feat: also use reliable storage for plugin configs

Dalamud/Configuration/Internal/DalamudConfiguration.cs

@@ -436,6 +436,10 @@ internal sealed class DalamudConfiguration : IServiceType, IDisposable
             {
                 deserialized =
                     JsonConvert.DeserializeObject<DalamudConfiguration>(text, SerializerSettings);
+                
+                // If this reads as null, the file was empty, that's no good
+                if (deserialized == null)
+                    throw new Exception("Read config was null.");
             });
         }
         catch (FileNotFoundException)

Dalamud/Configuration/PluginConfigurations.cs

@@ -1,6 +1,6 @@
 using System.IO;
 
-using Dalamud.Utility;
+using Dalamud.Storage;
 using Newtonsoft.Json;
 
 namespace Dalamud.Configuration;
@@ -33,22 +33,36 @@ public sealed class PluginConfigurations
     /// <param name="pluginName">Plugin name.</param>
     public void Save(IPluginConfiguration config, string pluginName)
     {
-        Util.WriteAllTextSafe(this.GetConfigFile(pluginName).FullName, SerializeConfig(config));
+        Service<ReliableFileStorage>.Get()
+                                    .WriteAllText(this.GetConfigFile(pluginName).FullName, SerializeConfig(config));
     }
 
     /// <summary>
     /// Load plugin configuration.
     /// </summary>
     /// <param name="pluginName">Plugin name.</param>
+    /// <param name="workingPluginId">WorkingPluginID of the plugin.</param>
     /// <returns>Plugin configuration.</returns>
-    public IPluginConfiguration? Load(string pluginName)
+    public IPluginConfiguration? Load(string pluginName, Guid workingPluginId)
     {
         var path = this.GetConfigFile(pluginName);
 
-        if (!path.Exists)
+        IPluginConfiguration? config = null;
-            return null;
+        try
+        {
+            Service<ReliableFileStorage>.Get().ReadAllText(path.FullName, text =>
+            {
+                config = DeserializeConfig(text);
+                if (config == null)
+                    throw new Exception("Read config was null.");
+            }, workingPluginId);
+        }
+        catch (FileNotFoundException)
+        {
+            // ignored
+        }
 
-        return DeserializeConfig(File.ReadAllText(path.FullName));
+        return config;
     }
 
     /// <summary>

Dalamud/Plugin/DalamudPluginInterface.cs

@@ -370,7 +370,7 @@ public sealed class DalamudPluginInterface : IDisposable
         }
 
         // this shouldn't be a thing, I think, but just in case
-        return this.configs.Load(this.plugin.InternalName);
+        return this.configs.Load(this.plugin.InternalName, this.plugin.Manifest.WorkingPluginId);
     }
 
     /// <summary>

Dalamud/Storage/ReliableFileStorage.cs

@@ -3,6 +3,7 @@ using System.Runtime.InteropServices;
 using System.Text;
 
 using Dalamud.Logging.Internal;
+using Dalamud.Utility;
 using PInvoke;
 using SQLite;
 
@@ -32,7 +33,6 @@ public class ReliableFileStorage : IServiceType, IDisposable
     /// Initializes a new instance of the <see cref="ReliableFileStorage"/> class.
     /// </summary>
     /// <param name="vfsDbPath">Path to the VFS.</param>
-    [ServiceManager.ServiceConstructor]
     public ReliableFileStorage(string vfsDbPath)
     {
         var databasePath = Path.Combine(vfsDbPath, "dalamudVfs.db");
@@ -113,7 +113,7 @@ public class ReliableFileStorage : IServiceType, IDisposable
             this.db.Update(file);
         }
         
-        WriteFileReliably(path, bytes);
+        Util.WriteAllBytesSafe(path, bytes);
     }
 
     /// <summary>
@@ -253,39 +253,6 @@ public class ReliableFileStorage : IServiceType, IDisposable
         this.db.Dispose();
     }
 
-    private static void WriteFileReliably(string path, byte[] bytes)
-    {
-        ArgumentException.ThrowIfNullOrEmpty(path);
-        
-        // Open the temp file
-        var tempPath = path + ".tmp";
-
-        using var tempFile = Kernel32
-            .CreateFile(tempPath.AsSpan(),
-                        new Kernel32.ACCESS_MASK(Kernel32.FileAccess.FILE_GENERIC_READ | Kernel32.FileAccess.FILE_GENERIC_WRITE),
-                        Kernel32.FileShare.None,
-                        null,
-                        Kernel32.CreationDisposition.CREATE_ALWAYS,
-                        Kernel32.CreateFileFlags.FILE_ATTRIBUTE_NORMAL,
-                        Kernel32.SafeObjectHandle.Null);
-
-        if (tempFile.IsInvalid)
-            throw new Win32Exception();
-        
-        // Write the data
-        var bytesWritten = Kernel32.WriteFile(tempFile, new ArraySegment<byte>(bytes));
-        if (bytesWritten != bytes.Length)
-            throw new Exception($"Could not write all bytes to temp file ({bytesWritten} of {bytes.Length})");
-
-        if (!Kernel32.FlushFileBuffers(tempFile))
-            throw new Win32Exception();
-        
-        tempFile.Close();
-
-        if (!MoveFileEx(tempPath, path, MoveFileFlags.MovefileReplaceExisting | MoveFileFlags.MovefileWriteThrough))
-            throw new Win32Exception();
-    }
-
     /// <summary>
     /// Replace possible non-portable parts of a path with portable versions.
     /// </summary>
@@ -300,20 +267,6 @@ public class ReliableFileStorage : IServiceType, IDisposable
         return path;
     }
 
