Thomas/Piwigo_Bratonien_Tools
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0.9.7.10: Connector-Platzhalter nie als Derivat ausliefern

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Terranom674
2026-08-19 22:26:37 +02:00
parent ae96fc2e3e
commit b8852310bd
1 changed files with 51 additions and 5 deletions
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56
include/webdav_gallery_runtime.inc.php
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@@ -4,6 +4,42 @@ if (!defined('PHPWG_ROOT_PATH'))
die('Hacking attempt!');
}
function bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id)
{
$derivative_path = (string)$derivative_path;
$image_id = (int)$image_id;
if ($derivative_path === '' || $image_id < 1 || !is_file($derivative_path) || !is_readable($derivative_path)) return false;
$info = bratonien_tools_webdav_image_source_info($image_id);
if (!$info) return false;
$preview = bratonien_tools_webdav_preview_path($info);
if (!$preview || !is_file($preview) || !is_readable($preview)) return false;
$preview_size = @getimagesize($preview);
$derivative_size = @getimagesize($derivative_path);
if (!is_array($preview_size) || empty($preview_size[0]) || empty($preview_size[1])) return false;
if (!is_array($derivative_size) || empty($derivative_size[0]) || empty($derivative_size[1])) return false;
try
{
$expected_size = $params->compute_final_size(array((int)$preview_size[0], (int)$preview_size[1]));
}
catch (Throwable $e)
{
return false;
}
if (!is_array($expected_size) || !isset($expected_size[0], $expected_size[1])) return false;
if ((int)$derivative_size[0] !== (int)$expected_size[0] || (int)$derivative_size[1] !== (int)$expected_size[1]) return false;
$preview_mtime = @filemtime($preview) ?: 0;
$derivative_mtime = @filemtime($derivative_path) ?: 0;
if ($preview_mtime > 0 && $derivative_mtime < $preview_mtime) return false;
return true;
}
function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $src_image, $rel_url)
{
if (!is_object($src_image) || empty($src_image->id) || empty($src_image->rel_path)) return $url;
@@ -14,6 +50,7 @@ function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $sr
return $url;
}
$image_id = (int)$src_image->id;
$derivative_path = '';
try
{
@@ -21,7 +58,7 @@ function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $sr
if (!$derivative->same_as_source())
{
$derivative_path = $derivative->get_path();
if ($derivative_path !== '' && is_file($derivative_path) && is_readable($derivative_path))
if (bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id))
{
return $url;
}
@@ -29,12 +66,18 @@ function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $sr
}
catch (Throwable $e)
{
error_log('Bratonien WebDAV derivative lookup #'.(int)$src_image->id.': '.$e->getMessage());
error_log('Bratonien WebDAV derivative lookup #'.$image_id.': '.$e->getMessage());
}
$script_name = basename((string)($_SERVER['SCRIPT_NAME'] ?? ''));
if ($script_name === 'picture.php' && function_exists('bratonien_tools_webdav_generate_derivative'))
{
if ($derivative_path !== '' && is_file($derivative_path) && !bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id))
{
@unlink($derivative_path);
clearstatcache(true, $derivative_path);
}
$detail = '';
try
{
@@ -45,7 +88,7 @@ function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $sr
$probe = new DerivativeImage($params, $src_image);
if (!$probe->same_as_source()) $derivative_path = $probe->get_path();
}
if ($derivative_path !== '' && is_file($derivative_path) && is_readable($derivative_path))
if (bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id))
{
return $url;
}
@@ -58,10 +101,13 @@ function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $sr
if ($detail !== '')
{
error_log('Bratonien WebDAV picture derivative #'.(int)$src_image->id.': '.$detail);
error_log('Bratonien WebDAV picture derivative #'.$image_id.': '.$detail);
}
}
$preview_url = bratonien_tools_webdav_image_url((int)$src_image->id, true);
// Connector-Platzhalter oder daraus entstandene Derivate werden nie ausgeliefert.
// Wenn noch kein echtes lokales Derivat bereitsteht, geht der Request immer auf
// die echte WebDAV-Bildquelle bzw. deren vorbereitetes Preview.
$preview_url = bratonien_tools_webdav_image_url($image_id, true);
return $preview_url ?: $url;
}