protected async virtual Task <string> DownloadUpdateAsync(ApplicationInfo appInfo)
{
if (appInfo == null)
{
throw new ArgumentNullException("appInfo");
}
DirectoryInfo dir = new DirectoryInfo(UpdaterPaths.GetTempUpdatesFolder());
if (!dir.Exists)
{
dir.Create();
}
string pathToCopyUpdate = Path.Combine(dir.FullName, appInfo.Version.Md5hash);
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Downloading))
{
try
{
using (var webClient = new WebClient())
{
using (var stream = await webClient.OpenReadTaskAsync(UpdaterPaths.GetUpdatePath(appInfo.Version.Path)))
{
int bytesTotal = Convert.ToInt32(webClient.ResponseHeaders["Content-Length"]);
using (FileStream fs = new FileStream(pathToCopyUpdate, FileMode.Create))
{
int bytesRead = 0;
int bytesLoaded = 0;
byte[] buffer = new byte[4096];
do
{
bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
fs.Write(buffer, 0, bytesRead);
bytesLoaded += bytesRead;
double progress = (double)bytesLoaded / bytesTotal * 100;
ProgressReport((int)progress);
}while (bytesRead > 0);
}
}
}
return(pathToCopyUpdate);
}
catch
{
throw new UpdaterException(UpdaterError.DownloadingFailed);
}
}
}
protected virtual async Task Move(DirectoryInfo unpackedDir)
{
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Copying))
{
foreach (var file in unpackedDir.GetFiles())
{
await MoveFileAsync(file);
}
foreach (var directory in unpackedDir.GetDirectories())
{
await Move(directory);
}
}
}
public async virtual Task InitializeAsync(string pathToUpdatingData = null, X509Certificate2 assemblyCertificate = null)
{
this.assemblyCertificate = assemblyCertificate;
// clear old data
Clear();
if (string.IsNullOrWhiteSpace(pathToUpdatingData))
{
pathToUpdatingData = UpdaterPaths.GetUpdaterDataPath();
}
else
{
pathToUpdatingData = UpdaterPaths.GetUpdatePath(pathToUpdatingData);
}
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Getting))
{
var response = await loader.LoadApplicationInfoAsync(pathToUpdatingData);
applicationInfo = response.ToArray();
isInitialized = true;
}
}
private async Task <DirectoryInfo> Unzip(string zipFile)
{
using (var operationScope = new OperationScope(currentOperation, OperationStatus.Unzipping))
{
try
{
DirectoryInfo dir = new DirectoryInfo(UpdaterPaths.GetTempUnpackedFolder());
if (!dir.Exists)
{
dir.Create();
}
using (var zipFileStream = File.OpenRead(zipFile))
{
using (var archive = new ZipArchive(zipFileStream))
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
if (string.IsNullOrWhiteSpace(entry.Name))
{
continue;
}
OnUnzippingFileChanged(entry.Name);
var directoryPath = entry.FullName.Remove(entry.FullName.IndexOf(entry.Name));
if (!string.IsNullOrWhiteSpace(directoryPath))
{
Directory.CreateDirectory(Path.Combine(dir.FullName, directoryPath));
}
string fileName = Path.Combine(dir.FullName, entry.FullName.Replace("/", @"\"));
using (var newFileStream = File.Create(fileName))
{
Stream fileData = entry.Open();
int bytesRead = 0;
int bytesLoaded = 0;
byte[] buffer = new byte[4096];
do
{
bytesRead = await fileData.ReadAsync(buffer, 0, buffer.Length);
await newFileStream.WriteAsync(buffer, 0, bytesRead);
bytesLoaded += bytesRead;
double progress = (double)bytesLoaded / entry.Length * 100;
ProgressReport((int)progress);
}while (bytesRead > 0);
await newFileStream.FlushAsync();
}
}
}
}
return(dir);
}
catch
{
throw new UpdaterException(UpdaterError.UnzippingFailed);
}
}
}
