$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");
/**
* Send a given file for download (inline or attachment)
*
* @param string $source : the file to download (FS relative)
* @param boolean $inline : the file is sent inline (default) or as attachment
* @param boolean $deleteFile : delete the sended file at end of download (default : false)
* @param mixed $forceContentType : false to auto get the mime type to send, or string to force a mime type
* @return void or false if error
* @access public
* @static
*/
function downloadFile($source, $inline = true, $deleteFile = false, $forceContentType = false)
{
if (!file_exists($source)) {
CMS_grandFather::raiseError('Source file to send does not exists : ' . $source);
return false;
}
if (connection_status() != 0) {
CMS_grandFather::raiseError('Error connexion status is not "normal" : ' . connection_status());
return false;
}
//get mime filetype
if (!$forceContentType) {
$filetype = CMS_file::mimeContentType($source);
$filetype = $filetype ? $filetype : 'application/octet-stream';
} else {
$filetype = $forceContentType;
}
//close session then clean buffer
@session_write_close();
@ob_end_clean();
//to prevent long file from getting cut off from max_execution_time
@set_time_limit(0);
//send http headers
header("Cache-Control: public", true);
//This is needed to avoid bug with IE in HTTPS
header("Pragma:", true);
//This is needed to avoid bug with IE in HTTPS
header('Content-Type: ' . $filetype);
header("Content-transfer-encoding: binary");
clearstatcache();
//to avoid bug on filesize
header('Content-Length: ' . (string) filesize($source));
header('Content-Disposition: ' . ($inline ? 'inline' : 'attachment') . '; filename="' . basename($source) . '"');
//If mod_xsendfile exists, use it to send files
if (!$deleteFile && (isset($_SERVER["REDIRECT_ATM_X_SENDFILE"]) && $_SERVER["REDIRECT_ATM_X_SENDFILE"] == 1 || getenv('ATM_X_SENDFILE') == 1)) {
header('X-Sendfile: ' . $source);
exit;
}
//send file
if ($file = fopen($source, 'rb')) {
while (!feof($file) && connection_status() == 0) {
print fread($file, 1024 * 8);
flush();
}
fclose($file);
}
if ($deleteFile) {
//delete source file
@unlink($source);
}
exit;
}
