Thomas/Piwigo_Bratonien_Tools
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Serve precached WebDAV previews

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Terranom674
2026-08-18 22:48:03 +02:00
parent 0355f4a555
commit 047045ad23
1 changed files with 24 additions and 1 deletions
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25
webdav-image.php
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@@ -51,6 +51,29 @@ if (!pwg_db_num_rows($access_result)) bratonien_tools_webdav_image_abort(403, 'K
$source = bratonien_tools_webdav_image_source_info($image_id); $source = bratonien_tools_webdav_image_source_info($image_id);
if (!$source) bratonien_tools_webdav_image_abort(404, 'Keine WebDAV-Quelle für dieses Bild gefunden.'); if (!$source) bratonien_tools_webdav_image_abort(404, 'Keine WebDAV-Quelle für dieses Bild gefunden.');
if (!empty($_GET['preview']))
{
$preview = bratonien_tools_webdav_preview_path($source);
if ($preview)
{
$mtime = @filemtime($preview) ?: time();
$etag = sha1($preview.'|'.$mtime.'|'.(@filesize($preview) ?: 0));
header('Content-Type: image/webp');
header('Content-Length: '.(string)filesize($preview));
header('ETag: "'.$etag.'"');
header('Cache-Control: private, max-age=86400, must-revalidate');
header('X-Content-Type-Options: nosniff');
$client_etag = trim((string)($_SERVER['HTTP_IF_NONE_MATCH'] ?? ''), " \t\r\n\"");
if ($client_etag !== '' && hash_equals($etag, $client_etag))
{
http_response_code(304);
exit;
}
if ($_SERVER['REQUEST_METHOD'] !== 'HEAD') readfile($preview);
exit;
}
}
$table = $GLOBALS['prefixeTable'].'bratonien_tools_nc_connections'; $table = $GLOBALS['prefixeTable'].'bratonien_tools_nc_connections';
$result = pwg_query('SELECT config_json, secret_blob FROM `'.$table.'` WHERE id='.(int)$source['connection_id'].' LIMIT 1'); $result = pwg_query('SELECT config_json, secret_blob FROM `'.$table.'` WHERE id='.(int)$source['connection_id'].' LIMIT 1');
if (!pwg_db_num_rows($result)) bratonien_tools_webdav_image_abort(404, 'WebDAV-Verbindung nicht gefunden.'); if (!pwg_db_num_rows($result)) bratonien_tools_webdav_image_abort(404, 'WebDAV-Verbindung nicht gefunden.');
@@ -97,7 +120,7 @@ $options = array(
CURLOPT_USERPWD => $user.':'.$password, CURLOPT_USERPWD => $user.':'.$password,
CURLOPT_RETURNTRANSFER => false, CURLOPT_RETURNTRANSFER => false,
CURLOPT_FAILONERROR => false, CURLOPT_FAILONERROR => false,
CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Image/0.9.5.17', CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Image/0.9.5.19',
CURLOPT_HEADERFUNCTION => function($ch, $line) CURLOPT_HEADERFUNCTION => function($ch, $line)
{ {
$length = strlen($line); $length = strlen($line);