Added UI flow for creating default admin account. Dialog will show up after enabling or in the login menu if the admin account isn't present

backend/app.js

@@ -2735,6 +2735,16 @@ app.post('/api/auth/jwtAuth'
         , auth_api.generateJWT
         , auth_api.returnAuthResponse
 );
+app.post('/api/auth/changePassword', optionalJwt, async (req, res) => {
+    let user_uid = req.user.uid;
+    let password = req.body.password;
+    let success = await auth_api.changeUserPassword(user_uid, password);
+    res.send({success: success});
+});
+app.post('/api/auth/adminExists', async (req, res) => {
+    let exists = auth_api.adminExists();
+    res.send({exists: exists});
+});
 
 app.use(function(req, res, next) {
     //if the request is not html then move along

backend/authentication/auth.js

@@ -96,7 +96,8 @@ exports.registerUser = function(req, res) {
           video: []
         },
         subscriptions: [],
-        created: Date.now()
+        created: Date.now(),
+        role: userid === 'admin' ? 'admin' : 'user'
       };
       // check if user exists
       if (users_db.get('users').find({uid: userid}).value()) {
@@ -238,6 +239,23 @@ exports.ensureAuthenticatedElseError = function(req, res, next) {
   }
 }
 
+// change password
+exports.changeUserPassword = async function(user_uid, new_pass) {
+  return new Promise(resolve => {
+    bcrypt.hash(new_pass, saltRounds)
+    .then(function(hash) {
+      users_db.get('users').find({uid: user_uid}).assign({passhash: hash}).write();
+      resolve(true);
+    }).catch(err => {
+      resolve(false);
+    });
+  });
+}
+
+exports.adminExists = function() {
+  return !!users_db.get('users').find({uid: 'admin'}).value();
+}
+
 // video stuff
 
 exports.getUserVideos = function(user_uid, type) {