mirror of
https://github.com/Terranom674/Piwigo_Bratonien_Tools.git
synced 2026-09-19 12:54:31 +00:00
Render watermarked derivatives directly without HTTP self-requests
This commit is contained in:
Terranom674
432
watermark.php
432
watermark.php
@@ -30,87 +30,7 @@ function bratonien_tools_watermark_fail($code, $message)
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exit;
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}
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function bratonien_tools_derivative_physical_path($rel_url)
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{
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if (strpos($rel_url, "\0") !== false || strpos($rel_url, '..') !== false)
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{
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return null;
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}
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if (strpos($rel_url, PWG_DERIVATIVE_DIR) === 0)
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{
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return PHPWG_ROOT_PATH.$rel_url;
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}
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if (preg_match('#^i(?:\.php)?\?/(.+)$#', $rel_url, $m))
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{
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return PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$m[1];
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}
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if (preg_match('#^i(?:\.php)?/(.+)$#', $rel_url, $m))
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{
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return PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$m[1];
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}
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return null;
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}
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function bratonien_tools_fetch_derivative($rel_url, $physical_path)
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{
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if ($physical_path && is_file($physical_path) && is_readable($physical_path))
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{
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return array('path'=>$physical_path, 'temporary'=>false);
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}
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$url = get_absolute_root_url().ltrim($rel_url, '/');
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$data = false;
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if (function_exists('curl_init'))
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{
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$ch = curl_init($url);
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curl_setopt_array($ch, array(
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_MAXREDIRS => 3,
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CURLOPT_CONNECTTIMEOUT => 5,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_FAILONERROR => true,
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CURLOPT_USERAGENT => 'BratonienTools/0.3.0',
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));
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$data = curl_exec($ch);
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curl_close($ch);
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}
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elseif (ini_get('allow_url_fopen'))
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{
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$context = stream_context_create(array('http'=>array('timeout'=>30, 'follow_location'=>1)));
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$data = @file_get_contents($url, false, $context);
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}
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if ($data === false || $data === '')
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{
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return null;
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}
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if ($physical_path && is_file($physical_path) && is_readable($physical_path))
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{
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return array('path'=>$physical_path, 'temporary'=>false);
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}
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$ext = 'jpg';
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if (preg_match('/\.(jpe?g|png|gif|webp)(?:$|\?)/i', $rel_url, $m))
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{
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$ext = strtolower($m[1]);
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}
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$tmp = tempnam(sys_get_temp_dir(), 'btwm_');
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$tmp_with_ext = $tmp.'.'.$ext;
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@rename($tmp, $tmp_with_ext);
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file_put_contents($tmp_with_ext, $data);
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return array('path'=>$tmp_with_ext, 'temporary'=>true);
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}
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function bratonien_tools_output_image($path, $delete_after=false)
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function bratonien_tools_output_image($path)
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{
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$ext = strtolower(pathinfo($path, PATHINFO_EXTENSION));
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$types = array(
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@@ -118,18 +38,185 @@ function bratonien_tools_output_image($path, $delete_after=false)
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'gif'=>'image/gif', 'webp'=>'image/webp',
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);
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$mtime = @filemtime($path) ?: time();
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$etag = '"'.sha1($path.'|'.$mtime.'|'.filesize($path)).'"';
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if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) === $etag)
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{
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header('ETag: '.$etag, true, 304);
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header('Cache-Control: public, max-age=31536000, immutable');
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exit;
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}
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header('Content-Type: '.($types[$ext] ?? 'application/octet-stream'));
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header('Content-Length: '.filesize($path));
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header('Cache-Control: public, max-age=604800');
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', $mtime).' GMT');
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header('ETag: '.$etag);
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header('Cache-Control: public, max-age=31536000, immutable');
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readfile($path);
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if ($delete_after)
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{
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@unlink($path);
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}
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exit;
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}
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function bratonien_tools_url_to_size($value)
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{
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$parts = explode('x', (string)$value, 2);
