Added a method to access protected resources.

Readme.md

@@ -1,3 +1,5 @@
 node-oauth
 ===========
 A simple oauth API for node.js .  This API allows users to authenticate against OAUTH providers, and thus act as OAuth consumers
+
+Tested against both Twitter (http://twitter.com) and term.ie (http://term.ie/oauth/example/)

examples/term.ie.oauth.js

@@ -0,0 +1,37 @@
+var sys= require('sys')
+
+var OAuth= require('../lib/oauth').OAuth;
+
+var oa= new OAuth("http://term.ie/oauth/example/request_token.php",
+                  "http://term.ie/oauth/example/access_token.php",
+                  null,
+                  "key",
+                  "secret",
+                  "1.0",
+                  "HMAC-SHA1")
+
+oa.getOAuthRequestToken(function(error, oauth_token, oauth_token_secret, authorize_url,  results){
+  if(error) sys.puts('error :' + error)
+  else { 
+    sys.puts('oauth_token :' + oauth_token)
+    sys.puts('oauth_token_secret :' + oauth_token_secret)
+    sys.puts('requestoken results :' + sys.inspect(results))
+    sys.puts("Requesting access token")
+    oa.getOauthAccessToken(oauth_token, oauth_token_secret, function(error, oauth_access_token, oauth_access_token_secret, results2) {
+      sys.puts('oauth_access_token :' + oauth_access_token)
+      sys.puts('oauth_token_secret :' + oauth_access_token_secret)
+      sys.puts('accesstoken results :' + sys.inspect(results2))
+      sys.puts("Requesting access token")
+      var data= "";
+      oa.getProtectedResource(oauth_access_token, oauth_access_token_secret, "http://term.ie/oauth/example/echo_api.php?foo=bar&too=roo", function (response) {
+        response.setEncoding('utf8');
+        response.addListener('data', function (chunk) {
+          data+=chunk;
+        });
+        response.addListener('end', function () {
+          sys.puts(response.statusCode + " : " + data);
+        });
+      });
+    });
+  }
+})

lib/oauth.js

@@ -164,9 +164,9 @@ exports.OAuth.prototype.getOauthAccessToken= function(oauth_token, oauth_token_s
        } else {
          var results= querystring.parse( data );
          var oauth_token= results["oauth_token"];
-         results["oauth_token"]= undefined;
+         delete results["oauth_token"];
          var oauth_token_secret= results["oauth_token_secret"];
-         results["oauth_token_secret"]= undefined;
+         delete results["oauth_token_secret"];
          callback(null, oauth_token, oauth_token_secret, results );
        }
      });
@@ -174,6 +174,50 @@ exports.OAuth.prototype.getOauthAccessToken= function(oauth_token, oauth_token_s
    request.end();
  }
 
+exports.OAuth.prototype.getProtectedResource= function(oauth_token, oauth_token_secret, url, responseListener) {
+  var oauthParameters= {
+      "oauth_timestamp":        this._getTimestamp(),
+      "oauth_nonce":            this._getNonce(32),
+      "oauth_version":          this._version,
+      "oauth_signature_method": this._signatureMethod,
+      "oauth_consumer_key":     this._consumerKey,
+      "oauth_token": oauth_token
+  };
+
+  var parsedUrl= URL.parse( url, false );
+  if( parsedUrl.protocol == "http:" && !parsedUrl.port ) parsedUrl.port= 80;
+  if( parsedUrl.protocol == "https:" && !parsedUrl.port ) parsedUrl.port= 443;
+  
+  if( parsedUrl.query ) {
+   var extraParameters= querystring.parse(parsedUrl.query);
+   for(var key in extraParameters ) {
+     oauthParameters[key]= extraParameters[key];
+   }
+  }
+
+  var method= "GET";
+  var sig= this._getSignature( method,  url,  this._normaliseRequestParams(oauthParameters), oauth_token_secret);
+
+  var orderedParameters= this._sortRequestParams( oauthParameters );  
+  orderedParameters[orderedParameters.length]= ["oauth_signature", sig];
+
+  var query=""; 
+  for( var i= 0 ; i < orderedParameters.length; i++) {
+    query+= orderedParameters[i][0]+"="+ orderedParameters[i][1] + "&";
+  }
+  query= query.substring(0, query.length-1);
+
+
+  var oauthProvider=  http.createClient(parsedUrl.port, parsedUrl.hostname);
+  var headers= {'Host': parsedUrl.hostname}
+  var request = oauthProvider.request(method,  parsedUrl.pathname + "?" + query, headers);
+  var data=""; 
+  var self= this;
+  request.addListener('response', responseListener);
+  request.end();
+}
+ 
+
 exports.OAuth.prototype.getOAuthRequestToken= function(callback) {  
   var oauthParameters= {
       "oauth_timestamp":        this._getTimestamp(),