mirror of
https://github.com/YunoHost-Apps/piwigo_ynh.git
synced 2024-09-03 20:06:03 +02:00
635 lines
No EOL
18 KiB
PHP
635 lines
No EOL
18 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2016 Piwigo Team http://piwigo.org |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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define('PHPWG_ROOT_PATH','./');
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// fast bootstrap - no db connection
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include(PHPWG_ROOT_PATH . 'include/config_default.inc.php');
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@include(PHPWG_ROOT_PATH. 'local/config/config.inc.php');
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defined('PWG_LOCAL_DIR') or define('PWG_LOCAL_DIR', 'local/');
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defined('PWG_DERIVATIVE_DIR') or define('PWG_DERIVATIVE_DIR', $conf['data_location'].'i/');
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@include(PHPWG_ROOT_PATH.PWG_LOCAL_DIR .'config/database.inc.php');
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include(PHPWG_ROOT_PATH . 'include/Logger.class.php');
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$logger = new Logger(array(
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'directory' => PHPWG_ROOT_PATH . $conf['data_location'] . $conf['log_dir'],
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'severity' => $conf['log_level'],
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// we use an hashed filename to prevent direct file access, and we salt with
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// the db_password instead of secret_key because the log must be usable in i.php
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// (secret_key is in the database)
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'filename' => 'log_' . date('Y-m-d') . '_' . sha1(date('Y-m-d') . $conf['db_password']) . '.txt',
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));
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function trigger_notify() {}
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function get_extension( $filename )
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{
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return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) );
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}
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function mkgetdir($dir)
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{
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if ( !is_dir($dir) )
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{
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global $conf;
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if (substr(PHP_OS, 0, 3) == 'WIN')
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{
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$dir = str_replace('/', DIRECTORY_SEPARATOR, $dir);
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}
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$umask = umask(0);
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$mkd = @mkdir($dir, $conf['chmod_value'], true);
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umask($umask);
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if ($mkd==false && !is_dir($dir) /* retest existence because of potential concurrent i.php with slow file systems*/)
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{
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return false;
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}
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$file = $dir.'/index.htm';
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file_exists($file) or @file_put_contents( $file, 'Not allowed!' );
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}
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if ( !is_writable($dir) )
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{
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return false;
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}
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return true;
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}
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// end fast bootstrap
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function ierror($msg, $code)
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{
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global $logger;
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if ($code==301 || $code==302)
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{
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if (ob_get_length () !== FALSE)
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{
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ob_clean();
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}
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// default url is on html format
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$url = html_entity_decode($msg);
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$logger->debug($code . ' ' . $url, 'i.php', array(
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'url' => $_SERVER['REQUEST_URI'],
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));
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header('Request-URI: '.$url);
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header('Content-Location: '.$url);
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header('Location: '.$url);
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exit;
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}
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if ($code>=400)
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{
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$protocol = $_SERVER["SERVER_PROTOCOL"];
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if ( ('HTTP/1.1' != $protocol) && ('HTTP/1.0' != $protocol) )
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$protocol = 'HTTP/1.0';
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header( "$protocol $code $msg", true, $code );
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}
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//todo improve
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echo $msg;
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$logger->error($code . ' ' . $msg, 'i.php', array(
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'url' => $_SERVER['REQUEST_URI'],
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));
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exit;
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}
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function time_step( &$step )
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{
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$tmp = $step;
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$step = microtime(true);
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return intval(1000*($step - $tmp));
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}
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function url_to_size($s)
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{
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$pos = strpos($s, 'x');
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if ($pos===false)
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{
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return array((int)$s, (int)$s);
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}
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return array((int)substr($s,0,$pos), (int)substr($s,$pos+1));
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}
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function parse_custom_params($tokens)
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{
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if (count($tokens)<1)
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ierror('Empty array while parsing Sizing', 400);
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$crop = 0;
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$min_size = null;
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$token = array_shift($tokens);
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if ($token[0]=='s')
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{
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$size = url_to_size( substr($token,1) );
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}
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elseif ($token[0]=='e')
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{
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$crop = 1;
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$size = $min_size = url_to_size( substr($token,1) );
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}
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else
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{
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$size = url_to_size( $token );
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if (count($tokens)<2)
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ierror('Sizing arr', 400);
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$token = array_shift($tokens);
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$crop = char_to_fraction($token);
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$token = array_shift($tokens);
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$min_size = url_to_size( $token );
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}
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return new DerivativeParams( new SizingParams($size, $crop, $min_size) );
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}
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function parse_request()
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{
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global $conf, $page;
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if ( $conf['question_mark_in_urls']==false and
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isset($_SERVER["PATH_INFO"]) and !empty($_SERVER["PATH_INFO"]) )
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{
