private static async Task <XmlDocument> SimpleRequest(string method, HttpAsyncRequestFilter filter, XmlRequestResult result, params string[] parameters)
{
string absUri = UrlHelper.SafeToAbsoluteUri(result.uri);
if (parameters.Length > 0)
{
FormData formData = new FormData(true, parameters);
if (absUri.IndexOf('?') == -1)
{
absUri += "?" + formData.ToString();
}
else
{
absUri += "&" + formData.ToString();
}
}
RedirectHelper.SimpleRequest simpleRequest = new RedirectHelper.SimpleRequest(method, filter);
var response = await RedirectHelper.GetResponse(absUri, new RedirectHelper.RequestFactory(simpleRequest.Create));
try
{
result.uri = response.RequestMessage.RequestUri;
result.responseHeaders = response.Headers;
return(await ParseXmlResponse(response));
}
finally
{
if (response != null)
{
response.Dispose();
}
}
}
/// <param name="uri"></param>
/// <param name="methods">An array of HTTP methods that should be tried until one of them does not return 405.</param>
private static async Task <string> GetEtagImpl(string uri, HttpAsyncRequestFilter requestFilter, params string[] methods)
{
try
{
var response = await RedirectHelper.GetResponse(uri,
new RedirectHelper.RequestFactory(new RedirectHelper.SimpleRequest(methods[0], requestFilter).Create));
try
{
return(FilterWeakEtag(response.Headers["ETag"]));
}
finally
{
response.Dispose();
}
}
catch (WebException we)
{
if (methods.Length > 1 && we.Status == WebExceptionStatus.ProtocolError)
{
HttpWebResponse resp = we.Response as HttpWebResponse;
if (resp != null && (resp.StatusCode == HttpStatusCode.MethodNotAllowed || resp.StatusCode == HttpStatusCode.NotImplemented))
{
string[] newMethods = new string[methods.Length - 1];
Array.Copy(methods, 1, newMethods, 0, newMethods.Length);
return(await GetEtagImpl(uri, requestFilter, newMethods));
}
}
throw;
}
}
/// <summary>
/// Create an XmlRpcClient for the specified host name
/// </summary>
/// <param name="hostname"></param>
public XmlRpcClient(string hostname, string userAgent, HttpAsyncRequestFilter filter, string transportEncoding)
{
_hostname = hostname;
_userAgent = userAgent;
_requestFilter = filter;
_transportEncoding = transportEncoding;
}
public AtomMediaUploader(XmlNamespaceManager nsMgr, HttpAsyncRequestFilter requestFilter, string collectionUri, IBlogClientOptions options, XmlRestRequestHelper xmlRestRequestHelper)
{
this._nsMgr = nsMgr;
this._requestFilter = requestFilter;
this._collectionUri = collectionUri;
this._options = options;
this.xmlRestRequestHelper = xmlRestRequestHelper;
}
public SendFactory(string etag, string method, HttpAsyncRequestFilter filter, string contentType, XmlDocument doc, string encoding)
{
_etag = etag;
_method = method;
_filter = filter;
_contentType = contentType;
_doc = doc;
//select the encoding
_encodingToUse = new UTF8Encoding(false, false);
try
{
_encodingToUse = Encoding.GetEncoding(encoding);
}
catch (Exception ex)
{
//Debug.Fail("Error while getting transport encoding: " + ex.ToString());
}
}
protected virtual async Task <XmlDocument> Send(string method, string etag, HttpAsyncRequestFilter filter, string contentType, XmlDocument doc, string encoding, string filename, bool ignoreResponse, XmlRequestResult result)
{
if (!String.IsNullOrEmpty(filename))
{
return(MultipartSend(method, etag, filter, contentType, doc, encoding, filename, ignoreResponse,
result));
}
string absUri = UrlHelper.SafeToAbsoluteUri(result.uri);
Debug.WriteLine("XML Request to " + absUri + ":\r\n" + doc.GetXml());
SendFactory sf = new SendFactory(etag, method, filter, contentType, doc, encoding);
var response = await RedirectHelper.GetResponse(absUri, new RedirectHelper.RequestFactory(sf.Create));
try
{
result.responseHeaders = response.Headers;
result.uri = response.RequestMessage.RequestUri;
if (ignoreResponse || response.StatusCode == Windows.Web.Http.HttpStatusCode.NoContent)
{
return(null);
}
else
{
XmlDocument xmlDocResponse = await ParseXmlResponse(response);
return(xmlDocResponse);
}
}
finally
{
if (response != null)
{
response.Dispose();
}
}
}
public MultipartMimeSendFactory(HttpAsyncRequestFilter filter, XmlDocument xmlRequest, string filename, string encoding, MultipartMimeRequestHelper multipartMimeRequestHelper)
{
if (xmlRequest == null)
{
throw new ArgumentNullException();
}
// Add boundary to params
_filename = filename;
_xmlDoc = xmlRequest;
_filter = filter;
_multipartMimeRequestHelper = multipartMimeRequestHelper;
//select the encoding
_encoding = new UTF8Encoding(false, false);
try
{
_encoding = Encoding.GetEncoding(encoding);
}
catch (Exception ex)
{
//Debug.Fail("Error while getting transport encoding: " + ex.ToString());
}
}
public async Task <HttpResponseMessage> SendAuthenticatedHttpRequest(string requestUri, int timeoutMs, HttpAsyncRequestFilter filter)
{
return(await BlogClientHelper.SendAuthenticatedHttpRequest(requestUri, filter, await CreateAuthorizationFilter()));
}
public AtomMediaUploader(XmlNamespaceManager nsMgr, HttpAsyncRequestFilter requestFilter, string collectionUri, IBlogClientOptions options)
: this(nsMgr, requestFilter, collectionUri, options, new XmlRestRequestHelper())
{
}
public async static Task <HttpResponseMessage> SendRequest(string requestUri, HttpAsyncRequestFilter filter)
{
var httpClient = new HttpClient();
var request = CreateHttpWebRequest(requestUri, true, null, null);
if (filter != null)
{
await filter(request);
}
// get the response
try
{
var response = await httpClient.SendRequestAsync(request);
//hack: For some reason, disabling auto-redirects also disables throwing WebExceptions for 300 status codes,
//so if we detect a non-2xx error code here, throw a web exception.
