Parse .getkey.log

LibIRD/ReIRD.cs

@@ -184,6 +184,44 @@ namespace LibIRD
 
         #region Constructors
 
+        /// <summary>
+        /// Constructor using .getkey.log for Disc Key
+        /// </summary>
+        /// <param name="isoPath">Path to the ISO</param>
+        /// <param name="getKeyLog">Path to the GetKey log file</param>
+        /// <exception cref="ArgumentNullException"></exception>
+        /// <exception cref="FileNotFoundException"></exception>
+        /// <exception cref="InvalidDataException"></exception>
+        public ReIRD(string isoPath, string getKeyLog)
+        {
+            // Validate ISO path
+            if (isoPath == null || isoPath.Length <= 0)
+                throw new ArgumentNullException(nameof(isoPath));
+
+            // Check file exists
+            var iso = new FileInfo(isoPath);
+            if (!iso.Exists)
+                throw new FileNotFoundException(isoPath);
+
+            // Calculate size of ISO
+            long size = iso.Length;
+
+            // Parse .getkey.log for the Disc Key (Data1Key)
+            ParseGetKeyLog(getKeyLog);
+
+            // Generate Data 2 using Disc ID, discarding ID from getKeyLog
+            GenerateD2(GenerateID(size));
+
+            // Generate Disc PIC, discarding PIC from getKeyLog
+            GeneratePIC(size);
+
+            // Generate Unique Identifier using ISO CRC32
+            GenerateUID(isoPath);
+
+            // Generate the IRD hashes
+            Generate(isoPath);
+        }
+
         /// <summary>
         /// Constructor with required redump-style IRD fields
         /// </summary>
@@ -205,9 +243,6 @@ namespace LibIRD
             // Calculate size of ISO
             long size = iso.Length;
 
-            // Generate Unique Identifier using ISO CRC32
-            GenerateUID(isoPath);
-
             // Generate Data 1 using Disc Key
             GenerateD1(key);
 
@@ -217,6 +252,9 @@ namespace LibIRD
             // Generate Disc PIC
             GeneratePIC(size);
 
+            // Generate Unique Identifier using ISO CRC32
+            GenerateUID(isoPath);
+
             // Generate the IRD hashes
             Generate(isoPath);
         }