<?php // +-----------------------------------------------------------------------+ // | PhpWebGallery - a PHP based picture gallery | // | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | // | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net | // +-----------------------------------------------------------------------+ // | branch : BSF (Best So Far) // | file : $URL: svn+ssh://rub@svn.gna.org/svn/phpwebgallery/trunk/action.php $ // | last update : $Date$ // | last modifier : $Author$ // | revision : $Rev$ // +-----------------------------------------------------------------------+ // | This program is free software; you can redistribute it and/or modify | // | it under the terms of the GNU General Public License as published by | // | the Free Software Foundation | // | | // | This program is distributed in the hope that it will be useful, but | // | WITHOUT ANY WARRANTY; without even the implied warranty of | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | // | General Public License for more details. | // | | // | You should have received a copy of the GNU General Public License | // | along with this program; if not, write to the Free Software | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | // | USA. | // +-----------------------------------------------------------------------+ define('PHPWG_ROOT_PATH','./'); include_once(PHPWG_ROOT_PATH.'include/common.inc.php'); // Check Access and exit when user status is not ok check_status(ACCESS_GUEST); function guess_mime_type($ext) { switch ( strtolower($ext) ) { case "jpe": case "jpeg": case "jpg": $ctype="image/jpeg"; break; case "png": $ctype="image/png"; break; case "gif": $ctype="image/gif"; break; case "tiff": case "tif": $ctype="image/tiff"; break; case "txt": $ctype="text/plain"; break; case "html": case "htm": $ctype="text/html"; break; case "xml": $ctype="text/xml"; break; case "pdf": $ctype="application/pdf"; break; case "zip": $ctype="application/zip"; break; case "ogg": $ctype="application/ogg"; break; default: $ctype="application/octet-stream"; } return $ctype; } function do_error( $code, $str ) { set_status_header( $code ); echo $str ; exit(); } if (!isset($_GET['id']) or !is_numeric($_GET['id']) or !isset($_GET['part']) or !in_array($_GET['part'], array('t','e','i','h') ) ) { do_error(400, 'Invalid request - id/part'); } $query = ' SELECT * FROM '. IMAGES_TABLE.' WHERE id='.$_GET['id'].' ;'; $result = pwg_query($query); $element_info = mysql_fetch_assoc($result); if ( empty($element_info) ) { do_error(404, 'Requested id not found'); } // $filter['visible_categories'] and $filter['visible_images'] // are not used because it's not necessary (filter <> restriction) $query=' SELECT id FROM '.CATEGORIES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON category_id = id WHERE image_id = '.$_GET['id'].' '.get_sql_condition_FandF( array( 'forbidden_categories' => 'category_id', 'forbidden_images' => 'image_id', ), ' AND' ).' LIMIT 1 ;'; if ( mysql_num_rows(pwg_query($query))<1 ) { do_error(401, 'Access denied'); } include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); $file=''; switch ($_GET['part']) { case 't': $file = get_thumbnail_path($element_info); break; case 'e': $file = get_element_path($element_info); break; case 'i': $file = get_image_path($element_info); break; case 'h': if ( $user['enabled_high']!='true' ) { do_error(401, 'Access denied h'); } $file = get_high_path($element_info); break; } if ( empty($file) ) { do_error(404, 'Requested file not found'); } if ($_GET['part'] == 'h') { pwg_log($_GET['id'], 'high'); } else if ($_GET['part'] == 'e') { pwg_log($_GET['id'], 'other'); } $http_headers = array(); $ctype = null; if (!url_is_remote($file)) { if ( !@is_readable($file) ) { do_error(404, "Requested file not found - $file"); } $http_headers[] = 'Content-Length: '.@filesize($file); if ( function_exists('mime_content_type') ) { $ctype = mime_content_type($file); } $gmt_mtime = gmdate('D, d M Y H:i:s', filemtime($file)).' GMT'; $http_headers[] = 'Last-Modified: '.$gmt_mtime; // following lines would indicate how the client should handle the cache /* $max_age=300; $http_headers[] = 'Expires: '.gmdate('D, d M Y H:i:s', time()+$max_age).' GMT'; // HTTP/1.1 only $http_headers[] = 'Cache-Control: private, must-revalidate, max-age='.$max_age;*/ if ( isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) { set_status_header(304); foreach ($http_headers as $header) { header( $header ); } exit(); } } if (!isset($ctype)) { // give it a guess $ctype = guess_mime_type( get_extension($file) ); } $http_headers[] = 'Content-Type: '.$ctype; if (!isset($_GET['view'])) { $http_headers[] = 'Content-Disposition: attachment; filename="' .basename($file).'";'; $http_headers[] = 'Content-Transfer-Encoding: binary'; } else { $http_headers[] = 'Content-Disposition: inline; filename="' .basename($file).'";'; } foreach ($http_headers as $header) { header( $header ); } // Looking at the safe_mode configuration for execution time if (ini_get('safe_mode') == 0) { @set_time_limit(0); } @readfile($file); ?>