0.9.6.30: globales Lauf-Lock gegen Parallelstarts

0.9.6.29: Shadowtree stabilisieren

include/nc_connector_scheduler.inc.php

@@ -0,0 +1,165 @@
+<?php
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+function bratonien_tools_nc_scheduler_paths()
+{
+  $base = rtrim(PHPWG_ROOT_PATH, '/').'/_data/bratonien-tools';
+  return array(
+    'base'=>$base,
+    'runtime'=>$base.'/nc-connector-runtime',
+    'state_root'=>$base.'/nc-connector-state',
+    'scheduler'=>$base.'/nc-connector-scheduler',
+    'state'=>$base.'/nc-connector-scheduler/state.json',
+    'trigger_lock'=>$base.'/nc-connector-scheduler/trigger.lock',
+    'worker_lock'=>$base.'/nc-connector-scheduler/worker.lock',
+    'log'=>$base.'/nc-connector-scheduler/last-worker.log',
+  );
+}
+
+function bratonien_tools_nc_scheduler_interval()
+{
+  global $conf;
+  $interval = isset($conf['bratonien_nc_scheduler_interval']) ? (int)$conf['bratonien_nc_scheduler_interval'] : 60;
+  return max(60, $interval);
+}
+
+function bratonien_tools_nc_scheduler_ensure_dirs()
+{
+  foreach (bratonien_tools_nc_scheduler_paths() as $key=>$path)
+  {
+    if (in_array($key, array('state','trigger_lock','worker_lock','log'), true)) continue;
+    if (!is_dir($path) && !@mkdir($path, 0750, true) && !is_dir($path))
+    {
+      return false;
+    }
+  }
+  return true;
+}
+
+function bratonien_tools_nc_scheduler_read_state()
+{
+  $paths = bratonien_tools_nc_scheduler_paths();
+  if (!is_readable($paths['state'])) return array();
+  $decoded = json_decode((string)@file_get_contents($paths['state']), true);
+  return is_array($decoded) ? $decoded : array();
+}
+
+function bratonien_tools_nc_scheduler_write_state(array $state)
+{
+  $paths = bratonien_tools_nc_scheduler_paths();
+  if (!bratonien_tools_nc_scheduler_ensure_dirs()) return false;
+  $json = json_encode($state, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+  if (!is_string($json)) return false;
+  $tmp = $paths['state'].'.tmp';
+  if (@file_put_contents($tmp, $json."\n", LOCK_EX) === false) return false;
+  @chmod($tmp, 0640);
+  return @rename($tmp, $paths['state']);
+}
+
+function bratonien_tools_nc_scheduler_install()
+{
+  if (!bratonien_tools_nc_scheduler_ensure_dirs()) return false;
+  $state = bratonien_tools_nc_scheduler_read_state();
+  if (empty($state['next_due']))
+  {
+    $state['next_due'] = time();
+    $state['enabled'] = true;
+    $state['mode'] = 'piwigo-native';
+    bratonien_tools_nc_scheduler_write_state($state);
+  }
+  return true;
+}
+
+function bratonien_tools_nc_scheduler_php_binary()
+{
+  foreach (array('/usr/bin/php', '/usr/local/bin/php', PHP_BINARY) as $candidate)
+  {
+    if (is_string($candidate) && $candidate !== '' && is_executable($candidate)) return $candidate;
+  }
+  return '';
+}
+
+function bratonien_tools_nc_scheduler_spawn($force = false)
+{
+  $paths = bratonien_tools_nc_scheduler_paths();
+  if (!bratonien_tools_nc_scheduler_ensure_dirs())
+  {
+    throw new RuntimeException('Der native NC-Scheduler kann sein Laufzeitverzeichnis nicht anlegen.');
+  }
+
+  $lock = @fopen($paths['trigger_lock'], 'c+');
+  if (!is_resource($lock) || !@flock($lock, LOCK_EX | LOCK_NB))
+  {
+    if (is_resource($lock)) fclose($lock);
+    return array('started'=>false, 'message'=>'Ein NC-Abgleich wird bereits vorbereitet.');
+  }
+
+  $state = bratonien_tools_nc_scheduler_read_state();
+  $now = time();
+  $next_due = (int)($state['next_due'] ?? 0);
+  if (!$force && $next_due > $now)
+  {
+    @flock($lock, LOCK_UN);
+    fclose($lock);
+    return array('started'=>false, 'message'=>'Der nächste NC-Abgleich ist noch nicht fällig.');
+  }
+
+  $php = bratonien_tools_nc_scheduler_php_binary();
+  if ($php === '')
+  {
+    @flock($lock, LOCK_UN);
+    fclose($lock);
+    throw new RuntimeException('Kein ausführbares PHP-CLI für den nativen NC-Scheduler gefunden.');
+  }
+
+  $state['enabled'] = true;
+  $state['mode'] = 'piwigo-native';
+  $state['queued_at'] = $now;
+  $state['next_due'] = $now + bratonien_tools_nc_scheduler_interval();
+  bratonien_tools_nc_scheduler_write_state($state);
+
+  $runner = BRATONIEN_TOOLS_PATH.'runtime/native-runner.php';
+  $command = escapeshellarg($php).' '.escapeshellarg($runner).' >> '.escapeshellarg($paths['log']).' 2>&1 &';
+  $spec = array(
+    0=>array('file','/dev/null','r'),
+    1=>array('file','/dev/null','a'),
+    2=>array('file','/dev/null','a'),
+  );
+  $process = function_exists('proc_open') ? @proc_open(array('/bin/sh','-c',$command), $spec, $pipes) : false;
+  $exit = is_resource($process) ? proc_close($process) : 1;
+
+  @flock($lock, LOCK_UN);
+  fclose($lock);
+
+  if ($exit !== 0)
+  {
+    throw new RuntimeException('Der native NC-Abgleich konnte nicht gestartet werden.');
+  }
+
+  return array('started'=>true, 'message'=>'NC-Abgleich wurde gestartet.');
+}
+
+function bratonien_tools_nc_scheduler_tick()
+{
+  $state = bratonien_tools_nc_scheduler_read_state();
+  if (isset($state['enabled']) && !$state['enabled']) return;
+  $next_due = (int)($state['next_due'] ?? 0);
+  if ($next_due > time()) return;
+
+  try
+  {
+    bratonien_tools_nc_scheduler_spawn(false);
+  }
+  catch (Throwable $e)
+  {
+    $state = bratonien_tools_nc_scheduler_read_state();
+    $state['state'] = 'error';
+    $state['message'] = $e->getMessage();
+    $state['timestamp'] = time();
+    $state['next_due'] = time() + bratonien_tools_nc_scheduler_interval();
+    bratonien_tools_nc_scheduler_write_state($state);
+  }
+}

include/nc_connector_system.inc.php

@@ -4,109 +4,13 @@ if (!defined('PHPWG_ROOT_PATH'))
   die('Hacking attempt!');
 }
 
-function bratonien_tools_nc_connector_systemctl_value(array $args)
+require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_scheduler.inc.php');
-{
-  if (!function_exists('proc_open'))
-  {
-    return '';
-  }
-
-  $command = array_merge(array('/usr/bin/systemctl'), $args);
-  $spec = array(
-    0 => array('file', '/dev/null', 'r'),
-    1 => array('pipe', 'w'),
-    2 => array('pipe', 'w'),
-  );
-  $environment = array_merge($_ENV, array('LC_ALL'=>'C', 'LANG'=>'C'));
-  $process = @proc_open($command, $spec, $pipes, null, $environment);
-  if (!is_resource($process))
-  {
-    return '';
-  }
-  $stdout = stream_get_contents($pipes[1]);
-  stream_get_contents($pipes[2]);
-  fclose($pipes[1]);
-  fclose($pipes[2]);
-  $exit = proc_close($process);
-  return $exit === 0 ? trim((string)$stdout) : '';
-}
-
-function bratonien_tools_nc_connector_parse_systemd_time($value)
-{
-  $value = trim((string)$value);
-  if ($value === '' || strtolower($value) === 'n/a')
-  {
-    return 0;
-  }
-  $parsed = strtotime($value);
-  return $parsed === false ? 0 : (int)$parsed;
-}
-
-function bratonien_tools_nc_connector_monotonic_to_timestamp($value)
-{
-  $value = trim((string)$value);
-  if ($value === '' || $value === '0' || strtolower($value) === 'n/a')
-  {
-    return 0;
-  }
-
-  if (preg_match('/^([0-9]+)(?:us)?$/', $value, $matches))
-  {
-    $next_boot_seconds = ((float)$matches[1]) / 1000000;
-  }
-  else
-  {
-    return 0;
-  }
-
-  $uptime_raw = @file_get_contents('/proc/uptime');
-  if (!is_string($uptime_raw) || !preg_match('/^([0-9]+(?:\.[0-9]+)?)/', trim($uptime_raw), $uptime_match))
-  {
-    return 0;
-  }
-
-  $remaining = $next_boot_seconds - (float)$uptime_match[1];
-  if ($remaining < -1)
-  {
-    return 0;
-  }
-
-  return (int)round(time() + max(0, $remaining));
-}
-
-function bratonien_tools_nc_connector_next_from_timer_list($timer)
-{
-  $line = bratonien_tools_nc_connector_systemctl_value(array(
-    'list-timers', '--all', '--no-pager', '--no-legend', $timer,
-  ));
-  if ($line === '')
-  {
-    return 0;
-  }
-
-  $first_line = trim((string)strtok($line, "\n"));
-  if (preg_match('/^(\S+\s+\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2}\s+\S+)/', $first_line, $matches))
-  {
-    $parsed = strtotime($matches[1]);
-    return $parsed === false ? 0 : (int)$parsed;
-  }
-
-  return 0;
-}
 
 function bratonien_tools_nc_connector_connection_last_status(array $connection)
 {
   $empty = array(
-    'timestamp'=>0,
+    'timestamp'=>0,'label'=>'Nicht verfügbar','state'=>'','message'=>'','auth_mode'=>'',
-    'label'=>'Nicht verfügbar',
+    'api_state'=>'','api_message'=>'','fallback_state'=>'','fallback_message'=>'','error_detail'=>'',
-    'state'=>'',
-    'message'=>'',
-    'auth_mode'=>'',
-    'api_state'=>'',
-    'api_message'=>'',
-    'fallback_state'=>'',
-    'fallback_message'=>'',
-    'error_detail'=>'',
   );
 
