From 207c2ae502f17f8af8fa02da0ffabe5869e2c96c Mon Sep 17 00:00:00 2001
From: Terranom674 <thomas_dannenberg@web.de>
Date: Tue, 18 Aug 2026 23:46:03 +0200
Subject: [PATCH] Clean stale WebDAV Piwigo sites after connection deletion

---
 runtime/cleanup-webdav-piwigo.php | 169 ++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 runtime/cleanup-webdav-piwigo.php

diff --git a/runtime/cleanup-webdav-piwigo.php b/runtime/cleanup-webdav-piwigo.php
new file mode 100644
index 0000000..f51e51c
--- /dev/null
+++ b/runtime/cleanup-webdav-piwigo.php
@@ -0,0 +1,169 @@
+#!/usr/bin/env php
+<?php
+if (PHP_SAPI !== 'cli')
+{
+  fwrite(STDERR, "CLI only\n");
+  exit(1);
+}
+
+$pluginRoot = dirname(__DIR__);
+$piwigoRoot = dirname($pluginRoot, 2);
+define('PHPWG_ROOT_PATH', rtrim($piwigoRoot, '/').'/');
+
+$_SERVER['REMOTE_ADDR'] = '127.0.0.1';
+$_SERVER['SERVER_ADDR'] = '127.0.0.1';
+$_SERVER['SERVER_NAME'] = 'localhost';
+$_SERVER['HTTP_HOST'] = 'localhost';
+$_SERVER['SERVER_PORT'] = '80';
+$_SERVER['REQUEST_METHOD'] = 'GET';
+$_SERVER['REQUEST_URI'] = '/';
+$_SERVER['SCRIPT_NAME'] = '/plugins/bratonien_tools/runtime/cleanup-webdav-piwigo.php';
+$_SERVER['PHP_SELF'] = $_SERVER['SCRIPT_NAME'];
+$_SERVER['QUERY_STRING'] = '';
+$_SERVER['HTTPS'] = 'off';
+
+require_once(PHPWG_ROOT_PATH.'include/common.inc.php');
+require_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
+
+function bratonien_cleanup_tree($path, $allowed_root)
+{
+  $path = rtrim((string)$path, '/');
+  $allowed_root = rtrim((string)$allowed_root, '/');
+  if ($path === '' || $allowed_root === '' || strpos($path, $allowed_root.'/') !== 0 || !file_exists($path)) return;
+
+  if (is_link($path) || is_file($path))
+  {
+    @unlink($path);
+    return;
+  }
+
+  $items = @scandir($path);
+  if (!is_array($items)) return;
+  foreach ($items as $item)
+  {
+    if ($item === '.' || $item === '..') continue;
+    bratonien_cleanup_tree($path.'/'.$item, $allowed_root);
+  }
+  @rmdir($path);
+}
+
+function bratonien_webdav_site_images($site_id)
+{
+  $rows = array();
+  $query = '
+SELECT DISTINCT i.id, i.path, i.representative_ext
+  FROM '.IMAGES_TABLE.' AS i
+  LEFT JOIN '.CATEGORIES_TABLE.' AS sc ON sc.id = i.storage_category_id
+  LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.image_id = i.id
+  LEFT JOIN '.CATEGORIES_TABLE.' AS vc ON vc.id = ic.category_id
+  WHERE sc.site_id = '.(int)$site_id.' OR vc.site_id = '.(int)$site_id.'
+;';
+  $result = pwg_query($query);
+  while ($row = pwg_db_fetch_assoc($result))
+  {
+    $row['id'] = (int)$row['id'];
+    $rows[$row['id']] = $row;
+  }
+  return $rows;
+}
+
+try
+{
+  $connection_table = function_exists('bratonien_tools_nc_connector_table')
+    ? bratonien_tools_nc_connector_table()
+    : $GLOBALS['prefixeTable'].'bratonien_tools_nc_connections';
+
+  $active = array();
+  $exists = pwg_query("SHOW TABLES LIKE '".pwg_db_real_escape_string($connection_table)."'");
+  if (pwg_db_num_rows($exists))
+  {
+    $result = pwg_query("SELECT id FROM `".$connection_table."`");
+    while ($row = pwg_db_fetch_assoc($result))
+    {
+      $active[(int)$row['id']] = true;
+    }
+  }
+
+  $site_prefix = './_data/bratonien-tools/nc-webdav-gallery/connection-';
+  $result = pwg_query(
+    "SELECT id, galleries_url FROM ".SITES_TABLE.
+    " WHERE galleries_url LIKE '".pwg_db_real_escape_string($site_prefix)."%'"
+  );
+
+  $removed_sites = 0;
+  $removed_images = 0;
+  while ($site = pwg_db_fetch_assoc($result))
+  {
+    $site_id = (int)$site['id'];
+    $site_url = (string)$site['galleries_url'];
+    if (!preg_match('#^\./_data/bratonien-tools/nc-webdav-gallery/connection-([0-9]+)/$#', $site_url, $match)) continue;
+
+    $connection_id = (int)$match[1];
+    if ($connection_id < 1 || isset($active[$connection_id])) continue;
+
+    $images = bratonien_webdav_site_images($site_id);
+    foreach ($images as $row)
+    {
+      try
+      {
+        delete_element_derivatives($row);
+      }
+      catch (Throwable $e)
+      {
+        fwrite(STDERR, 'WebDAV-Cleanup: Derivate von Bild #'.(int)$row['id'].' konnten nicht vollständig entfernt werden: '.$e->getMessage()."\n");
+      }
+    }
+
+    delete_site($site_id);
+
+    if ($images)
+    {
+      $ids = array_keys($images);
+      $remaining = query2array(
+        'SELECT id FROM '.IMAGES_TABLE.' WHERE id IN ('.implode(',', array_map('intval', $ids)).')',
+        null,
+        'id'
+      );
+      if ($remaining)
+      {
+        delete_elements(array_map('intval', $remaining), false);
+      }
+    }
+
+    $removed_sites++;
+    $removed_images += count($images);
+    echo 'NC WebDAV: entferne verwaiste Piwigo-Site '.$site_id.' für gelöschte Verbindung '.$connection_id.".\n";
+
+    $gallery_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-gallery';
+    $source_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-source';
+    $preview_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-preview';
+    bratonien_cleanup_tree($gallery_root.'/connection-'.$connection_id, $gallery_root);
+    bratonien_cleanup_tree($source_root.'/connection-'.$connection_id, $source_root);
+    bratonien_cleanup_tree($preview_root.'/connection-'.$connection_id, $preview_root);
+
+    $state_root = '/var/lib/bratonien-tools/nc-connector';
+    bratonien_cleanup_tree($state_root.'/connection-'.$connection_id, $state_root);
+
+    foreach (glob('/etc/bratonien-tools/nc-connector/webdav-connection-'.$connection_id.'.*') ?: array() as $file)
+    {
+      @unlink($file);
+    }
+
+    $status_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-connector-status';
+    @unlink($status_root.'/connection-'.$connection_id.'.json');
+    @unlink($status_root.'/deleted-'.$connection_id);
+  }
+
+  if ($removed_sites > 0)
+  {
+    invalidate_user_cache(true);
+  }
+
+  echo 'NC WebDAV Piwigo-Cleanup: sites='.$removed_sites.' bilder='.$removed_images."\n";
+  exit(0);
+}
+catch (Throwable $e)
+{
+  fwrite(STDERR, 'NC WebDAV Piwigo-Cleanup: '.$e->getMessage()."\n");
+  exit(1);
+}