Update server:

* Check that $db variable is OK before processing database requests
	* Don't close $db before calling lastErrorMsg()
	* Add support for user & url parameters from gPass popup

server/functions.php

@@ -1,6 +1,6 @@
 <?php
 /*
-  Copyright (C) 2013-2017 Grégory Soutadé
+  Copyright (C) 2013-2019 Grégory Soutadé
   
   This file is part of gPass.
   
@@ -241,18 +241,21 @@ function delete_entry($user, $login, $access_token)
     }
 
     $result = $db->exec("DELETE FROM gpass WHERE login='" . $login . "'");
-    $db->close();
 
     if (!$result)
     {
         echo "Error " . $db->lastErrorMsg();
-        return false;
+        $ret = false;
     }
     else
     {
         echo "OK";
-        return true;
+        $ret = true;
     }
+
+    
+    $db->close();
+    return $ret;
 }
 
 function update_entry($user, $mkey, $old_login, $url, $login, $password, $shadow_login, $salt, $old_access_token, $new_access_token)
@@ -329,4 +332,4 @@ function get_secure_entries($user, $access_tokens)
     $db->close();
 }
 
-?>
+?>