   $connection_id = (int)($connection['id'] ?? 0);
@@ -114,42 +18,25 @@ function bratonien_tools_nc_connector_connection_last_status(array $connection)
   if ($connection_id > 0)
   {
     $candidates[] = rtrim(PHPWG_ROOT_PATH, '/').'/_data/bratonien-tools/nc-connector-status/connection-'.$connection_id.'.json';
+    $candidates[] = rtrim(PHPWG_ROOT_PATH, '/').'/_data/bratonien-tools/nc-connector-state/connection-'.$connection_id.'/connector-status.json';
   }
 
   $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
   $state_dir = rtrim((string)($config['state_dir'] ?? ''), '/');
-  if ($state_dir === '' && $connection_id > 0)
+  if ($state_dir !== '') $candidates[] = $state_dir.'/connector-status.json';
-  {
-    $state_dir = '/var/lib/bratonien-tools/nc-connector/connection-'.$connection_id;
-  }
-  if ($state_dir !== '')
-  {
-    $candidates[] = $state_dir.'/connector-status.json';
-  }
 
   $decoded = null;
-  foreach ($candidates as $candidate)
+  foreach (array_unique($candidates) as $candidate)
   {
-    if (!is_readable($candidate))
+    if (!is_readable($candidate)) continue;
-    {
-      continue;
-    }
     $value = json_decode((string)@file_get_contents($candidate), true);
-    if (is_array($value))
+    if (is_array($value)) { $decoded = $value; break; }
-    {
-      $decoded = $value;
-      break;
-    }
-  }
-  if (!is_array($decoded))
-  {
-    return $empty;
   }
+  if (!is_array($decoded)) return $empty;
 
   $timestamp = (int)($decoded['timestamp'] ?? 0);
   $api = isset($decoded['api']) && is_array($decoded['api']) ? $decoded['api'] : array();
   $fallback = isset($decoded['fallback']) && is_array($decoded['fallback']) ? $decoded['fallback'] : array();
-
   return array(
     'timestamp'=>$timestamp,
     'label'=>$timestamp > 0 ? date('d.m.Y H:i:s', $timestamp) : 'Nicht verfügbar',
@@ -166,99 +53,69 @@ function bratonien_tools_nc_connector_connection_last_status(array $connection)
 
 function bratonien_tools_nc_connector_last_status(array $connections)
 {
-  $latest = array('timestamp'=>0, 'state'=>'', 'message'=>'', 'auth_mode'=>'', 'api_state'=>'', 'api_message'=>'', 'fallback_state'=>'', 'fallback_message'=>'', 'error_detail'=>'');
+  $latest = array('timestamp'=>0,'state'=>'','message'=>'','auth_mode'=>'','api_state'=>'','api_message'=>'','fallback_state'=>'','fallback_message'=>'','error_detail'=>'');
-
   foreach ($connections as $connection)
   {
-    if (empty($connection['enabled']))
+    if (empty($connection['enabled'])) continue;
-    {
-      continue;
-    }
-
     $status = bratonien_tools_nc_connector_connection_last_status($connection);
-    if ((int)$status['timestamp'] >= (int)$latest['timestamp'])
+    if ((int)$status['timestamp'] >= (int)$latest['timestamp']) $latest = $status;
-    {
-      $latest = $status;
-    }
   }
-
   return $latest;
 }
 
 function bratonien_tools_nc_connector_system_status(array $connections = array())
 {
-  $timer = 'bratonien-nc-connector.timer';
+  $scheduler = bratonien_tools_nc_scheduler_read_state();
-  $service = 'bratonien-nc-connector.service';
+  $enabled = !isset($scheduler['enabled']) || !empty($scheduler['enabled']);
-
+  $running = (string)($scheduler['state'] ?? '') === 'running';
-  $active = bratonien_tools_nc_connector_systemctl_value(array('is-active', $timer));
+  $started = (int)($scheduler['started_at'] ?? 0);
-  $enabled = bratonien_tools_nc_connector_systemctl_value(array('is-enabled', $timer));
+  $next = (int)($scheduler['next_due'] ?? 0);
-  $service_active_raw = bratonien_tools_nc_connector_systemctl_value(array('is-active', $service));
-  $service_active = in_array($service_active_raw, array('active', 'activating'), true);
-  $service_started_raw = bratonien_tools_nc_connector_systemctl_value(array('show', $service, '--property=ActiveEnterTimestamp', '--value'));
-  $service_started_timestamp = bratonien_tools_nc_connector_parse_systemd_time($service_started_raw);
-
-  $next_realtime_raw = bratonien_tools_nc_connector_systemctl_value(array('show', $timer, '--property=NextElapseUSecRealtime', '--value'));
-  $next_timestamp = bratonien_tools_nc_connector_parse_systemd_time($next_realtime_raw);
-
-  if ($next_timestamp <= 0)
-  {
-    $next_monotonic_raw = bratonien_tools_nc_connector_systemctl_value(array('show', $timer, '--property=NextElapseUSecMonotonic', '--value'));
-    $next_timestamp = bratonien_tools_nc_connector_monotonic_to_timestamp($next_monotonic_raw);
-  }
-
-  if ($next_timestamp <= 0)
-  {
-    $next_timestamp = bratonien_tools_nc_connector_next_from_timer_list($timer);
-  }
-
   $last = bratonien_tools_nc_connector_last_status($connections);
-  if ($last['timestamp'] <= 0)
-  {
-    $last_raw = bratonien_tools_nc_connector_systemctl_value(array('show', $service, '--property=ExecMainExitTimestamp', '--value'));
-    $last['timestamp'] = bratonien_tools_nc_connector_parse_systemd_time($last_raw);
-  }
 
-  if ($next_timestamp > 0)
+  if ($next > 0)
   {
-    $next_label = date('d.m.Y H:i:s', $next_timestamp);
+    $next_label = date('d.m.Y H:i:s', $next).' (beim nächsten Piwigo-Aufruf)';
-  }
-  elseif ($service_active && $active === 'active' && $enabled === 'enabled')
-  {
-    $next_label = 'Nach Abschluss des aktuellen Laufs';
-  }
-  elseif ($active === 'active' && $enabled === 'enabled')
-  {
-    $next_label = 'Wird von systemd neu geplant';
   }
   else
   {
-    $next_label = 'Nicht verfügbar';
+    $next_label = 'Beim nächsten Piwigo-Aufruf';
+  }
+
+  if ((int)$last['timestamp'] <= 0 && !empty($scheduler['finished_at']))
+  {
+    $last['timestamp'] = (int)$scheduler['finished_at'];
+    $last['state'] = (string)($scheduler['state'] ?? '');
+    $last['message'] = (string)($scheduler['message'] ?? '');
+    if ((string)$last['state'] === 'error')
+    {
+      $detail = trim((string)($scheduler['stderr'] ?? ''));
+      if ($detail === '') $detail = trim((string)($scheduler['stdout'] ?? ''));
+      $last['error_detail'] = $detail;
+    }
   }
 
