Thomas/Piwigo_Bratonien_Tools
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Verify and report deletion of custom image derivatives

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Terranom674
2026-08-15 12:25:37 +02:00
parent 8dde0eeab2
commit 3cec6061bb
1 changed files with 46 additions and 6 deletions
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52
tools/image_cache.inc.php
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@@ -23,7 +23,8 @@ function bratonien_tools_clear_image_cache()
$deleted_files = 0;
$deleted_bytes = 0;
$failed_files = 0;
$deleted_custom = 0;
$failed_files = array();
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($real_cache_root, FilesystemIterator::SKIP_DOTS),
@@ -43,31 +44,70 @@ function bratonien_tools_clear_image_cache()
}
$path = $item->getPathname();
$filename = $item->getFilename();
$size = $item->isFile() ? $item->getSize() : 0;
$is_custom = strpos($filename, '-cu_') !== false;
if (@unlink($path))
{
$deleted_files++;
$deleted_bytes += $size;
if ($is_custom)
{
$deleted_custom++;
}
}
else
{
$failed_files++;
$failed_files[] = $path;
}
}
if ($failed_files > 0)
if (!empty($failed_files))
{
throw new RuntimeException(
sprintf('%d Dateien geloescht, %d Dateien konnten nicht geloescht werden.', $deleted_files, $failed_files)
sprintf(
'%d Dateien geloescht, %d Dateien konnten nicht geloescht werden. Erste problematische Datei: %s',
$deleted_files,
count($failed_files),
$failed_files[0]
)
);
}
// Sicherheitskontrolle: Nach dem Leeren darf kein Custom-Derivat mehr
// im Piwigo-Bildcache liegen. Damit werden insbesondere gdThumb-Dateien
// wie *-cu_s9999x250.jpg erfasst.
$remaining_custom = array();
$verify_iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($real_cache_root, FilesystemIterator::SKIP_DOTS)
);
foreach ($verify_iterator as $item)
{
if ($item->isFile() && strpos($item->getFilename(), '-cu_') !== false)
{
$remaining_custom[] = $item->getPathname();
if (count($remaining_custom) >= 5)
{
break;
}
}
}
if (!empty($remaining_custom))
{
throw new RuntimeException(
'Bildcache wurde nicht vollstaendig geleert. Verbleibendes Custom-Derivat: ' . $remaining_custom[0]
);
}
return array(
'message' => sprintf(
'Bildcache geleert: %d Dateien (%s) entfernt.',
'Bildcache geleert: %d Dateien (%s) entfernt, davon %d Custom-Derivate.',
$deleted_files,
bratonien_tools_format_bytes($deleted_bytes)
bratonien_tools_format_bytes($deleted_bytes),
$deleted_custom
),
);
}