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$req = $_SERVER["PATH_INFO"];
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$req = str_replace('//', '/', $req);
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$path_count = count( explode('/', $req) );
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$page['root_path'] = PHPWG_ROOT_PATH.str_repeat('../', $path_count-1);
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}
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else
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{
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$req = $_SERVER["QUERY_STRING"];
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if ($pos=strpos($req, '&'))
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{
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$req = substr($req, 0, $pos);
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}
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$req = rawurldecode($req);
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/*foreach (array_keys($_GET) as $keynum => $key)
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{
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$req = $key;
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break;
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}*/
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$page['root_path'] = PHPWG_ROOT_PATH;
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}
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$req = ltrim($req, '/');
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foreach (preg_split('#/+#', $req) as $token)
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{
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preg_match($conf['sync_chars_regex'], $token) or ierror('Invalid chars in request', 400);
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}
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$page['derivative_path'] = PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$req;
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$pos = strrpos($req, '.');
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$pos!== false || ierror('Missing .', 400);
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$ext = substr($req, $pos);
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$page['derivative_ext'] = $ext;
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$req = substr($req, 0, $pos);
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$pos = strrpos($req, '-');
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$pos!== false || ierror('Missing -', 400);
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$deriv = substr($req, $pos+1);
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$req = substr($req, 0, $pos);
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$deriv = explode('_', $deriv);
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foreach (ImageStdParams::get_defined_type_map() as $type => $params)
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{
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if ( derivative_to_url($type) == $deriv[0])
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{
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$page['derivative_type'] = $type;
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$page['derivative_params'] = $params;
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break;
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}
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}
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if (!isset($page['derivative_type']))
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{
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if (derivative_to_url(IMG_CUSTOM) == $deriv[0])
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{
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$page['derivative_type'] = IMG_CUSTOM;
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}
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else
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{
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ierror('Unknown parsing type', 400);
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}
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}
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array_shift($deriv);
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if ($page['derivative_type'] == IMG_CUSTOM)
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{
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$params = $page['derivative_params'] = parse_custom_params($deriv);
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ImageStdParams::apply_global($params);
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if ($params->sizing->ideal_size[0] < 20 or $params->sizing->ideal_size[1] < 20)
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{
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ierror('Invalid size', 400);
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}
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if ($params->sizing->max_crop < 0 or $params->sizing->max_crop > 1)
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{
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ierror('Invalid crop', 400);
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}
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$greatest = ImageStdParams::get_by_type(IMG_XXLARGE);
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$key = array();
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$params->add_url_tokens($key);
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$key = implode('_', $key);
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if (!isset(ImageStdParams::$custom[$key]))
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{
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ierror('Size not allowed', 403);
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}
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}
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if (is_file(PHPWG_ROOT_PATH.$req.$ext))
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{
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$req = './'.$req; // will be used to match #iamges.path
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}
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elseif (is_file(PHPWG_ROOT_PATH.'../'.$req.$ext))
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{
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$req = '../'.$req;
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}
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$page['src_location'] = $req.$ext;
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$page['src_path'] = PHPWG_ROOT_PATH.$page['src_location'];
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$page['src_url'] = $page['root_path'].$page['src_location'];
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}
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function try_switch_source(DerivativeParams $params, $original_mtime)
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{
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global $page;
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if (!isset($page['original_size']))
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return false;
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$original_size = $page['original_size'];
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if ($page['rotation_angle']==90 || $page['rotation_angle']==270)
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{
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$tmp = $original_size[0];
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$original_size[0] = $original_size[1];
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$original_size[1] = $tmp;
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}
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$dsize = $params->compute_final_size($original_size);
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$use_watermark = $params->use_watermark;
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if ($use_watermark)
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{
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$use_watermark = $params->will_watermark($dsize);
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}
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$candidates = array();
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foreach(ImageStdParams::get_defined_type_map() as $candidate)
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{
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if ($candidate->type == $params->type)
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continue;
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if ($candidate->use_watermark != $use_watermark)
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continue;
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if ($candidate->max_width() < $params->max_width() || $candidate->max_height() < $params->max_height())
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continue;
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$candidate_size = $candidate->compute_final_size($original_size);
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if ($dsize != $params->compute_final_size($candidate_size))
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continue;
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if ($params->sizing->max_crop==0)
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{
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if ($candidate->sizing->max_crop!=0)
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continue;
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}
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else
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{
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if ($use_watermark && $candidate->use_watermark)
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continue; //a square that requires watermark should not be generated from a larger derivative with watermark, because if the watermark is not centered on the large image, it will be cropped.