   return array(
-    'timer_name' => $timer,
+    'timer_name'=>'Piwigo nativer NC-Scheduler',
-    'timer_active' => $active === 'active',
+    'timer_active'=>$enabled,
-    'timer_enabled' => $enabled === 'enabled',
+    'timer_enabled'=>$enabled,
-    'service_active' => $service_active,
+    'service_active'=>$running,
-    'current_run_timestamp' => $service_started_timestamp,
+    'current_run_timestamp'=>$started,
-    'current_run_label' => $service_active
+    'current_run_label'=>$running ? ($started > 0 ? 'Läuft seit '.date('d.m.Y H:i:s', $started) : 'Läuft gerade') : 'Kein Lauf aktiv',
-      ? ($service_started_timestamp > 0 ? 'Läuft seit '.date('d.m.Y H:i:s', $service_started_timestamp) : 'Läuft gerade')
+    'last_run_timestamp'=>(int)$last['timestamp'],
-      : 'Kein Lauf aktiv',
+    'last_run_label'=>(int)$last['timestamp'] > 0 ? date('d.m.Y H:i:s', (int)$last['timestamp']) : 'Nicht verfügbar',
-    'last_run_timestamp' => (int)$last['timestamp'],
+    'last_run_state'=>(string)$last['state'],
-    'last_run_label' => $last['timestamp'] > 0 ? date('d.m.Y H:i:s', (int)$last['timestamp']) : 'Nicht verfügbar',
+    'last_run_message'=>(string)$last['message'],
-    'last_run_state' => (string)$last['state'],
+    'last_run_auth_mode'=>(string)$last['auth_mode'],
-    'last_run_message' => (string)$last['message'],
+    'last_run_api_state'=>(string)$last['api_state'],
-    'last_run_auth_mode' => (string)$last['auth_mode'],
+    'last_run_api_message'=>(string)$last['api_message'],
-    'last_run_api_state' => (string)$last['api_state'],
+    'last_run_fallback_state'=>(string)$last['fallback_state'],
-    'last_run_api_message' => (string)$last['api_message'],
+    'last_run_fallback_message'=>(string)$last['fallback_message'],
-    'last_run_fallback_state' => (string)$last['fallback_state'],
+    'last_run_error_detail'=>(string)$last['error_detail'],
-    'last_run_fallback_message' => (string)$last['fallback_message'],
+    'next_run_timestamp'=>$next,
-    'last_run_error_detail' => (string)$last['error_detail'],
+    'next_run_label'=>$next_label,
-    'next_run_timestamp' => $next_timestamp,
+    'legacy_runtime_exists'=>is_dir('/opt/piwigo-sync'),
-    'next_run_label' => $next_label,
+    'legacy_config_exists'=>is_dir('/etc/piwigo-sync'),
-    'legacy_runtime_exists' => is_dir('/opt/piwigo-sync'),
+    'legacy_service_exists'=>is_file('/etc/systemd/system/piwigo-sync.service'),
-    'legacy_config_exists' => is_dir('/etc/piwigo-sync'),
+    'legacy_timer_exists'=>is_file('/etc/systemd/system/piwigo-sync.timer'),
-    'legacy_service_exists' => is_file('/etc/systemd/system/piwigo-sync.service'),
-    'legacy_timer_exists' => is_file('/etc/systemd/system/piwigo-sync.timer'),
   );
 }

include/nc_productive_ws.inc.php

@@ -18,7 +18,7 @@ function bratonien_tools_register_nc_productive_ws_methods($arr)
         'info' => 'Piwigo storage site to synchronize. Default: 1.',
       ),
     ),
-    'Runs the approved direct Bratonien filesystem synchronization for the NC Connector.',
+    'Synchronizes the NC Connector into the existing Piwigo album hierarchy.',
     null,
     array(
       'admin_only' => true,
@@ -35,6 +35,99 @@ function bratonien_tools_nc_productive_error(&$errors, $path, $type)
   );
 }
 
+function bratonien_tools_nc_relative_path($basedir, $path)
+{
+  $basedir = rtrim(str_replace('\\', '/', (string)$basedir), '/');
+  $path = str_replace('\\', '/', (string)$path);
+  if ($path === $basedir) return '';
+  if (strpos($path, $basedir.'/') !== 0)
+  {
+    throw new RuntimeException('WebDAV-Pfad liegt ausserhalb der Connector-Wurzel: '.$path);
+  }
+  return trim(substr($path, strlen($basedir)), '/');
+}
+
+function bratonien_tools_nc_find_album($parent_id, $dir, $name, $excluded_site_id)
+{
+  $where_parent = $parent_id === null ? 'id_uppercat IS NULL' : 'id_uppercat='.(int)$parent_id;
+  $dir_sql = pwg_db_real_escape_string((string)$dir);
+  $name_sql = pwg_db_real_escape_string((string)$name);
+  $query = '
+SELECT id, dir, name
+  FROM '.CATEGORIES_TABLE.'
+  WHERE '.$where_parent.'
+    AND (site_id IS NULL OR site_id <> '.(int)$excluded_site_id.')
+    AND (
+      dir = \''.$dir_sql.'\'
+      OR LOWER(name) = LOWER(\''.$name_sql.'\')
+    )
+  ORDER BY CASE WHEN dir = \''.$dir_sql.'\' THEN 0 ELSE 1 END, id
+  LIMIT 1
+;';
+  $result = pwg_query($query);
+  if (!pwg_db_num_rows($result)) return null;
+  $row = pwg_db_fetch_assoc($result);
+  return (int)$row['id'];
+}
+
+function bratonien_tools_nc_ensure_album_path($relative_dir, $excluded_site_id, array &$cache, array &$created_ids)
+{
+  $relative_dir = trim((string)$relative_dir, '/');
+  if ($relative_dir === '') return null;
+  if (isset($cache[$relative_dir])) return $cache[$relative_dir];
+
+  $parts = explode('/', $relative_dir);
+  $parent_id = null;
+  $path = '';
+  foreach ($parts as $part)
+  {
+    if ($part === '') continue;
+    $path = $path === '' ? $part : $path.'/'.$part;
+    if (isset($cache[$path]))
+    {
+      $parent_id = $cache[$path];
+      continue;
+    }
+
+    $display_name = str_replace('_', ' ', $part);
+    $album_id = bratonien_tools_nc_find_album($parent_id, $part, $display_name, $excluded_site_id);
+    if ($album_id === null)
+    {
+      $created = create_virtual_category($display_name, $parent_id);
+      if (!is_array($created) || empty($created['id']))
+      {
+        $detail = is_array($created) && !empty($created['error']) ? (string)$created['error'] : 'unbekannter Fehler';
+        throw new RuntimeException('Album "'.$display_name.'" konnte nicht angelegt werden: '.$detail);
+      }
+      $album_id = (int)$created['id'];
+      pwg_query('UPDATE '.CATEGORIES_TABLE." SET status='private' WHERE id=".$album_id.' LIMIT 1');
+      add_permission_on_category(array($album_id), get_admins());
+      $created_ids[] = $album_id;
+    }
+
+    $cache[$path] = $album_id;
+    $parent_id = $album_id;
+  }
+
+  return $parent_id;
+}
+
+function bratonien_tools_nc_managed_images($basedir)
+{
+  $prefix = rtrim((string)$basedir, '/').'/';
+  $escaped = pwg_db_real_escape_string(addcslashes($prefix, '_%\\'));
+  $query = "SELECT id, path FROM ".IMAGES_TABLE." WHERE path LIKE '".$escaped."%' ESCAPE '\\\\'";
+  return simple_hash_from_query($query, 'id', 'path');
+}
+
+function bratonien_tools_nc_remove_storage_categories($site_id)
+{
+  $ids = query2array('SELECT id FROM '.CATEGORIES_TABLE.' WHERE site_id='.(int)$site_id.' AND dir IS NOT NULL', null, 'id');
+  if (!$ids) return 0;
+  delete_categories(array_map('intval', $ids));
+  return count($ids);
+}
+
 function bratonien_tools_ws_nc_sync_productive($params, &$service)
 {
   global $conf, $user;
@@ -42,181 +135,110 @@ function bratonien_tools_ws_nc_sync_productive($params, &$service)
   $piwigo_version = defined('PHPWG_VERSION') ? (string)PHPWG_VERSION : '';
   if ($piwigo_version !== '16.4.0')
   {
-    return new PwgError(
+    return new PwgError(409, 'Bratonien API synchronization is not approved for Piwigo '.$piwigo_version.'.');
-      409,
-      'Bratonien API synchronization is not approved for Piwigo '.$piwigo_version.'. Use the administrator fallback until this Piwigo version has been verified.'
-    );
   }
-
   if (empty($conf['enable_synchronization']))
   {
     return new PwgError(403, 'Piwigo filesystem synchronization is disabled.');
   }
 
   $site_id = isset($params['site_id']) ? (int)$params['site_id'] : 1;
-  if ($site_id < 1)
+  if ($site_id < 1) return new PwgError(400, 'Invalid site_id.');
-  {
-    return new PwgError(400, 'Invalid site_id.');
-  }
 
   include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
   include_once(PHPWG_ROOT_PATH.'admin/site_reader_local.php');
 
-  $query = 'SELECT galleries_url FROM '.SITES_TABLE.' WHERE id = '.$site_id.' LIMIT 1';
+  $result = pwg_query('SELECT galleries_url FROM '.SITES_TABLE.' WHERE id='.$site_id.' LIMIT 1');
-  $result = pwg_query($query);
+  if (!pwg_db_num_rows($result)) return new PwgError(404, 'Piwigo site does not exist.');
-  if (!pwg_db_num_rows($result))
-  {
-    return new PwgError(404, 'Piwigo site does not exist.');
-  }
-
   list($site_url) = pwg_db_fetch_row($result);
-  if (url_is_remote($site_url))
+  if (url_is_remote($site_url)) return new PwgError(400, 'Remote Piwigo sites are not supported.');
-  {
-    return new PwgError(400, 'Remote Piwigo sites are not supported by this synchronization method.');
-  }
 
   $site_reader = new LocalSiteReader($site_url);
-  if (!$site_reader->open())
+  if (!$site_reader->open()) return new PwgError(500, 'Piwigo could not open the configured local site.');
-  {
-    return new PwgError(500, 'Piwigo could not open the configured local site.');
-  }
 
