From 04b32309df7e70e2716c6fcfac09fbb2b854a1b1 Mon Sep 17 00:00:00 2001
From: Terranom674 <thomas_dannenberg@web.de>
Date: Tue, 18 Aug 2026 21:20:08 +0200
Subject: [PATCH] Add parallel WebDAV connector mode

---
 include/nc_connector_webdav.inc.php | 122 ++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 include/nc_connector_webdav.inc.php

diff --git a/include/nc_connector_webdav.inc.php b/include/nc_connector_webdav.inc.php
new file mode 100644
index 0000000..bdb4461
--- /dev/null
+++ b/include/nc_connector_webdav.inc.php
@@ -0,0 +1,122 @@
+<?php
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+/**
+ * Create a disabled WebDAV-backed connector beside the existing local modes.
+ *
+ * This deliberately does not activate, migrate or modify any existing
+ * connection. It only persists the data required for the parallel WebDAV path.
+ */
+function bratonien_tools_nc_connector_create_webdav_placeholder_from_wizard()
+{
+  $state = bratonien_tools_nc_wizard_state();
+
+  if (empty($state['scan_ok'])) throw new RuntimeException('Die Nextcloud-Verbindung wurde noch nicht erfolgreich geprüft.');
+
+  $base_url = rtrim(trim((string)($state['base_url'] ?? '')), '/');
+  $username = trim((string)($state['username'] ?? ''));
+  $password = (string)($state['_password'] ?? '');
+  if ($base_url === '' || $username === '' || $password === '')
+  {
+    throw new RuntimeException('Für den WebDAV-Testpfad fehlen Nextcloud-Adresse oder Zugangsdaten.');
+  }
+
+  $selected = isset($state['directory_selected']) && is_array($state['directory_selected'])
+    ? array_values(array_unique(array_map(function($path) { return trim((string)$path, '/'); }, $state['directory_selected'])))
+    : array();
+  $selected_ids = isset($state['directory_selected_fileids']) && is_array($state['directory_selected_fileids'])
+    ? $state['directory_selected_fileids']
+    : array();
+  $selected = array_values(array_filter($selected, function($path) { return $path !== ''; }));
+  if (!$selected) throw new RuntimeException('Bitte mindestens ein Nextcloud-Verzeichnis für den WebDAV-Testpfad auswählen.');
+
+  $roots = array();
+  foreach ($selected as $path)
+  {
+    $roots[] = array(
+      'fileid'=>isset($selected_ids[$path]) ? (int)$selected_ids[$path] : 0,
+      'display_name'=>basename($path),
+      'webdav_path'=>$path,
+    );
+  }
+
+  $name = trim((string)($state['connection_name'] ?? ''));
+  if ($name === '') $name = 'Nextcloud WebDAV';
+  $gallery_root = rtrim(trim((string)($state['gallery_root'] ?? '')), '/');
+  if ($gallery_root === '') $gallery_root = rtrim(PHPWG_ROOT_PATH, '/').'/galleries';
+
+  $config = array(
+    'origin'=>'native',
+    'source_mode'=>'webdav-placeholder',
+    'transport'=>'webdav',
+    'nextcloud_url'=>$base_url,
+    'access_user'=>$username,
+    'nextcloud_access_user'=>$username,
+    'gallery_root'=>$gallery_root,
+    'roots'=>$roots,
+    'state_dir'=>'',
+    'status_file'=>'',
+    'quiet_seconds'=>120,
+    'max_wait_seconds'=>900,
+    'full_sync_seconds'=>86400,
+    'parallel_test'=>true,
+    'piwigo_auth'=>'connection-scoped',
+    'api_enabled'=>false,
+  );
+
+  foreach (array('product'=>'nextcloud_product', 'version'=>'nextcloud_version') as $state_key=>$config_key)
+  {
+    $value = trim((string)($state[$state_key] ?? ''));
+    if ($value !== '') $config[$config_key] = $value;
+  }
+
+  $secret_payload = json_encode(array(
+    'v'=>3,
+    'db_password'=>'',
+    'piwigo_user'=>'',
+    'piwigo_password'=>'',
+    'api_key_id'=>'',
+    'api_key_secret'=>'',
+    'nextcloud_user'=>$username,
+    'nextcloud_password'=>$password,
+  ), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+  if (!is_string($secret_payload)) throw new RuntimeException('WebDAV-Zugangsdaten konnten nicht serialisiert werden.');
+
+  $config_json = json_encode($config, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+  if (!is_string($config_json)) throw new RuntimeException('WebDAV-Konfiguration konnte nicht serialisiert werden.');
+
+  bratonien_tools_nc_connector_ensure_table();
+  $table = bratonien_tools_nc_connector_table();
+  $now = date('Y-m-d H:i:s');
+  $connection_key = 'webdav-'.bin2hex(random_bytes(12));
+  $secret_blob = bratonien_tools_nc_connector_encrypt_secret($secret_payload);
+
+  pwg_query("INSERT INTO `$table` (connection_key,name,adapter,enabled,takeover_state,config_json,secret_blob,created,updated) VALUES ('"
+    .pwg_db_real_escape_string($connection_key)."','"
+    .pwg_db_real_escape_string($name)."','remote',0,'disabled','"
+    .pwg_db_real_escape_string($config_json)."','"
+    .pwg_db_real_escape_string($secret_blob)."','"
+    .pwg_db_real_escape_string($now)."','"
+    .pwg_db_real_escape_string($now)."')");
+
+  $id = (int)pwg_db_insert_id();
+  if ($id < 1) throw new RuntimeException('Die WebDAV-Testverbindung konnte nicht eindeutig angelegt werden.');
+
+  $config['state_dir'] = '/var/lib/bratonien-tools/nc-connector/connection-'.$id;
+  $config['status_file'] = $config['state_dir'].'/connector-status.json';
+  $config_json = json_encode($config, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+  if (!is_string($config_json))
+  {
+    pwg_query("DELETE FROM `$table` WHERE id=".$id." LIMIT 1");
+    throw new RuntimeException('Die WebDAV-Testverbindung konnte nach dem Anlegen nicht serialisiert werden.');
+  }
+  pwg_query("UPDATE `$table` SET config_json='".pwg_db_real_escape_string($config_json)."' WHERE id=".$id." LIMIT 1");
+
+  return array(
+    'connection_id'=>$id,
+    'message'=>'Parallele WebDAV-Testverbindung wurde deaktiviert angelegt. Bestehende Verbindungen blieben unverändert.',
+  );
+}