/// <summary>
/// Create a request to initialize a request.
/// </summary>
/// <returns>
/// An HttpWebRequest configured to initialize a request.
/// </returns>
/// <param name="contentLength">Length of the content to be uploaded (in bytes).</param>
/// <param name="contentType">Content type of the content to be uploaded.</param>
private HttpWebRequest CreateInitializeRequest(long contentLength, string contentType)
{
HttpWebRequestBuilder builder = new HttpWebRequestBuilder()
{
BaseUri = new Uri(this.baseUri),
Method = this.httpMethod,
Path = this.path,
HttpRequestFactory = this.RequestFactory,
};
builder.AddParameter(RequestParameterType.Query, "uploadType", "resumable");
SetAllPropertyValues(builder);
var request = builder.GetWebRequest();
request.Headers.Add(PayloadContentTypeHeader, contentType);
request.Headers.Add(PayloadContentLengthHeader, contentLength.ToString());
if (this.Authenticator != null)
{
Authenticator.ApplyAuthenticationToRequest(request);
}
string bodyText = this.Serializer.Serialize(this.Body);
byte[] body = Encoding.UTF8.GetBytes(bodyText);
request.ContentType = JsonMimeType;
request.ContentLength = body.Length;
var requestBodyStream = request.GetRequestStream();
requestBodyStream.Write(body, 0, body.Length);
return(request);
}
/// <summary>
/// Initializes the resumable upload by calling the resumable rest interface to get
/// a unique upload Location
/// </summary>
/// <returns>
/// The unique upload location for this upload, returned in the Location header
/// </returns>
private string InitializeUpload(Stream payload)
{
var request = BuildInitRequest();
request.ServicePoint.Expect100Continue = false;
request.Headers.Add("X-Upload-Content-Type", "image/jpeg");
request.Headers.Add("X-Upload-Content-Length", payload.Length.ToString());
Authenticator.ApplyAuthenticationToRequest(request);
var j = new Json.NewtonsoftJsonSerializer();
var o = j.Serialize(this.GetRequestBody());
byte[] body = Encoding.UTF8.GetBytes(o);
request.ContentType = "application/json";
request.ContentLength = body.Length;
var s = request.GetRequestStream();
s.Write(body, 0, body.Length);
WebResponse response = request.GetResponse();
return(response.Headers["Location"]);
}
internal WebRequest CreateWebRequest(Action <WebRequest> onRequestReady)
{
HttpWebRequest request = BuildRequest();
// Create the request.
Authenticator.ApplyAuthenticationToRequest(request);
// Insert the content type and user agent.
request.ContentType = string.Format(
"{0}; charset={1}", GetReturnMimeType(ReturnType), ContentCharset.WebName);
string appName = FormatForUserAgent(ApplicationName);
string apiVersion = FormatForUserAgent(ApiVersion);
string platform = FormatForUserAgent(Environment.OSVersion.Platform.ToString());
string platformVer = FormatForUserAgent(Environment.OSVersion.Version.ToString());
// The UserAgent header can only be set on a non-Silverlight platform.
// Silverlight uses the user agent of the browser instead.
#if !SILVERLIGHT
request.UserAgent = String.Format(UserAgent, appName, apiVersion, platform, platformVer);
#endif
// Add the E-tag header:
if (!string.IsNullOrEmpty(ETag))
{
ETagAction action = this.ETagAction;
if (action == ETagAction.Default)
{
action = GetDefaultETagAction(request.Method);
}
switch (action)
{
case ETagAction.IfMatch:
request.Headers[HttpRequestHeader.IfMatch] = ETag;
break;
case ETagAction.IfNoneMatch:
request.Headers[HttpRequestHeader.IfNoneMatch] = ETag;
break;
}
}
// Check if compression is supported.
#if !SILVERLIGHT
if (Service.GZipEnabled)
{
request.UserAgent += GZipUserAgentSuffix;
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
#endif
// Attach a body if a POST and there is something to attach.
if (HttpMethodHasBody(request.Method))
{
if (!string.IsNullOrEmpty(Body))
{
AttachBody(request, onRequestReady);
return(request);
}
else
{
// Set the "Content-Length" header, which is required for every http method declaring a body. This
// is required as e.g. the google servers will throw a "411 - Length required" error otherwise.
#if !SILVERLIGHT
request.ContentLength = 0;
#else
// Set by the browser on Silverlight. Cannot be modified by the user.
#endif
}
}
onRequestReady(request);
return(request);
}