-  list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW()'));
+  $basedir = preg_replace('#/*$#', '', (string)$site_url);
   $errors = array();
   $counts = array(
-    'new_categories' => 0,
+    'reused_categories'=>0,
-    'del_categories' => 0,
+    'new_categories'=>0,
-    'new_elements' => 0,
+    'removed_duplicate_categories'=>0,
-    'del_elements' => 0,
+    'new_elements'=>0,
-    'upd_elements' => 0,
+    'del_elements'=>0,
-    'new_formats' => 0,
+    'upd_elements'=>0,
-    'del_formats' => 0,
-    'metadata_candidates' => 0,
-    'metadata_updated' => 0,
   );
 
   try
   {
-    $query = 'SELECT id, id_uppercat, uppercats, global_rank, status, visible FROM '.CATEGORIES_TABLE.' WHERE dir IS NOT NULL AND site_id = '.$site_id;
+    $counts['removed_duplicate_categories'] = bratonien_tools_nc_remove_storage_categories($site_id);
-    $db_categories = hash_from_query($query, 'id');
-    $db_fulldirs = get_fulldirs(array_keys($db_categories));
-    $basedir = preg_replace('#/*$#', '', $site_url);
-    $db_fulldirs = array_flip($db_fulldirs);
-    $fs_fulldirs = $site_reader->get_full_directories($basedir);
 
-    $next_rank = array('NULL'=>1);
+    list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW()'));
-    $result = pwg_query('SELECT id FROM '.CATEGORIES_TABLE);
+    $fs_dirs = $site_reader->get_full_directories($basedir);
-    while ($row = pwg_db_fetch_assoc($result))
+    usort($fs_dirs, function($a, $b)
     {
-      $next_rank[$row['id']] = 1;
+      return substr_count((string)$a, '/') <=> substr_count((string)$b, '/');
-    }
+    });
-    $result = pwg_query('SELECT id_uppercat, MAX(`rank`)+1 AS next_rank FROM '.CATEGORIES_TABLE.' GROUP BY id_uppercat');
-    while ($row = pwg_db_fetch_assoc($result))
-    {
-      $key = empty($row['id_uppercat']) ? 'NULL' : $row['id_uppercat'];
-      $next_rank[$key] = (int)$row['next_rank'];
-    }
 
-    $next_id = pwg_db_nextval('id', CATEGORIES_TABLE);
+    $album_cache = array();
-    $category_inserts = array();
+    $created_ids = array();
-
+    $dir_to_album = array();
-    foreach (array_diff($fs_fulldirs, array_keys($db_fulldirs)) as $fulldir)
+    foreach ($fs_dirs as $full_dir)
     {
-      $dir = basename($fulldir);
+      $relative = bratonien_tools_nc_relative_path($basedir, $full_dir);
-      if (!preg_match($conf['sync_chars_regex'], $dir))
+      if ($relative === '') continue;
+      $before = count($created_ids);
+      $album_id = bratonien_tools_nc_ensure_album_path($relative, $site_id, $album_cache, $created_ids);
+      if ($album_id !== null)
       {
-        bratonien_tools_nc_productive_error($errors, $fulldir, 'PWG-UPDATE-1');
+        $dir_to_album[$full_dir] = $album_id;
-        continue;
+        if (count($created_ids) === $before) $counts['reused_categories']++;
       }
-
-      $insert = array(
-        'id' => $next_id++,
-        'dir' => $dir,
-        'name' => str_replace('_', ' ', $dir),
-        'site_id' => $site_id,
-        'commentable' => boolean_to_string($conf['newcat_default_commentable']),
-        'status' => 'private',
-        'visible' => boolean_to_string($conf['newcat_default_visible']),
-      );
-
-      $parent_path = dirname($fulldir);
-      if (isset($db_fulldirs[$parent_path]))
-      {
-        $parent = $db_fulldirs[$parent_path];
-        $insert['id_uppercat'] = $parent;
-        $insert['uppercats'] = $db_categories[$parent]['uppercats'].','.$insert['id'];
-        $insert['rank'] = $next_rank[$parent]++;
-        $insert['global_rank'] = $db_categories[$parent]['global_rank'].'.'.$insert['rank'];
-        if ((string)$db_categories[$parent]['visible'] === 'false')
-        {
-          $insert['visible'] = 'false';
-        }
-      }
-      else
-      {
-        $insert['uppercats'] = (string)$insert['id'];
-        $insert['rank'] = $next_rank['NULL']++;
-        $insert['global_rank'] = (string)$insert['rank'];
-      }
-
-      $category_inserts[] = $insert;
-      $db_categories[$insert['id']] = array(
-        'id' => $insert['id'],
-        'id_uppercat' => $insert['id_uppercat'] ?? null,
-        'uppercats' => $insert['uppercats'],
-        'global_rank' => $insert['global_rank'],
-        'status' => 'private',
-        'visible' => $insert['visible'],
-      );
-      $db_fulldirs[$fulldir] = $insert['id'];
-      $next_rank[$insert['id']] = 1;
-    }
-
-    if ($category_inserts)
-    {
-      mass_inserts(
-        CATEGORIES_TABLE,
-        array('id','dir','name','site_id','id_uppercat','uppercats','commentable','visible','status','rank','global_rank'),
-        $category_inserts
-      );
-      $category_ids = array_map(function ($row) { return (int)$row['id']; }, $category_inserts);
-      pwg_activity('album', $category_ids, 'add', array('sync'=>true));
-      add_permission_on_category($category_ids, get_admins());
-      $counts['new_categories'] = count($category_ids);
-    }
-
-    $to_delete_categories = array();
-    foreach (array_diff(array_keys($db_fulldirs), $fs_fulldirs) as $fulldir)
-    {
-      $to_delete_categories[] = (int)$db_fulldirs[$fulldir];
-      unset($db_fulldirs[$fulldir]);
-    }
-    if ($to_delete_categories)
-    {
-      delete_categories($to_delete_categories);
-      $counts['del_categories'] = count($to_delete_categories);
     }
+    $counts['new_categories'] = count($created_ids);
 
     $fs = $site_reader->get_elements($basedir);
-    $cat_ids = array_diff(array_keys($db_categories), $to_delete_categories);
+    $db_elements = bratonien_tools_nc_managed_images($basedir);
-    $db_elements = array();
+    $db_by_path = array_flip($db_elements);
-    if ($cat_ids)
+
+    $to_delete = array();
+    foreach ($db_elements as $id=>$path)
     {
-      $query = 'SELECT id, path FROM '.IMAGES_TABLE.' WHERE storage_category_id IN ('.implode(',', array_map('intval', $cat_ids)).')';
+      if (!array_key_exists($path, $fs)) $to_delete[] = (int)$id;
-      $db_elements = simple_hash_from_query($query, 'id', 'path');
+    }
+    if ($to_delete)
+    {
+      delete_elements($to_delete, false);
+      $counts['del_elements'] = count($to_delete);
+      foreach ($to_delete as $id)
+      {
+        if (isset($db_elements[$id])) unset($db_by_path[$db_elements[$id]], $db_elements[$id]);
+      }
     }
 
     $next_element_id = pwg_db_nextval('id', IMAGES_TABLE);
     $image_inserts = array();
     $image_links = array();
-    $format_inserts = array();
+    $new_ids = array();
-    $new_image_ids = array();
+    $all_ids = array();
 
-    foreach (array_diff(array_keys($fs), $db_elements) as $path)
+    foreach ($fs as $path=>$file_info)
     {
       $dirname = dirname($path);
-      if (!isset($db_fulldirs[$dirname]))
+      $relative_dir = bratonien_tools_nc_relative_path($basedir, $dirname);
+      $category_id = null;
+      if ($relative_dir !== '')
       {
+        $category_id = $dir_to_album[$dirname] ?? bratonien_tools_nc_ensure_album_path($relative_dir, $site_id, $album_cache, $created_ids);
+      }
+
+      if (isset($db_by_path[$path]))
+      {
+        $id = (int)$db_by_path[$path];
+        $all_ids[] = $id;
+        pwg_query('DELETE FROM '.IMAGE_CATEGORY_TABLE.' WHERE image_id='.$id);
+        if ($category_id !== null)
+        {
+          single_insert(IMAGE_CATEGORY_TABLE, array('image_id'=>$id, 'category_id'=>$category_id));
+        }
         continue;
       }
 
@@ -229,116 +251,40 @@ function bratonien_tools_ws_nc_sync_productive($params, &$service)
 
       $id = $next_element_id++;
       $image_inserts[] = array(
-        'id' => $id,
+        'id'=>$id,
-        'file' => $filename,
+        'file'=>$filename,
-        'name' => get_name_from_file($filename),
+        'name'=>get_name_from_file($filename),
-        'date_available' => $dbnow,
+        'date_available'=>$dbnow,
-        'path' => $path,
+        'path'=>$path,
-        'representative_ext' => $fs[$path]['representative_ext'],
+        'representative_ext'=>$file_info['representative_ext'],
-        'storage_category_id' => $db_fulldirs[$dirname],
+        'storage_category_id'=>null,
-        'added_by' => (int)$user['id'],
+        'added_by'=>(int)$user['id'],
       );
-      $image_links[] = array('image_id'=>$id, 'category_id'=>$db_fulldirs[$dirname]);
+      if ($category_id !== null)
-      $new_image_ids[] = $id;
-
-      if (!empty($conf['enable_formats']) && !empty($fs[$path]['formats']))
       {
-        foreach ($fs[$path]['formats'] as $ext => $filesize)
+        $image_links[] = array('image_id'=>$id, 'category_id'=>$category_id);
-        {
-          $format_inserts[] = array('image_id'=>$id, 'ext'=>$ext, 'filesize'=>$filesize);
-        }
       }
+      $new_ids[] = $id;
+      $all_ids[] = $id;
     }
 
     if ($image_inserts)
     {
       mass_inserts(IMAGES_TABLE, array_keys($image_inserts[0]), $image_inserts);
-      mass_inserts(IMAGE_CATEGORY_TABLE, array_keys($image_links[0]), $image_links);
+      if ($image_links) mass_inserts(IMAGE_CATEGORY_TABLE, array_keys($image_links[0]), $image_links);
-      pwg_activity('photo', $new_image_ids, 'add', array('sync'=>true));
+      pwg_activity('photo', $new_ids, 'add', array('sync'=>true));
-      $counts['new_elements'] = count($image_inserts);
+      $counts['new_elements'] = count($new_ids);
-    }
-    if ($format_inserts)
-    {
-      mass_inserts(IMAGE_FORMAT_TABLE, array_keys($format_inserts[0]), $format_inserts);
-      $counts['new_formats'] += count($format_inserts);
     }
 
