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 TestCase()
{
ISigningProvider rsa = new RsaSha1SigningProvider()
{
// PFX file is copied to output directory
PfxFile = @"WikiTests\testcase.rsa.pfx"
};
OAuthParameters parameters = new OAuthParameters()
{
SignatureMethod = "RSA-SHA1",
Version = Constants.Version1_0,
ConsumerKey = "dpf43f3p2l4k3l03",
Timestamp = "1196666512",
Nonce = "13917289812797014437"
};
parameters.AdditionalParameters.Add("file", "vacaction.jpg");
parameters.AdditionalParameters.Add("size", "original");
Uri baseUri = new Uri("http://photos.example.net/photos");
string sigbase = SignatureBase.Create(
"GET",
baseUri,
parameters);
Assert.That(sigbase, Is.EqualTo("GET&http%3A%2F%2Fphotos.example.net%2Fphotos&file%3Dvacaction.jpg%26oauth_consumer_key%3Ddpf43f3p2l4k3l03%26oauth_nonce%3D13917289812797014437%26oauth_signature_method%3DRSA-SHA1%26oauth_timestamp%3D1196666512%26oauth_version%3D1.0%26size%3Doriginal"));
parameters.Signature = rsa.ComputeSignature(sigbase, "kd94hf93k423kf44", null);
Assert.That(parameters.Signature, Is.EqualTo("jvTp/wX1TYtByB1m+Pbyo0lnCOLIsyGCH7wke8AUs3BpnwZJtAuEJkvQL2/9n4s5wUmUl4aCI4BwpraNx4RtEXMe5qg5T1LVTGliMRpKasKsW//e+RinhejgCuzoH26dyF8iY2ZZ/5D1ilgeijhV/vBka5twt399mXwaYdCwFYE="));
// There is no point comparing the URLs because order is not query string parameter important in URLs
}