Now handle logout by invalidating session in database

lib/Packets.dart

@@ -326,6 +326,26 @@ class C2SSessionCheckPacket extends IPacket {
   }
 }
 
+class C2SLogoutPacket extends IPacket {
+  UUID ID;
+  C2SLogoutPacket({required this.ID});
+
+  @override
+  HTTPMethod method() {
+    return HTTPMethod.Post;
+  }
+
+  @override
+  String getType() {
+    return "C2SLogout";
+  }
+
+  @override
+  String encode() {
+    return json.encode({"type": getType(), "id": ID.toString()});
+  }
+}
+
 class S2CSessionCheckPacket extends IPacket {
   String id;
   final bool valid;

lib/pages/OpenSim.dart

@@ -202,7 +202,10 @@ class OpenSimPageState extends State<OpenSimPage> {
                                               await settings
                                                   .sendPacketToEndpoint(
                                                       APIEndpoint.Logout,
-                                                      NullPacket());
+                                                      C2SLogoutPacket(
+                                                          ID: settings
+                                                              .currentUser!
+                                                              .loginToken));
 
                                               SharedPreferences prefs =
                                                   await SharedPreferences

php/Logout.php

@@ -2,7 +2,13 @@
 if(!defined("COMMON"))
     require ("Common.php");
 
-// Edit database?
+
+// Edit database
+$js = getJsonizedInput();
+$token = $js['id'];
+
+$DB = get_DB();
+$res = $DB->query("UPDATE `auth` SET `webLoginKey` = '".NULLKEY."' WHERE `webLoginKey` = '".$token."';");
 
 die(json_encode(array(
     "done" => true,