public object BeforeSendRequest(ref Message request, IClientChannel channel)
{
HttpRequestMessageProperty httpRequestProperty = request.Properties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
NameValueCollection rawParameters = HttpUtility.ParseQueryString(request.Headers.To.Query);
UriBuilder uriBuilder = new UriBuilder(request.Headers.To);
uriBuilder.Query = Rfc3986.EncodeAndJoin(rawParameters);
request.Headers.To = uriBuilder.Uri;
OAuthConsumer consumer = new OAuthConsumer(_credentials.OAuthKey, _credentials.OAuthSecret);
int unixTime = UnixTime.ToUnixTime(DateTime.UtcNow);
OAuthParameters parameters = new OAuthParameters();
parameters.Version = Constants.Version1_0;
parameters.SignatureMethod = "RSA-SHA1";
parameters.ConsumerKey = _credentials.OAuthKey;
parameters.Token = _credentials.OAuthToken;
parameters.TokenSecret = _credentials.OAuthTokenSecret;
parameters.Timestamp = unixTime.ToString();
parameters.Nonce = _nonceProvider.GenerateNonce(unixTime);
RsaSha1SigningProvider provider = new RsaSha1SigningProvider();
provider.PfxFile = _credentials.OAuthPfxFile;
provider.PfxPassword = _credentials.OAuthPfxPassword;
parameters.Sign(request.Headers.To, httpRequestProperty.Method, consumer, null, provider);
httpRequestProperty.Headers["Authorization"] = parameters.ToHeaderFormat();
return null;
}
public void TestConsumerRequestSignature()
{
OAuthService service = OAuthService.Create(
new EndPoint("http://example.com/request_token"),
new Uri("http://example.com/authorize"),
new EndPoint("http://example.com/access_token"),
new MockConsumer()
{
Key = "dpf43f3p2l4k3l03",
Secret = "kd94hf93k423kf44",
Status = ConsumerStatus.Valid
});
OAuthRequest consumerRequest =
OAuthConsumerRequest.Create(
new EndPoint("http://provider.example.net/profile", "GET"),
service);
OAuthParameters authParameters = new OAuthParameters()
{
ConsumerKey = service.Consumer.Key,
Realm = service.Realm,
SignatureMethod = service.SignatureMethod,
Timestamp = "1191242096",
Nonce = "kllo9940pd9333jh",
Version = service.OAuthVersion
};
Assert.AreEqual(
SignatureBase.Create(consumerRequest.ResourceEndPoint.HttpMethod, consumerRequest.ResourceEndPoint.Uri, authParameters),
"GET&http%3A%2F%2Fprovider.example.net%2Fprofile&oauth_consumer_key%3Ddpf43f3p2l4k3l03%26oauth_nonce%3Dkllo9940pd9333jh%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1191242096%26oauth_version%3D1.0");
authParameters.Sign(consumerRequest.ResourceEndPoint.Uri,
consumerRequest.ResourceEndPoint.HttpMethod,
service.Consumer,
consumerRequest.RequestToken,
new OAuth.Net.Components.HmacSha1SigningProvider());
Assert.AreEqual( authParameters.Signature, "SGtGiOrgTGF5Dd4RUMguopweOSU=");
}
protected virtual void SignParameters(Uri requestUri, string httpMethod, OAuthParameters authParameters, IToken token)
{
// Check there is a signing provider for the signature method
ISigningProvider signingProvider = this.Service.ComponentLocator.GetInstance<ISigningProvider>(Constants.SigningProviderIdPrefix + this.Service.SignatureMethod);
if (signingProvider == null)
{
// There is no signing provider for this signature method
OAuthRequestException.ThrowSignatureMethodRejected(null);
}
// Double check the signing provider declares that it can handle the signature method
if (!signingProvider.SignatureMethod.Equals(this.Service.SignatureMethod))
OAuthRequestException.ThrowSignatureMethodRejected(null);
// Compute the signature
authParameters.Sign(requestUri, httpMethod, this.Service.Consumer, token, signingProvider);
}
