Thomas/Piwigo_Bratonien_Tools
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Fix Piwigo-relative source path resolution for WebDAV preview derivatives

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Terranom674
2026-08-20 20:04:37 +02:00
parent 43dc600b98
commit 68e4cd876d
1 changed files with 12 additions and 6 deletions
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18
webdav-derivative.php
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@@ -385,14 +385,20 @@ if ($target_path !== '' && is_file($target_path) && is_readable($target_path))
exit;
}
$source_logical_path = (string)$image_row['path'];
if (strpos($source_logical_path, '/') !== 0)
{
$source_logical_path = PHPWG_ROOT_PATH.ltrim(preg_replace('#^\./#', '', $source_logical_path), '/');
}
$lock_dir = PHPWG_ROOT_PATH.'upload/bratonien-webdav-materialize';
if (!is_dir($lock_dir)) @mkdir($lock_dir, 0755, true);
$lock_path = $lock_dir.'/image-'.$image_id.'.lock';
$lock_handle = fopen($lock_path, 'c');
if (!$lock_handle) bratonien_tools_webdav_derivative_abort(500, 'Derivat-Lock konnte nicht geoeffnet werden.');
bratonien_tools_webdav_derivative_debug($request_id, 'waiting_lock', array('lock'=>$lock_path, 'is_link'=>is_link($image_row['path'])));
bratonien_tools_webdav_derivative_debug($request_id, 'waiting_lock', array('lock'=>$lock_path, 'is_link'=>is_link($source_logical_path)));
flock($lock_handle, LOCK_EX);
bratonien_tools_webdav_derivative_debug($request_id, 'lock_acquired', array('is_link'=>is_link($image_row['path'])));
bratonien_tools_webdav_derivative_debug($request_id, 'lock_acquired', array('is_link'=>is_link($source_logical_path)));
clearstatcache(true, $target_path);
if ($target_path !== '' && is_file($target_path) && is_readable($target_path))
@@ -461,7 +467,7 @@ if ($source_mode !== 'preview')
));
}
$source_path = realpath($image_row['path']);
$source_path = realpath($source_logical_path);
if ($source_path === false || !is_file($source_path))
{
@unlink($temp_source);
@@ -471,7 +477,7 @@ if ($source_path === false || !is_file($source_path))
}
$placeholder_backup = $source_path.'.bratonien-placeholder-'.$request_id;
$staging_path = $image_row['path'].'.bratonien-source-'.$request_id;
$staging_path = $source_logical_path.'.bratonien-source-'.$request_id;
@unlink($placeholder_backup);
@unlink($staging_path);
if (!@copy($temp_source, $staging_path))
@@ -493,7 +499,7 @@ try
throw new RuntimeException('Temporaere Bildquelle konnte nicht eingesetzt werden.');
}
$swapped = true;
bratonien_tools_webdav_derivative_debug($request_id, 'swapped', array('is_link'=>is_link($image_row['path']), 'mode'=>$source_mode));
bratonien_tools_webdav_derivative_debug($request_id, 'swapped', array('is_link'=>is_link($source_logical_path), 'mode'=>$source_mode));
$generate_start = microtime(true);
bratonien_tools_webdav_derivative_debug($request_id, 'generate_start', array('target'=>$target_path, 'mode'=>$source_mode));
@@ -526,7 +532,7 @@ catch (Throwable $e)
@unlink($source_path);
@rename($placeholder_backup, $source_path);
@unlink($temp_source);
bratonien_tools_webdav_derivative_debug($request_id, 'restored', array('is_link'=>is_link($image_row['path'])));
bratonien_tools_webdav_derivative_debug($request_id, 'restored', array('is_link'=>is_link($source_logical_path)));
flock($lock_handle, LOCK_UN);
fclose($lock_handle);