-    if (!empty($conf['enable_formats']) && $db_elements)
-    {
-      $db_elements_flip = array_flip($db_elements);
-      $existing_ids = array();
-      foreach (array_intersect_key($fs, $db_elements_flip) as $path => $unused)
-      {
-        $existing_ids[] = (int)$db_elements_flip[$path];
-      }
-
-      if ($existing_ids)
-      {
-        $db_formats = array();
-        $result = pwg_query('SELECT * FROM '.IMAGE_FORMAT_TABLE.' WHERE image_id IN ('.implode(',', $existing_ids).')');
-        while ($row = pwg_db_fetch_assoc($result))
-        {
-          $db_formats[$row['image_id']][$row['ext']] = $row['format_id'];
-        }
-
-        $formats_to_delete = array();
-        $formats_to_insert = array();
-        foreach ($existing_ids as $image_id)
-        {
-          $path = $db_elements[$image_id];
-          $known = $db_formats[$image_id] ?? array();
-          $present = $fs[$path]['formats'] ?? array();
-          foreach (array_diff_key($known, $present) as $format_id)
-          {
-            $formats_to_delete[] = (int)$format_id;
-          }
-          foreach (array_diff_key($present, $known) as $ext => $filesize)
-          {
-            $formats_to_insert[] = array('image_id'=>$image_id, 'ext'=>$ext, 'filesize'=>$filesize);
-          }
-        }
-
-        if ($formats_to_delete)
-        {
-          pwg_query('DELETE FROM '.IMAGE_FORMAT_TABLE.' WHERE format_id IN ('.implode(',', $formats_to_delete).')');
-          $counts['del_formats'] = count($formats_to_delete);
-        }
-        if ($formats_to_insert)
-        {
-          mass_inserts(IMAGE_FORMAT_TABLE, array_keys($formats_to_insert[0]), $formats_to_insert);
-          $counts['new_formats'] += count($formats_to_insert);
-        }
-      }
-    }
-
-    $to_delete_elements = array();
-    foreach (array_diff($db_elements, array_keys($fs)) as $path)
-    {
-      $id = array_search($path, $db_elements, true);
-      if ($id !== false)
-      {
-        $to_delete_elements[] = (int)$id;
-      }
-    }
-    if ($to_delete_elements)
-    {
-      delete_elements($to_delete_elements);
-      $counts['del_elements'] = count($to_delete_elements);
-    }
-
-    update_category('all');
-    update_global_rank();
-
-    $files = get_filelist('', $site_id, true, false);
     $updates = array();
-    foreach ($files as $id => $file)
+    foreach ($all_ids as $id)
     {
-      $data = $site_reader->get_element_update_attributes($file['path']);
+      $path_result = pwg_query('SELECT path FROM '.IMAGES_TABLE.' WHERE id='.(int)$id.' LIMIT 1');
-      if (!is_array($data))
+      if (!pwg_db_num_rows($path_result)) continue;
-      {
+      list($path) = pwg_db_fetch_row($path_result);
-        continue;
+      $data = $site_reader->get_element_update_attributes($path);
-      }
+      if (!is_array($data)) continue;
-      $data['id'] = $id;
+      $data['id'] = (int)$id;
       $updates[] = $data;
     }
     if ($updates)
@@ -351,94 +297,25 @@ function bratonien_tools_ws_nc_sync_productive($params, &$service)
     }
     $counts['upd_elements'] = count($updates);
 
-    $metadata_files = get_filelist('', $site_id, true, true);
-    $counts['metadata_candidates'] = count($metadata_files);
-    $metadata_updates = array();
-    $tags_of = array();
-
-    foreach ($metadata_files as $id => $element_infos)
-    {
-      $data = $site_reader->get_element_metadata($element_infos);
-      if (!is_array($data))
-      {
-        bratonien_tools_nc_productive_error($errors, $element_infos['path'], 'PWG-ERROR-NO-FS');
-        continue;
-      }
-
-      $data['date_metadata_update'] = $dbnow;
-      $data['id'] = $id;
-      $metadata_updates[] = $data;
-
-      foreach (array('keywords','tags') as $key)
-      {
-        if (!isset($data[$key]))
-        {
-          continue;
-        }
-        $tags_of[$id] = $tags_of[$id] ?? array();
-        foreach (explode(',', $data[$key]) as $tag_name)
-        {
-          $tags_of[$id][] = tag_id_from_tag_name($tag_name);
-        }
-      }
-    }
-
-    if ($metadata_updates)
-    {
-      mass_updates(
-        IMAGES_TABLE,
-        array(
-          'primary'=>array('id'),
-          'update'=>array_unique(array_merge(
-            array_diff($site_reader->get_metadata_attributes(), array('keywords','tags')),
-            array('date_metadata_update')
-          )),
-        ),
-        $metadata_updates,
-        MASS_UPDATES_SKIP_EMPTY
-      );
-    }
-    if ($tags_of)
-    {
-      set_tags_of($tags_of);
-    }
-    $counts['metadata_updated'] = count($metadata_updates);
-
-    // Mirror Piwigo 16.4.0 Maintenance -> "Update albums informations".
-    // This repairs the derived album hierarchy and counters that the direct
-    // API sync otherwise bypasses when no admin maintenance page is invoked.
     images_integrity();
     categories_integrity();
     update_uppercats();
     update_category('all');
     update_global_rank();
-    invalidate_user_cache(true);
-
-    // Mirror Piwigo 16.4.0 Maintenance -> "Update photos information".
-    // This finalizes physical paths, ratings and derived photo information.
-    images_integrity();
-    update_path();
-    include_once(PHPWG_ROOT_PATH.'include/functions_rate.inc.php');
-    update_rating_score();
     invalidate_user_cache();
-  }
-  catch (Throwable $e)
-  {
-    return new PwgError(500, 'Bratonien direct synchronization failed: '.$e->getMessage());
-  }
 
-  return array(
+    return array(
-    'mode' => 'productive',
+      'mode'=>'productive',
-    'engine' => 'bratonien-direct',
+      'piwigo_version'=>$piwigo_version,
-    'approved_piwigo_version' => '16.4.0',
+      'site_id'=>$site_id,
-    'piwigo_version' => $piwigo_version,
+      'site_url'=>$site_url,
-    'site_id' => $site_id,
+      'counts'=>$counts,
-    'site_url' => $site_url,
+      'errors'=>$errors,
-    'counts' => $counts,
+      'database_writes'=>array_sum($counts) > 0,
-    'errors' => $errors,
+    );
-    'error_count' => count($errors),
+  }
-    'database_writes' => true,
+  catch (Throwable $error)
-    'username' => isset($user['username']) ? (string)$user['username'] : '',
+  {
-    'status' => isset($user['status']) ? (string)$user['status'] : '',
+    return new PwgError(500, 'Bratonien NC synchronization failed: '.$error->getMessage());
-  );
+  }
 }

include/tool_registry.inc.php

@@ -6,7 +6,7 @@ if (!defined('PHPWG_ROOT_PATH'))
 
 if (isset($GLOBALS['template']) && is_object($GLOBALS['template']) && method_exists($GLOBALS['template'], 'func_combine_script'))
 {
-  $script_version = function_exists('bratonien_tools_current_version') ? bratonien_tools_current_version() : '0.9.6.27';
+  $script_version = function_exists('bratonien_tools_current_version') ? bratonien_tools_current_version() : '0.9.6.30';
   $GLOBALS['template']->func_combine_script(array(
     'id'=>'bratonien_nc_connector_edit_v2',
     'path'=>BRATONIEN_TOOLS_PATH.'js/nc_connector_edit_v2.js',
@@ -41,57 +41,13 @@ require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_delete_safe.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_webdav.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_wizard_webdav_flow.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_edit.inc.php');
+require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_scheduler.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_system.inc.php');
 
