/// <summary>
/// Call the B2 'Upload File' API (see https://www.backblaze.com/b2/docs/b2_upload_file.html)
/// </summary>
/// <param name="uploadUrl"></param>
/// <param name="authorizationToken"></param>
/// <param name="fileName"></param>
/// <param name="contentType"></param>
/// <param name="contentLength"></param>
/// <param name="contentSha1"></param>
/// <param name="fileInfo"></param>
/// <param name="file"></param>
/// <returns></returns>
public async Task <UploadFileResponse> UploadFile(string uploadUrl, string authorizationToken, string fileName, string contentType, long contentLength, string contentSha1, Dictionary <string, string> attributes, Stream content)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes");
}
Trace(() => $"UploadFile: uploadUrl={uploadUrl}, authorizationToken={authorizationToken}, fileName={fileName}, contentType={contentType}, contentLength={contentLength}, contentSha1={contentSha1}, attributes={ToString(attributes)}");
var headers = (attributes.ToDictionary(a => $"X-Bz-Info-{a.Key}", a => a.Value));
headers["X-Bz-File-Name"] = B2UrlEncoder.Encode(fileName.Replace('\\', '/'));
headers["Content-Type"] = contentType;
headers["Content-Length"] = contentLength.ToString();
headers["X-Bz-Content-Sha1"] = contentSha1;
var request = new HttpRequestMessage(HttpMethod.Post, uploadUrl)
.WithAuthorization(authorizationToken)
.WithContent(content)
.WithContentHeaders(headers);
var response = await httpClient.SendAsync(request).ConfigureAwait(false);
var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
ThrowIfFailure(response, responseStream);
Trace(() => "UploadFile completed");
return(UploadFileResponse.FromJson(responseStream));
}
public void ShouldThrowOnInvalidAsciiCharacter()
{
Assert.That(() => B2UrlEncoder.Decode("abc\n"),
Throws.Exception
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Invalid URL encoded string 'abc\n' - invalid character '\n' at position 3"));
}
public void ShouldThrowOn16BitCharacter()
{
Assert.That(() => B2UrlEncoder.Decode("abc\u263A"),
Throws.Exception
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Invalid URL encoded string 'abc\u263A': found 16-bit code point at position 3"));
}
public void ShouldThrowOnTruncatedString()
{
Assert.That(() => B2UrlEncoder.Decode("%2"),
Throws.Exception
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Invalid URL encoded string '%2' - Expected hex digit but string was truncated"));
}
public void ShouldThrowOnInvalidHexDigit()
{
Assert.That(() => B2UrlEncoder.Decode("%2!2"),
Throws.Exception
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Invalid URL encoded string '%2!2' at position 2 - Unable to parse '!' as a hex digit"));
}
public void ShouldThrowOnEncodeInvalidHexDigit()
{
Assert.That(() => B2UrlEncoder.EncodeHexDigit(-1),
Throws.Exception
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Cannot convert integer -1 to hex digit"));
}
public void UrlDecodeMinimal()
{
foreach (var testCase in testData.testCases)
{
var decoded = B2UrlEncoder.Decode(testCase.minimallyEncoded);
Assert.AreEqual(testCase.s, decoded);
}
}
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 void UrlEncode()
{
foreach (var testCase in testData.testCases)
{
var encoded = B2UrlEncoder.Encode(testCase.s);
var acceptableEncodings = new[] { testCase.minimallyEncoded, testCase.fullyEncoded };
Assert.Contains(encoded, acceptableEncodings);
}
}
