add web socket error handling
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504f56d841
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c4176d2320
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@ -136,7 +136,7 @@ namespace Emby.Server.Implementations.ServerManager
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return;
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}
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var charset = _textEncoding.GetDetectedEncodingName(bytes, null, false);
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var charset = _textEncoding.GetDetectedEncodingName(bytes, bytes.Length, null, false);
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if (string.Equals(charset, "utf-8", StringComparison.OrdinalIgnoreCase))
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{
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@ -27,18 +27,33 @@ namespace Emby.Server.Implementations.TextEncoding
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return Encoding.ASCII;
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}
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private Encoding GetInitialEncoding(byte[] buffer)
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private Encoding GetInitialEncoding(byte[] buffer, int count)
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{
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if (count >= 3)
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{
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if (buffer[0] == 0xef && buffer[1] == 0xbb && buffer[2] == 0xbf)
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return Encoding.UTF8;
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}
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if (count >= 2)
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{
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if (buffer[0] == 0xfe && buffer[1] == 0xff)
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return Encoding.Unicode;
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}
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if (count >= 4)
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{
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if (buffer[0] == 0 && buffer[1] == 0 && buffer[2] == 0xfe && buffer[3] == 0xff)
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return Encoding.UTF32;
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}
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if (count >= 3)
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{
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if (buffer[0] == 0x2b && buffer[1] == 0x2f && buffer[2] == 0x76)
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return Encoding.UTF7;
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}
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var result = new TextEncodingDetect().DetectEncoding(buffer, buffer.Length);
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var result = new TextEncodingDetect().DetectEncoding(buffer, count);
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switch (result)
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{
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@ -64,9 +79,11 @@ namespace Emby.Server.Implementations.TextEncoding
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}
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private bool _langDetectInitialized;
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public string GetDetectedEncodingName(byte[] bytes, string language, bool enableLanguageDetection)
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public string GetDetectedEncodingName(byte[] bytes, int count, string language, bool enableLanguageDetection)
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{
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var encoding = GetInitialEncoding(bytes);
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var index = 0;
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var encoding = GetInitialEncoding(bytes, count);
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if (encoding != null && encoding.Equals(Encoding.UTF8))
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{
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@ -81,7 +98,7 @@ namespace Emby.Server.Implementations.TextEncoding
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LanguageDetector.Initialize(_json);
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}
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language = DetectLanguage(bytes);
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language = DetectLanguage(bytes, index, count);
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if (!string.IsNullOrWhiteSpace(language))
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{
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@ -89,7 +106,7 @@ namespace Emby.Server.Implementations.TextEncoding
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}
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}
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var charset = DetectCharset(bytes, language);
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var charset = DetectCharset(bytes, index, count, language);
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if (!string.IsNullOrWhiteSpace(charset))
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{
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@ -112,11 +129,11 @@ namespace Emby.Server.Implementations.TextEncoding
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return null;
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}
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private string DetectLanguage(byte[] bytes)
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private string DetectLanguage(byte[] bytes, int index, int count)
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{
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try
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{
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return LanguageDetector.DetectLanguage(Encoding.UTF8.GetString(bytes));
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return LanguageDetector.DetectLanguage(Encoding.UTF8.GetString(bytes, index, count));
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}
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catch (NLangDetectException ex)
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{
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@ -124,7 +141,7 @@ namespace Emby.Server.Implementations.TextEncoding
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try
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{
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return LanguageDetector.DetectLanguage(Encoding.ASCII.GetString(bytes));
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return LanguageDetector.DetectLanguage(Encoding.ASCII.GetString(bytes, index, count));
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}
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catch (NLangDetectException ex)
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{
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@ -132,7 +149,7 @@ namespace Emby.Server.Implementations.TextEncoding
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try
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{
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return LanguageDetector.DetectLanguage(Encoding.Unicode.GetString(bytes));
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return LanguageDetector.DetectLanguage(Encoding.Unicode.GetString(bytes, index, count));
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}
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catch (NLangDetectException ex)
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{
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@ -163,9 +180,9 @@ namespace Emby.Server.Implementations.TextEncoding
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}
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}
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public Encoding GetDetectedEncoding(byte[] bytes, string language, bool enableLanguageDetection)
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public Encoding GetDetectedEncoding(byte[] bytes, int size, string language, bool enableLanguageDetection)
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{
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var charset = GetDetectedEncodingName(bytes, language, enableLanguageDetection);
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var charset = GetDetectedEncodingName(bytes, size, language, enableLanguageDetection);
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return GetEncodingFromCharset(charset);
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}
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@ -225,10 +242,10 @@ namespace Emby.Server.Implementations.TextEncoding
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}
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}
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private string DetectCharset(byte[] bytes, string language)
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private string DetectCharset(byte[] bytes, int index, int count, string language)
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{
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var detector = new CharsetDetector();
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detector.Feed(bytes, 0, bytes.Length);
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detector.Feed(bytes, index, count);
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detector.DataEnd();
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var charset = detector.Charset;
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@ -639,9 +639,7 @@ namespace MediaBrowser.Api.Images
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IsHeadRequest = isHeadRequest,
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Path = imageResult.Item1,
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// Sometimes imagemagick keeps a hold on the file briefly even after it's done writing to it.
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// I'd rather do this than add a delay after saving the file
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FileShare = FileShareMode.ReadWrite
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FileShare = FileShareMode.Read
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}).ConfigureAwait(false);
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}
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@ -148,6 +148,12 @@ namespace MediaBrowser.Api.System
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var file = _fileSystem.GetFiles(_appPaths.LogDirectoryPath)
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.First(i => string.Equals(i.Name, request.Name, StringComparison.OrdinalIgnoreCase));
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// For older files, assume fully static
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if (file.LastWriteTimeUtc < DateTime.UtcNow.AddHours(-1))
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{
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return ResultFactory.GetStaticFileResult(Request, file.FullName, FileShareMode.Read);
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}
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return ResultFactory.GetStaticFileResult(Request, file.FullName, FileShareMode.ReadWrite);
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}
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@ -7,8 +7,8 @@ namespace MediaBrowser.Model.Text
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{
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Encoding GetASCIIEncoding();
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string GetDetectedEncodingName(byte[] bytes, string language, bool enableLanguageDetection);
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Encoding GetDetectedEncoding(byte[] bytes, string language, bool enableLanguageDetection);
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string GetDetectedEncodingName(byte[] bytes, int size, string language, bool enableLanguageDetection);
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Encoding GetDetectedEncoding(byte[] bytes, int size, string language, bool enableLanguageDetection);
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Encoding GetEncodingFromCharset(string charset);
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}
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}
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