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if (count($parts) === 1)
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{
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$size = max(1, (int)$parts[0]);
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return array($size, $size);
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}
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return array(max(1, (int)$parts[0]), max(1, (int)$parts[1]));
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}
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function bratonien_tools_custom_params(array $tokens)
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{
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if (empty($tokens))
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{
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return null;
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}
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$token = array_shift($tokens);
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$crop = 0;
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$min_size = null;
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if (isset($token[0]) && $token[0] === 's')
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{
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$size = bratonien_tools_url_to_size(substr($token, 1));
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}
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elseif (isset($token[0]) && $token[0] === 'e')
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{
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$crop = 1;
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$size = $min_size = bratonien_tools_url_to_size(substr($token, 1));
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}
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else
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{
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if (count($tokens) < 2)
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{
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return null;
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}
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$size = bratonien_tools_url_to_size($token);
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$crop_token = array_shift($tokens);
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$min_size = bratonien_tools_url_to_size(array_shift($tokens));
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$crop = function_exists('char_to_fraction') ? char_to_fraction($crop_token) : 0;
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}
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return new DerivativeParams(new SizingParams($size, $crop, $min_size));
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}
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function bratonien_tools_parse_derivative($rel_url)
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{
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$location = null;
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if (strpos($rel_url, PWG_DERIVATIVE_DIR) === 0)
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{
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$location = substr($rel_url, strlen(PWG_DERIVATIVE_DIR));
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}
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elseif (preg_match('#^i(?:\.php)?\?/(.+)$#', $rel_url, $match))
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{
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$location = $match[1];
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}
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elseif (preg_match('#^i(?:\.php)?/(.+)$#', $rel_url, $match))
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{
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$location = $match[1];
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}
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if ($location === null)
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{
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return null;
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}
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$location = ltrim(rawurldecode($location), '/');
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if ($location === '' || strpos($location, "\0") !== false || strpos($location, '..') !== false)
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{
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return null;
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}
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$dot = strrpos($location, '.');
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if ($dot === false)
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{
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return null;
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}
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$ext = strtolower(substr($location, $dot + 1));
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if (!in_array($ext, array('jpg','jpeg','png','gif','webp'), true))
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{
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return null;
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}
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$without_ext = substr($location, 0, $dot);
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$dash = strrpos($without_ext, '-');
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if ($dash === false)
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{
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return null;
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}
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$source_rel = substr($without_ext, 0, $dash).'.'.$ext;
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$derivative = substr($without_ext, $dash + 1);
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$tokens = explode('_', $derivative);
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$type_token = array_shift($tokens);
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$params = null;
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foreach (ImageStdParams::get_defined_type_map() as $type => $candidate)
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{
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if (function_exists('derivative_to_url') && derivative_to_url($type) === $type_token)
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{
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$params = $candidate;
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break;
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}
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}
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if ($params === null && defined('IMG_CUSTOM') && function_exists('derivative_to_url') && derivative_to_url(IMG_CUSTOM) === $type_token)
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{
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$params = bratonien_tools_custom_params($tokens);
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}
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if (!$params)
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{
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return null;
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}
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$source_path = PHPWG_ROOT_PATH.$source_rel;
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if (!is_file($source_path) || !is_readable($source_path))
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{
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return null;
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}
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return array(
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'source_rel' => $source_rel,
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'source_path' => $source_path,
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'extension' => $ext,
