Generic OAuth provider support

Refactors facebook login into oauth generic login

Adds additional oauth2 providers

adds ability to pass an oAuth validator in the config

Adds Twitter validation support + OAuth 1 client

Support auth_token instead of access_token for twitter

Improves code coverage of OAuth

Adds validation of oauth provider structures

Better coverage of the OAuth spec

100% coverage of OAuth1.js

Adds passing auth_token_secret for Twitter auth.

Refactors auth validation methods to include authData parameter

- Adds ability to extens oauth validator through configuration
- Adds ability to extend oauth validator through external module (file or package)
- Adds more tests
- Adds tests to login with custom auth provider

Adds more tests for REST API

fixes twitter auth_token

f

spec/myoauth.js

@@ -0,0 +1,17 @@
+// Custom oauth provider by module
+
+// Returns a promise that fulfills iff this user id is valid.
+function validateAuthData(authData) {
+  if (authData.id == "12345" && authData.access_token == "12345") {
+    return Promise.resolve();
+  }
+  return Promise.reject();
+}
+function validateAppId() {
+  return Promise.resolve();
+}
+
+module.exports = {
+  validateAppId: validateAppId,
+  validateAuthData: validateAuthData
+};