admin mode

Only admin can move robot after voltage drops below a set limit (12.5V)

Author: Keep3r

README.md

@@ -1,3 +1,8 @@
 # sandbot-node
 
 sandbot-node
+
+1. install nodejs
+2. cd to directory
+3. run "npm install"
+4. run "node app.js"

app.js

@@ -35,13 +35,6 @@ var numUsers = 0;
 
 io.on('connection', function(socket)
 {
-
-    /*
-    console.log(io.sockets.sockets.map(function(e) {
-        return e.username;
-    }));
-    */
-
     var addedUser = false;
 
     console.log('user connected: ' + socket.id);
@@ -71,6 +64,12 @@ io.on('connection', function(socket)
             }
         }
 
+        if(username == "admin")
+        {
+            fn('Du bist kein Administrator');
+            return;
+        }
+
         fn(null);
     });
 
@@ -85,6 +84,17 @@ io.on('connection', function(socket)
             }
         }
 
+        // administrator benutzer name
+        if(username == "hansdampf42")
+        {
+            socket.isAdmin = true;
+            username = "admin";
+        }
+        else
+        {
+            socket.isAdmin = false;
+        }
+
         // we store the username in the socket session for this client
         socket.username = username;
 
@@ -136,12 +146,26 @@ io.on('connection', function(socket)
 
     socket.on('add control user', function(fn)
     {
+        var info = theInfo.getInfo();
+
+        if(!socket.isAdmin && info.Voltage < info.VoltageLimit)
+        {
+            return fn(false);
+        }
+
         theQueue.addUserToQueue(socket.username, socket.id, fn);
         io.emit('queue', theQueue.getQueue());
     });
 
     socket.on('move', function(data, fn)
     {
+        var info = theInfo.getInfo();
+
+        if(!socket.isAdmin && info.Voltage < info.VoltageLimit)
+        {
+            return fn(false);
+        }
+
         if(socket.id == global.ControllingSocketId)
         {
             move.moveRobot(data, fn);

public/index.html

@@ -99,6 +99,11 @@
 
                         <div class="panel-footer text-right">
                                 Spannung: <div id="voltage" class="inline"></div>V
+                                <div id="robotOffline" class="inline">
+                                    (Der Roboter kann nur über einer Spannung von
+                                    <div id="voltageLimit" class="inline"></div>
+                                    V gesteuert werden)
+                                </div>
                         </div>
                     </div>
 

public/js/sandbot-chat.js

@@ -38,6 +38,14 @@ socket.on('login', function (data) {
         prepend: true
     });
     addParticipantsMessage(data);
+
+    if(data.username == "admin")
+    {
+        // Admin darf immer steuern
+        // Dies wird auch vom Server kontrolliert
+        $('#bJoinControl').prop('disabled', false);
+    }
+
 });
 
 // Whenever the server emits 'new message', update the chat body

public/js/sandbot.js

@@ -33,6 +33,21 @@ socket.on('queue', function(msg)
 socket.on('info', function(data)
 {
     $('#voltage').text(data.Voltage);
+    $('#voltageLimit').text(data.VoltageLimit);
+
+    // Roboter unter eine Spannungsgrenze sperren
+    // Dies wird auch vom Server gesperrt, sinnlos zu versuchen den Browser zu ueberlisten
+    if(data.Voltage < data.VoltageLimit)
+    {
+        $('#bJoinControl').prop('disabled', true);
+        $("#robotOffline").removeClass('hidden');
+    }
+    else
+    {
+        $('#bJoinControl').prop('disabled', false);
+        $("#robotOffline").addClass('hidden');
+    }
+
 });
 
 socket.on('ControlStart', function(data)

routes/info.js

@@ -11,6 +11,7 @@ module.exports = function Info(io)
     var myInfo = new function InfoData()
     {
         this.Voltage = 0;
+        this.VoltageLimit = 12.5;
     }
 
     this.getInfo = function()