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'params' => $params,
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);
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}
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function bratonien_tools_source_metadata($source_rel, $source_path)
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{
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$rotation = 0;
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$coi = null;
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$candidates = array($source_rel, './'.$source_rel);
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$escaped = array();
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foreach ($candidates as $candidate)
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{
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$escaped[] = "'".pwg_db_real_escape_string($candidate)."'";
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}
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$query = 'SELECT rotation, coi FROM '.IMAGES_TABLE.' WHERE path IN ('.implode(',', $escaped).') LIMIT 1';
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$row = pwg_db_fetch_assoc(pwg_query($query));
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if ($row)
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{
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if (isset($row['rotation']))
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{
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$rotation = pwg_image::get_rotation_angle_from_code($row['rotation']);
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}
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else
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{
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$rotation = pwg_image::get_rotation_angle($source_path);
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}
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$coi = $row['coi'] ?? null;
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}
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return array('rotation'=>$rotation, 'coi'=>$coi);
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}
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if (!bratonien_tools_watermark_engine_enabled())
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{
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bratonien_tools_watermark_fail(404, 'Watermark engine disabled');
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@@ -146,7 +233,7 @@ if ($profile_id <= 0 || $profile_version === '' || $rel_url === false || $rel_ur
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bratonien_tools_watermark_fail(400, 'Invalid request');
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}
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$profile = bratonien_tools_get_watermark_profile($profile_id);
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$profile = bratonien_tools_runtime_get_profile($profile_id);
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if (!$profile || empty($profile['active']))
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{
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bratonien_tools_watermark_fail(404, 'Watermark profile unavailable');
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@@ -170,113 +257,148 @@ if (!$watermark_path)
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bratonien_tools_watermark_fail(404, 'Watermark file unavailable');
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}
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$physical_path = bratonien_tools_derivative_physical_path($rel_url);
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$source = bratonien_tools_fetch_derivative($rel_url, $physical_path);
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if (!$source)
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$derivative = bratonien_tools_parse_derivative($rel_url);
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if (!$derivative)
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{
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bratonien_tools_watermark_fail(502, 'Derivative could not be generated');
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}
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$ext = strtolower(pathinfo($source['path'], PATHINFO_EXTENSION));
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if (!in_array($ext, array('jpg','jpeg','png','gif','webp'), true))
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{
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$ext = 'jpg';
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bratonien_tools_watermark_fail(404, 'Derivative description unavailable');
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}
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$params = $derivative['params'];
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$source_path = $derivative['source_path'];
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$source_mtime = @filemtime($source_path) ?: 0;
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$scale_percent = isset($profile['scale_percent']) ? max(1.0, min(1000.0, (float)$profile['scale_percent'])) : 100.0;
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$cache_dir = PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.'bratonien-watermark/'.$profile_id;
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if (!is_dir($cache_dir) && !mkdir($cache_dir, 0755, true) && !is_dir($cache_dir))
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{
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if ($source['temporary']) @unlink($source['path']);
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bratonien_tools_watermark_fail(500, 'Cache directory unavailable');
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}
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$min_size = is_array($params->sizing->min_size) ? implode('x', $params->sizing->min_size) : '';
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$cache_fingerprint = array(
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$rel_url,
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$profile_version,
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$source_mtime,
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$params->last_mod_time,
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$params->sharpen,
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implode('x', $params->sizing->ideal_size),
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$params->sizing->max_crop,
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$min_size,
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$profile['watermark_file'], $scale_percent, $profile['xpos'], $profile['ypos'],
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$profile['xrepeat'], $profile['yrepeat'], $profile['opacity'],
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$profile['min_width'], $profile['min_height'], $profile['active'],
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@filemtime($watermark_path),
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);
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$cache_path = $cache_dir.'/'.sha1(implode('|', $cache_fingerprint)).'.'.$ext;
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$cache_path = $cache_dir.'/'.sha1(implode('|', $cache_fingerprint)).'.'.$derivative['extension'];
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if (is_file($cache_path))
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if (is_file($cache_path) && is_readable($cache_path))
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{
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if ($source['temporary']) @unlink($source['path']);
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bratonien_tools_output_image($cache_path);
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}
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$image = new pwg_image($source['path']);
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$lock_path = $cache_path.'.lock';