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if ($candidate->sizing->max_crop!=0)
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continue; // this could be optimized
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if ($candidate_size[0] < $params->sizing->min_size[0] || $candidate_size[1] < $params->sizing->min_size[1] )
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continue;
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}
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$candidates[] = $candidate;
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}
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foreach( array_reverse($candidates) as $candidate)
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{
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$candidate_path = $page['derivative_path'];
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$candidate_path = str_replace( '-'.derivative_to_url($params->type), '-'.derivative_to_url($candidate->type), $candidate_path);
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$candidate_mtime = @filemtime($candidate_path);
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if ($candidate_mtime === false
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|| $candidate_mtime < $original_mtime
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|| $candidate_mtime < $candidate->last_mod_time)
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continue;
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$params->use_watermark = false;
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$params->sharpen = min(1, $params->sharpen);
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$page['src_path'] = $candidate_path;
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$page['src_url'] = $page['root_path'] . substr($candidate_path, strlen(PHPWG_ROOT_PATH));
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$page['rotation_angle'] = 0;
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return true;
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}
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return false;
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}
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function send_derivative($expires)
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{
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global $page;
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if (isset($_GET['ajaxload']) and $_GET['ajaxload'] == 'true')
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{
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include_once(PHPWG_ROOT_PATH.'include/functions_cookie.inc.php');
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include_once(PHPWG_ROOT_PATH.'include/functions_url.inc.php');
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echo json_encode( array( 'url'=>embellish_url(get_absolute_root_url().$page['derivative_path']) ) );
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return;
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}
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$fp = fopen($page['derivative_path'], 'rb');
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$fstat = fstat($fp);
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', $fstat['mtime']).' GMT');
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if ($expires!==false)
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{
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header('Expires: '.gmdate('D, d M Y H:i:s', $expires).' GMT');
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}
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header('Content-length: '.$fstat['size']);
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header('Connection: close');
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$ctype="application/octet-stream";
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switch (strtolower($page['derivative_ext']))
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{
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case ".jpe": case ".jpeg": case ".jpg": $ctype="image/jpeg"; break;
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case ".png": $ctype="image/png"; break;
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case ".gif": $ctype="image/gif"; break;
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}
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header("Content-Type: $ctype");
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fpassthru($fp);
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fclose($fp);
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}
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$page=array();
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$begin = $step = microtime(true);
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$timing=array();
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foreach( explode(',','load,rotate,crop,scale,sharpen,watermark,save,send') as $k )
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{
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$timing[$k] = '';
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}
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include_once(PHPWG_ROOT_PATH .'include/dblayer/functions_'.$conf['dblayer'].'.inc.php');
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include_once( PHPWG_ROOT_PATH .'/include/derivative_params.inc.php');
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include_once( PHPWG_ROOT_PATH .'/include/derivative_std_params.inc.php');
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try
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{