 function bratonien_tools_nc_connector_run_now()
 {
-  $service = 'bratonien-nc-connector.service';
+  $result = bratonien_tools_nc_scheduler_spawn(true);
-  $active = bratonien_tools_nc_connector_systemctl_value(array('is-active', $service));
+  return array('message'=>(string)($result['message'] ?? 'NC-Abgleich wurde gestartet.'));
-  if ($active === 'active' || $active === 'activating')
-  {
-    return array('message'=>'Der NC-Abgleich läuft bereits.');
-  }
-
-  if (!function_exists('proc_open'))
-  {
-    throw new RuntimeException('Der NC-Abgleich konnte nicht gestartet werden: proc_open ist nicht verfügbar.');
-  }
-
-  $commands = array(
-    array('/usr/bin/sudo', '-n', '/usr/bin/systemctl', 'start', '--no-block', $service),
-    array('/usr/bin/systemctl', 'start', '--no-block', $service),
-  );
-  $last_error = '';
-
-  foreach ($commands as $command)
-  {
-    if (!is_executable($command[0]))
-    {
-      continue;
-    }
-    $spec = array(
-      0=>array('file','/dev/null','r'),
-      1=>array('pipe','w'),
-      2=>array('pipe','w'),
-    );
-    $process = @proc_open($command, $spec, $pipes, null, array_merge($_ENV, array('LC_ALL'=>'C','LANG'=>'C')));
-    if (!is_resource($process))
-    {
-      continue;
-    }
-    $stdout = trim((string)stream_get_contents($pipes[1]));
-    $stderr = trim((string)stream_get_contents($pipes[2]));
-    fclose($pipes[1]);
-    fclose($pipes[2]);
-    $exit = proc_close($process);
-    if ($exit === 0)
-    {
-      return array('message'=>'NC-Abgleich wurde gestartet.');
-    }
-    $last_error = $stderr !== '' ? $stderr : $stdout;
-  }
-
-  throw new RuntimeException('Der NC-Abgleich konnte nicht gestartet werden'.($last_error !== '' ? ': '.$last_error : '.'));
 }
 
 function bratonien_tools_get_tools()

main.inc.php

@@ -1,7 +1,7 @@
 <?php
 /*
 Plugin Name: Bratonien Tools
-Version: 0.9.6.27
+Version: 0.9.6.30
 Description: Erweiterbare Administrationswerkzeuge fuer die Bratonien-Piwigo-Installation.
 Plugin URI: https://github.com/Terranom674/Piwigo_Bratonien_Tools
 Author: Bratonien
@@ -24,6 +24,7 @@ require_once(BRATONIEN_TOOLS_PATH . 'include/album_shares.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_ws.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_orphan_ws.inc.php');
 require_once(BRATONIEN_TOOLS_PATH . 'include/nc_productive_ws.inc.php');
+require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_scheduler.inc.php');
 
 add_event_handler('get_admin_plugin_menu_links', 'bratonien_tools_admin_menu');
 add_event_handler('get_derivative_url', 'bratonien_tools_filter_derivative_url', EVENT_HANDLER_PRIORITY_NEUTRAL, 4);
@@ -35,6 +36,7 @@ add_event_handler('init', 'bratonien_tools_prepare_connector_private_import', EV
 add_event_handler('init', 'bratonien_tools_prepare_private_album_permissions', EVENT_HANDLER_PRIORITY_NEUTRAL - 20);
 add_event_handler('init', 'bratonien_tools_preserve_private_album_access', EVENT_HANDLER_PRIORITY_NEUTRAL - 10);
 add_event_handler('init', 'bratonien_tools_album_shares_init');
+add_event_handler('init', 'bratonien_tools_nc_scheduler_tick', EVENT_HANDLER_PRIORITY_NEUTRAL + 100);
 add_event_handler('delete_categories', 'bratonien_tools_album_shares_on_delete_categories');
 add_event_handler('ws_add_methods', 'bratonien_tools_register_ws_methods');
 add_event_handler('ws_add_methods', 'bratonien_tools_register_nc_orphan_ws_methods');

maintain.class.php

@@ -8,6 +8,7 @@ require_once(dirname(__FILE__) . '/include/album_shares.inc.php');
 require_once(dirname(__FILE__) . '/include/database.class.php');
 require_once(dirname(__FILE__) . '/tools/watermark_profiles.inc.php');
 require_once(dirname(__FILE__) . '/include/dependencies.inc.php');
+require_once(dirname(__FILE__) . '/include/nc_connector_scheduler.inc.php');
 
 class bratonien_tools_maintain extends PluginMaintain
 {
@@ -18,9 +19,14 @@ class bratonien_tools_maintain extends PluginMaintain
 
     $dependency_messages = array();
     bratonien_tools_ensure_dependencies($dependency_messages);
+    if (!bratonien_tools_nc_scheduler_install())
+    {
+      $dependency_messages[] = 'Der native NC-Scheduler konnte sein Piwigo-Laufzeitverzeichnis nicht anlegen.';
+    }
 
     if (function_exists('conf_update_param'))
     {
+      conf_update_param('bratonien_nc_scheduler_interval', 60);
       conf_update_param('bratonien_dependency_status', json_encode(array(
         'checked_at' => time(),
         'messages' => $dependency_messages,

runtime/lib/build_webdav_placeholder_source.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
 """Build a placeholder-backed local source tree from Nextcloud WebDAV.
 
-This is intentionally additive: it does not replace the existing local-storage
+This creates only tiny placeholder files plus a metadata mapping; no Nextcloud
-connector path. It creates only tiny placeholder files plus a metadata mapping;
+original media is downloaded. The authenticated Nextcloud user is never used as
-no Nextcloud original media is downloaded.
+an album name.
 """
 
 from __future__ import annotations
@@ -26,8 +26,6 @@ from pathlib import Path, PurePosixPath
 DAV = "DAV:"
 OC = "http://owncloud.org/ns"
 SUPPORTED_IMAGE_EXTENSIONS = {".jpg", ".jpeg", ".png", ".gif", ".webp"}
-# 1x1 transparent GIF, 34 bytes. The filename keeps the remote extension;
-# the placeholder exists only so Piwigo can discover the logical image entry.
 PLACEHOLDER = base64.b64decode("R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==")
 
 
@@ -148,13 +146,7 @@ def link_placeholder(seed: Path, target: Path) -> None:
         target.write_bytes(PLACEHOLDER)
 
 
-def build_root(
+def build_root(client: WebDavClient, remote_root: str, local_root: Path, seed: Path, mapping: dict[str, dict[str, object]]) -> tuple[int, int, int]:
-    client: WebDavClient,
-    remote_root: str,
-    local_root: Path,
-    seed: Path,
-    mapping: dict[str, dict[str, object]],
-) -> tuple[int, int, int]:
     files = 0
     folders = 0
     skipped = 0
@@ -253,22 +245,36 @@ def main() -> int:
         mapping: dict[str, dict[str, object]] = {}
         manifest: list[str] = []
         total_files = total_folders = total_skipped = 0
-        used_names: set[str] = set()
+        used_fileids: set[int] = set()
 
         for remote_root_raw in args.root:
             remote_root = validate_relative(remote_root_raw)
-            current, _ = client.list_collection(remote_root)
+            current, root_children = client.list_collection(remote_root)
             fileid = int(current["fileid"])
-            display = str(current.get("display_name", "")).strip() or (PurePosixPath(remote_root).name if remote_root else args.user)
+            if fileid in used_fileids:
-            local_name = f"root-{fileid}"
-            if local_name in used_names:
                 fail(f"duplicate selected Nextcloud root fileid: {fileid}")
-            used_names.add(local_name)
+            used_fileids.add(fileid)
+            local_name = f"root-{fileid}"
             local_root = staging / local_name
             files, folders, skipped = build_root(client, remote_root, local_root, seed, mapping)
             total_files += files
             total_folders += folders
             total_skipped += skipped
+
+            if remote_root == "":
+                for child in sorted(root_children, key=lambda item: str(item.get("display_name", "")).casefold()):
+                    name = safe_local_name(str(child.get("display_name", "")))
+                    child_fileid = int(child.get("fileid", 0))
+                    if child_fileid < 1:
+                        fail(f"Nextcloud returned no stable fileid for root child {name!r}")
+                    child_path = source_dir / local_name / name
+                    if bool(child.get("is_dir")):
+                        manifest.append(f"webdav:{child_fileid}\tfolder\t{name}\t{child_path}")
+                    elif Path(name).suffix.lower() in SUPPORTED_IMAGE_EXTENSIONS:
+                        manifest.append(f"webdav:{child_fileid}\tfile\t{name}\t{child_path}")
+                continue
+
+            display = str(current.get("display_name", "")).strip() or PurePosixPath(remote_root).name
             manifest.append(f"webdav:{fileid}\tfolder\t{display}\t{source_dir / local_name}")
 
         if previous.exists():

runtime/lib/piwigo-sync.php

@@ -252,8 +252,6 @@ try
       );
       decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncProductive', 'site_id'=>$site_id), $headers));
       $orphan = decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0), $headers));
-      // Entfernt alte technische bratonien-webdav-N Wrapper aus Site 1,
-      // nachdem deren generierte Verzeichnisse beim Reconcile entfernt wurden.
       if ($site_id !== 1)
       {
         decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0), $headers));
@@ -284,16 +282,31 @@ try
   try
   {
     decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'pwg.session.login', 'username'=>$fallback_user, 'password'=>$fallback_password), array(), $cookie_file));
-    http_request(
+
-      $base_url.'/admin.php?page=site_update&site='.$site_id,
+    // Der Fallback darf keinen zweiten Strukturpfad benutzen. Auch mit
-      array('sync'=>'files','display_info'=>1,'privacy_level'=>0,'sync_meta'=>1,'simulate'=>0,'subcats-included'=>1,'bratonien_connector'=>1,'submit'=>1),
+    // Benutzer/Passwort wird exakt derselbe Bratonien-Sync wie mit API-Key
+    // ausgefuehrt. Dadurch werden alte technische WebDAV-Kategorien entfernt
+    // und vorhandene Piwigo-Alben wiederverwendet.
+    decode_ws(http_request(
+      $base_url.'/ws.php?format=json',
+      array('method'=>'bratonien.nc.syncProductive', 'site_id'=>$site_id),
       array(),
       $cookie_file
-    );
+    ));
-    $orphan = decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0), array(), $cookie_file));
+    $orphan = decode_ws(http_request(
+      $base_url.'/ws.php?format=json',
+      array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0),
+      array(),
+      $cookie_file
+    ));
     if ($site_id !== 1)
     {
-      decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0), array(), $cookie_file));
+      decode_ws(http_request(
+        $base_url.'/ws.php?format=json',
+        array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0),
+        array(),
+        $cookie_file
+      ));
     }
     $added = (int)($orphan['added_orphans'] ?? 0);
     $deleted = (int)($orphan['deleted_orphans'] ?? 0);

