/// <summary> /// Installs a library as specified in the <paramref name="desiredState" /> parameter. /// </summary> /// <param name="desiredState">The details about the library to install.</param> /// <param name="cancellationToken">A token that allows for the operation to be cancelled.</param> /// <returns> /// The <see cref="T:Microsoft.Web.LibraryManager.Contracts.ILibraryInstallationResult" /> from the installation process. /// </returns> public async Task <ILibraryInstallationResult> InstallAsync(ILibraryInstallationState desiredState, CancellationToken cancellationToken) { if (cancellationToken.IsCancellationRequested) { return(LibraryInstallationResult.FromCancelled(desiredState)); } if (!desiredState.IsValid(out IEnumerable <IError> errors)) { return(new LibraryInstallationResult(desiredState, errors.ToArray())); } try { ILibraryInstallationResult result = await UpdateStateAsync(desiredState, cancellationToken); if (!result.Success) { return(result); } desiredState = result.InstallationState; foreach (string file in desiredState.Files) { if (cancellationToken.IsCancellationRequested) { return(LibraryInstallationResult.FromCancelled(desiredState)); } if (string.IsNullOrEmpty(file)) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.CouldNotWriteFile(file))); } string path = Path.Combine(desiredState.DestinationPath, file); var sourceStream = new Func <Stream>(() => GetStreamAsync(desiredState, file, cancellationToken).Result); bool writeOk = await HostInteraction.WriteFileAsync(path, sourceStream, desiredState, cancellationToken).ConfigureAwait(false); if (!writeOk) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.CouldNotWriteFile(file))); } } } catch (UnauthorizedAccessException) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.PathOutsideWorkingDirectory())); } catch (Exception ex) { HostInteraction.Logger.Log(ex.ToString(), LogLevel.Error); return(new LibraryInstallationResult(desiredState, PredefinedErrors.UnknownException())); } return(LibraryInstallationResult.FromSuccess(desiredState)); }
/// <summary> /// Installs a library as specified in the <paramref name="desiredState" /> parameter. /// </summary> /// <param name="desiredState">The details about the library to install.</param> /// <param name="cancellationToken">A token that allows for the operation to be cancelled.</param> /// <returns> /// The <see cref="T:Microsoft.Web.LibraryInstaller.Contracts.ILibraryInstallationResult" /> from the installation process. /// </returns> /// <exception cref="InvalidLibraryException"></exception> public async Task <ILibraryInstallationResult> InstallAsync(ILibraryInstallationState desiredState, CancellationToken cancellationToken) { if (cancellationToken.IsCancellationRequested) { return(LibraryInstallationResult.FromCancelled(desiredState)); } if (!desiredState.IsValid(out IEnumerable <IError> errors)) { return(new LibraryInstallationResult(desiredState, errors.ToArray())); } try { var catalog = (CdnjsCatalog)GetCatalog(); ILibrary library = await catalog.GetLibraryAsync(desiredState.LibraryId, cancellationToken).ConfigureAwait(false); if (library == null) { throw new InvalidLibraryException(desiredState.LibraryId, Id); } await HydrateCacheAsync(library, cancellationToken).ConfigureAwait(false); var files = desiredState.Files?.ToList(); // "Files" is optional on this provider, so when none are specified all should be used if (files == null || files.Count == 0) { desiredState = new LibraryInstallationState { ProviderId = Id, LibraryId = desiredState.LibraryId, DestinationPath = desiredState.DestinationPath, Files = library.Files.Keys.ToList(), }; } foreach (string file in desiredState.Files) { if (cancellationToken.IsCancellationRequested) { return(LibraryInstallationResult.FromCancelled(desiredState)); } string path = Path.Combine(desiredState.DestinationPath, file); var sourceStream = new Func <Stream>(() => GetStreamAsync(desiredState, file, cancellationToken).Result); bool writeOk = await HostInteraction.WriteFileAsync(path, sourceStream, desiredState, cancellationToken).ConfigureAwait(false); if (!writeOk) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.CouldNotWriteFile(file))); } } } catch (Exception ex) when(ex is InvalidLibraryException || ex.InnerException is InvalidLibraryException) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.UnableToResolveSource(desiredState.LibraryId, desiredState.ProviderId))); } catch (UnauthorizedAccessException) { return(new LibraryInstallationResult(desiredState, PredefinedErrors.PathOutsideWorkingDirectory())); } catch (Exception ex) { HostInteraction.Logger.Log(ex.ToString(), LogLevel.Error); return(new LibraryInstallationResult(desiredState, PredefinedErrors.UnknownException())); } return(LibraryInstallationResult.FromSuccess(desiredState)); }