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Remove code for pre-installed plugins & properly check if file exists #740

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merged 2 commits into from
Jan 27, 2019
Merged

Remove code for pre-installed plugins & properly check if file exists #740

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1a3543e
Remove code for pre-installed plugins
Bond-009 Jan 27, 2019
ffe79c8
Check if file exists instead of catching exceptions
Bond-009 Jan 27, 2019
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9 changes: 5 additions & 4 deletions Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -246,13 +246,14 @@ public object GetConfiguration(string key)

private object LoadConfiguration(string path, Type configurationType)
{
try
if (!File.Exists(path))
{
return XmlSerializer.DeserializeFromFile(configurationType, path);
return Activator.CreateInstance(configurationType);
}
catch (FileNotFoundException)

try
{
return Activator.CreateInstance(configurationType);
return XmlSerializer.DeserializeFromFile(configurationType, path);
}
catch (IOException)
{
Expand Down
75 changes: 1 addition & 74 deletions Emby.Server.Implementations/ApplicationHost.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1564,7 +1564,7 @@ public void Restart()
/// <returns>IEnumerable{Assembly}.</returns>
protected List<Tuple<Assembly, string>> GetComposablePartAssemblies()
{
var list = GetPluginAssemblies();
var list = GetPluginAssemblies(ApplicationPaths.PluginsPath);

// Gets all plugin assemblies by first reading all bytes of the .dll and calling Assembly.Load against that
// This will prevent the .dll file from getting locked, and allow us to replace it when needed
Expand Down Expand Up @@ -1615,79 +1615,6 @@ protected List<Tuple<Assembly, string>> GetComposablePartAssemblies()

protected abstract IEnumerable<Assembly> GetAssembliesWithPartsInternal();

/// <summary>
/// Gets the plugin assemblies.
/// </summary>
/// <returns>IEnumerable{Assembly}.</returns>
private List<Tuple<Assembly, string>> GetPluginAssemblies()
{
// Copy pre-installed plugins
var sourcePath = Path.Combine(ApplicationPaths.ApplicationResourcesPath, "plugins");
CopyPlugins(sourcePath, ApplicationPaths.PluginsPath);

return GetPluginAssemblies(ApplicationPaths.PluginsPath);
}

private void CopyPlugins(string source, string target)
{
List<string> files;

try
{
files = Directory.EnumerateFiles(source, "*.dll", SearchOption.TopDirectoryOnly)
.ToList();

}
catch (DirectoryNotFoundException)
{
return;
}

if (files.Count == 0)
{
return;
}

foreach (var sourceFile in files)
{
var filename = Path.GetFileName(sourceFile);
var targetFile = Path.Combine(target, filename);

var targetFileExists = File.Exists(targetFile);

if (!targetFileExists && ServerConfigurationManager.Configuration.UninstalledPlugins.Contains(filename, StringComparer.OrdinalIgnoreCase))
{
continue;
}

if (targetFileExists && GetDllVersion(targetFile) >= GetDllVersion(sourceFile))
{
continue;
}

Directory.CreateDirectory(target);
File.Copy(sourceFile, targetFile, true);
}
}

private Version GetDllVersion(string path)
{
try
{
var result = Version.Parse(FileVersionInfo.GetVersionInfo(path).FileVersion);

Logger.LogInformation("File {Path} has version {Version}", path, result);

return result;
}
catch (Exception ex)
{
Logger.LogError(ex, "Error getting version number from {Path}", path);

return new Version(1, 0);
}
}

private List<Tuple<Assembly, string>> GetPluginAssemblies(string path)
{
try
Expand Down
30 changes: 10 additions & 20 deletions Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
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Expand Up @@ -286,28 +286,18 @@ public async Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string

private HttpResponseInfo GetCachedResponse(string responseCachePath, TimeSpan cacheLength, string url)
{
try
{
if (_fileSystem.GetLastWriteTimeUtc(responseCachePath).Add(cacheLength) > DateTime.UtcNow)
{
var stream = _fileSystem.GetFileStream(responseCachePath, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true);

return new HttpResponseInfo
{
ResponseUrl = url,
Content = stream,
StatusCode = HttpStatusCode.OK,
ContentLength = stream.Length
};
}
}
catch (FileNotFoundException) // REVIEW: @bond Is this really faster?
{

