Handle cases where manifest.json gets corrupted, and instruct users h…

…ow to fix it.

Steam Desktop Authenticator/MaFileEncryptedException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Steam_Desktop_Authenticator
+{
+    class MaFileEncryptedException : Exception
+    {
+    }
+}

Steam Desktop Authenticator/MainForm.cs

@@ -47,7 +47,15 @@ public void StartSilent(bool silent)
         private void MainForm_Shown(object sender, EventArgs e)
         {
             this.labelVersion.Text = String.Format("v{0}", Application.ProductVersion);
-            this.manifest = Manifest.GetManifest();
+            try
+            {
+                this.manifest = Manifest.GetManifest();
+            }
+            catch (ManifestParseException)
+            {
+                MessageBox.Show("Unable to read your settings. Try restating SDA.", "Steam Desktop Authenticator", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                this.Close();
+            }
 
             // Make sure we don't show that welcome dialog again
             this.manifest.FirstRun = false;

Steam Desktop Authenticator/Manifest.cs

@@ -53,25 +53,24 @@ public static Manifest GetManifest(bool forceLoad = false)
 
             // Find config dir and manifest file
             string maDir = Manifest.GetExecutableDir() + "/maFiles/";
-            string maFile = maDir + "manifest.json";
+            string manifestFile = maDir + "manifest.json";
 
             // If there's no config dir, create it
             if (!Directory.Exists(maDir))
             {
-                _manifest = _generateNewManifest();
+                _manifest = GenerateNewManifest(false);
                 return _manifest;
             }
 
-            // If there's no manifest, create it
-            if (!File.Exists(maFile))
+            // If there's no manifest, throw exception
+            if (!File.Exists(manifestFile))
             {
-                _manifest = _generateNewManifest(true);
-                return _manifest;
+                throw new ManifestParseException();
             }
 
             try
             {
-                string manifestContents = File.ReadAllText(maFile);
+                string manifestContents = File.ReadAllText(manifestFile);
                 _manifest = JsonConvert.DeserializeObject<Manifest>(manifestContents);
 
                 if (_manifest.Encrypted && _manifest.Entries.Count == 0)
@@ -86,11 +85,11 @@ public static Manifest GetManifest(bool forceLoad = false)
             }
             catch (Exception)
             {
-                return null;
+                throw new ManifestParseException();
             }
         }
 
-        private static Manifest _generateNewManifest(bool scanDir = false)
+        public static Manifest GenerateNewManifest(bool scanDir = false)
         {
             // No directory means no manifest file anyways.
             Manifest newManifest = new Manifest();
@@ -128,6 +127,7 @@ private static Manifest _generateNewManifest(bool scanDir = false)
                         }
                         catch (Exception)
                         {
+                            throw new MaFileEncryptedException();
                         }
                     }
 

Steam Desktop Authenticator/ManifestParseException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Steam_Desktop_Authenticator
+{
+    class ManifestParseException : Exception
+    {
+    }
+}

Steam Desktop Authenticator/Program.cs

@@ -78,7 +78,29 @@ static void Main(string[] args)
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
 
-            Manifest man = Manifest.GetManifest();
+            Manifest man;
+
+            try
+            {
+                man = Manifest.GetManifest();
+            }
+            catch (ManifestParseException)
+            {
+                // Manifest file was corrupted, generate a new one.
+                try
+                {
+                    MessageBox.Show("Your settings were unexpectedly corrupted and were reset to defaults.", "Steam Desktop Authenticator", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
+                    man = Manifest.GenerateNewManifest(true);
+                }
+                catch (MaFileEncryptedException)
+                {
+                    // An maFile was encrypted, we're fucked.
+                    MessageBox.Show("Sorry, but SDA was unable to recover your accounts since you used encryption.\nYou'll need to recover your Steam accounts by removing the authenticator.\nClick OK to view instructions.", "Steam Desktop Authenticator", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    System.Diagnostics.Process.Start(@"https://github.com/Jessecar96/SteamDesktopAuthenticator/wiki/Help!-I'm-locked-out-of-my-account");
+                    return;
+                }
+            }
+
             if (man.FirstRun)
             {
                 // Install VC++ Redist and wait

Steam Desktop Authenticator/Steam Desktop Authenticator.csproj

@@ -157,13 +157,15 @@
     <Compile Include="LoginForm.Designer.cs">
       <DependentUpon>LoginForm.cs</DependentUpon>
     </Compile>
+    <Compile Include="MaFileEncryptedException.cs" />
     <Compile Include="MainForm.cs">
       <SubType>Form</SubType>
     </Compile>
     <Compile Include="MainForm.Designer.cs">
       <DependentUpon>MainForm.cs</DependentUpon>
     </Compile>
     <Compile Include="Manifest.cs" />
+    <Compile Include="ManifestParseException.cs" />
     <Compile Include="PhoneBridge.cs" />
     <Compile Include="PhoneExtractForm.cs">
       <SubType>Form</SubType>

Steam Desktop Authenticator/WelcomeForm.cs

@@ -75,12 +75,32 @@ private void btnImportConfig_Click(object sender, EventArgs e)
                 }
 
                 // Set first run in manifest
-                man = Manifest.GetManifest(true);
-                man.FirstRun = false;
-                man.Save();
+                try
+                {
+                    man = Manifest.GetManifest(true);
+                    man.FirstRun = false;
+                    man.Save();
+                }
+                catch (ManifestParseException)
+                {
+                    // Manifest file was corrupted, generate a new one.
+                    try
+                    {
+                        MessageBox.Show("Your settings were unexpectedly corrupted and were reset to defaults.", "Steam Desktop Authenticator", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
+                        man = Manifest.GenerateNewManifest(true);
+                    }
+                    catch (MaFileEncryptedException)
+                    {
+                        // An maFile was encrypted, we're fucked.
+                        MessageBox.Show("Sorry, but SDA was unable to recover your accounts since you used encryption.\nYou'll need to recover your Steam accounts by removing the authenticator.\nClick OK to view instructions.", "Steam Desktop Authenticator", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                        System.Diagnostics.Process.Start(@"https://github.com/Jessecar96/SteamDesktopAuthenticator/wiki/Help!-I'm-locked-out-of-my-account");
+                        this.Close();
+                        return;
+                    }
+                }
 
                 // All done!
-                MessageBox.Show("All accounts and settings have been imported! Press OK to continue.", "Import accounts", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                MessageBox.Show("All accounts and settings have been imported! Click OK to continue.", "Import accounts", MessageBoxButtons.OK, MessageBoxIcon.Information);
                 showMainForm();
             }