- deletion of calculated permissions when deleting a user

- taking into account locked categories during permissions calculation


git-svn-id: http://piwigo.org/svn/trunk@680 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions.php

@@ -321,7 +321,7 @@ DELETE FROM '.IMAGES_TABLE.'
 //     - all the links to any group
 //     - all the favorites linked to this user
 //     - all sessions linked to this user
-//     - all categories informations linked to this user
+//     - calculated permissions linked to the user
 function delete_user($user_id)
 {
   // destruction of the access linked to the user
@@ -352,6 +352,13 @@ DELETE FROM '.SESSIONS_TABLE.'
 ;';
   pwg_query($query);
 
+  // deletion of calculated permissions linked to the user
+  $query = '
+DELETE FROM '.USER_FORBIDDEN_TABLE.'
+  WHERE user_id = '.$user_id.'
+;';
+  pwg_query($query);
+
   // destruction of the user
   $query = '
 DELETE FROM '.USERS_TABLE.'

include/functions_user.inc.php

@@ -267,9 +267,10 @@ DELETE FROM '.FAVORITES_TABLE.'
  * belongs to minus the categories directly authorized to the user
  *
  * @param int user_id
+ * @param string user_status
  * @return string forbidden_categories
  */
-function calculate_permissions($user_id)
+function calculate_permissions($user_id, $user_status)
 {
   $private_array = array();
   $authorized_array = array();
@@ -284,6 +285,23 @@ SELECT id
   {
     array_push($private_array, $row['id']);
   }
+
+  // if user is not an admin, locked categories can be considered as private$
+  if ($user_status != 'admin')
+  {
+    $query = '
+SELECT id
+  FROM '.CATEGORIES_TABLE.'
+  WHERE visible = \'false\'
+;';
+    $result = pwg_query($query);
+    while ($row = mysql_fetch_array($result))
+    {
+      array_push($private_array, $row['id']);
+    }
+
+    $private_array = array_unique($private_array);
+  }
   
   // retrieve category ids directly authorized to the user
   $query = '

include/user.inc.php

@@ -128,7 +128,8 @@ if (!defined('IN_ADMIN') or !IN_ADMIN)
       or !is_bool($user['need_update'])
       or $user['need_update'] == true)
   {
-    $user['forbidden_categories'] = calculate_permissions($user['id']);
+    $user['forbidden_categories'] = calculate_permissions($user['id'],
+                                                          $user['status']);
   }
 }