public async Task<TempPackage> FetchAsync(Package pkg, Progress progress)
{
var user = pkg.Location.Host;
var project = pkg.Location.Segments.Skip(1).SingleOrDefault()?.Trim('/');
var props = pkg.Location.ParseQueryString();
var url = $"https://api.github.com/repos/{user}/{project}/releases/latest";
using (var httpClient = NetUtils.HttpClient())
{
var content = await httpClient.GetStringAsync(url);
var json = fastJSON.JSON.Parse(content) as IDictionary<string, object>;
var assets = json["assets"] as IList<object>;
var asset = NarrowAssets(assets, props);
var pkgUrlString = asset["browser_download_url"] as string;
Uri pkgUri;
if (!Uri.TryCreate(pkgUrlString, UriKind.Absolute, out pkgUri))
{
throw new UriFormatException($"Could not parse output from Github API, failed to parse URI: '{pkgUrlString}'");
}
var result = new TempPackage
{
Package = pkg,
WorkDirectory = new TempDirectory("winston"),
FileName = pkgUri.LastSegment()
};
using (var download = File.Open(result.FullPath, FileMode.Create, FileAccess.ReadWrite))
{
await httpClient.DownloadFileAsync(pkgUri, download, progress);
}
progress?.CompletedDownload();
return result;
}
}
public async Task ExtractAsync(TempPackage package, string destination, Progress progress)
{
var p = await SimpleProcess.Cmd($"msiexec /a {package.FullPath} /qn TARGETDIR=\"{destination}\"").RunAsync();
if (p.ExitCode != 0)
{
throw p.GetException();
}
}
public async Task ExtractAsync(TempPackage package, string destination, Progress progress)
{
var exePath = Path.Combine(destination, package.FileName);
await Task.Run(() =>
{
File.Delete(exePath);
File.Move(package.FullPath, exePath);
});
}
public async Task<TempPackage> FetchAsync(Package pkg, Progress progress)
{
var result = new TempPackage { WorkDirectory = new TempDirectory("winston") };
using (var handler = new HttpClientHandler { AllowAutoRedirect = true })
using (var client = NetUtils.HttpClient(handler))
using (var response = await client.GetAsync(pkg.Location, HttpCompletionOption.ResponseHeadersRead))
{
result.MimeType = response.Content.Headers.ContentType?.MediaType;
var uriFileName = pkg.Location.LastSegment();
// Heuristic: assume the last path segment is a file name if it contains a dot for the file extension
if (!uriFileName.Contains('.'))
{
uriFileName = null;
}
// Try to get the right file name to give hints about the file type to the extractor
result.FileName = response.Content.Headers.ContentDisposition?.FileName?.Trim('\"', '\\', '\'') ??
uriFileName ??
"package";
var total = response.Content.Headers.ContentLength ?? -1L;
using (var stream = await response.Content.ReadAsStreamAsync())
using (var output = File.Open(result.FullPath, FileMode.Create, FileAccess.ReadWrite))
{
var totalRead = 0L;
var buffer = new byte[81920]; // Default size from .NET docs on CopyTo
while (true)
{
var read = await stream.ReadAsync(buffer, 0, buffer.Length);
if (read == 0)
{
break;
}
await output.WriteAsync(buffer, 0, read);
totalRead += read;
// Can't report progress if there was no Content-Length
if (total > 0)
{
progress?.Report(totalRead * 1d / (total * 1d) * 100);
}
}
progress?.Report(100);
progress?.CompletedDownload();
}
}
var hash = await FileSystem.GetSha1Async(result.FullPath);
// Only check when Sha1 is specified in the package metadata
if (!string.IsNullOrWhiteSpace(pkg.Sha1) &&
!string.Equals(hash, pkg.Sha1, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidDataException($"SHA1 hash of remote file {pkg.Location} did not match {pkg.Sha1}");
}
return result;
}
public async Task<TempPackage> FetchAsync(Package pkg, Progress progress)
{
var result = new TempPackage
{
FileName = Path.GetFileName(pkg.Location.LocalPath),
Package = pkg,
WorkDirectory = new NonTempItem(pkg.Location.LocalPath)
};
return await Task.FromResult(result);
}
public bool IsMatch(TempPackage package)
{
return Path.GetExtension(package.FileName ?? "").EndsWith("msi", StringComparison.InvariantCultureIgnoreCase);
}
public async Task ExtractAsync(TempPackage package, string destination, Progress progress)
{
await FileSystem.CopyDirectoryAsync(package.WorkDirectory.Path, destination, progress);
}
public bool IsMatch(TempPackage package)
{
return Directory.Exists(package.WorkDirectory.Path);
}
public async Task ExtractAsync(TempPackage package, string destination, Progress progress)
{
await ExtractAsync(package.FullPath, destination, progress);
}
public bool IsMatch(TempPackage package)
{
return MatchingMimeTypes.Any(t => t.Equals(package.MimeType, StringComparison.InvariantCultureIgnoreCase)) ||
MatchingExtensions.Any(
ext => package.FileName?.EndsWith(ext, StringComparison.InvariantCultureIgnoreCase) ?? false);
}
