/**
* This function deletes a folder and all containing files. If it's unable to delete ANYTHING - file or folder,
* it halts immediately and returns false.
*
* This also sucks. This has failed to properly delete module folders since 2.0.0.
*
* @param string $folder
* @return boolean
*/
function ft_delete_folder($directory)
{
if (substr($directory, -1) == '/') {
$directory = substr($directory, 0, -1);
}
if (!file_exists($directory) || !is_dir($directory)) {
return false;
} elseif (is_readable($directory)) {
$handle = opendir($directory);
while (false !== ($item = readdir($handle))) {
if ($item != '.' && $item != '..') {
$path = $directory . '/' . $item;
if (is_dir($path)) {
ft_delete_folder($path);
} else {
unlink($path);
}
}
}
closedir($handle);
if (!rmdir($directory)) {
return false;
}
}
return true;
/*
if (is_dir($folder))
{
$handle = opendir($folder);
}
else
return false;
while (false !== ($file = @readdir($handle)))
{
if ($file != "." && $file != "..")
{
if (!is_dir($folder . "/" . $file))
{
if (!@unlink($folder . "/" . $file))
return false;
}
else
{
@closedir($handle);
ft_delete_folder($folder . '/' . $file);
}
}
}
@closedir($handle);
if (!@rmdir($folder))
return false;
return true;
*/
}
/**
* Uninstalls a module from the database.
*
* @param integer $module_id
*/
function ft_uninstall_module($module_id)
{
global $g_table_prefix, $LANG, $g_root_dir, $g_delete_module_folder_on_uninstallation;
$module_info = ft_get_module($module_id);
$module_folder = $module_info["module_folder"];
if (empty($module_info)) {
return false;
}
$success = true;
$has_custom_uninstall_script = false;
if (is_file("{$g_root_dir}/modules/{$module_folder}/library.php")) {
@(include_once "{$g_root_dir}/modules/{$module_folder}/library.php");
$uninstall_function_name = "{$module_folder}__uninstall";
if (function_exists($uninstall_function_name)) {
$has_custom_uninstall_script = true;
// get the module language file contents and store the info in the $LANG global for
// so it can be accessed by the uninstallation script
$LANG[$module_folder] = ft_get_module_lang_file_contents($module_folder);
list($success, $custom_message) = $uninstall_function_name($module_id);
// if there was a custom message returned (error or notification), overwrite the default
// message
if (!empty($custom_message)) {
$message = $custom_message;
}
}
}
// finally, if there wasn't a custom uninstallation script, or there WAS and it was successfully
// run, remove the module record and any old database references
if (!$has_custom_uninstall_script || $has_custom_uninstall_script && $success) {
// delete the module tables
mysql_query("DELETE FROM {$g_table_prefix}modules WHERE module_id = {$module_id}");
mysql_query("DELETE FROM {$g_table_prefix}module_menu_items WHERE module_id = {$module_id}");
// if this module was used in any menus, update them
$query = mysql_query("\n SELECT DISTINCT menu_id\n FROM {$g_table_prefix}menu_items\n WHERE page_identifier = 'module_{$module_id}'\n ");
$affected_menu_ids = array();
while ($row = mysql_fetch_assoc($query)) {
$affected_menu_ids[] = $row["menu_id"];
}
if (!empty($affected_menu_ids)) {
mysql_query("\n DELETE FROM {$g_table_prefix}menu_items\n WHERE page_identifier = 'module_{$module_id}'\n ");
// now update the orders of all affected menus
foreach ($affected_menu_ids as $menu_id) {
ft_update_menu_order($menu_id);
}
// if rows were deleted, re-cache the admin menu and update the ordering of the admin account.
// ASSUMPTION: only administrator accounts can have modules as items (will need to update at some
// point soon, no doubt).
ft_cache_account_menu($_SESSION["ft"]["account"]["account_id"]);
ft_update_menu_order($_SESSION["ft"]["account"]["menu_id"]);
}
// delete any hooks registered by this module
ft_unregister_module_hooks($module_folder);
}
// now delete the entire module folder
$deleted = false;
if ($g_delete_module_folder_on_uninstallation) {
$deleted = ft_delete_folder("{$g_root_dir}/modules/{$module_folder}");
}
if ($deleted) {
$message = $LANG["notify_module_uninstalled"];
} else {
$message = $LANG["notify_module_uninstalled_files_not_deleted"];
}
extract(ft_process_hook_calls("end", compact("module_id", "success", "message"), array("success", "message")), EXTR_OVERWRITE);
return array($success, $message);
}
