Пример #1
0
        public async Task DownloadUpdate(UpdateManifest.Package package, Action <DownloadProgressChangedEventArgs> progressHandler)
        {
            if (updateManifest == null)
            {
                DownloadManifest();
            }

            if (File.Exists(updaterPath))
            {
                if (VerifyUpdateFile(package.Checksum, updaterPath))
                {
                    logger.Info("Update already downloaded skipping download.");
                    return;
                }
            }

            try
            {
                var downloadUrls = updateManifest.DownloadServers.Select(a => Url.Combine(a, updateManifest.LatestVersion.ToString(), package.FileName));
                await downloader.DownloadFileAsync(downloadUrls, updaterPath, progressHandler);
            }
            catch (Exception e)
            {
                logger.Error(e, "Failed to download update file.");
                throw new Exception("Failed to download update file.");
            }

            if (!VerifyUpdateFile(package.Checksum, updaterPath))
            {
                throw new Exception($"Update file integrity check failed.");
            }
        }
Пример #2
0
        public async Task DownloadUpdate(UpdateManifest.Package package, Action <DownloadProgressChangedEventArgs> progressHandler)
        {
            if (updateManifest == null)
            {
                DownloadManifest();
            }

            if (File.Exists(updaterPath))
            {
                var md5 = FileSystem.GetMD5(updaterPath);
                if (md5 == package.Checksum)
                {
                    logger.Info("Update already downloaded skipping download.");
                    return;
                }
            }

            try
            {
                var downloadUrls = updateManifest.DownloadServers.Select(a => Url.Combine(a, updateManifest.LatestVersion.ToString(), package.FileName));
                await downloader.DownloadFileAsync(downloadUrls, updaterPath, progressHandler);

                var md5 = FileSystem.GetMD5(updaterPath);
                if (md5 != package.Checksum)
                {
                    throw new Exception($"Checksum of downloaded file doesn't match: {md5} vs {package.Checksum}");
                }
            }
            catch (Exception e)
            {
                logger.Warn(e, "Failed to download update file.");
                throw new Exception("Failed to download update file.");
            }
        }