Added support for custom callbacks via YML config.

.gitignore

@@ -0,0 +1 @@
+/spec/debug.log

app/controllers/sessions_controller.rb

@@ -4,7 +4,10 @@ def new
       @request_token = TwitterAuth.consumer.get_request_token
       session[:request_token] = @request_token.token
       session[:request_token_secret] = @request_token.secret
-      redirect_to @request_token.authorize_url
+
+      url = @request_token.authorize_url
+      url << "&oauth_callback=#{CGI.escape(TwitterAuth.oauth_callback)}" if TwitterAuth.oauth_callback?      
+      redirect_to url
     end
   end
 

app/models/twitter_auth/basic_user.rb

@@ -1,6 +1,6 @@
 module TwitterAuth
   class BasicUser < TwitterAuth::GenericUser
-
+    attr_protected :cryped_password, :salt
   end
 end
 

lib/twitter_auth.rb

@@ -3,7 +3,16 @@ module TwitterAuth
   self.base_url = 'https://twitter.com'
 
   def self.config(environment=RAILS_ENV)
-    YAML.load(File.open(RAILS_ROOT + '/config/twitter_auth.yml').read)[environment]
+    @config ||= {}
+    @config[environment] ||= YAML.load(File.open(RAILS_ROOT + '/config/twitter_auth.yml').read)[environment]
+  end
+
+  def self.oauth_callback?
+    config.key?('oauth_callback')
+  end
+
+  def self.oauth_callback
+    config['oauth_callback']
   end
 
   # The authentication strategy employed by this

spec/controllers/sessions_controller_spec.rb

@@ -37,6 +37,14 @@
         get :new
         response.should redirect_to('https://twitter.com/oauth/authorize?oauth_token=faketoken')
       end
+
+      it 'should redirect to the oauth_callback if one is specified' do
+        TwitterAuth.stub!(:oauth_callback).and_return('http://localhost:3000/development')
+        TwitterAuth.stub!(:oauth_callback?).and_return(true)        
+
+        get :new
+        response.should redirect_to('https://twitter.com/oauth/authorize?oauth_token=faketoken&oauth_callback=' + CGI.escape(TwitterAuth.oauth_callback))
+      end
     end
 
     describe '#oauth_callback' do

spec/fixtures/config/twitter_auth.yml

@@ -2,6 +2,7 @@ development:
   strategy: oauth
   oauth_consumer_key: devkey
   oauth_consumer_secret: devsecret
+  oauth_callback: "http://localhost:3000"
 test:
   strategy: oauth
   oauth_consumer_key: testkey