Adding ability to specify an agent for OAuth2 requests

lib/oauth2.js

@@ -15,7 +15,16 @@ exports.OAuth2= function(clientId, clientSecret, baseSite, authorizePath, access
   this._authMethod= "Bearer";
   this._customHeaders = customHeaders || {};
   this._useAuthorizationHeaderForGET= false;
-}
+
+  //our agent
+  this._agent = undefined;
+};
+
+// Allows you to set an agent to use instead of the default HTTP or
+// HTTPS agents. Useful when dealing with your own certificates.
+exports.OAuth2.prototype.setAgent = function(agent) {
+  this._agent = agent;
+};
 
 // This 'hack' method is required for sites that don't use
 // 'access_token' as the name of the access token (for requests).
@@ -129,6 +138,11 @@ exports.OAuth2.prototype._executeRequest= function( http_library, options, post_
 
   var result= "";
 
+  //set the agent on the request options
+  if (this._agent) {
+    options.agent = this._agent;
+  }
+
   var request = http_library.request(options);
   request.on('response', function (response) {
     response.on("data", function (chunk) {

package.json

@@ -1,6 +1,6 @@
 { "name" : "oauth"
 , "description" : "Library for interacting with OAuth 1.0, 1.0A, 2 and Echo.  Provides simplified client access and allows for construction of more complex apis and OAuth providers."
-, "version" : "0.9.14"
+, "version" : "0.9.15"
 , "directories" : { "lib" : "./lib" }
 , "main" : "index.js"
 , "author" : "Ciaran Jessup <ciaranj@gmail.com>"

tests/oauth2tests.js

@@ -286,5 +286,19 @@ vows.describe('OAuth2').addBatch({
           oa.get("", {});
         }
       }
+    },
+    'When specifying an agent, that agent is passed to the HTTP request method' : {
+      topic : new OAuth2('clientId', 'clientSecret', undefined, undefined, undefined, undefined),
+      'When calling _executeRequest': {
+        'we whould see the agent being put into the options' : function(oa) {
+          oa.setAgent('awesome agent');
+          oa._executeRequest({
+            request : function(options, cb) {
+              assert.equal(options.agent, 'awesome agent');
+              return new DummyRequest(new DummyResponse(200));
+            }
+          }, {}, null, function() {});
+        }
+      }
     }
 }).export(module);