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pwg_db_connect($conf['db_host'], $conf['db_user'],
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$conf['db_password'], $conf['db_base']);
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}
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catch (Exception $e)
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{
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$logger->error($e->getMessage(), 'i.php');
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}
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pwg_db_check_charset();
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list($conf['derivatives']) = pwg_db_fetch_row(pwg_query('SELECT value FROM '.$prefixeTable.'config WHERE param=\'derivatives\''));
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ImageStdParams::load_from_db();
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parse_request();
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//var_export($page);
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$params = $page['derivative_params'];
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$src_mtime = @filemtime($page['src_path']);
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if ($src_mtime === false)
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{
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ierror('Source not found', 404);
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}
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$need_generate = false;
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$derivative_mtime = @filemtime($page['derivative_path']);
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if ($derivative_mtime === false or
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$derivative_mtime < $src_mtime or
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$derivative_mtime < $params->last_mod_time)
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{
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$need_generate = true;
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}
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$expires=false;
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$now = time();
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if ( isset($_GET['b']) )
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{
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$expires = $now + 100;
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header("Cache-control: no-store, max-age=100");
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}
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elseif ( $now > (max($src_mtime, $params->last_mod_time) + 24*3600) )
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{// somehow arbitrary - if derivative params or src didn't change for the last 24 hours, we send an expire header for several days
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$expires = $now + 10*24*3600;
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}
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if (!$need_generate)
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{
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if ( isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] )
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and strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $derivative_mtime)
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{// send the last mod time of the file back
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', $derivative_mtime).' GMT', true, 304);
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header('Expires: '.gmdate('D, d M Y H:i:s', time()+10*24*3600).' GMT', true, 304);
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exit;
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}
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send_derivative($expires);
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exit;
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}
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include_once(PHPWG_ROOT_PATH . 'admin/include/image.class.php');
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$page['coi'] = null;
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if (strpos($page['src_location'], '/pwg_representative/')===false
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&& strpos($page['src_location'], 'themes/')===false
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&& strpos($page['src_location'], 'plugins/')===false)
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{
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try
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{
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$query = '
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SELECT *
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FROM '.$prefixeTable.'images
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WHERE path=\''.addslashes($page['src_location']).'\'
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;';
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if ( ($row=pwg_db_fetch_assoc(pwg_query($query))) )
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{
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if (isset($row['width']))
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{
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$page['original_size'] = array($row['width'],$row['height']);
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}
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$page['coi'] = $row['coi'];
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if (!isset($row['rotation']))
