/// <nodoc />
internal static async Task <DedupNode> GetDedupNodeFromFileAsync(HashType hashType, string path)
{
var contentHasher = (DedupContentHasher <DedupNodeOrChunkHashAlgorithm>)ContentHashers.Get(hashType);
using (var stream = FileStreamUtility.OpenFileStreamForAsync(path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete))
{
return(await contentHasher.HashContentAndGetDedupNodeAsync(stream));
}
}
/// <summary>
/// Extracts the debug entry for a javascript sourcemap file.
/// It will try to extract the client key from the sourcemap, so that
/// the tool that writes the sourcemap has control over they key.
/// It will fall back to the sha256 of the sourcemap as the client key
/// when it can't be found.
/// </summary>
internal static async Task <DebugEntryData[]> GetJsMapDebugEntryAsync(FileInfo file, bool calculateBlobId = false)
{
var fileName = file.FullName;
string clientKey = TryGetSymbolClientKeyFromJsMap(fileName);
if (clientKey == null)
{
// If the .js.map file file does not contain the proper info, use content hash as a fallback
try
{
using (var fileStream = FileStreamUtility.OpenFileStreamForAsync(fileName, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete))
{
var hash = await HashInfoLookup.GetContentHasher(HashType.SHA256).GetContentHashAsync(fileStream);
var clientId = hash.ToHex().ToLowerInvariant();
clientKey = CreateClientKey(clientId, Path.GetFileName(fileName));
}
}
catch (IOException)
{
return(new DebugEntryData[0]);
}
catch (UnauthorizedAccessException)
{
return(new DebugEntryData[0]);
}
}
BlobIdentifier blobId = null;
if (calculateBlobId)
{
var blobDescriptor = await FileBlobDescriptor.CalculateAsync(file.DirectoryName, chunkDedup : false, file.Name, FileBlobType.File, CancellationToken.None);
blobId = blobDescriptor.BlobIdentifier;
}
return(new[] {
new DebugEntryData()
{
BlobIdentifier = blobId,
ClientKey = clientKey,
InformationLevel = DebugInformationLevel.Private
}
});
}