@ dependencies = [
  "failure",
 ]
 
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "unicode-ident",
 ]
 
@@ -823,8 +859,8 @@ version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "unicode-ident",
 ]
 
@@ -834,10 +870,10 @@ version = "0.12.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 1.0.109",
- "unicode-xid",
+ "unicode-xid 0.2.6",
 ]
 
 [[package]]
@@ -846,11 +882,23 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "test-generator"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b23be2add79223226e1cb6446cb3e37506a5927089870687a0f1149bb7a073a"
+dependencies = [
+ "glob",
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -875,8 +923,8 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -886,8 +934,8 @@ version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -943,8 +991,8 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
 ]
 
@@ -960,6 +1008,12 @@ version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.6"
@@ -1023,7 +1077,7 @@ version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
 dependencies = [
- "quote",
+ "quote 1.0.40",
  "wasm-bindgen-macro-support",
 ]
 
@@ -1034,8 +1088,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
 dependencies = [
  "bumpalo",
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.94",
+ "quote 1.0.40",
  "syn 2.0.117",
  "wasm-bindgen-shared",
 ]
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 1497a77d..0417f24b 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -31,6 +31,7 @@ futures = "0.3.31"
 getrandom = "0.3.4"
 libarchive-drop = { version = "*", path = "./libarchive-rust" }
 speedometer = "0.2.2"
+test-generator = "0.3.1"
 
 [dependencies.x509-parser]
 version = "0.17.0"
diff --git a/libraries/droplet/src/lib.rs b/libraries/droplet/src/lib.rs
index 3459ecf0..666a17bc 100644
--- a/libraries/droplet/src/lib.rs
+++ b/libraries/droplet/src/lib.rs
@@ -2,9 +2,9 @@
 #![feature(impl_trait_in_bindings)]
 
 pub mod file_utils;
+pub mod manifest;
 pub mod ssl;
 pub mod versions;
-pub mod manifest;
 pub mod vm;
 
 extern crate libarchive_drop;
diff --git a/libraries/droplet/src/ssl.rs b/libraries/droplet/src/ssl.rs
index 6f59e984..3a596497 100644
--- a/libraries/droplet/src/ssl.rs
+++ b/libraries/droplet/src/ssl.rs
@@ -1,5 +1,6 @@
 use rcgen::{
-    CertificateParams, DistinguishedName, Error, IsCa, KeyPair, KeyUsagePurpose, PublicKeyData, SubjectPublicKeyInfo
+    CertificateParams, DistinguishedName, Error, IsCa, KeyPair, KeyUsagePurpose, PublicKeyData,
+    SubjectPublicKeyInfo,
 };
 use ring::rand::SystemRandom;
 use ring::signature::{EcdsaKeyPair, VerificationAlgorithm};
@@ -42,8 +43,7 @@ pub fn generate_client_certificate(
     root_ca: String,
     root_ca_private: String,
 ) -> Result<Vec<String>, rcgen::Error> {
-    let root_key_pair =
-        KeyPair::from_pem(&root_ca_private)?;
+    let root_key_pair = KeyPair::from_pem(&root_ca_private)?;
     let certificate_params = CertificateParams::from_ca_cert_pem(&root_ca)?;
     let root_ca = CertificateParams::self_signed(certificate_params, &root_key_pair)?;
 
diff --git a/libraries/droplet/src/tests.rs b/libraries/droplet/src/tests.rs
index 99edf35b..d8d097f4 100644
--- a/libraries/droplet/src/tests.rs
+++ b/libraries/droplet/src/tests.rs
@@ -1,11 +1,45 @@
-use std::path::PathBuf;
+#![cfg(test)]
+extern crate test_generator;
 
-use crate::versions::create_backend_constructor;
+use std::path::Path;
 