runtime/native-runner.php

@@ -0,0 +1,100 @@
+#!/usr/bin/env php
+<?php
+if (PHP_SAPI !== 'cli')
+{
+  fwrite(STDERR, "CLI only\n");
+  exit(1);
+}
+
+$pluginRoot = dirname(__DIR__);
+$piwigoRoot = dirname($pluginRoot, 2);
+$base = rtrim($piwigoRoot, '/').'/_data/bratonien-tools';
+$schedulerDir = $base.'/nc-connector-scheduler';
+$stateFile = $schedulerDir.'/state.json';
+$runtimeDir = $base.'/nc-connector-runtime';
+$stateRoot = $base.'/nc-connector-state';
+
+function native_scheduler_state($path)
+{
+  if (!is_readable($path)) return array();
+  $decoded = json_decode((string)@file_get_contents($path), true);
+  return is_array($decoded) ? $decoded : array();
+}
+
+function native_scheduler_write($path, array $state)
+{
+  $json = json_encode($state, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+  if (!is_string($json)) return false;
+  $tmp = $path.'.tmp';
+  if (@file_put_contents($tmp, $json."\n", LOCK_EX) === false) return false;
+  @chmod($tmp, 0640);
+  return @rename($tmp, $path);
+}
+
+foreach (array($schedulerDir, $runtimeDir, $stateRoot) as $dir)
+{
+  if (!is_dir($dir) && !@mkdir($dir, 0750, true) && !is_dir($dir))
+  {
+    fwrite(STDERR, "Runtime-Verzeichnis konnte nicht angelegt werden: {$dir}\n");
+    exit(1);
+  }
+}
+
+$state = native_scheduler_state($stateFile);
+$state['enabled'] = true;
+$state['mode'] = 'piwigo-native';
+$state['state'] = 'running';
+$state['message'] = 'NC-Abgleich läuft.';
+$state['started_at'] = time();
+$state['timestamp'] = time();
+native_scheduler_write($stateFile, $state);
+
+$env = $_ENV;
+$env['PATH'] = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin';
+$env['BRATONIEN_NC_NATIVE'] = '1';
+$env['BRATONIEN_NC_PIWIGO_ROOT'] = $piwigoRoot;
+$env['BRATONIEN_NC_CONFIG_DIR'] = $runtimeDir;
+$env['BRATONIEN_NC_STATE_ROOT'] = $stateRoot;
+$env['LC_ALL'] = 'C';
+$env['LANG'] = 'C';
+
+$bash = is_executable('/usr/bin/bash') ? '/usr/bin/bash' : '/bin/bash';
+$command = array($bash, $pluginRoot.'/runtime/run-all.sh');
+$spec = array(
+  0=>array('file','/dev/null','r'),
+  1=>array('pipe','w'),
+  2=>array('pipe','w'),
+);
+$process = @proc_open($command, $spec, $pipes, null, $env);
+$stdout = '';
+$stderr = '';
+$exit = 1;
+if (is_resource($process))
+{
+  $stdout = (string)stream_get_contents($pipes[1]);
+  $stderr = (string)stream_get_contents($pipes[2]);
+  fclose($pipes[1]);
+  fclose($pipes[2]);
+  $exit = proc_close($process);
+}
+else
+{
+  $stderr = 'run-all.sh konnte nicht gestartet werden.';
+}
+
+$state = native_scheduler_state($stateFile);
+$state['enabled'] = true;
+$state['mode'] = 'piwigo-native';
+$state['state'] = $exit === 0 ? 'success' : 'error';
+$state['message'] = $exit === 0 ? 'NC-Abgleich erfolgreich abgeschlossen.' : 'NC-Abgleich fehlgeschlagen.';
+$state['timestamp'] = time();
+$state['finished_at'] = time();
+$state['exit_code'] = $exit;
+$state['stdout'] = trim($stdout);
+$state['stderr'] = trim($stderr);
+if (empty($state['next_due']) || (int)$state['next_due'] < time())
+{
+  $state['next_due'] = time() + 60;
+}
+native_scheduler_write($stateFile, $state);
+exit($exit === 0 ? 0 : 1);

runtime/reconcile-webdav.php

@@ -78,8 +78,11 @@ function webdav_source_fingerprint($baseUrl, $user, array $roots)
 $pluginRoot = dirname(__DIR__);
 $piwigoRoot = dirname($pluginRoot, 2);
 $dbConfig = $piwigoRoot.'/local/config/database.inc.php';
-$configDir = '/etc/bratonien-tools/nc-connector';
+$nativeMode = getenv('BRATONIEN_NC_NATIVE') === '1';
-$stateRoot = '/var/lib/bratonien-tools/nc-connector';
+$configDir = trim((string)getenv('BRATONIEN_NC_CONFIG_DIR'));
+if ($configDir === '') $configDir = $nativeMode ? rtrim($piwigoRoot, '/').'/_data/bratonien-tools/nc-connector-runtime' : '/etc/bratonien-tools/nc-connector';
+$stateRoot = trim((string)getenv('BRATONIEN_NC_STATE_ROOT'));
+if ($stateRoot === '') $stateRoot = $nativeMode ? rtrim($piwigoRoot, '/').'/_data/bratonien-tools/nc-connector-state' : '/var/lib/bratonien-tools/nc-connector';
 $publicSourceRoot = rtrim($piwigoRoot, '/').'/_data/bratonien-tools/nc-webdav-source';
 $publicGalleryRoot = rtrim($piwigoRoot, '/').'/_data/bratonien-tools/nc-webdav-gallery';
 $legacyGalleryRoot = rtrim($piwigoRoot, '/').'/galleries';
@@ -107,11 +110,12 @@ try
   $rows = $db->query("SELECT id,name,adapter,config_json,secret_blob FROM `{$table}` ORDER BY id DESC");
   if (!$rows) fail_webdav_reconcile('Connector-Verbindungen konnten nicht gelesen werden: '.$db->error);
 
-  foreach (array($configDir, $publicSourceRoot, $publicGalleryRoot) as $dir)
+  foreach (array($configDir, $stateRoot, $publicSourceRoot, $publicGalleryRoot) as $dir)
   {
-    if (!is_dir($dir) && !mkdir($dir, $dir === $configDir ? 0700 : 0755, true)) fail_webdav_reconcile('Runtime-Verzeichnis konnte nicht angelegt werden: '.$dir);
+    if (!is_dir($dir) && !mkdir($dir, $dir === $configDir ? 0700 : 0750, true)) fail_webdav_reconcile('Runtime-Verzeichnis konnte nicht angelegt werden: '.$dir);
   }
   @chmod($configDir, 0700);
+  @chmod($stateRoot, 0750);
   @chmod($publicSourceRoot, 0755);
   @chmod($publicGalleryRoot, 0755);
 
@@ -150,7 +154,7 @@ try
       $seenFingerprints[$fingerprint] = $id;
       $known[$id] = true;
 
-      $stateDir = rtrim((string)($config['state_dir'] ?? ''), '/');
+      $stateDir = $nativeMode ? $stateRoot.'/connection-'.$id : rtrim((string)($config['state_dir'] ?? ''), '/');
       if ($stateDir === '') $stateDir = $stateRoot.'/connection-'.$id;
       if (!is_dir($stateDir) && !mkdir($stateDir, 0750, true)) fail_webdav_reconcile('State-Verzeichnis konnte nicht angelegt werden.');
       @chmod($stateDir, 0750);
@@ -219,7 +223,7 @@ try
       $config['parallel_gallery_root'] = $galleryRoot;
       $config['source_fingerprint'] = $fingerprint;
       $config['runtime'] = array(
-        'mode'=>'webdav',
+        'mode'=>$nativeMode ? 'piwigo-native-webdav' : 'webdav',
         'config'=>$configPath,
         'piwigo_sync_enabled'=>true,
         'reconciled_at'=>date('Y-m-d H:i:s'),

runtime/run-all.sh

@@ -1,8 +1,18 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-CONFIG_DIR="/etc/bratonien-tools/nc-connector"
 SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+PIWIGO_ROOT_DEFAULT="${BRATONIEN_NC_PIWIGO_ROOT:-$(cd -- "$SCRIPT_DIR/../../.." && pwd)}"
+CONFIG_DIR="${BRATONIEN_NC_CONFIG_DIR:-/etc/bratonien-tools/nc-connector}"
+NATIVE_MODE="${BRATONIEN_NC_NATIVE:-0}"
+GLOBAL_LOCK_DIR="${PIWIGO_ROOT_DEFAULT%/}/_data/bratonien-tools/nc-connector-scheduler"
+GLOBAL_LOCK_FILE="$GLOBAL_LOCK_DIR/worker.lock"
+mkdir -p -- "$GLOBAL_LOCK_DIR"
+exec 8>"$GLOBAL_LOCK_FILE"
+if ! flock -n 8; then
+    echo "NC Connector: ein Lauf ist bereits aktiv."
+    exit 0
+fi
 shopt -s nullglob
 
 read_config_value() {
@@ -39,10 +49,14 @@ write_route_status() {
     ' "$ROUTE_STATUS_FILE" "$route" "$label" "$detail" "$success"
 }
 
