/// <summary>
/// Gets the direct response of a direct HTTP request.
/// </summary>
/// <param name="webRequest">The web request.</param>
/// <returns>The response to the web request.</returns>
/// <exception cref="ProtocolException">Thrown on network or protocol errors.</exception>
protected override DirectWebResponse GetDirectResponse(HttpWebRequest webRequest)
{
DirectWebResponse response = this.WebRequestHandler.GetResponse(webRequest, DirectWebRequestOptions.AcceptAllHttpResponses);
// Filter the responses to the allowable set of HTTP status codes.
if (response.Status != HttpStatusCode.OK && response.Status != HttpStatusCode.BadRequest)
{
if (Logger.IsErrorEnabled)
{
using (var reader = new StreamReader(response.ResponseStream)) {
Logger.ErrorFormat(
"Unexpected HTTP status code {0} {1} received in direct response:{2}{3}",
(int)response.Status,
response.Status,
Environment.NewLine,
reader.ReadToEnd());
}
}
// Call dispose before throwing since we're not including the response in the
// exception we're throwing.
response.Dispose();
ErrorUtilities.ThrowProtocol(OpenIdStrings.UnexpectedHttpStatusCode, (int)response.Status, response.Status);
}
return(response);
}
/// <summary>
/// Gets the protocol message that may be in the given HTTP response.
/// </summary>
/// <param name="response">The response that is anticipated to contain an protocol message.</param>
/// <returns>
/// The deserialized message parts, if found. Null otherwise.
/// </returns>
protected override IDictionary <string, string> ReadFromResponseInternal(DirectWebResponse response)
{
ErrorUtilities.VerifyArgumentNotNull(response, "response");
string body = response.GetResponseReader().ReadToEnd();
return(HttpUtility.ParseQueryString(body).ToDictionary());
}
/// <summary>
/// Gets the protocol message that may be in the given HTTP response.
/// </summary>
/// <param name="response">The response that is anticipated to contain an protocol message.</param>
/// <returns>
/// The deserialized message parts, if found. Null otherwise.
/// </returns>
/// <exception cref="ProtocolException">Thrown when the response is not valid.</exception>
protected override IDictionary <string, string> ReadFromResponseInternal(DirectWebResponse response)
{
if (response == null)
{
throw new ArgumentNullException("response");
}
try {
return(this.keyValueForm.GetDictionary(response.ResponseStream));
} catch (FormatException ex) {
throw ErrorUtilities.Wrap(ex, ex.Message);
}
}