-#[tokio::test]
-pub async fn test_7z_list() {
-    let zip_path = "/home/decduck/Dev/droplet/assets/TheGame.zip";
-    let mut backend = create_backend_constructor(&PathBuf::from(zip_path)).unwrap()().unwrap();
-    let files = backend.list_files().await.unwrap();
-    tokio::fs::write("./test.txt", format!("{:?}", files)).await.unwrap();
+use serde_json::json;
+use test_generator::test_resources;
+use tokio::{fs::File, io::AsyncWriteExt};
+
+use crate::manifest::generate_manifest_rusty;
+
+#[test_resources("testfiles/**/*.7z")]
+fn manifest_gen(resource: &str) {
+    let runtime = tokio::runtime::Builder::new_current_thread()
+        .enable_all()
+        .build()
+        .expect("failed to create tokio runtime");
+
+    runtime.block_on(async move {
+        let filepath = Path::new(resource);
+        let manifest = generate_manifest_rusty(
+            &filepath,
+            |_| {},
+            |message| {
+                println!("({}) {}", filepath.display(), message);
+            },
+            None,
+        )
+        .await
+        .expect(&format!(
+            "failed to generate manifest for {}",
+            filepath.display()
+        ));
+
+        let mut output_path = filepath.to_path_buf();
+        output_path.set_extension("json");
+
+        let mut file = File::create(output_path)
+            .await
+            .expect("failed to open output path");
+        file.write_all(json!(manifest).to_string().as_bytes())
+            .await
+            .expect("failed to write output");
+    });
 }
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
index 36890a86..bf1604fa 100644
--- a/libraries/droplet/src/versions/archive_backend.rs
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -1,6 +1,6 @@
 use std::{path::PathBuf, task::Poll};
 
-use anyhow::{anyhow};
+use anyhow::anyhow;
 use async_trait::async_trait;
 use libarchive_drop::{
     archive::{Entry, FileType, ReadCompression, ReadFormat},
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index 5549ff7c..e73be877 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -48,10 +48,7 @@ pub fn create_backend_constructor<'a>(
         }));
     };
 
-    let file_extension = path
-        .extension()
-        .map(|v| v.to_str())
-        .flatten()?;
+    let file_extension = path.extension().map(|v| v.to_str()).flatten()?;
 
     if SUPPORTED_FILE_EXTENSIONS
         .iter()
diff --git a/libraries/droplet/src/versions/path_backend.rs b/libraries/droplet/src/versions/path_backend.rs
index 5a0247fa..e3b70570 100644
--- a/libraries/droplet/src/versions/path_backend.rs
+++ b/libraries/droplet/src/versions/path_backend.rs
@@ -1,9 +1,6 @@
 #[cfg(unix)]
 use std::os::unix::fs::PermissionsExt;
-use std::{
-    io::SeekFrom,
-    path::PathBuf,
-};
+use std::{io::SeekFrom, path::PathBuf};
 
 use anyhow::anyhow;
 use async_trait::async_trait;
@@ -17,7 +14,10 @@ pub struct PathVersionBackend {
     pub base_dir: PathBuf,
 }
 
-use crate::versions::{_list_files, types::{MinimumFileObject, VersionBackend, VersionFile}};
+use crate::versions::{
+    _list_files,
+    types::{MinimumFileObject, VersionBackend, VersionFile},
+};
 
 #[async_trait]
 impl VersionBackend for PathVersionBackend {
@@ -34,7 +34,10 @@ impl VersionBackend for PathVersionBackend {
                 self.peek_file(
                     relative
                         .to_str()
-                        .ok_or(anyhow!("Could not parse path: {}", relative.to_string_lossy()))?
+                        .ok_or(anyhow!(
+                            "Could not parse path: {}",
+                            relative.to_string_lossy()
+                        ))?
                         .to_owned(),
                 )
                 .await?,
diff --git a/libraries/droplet/src/versions/types.rs b/libraries/droplet/src/versions/types.rs
index 317408da..d80c1b36 100644
--- a/libraries/droplet/src/versions/types.rs
+++ b/libraries/droplet/src/versions/types.rs
@@ -13,7 +13,6 @@ pub struct VersionFile {
 pub trait MinimumFileObject: AsyncRead + Send + Unpin {}
 impl<T: AsyncRead + Send + Unpin> MinimumFileObject for T {}
 
