mirror of
https://github.com/Terranom674/Piwigo_Bratonien_Tools.git
synced 2026-09-19 22:14:33 +00:00
Avoid HTTP self-request for WebDAV derivative generation
This commit is contained in:
Terranom674
@@ -113,39 +113,156 @@ function bratonien_tools_webdav_derivative_download(array $source, $destination,
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return true;
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}
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function bratonien_tools_webdav_derivative_inner_url($derivative_path)
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function bratonien_tools_webdav_derivative_make_dir($dir)
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{
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$derivative_root = PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR;
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if (strpos($derivative_path, $derivative_root) !== 0) return null;
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$location = ltrim(substr($derivative_path, strlen($derivative_root)), '/');
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if ($location === '') return null;
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$segments = array_map('rawurlencode', explode('/', $location));
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return rtrim(get_absolute_root_url(), '/').'/i.php?/'.implode('/', $segments);
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global $conf;
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if (!is_dir($dir))
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{
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$mode = isset($conf['chmod_value']) ? (int)$conf['chmod_value'] : 0755;
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$umask = umask(0);
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$ok = @mkdir($dir, $mode, true);
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umask($umask);
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if (!$ok && !is_dir($dir)) return false;
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}
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if (!is_writable($dir)) return false;
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$index = rtrim($dir, '/').'/index.htm';
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if (!file_exists($index)) @file_put_contents($index, 'Not allowed!');
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return true;
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}
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function bratonien_tools_webdav_derivative_call_i($url, &$status, &$detail=null)
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function bratonien_tools_webdav_derivative_generate($source_path, $target_path, $params, array $image_row, &$detail=null)
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{
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global $conf;
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$detail = '';
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$status = 500;
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$ch = curl_init($url);
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curl_setopt_array($ch, array(
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CURLOPT_FOLLOWLOCATION => false,
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CURLOPT_CONNECTTIMEOUT => 10,
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CURLOPT_TIMEOUT => 180,
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CURLOPT_RETURNTRANSFER => false,
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CURLOPT_FAILONERROR => false,
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CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Materialize-Gate',
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CURLOPT_WRITEFUNCTION => function($ch, $data) { return strlen($data); },
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));
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$ok = curl_exec($ch);
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$errno = curl_errno($ch);
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$error = curl_error($ch);
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$status = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($ok === false || $errno !== 0) { $detail = 'Interner i.php-Aufruf fehlgeschlagen (cURL '.$errno.($error !== '' ? ': '.$error : '').').'; return false; }
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if ($status < 200 || $status >= 400) { $detail = 'i.php antwortete mit HTTP '.$status.'.'; return false; }
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include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php');
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if (!is_object($params)) { $detail = 'Piwigo-Derivatparameter fehlen.'; return false; }
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if (!is_file($source_path) || !is_readable($source_path)) { $detail = 'Materialisiertes Original ist nicht lesbar.'; return false; }
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if (!bratonien_tools_webdav_derivative_make_dir(dirname($target_path))) { $detail = 'Piwigo-Derivatverzeichnis konnte nicht angelegt werden.'; return false; }
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$rotation_angle = isset($image_row['rotation'])
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? pwg_image::get_rotation_angle_from_code($image_row['rotation'])
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: pwg_image::get_rotation_angle($source_path);
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$coi = $image_row['coi'] ?? null;
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if (($params->type ?? '') === IMG_CUSTOM)
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{
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$defined = ImageStdParams::get_defined_type_map();
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if (count($defined) > 0)
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{
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$sharpen = 0;
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foreach ($defined as $std_params) $sharpen += $std_params->sharpen;
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$params->sharpen = round($sharpen / count($defined));
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}
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}
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$image = null;
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$wm_image = null;
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try
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{
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$image = new pwg_image($source_path);
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$changes = 0;
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if (0 != $rotation_angle)
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{
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$image->rotate($rotation_angle);
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$changes++;
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}
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$o_size = $d_size = array($image->get_width(), $image->get_height());
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$crop_rect = null;
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$scaled_size = null;
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$params->sizing->compute($o_size, $coi, $crop_rect, $scaled_size);
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if ($crop_rect)
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{
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$image->crop($crop_rect->width(), $crop_rect->height(), $crop_rect->l, $crop_rect->t);
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$changes++;
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}
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if ($scaled_size)
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{
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$image->resize($scaled_size[0], $scaled_size[1]);
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$d_size = $scaled_size;
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$changes++;
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}
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if ($params->sharpen)
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{