-    [Flags]
-#pragma warning disable SA1201
-    private enum MoveFileFlags
-#pragma warning restore SA1201
-    {
-        MovefileReplaceExisting = 0x00000001,
-        MovefileWriteThrough = 0x00000008,
-    }
-    
-    [return: MarshalAs(UnmanagedType.Bool)]
-    [DllImport("kernel32.dll", SetLastError=true, CharSet=CharSet.Unicode)]
-    private static extern bool MoveFileEx(string lpExistingFileName, string lpNewFileName,
-                                  MoveFileFlags dwFlags);
-
     private class DbFile
     {
         [PrimaryKey]

Dalamud/Utility/Util.cs

@@ -20,6 +20,7 @@ using Dalamud.Logging.Internal;
 using Dalamud.Memory;
 using ImGuiNET;
 using Lumina.Excel.GeneratedSheets;
+using PInvoke;
 using Serilog;
 
 namespace Dalamud.Utility;
@@ -618,12 +619,58 @@ public static class Util
     /// <param name="text">The text to write.</param>
     public static void WriteAllTextSafe(string path, string text)
     {
-        var tmpPath = path + ".tmp";
+        WriteAllTextSafe(path, text, Encoding.UTF8);
-        if (File.Exists(tmpPath))
+    }
-            File.Delete(tmpPath);
     
-        File.WriteAllText(tmpPath, text);
+    /// <summary>
-        File.Move(tmpPath, path, true);
+    /// Overwrite text in a file by first writing it to a temporary file, and then
+    /// moving that file to the path specified.
+    /// </summary>
+    /// <param name="path">The path of the file to write to.</param>
+    /// <param name="text">The text to write.</param>
+    /// <param name="encoding">Encoding to use.</param>
+    public static void WriteAllTextSafe(string path, string text, Encoding encoding)
+    {
+        WriteAllBytesSafe(path, encoding.GetBytes(text));
+    }
+    
+    /// <summary>
+    /// Overwrite data in a file by first writing it to a temporary file, and then
+    /// moving that file to the path specified.
+    /// </summary>
+    /// <param name="path">The path of the file to write to.</param>
+    /// <param name="bytes">The data to write.</param>
+    public static void WriteAllBytesSafe(string path, byte[] bytes)
+    {
+        ArgumentException.ThrowIfNullOrEmpty(path);
+        
+        // Open the temp file
+        var tempPath = path + ".tmp";
+
+        using var tempFile = Kernel32
+            .CreateFile(tempPath.AsSpan(),
+                        new Kernel32.ACCESS_MASK(Kernel32.FileAccess.FILE_GENERIC_READ | Kernel32.FileAccess.FILE_GENERIC_WRITE),
+                        Kernel32.FileShare.None,
+                        null,
+                        Kernel32.CreationDisposition.CREATE_ALWAYS,
+                        Kernel32.CreateFileFlags.FILE_ATTRIBUTE_NORMAL,
+                        Kernel32.SafeObjectHandle.Null);
+
+        if (tempFile.IsInvalid)
+            throw new Win32Exception();
+        
+        // Write the data
+        var bytesWritten = Kernel32.WriteFile(tempFile, new ArraySegment<byte>(bytes));
+        if (bytesWritten != bytes.Length)
+            throw new Exception($"Could not write all bytes to temp file ({bytesWritten} of {bytes.Length})");
+
+        if (!Kernel32.FlushFileBuffers(tempFile))
+            throw new Win32Exception();
+        
+        tempFile.Close();
+
+        if (!MoveFileEx(tempPath, path, MoveFileFlags.MovefileReplaceExisting | MoveFileFlags.MovefileWriteThrough))
+            throw new Win32Exception();
     }
     
     /// <summary>
@@ -762,4 +809,18 @@ public static class Util
             }
         }
     }
+    
+    [Flags]
+#pragma warning disable SA1201
+    private enum MoveFileFlags
+#pragma warning restore SA1201
+    {
+        MovefileReplaceExisting = 0x00000001,
+        MovefileWriteThrough = 0x00000008,
+    }
+    
+    [return: MarshalAs(UnmanagedType.Bool)]
+    [DllImport("kernel32.dll", SetLastError=true, CharSet=CharSet.Unicode)]
+    private static extern bool MoveFileEx(string lpExistingFileName, string lpNewFileName,
+                                          MoveFileFlags dwFlags);
 }