Use FileShare.None when creating files

Emby.Dlna/DlnaManager.cs

@@ -395,7 +395,8 @@ namespace Emby.Dlna
                     {
                         Directory.CreateDirectory(systemProfilesPath);
 
-                        using (var fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read))
+                        // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                        using (var fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
                         {
                             await stream.CopyToAsync(fileStream).ConfigureAwait(false);
                         }

Emby.Server.Implementations/AppBase/ConfigurationHelper.cs

@@ -53,7 +53,8 @@ namespace Emby.Server.Implementations.AppBase
 
                 Directory.CreateDirectory(directory);
                 // Save it after load in case we got new items
-                using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read))
+                // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
                 {
                     fs.Write(newBytes, 0, newBytesLen);
                 }

Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs

@@ -45,7 +45,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
         {
             Directory.CreateDirectory(Path.GetDirectoryName(targetFile));
 
-            using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read))
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None))
             {
                 onStarted();
 
@@ -70,7 +71,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             Directory.CreateDirectory(Path.GetDirectoryName(targetFile));
 
-            await using var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            await using var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None);
 
             onStarted();
 

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -1856,7 +1856,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 return;
             }
 
-            using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.Read))
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.None))
             {
                 var settings = new XmlWriterSettings
                 {
@@ -1920,7 +1921,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 return;
             }
 
-            using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.Read))
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.None))
             {
                 var settings = new XmlWriterSettings
                 {

Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs

@@ -91,7 +91,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             Directory.CreateDirectory(Path.GetDirectoryName(logFilePath));
 
             // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
-            _logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            _logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
 
             await JsonSerializer.SerializeAsync(_logFileStream, mediaSource, _jsonOptions, cancellationToken).ConfigureAwait(false);
             await _logFileStream.WriteAsync(Encoding.UTF8.GetBytes(Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine), cancellationToken).ConfigureAwait(false);

Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs

@@ -193,7 +193,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             var resolved = false;
 
-            using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read))
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None))
             {
                 while (true)
                 {

Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs

@@ -136,7 +136,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
                     using var message = response;
                     await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-                    await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
+                    // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                    await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.None);
                     await StreamHelper.CopyToAsync(
                         stream,
                         fileStream,

Jellyfin.Api/Controllers/ItemLookupController.cs

@@ -344,11 +344,12 @@ namespace Jellyfin.Api.Controllers
             Directory.CreateDirectory(directory);
             using (var stream = result.Content)
             {
+                // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
                 await using var fileStream = new FileStream(
                     fullCachePath,
                     FileMode.Create,
                     FileAccess.Write,
-                    FileShare.Read,
+                    FileShare.None,
                     IODefaults.FileStreamBufferSize,
                     true);
 

Jellyfin.Api/Controllers/RemoteImageController.cs

@@ -259,7 +259,8 @@ namespace Jellyfin.Api.Controllers
 
             var fullCacheDirectory = Path.GetDirectoryName(fullCachePath) ?? throw new ResourceNotFoundException($"Provided path ({fullCachePath}) is not valid.");
             Directory.CreateDirectory(fullCacheDirectory);
-            await using var fileStream = new FileStream(fullCachePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            await using var fileStream = new FileStream(fullCachePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
             await response.Content.CopyToAsync(fileStream).ConfigureAwait(false);
 
             var pointerCacheDirectory = Path.GetDirectoryName(pointerCachePath) ?? throw new ArgumentException($"Provided path ({pointerCachePath}) is not valid.", nameof(pointerCachePath));

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -553,7 +553,8 @@ namespace Jellyfin.Api.Helpers
                 $"{logFilePrefix}{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{state.Request.MediaSourceId}_{Guid.NewGuid().ToString()[..8]}.log");
 
             // FFmpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
-            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
 
             var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(request.Path + Environment.NewLine + Environment.NewLine + JsonSerializer.Serialize(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
             await logStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false);

MediaBrowser.LocalMetadata/Savers/BaseXmlSaver.cs

@@ -133,7 +133,8 @@ namespace MediaBrowser.LocalMetadata.Savers
             // On Windows, savint the file will fail if the file is hidden or readonly
             FileSystem.SetAttributes(path, false, false);
 
-            using (var filestream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read))
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            using (var filestream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
             {
                 stream.CopyTo(filestream);
             }

MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs

@@ -677,7 +677,8 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             if (!string.Equals(text, newText, StringComparison.Ordinal))
             {
-                using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read))
+                // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None))
                 using (var writer = new StreamWriter(fileStream, encoding))
                 {
                     await writer.WriteAsync(newText.AsMemory(), cancellationToken).ConfigureAwait(false);

MediaBrowser.Providers/Manager/ImageSaver.cs

@@ -261,7 +261,8 @@ namespace MediaBrowser.Providers.Manager
 
                 _fileSystem.SetAttributes(path, false, false);
 
-                await using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous))
+                // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                await using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous))
                 {
                     await source.CopyToAsync(fs, cancellationToken).ConfigureAwait(false);
                 }

MediaBrowser.Providers/Plugins/AudioDb/AlbumProvider.cs

@@ -171,7 +171,8 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
 
             using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(url, cancellationToken).ConfigureAwait(false);
             await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-            await using var xmlFileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            await using var xmlFileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
             await stream.CopyToAsync(xmlFileStream, cancellationToken).ConfigureAwait(false);
         }
 

MediaBrowser.Providers/Plugins/AudioDb/ArtistProvider.cs

@@ -155,7 +155,8 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
 
             Directory.CreateDirectory(Path.GetDirectoryName(path));
 
-            await using var xmlFileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            await using var xmlFileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
             await stream.CopyToAsync(xmlFileStream, cancellationToken).ConfigureAwait(false);
         }
 

MediaBrowser.Providers/Subtitles/SubtitleManager.cs

@@ -228,7 +228,8 @@ namespace MediaBrowser.Providers.Subtitles
                 {
                     Directory.CreateDirectory(Path.GetDirectoryName(savePath));
 
-                    using (var fs = new FileStream(savePath, FileMode.Create, FileAccess.Write, FileShare.Read, FileStreamBufferSize, true))
+                    // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                    using (var fs = new FileStream(savePath, FileMode.Create, FileAccess.Write, FileShare.None, FileStreamBufferSize, true))
                     {
                         await stream.CopyToAsync(fs).ConfigureAwait(false);
                     }