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{
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$page['rotation_angle'] = pwg_image::get_rotation_angle($page['src_path']);
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single_update(
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$prefixeTable.'images',
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array('rotation' => pwg_image::get_rotation_code_from_angle($page['rotation_angle'])),
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array('id' => $row['id'])
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);
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}
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else
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{
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$page['rotation_angle'] = pwg_image::get_rotation_angle_from_code($row['rotation']);
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}
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}
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if (!$row)
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{
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ierror('Db file path not found', 404);
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}
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}
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catch (Exception $e)
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{
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$logger->error($e->getMessage(), 'i.php');
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}
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}
|
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else
|
|
{
|
|
$page['rotation_angle'] = 0;
|
|
}
|
|
pwg_db_close();
|
|
|
|
if (!try_switch_source($params, $src_mtime) && $params->type==IMG_CUSTOM)
|
|
{
|
|
$sharpen = 0;
|
|
foreach (ImageStdParams::get_defined_type_map() as $std_params)
|
|
{
|
|
$sharpen += $std_params->sharpen;
|
|
}
|
|
$params->sharpen = round($sharpen / count(ImageStdParams::get_defined_type_map()) );
|
|
}
|
|
|
|
if (!mkgetdir(dirname($page['derivative_path'])))
|
|
{
|
|
ierror("dir create error", 500);
|
|
}
|
|
|
|
ignore_user_abort(true);
|
|
@set_time_limit(0);
|
|
|
|
$image = new pwg_image($page['src_path']);
|
|
$timing['load'] = time_step($step);
|
|
|
|
$changes = 0;
|
|
|
|
// rotate
|
|
if (0 != $page['rotation_angle'])
|
|
{
|
|
$image->rotate($page['rotation_angle']);
|
|
$changes++;
|
|
$timing['rotate'] = time_step($step);
|
|
}
|
|
|
|
// Crop & scale
|
|
$o_size = $d_size = array($image->get_width(),$image->get_height());
|
|
$params->sizing->compute($o_size , $page['coi'], $crop_rect, $scaled_size );
|
|
if ($crop_rect)
|
|
{
|
|
$changes++;
|
|
$image->crop( $crop_rect->width(), $crop_rect->height(), $crop_rect->l, $crop_rect->t);
|
|
$timing['crop'] = time_step($step);
|
|
}
|
|
|
|
if ($scaled_size)
|
|
{
|
|
$changes++;
|
|
$image->resize( $scaled_size[0], $scaled_size[1] );
|
|
$d_size = $scaled_size;
|
|
$timing['scale'] = time_step($step);
|
|
}
|
|
|
|
if ($params->sharpen)
|
|
{
|
|
$changes += $image->sharpen( $params->sharpen );
|
|
$timing['sharpen'] = time_step($step);
|
|
}
|
|
|
|
if ($params->will_watermark($d_size))
|
|
{
|
|
$wm = ImageStdParams::get_watermark();
|
|
$wm_image = new pwg_image(PHPWG_ROOT_PATH.$wm->file);
|
|
$wm_size = array($wm_image->get_width(),$wm_image->get_height());
|
|
if ($d_size[0]<$wm_size[0] or $d_size[1]<$wm_size[1])
|
|
{
|
|
$wm_scaling_params = SizingParams::classic($d_size[0], $d_size[1]);
|
|
$wm_scaling_params->compute($wm_size, null, $tmp, $wm_scaled_size);
|
|
$wm_size = $wm_scaled_size;
|
|
$wm_image->resize( $wm_scaled_size[0], $wm_scaled_size[1] );
|
|
}
|
|
$x = round( ($wm->xpos/100)*($d_size[0]-$wm_size[0]) );
|
|
$y = round( ($wm->ypos/100)*($d_size[1]-$wm_size[1]) );
|
|
if ($image->compose($wm_image, $x, $y, $wm->opacity))
|
|
{
|
|
$changes++;
|
|
if ($wm->xrepeat || $wm->yrepeat)
|
|
{
|
|
$xpad = $wm_size[0] + max(30, round($wm_size[0]/4));
|
|
$ypad = $wm_size[1] + max(30, round($wm_size[1]/4));
|
|
|
|
for($i=-$wm->xrepeat; $i<=$wm->xrepeat; $i++)
|
|
{
|
|
for($j=-$wm->yrepeat; $j<=$wm->yrepeat; $j++)
|
|
{
|
|
if (!$i && !$j) continue;
|
|
$x2 = $x + $i * $xpad;
|
|
$y2 = $y + $j * $ypad;
|
|
if ($x2>=0 && $x2+$wm_size[0]<$d_size[0] &&
|
|
$y2>=0 && $y2+$wm_size[1]<$d_size[1] )
|
|
if (!$image->compose($wm_image, $x2, $y2, $wm->opacity))
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$wm_image->destroy();
|
|
$timing['watermark'] = time_step($step);
|
|
}
|
|
|
|
// no change required - redirect to source
|
|
if (!$changes)
|
|
{
|
|
header("X-i: No change");
|
|
ierror( $page['src_url'], 301);
|
|
}
|
|
|
|
if ($d_size[0]*$d_size[1] < $conf['derivatives_strip_metadata_threshold'])
|
|
{// strip metadata for small images
|
|
$image->strip();
|
|
}
|
|
|
|
$image->set_compression_quality( ImageStdParams::$quality );
|
|
$image->write( $page['derivative_path'] );
|
|
$image->destroy();
|
|
@chmod($page['derivative_path'], 0644);
|
|
$timing['save'] = time_step($step);
|
|
|
|
send_derivative($expires);
|
|
$timing['send'] = time_step($step);
|
|
|
|
$timing['total'] = time_step($begin);
|
|
|
|
if ($logger->severity() >= Logger::DEBUG)
|
|
{
|
|
$logger->debug('', 'i.php', array(
|
|
'src_path' => basename($page['src_path']),
|
|
'derivative_path' => basename($page['derivative_path']),
|
|
'o_size' => $o_size[0] . ' ' . $o_size[1] . ' ' . ($o_size[0]*$o_size[1]),
|
|
'd_size' => $d_size[0] . ' ' . $d_size[1] . ' ' . ($d_size[0]*$d_size[1]),
|
|
'mem_usage' => function_exists('memory_get_peak_usage') ? round( memory_get_peak_usage()/(1024*1024), 1) : '',
|
|
'timing' => $timing,
|
|
));
|
|
} |