/// <summary>
/// Invalidates the OAuth 2 Bearer Token.
/// </summary>
/// <param name="tokens">An instance of <see cref="OAuth2Token"/>.</param>
/// <returns>The invalidated token.</returns>
public static string InvalidateToken(this OAuth2Token tokens)
{
try
{
return(from x in Request.HttpPost(
GetInvalidateTokenUrl(tokens.ConnectionOptions),
new Dictionary <string, object>()
{
{ "access_token", Uri.UnescapeDataString(tokens.BearerToken) }
},
CreateCredentials(tokens.ConsumerKey, tokens.ConsumerSecret),
tokens.ConnectionOptions).Use()
from y in new StreamReader(x.GetResponseStream()).Use()
select(string) JObject.Parse(y.ReadToEnd())["access_token"]);
}
catch (WebException ex)
{
var tex = TwitterException.Create(ex);
if (tex != null)
{
throw tex;
}
throw;
}
}
/// <summary>
/// Gets the OAuth 2 Bearer Token.
/// </summary>
/// <param name="consumerKey">The consumer key.</param>
/// <param name="consumerSecret">The consumer secret.</param>
/// <param name="options">The connection options for the request.</param>
/// <returns>The tokens.</returns>
public static OAuth2Token GetToken(string consumerKey, string consumerSecret, ConnectionOptions options = null)
{
if (options == null)
{
options = new ConnectionOptions();
}
try
{
var token = from x in Request.HttpPost(
GetAccessTokenUrl(options),
new Dictionary <string, object>()
{
{ "grant_type", "client_credentials" }
}, // At this time, only client_credentials is allowed.
CreateCredentials(consumerKey, consumerSecret),
options).Use()
from y in new StreamReader(x.GetResponseStream()).Use()
select(string) JObject.Parse(y.ReadToEnd())["access_token"];
var t = OAuth2Token.Create(consumerKey, consumerSecret, token);
t.ConnectionOptions = options;
return(t);
}
catch (WebException ex)
{
var tex = TwitterException.Create(ex);
if (tex != null)
{
throw tex;
}
throw;
}
}
/// <summary>
/// <para>Generates the authorize URI.</para>
/// <para>Then call <see cref="GetTokens"/> after get the pin code.</para>
/// </summary>
/// <param name="consumerKey">The Consumer key.</param>
/// <param name="consumerSecret">The Consumer secret.</param>
/// <param name="oauthCallback">
/// <para>For OAuth 1.0a compliance this parameter is required.</para>
/// <para>The value you specify here will be used as the URL a user is redirected to should they approve your application's access to their account.</para>
/// <para>Set this to oob for out-of-band pin mode.</para>
/// <para>This is also how you specify custom callbacks for use in desktop/mobile applications.</para>
/// <para>Always send an oauth_callback on this step, regardless of a pre-registered callback.</para>
/// </param>
/// <param name="options">The connection options for the request.</param>
/// <returns>The authorize URI.</returns>
public static OAuthSession Authorize(string consumerKey, string consumerSecret, string oauthCallback = "oob", ConnectionOptions options = null)
{
if (options == null)
{
options = new ConnectionOptions();
}
var reqUrl = GetRequestTokenUrl(options);
// Note: Twitter says,
// "If you're using HTTP-header based OAuth, you shouldn't include oauth_* parameters in the POST body or querystring."
var prm = new Dictionary <string, object>();
if (!string.IsNullOrEmpty(oauthCallback))
{
prm.Add("oauth_callback", oauthCallback);
}
var header = Tokens.Create(consumerKey, consumerSecret, null, null)
.CreateAuthorizationHeader(MethodType.Post, reqUrl, prm);
try
{
var dic = from x in Request.HttpPost(reqUrl, prm, header, options).Use()
from y in new StreamReader(x.GetResponseStream()).Use()
select y.ReadToEnd()
.Split('&')
.Where(z => z.Contains('='))
.Select(z => z.Split('='))
.ToDictionary(z => z[0], z => z[1]);
return(new OAuthSession()
{
RequestToken = dic["oauth_token"],
RequestTokenSecret = dic["oauth_token_secret"],
ConsumerKey = consumerKey,
ConsumerSecret = consumerSecret,
ConnectionOptions = options
});
}
catch (WebException ex)
{
var tex = TwitterException.Create(ex);
if (tex != null)
{
throw tex;
}
throw;
}
}
/// <summary>
/// <para>Gets the OAuth tokens.</para>
/// <para>Be sure to call <see cref="Authorize"/> before call this method.</para>
/// </summary>
/// <param name="session">The OAuth session.</param>
/// <param name="oauthVerifier">The pin code.</param>
/// <returns>The tokens.</returns>
public static Tokens GetTokens(this OAuthSession session, string oauthVerifier)
{
var options = session.ConnectionOptions ?? new ConnectionOptions();
var reqUrl = GetAccessTokenUrl(options);
var prm = new Dictionary <string, object>()
{
{ "oauth_verifier", oauthVerifier }
};
var header = Tokens.Create(session.ConsumerKey, session.ConsumerSecret, session.RequestToken, session.RequestTokenSecret)
.CreateAuthorizationHeader(MethodType.Post, reqUrl, prm);
try
{
var dic = from x in Request.HttpPost(reqUrl, prm, header, options).Use()
from y in new StreamReader(x.GetResponseStream()).Use()
select y.ReadToEnd()
.Split('&')
.Where(z => z.Contains('='))
.Select(z => z.Split('='))
.ToDictionary(z => z[0], z => z[1]);
var t = Tokens.Create(session.ConsumerKey, session.ConsumerSecret,
dic["oauth_token"], dic["oauth_token_secret"], long.Parse(dic["user_id"]), dic["screen_name"]);
t.ConnectionOptions = options;
return(t);
}
catch (WebException ex)
{
var tex = TwitterException.Create(ex);
if (tex != null)
{
throw tex;
}
throw;
}
}