}
catch (DirectoryNotFoundException)
if (File.Exists(responseCachePath)
&& _fileSystem.GetLastWriteTimeUtc(responseCachePath).Add(cacheLength) > DateTime.UtcNow)
{
var stream = _fileSystem.GetFileStream(responseCachePath, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true);

return new HttpResponseInfo
{
ResponseUrl = url,
Content = stream,
StatusCode = HttpStatusCode.OK,
ContentLength = stream.Length
};
}

return null;
Expand Down
47 changes: 21 additions & 26 deletions Emby.Server.Implementations/Library/LibraryManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -395,38 +395,33 @@ public void DeleteItem(BaseItem item, DeleteOptions options, BaseItem parent, bo

foreach (var fileSystemInfo in item.GetDeletePaths().ToList())
{
try
if (File.Exists(fileSystemInfo.FullName))
{
_logger.LogDebug("Deleting path {path}", fileSystemInfo.FullName);
if (fileSystemInfo.IsDirectory)
try
{
_fileSystem.DeleteDirectory(fileSystemInfo.FullName, true);
_logger.LogDebug("Deleting path {path}", fileSystemInfo.FullName);
if (fileSystemInfo.IsDirectory)
{
_fileSystem.DeleteDirectory(fileSystemInfo.FullName, true);
}
else
{
_fileSystem.DeleteFile(fileSystemInfo.FullName);
}
}
else
catch (IOException)
{
_fileSystem.DeleteFile(fileSystemInfo.FullName);
if (isRequiredForDelete)
{
throw;
}
}
}
catch (FileNotFoundException)
{
// may have already been deleted manually by user
}
catch (DirectoryNotFoundException)
{
// may have already been deleted manually by user
}
catch (IOException)
{
if (isRequiredForDelete)
{
throw;
}
}
catch (UnauthorizedAccessException)
{
if (isRequiredForDelete)
catch (UnauthorizedAccessException)
{
throw;
if (isRequiredForDelete)
{
throw;
}
}
}

Expand Down
18 changes: 10 additions & 8 deletions Emby.Server.Implementations/Library/UserManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,17 +1029,18 @@ public UserPolicy GetUserPolicy(User user)
{
var path = GetPolicyFilePath(user);

if (!File.Exists(path))
{
return GetDefaultPolicy(user);
}

try
{
lock (_policySyncLock)
{
return (UserPolicy)_xmlSerializer.DeserializeFromFile(typeof(UserPolicy), path);
}
}
catch (FileNotFoundException)
{
return GetDefaultPolicy(user);
}
catch (IOException)
{
return GetDefaultPolicy(user);
Expand Down Expand Up @@ -1128,17 +1129,18 @@ public UserConfiguration GetUserConfiguration(User user)
{
var path = GetConfigurationFilePath(user);

if (!File.Exists(path))
{
return new UserConfiguration();
}

try
{
lock (_configSyncLock)
{
return (UserConfiguration)_xmlSerializer.DeserializeFromFile(typeof(UserConfiguration), path);
}
}
catch (FileNotFoundException)
{
return new UserConfiguration();
}
catch (IOException)
{
return new UserConfiguration();
Expand Down
21 changes: 12 additions & 9 deletions Emby.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
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Expand Up @@ -101,17 +101,20 @@ public async Task Execute(CancellationToken cancellationToken, IProgress<double>

List<string> previouslyFailedImages;

try
if (File.Exists(failHistoryPath))
{
previouslyFailedImages = _fileSystem.ReadAllText(failHistoryPath)
.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
.ToList();
}
catch (FileNotFoundException)
{
previouslyFailedImages = new List<string>();
try
{
previouslyFailedImages = _fileSystem.ReadAllText(failHistoryPath)
.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
.ToList();
}
catch (IOException)
{
previouslyFailedImages = new List<string>();
}
}
catch (IOException)
else
{
previouslyFailedImages = new List<string>();
}
Expand Down
47 changes: 15 additions & 32 deletions Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
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Expand Up @@ -129,21 +129,16 @@ public TaskResult LastExecutionResult
{
if (_lastExecutionResult == null && !_readFromFile)
{
try
if (File.Exists(path))
{
_lastExecutionResult = JsonSerializer.DeserializeFromFile<TaskResult>(path);
}
catch (DirectoryNotFoundException)
{
// File doesn't exist. No biggie
}
catch (FileNotFoundException)
{
// File doesn't exist. No biggie
}
catch (Exception ex)
{
Logger.LogError(ex, "Error deserializing {path}", path);
try
{
_lastExecutionResult = JsonSerializer.DeserializeFromFile<TaskResult>(path);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error deserializing {File}", path);
}
}
_readFromFile = true;
}
Expand Down Expand Up @@ -532,28 +527,16 @@ private Tuple<TaskTriggerInfo, ITaskTrigger>[] LoadTriggers()

private TaskTriggerInfo[] LoadTriggerSettings()
{
try
{
var list = JsonSerializer.DeserializeFromFile<IEnumerable<TaskTriggerInfo>>(GetConfigurationFilePath());

if (list != null)
{
return list.ToArray();
}
}
catch (FileNotFoundException)
{
// File doesn't exist. No biggie. Return defaults.
}
catch (DirectoryNotFoundException)
string path = GetConfigurationFilePath();
if (!File.Exists(path))
{
// File doesn't exist. No biggie. Return defaults.
GetDefaultTriggers();
}
catch
{

}
return GetDefaultTriggers();
var list = JsonSerializer.DeserializeFromFile<TaskTriggerInfo[]>(path);

return list ?? GetDefaultTriggers();
}

private TaskTriggerInfo[] GetDefaultTriggers()
Expand Down