fix bug where we wouldn't know the userid immediately after authentication. ...

fix bug where we wouldn't know the userid immediately after authentication.  return userid from authenticate_user api and set it upon successful auth.

lib/wsapi/authenticate_user.js

@@ -61,7 +61,7 @@ exports.process = function(req, res) {
 
           wsapi.authenticateSession(req.session, uid, 'password',
                                     req.body.ephemeral ? config.get('ephemeral_session_duration_ms') : undefined);
-          res.json({ success: true });
+          res.json({ success: true, userid: uid });
 
 
           // if the work factor has changed, update the hash here.  issue #204

resources/static/shared/network.js

@@ -63,6 +63,11 @@ BrowserID.Network = (function() {
 
       if (typeof authenticated !== 'boolean') throw status;
 
+      // now update the userid which is set once the user is authenticated.
+      // this is used to key off client side state, like whether this user has
+      // confirmed ownership of this device
+      userid = status.userid;
+
       // at this point we know the authentication status of the
       // session, let's set it to perhaps save a network request
       // (to fetch session context).