From 241867e93c2b0c482b0dce70f684dcf8c71d39bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9gory=20Soutad=C3=A9?= <soutade@gmail.com>
Date: Mon, 17 Apr 2017 20:37:26 +0200
Subject: [PATCH] Database access optimization if there is no shadow logins

---
 server/functions.php | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/server/functions.php b/server/functions.php
index 4202fa8..fea5be1 100755
--- a/server/functions.php
+++ b/server/functions.php
@@ -215,28 +215,29 @@ function delete_entry($user, $login, $access_token)
         return false;
     }
 
-    $db_ac = $db->querySingle("SELECT access_token FROM gpass WHERE login='" . $login . "'");
-    if (strlen($db_ac) != 0 && strcmp($db_ac, $access_token))
+    if ($USE_SHADOW_LOGINS)
     {
-        $db->close();
-        echo "Bad access token";
+        $db_ac = $db->querySingle("SELECT access_token FROM gpass WHERE login='" . $login . "'");
+        if (strlen($db_ac) != 0 && strcmp($db_ac, $access_token))
+            {
+                $db->close();
+                echo "Bad access token";
+                return false;
+            }
+    }
+
+    $result = $db->query("DELETE FROM gpass WHERE login='" . $login . "'");
+    $db->close();
+
+    if ($result == FALSE)
+    {
+        echo "Error " . $db->lastErrorMsg();
         return false;
     }
     else
     {
-        $result = $db->query("DELETE FROM gpass WHERE login='" . $login . "'");
-        $db->close();
-
-        if ($result == FALSE)
-        {
-            echo "Error " . $db->lastErrorMsg();
-            return false;
-        }
-        else
-        {
-            echo "OK";
-            return true;
-        }
+        echo "OK";
+        return true;
     }
 }