private string GetAuthorizationHeader(WebParameterCollection parameters)
{
var sb = new StringBuilder();
if (!string.IsNullOrEmpty(Realm))
{
sb.Append(string.Format("realm=\"{0}\",", OAuthTools.UrlEncodeRelaxed(Realm)));
}
parameters.Sort((l, r) => string.Compare(l.Name, r.Name, StringComparison.Ordinal));
var parameterCount = 0;
var oathParameters = parameters.Where(
parameter => !string.IsNullOrEmpty(parameter.Name) &&
!string.IsNullOrEmpty(parameter.Value) &&
(parameter.Name.StartsWith("oauth_") || parameter.Name.StartsWith("x_auth_"))).ToList();
foreach (var parameter in oathParameters)
{
parameterCount++;
var format = parameterCount < oathParameters.Count ? "{0}=\"{1}\"," : "{0}=\"{1}\"";
sb.Append(string.Format(format, parameter.Name, parameter.Value));
}
var authorization = sb.ToString();
return(string.Format("{0} {1}", AuthenticationMethod, authorization));
}
/// <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>
/// <a href="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 OAuthWebQueryInfo BuildClientAuthAccessTokenInfo(string method, WebParameterCollection parameters)
{
ValidateClientAuthAccessRequestState();
if (parameters == null)
{
parameters = new WebParameterCollection();
}
var uri = new Uri(AccessTokenUrl);
var timestamp = CreateTimestampFunc();
var nonce = OAuthTools.GetNonce(RandomNumberGenerator);
AddXAuthParameters(parameters, timestamp, nonce);
var signatureBase = OAuthTools.ConcatenateRequestElements(method, uri.ToString(), parameters);
var signature = OAuthTools.GetSignature(SignatureProvider, SignatureTreatment, signatureBase, ConsumerSecret);
var info = new OAuthWebQueryInfo
{
WebMethod = method,
ParameterHandling = ParameterHandling,
ClientMode = "client_auth",
ClientUsername = ClientUsername,
ClientPassword = ClientPassword,
ConsumerKey = ConsumerKey,
SignatureMethod = SignatureProvider.Id,
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 requesting an
/// unauthorized request token.
/// </summary>
/// <param name="method">The HTTP method for the intended request</param>
/// <param name="parameters">Any existing, non-OAuth query parameters desired in the request</param>
/// <a href="http://oauth.net/core/1.0#anchor9"/>
/// <returns></returns>
public OAuthWebQueryInfo BuildRequestTokenInfo(string method, WebParameterCollection parameters)
{
ValidateTokenRequestState();
if (parameters == null)
{
parameters = new WebParameterCollection();
}
var timestamp = CreateTimestampFunc();
var nonce = OAuthTools.GetNonce(RandomNumberGenerator);
AddAuthParameters(parameters, timestamp, nonce);
var signatureBase = OAuthTools.ConcatenateRequestElements(method, RequestTokenUrl, parameters);
var signature = OAuthTools.GetSignature(SignatureProvider, SignatureTreatment, signatureBase, ConsumerSecret);
var info = new OAuthWebQueryInfo
{
WebMethod = method,
ParameterHandling = ParameterHandling,
ConsumerKey = ConsumerKey,
SignatureMethod = SignatureProvider.Id,
SignatureTreatment = SignatureTreatment,
Signature = signature,
Timestamp = timestamp,
Nonce = nonce,
Version = Version ?? "1.0",
Callback = OAuthTools.UrlEncodeRelaxed(CallbackUrl ?? string.Empty),
TokenSecret = TokenSecret,
ConsumerSecret = ConsumerSecret
};
return(info);
}
public OAuthWebQueryInfo BuildProtectedResourceInfo(string method, WebParameterCollection parameters, string url)
{
ValidateProtectedResourceState();
if (parameters == null)
{
parameters = new WebParameterCollection();
}
// Include url parameters in query pool
var uri = new Uri(url);
var urlParameters = uri.Query.ParseQueryString();
foreach (var parameter in urlParameters.Keys)
{
parameters.Add(new WebParameter(parameter, urlParameters[parameter], WebParameterType.Query));
}
var timestamp = CreateTimestampFunc();
var nonce = OAuthTools.GetNonce(RandomNumberGenerator);
AddAuthParameters(parameters, timestamp, nonce);
var signatureBase = OAuthTools.ConcatenateRequestElements(method, url, parameters);
var signature = OAuthTools.GetSignature(
SignatureProvider, SignatureTreatment, signatureBase, ConsumerSecret, TokenSecret);
var info = new OAuthWebQueryInfo
{
WebMethod = method,
ParameterHandling = ParameterHandling,
ConsumerKey = ConsumerKey,
Token = Token,
SignatureMethod = SignatureProvider.Id,
SignatureTreatment = SignatureTreatment,
Signature = signature,
Timestamp = timestamp,
Nonce = nonce,
Version = Version ?? "1.0",
Callback = CallbackUrl,
ConsumerSecret = ConsumerSecret,
TokenSecret = TokenSecret
};
return(info);
}