-
 #[async_trait]
 pub trait VersionBackend {
     fn require_whole_files(&self) -> bool;
diff --git a/libraries/droplet/src/vm/mod.rs b/libraries/droplet/src/vm/mod.rs
index e69de29b..8b137891 100644
--- a/libraries/droplet/src/vm/mod.rs
+++ b/libraries/droplet/src/vm/mod.rs
@@ -0,0 +1 @@
+
diff --git a/libraries/droplet/testfiles/bare_files/dotfile.7z b/libraries/droplet/testfiles/bare_files/dotfile.7z
new file mode 100644
index 0000000000000000000000000000000000000000..9c278ed2c4022b2b142c33416a7c403283cd7167
GIT binary patch
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literal 0
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diff --git a/libraries/droplet/testfiles/bare_files/emoji_filename.7z b/libraries/droplet/testfiles/bare_files/emoji_filename.7z
new file mode 100644
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GIT binary patch
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diff --git a/libraries/droplet/testfiles/bare_files/empty_file.7z b/libraries/droplet/testfiles/bare_files/empty_file.7z
new file mode 100644
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GIT binary patch
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diff --git a/libraries/droplet/testfiles/bare_files/file and archive with spaces.7z b/libraries/droplet/testfiles/bare_files/file and archive with spaces.7z
new file mode 100644
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diff --git a/libraries/droplet/testfiles/bare_files/file_with_space_in_extension.7z b/libraries/droplet/testfiles/bare_files/file_with_space_in_extension.7z
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GIT binary patch
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diff --git a/libraries/droplet/testfiles/bare_files/file_with_spaces.7z b/libraries/droplet/testfiles/bare_files/file_with_spaces.7z
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GIT binary patch
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diff --git a/libraries/droplet/testfiles/bare_files/file_without_extension.7z b/libraries/droplet/testfiles/bare_files/file_without_extension.7z
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diff --git a/libraries/droplet/testfiles/bare_files/filename_only_environment_variable_name.7z b/libraries/droplet/testfiles/bare_files/filename_only_environment_variable_name.7z
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diff --git a/libraries/droplet/testfiles/bare_files/filename_with_asterisk.7z b/libraries/droplet/testfiles/bare_files/filename_with_asterisk.7z
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diff --git a/libraries/droplet/testfiles/bare_files/filename_with_backslashes.7z b/libraries/droplet/testfiles/bare_files/filename_with_backslashes.7z
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new file mode 100644
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diff --git a/libraries/droplet/testfiles/bare_files/filename_with_windows_environment_variable_name.7z b/libraries/droplet/testfiles/bare_files/filename_with_windows_environment_variable_name.7z
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LXm{YlaRvqeEl+G^

literal 0
HcmV?d00001


From 275ed25a637a15c5a9a604e088ad50624c48d10c Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:11:09 +1100
Subject: [PATCH 44/50] fix: submodules

---
 libraries/droplet/.github/workflows/test.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libraries/droplet/.github/workflows/test.yml b/libraries/droplet/.github/workflows/test.yml
index 049d389f..db2764e6 100644
--- a/libraries/droplet/.github/workflows/test.yml
+++ b/libraries/droplet/.github/workflows/test.yml
@@ -17,6 +17,12 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          submodules: true
+          fetch-depth: 3 # fix for when this gets triggered by tag
+          fetch-tags: true
+          ref: ${{ github.ref }}
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable

From c006549e954a4b9100a5470ae859d19bc1787a92 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:12:02 +1100
Subject: [PATCH 45/50] fix: libarchive fmt and use nightly toolchain

---
 libraries/droplet/.github/workflows/test.yml | 2 +-
 libraries/droplet/libarchive-rust            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/droplet/.github/workflows/test.yml b/libraries/droplet/.github/workflows/test.yml
index db2764e6..de76641d 100644
--- a/libraries/droplet/.github/workflows/test.yml
+++ b/libraries/droplet/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt, clippy
 
diff --git a/libraries/droplet/libarchive-rust b/libraries/droplet/libarchive-rust
index c694faba..bf474266 160000
--- a/libraries/droplet/libarchive-rust
+++ b/libraries/droplet/libarchive-rust
@@ -1 +1 @@
-Subproject commit c694faba63d2fc3d79c4fde70ebd699adcac9aae
+Subproject commit bf47426655a9a6c537be753b8c4189191d2ef656

From 94d3dd503a36ba7eeede44a3e045f8536aab4d1a Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:14:25 +1100
Subject: [PATCH 46/50] fix: install libarchive in ci

---
 libraries/droplet/.github/workflows/test.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/droplet/.github/workflows/test.yml b/libraries/droplet/.github/workflows/test.yml
index de76641d..02c5c64c 100644
--- a/libraries/droplet/.github/workflows/test.yml
+++ b/libraries/droplet/.github/workflows/test.yml
@@ -38,6 +38,11 @@ jobs:
             target
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
+      - name: Install libarchive
+        run: |
+          sudo apt-get install libarchive-dev -y
+        
+
       - name: Check formatting
         run: cargo fmt --all -- --check
 

