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namespace DotNetOpenAuth.OpenId.ChannelElements {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DotNetOpenAuth.Messaging;
using System.IO;
using System.Net;
internal class Accept400ErrorDirectWebRequestHandlerWrapper : IDirectWebRequestHandler {
private IDirectWebRequestHandler wrappedHandler;
internal Accept400ErrorDirectWebRequestHandlerWrapper(IDirectWebRequestHandler wrappedHandler) {
ErrorUtilities.VerifyArgumentNotNull(wrappedHandler, "wrappedHandler");
this.wrappedHandler = wrappedHandler;
}
internal IDirectWebRequestHandler WrappedHandler {
get { return this.wrappedHandler; }
}
#region IDirectWebRequestHandler Members
public Stream GetRequestStream(HttpWebRequest request) {
return this.wrappedHandler.GetRequestStream(request);
}
public DirectWebResponse GetResponse(HttpWebRequest request) {
try {
return this.wrappedHandler.GetResponse(request);
} catch (ProtocolException ex) {
WebException innerWeb = ex.InnerException as WebException;
if (innerWeb != null && innerWeb.Status == WebExceptionStatus.ProtocolError) {
HttpWebResponse httpResponse = innerWeb.Response as HttpWebResponse;
if (httpResponse != null && httpResponse.StatusCode == HttpStatusCode.BadRequest) {
// This is OK. The OpenID spec says that server errors be returned as HTTP 400,
// So we'll just swallow the exception and generate the message that's in the
// error response.
}
}
// This isn't a recognized acceptable case.
throw;
}
}
#endregion
}
internal class Accept400ErrorDirectSslWebRequestHandlerWrapper : Accept400ErrorDirectWebRequestHandlerWrapper, IDirectSslWebRequestHandler {
private IDirectSslWebRequestHandler wrappedHandler;
internal Accept400ErrorDirectSslWebRequestHandlerWrapper(IDirectSslWebRequestHandler wrappedHandler)
: base(wrappedHandler) {
this.wrappedHandler = wrappedHandler;
}
#region IDirectSslWebRequestHandler Members
public Stream GetRequestStream(HttpWebRequest request, bool requireSsl) {
return this.wrappedHandler.GetRequestStream(request, requireSsl);
}
public DirectWebResponse GetResponse(HttpWebRequest request, bool requireSsl) {
try {
return this.wrappedHandler.GetResponse(request, requireSsl);
} catch (ProtocolException ex) {
WebException innerWeb = ex.InnerException as WebException;
if (innerWeb != null && innerWeb.Status == WebExceptionStatus.ProtocolError) {
HttpWebResponse httpResponse = innerWeb.Response as HttpWebResponse;
if (httpResponse != null && httpResponse.StatusCode == HttpStatusCode.BadRequest) {
// This is OK. The OpenID spec says that server errors be returned as HTTP 400,
// So we'll just swallow the exception and generate the message that's in the
// error response.
}
}
// This isn't a recognized acceptable case.
throw;
}
}
#endregion
}
}
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