response.EnsureSuccessStatusCode();
return(response);
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.Timeout)
{
//throw a typed exception that lets callers know that the response timed out after the request was sent
throw new WebResponseTimeoutException(e);
}
else
{
throw;
}
}
}
public static Task <HttpResponseMessage> SendAuthenticatedHttpRequest(string requestUri, HttpAsyncRequestFilter filter, HttpAsyncRequestFilter credentialsFilter)
{
// build filter list
ArrayList filters = new ArrayList();
if (filter != null)
{
filters.Add(filter);
}
if (credentialsFilter != null)
{
filters.Add(credentialsFilter);
}
// send request
try
{
return(HttpRequestHelper.SendRequest(
requestUri,
CompoundHttpRequestFilter.Create(filters.ToArray(typeof(HttpAsyncRequestFilter)) as HttpAsyncRequestFilter[])));
}
catch (BlogClientOperationCancelledException)
{
// if we are in silent mode and failed to authenticate then try again w/o requiring auth
//if ( BlogClientUIContext.SilentModeForCurrentThread )
//{
// return HttpRequestHelper.SendRequest( requestUri, filter ) ;
//}
//else
//{
throw;
//}
}
}
public virtual async Task <HttpResponseMessage> SendAuthenticatedHttpRequest(string requestUri, int timeoutMs, HttpAsyncRequestFilter filter)
{
return(await BlogClientHelper.SendAuthenticatedHttpRequest(requestUri, filter, await CreateCredentialsFilter(requestUri)));
}
public async static Task <HttpResponseMessage> SafeSendRequest(string requestUri, HttpAsyncRequestFilter filter)
{
try
{
return(await SendRequest(requestUri, filter));
}
catch (WebException we)
{
//if (ApplicationDiagnostics.TestMode)
// LogException(we);
return(null);
}
}
/// <summary>
/// Performs an HTTP DELETE on the URL and contains no body, returns the body as an XmlDocument if there is one
/// </summary>
public virtual Task <XmlDocument> Delete(HttpAsyncRequestFilter filter, XmlRequestResult result)
{
return(SimpleRequest("DELETE", filter, result, new string[] { }));
}
public static async Task <string> GetEtag(string uri, HttpAsyncRequestFilter requestFilter)
{
return(await GetEtagImpl(uri, requestFilter, "HEAD", "GET"));
}
/// <summary>
/// Performs an HTTP PUT with the specified XML document as the request body.
/// </summary>
public Task <XmlDocument> Put(string etag, HttpAsyncRequestFilter filter, string contentType, XmlDocument doc, string encoding, bool ignoreResponse, XmlRequestResult result)
{
return(Send("PUT", etag, filter, contentType, doc, encoding, null, ignoreResponse, result));
}
/// <summary>
/// Performs a multipart MIME HTTP POST with the specified XML document as the request body and filename as the payload.
/// </summary>
public Task <XmlDocument> Post(HttpAsyncRequestFilter filter, string contentType, XmlDocument doc, string encoding, string filename, XmlRequestResult result)
{
return(Send("POST", null, filter, contentType, doc, encoding, filename, false, result));
}
protected virtual XmlDocument MultipartSend(string method, string etag, HttpAsyncRequestFilter filter, string contentType, XmlDocument doc, string encoding, string filename, bool ignoreResponse, XmlRequestResult result)
{
throw new NotImplementedException();
}
/// <summary>
/// Retrieve the specified URI, using the given filter, with the supplied parameters (if any).
/// The parameters parameter should be an even number of strings, where each odd element is
/// a param name and each following even element is the corresponding param value. For example,
/// to retrieve http://www.vox.com/atom?svc=post&id=100, you would say:
///
/// Get("http://www.vox.com/atom", "svc", "post", "id", "100");
///
/// If a param value is null or empty string, that param will not be included in the final URL
/// (i.e. the corresponding param name will also be dropped).
/// </summary>
public virtual Task <XmlDocument> Get(HttpAsyncRequestFilter filter, XmlRequestResult result, params string[] parameters)
{
return(SimpleRequest("GET", filter, result, parameters));
}
public SimpleRequest(string method, HttpAsyncRequestFilter filter)
{
_method = method;
_filter = filter;
}
