/// <summary>
/// Creates a request elements concatentation value to send with a request.
/// This is also known as the signature base.
/// </summary>
/// <seealso cref="http://oauth.net/core/1.0#rfc.section.9.1.3"/>
/// <seealso cref="http://oauth.net/core/1.0#sig_base_example"/>
/// <param name="method">The request's HTTP method type</param>
/// <param name="url">The request URL</param>
/// <param name="parameters">The request's parameters</param>
/// <returns>A signature base string</returns>
public static string ConcatenateRequestElements(string method, string url, WebParameterCollection parameters)
{
var sb = new StringBuilder();
// Separating &'s are not URL encoded
var requestMethod = method.ToUpper().Then("&");
var requestUrl = UrlEncodeRelaxed(ConstructRequestUrl(url.AsUri())).Then("&");
var requestParameters = UrlEncodeRelaxed(NormalizeRequestParameters(parameters));
sb.Append(requestMethod);
sb.Append(requestUrl);
sb.Append(requestParameters);
return(sb.ToString());
}
private void AddXAuthParameters(ICollection <WebPair> parameters, string timestamp, string nonce)
{
var authParameters = new WebParameterCollection
{
new WebPair("x_auth_username", ClientUsername),
new WebPair("x_auth_password", ClientPassword),
new WebPair("x_auth_mode", "client_auth"),
new WebPair("oauth_consumer_key", ConsumerKey),
new WebPair("oauth_signature_method", SignatureMethod.ToRequestValue()),
new WebPair("oauth_timestamp", timestamp),
new WebPair("oauth_nonce", nonce),
new WebPair("oauth_version", Version ?? "1.0")
};
foreach (var authParameter in authParameters)
{
parameters.Add(authParameter);
}
}
/// <summary>
/// Generates a <see cref="OAuthWebQueryInfo"/> instance to pass to an
/// <see cref="IAuthenticator" /> for the purpose of exchanging user credentials
/// for an access token authorized by the user at the Service Provider site.
/// </summary>
/// <param name="method">The HTTP method for the intended request</param>
/// <seealso cref="http://tools.ietf.org/html/draft-dehora-farrell-oauth-accesstoken-creds-00#section-4"/>
/// <param name="parameters">Any existing, non-OAuth query parameters desired in the request</param>
public virtual OAuthWebQueryInfo BuildClientAuthAccessTokenInfo(string method, WebParameterCollection parameters)
{
ValidateClientAuthAccessRequestState();
if (parameters == null)
{
parameters = new WebParameterCollection();
}
var uri = new Uri(AccessTokenUrl);
var timestamp = OAuthTools.GetTimestamp();
var nonce = OAuthTools.GetNonce();
AddXAuthParameters(parameters, timestamp, nonce);
var signatureBase = OAuthTools.ConcatenateRequestElements(method, uri.ToString(), parameters);
var signature = OAuthTools.GetSignature(SignatureMethod, SignatureTreatment, signatureBase, ConsumerSecret);
var info = new OAuthWebQueryInfo
{
WebMethod = method,
ParameterHandling = ParameterHandling,
ClientMode = "client_auth",
ClientUsername = ClientUsername,
ClientPassword = ClientPassword,
ConsumerKey = ConsumerKey,
SignatureMethod = SignatureMethod.ToRequestValue(),
SignatureTreatment = SignatureTreatment,
Signature = signature,
Timestamp = timestamp,
Nonce = nonce,
Version = Version ?? "1.0",
TokenSecret = TokenSecret,
ConsumerSecret = ConsumerSecret
};
return(info);
}
/// <summary>
/// Generates a <see cref="OAuthWebQueryInfo"/> instance to pass to an
/// <see cref="IAuthenticator" /> for the purpose of exchanging a request token
/// for an access token authorized by the user at the Service Provider site.
/// </summary>
/// <param name="method">The HTTP method for the intended request</param>
/// <seealso cref="http://oauth.net/core/1.0#anchor9"/>
/// <param name="parameters">Any existing, non-OAuth query parameters desired in the request</param>
public virtual OAuthWebQueryInfo BuildAccessTokenInfo(string method, WebParameterCollection parameters)
{
ValidateAccessRequestState();
if (parameters == null)
{
parameters = new WebParameterCollection();
}
var uri = new Uri(AccessTokenUrl);
var timestamp = OAuthTools.GetTimestamp();
var nonce = OAuthTools.GetNonce();
AddAuthParameters(parameters, timestamp, nonce);
var signatureBase = OAuthTools.ConcatenateRequestElements(method, uri.ToString(), parameters);
var signature = OAuthTools.GetSignature(SignatureMethod, SignatureTreatment, signatureBase, ConsumerSecret, TokenSecret);
var info = new OAuthWebQueryInfo
{
WebMethod = method,
ParameterHandling = ParameterHandling,
ConsumerKey = ConsumerKey,
Token = Token,
SignatureMethod = SignatureMethod.ToRequestValue(),
SignatureTreatment = SignatureTreatment,
Signature = signature,
Timestamp = timestamp,
Nonce = nonce,
Version = Version ?? "1.0",
Verifier = Verifier,
Callback = CallbackUrl,
TokenSecret = TokenSecret,
ConsumerSecret = ConsumerSecret,
};
return(info);
}
private void AddAuthParameters(ICollection <WebPair> parameters, string timestamp, string nonce)
{
var authParameters = new WebParameterCollection
{
new WebPair("oauth_consumer_key", ConsumerKey),
new WebPair("oauth_nonce", nonce),
new WebPair("oauth_signature_method", SignatureMethod.ToRequestValue()),
new WebPair("oauth_timestamp", timestamp),
new WebPair("oauth_version", Version ?? "1.0")
};
if (!Token.IsNullOrBlank())
{
authParameters.Add(new WebPair("oauth_token", Token));
}
if (!CallbackUrl.IsNullOrBlank())
{
authParameters.Add(new WebPair("oauth_callback", CallbackUrl));
}
if (!Verifier.IsNullOrBlank())
{
authParameters.Add(new WebPair("oauth_verifier", Verifier));
}
if (!SessionHandle.IsNullOrBlank())
{
authParameters.Add(new WebPair("oauth_session_handle", SessionHandle));
}
foreach (var authParameter in authParameters)
{
parameters.Add(authParameter);
}
}