-php "$SCRIPT_DIR/reconcile.php"
+if [[ "$NATIVE_MODE" != "1" ]]; then
+    php "$SCRIPT_DIR/reconcile.php"
+fi
 php "$SCRIPT_DIR/reconcile-webdav.php"
 php "$SCRIPT_DIR/cleanup-webdav-piwigo.php"
-php "$SCRIPT_DIR/cleanup-stale.php"
+if [[ "$NATIVE_MODE" != "1" ]]; then
+    php "$SCRIPT_DIR/cleanup-stale.php"
+fi
 
 configs=("$CONFIG_DIR"/connection-*.conf)
 webdav_configs=("$CONFIG_DIR"/webdav-connection-*.conf)
@@ -58,7 +72,7 @@ for candidate in "${webdav_configs[@]}" "${configs[@]}"; do
     route_piwigo_root="$(read_config_value PIWIGO_ROOT "$candidate")"
     [[ -n "$route_piwigo_root" ]] && break
 done
-[[ -n "$route_piwigo_root" ]] || route_piwigo_root="/var/www/piwigo"
+[[ -n "$route_piwigo_root" ]] || route_piwigo_root="$PIWIGO_ROOT_DEFAULT"
 ROUTE_STATUS_FILE="${route_piwigo_root%/}/_data/bratonien-tools/nc-connector-status/route-status.json"
 
 failure_count=0
@@ -91,43 +105,45 @@ for config in "${webdav_configs[@]}"; do
     fi
 done
 
-for config in "${configs[@]}"; do
+if [[ "$NATIVE_MODE" != "1" ]]; then
-    [[ -f "$config" ]] || continue
+    for config in "${configs[@]}"; do
-    name="$(basename "$config")"
+        [[ -f "$config" ]] || continue
-    connection_id="0"
+        name="$(basename "$config")"
-    if [[ "$name" =~ ^connection-([0-9]+)\.conf$ ]]; then
+        connection_id="0"
-        connection_id="${BASH_REMATCH[1]}"
+        if [[ "$name" =~ ^connection-([0-9]+)\.conf$ ]]; then
-    fi
+            connection_id="${BASH_REMATCH[1]}"
-    if [[ "$connection_id" -lt 1 ]]; then
+        fi
-        echo "NC Connector: $name besitzt keine gueltige Verbindungs-ID." >&2
+        if [[ "$connection_id" -lt 1 ]]; then
-        failure_count=$((failure_count + 1))
+            echo "NC Connector: $name besitzt keine gueltige Verbindungs-ID." >&2
-        summary_parts+=("$name: ungueltige Verbindungs-ID")
+            failure_count=$((failure_count + 1))
-        continue
+            summary_parts+=("$name: ungueltige Verbindungs-ID")
-    fi
+            continue
+        fi
 
-    piwigo_root="$(read_config_value PIWIGO_ROOT "$config")"
+        piwigo_root="$(read_config_value PIWIGO_ROOT "$config")"
-    [[ -n "$piwigo_root" ]] || piwigo_root="/var/www/piwigo"
+        [[ -n "$piwigo_root" ]] || piwigo_root="$PIWIGO_ROOT_DEFAULT"
-    tombstone_dir="${piwigo_root%/}/_data/bratonien-tools/nc-connector-status"
+        tombstone_dir="${piwigo_root%/}/_data/bratonien-tools/nc-connector-status"
-    if [[ -f "$tombstone_dir/deleted-$connection_id" ]]; then
+        if [[ -f "$tombstone_dir/deleted-$connection_id" ]]; then
-        echo "NC Connector: Verbindung $connection_id wurde geloescht; Laufzeitdateien werden entfernt."
+            echo "NC Connector: Verbindung $connection_id wurde geloescht; Laufzeitdateien werden entfernt."
-        rm -f -- "$CONFIG_DIR/connection-$connection_id.conf" \
+            rm -f -- "$CONFIG_DIR/connection-$connection_id.conf" \
-            "$CONFIG_DIR/connection-$connection_id.db-password" \
+                "$CONFIG_DIR/connection-$connection_id.db-password" \
-            "$CONFIG_DIR/connection-$connection_id.piwigo-password" \
+                "$CONFIG_DIR/connection-$connection_id.piwigo-password" \
-            "$CONFIG_DIR/connection-$connection_id.storages.tsv" \
+                "$CONFIG_DIR/connection-$connection_id.storages.tsv" \
-            "$CONFIG_DIR/connection-$connection_id.roots.tsv"
+                "$CONFIG_DIR/connection-$connection_id.roots.tsv"
-        rm -f -- "$tombstone_dir/deleted-$connection_id"
+            rm -f -- "$tombstone_dir/deleted-$connection_id"
-        continue
+            continue
-    fi
+        fi
 
-    local_count=$((local_count + 1))
+        local_count=$((local_count + 1))
-    echo "NC Connector Local #$connection_id: $name"
+        echo "NC Connector Local #$connection_id: $name"
-    if env PIWIGO_CONFIG="$config" bash "$SCRIPT_DIR/sync.sh"; then
+        if env PIWIGO_CONFIG="$config" bash "$SCRIPT_DIR/sync.sh"; then
-        summary_parts+=("Local #$connection_id erfolgreich")
+            summary_parts+=("Local #$connection_id erfolgreich")
-    else
+        else
-        failure_count=$((failure_count + 1))
+            failure_count=$((failure_count + 1))
-        summary_parts+=("Local #$connection_id fehlgeschlagen")
+            summary_parts+=("Local #$connection_id fehlgeschlagen")
-    fi
+        fi
-done
+    done
+fi
 
 summary_detail="$(IFS='; '; printf '%s' "${summary_parts[*]}")"
 [[ -n "$summary_detail" ]] || summary_detail="Keine Verbindung wurde ausgefuehrt."

runtime/sync-webdav.sh

@@ -134,21 +134,33 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
         exit "$PIWIGO_EXIT"
     fi
 
-    MEDIA_UNIT="bratonien-nc-media-${CONNECTION_ID}-$(date +%s)"
+    if [[ "${BRATONIEN_NC_NATIVE:-0}" == "1" ]]; then
-    if ! systemd-run \
+        if command -v timeout >/dev/null 2>&1; then
-        --quiet \
+            if ! timeout 30m env PIWIGO_CONFIG="$CONFIG_FILE" bash "$SCRIPT_DIR/build-webdav-media.sh"; then
-        --collect \
+                write_status error "Bildaufbereitung ist fehlgeschlagen oder hat das 30-Minuten-Limit erreicht"
-        --unit="$MEDIA_UNIT" \
+                exit 1
-        --property=RuntimeMaxSec=30min \
+            fi
-        --setenv="PIWIGO_CONFIG=$CONFIG_FILE" \
+        elif ! env PIWIGO_CONFIG="$CONFIG_FILE" bash "$SCRIPT_DIR/build-webdav-media.sh"; then
-        /usr/bin/env bash "$SCRIPT_DIR/build-webdav-media.sh"; then
+            write_status error "Bildaufbereitung ist fehlgeschlagen"
-        write_status error "Bildaufbereitung konnte nicht im Hintergrund gestartet werden"
+            exit 1
-        exit 1
+        fi
+    else
+        MEDIA_UNIT="bratonien-nc-media-${CONNECTION_ID}-$(date +%s)"
+        if ! systemd-run \
+            --quiet \
+            --collect \
+            --unit="$MEDIA_UNIT" \
+            --property=RuntimeMaxSec=30min \
+            --setenv="PIWIGO_CONFIG=$CONFIG_FILE" \
+            /usr/bin/env bash "$SCRIPT_DIR/build-webdav-media.sh"; then
+            write_status error "Bildaufbereitung konnte nicht im Hintergrund gestartet werden"
+            exit 1
+        fi
     fi
 
     if grep -q 'Piwigo-Synchronisierung per API erfolgreich' <<<"$PIWIGO_OUTPUT"; then
         write_status ok \
-            "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung läuft im Hintergrund" \
+            "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung abgeschlossen" \
             "" \
             "api" \
             "ok" \
@@ -157,7 +169,7 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
             "Fallback wurde nicht benötigt"
     elif grep -q 'Piwigo-Datenbanksynchronisierung per Benutzername/Passwort-Fallback erfolgreich' <<<"$PIWIGO_OUTPUT"; then
         write_status ok \
-            "WebDAV eingelesen und Piwigo über Fallback synchronisiert; Bildaufbereitung läuft im Hintergrund" \
+            "WebDAV eingelesen und Piwigo über Fallback synchronisiert; Bildaufbereitung abgeschlossen" \
             "" \
             "fallback" \
             "not_used" \
@@ -165,7 +177,7 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
             "ok" \
             "Benutzername/Passwort-Fallback erfolgreich"
     else
-        write_status ok "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung läuft im Hintergrund"
+        write_status ok "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung abgeschlossen"
     fi
 else
     write_status ok "WebDAV eingelesen; Piwigo-Synchronisierung ist für diese Verbindung deaktiviert"