async Task <IStreamConsumer> CreateUploadConsumerAsync(Uri uri, string?overrideContentType, CancellationToken cancellationToken)
{
var client = CreateClient();
try
{
var contentType = Choose2(overrideContentType, ContentType, "application/octet-stream");
var bucketName = uri.Host;
var name = uri.AbsolutePath.Trim('/');
var predefinedAcl = IsPublic ? PredefinedAcls.Public : PredefinedAcls.Private;
var initEndpoint = CreateInitEndpoint(bucketName, predefinedAcl);
var token = await Credential.GetAccessTokenAsync(GoogleStorageCredential.ReadWriteScopes, cancellationToken).ConfigureAwait(false);
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
var gobj = new GoogleObjectData
{
ContentType = contentType,
CacheControl = CacheControl,
Name = name
};
Logger.LogInformation(
"Initializing GCS upload to gs://{0}/{1} with [Content-Type = {2}, CacheControl = {3}, PredefinedAcl = {4}].",
bucketName,
name,
contentType,
CacheControl,
predefinedAcl
);
var content = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(gobj));
content.Headers.ContentType = _jsonContentType;
using var request = new HttpRequestMessage(HttpMethod.Post, initEndpoint)
{
Content = content
};
request.Headers.Add("X-Upload-Content-Type", contentType);
using var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
response.EnsureSuccessStatusCode();
var uploadEndpoint = response.Headers.Location ?? throw new GoogleCloudStorageUploadException("Resumable upload response contans no location.");
return(new GoogleCloudStorageUploaderConsumer(client, uploadEndpoint, contentType));
}
catch (Exception)
{
// if no GoogleCloudStorageUploaderConsumer is created client should be disposed
client.Dispose();
throw;
}
}
public async Task CopyAsync(
string sourceBucket,
string sourceName,
string destinationBucket,
string destinationName,
string contentType,
string?cacheControl = default,
bool isPublic = true,
string?accessToken = default,
CancellationToken cancellationToken = default)
{
var requestUri = $"https://www.googleapis.com/storage/v1/b/{sourceBucket}/o/{Uri.EscapeDataString(sourceName)}/copyTo/b/{destinationBucket}/o/{Uri.EscapeDataString(destinationName)}";
using var client = CreateHttpClient();
using var request = new HttpRequestMessage(HttpMethod.Post, requestUri);
var obj = new GoogleObjectData
{
ContentType = contentType,
CacheControl = cacheControl ?? DefaultCacheControl
};
if (isPublic)
{
obj.Acl.Add(new GoogleAccessControlEntry
{
Entity = "allUsers",
Role = "READER"
});
}
request.Content = JsonContent.Create(obj, _jsonMediaType, _jsonOptions);
if (!string.IsNullOrEmpty(accessToken))
{
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
}
request.SetRequiredGSCScope(obj.Acl.Count > 0 ? FullControlScope : ReadWriteScope);
using var response = await client.SendAsync(request, HttpCompletionOption.ResponseContentRead, cancellationToken)
.ConfigureAwait(false);
response.EnsureSuccessStatusCode();
}