From 14346301a364f7c28960f7ceb0d9aa818b437bb6 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:24:39 +1100
Subject: [PATCH 47/50] fix: clippy lints

---
 libraries/droplet/libarchive-rust             |  2 +-
 libraries/droplet/src/main.rs                 | 37 +------------------
 libraries/droplet/src/manifest.rs             |  5 +--
 libraries/droplet/src/tests.rs                | 13 ++++---
 .../droplet/src/versions/archive_backend.rs   |  2 +-
 libraries/droplet/src/versions/mod.rs         |  8 ++--
 6 files changed, 18 insertions(+), 49 deletions(-)

diff --git a/libraries/droplet/libarchive-rust b/libraries/droplet/libarchive-rust
index bf474266..fdb73ef2 160000
--- a/libraries/droplet/libarchive-rust
+++ b/libraries/droplet/libarchive-rust
@@ -1 +1 @@
-Subproject commit bf47426655a9a6c537be753b8c4189191d2ef656
+Subproject commit fdb73ef2dedb031e396153113ff9eee4ee082dc2
diff --git a/libraries/droplet/src/main.rs b/libraries/droplet/src/main.rs
index c512fe89..b37cc682 100644
--- a/libraries/droplet/src/main.rs
+++ b/libraries/droplet/src/main.rs
@@ -1,4 +1,4 @@
-use std::{env, os::unix::fs::MetadataExt, path::PathBuf};
+use std::{env, path::PathBuf};
 
 use droplet_rs::manifest::generate_manifest_rusty;
 use tokio::runtime::Handle;
@@ -11,7 +11,7 @@ pub async fn main() {
     let metrics = Handle::current().metrics();
     println!("using {} workers", metrics.num_workers());
 
-    let manifest = generate_manifest_rusty(
+    let _manifest = generate_manifest_rusty(
         &target_dir,
         |progress| println!("PROGRESS: {}", progress),
         |message| {
@@ -21,37 +21,4 @@ pub async fn main() {
     )
     .await
     .unwrap();
-
-    return;
-
-    // Sanity checks
-    for (_, chunk_data) in manifest.chunks {
-        for file in chunk_data.files {
-            let path = target_dir.join(file.filename);
-            if !path.exists() {
-                panic!("{} doesn't exist", path.display());
-            }
-
-            let metadata = path.metadata().expect("failed to fetch metadata");
-            let file_size = metadata.size();
-            if file.start > file_size as usize {
-                panic!(
-                    "start for {} doesn't make sense: start: {}, size: {}",
-                    path.display(),
-                    file.start,
-                    file_size
-                );
-            }
-
-            let end_position = file.start + file.length;
-            if end_position > file_size as usize {
-                panic!(
-                    "end for {} doesn't make sense: end: {}, size: {}",
-                    path.display(),
-                    end_position,
-                    file_size
-                );
-            }
-        }
-    }
 }
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 9fe97ffc..964f2ec5 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -1,6 +1,5 @@
 use std::{
     collections::HashMap,
-    future::Future,
     mem,
     path::Path,
     sync::{
@@ -146,8 +145,8 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let total_manifest_length = Arc::new(AtomicU64::new(0));
 
     // SAFETY: we .join_all() the futures using this
-    let backend: &'static Box<dyn VersionBackend + Send + Sync> =
-        unsafe { mem::transmute(&backend) };
+    let backend: &'static (dyn VersionBackend + Send + Sync) =
+        unsafe { mem::transmute(&*backend) };
 
     let mut futures: JoinSet<Result<(), anyhow::Error>> = JoinSet::new();
     let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);
diff --git a/libraries/droplet/src/tests.rs b/libraries/droplet/src/tests.rs
index d8d097f4..2b69c70c 100644
--- a/libraries/droplet/src/tests.rs
+++ b/libraries/droplet/src/tests.rs
@@ -19,7 +19,7 @@ fn manifest_gen(resource: &str) {
     runtime.block_on(async move {
         let filepath = Path::new(resource);
         let manifest = generate_manifest_rusty(
-            &filepath,
+            filepath,
             |_| {},
             |message| {
                 println!("({}) {}", filepath.display(), message);
@@ -27,10 +27,13 @@ fn manifest_gen(resource: &str) {
             None,
         )
         .await
-        .expect(&format!(
-            "failed to generate manifest for {}",
-            filepath.display()
-        ));
+        .unwrap_or_else(|err| {
+            panic!(
+                "failed to generate manifest for {}: {:?}",
+                filepath.display(),
+                err
+            )
+        });
 
         let mut output_path = filepath.to_path_buf();
         output_path.set_extension("json");
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
index bf1604fa..75f84de6 100644
--- a/libraries/droplet/src/versions/archive_backend.rs
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -49,7 +49,7 @@ impl AsyncRead for ArchiveReader {
         };
 
         buf.put_slice(block);
-        return Poll::Ready(Ok(()));
+        Poll::Ready(Ok(()))
     }
 }
 
