/// <summary>
/// Creates a request elements concatentation value to send with a request.
/// This is also known as the signature base.
/// </summary>
/// <seealso href="http://oauth.net/core/1.0#rfc.section.9.1.3"/>
/// <seealso href="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 = string.Concat(method.ToUpper(), "&");
var requestUrl = string.Concat(UrlEncodeRelaxed(ConstructRequestUrl(new Uri(url))), "&");
var requestParameters = UrlEncodeRelaxed(NormalizeRequestParameters(parameters));
sb.Append(requestMethod);
sb.Append(requestUrl);
sb.Append(requestParameters);
return(sb.ToString());
}
/// <summary>
/// Sorts a <see cref="WebParameterCollection"/> by name, and then value if equal.
/// </summary>
/// <param name="parameters">A collection of parameters to sort</param>
/// <returns>A sorted parameter collection</returns>
public static WebParameterCollection SortParametersExcludingSignature(WebParameterCollection parameters)
{
var copy = new WebParameterCollection(parameters);
var exclusions = copy.Where(n => EqualsIgnoreCase(n.Name, "oauth_signature"));
copy.RemoveAll(exclusions);
foreach (var parameter in copy)
{
parameter.Name = UrlEncodeStrict(parameter.Name);
parameter.Value = UrlEncodeStrict(parameter.Value);
}
copy.Sort((x, y) => x.Name.Equals(y.Name) ? x.Value.CompareTo(y.Value) : x.Name.CompareTo(y.Name));
return(copy);
}
private void AddXAuthParameters(ICollection <WebParameter> parameters, string timestamp, string nonce)
{
var authParameters = new WebParameterCollection
{
new WebParameter("x_auth_username", ClientUsername),
new WebParameter("x_auth_password", ClientPassword),
new WebParameter("x_auth_mode", "client_auth"),
new WebParameter("oauth_consumer_key", ConsumerKey),
new WebParameter("oauth_signature_method", ToRequestValue(SignatureMethod)),
new WebParameter("oauth_timestamp", timestamp),
new WebParameter("oauth_nonce", nonce),
new WebParameter("oauth_version", Version ?? "1.0")
};
foreach (var authParameter in authParameters)
{
parameters.Add(authParameter);
}
}
private static string WriteAuthorizationQuery(WebParameterCollection parameters)
{
var sb = new StringBuilder();
parameters.Sort((l, r) => l.Name.CompareTo(r.Name));
var count = 0;
foreach (var parameter in parameters.Where(parameter =>
!IsNullOrBlank(parameter.Name) &&
!IsNullOrBlank(parameter.Value) &&
(parameter.Name.StartsWith("oauth_") || parameter.Name.StartsWith("x_auth_"))))
{
count++;
var format = count < parameters.Count ? "{0}={1}&" : "{0}={1}";
sb.AppendFormat(format, parameter.Name, parameter.Value);
}
var authorization = sb.ToString();
return(authorization);
}
public string GetAuthorizationHeader(WebParameterCollection parameters)
{
switch (Type)
{
case OAuthRequestType.RequestToken:
ValidateRequestState();
return(GetSignatureAuthorizationHeader(parameters));
case OAuthRequestType.AccessToken:
ValidateAccessRequestState();
return(GetSignatureAuthorizationHeader(parameters));
case OAuthRequestType.ProtectedResource:
ValidateProtectedResourceState();
return(GetSignatureAuthorizationHeader(parameters));
case OAuthRequestType.ClientAuthentication:
ValidateClientAuthAccessRequestState();
return(GetClientSignatureAuthorizationHeader(parameters));
default:
throw new ArgumentOutOfRangeException();
}
}
private void AddAuthParameters(ICollection <WebParameter> parameters, string timestamp, string nonce)
{
var authParameters = new WebParameterCollection
{
new WebParameter("oauth_consumer_key", ConsumerKey),
new WebParameter("oauth_nonce", nonce),
new WebParameter("oauth_signature_method", ToRequestValue(SignatureMethod)),
new WebParameter("oauth_timestamp", timestamp),
new WebParameter("oauth_version", Version ?? "1.0")
};
if (!IsNullOrBlank(Token))
{
authParameters.Add(new WebParameter("oauth_token", Token));
}
if (!IsNullOrBlank(CallbackUrl))
{
authParameters.Add(new WebParameter("oauth_callback", CallbackUrl));
}
if (!IsNullOrBlank(Verifier))
{
authParameters.Add(new WebParameter("oauth_verifier", Verifier));
}
if (!IsNullOrBlank(SessionHandle))
{
authParameters.Add(new WebParameter("oauth_session_handle", SessionHandle));
}
foreach (var authParameter in authParameters)
{
parameters.Add(authParameter);
}
}
public string GetAuthorizationHeader()
{
var collection = new WebParameterCollection(Parameters);
return(GetAuthorizationHeader(collection));
}
public string GetAuthorizationQuery()
{
var collection = new WebParameterCollection(0);
return(GetAuthorizationQuery(collection));
}
public string GetAuthorizationQuery(IDictionary <string, string> parameters)
{
var collection = new WebParameterCollection(parameters);
return(GetAuthorizationQuery(collection));
}
public string GetAuthorizationQuery(NameValueCollection parameters)
{
var collection = new WebParameterCollection(parameters);
return(GetAuthorizationQuery(collection));
}
public virtual void AddRange(WebParameterCollection collection)
{
AddCollection(collection);
}
