From 383e6bdfce49d9a9ce8eae102891ba7cbd9822ee Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Wed, 19 Feb 2025 15:36:36 -0500
Subject: [PATCH] Add info to interface; add start of implementations

---
 NDecrypt.Core/DSTool.cs      | 11 +++++
 NDecrypt.Core/ITool.cs       |  7 +++
 NDecrypt.Core/ThreeDSTool.cs | 85 ++++++++++++++++++++----------------
 NDecrypt/Program.cs          |  5 ++-
 4 files changed, 70 insertions(+), 38 deletions(-)

diff --git a/NDecrypt.Core/DSTool.cs b/NDecrypt.Core/DSTool.cs
index c391bf7..7489b64 100644
--- a/NDecrypt.Core/DSTool.cs
+++ b/NDecrypt.Core/DSTool.cs
@@ -585,6 +585,17 @@ namespace NDecrypt.Core
 
         #endregion
 
+        #region Info
+
+        /// <inheritdoc/>
+        public string? GetInformation(string filename)
+        {
+            // TODO: Get decryption status
+            return null;
+        }
+
+        #endregion
+
         #region Common
 
         /// <summary>
diff --git a/NDecrypt.Core/ITool.cs b/NDecrypt.Core/ITool.cs
index ee526a8..b9a3391 100644
--- a/NDecrypt.Core/ITool.cs
+++ b/NDecrypt.Core/ITool.cs
@@ -17,5 +17,12 @@
         /// <param name="force">Indicates if the operation should be forced</param>
         /// <returns>True if the file could be decrypted, false otherwise</returns>
         bool DecryptFile(string filename, bool force);
+
+        /// <summary>
+        /// Attempts to get information on an input file
+        /// </summary>
+        /// <param name="filename">Name of the file get information on</param>
+        /// <returns>String representing the info, null on error</returns>
+        string? GetInformation(string filename);
     }
 }
diff --git a/NDecrypt.Core/ThreeDSTool.cs b/NDecrypt.Core/ThreeDSTool.cs
index 2a7a0a0..66272ad 100644
--- a/NDecrypt.Core/ThreeDSTool.cs
+++ b/NDecrypt.Core/ThreeDSTool.cs
@@ -31,41 +31,7 @@ namespace NDecrypt.Core
             _decryptArgs = decryptArgs;
         }
 
-        /// <inheritdoc/>
-        public bool EncryptFile(string filename, bool force)
-        {
-            // Ensure the constants are all set
-            if (_decryptArgs.IsReady != true)
-            {
-                Console.WriteLine("Could not read keys. Please make sure the file exists and try again.");
-                return false;
-            }
-
-            try
-            {
-                // Open the read and write on the same file for inplace processing
-                using var input = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
-                using var output = File.Open(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
-
-                // Deserialize the cart information
-                var cart = N3DS.Create(input);
-                if (cart?.Model == null)
-                {
-                    Console.WriteLine("Error: Not a 3DS cart image!");
-                    return false;
-                }
-
-                // Encrypt all 8 NCCH partitions
-                EncryptAllPartitions(cart, force, input, output);
-                return true;
-            }
-            catch
-            {
-                Console.WriteLine($"An error has occurred. {filename} may be corrupted if it was partially processed.");
-                Console.WriteLine("Please check that the file was a valid 3DS or New 3DS cart image and try again.");
-                return false;
-            }
-        }
+        #region Decrypt
 
         /// <inheritdoc/>
         public bool DecryptFile(string filename, bool force)
@@ -103,8 +69,6 @@ namespace NDecrypt.Core
             }
         }
 
-        #region Decrypt
-
         /// <summary>
         /// Decrypt all partitions in the partition table of an NCSD header
         /// </summary>
@@ -478,6 +442,42 @@ namespace NDecrypt.Core
 
         #region Encrypt
 
+        /// <inheritdoc/>
+        public bool EncryptFile(string filename, bool force)
+        {
+            // Ensure the constants are all set
+            if (_decryptArgs.IsReady != true)
+            {
+                Console.WriteLine("Could not read keys. Please make sure the file exists and try again.");
+                return false;
+            }
+
+            try
+            {
+                // Open the read and write on the same file for inplace processing
+                using var input = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+                using var output = File.Open(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
+
+                // Deserialize the cart information
+                var cart = N3DS.Create(input);
+                if (cart?.Model == null)
+                {
+                    Console.WriteLine("Error: Not a 3DS cart image!");
+                    return false;
+                }
+
+                // Encrypt all 8 NCCH partitions
+                EncryptAllPartitions(cart, force, input, output);
+                return true;
+            }
+            catch
+            {
+                Console.WriteLine($"An error has occurred. {filename} may be corrupted if it was partially processed.");
+                Console.WriteLine("Please check that the file was a valid 3DS or New 3DS cart image and try again.");
+                return false;
+            }
+        }
+
         /// <summary>
         /// Encrypt all partitions in the partition table of an NCSD header
         /// </summary>
@@ -871,5 +871,16 @@ namespace NDecrypt.Core
         }
 
         #endregion
+    
+        #region Info
+
+        /// <inheritdoc/>
+        public string? GetInformation(string filename)
+        {
+            // TODO: Get decryption status
+            return null;
+        }
+
+        #endregion
     }
 }
diff --git a/NDecrypt/Program.cs b/NDecrypt/Program.cs
index 183f0fd..addb493 100644
--- a/NDecrypt/Program.cs
+++ b/NDecrypt/Program.cs
@@ -152,7 +152,10 @@ namespace NDecrypt
             }
             else if (feature == Feature.Info)
             {
-                Console.WriteLine("Feature 'INFO' is not implemented");
+                string? infoString = tool.GetInformation(path);
+                infoString ??= "There was a problem getting file information!";
+
+                Console.WriteLine(infoString);
                 return;
             }