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index e73be877..6f3023c8 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -28,11 +28,12 @@ pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
     Ok(())
 }
 
-const SUPPORTED_FILE_EXTENSIONS: [&'static str; 11] = [
+const SUPPORTED_FILE_EXTENSIONS: [&str; 11] = [
     "tar", "pax", "cpio", "zip", "jar", "ar", "xar", "rar", "rpm", "7z", "iso",
 ];
 
 pub mod types;
+#[allow(clippy::type_complexity)]
 pub fn create_backend_constructor<'a>(
     path: &Path,
 ) -> Option<Box<dyn FnOnce() -> Result<Box<dyn VersionBackend + Send + Sync + 'a>>>> {
@@ -48,11 +49,10 @@ pub fn create_backend_constructor<'a>(
         }));
     };
 
-    let file_extension = path.extension().map(|v| v.to_str()).flatten()?;
+    let file_extension = path.extension().and_then(|v| v.to_str())?;
 
     if SUPPORTED_FILE_EXTENSIONS
-        .iter()
-        .any(|v| *v == file_extension)
+        .contains(&file_extension)
     {
         let buf = path.to_path_buf();
         return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));

From 10b66a9e323f99e938cdbd0b81fa3076ebc58167 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:26:11 +1100
Subject: [PATCH 48/50] fix: cargo fmt

---
 libraries/droplet/src/manifest.rs     | 3 +--
 libraries/droplet/src/versions/mod.rs | 4 +---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index 964f2ec5..f634be16 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -145,8 +145,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let total_manifest_length = Arc::new(AtomicU64::new(0));
 
     // SAFETY: we .join_all() the futures using this
-    let backend: &'static (dyn VersionBackend + Send + Sync) =
-        unsafe { mem::transmute(&*backend) };
+    let backend: &'static (dyn VersionBackend + Send + Sync) = unsafe { mem::transmute(&*backend) };
 
     let mut futures: JoinSet<Result<(), anyhow::Error>> = JoinSet::new();
     let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);
diff --git a/libraries/droplet/src/versions/mod.rs b/libraries/droplet/src/versions/mod.rs
index 6f3023c8..89874d1b 100644
--- a/libraries/droplet/src/versions/mod.rs
+++ b/libraries/droplet/src/versions/mod.rs
@@ -51,9 +51,7 @@ pub fn create_backend_constructor<'a>(
 
     let file_extension = path.extension().and_then(|v| v.to_str())?;
 
-    if SUPPORTED_FILE_EXTENSIONS
-        .contains(&file_extension)
-    {
+    if SUPPORTED_FILE_EXTENSIONS.contains(&file_extension) {
         let buf = path.to_path_buf();
         return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));
     }

From e5fd8f88774cf565bb63f0e0c9566bebfe71384b Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:31:37 +1100
Subject: [PATCH 49/50] fix: update tests with fail condition

---
 libraries/droplet/src/tests.rs                |  20 ++++++++----------
 .../testfiles/bare_files/emoji_filename.7z    | Bin 347 -> 0 bytes
 .../testfiles/bare_files/unicode_filename.7z  | Bin 347 -> 0 bytes
 .../subdirectories/empty_dotsubdirectory.7z   | Bin 106 -> 0 bytes
 .../subdirectories/empty_subdirectory.7z      | Bin 98 -> 0 bytes
 .../subdirectory_with_backslashes.7z          | Bin 130 -> 0 bytes
 .../subdirectory_with_double_backslashes.7z   | Bin 138 -> 0 bytes
 .../subdirectory_with_symlink_to_self.7z      | Bin 263 -> 0 bytes
 8 files changed, 9 insertions(+), 11 deletions(-)
 delete mode 100644 libraries/droplet/testfiles/bare_files/emoji_filename.7z
 delete mode 100644 libraries/droplet/testfiles/bare_files/unicode_filename.7z
 delete mode 100644 libraries/droplet/testfiles/subdirectories/empty_dotsubdirectory.7z
 delete mode 100644 libraries/droplet/testfiles/subdirectories/empty_subdirectory.7z
 delete mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_backslashes.7z
 delete mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_double_backslashes.7z
 delete mode 100644 libraries/droplet/testfiles/subdirectories/subdirectory_with_symlink_to_self.7z

diff --git a/libraries/droplet/src/tests.rs b/libraries/droplet/src/tests.rs
index 2b69c70c..0b81dd15 100644
--- a/libraries/droplet/src/tests.rs
+++ b/libraries/droplet/src/tests.rs
@@ -3,9 +3,7 @@ extern crate test_generator;
 
 use std::path::Path;
 
