/// <summary>
/// Parses the OAuth parameters from a OAuthProtectedResponse.
/// </summary>
/// <param name="response">The OAuthProtectedResponse</param>
/// <returns>
/// An OAuthParameters object containing the parsed reserved OAuth parameters and any additional, valid parameters.</returns>
public static OAuthParameters Parse(OAuthResource response)
{
if (response == null)
{
return(null);
}
NameValueCollection bodyParams = new NameValueCollection();
using (MemoryStream ms = new MemoryStream())
{
System.IO.Stream stream = response.GetResponseStream();
byte[] buffer = new byte[32768];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
Encoding bodyEncoding = Encoding.ASCII;
if (!String.IsNullOrEmpty(response.ContentEncoding))
{
bodyEncoding = Encoding.GetEncoding(response.ContentEncoding);
}
string responseBody = bodyEncoding.GetString(ms.ToArray());
string[] nameValuePairs = responseBody.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string nameValuePair in nameValuePairs)
{
string[] nameValuePairParts = nameValuePair.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (nameValuePairParts.Length == 2)
{
bodyParams.Add(HttpUtility.UrlDecode(nameValuePairParts[0]), HttpUtility.UrlDecode(nameValuePairParts[1]));
}
}
// Reset the stream
stream.Position = 0;
}
return(OAuthParameters.DoParse(null, response.Headers[Constants.WwwAuthenticateHeaderParameter], bodyParams, null, OAuthParameterSources.ConsumerDefault, false));
}
/// <summary>
/// Parses the OAuth parameters from a OAuthProtectedResponse.
/// </summary>
/// <param name="response">The OAuthProtectedResponse</param>
/// <returns>
/// An OAuthParameters object containing the parsed reserved OAuth parameters and any additional, valid parameters.</returns>
public static OAuthParameters Parse(OAuthResource response)
{
if (response == null)
return null;
NameValueCollection bodyParams = new NameValueCollection();
using (MemoryStream ms = new MemoryStream())
{
System.IO.Stream stream = response.GetResponseStream();
byte[] buffer = new byte[32768];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
Encoding bodyEncoding = Encoding.ASCII;
if (!String.IsNullOrEmpty(response.ContentEncoding))
bodyEncoding = Encoding.GetEncoding(response.ContentEncoding);
string responseBody = bodyEncoding.GetString(ms.ToArray());
string[] nameValuePairs = responseBody.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string nameValuePair in nameValuePairs)
{
string[] nameValuePairParts = nameValuePair.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (nameValuePairParts.Length == 2)
bodyParams.Add(HttpUtility.UrlDecode(nameValuePairParts[0]), HttpUtility.UrlDecode(nameValuePairParts[1]));
}
// Reset the stream
stream.Position = 0;
}
return OAuthParameters.DoParse(null, response.Headers[Constants.WwwAuthenticateHeaderParameter], bodyParams, null, OAuthParameterSources.ConsumerDefault, false);
}
private OAuthResponse GetResource(NameValueCollection parameters, string contentType, System.IO.Stream bodyStream)
{
OAuthResponse response;
HttpWebRequest request = this.PrepareProtectedResourceRequest(parameters, contentType, bodyStream);
// A null value for the HttpWebRequest is returned when a ResponseToken is returned
// and no one has returned in the AuthorizationHandler continue with getting an AccessToken
// or an RequestToken exists but the AccessToken request was refused.
if (request == null)
response = new OAuthResponse(this.RequestToken);
else
{
OAuthResource resource;
OAuthParameters responseParameters;
try
{
resource = new OAuthResource((HttpWebResponse)request.GetResponse());
// Parse the parameters and re-throw any OAuthRequestException from the service provider
responseParameters = OAuthParameters.Parse(resource);
OAuthRequestException.TryRethrow(responseParameters);
// If nothing is thrown then we should have a valid resource.
response = new OAuthResponse(this.AccessToken ?? this.RequestToken, resource);
}
catch (WebException e)
{
// Parse the parameters and re-throw any OAuthRequestException from the service provider
responseParameters = OAuthParameters.Parse(e.Response as HttpWebResponse);
OAuthRequestException.TryRethrow(responseParameters);
// If no OAuthRequestException, rethrow the WebException
#warning TODO: We have consumer the WebException's body so rethrowing it is pretty pointless; wrap the WebException in an OAuthProtocolException and store the body (create an OAuthResource before parsing parameters)
throw;
}
}
return response;
}
internal OAuthResponse(IToken token, OAuthResource resource)
{
this.Token = token;
this.ProtectedResource = resource;
this.HasProtectedResource = resource != null;
}
