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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | Automne (TM) |
// +----------------------------------------------------------------------+
// | Copyright (c) 2000-2007 WS Interactive |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the GPL license. |
// | The license text is bundled with this package in the file |
// | LICENSE-GPL, and is available at through the world-wide-web at |
// | http://www.gnu.org/copyleft/gpl.html. |
// +----------------------------------------------------------------------+
// | Author: Sébastien Pauchet <sebastien.pauchet@ws-interactive.fr> |
// +----------------------------------------------------------------------+
/**
* Automne image files download handler
* @package Automne
* @subpackage frontend
* @author Sébastien Pauchet <sebastien.pauchet@ws-interactive.fr>
*/
// *******************************************************************************
// ** IMAGE FILE HANDLER. THIS PHP CODE IS NEEDED TO DOWNLOAD IMAGES **
// *******************************************************************************
//disactive HTML compression
define("ENABLE_HTML_COMPRESSION", false);
//only cms_rc needed in this case : no extra loading
define('APPLICATION_USER_TYPE', 'file');
require_once(dirname(__FILE__).'/cms_rc.php');
$replace = array(
'..' => '',
'\\' => '',
'/' => '',
);
//Get image vars
$image = io::get('image');
$location = (io::get('location') && isset($_SERVER["HTTP_REFERER"]) && strpos($_SERVER["HTTP_REFERER"], "automne/admin") !== false) ? io::get('location') : RESOURCE_DATA_LOCATION_PUBLIC;
$location = in_array($location, array(RESOURCE_DATA_LOCATION_EDITED, RESOURCE_DATA_LOCATION_EDITION, RESOURCE_DATA_LOCATION_PUBLIC)) ? $location : '';
$module = io::get('module') ? io::get('module') : 'standard';
$module = in_array($module, CMS_modulesCatalog::getAllCodenames()) ? $module : '';
$x = io::get('x', 'io::isPositiveInteger');
$y = io::get('y', 'io::isPositiveInteger');
$crop = (io::get('crop') && $x && $y) ? true : false;
if ($image != io::htmlspecialchars(str_replace(array_keys($replace), $replace, $image))) {
$image = '';
}
//missing datas : send 404
if(!$image || !$module || !$location) {
//send 404 headers
header('HTTP/1.x 404 Not Found', true, 404);
//send image 404
if (file_exists(PATH_REALROOT_FS.'/img/404.png')) {
CMS_file::downloadFile(PATH_REALROOT_FS.'/img/404.png');
exit;
}
}
//resized image
$pathInfo = pathinfo($image);
$resizedImage = $pathInfo['filename'] .'-'. $x .'-'. $y .($crop ? '-c' : '').'.'. $pathInfo['extension'];
if (!$x && !$y) {
$resizedImage = $image;
}
//resized image path
$resizedImagepathFS = PATH_MODULES_FILES_FS . '/' . $module . '/' . $location . '/' . $resizedImage;
//if file already exists, no need to resize file send it
if(file_exists($resizedImagepathFS)) {
//check If-Modified-Since header if exists then return a 304 if needed
if (isset($_SERVER['IF-MODIFIED-SINCE'])) {
$ifModifiedSince = strtotime($_SERVER['IF-MODIFIED-SINCE']);
} elseif (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
$ifModifiedSince = strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']);
}
if (isset($ifModifiedSince) && filemtime($resizedImagepathFS) <= $ifModifiedSince) {
$filetype = CMS_file::mimeContentType($resizedImagepathFS);
$filetype = ($filetype) ? $filetype : 'application/octet-stream';
header('HTTP/1.1 304 Not Modified');
header('Content-Type: '.$filetype);
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($resizedImagepathFS)) . ' GMT');
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+2592000) . ' GMT'); //30 days
header("Cache-Control: must-revalidate");
header("Pragma: public");
exit;
}
//Send cache headers
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($resizedImagepathFS)) . ' GMT');
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+2592000) . ' GMT'); //30 days
header("Cache-Control: must-revalidate");
header("Pragma: public");
//send file to browser
CMS_file::downloadFile($resizedImagepathFS);
exit;
}
//original image path
$imagepathFS = PATH_MODULES_FILES_FS . '/' . $module . '/' . $location . '/' . $image;
//if original image does not exists, send 404
if(!file_exists($imagepathFS)) {
//send 404 headers
header('HTTP/1.x 404 Not Found', true, 404);
//send image 404
if (file_exists(PATH_REALROOT_FS.'/img/404.png')) {
CMS_file::downloadFile(PATH_REALROOT_FS.'/img/404.png');
exit;
}
}
//file does not exists, so resize original file
$image = new CMS_image($imagepathFS);
//get current file size
$sizeX = $image->getWidth();
$sizeY = $image->getHeight();
//pr('original : '.$sizeX.' - '.$sizeY);
//pr('queried : '.$x.' - '.$y);
//set new file infos
$pathInfo = pathinfo($imagepathFS);
if ($x > $sizeX && $y > $sizeY) {
$newSizeX = $sizeX;
$newSizeY = $sizeY;
} elseif (($x > $sizeX && $y <= $sizeY) || ($x <= $sizeX && $y > $sizeY)) {
if (($x - $sizeX) < ($y - $sizeY)) {
$newSizeX = $x;
$newSizeY = $sizeY;
} else {
$newSizeX = $sizeX;
$newSizeY = $y;
}
} else {
$newSizeX = $x ? $x : round(($y * $sizeX) / $sizeY);
$newSizeY = $y ? $y : round(($x * $sizeY) / $sizeX);
}
$resizedImage = $pathInfo['filename'] .'-'. $newSizeX .'-'. $newSizeY .($crop ? '-c' : '').'.'. $pathInfo['extension'];
//pr('result : '.$newSizeX.' - '.$newSizeY);
//pr($resizedImage);
//exit;
//resized image path
$resizedImagepathFS = PATH_MODULES_FILES_FS . '/' . $module . '/' . $location . '/' . $resizedImage;
if ($image->resize($newSizeX, $newSizeY, $resizedImagepathFS, true, $crop)) {
//Send cache headers
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($resizedImagepathFS)) . ' GMT');
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+2592000) . ' GMT'); //30 days
header("Cache-Control: must-revalidate");
header("Pragma: public");
//send resized image to browser
CMS_file::downloadFile($resizedImagepathFS);
} else {
//send 404 headers
header('HTTP/1.x 404 Not Found', true, 404);
//send image 404
if (file_exists(PATH_REALROOT_FS.'/img/404.png')) {
CMS_file::downloadFile(PATH_REALROOT_FS.'/img/404.png');
}
}
?>
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