-use serde_json::json;
 use test_generator::test_resources;
-use tokio::{fs::File, io::AsyncWriteExt};
 
 use crate::manifest::generate_manifest_rusty;
 
@@ -35,14 +33,14 @@ fn manifest_gen(resource: &str) {
             )
         });
 
-        let mut output_path = filepath.to_path_buf();
-        output_path.set_extension("json");
-
-        let mut file = File::create(output_path)
-            .await
-            .expect("failed to open output path");
-        file.write_all(json!(manifest).to_string().as_bytes())
-            .await
-            .expect("failed to write output");
+        let first_chunk = manifest
+            .chunks
+            .values()
+            .next()
+            .expect("no chunks generated");
+        let first_chunk_length = first_chunk.files.len();
+        if first_chunk_length == 0 {
+            panic!("{} has no files in manifest", filepath.display());
+        }
     });
 }
diff --git a/libraries/droplet/testfiles/bare_files/emoji_filename.7z b/libraries/droplet/testfiles/bare_files/emoji_filename.7z
deleted file mode 100644
index f65e7d1e5a5471455caa6c0423532b2028b932a1..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 347
zcmXr7+Ou9=hJi)qOvaao3=j|nr7aF$W_bVqKf}#f28R5<|Nk%E{@>lsL$t^;F>uEu
zjc1G7*nhrzBG+_T|EQG>qxZ(TlU-fD`ipsQ)-QY9qbwNwAX4IJY1gCjAKRwX^JE>k
zSK^uS=w(dsCYBrDU3gZ<^X9s}e0sR7WBau5HQRh2X3FOO_U;hKaXQ^$AH&dp!Ee2q
z#*{*N+kTaY1@o3G$G_1y-Fk8AjIKJZiJ#O<ze^rqo8dd-?~V0WC-5Ip4gT?UqM0G<
z(hcwO4;J{k^IV)LxN2>J?5=Yg)g@vg+g_#xMeKW7wkGn)(`Z(XpT}>l{qs9W>-&?b
zstgQ_ENl#noDB~d*tr=Q7!?&61$Zt1{m;S0DD%o<IRgVLqa-IZJQx@R`5EkPG~Cr=
mNM)#CC;<vfvVi17xEL8kX3q*awek+5C>tY#Lc@|q1_l655Q#JZ

diff --git a/libraries/droplet/testfiles/bare_files/unicode_filename.7z b/libraries/droplet/testfiles/bare_files/unicode_filename.7z
deleted file mode 100644
index 57999040802b169095d4a739ebd27391bddfdc91..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 347
zcmXr7+Ou9=hJoeugU=TpGC)8Sl%61bYr^~g{~2z^GBD)-{r`XQ_W$m79->8-iGe#N
zX*^rp#{To&6S=0#`bVv77`->vo$TuJ)nCkevwqp*9%aGc2ays-OS>MG|JXLAo+s<T
zy%NuqM=xW7H?iFK?!vP=o;TO+<<rAu9owgcui57NFjF@Fw|9p?j??K5`xu7)3x4a>
zG^P~F+xDwGESR@kIsT2t>DG%=XLQwRP5h)@`d#t>+YH|se{Zb6I)VR)YVeP*6U_`+
zmu`5Mf3U#Uo#*02!BuM$WOtq0s4fu`+4eFmC}Q8svNe%Uo<_5B{5*bZ?VsO4THl{c
zRb^mcWMN}q<ZO7zz|PIcz^JImD8O?8=zk6_MwwR@%NZD086`QP;laQlD9n(?@SY)u
p;WdLELn=cBLkUnyl0k%vkwIkktdLVH?=Xt8F)}DLENNt5001N&iq-%C