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$changes += $image->sharpen($params->sharpen);
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}
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if ($params->will_watermark($d_size))
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{
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$wm = ImageStdParams::get_watermark();
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$wm_image = new pwg_image(PHPWG_ROOT_PATH.$wm->file);
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$wm_size = array($wm_image->get_width(), $wm_image->get_height());
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if ($d_size[0] < $wm_size[0] || $d_size[1] < $wm_size[1])
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{
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$wm_scaling_params = SizingParams::classic($d_size[0], $d_size[1]);
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$tmp = null;
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$wm_scaled_size = null;
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$wm_scaling_params->compute($wm_size, null, $tmp, $wm_scaled_size);
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$wm_size = $wm_scaled_size;
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$wm_image->resize($wm_scaled_size[0], $wm_scaled_size[1]);
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}
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$x = round(($wm->xpos / 100) * ($d_size[0] - $wm_size[0]));
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$y = round(($wm->ypos / 100) * ($d_size[1] - $wm_size[1]));
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if ($image->compose($wm_image, $x, $y, $wm->opacity))
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{
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$changes++;
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if ($wm->xrepeat || $wm->yrepeat)
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{
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$xpad = $wm_size[0] + max(30, round($wm_size[0] / 4));
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$ypad = $wm_size[1] + max(30, round($wm_size[1] / 4));
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for ($i = -$wm->xrepeat; $i <= $wm->xrepeat; $i++)
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{
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for ($j = -$wm->yrepeat; $j <= $wm->yrepeat; $j++)
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{
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if (!$i && !$j) continue;
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$x2 = $x + $i * $xpad;
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$y2 = $y + $j * $ypad;
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if ($x2 >= 0 && $x2 + $wm_size[0] < $d_size[0] && $y2 >= 0 && $y2 + $wm_size[1] < $d_size[1])
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{
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if (!$image->compose($wm_image, $x2, $y2, $wm->opacity)) break;
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}
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}
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}
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}
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}
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$wm_image->destroy();
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$wm_image = null;
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}
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if (!$changes)
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{
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$detail = 'Piwigo-Derivat benoetigt keine Bildaenderung.';
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return false;
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}
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if ($d_size[0] * $d_size[1] < ($conf['derivatives_strip_metadata_threshold'] ?? PHP_INT_MAX))
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{
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$image->strip();
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}
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$image->write($target_path);
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@chmod($target_path, 0644);
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clearstatcache(true, $target_path);
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if (!is_file($target_path) || !is_readable($target_path) || @getimagesize($target_path) === false)
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{
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$detail = 'Piwigo hat kein gueltiges finales Derivat erzeugt.';
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return false;
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}
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return true;
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}
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catch (Throwable $e)
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{
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$detail = 'Piwigo-Derivaterzeugung fehlgeschlagen: '.$e->getMessage();
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return false;
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}
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finally
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{
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if ($wm_image) $wm_image->destroy();
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if ($image) $image->destroy();
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}
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}
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function bratonien_tools_webdav_derivative_after_url($encoded)
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{
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@@ -344,14 +461,11 @@ try
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bratonien_tools_webdav_derivative_debug($request_id, 'swapped', array('is_link'=>is_link($shadow_path), 'realpath'=>realpath($shadow_path) ?: 'FALSE'));
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if (!is_file($shadow_path) || is_link($shadow_path) || @getimagesize($shadow_path) === false) bratonien_tools_webdav_derivative_abort(500, 'Piwigo-Quellpfad enthaelt nach Materialisierung kein gueltiges Original.');
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$inner_url = bratonien_tools_webdav_derivative_inner_url($target_path);
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if ($inner_url === null) bratonien_tools_webdav_derivative_abort(500, 'Piwigo-i.php-URL konnte nicht bestimmt werden.');
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$inner_status = 500;
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$i_start = microtime(true);
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bratonien_tools_webdav_derivative_debug($request_id, 'i_start', array('url'=>$inner_url));
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$i_ok = bratonien_tools_webdav_derivative_call_i($inner_url, $inner_status, $detail);
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bratonien_tools_webdav_derivative_debug($request_id, 'i_done', array('status'=>$inner_status, 'ok'=>$i_ok, 'ms'=>round((microtime(true)-$i_start)*1000, 1), 'detail'=>$detail));
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if (!$i_ok) bratonien_tools_webdav_derivative_abort(502, $detail);
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$generate_start = microtime(true);
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bratonien_tools_webdav_derivative_debug($request_id, 'generate_start', array('target'=>$target_path));
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$generate_ok = bratonien_tools_webdav_derivative_generate($shadow_path, $target_path, $params, $image_row, $detail);
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bratonien_tools_webdav_derivative_debug($request_id, 'generate_done', array('ok'=>$generate_ok, 'ms'=>round((microtime(true)-$generate_start)*1000, 1), 'detail'=>$detail));
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if (!$generate_ok) bratonien_tools_webdav_derivative_abort(500, $detail);
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clearstatcache(true, $target_path);
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$final_size = @getimagesize($target_path);
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