Fix a few minor error conditions

package.json

@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.58.2",
+  "version": "3.58.3",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },

src/channel/channel.js

@@ -338,7 +338,7 @@ Channel.prototype.checkModules = function (fn, args, cb) {
         };
 
         args.push(next);
-        next(null, ChannelModule.PASSTHROUGH);
+        process.nextTick(next, null, ChannelModule.PASSTHROUGH);
     });
 };
 

src/channel/kickban.js

@@ -232,7 +232,7 @@ KickBanModule.prototype.handleCmdBan = function (user, msg, _meta) {
     this.banName(user, name, reason).catch(error => {
         const message = error.message || error;
         user.socket.emit("errorMsg", { msg: message });
-    }).finally(() => {
+    }).then(() => {
         chan.refCounter.unref("KickBanModule::handleCmdBan");
     });
 };
@@ -264,7 +264,7 @@ KickBanModule.prototype.handleCmdIPBan = function (user, msg, _meta) {
         //console.log('!!!', error.stack);
         const message = error.message || error;
         user.socket.emit("errorMsg", { msg: message });
-    }).finally(() => {
+    }).then(() => {
         chan.refCounter.unref("KickBanModule::handleCmdIPBan");
     });
 };

src/database/accounts.js

@@ -228,6 +228,11 @@ module.exports = {
             return;
         }
 
+        if (!$util.isValidUserName(name)) {
+            callback(`Invalid username "${name}"`);
+            return;
+        }
+
         /* Passwords are capped at 100 characters to prevent a potential
            denial of service vector through causing the server to hash
            ridiculously long strings.