diff --git a/libraries/droplet/testfiles/subdirectories/empty_dotsubdirectory.7z b/libraries/droplet/testfiles/subdirectories/empty_dotsubdirectory.7z
deleted file mode 100644
index 40cfafe9410d3a32e3352fc67567c29d4b435131..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 106
zcmXr7+Ou9=hJoeiq<gCwpuh`CTVMC>WMpOJV{DLQ1q%r(Gw3m-Fyu3oFcdSCG9&@n
rnG8h?sSL?Lk$fPl5~xg)L4=EuLC-eV^YqF)jG}Ce3<3>r9T^w^Nk9~K

diff --git a/libraries/droplet/testfiles/subdirectories/empty_subdirectory.7z b/libraries/droplet/testfiles/subdirectories/empty_subdirectory.7z
deleted file mode 100644
index c58de4c1a472735a5e8f020fd824eafa3a6aeb87..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 98
zcmXr7+Ou9=hJhvWoAgu$C~$((Ps~=-FtRf8F*ZoDf`tU78HyQ78Il-M7%~}(7*ZLM
m8A=%PfvifPv?PNF7bAmR(o50PEAKFhvN19UG`w|WU;qGx6cXbA

diff --git a/libraries/droplet/testfiles/subdirectories/subdirectory_with_backslashes.7z b/libraries/droplet/testfiles/subdirectories/subdirectory_with_backslashes.7z
deleted file mode 100644
index 44f867e9343da299de22c9497a3c90616bbac38f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 130
zcmXr7+Ou9=hJj_S!{h@DP>=+rZ@*g7$;isc$Jijr3KkNyWhiDSWk_O3VaQ}CVn}63
zW+-9E2eK*|Vi?MSVkHb2Kvoh%B2Xq9s5S@4Dh7(B0!ao25iUjsJ=<K*(<|>Vin1{>
L2sFHPWMBXQu^t+1

diff --git a/libraries/droplet/testfiles/subdirectories/subdirectory_with_double_backslashes.7z b/libraries/droplet/testfiles/subdirectories/subdirectory_with_double_backslashes.7z
deleted file mode 100644
index a0ee82a6b7f69ade57d7e275eeb85a42336e9494..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 138
zcmXr7+Ou9=hJnS&u*Zb~3bLT|D&c?27+D$l7#k#6!9s$L48;tk3`q<r44Di?45<vs
z3?&TtKvpF~3=ozBMN1em!0aT3M4)UoP<;-NRSXnO1(FO5l1vN?B3z6NdbYWqr&r!#
P6lG&%5NLSo$iM&qzb6^Z

diff --git a/libraries/droplet/testfiles/subdirectories/subdirectory_with_symlink_to_self.7z b/libraries/droplet/testfiles/subdirectories/subdirectory_with_symlink_to_self.7z
deleted file mode 100644
index ffcae23e855b3d18050b2e916d6ddeb11e05a54c..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 263
zcmXr7+Ou9=hJmGVre?)a1_)4s(tUR&q8S((8%0|uSS7FW3H5!jT;q>nn8y#*sOZa|
z_a@cf;^1gdI{anN!H{K6iSwQ)7@yCZbLD5>BBn^~t5+BwPZPe(bLl|OmA#Xib0ad^
zk~d4N%V)4H4RA0FH2ePci=a@h-upF9Or;#s3HMcH4j$a$SF=cLvh38~GVkN1FSQ-$
zd(ZcHPuk6V+jj1x+x54f)_?Klbd-F5uG^kP<Wa^#yHk>Df7DepA6fnG1}lSU;nk?M
z3$|6g`)nBJxvb)eHg|c^g4X%Zg%TJT#Mu}aIU9~LuyZpqFe)=MGP1@pI505qY@Wo$
LXm{YlaRvqeEl+G^


From 5f57fa8b4b5f3e19bda51b5313700bf172022280 Mon Sep 17 00:00:00 2001
From: DecDuck <declanahofmeyr@gmail.com>
Date: Mon, 2 Mar 2026 22:53:45 +1100
Subject: [PATCH 50/50] fix: panic on readbuf too small for block

