mirror of
https://github.com/Terranom674/Piwigo_Bratonien_Tools.git
synced 2026-09-20 14:33:19 +00:00
Fix Piwigo AJAX loader response for WebDAV derivatives
This commit is contained in:
@@ -20,6 +20,20 @@ function bratonien_tools_webdav_derivative_abort($status, $message)
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exit;
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exit;
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}
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}
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function bratonien_tools_webdav_derivative_ajax_response($url)
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{
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http_response_code(200);
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header('Content-Type: application/json; charset=utf-8');
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header('Cache-Control: no-store, max-age=0');
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echo json_encode(array('url'=>(string)$url), JSON_UNESCAPED_SLASHES);
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exit;
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}
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function bratonien_tools_webdav_derivative_binary_url($image_id, $type)
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{
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return get_root_url().'plugins/'.BRATONIEN_TOOLS_ID.'/webdav-derivative.php?id='.(int)$image_id.'&type='.rawurlencode((string)$type);
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}
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function bratonien_tools_webdav_derivative_fallback($image_id)
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function bratonien_tools_webdav_derivative_fallback($image_id)
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{
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{
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$url = bratonien_tools_webdav_image_url((int)$image_id, false);
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$url = bratonien_tools_webdav_image_url((int)$image_id, false);
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@@ -28,6 +42,11 @@ function bratonien_tools_webdav_derivative_fallback($image_id)
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bratonien_tools_webdav_derivative_abort(404, 'WebDAV-Bildquelle ist nicht verfuegbar.');
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bratonien_tools_webdav_derivative_abort(404, 'WebDAV-Bildquelle ist nicht verfuegbar.');
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}
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}
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if (isset($_GET['ajaxload']) && (string)$_GET['ajaxload'] === 'true')
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{
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bratonien_tools_webdav_derivative_ajax_response($url);
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}
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header('Cache-Control: no-store');
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header('Cache-Control: no-store');
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header('Location: '.$url, true, 302);
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header('Location: '.$url, true, 302);
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exit;
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exit;
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@@ -74,17 +93,12 @@ if (!$info)
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$preview = bratonien_tools_webdav_preview_path($info);
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$preview = bratonien_tools_webdav_preview_path($info);
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if (!$preview || !is_file($preview) || !is_readable($preview))
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if (!$preview || !is_file($preview) || !is_readable($preview))
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{
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{
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// Altbestand kann noch keinen vorbereiteten Preview-Cache besitzen. Der
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// fokussierte Fotorama-Request darf dann nicht mit 404 enden, weil Fotorama
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// den fehlgeschlagenen Frame sonst nicht erneut laedt. Stattdessen wird nur
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// fuer dieses angeforderte Bild auf die echte WebDAV-Quelle ausgewichen.
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bratonien_tools_webdav_derivative_fallback($image_id);
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bratonien_tools_webdav_derivative_fallback($image_id);
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}
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}
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$derivative = new DerivativeImage($params, $src);
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$derivative = new DerivativeImage($params, $src);
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if ($derivative->same_as_source())
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if ($derivative->same_as_source())
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{
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{
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// Niemals die lokale Connector-Platzhalterquelle ausliefern.
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bratonien_tools_webdav_derivative_fallback($image_id);
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bratonien_tools_webdav_derivative_fallback($image_id);
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}
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}
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@@ -115,6 +129,17 @@ if (!bratonien_tools_webdav_derivative_matches_preview($target, $params, $image_
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bratonien_tools_webdav_derivative_fallback($image_id);
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bratonien_tools_webdav_derivative_fallback($image_id);
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}
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}
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// Piwigos thumbnails.loader.js fordert nicht gecachte Derivate mit
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// ?ajaxload=true an und erwartet JSON {"url":"..."}. Erst diese URL wird
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// danach als echtes Bild geladen. Binärdaten an dieser Stelle führen direkt
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// zum Piwigo-Fehlersymbol.
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if (isset($_GET['ajaxload']) && (string)$_GET['ajaxload'] === 'true')
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{
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bratonien_tools_webdav_derivative_ajax_response(
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bratonien_tools_webdav_derivative_binary_url($image_id, $type)
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);
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}
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$size = @filesize($target);
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$size = @filesize($target);
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$mtime = @filemtime($target) ?: time();
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$mtime = @filemtime($target) ?: time();
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$etag = sha1($target.'|'.$mtime.'|'.($size ?: 0));
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$etag = sha1($target.'|'.$mtime.'|'.($size ?: 0));
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