public async Task UploadFile(string sourcePath, string destinationPath, string contentType = "text/plain", IProgress <StreamProgress> checksumProgress = null, IProgress <StreamProgress> uploadProgress = null)
{
// Ensure the file cannot be altered whilst being uploaded.
using (var fs = new FileStream(sourcePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var qs = new ProgressReportingStream(fs))
{
// The B2 HTTP api requires the SHA1 checksum before uploading; this means the file must be
// read twice, doh!
var e = new B2UrlEncoder();
var shaTask = Task.Run(() => SHA1.Create().ComputeHash(qs));
if (checksumProgress != null)
{
while (await Task.WhenAny(shaTask, Task.Delay(100)) != shaTask)
{
checksumProgress.Report(qs.Progress());
}
}
await shaTask;
if (checksumProgress != null)
{
checksumProgress.Report(qs.Progress());
}
var sha1hex = new StringBuilder(40);
foreach (var b in shaTask.Result)
{
sha1hex.AppendFormat("{0:X2}", b);
}
qs.Position = 0;
var getUploadUrlResponse = await b2api.GetUploadUrl(ApiUrl, AuthorizationToken, BucketId).ConfigureAwait(false);
var url = getUploadUrlResponse.uploadUrl;
var attributes = new Dictionary <string, string>();
var fileInfo = new FileInfo(sourcePath);
attributes["last_modified_millis"] = fileInfo.LastWriteTimeUtc.ToUnixTimeMillis().ToString();
var uploadFileTask = b2api.UploadFile(url, getUploadUrlResponse.authorizationToken, destinationPath, contentType, fileInfo.Length, sha1hex.ToString(), attributes, qs);
if (uploadProgress != null)
{
while (await Task.WhenAny(uploadFileTask, Task.Delay(100)) != uploadFileTask)
{
uploadProgress.Report(qs.Progress());
}
}
await uploadFileTask;
if (uploadProgress != null)
{
uploadProgress.Report(qs.Progress());
}
}
}
public async Task <GetUploadUrlResponse> GetUploadUrl() => await api.GetUploadUrl(ApiUrl, AuthToken, BucketId);
