Pdf Import Rewrite

Pdf Import rewritten to greatly improve QR Code detection, reduce
reliance on iTextSharp and improve thumbnails. Fixes #50

Disco.Services/Interop/ActiveDirectory/ActiveDirectoryExtensions.cs

@@ -1,13 +1,12 @@
-using System;
+using Disco.Models.Repository;
+using Disco.Services.Interop.ActiveDirectory;
 using System.Collections.Generic;
 using System.DirectoryServices;
 using System.DirectoryServices.ActiveDirectory;
 using System.Linq;
 using System.Net.NetworkInformation;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace Disco.Services.Interop.ActiveDirectory
+namespace Disco.Services
 {
     public static class ActiveDirectoryExtensions
     {
@@ -98,6 +97,17 @@ namespace Disco.Services.Interop.ActiveDirectory
 
         #endregion
 
+        public static ADUserAccount ActiveDirectoryAccount(this User User, params string[] AdditionalProperties)
+        {
+            return ActiveDirectory.RetrieveADUserAccount(User.UserId, AdditionalProperties);
+        }
 
+        public static ADMachineAccount ActiveDirectoryAccount(this Device Device, params string[] AdditionalProperties)
+        {
+            if (ActiveDirectory.IsValidDomainAccountId(Device.DeviceDomainId))
+                return ActiveDirectory.RetrieveADMachineAccount(Device.DeviceDomainId, AdditionalProperties: AdditionalProperties);
+            else
+                return null;
+        }
     }
 }

Disco.Services/Interop/MimeTypes.cs

@@ -0,0 +1,81 @@
+using Microsoft.Win32;
+
+namespace Disco.Services.Interop
+{
+    public static class MimeTypes
+    {
+        public static string ResolveMimeType(string Filename)
+        {
+            string fileExtension;
+            if (Filename.Contains("."))
+                fileExtension = Filename.Substring(Filename.LastIndexOf(".") + 1).ToLower();
+            else
+                fileExtension = Filename.ToLower();
+
+            // Try Known Mime Types
+            switch (fileExtension)
+            {
+                case "pdf":
+                    return "application/pdf";
+                case "doc":
+                    return "application/msword";
+                case "docx":
+                    return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
+                case "docm":
+                    return "application/vnd.ms-word.document.macroEnabled.12";
+                case "xml":
+                    return "text/xml";
+                case "xls":
+                    return "application/vnd.ms-excel";
+                case "xlsx":
+                    return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+                case "xlsm":
+                    return "application/vnd.ms-excel.sheet.macroEnabled.12";
+                case "csv":
+                    return "application/vnd.ms-excel";
+                case "jpg":
+                    return "image/jpeg";
+                case "gif":
+                    return "image/gif";
+                case "png":
+                    return "image/png";
+                case "bmp":
+                    return "image/bmp";
+                case "avi":
+                    return "video/avi";
+                case "mpeg":
+                case "mpg":
+                    return "video/mpeg";
+                case "mp3":
+                    return "audio/mpeg";
+                case "mp4":
+                    return "video/mp4";
+                case "wmv":
+                    return "video/x-ms-wmv";
+                case "mov":
+                    return "video/quicktime";
+            }
+
+            // Check System Registry
+            try
+            {
+                RegistryKey regExtensionKey = Registry.ClassesRoot.OpenSubKey("." + fileExtension);
+                if (regExtensionKey != null)
+                {
+                    string regExtensionContentType = regExtensionKey.GetValue("Content Type") as string;
+                    if (regExtensionContentType != null)
+                    {
+                        return regExtensionContentType;
+                    }
+                }
+            }
+            catch
+            {
+                // Ignore Errors
+            }
+
+            // Return Default
+            return "unknown/unknown";
+        }
+    }
+}