---
 libraries/droplet/Cargo.lock                  |  2 +-
 libraries/droplet/Cargo.toml                  |  2 +-
 libraries/droplet/src/manifest.rs             |  9 ++--
 .../droplet/src/versions/archive_backend.rs   | 41 ++++++++++++++++---
 4 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/libraries/droplet/Cargo.lock b/libraries/droplet/Cargo.lock
index cf7b8dac..2a1665cf 100644
--- a/libraries/droplet/Cargo.lock
+++ b/libraries/droplet/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "droplet-rs"
-version = "0.16.2"
+version = "0.16.3"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/libraries/droplet/Cargo.toml b/libraries/droplet/Cargo.toml
index 0417f24b..5db83ec1 100644
--- a/libraries/droplet/Cargo.toml
+++ b/libraries/droplet/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 authors = ["Drop-OSS"]
 name = "droplet-rs"
-version = "0.16.2"
+version = "0.16.3"
 license = "AGPL-3.0-only"
 description = "Droplet is a `napi.rs` Rust/Node.js package full of high-performance and low-level utils for Drop"
 
diff --git a/libraries/droplet/src/manifest.rs b/libraries/droplet/src/manifest.rs
index f634be16..f4c80138 100644
--- a/libraries/droplet/src/manifest.rs
+++ b/libraries/droplet/src/manifest.rs
@@ -156,7 +156,7 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
         let manifest = manifest.clone();
         let reader_semaphore = reader_semaphore.clone();
         futures.spawn(async move {
-            let mut read_buf = vec![0; 1024 * 1024 * 64];
+            let mut read_buf = vec![0u8; 1024 * 1024 * 8];
 
             let uuid = uuid::Uuid::new_v4().to_string();
             let mut hasher = Sha256::new();
@@ -189,9 +189,10 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
                     }
                     total += amount;
                     hasher.update(&read_buf[0..amount]);
-                    if total as u64 > length {
-                        panic!("read too much: target {}, got {}", length, total);
-                    }
+                }
+
+                if total as u64 > length {
+                    panic!("read too much: target {}, got {}", length, total);
                 }
 
                 chunk_length += length;
diff --git a/libraries/droplet/src/versions/archive_backend.rs b/libraries/droplet/src/versions/archive_backend.rs
index 75f84de6..2c0b4f22 100644
--- a/libraries/droplet/src/versions/archive_backend.rs
+++ b/libraries/droplet/src/versions/archive_backend.rs
@@ -28,27 +28,53 @@ impl ZipVersionBackend {
     }
 }
 
-struct ArchiveReader {
+struct ArchiveReader<'a> {
     archive: FileReader,
+    prev_block: Option<&'a [u8]>,
 }
 
-impl AsyncRead for ArchiveReader {
+impl<'a> AsyncRead for ArchiveReader<'a> {
     fn poll_read(
-        self: std::pin::Pin<&mut Self>,
+        mut self: std::pin::Pin<&mut Self>,
         _cx: &mut std::task::Context<'_>,
         buf: &mut tokio::io::ReadBuf<'_>,
     ) -> std::task::Poll<std::io::Result<()>> {
+        if let Some(block) = &mut self.prev_block {
+            let to_read = buf.remaining().min(block.len());
+            let result = block.split_off(..to_read);
+            let result = result.unwrap(); // SAFETY: above .min statement
+            buf.put_slice(result);
+
+            // If the block is empty, we can read more
+            if block.is_empty() {
+                self.prev_block = None;
+            } else {
+                return Poll::Ready(Ok(()));
+            }
+        }
         let block = match self.archive.read_block() {
             Ok(v) => v,
             Err(err) => return Poll::Ready(Err(std::io::Error::other(err.to_string()))),
         };
 
-        let block = match block {
+        let mut block = match block {
             Some(v) => v,
             None => return Poll::Ready(Ok(())),
         };
 
-        buf.put_slice(block);
+        let write_amount = buf.remaining().min(block.len());
+        let to_write = block.split_off(..write_amount);
+        let to_write = to_write.unwrap(); // SAFETY: above .min statement
+        buf.put_slice(to_write);
+
+        if !block.is_empty() {
+            #[cfg(debug_assertions)]
+            if self.prev_block.is_some() {
+                panic!("replacing prev_block while it contains data")
+            }
+            self.prev_block.replace(&block[buf.remaining()..]);
+        }
+
         Poll::Ready(Ok(()))
     }
 }
@@ -95,7 +121,10 @@ impl VersionBackend for ZipVersionBackend {
             }
         }
 
-        Ok(Box::new(ArchiveReader { archive }))
+        Ok(Box::new(ArchiveReader {
+            archive,
+            prev_block: None,
+        }))
     }
 
     async fn peek_file(&self, sub_path: String) -> anyhow::Result<VersionFile> {