//
// Used to authorize an HTTP request going to TwitPic
//
public static void AuthorizeTwitPic(AuthConfig config, HttpWebRequest wc, string oauthToken, string oauthTokenSecret)
{
var headers = new Dictionary<string, string>() {
{ "oauth_consumer_key", config.ConsumerKey },
{ "oauth_nonce", MakeNonce () },
{ "oauth_signature_method", "HMAC-SHA1" },
{ "oauth_timestamp", MakeTimestamp () },
{ "oauth_token", oauthToken },
{ "oauth_version", "1.0" },
//{ "realm", "http://api.twitter.com" }
};
string signurl = "http://api.twitter.com/1/account/verify_credentials.xml";
// The signature is not done against the *actual* url, it is done against the verify_credentials.json one
string signature = MakeSignature("GET", signurl, headers);
string compositeSigningKey = MakeSigningKey(config.ConsumerSecret, oauthTokenSecret);
string oauth_signature = MakeOAuthSignature(compositeSigningKey, signature);
headers.Add("oauth_signature", OAuthUtils.PercentEncode(oauth_signature));
//Util.Log ("Headers: " + HeadersToOAuth (headers));
wc.Headers.Add("X-Verify-Credentials-Authorization", HeadersToOAuth(headers));
wc.Headers.Add("X-Auth-Service-Provider", signurl);
}
// Constructor for standard OAuth
public OAuthAuthorizer(AuthConfig config)
{
this.config = config;
}
//
// Assign the result to the Authorization header, like this:
// request.Headers [HttpRequestHeader.Authorization] = AuthorizeRequest (...)
//
public static string AuthorizeRequest(AuthConfig config, string oauthToken, string oauthTokenSecret, string method, Uri uri, string data)
{
var headers = new Dictionary<string, string>() {
{ "oauth_consumer_key", config.ConsumerKey },
{ "oauth_nonce", MakeNonce () },
{ "oauth_signature_method", "HMAC-SHA1" },
{ "oauth_timestamp", MakeTimestamp () },
{ "oauth_token", oauthToken },
{ "oauth_version", "1.0" }};
var signatureHeaders = new Dictionary<string, string>(headers);
// Add the data and URL query string to the copy of the headers for computing the signature
if (data != null && data != "")
{
var parsed = HttpUtility.ParseQueryString(data);
foreach (string k in parsed.Keys)
{
signatureHeaders.Add(k, OAuthUtils.PercentEncode(parsed[k]));
}
}
var nvc = HttpUtility.ParseQueryString(uri.Query);
foreach (string key in nvc)
{
if (key != null)
signatureHeaders.Add(key, OAuthUtils.PercentEncode(nvc[key]));
}
string signature = MakeSignature(method, uri.GetLeftPart(UriPartial.Path), signatureHeaders);
string compositeSigningKey = MakeSigningKey(config.ConsumerSecret, oauthTokenSecret);
string oauth_signature = MakeOAuthSignature(compositeSigningKey, signature);
headers.Add("oauth_signature", OAuthUtils.PercentEncode(oauth_signature));
return HeadersToOAuth(headers);
}