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$lock = @fopen($lock_path, 'c');
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if (!$lock || !flock($lock, LOCK_EX))
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{
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if (is_resource($lock)) fclose($lock);
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bratonien_tools_watermark_fail(500, 'Watermark cache lock unavailable');
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}
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|
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if (is_file($cache_path) && is_readable($cache_path))
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{
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flock($lock, LOCK_UN);
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fclose($lock);
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@unlink($lock_path);
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bratonien_tools_output_image($cache_path);
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}
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$metadata = bratonien_tools_source_metadata($derivative['source_rel'], $source_path);
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$image = new pwg_image($source_path);
|
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|
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if (!empty($metadata['rotation']))
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{
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$image->rotate($metadata['rotation']);
|
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}
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|
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$original_size = array($image->get_width(), $image->get_height());
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$params->sizing->compute($original_size, $metadata['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, $crop_rect->t);
|
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}
|
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if ($scaled_size)
|
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{
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$image->resize($scaled_size[0], $scaled_size[1]);
|
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}
|
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if ($params->sharpen)
|
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{
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$image->sharpen($params->sharpen);
|
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}
|
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|
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$width = $image->get_width();
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$height = $image->get_height();
|
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|
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if ($width < (int)$profile['min_width'] || $height < (int)$profile['min_height'])
|
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if ($width >= (int)$profile['min_width'] && $height >= (int)$profile['min_height'])
|
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{
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$image->destroy();
|
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bratonien_tools_output_image($source['path'], $source['temporary']);
|
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}
|
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$wm = new pwg_image($watermark_path);
|
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$original_wm_width = $wm->get_width();
|
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$original_wm_height = $wm->get_height();
|
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$wm_width = max(1, (int)round($original_wm_width * $scale_percent / 100));
|
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$wm_height = max(1, (int)round($original_wm_height * $scale_percent / 100));
|
||||
|
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$wm = new pwg_image($watermark_path);
|
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$original_wm_width = $wm->get_width();
|
||||
$original_wm_height = $wm->get_height();
|
||||
$wm_width = max(1, (int)round($original_wm_width * $scale_percent / 100));
|
||||
$wm_height = max(1, (int)round($original_wm_height * $scale_percent / 100));
|
||||
|
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if ($wm_width !== $original_wm_width || $wm_height !== $original_wm_height)
|
||||
{
|
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$wm->resize($wm_width, $wm_height);
|
||||
}
|
||||
|
||||
if ($width < $wm_width || $height < $wm_height)
|
||||
{
|
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$fit = min($width / $wm_width, $height / $wm_height);
|
||||
$wm_width = max(1, (int)floor($wm_width * $fit));
|
||||
$wm_height = max(1, (int)floor($wm_height * $fit));
|
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$wm->resize($wm_width, $wm_height);
|
||||
}
|
||||
|
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$x = (int)round(((int)$profile['xpos'] / 100) * ($width - $wm_width));
|
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$y = (int)round(((int)$profile['ypos'] / 100) * ($height - $wm_height));
|
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$opacity = (int)$profile['opacity'];
|
||||
|
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$image->compose($wm, $x, $y, $opacity);
|
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|
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$xrepeat = max(0, (int)$profile['xrepeat']);
|
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$yrepeat = max(0, (int)$profile['yrepeat']);
|
||||
if ($xrepeat || $yrepeat)
|
||||
{
|
||||
$xpad = $wm_width + max(30, (int)round($wm_width / 4));
|
||||
$ypad = $wm_height + max(30, (int)round($wm_height / 4));
|
||||
|
||||
for ($i=-$xrepeat; $i<=$xrepeat; $i++)
|
||||
if ($wm_width !== $original_wm_width || $wm_height !== $original_wm_height)
|
||||
{
|
||||
for ($j=-$yrepeat; $j<=$yrepeat; $j++)
|
||||
{
|
||||
if ($i === 0 && $j === 0)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
$wm->resize($wm_width, $wm_height);
|
||||
}
|
||||
|
||||
$x2 = $x + $i * $xpad;
|
||||
$y2 = $y + $j * $ypad;
|
||||
if ($x2 >= 0 && $x2 + $wm_width <= $width && $y2 >= 0 && $y2 + $wm_height <= $height)
|
||||
if ($width < $wm_width || $height < $wm_height)
|
||||
{
|
||||
$fit = min($width / $wm_width, $height / $wm_height);
|
||||
$wm_width = max(1, (int)floor($wm_width * $fit));
|
||||
$wm_height = max(1, (int)floor($wm_height * $fit));
|
||||
$wm->resize($wm_width, $wm_height);
|
||||
}
|
||||
|
||||
$x = (int)round(((int)$profile['xpos'] / 100) * ($width - $wm_width));
|
||||
$y = (int)round(((int)$profile['ypos'] / 100) * ($height - $wm_height));
|
||||
$opacity = (int)$profile['opacity'];
|
||||
$image->compose($wm, $x, $y, $opacity);
|
||||
|
||||
$xrepeat = max(0, (int)$profile['xrepeat']);
|
||||
$yrepeat = max(0, (int)$profile['yrepeat']);
|
||||
if ($xrepeat || $yrepeat)
|
||||
{
|
||||
$xpad = $wm_width + max(30, (int)round($wm_width / 4));
|
||||
$ypad = $wm_height + max(30, (int)round($wm_height / 4));
|
||||
|
||||
for ($i=-$xrepeat; $i<=$xrepeat; $i++)
|
||||
{
|
||||
for ($j=-$yrepeat; $j<=$yrepeat; $j++)
|
||||
{
|
||||
$image->compose($wm, $x2, $y2, $opacity);
|
||||
if ($i === 0 && $j === 0)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
$x2 = $x + $i * $xpad;
|
||||
$y2 = $y + $j * $ypad;
|
||||
if ($x2 >= 0 && $x2 + $wm_width <= $width && $y2 >= 0 && $y2 + $wm_height <= $height)
|
||||
{
|
||||
$image->compose($wm, $x2, $y2, $opacity);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$wm->destroy();
|
||||
}
|
||||
|
||||
$wm->destroy();
|
||||
$image->write($cache_path);
|
||||
$image->destroy();
|
||||
@chmod($cache_path, 0644);
|
||||
|
||||
if ($source['temporary'])
|
||||
{
|
||||
@unlink($source['path']);
|
||||
}
|
||||
flock($lock, LOCK_UN);
|
||||
fclose($lock);
|
||||
@unlink($lock_path);
|
||||
|
||||
bratonien_tools_output_image($cache_path);
|
||||
|
||||
Reference in New Issue
Block a user