public Stream ReadRecordingFile(int id) { try { WebRecordingFileInfo info = GetRecordingFileInfo(id); // read it as a regular file if (info.Exists && info.IsLocalFile && !info.OnNetworkDrive && File.Exists(info.Path)) { return(new FileStream(info.Path, FileMode.Open, FileAccess.Read)); } // try to load it from a network drive if (info.Exists && info.IsLocalFile && info.OnNetworkDrive) { using (var context = NetworkContextFactory.Create()) return(new FileStream(context.RewritePath(info.Path), FileMode.Open, FileAccess.Read)); } // failed Log.Warn("No method to read file for recording {0} with path {1}", id, info.Path); WCFUtil.SetResponseCode(System.Net.HttpStatusCode.NotFound); return(Stream.Null); } catch (Exception ex) { Log.Warn(String.Format("Failed to read file for recording {0}", id), ex); WCFUtil.SetResponseCode(System.Net.HttpStatusCode.InternalServerError); return(Stream.Null); } }
public bool Setup() { try { using (var context = NetworkContextFactory.CreateImpersonationContext()) { DataOutputStream = new FileStream(context.RewritePath(source), FileMode.Open, FileAccess.Read, FileShare.ReadWrite); } } catch (Exception e) { StreamLog.Error(identifier, "Failed to setup ImpersonationInputUnit", e); return(false); } return(true); }
public WebRecordingFileInfo GetRecordingFileInfo(int id) { string filename = String.Empty; try { filename = GetRecordingById(id).FileName; bool tryImpersonation = false; try { var fileInfo = new WebRecordingFileInfo(new FileInfo(filename)); if (fileInfo != null && fileInfo.Exists) { return(fileInfo); } tryImpersonation = PathUtil.MightBeOnNetworkDrive(filename); } catch (UnauthorizedAccessException) { tryImpersonation = true; } if (tryImpersonation && Configuration.Services.NetworkImpersonation.IsEnabled()) { using (var context = NetworkContextFactory.CreateImpersonationContext()) { var ret = new WebRecordingFileInfo(context.RewritePath(filename)); ret.IsLocalFile = true; ret.OnNetworkDrive = true; return(ret); } } } catch (FileNotFoundException) { Log.Info("Failed to load fileinfo for recording {0} because it does not exists at path {1}", id, filename); } catch (Exception ex) { Log.Warn("Failed to load fileinfo for recording", ex); } return(new WebRecordingFileInfo()); }
public INetworkContext CreateNetworkContext() { return(NetworkContextFactory.Create(NeedsImpersonation)); }