You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Smarty write file plugin
|
|
*
|
|
* @package Smarty
|
|
* @subpackage PluginsInternal
|
|
* @author Monte Ohrt
|
|
*/
|
|
/**
|
|
* Smarty Internal Write File Class
|
|
*
|
|
* @package Smarty
|
|
* @subpackage PluginsInternal
|
|
*/
|
|
class Smarty_Internal_Runtime_WriteFile
|
|
{
|
|
/**
|
|
* Writes file in a safe way to disk
|
|
*
|
|
* @param string $_filepath complete filepath
|
|
* @param string $_contents file content
|
|
* @param Smarty $smarty smarty instance
|
|
*
|
|
* @throws SmartyException
|
|
* @return boolean true
|
|
*/
|
|
public function writeFile($_filepath, $_contents, Smarty $smarty)
|
|
{
|
|
$_error_reporting = error_reporting();
|
|
error_reporting($_error_reporting & ~E_NOTICE & ~E_WARNING);
|
|
$_file_perms = property_exists($smarty, '_file_perms') ? $smarty->_file_perms : 0644;
|
|
$_dir_perms =
|
|
property_exists($smarty, '_dir_perms') ? (isset($smarty->_dir_perms) ? $smarty->_dir_perms : 0777) : 0771;
|
|
if ($_file_perms !== null) {
|
|
$old_umask = umask(0);
|
|
}
|
|
$_dirpath = dirname($_filepath);
|
|
// if subdirs, create dir structure
|
|
if ($_dirpath !== '.') {
|
|
$i = 0;
|
|
// loop if concurrency problem occurs
|
|
// see https://bugs.php.net/bug.php?id=35326
|
|
while (!is_dir($_dirpath)) {
|
|
if (@mkdir($_dirpath, $_dir_perms, true)) {
|
|
break;
|
|
}
|
|
clearstatcache();
|
|
if (++$i === 3) {
|
|
error_reporting($_error_reporting);
|
|
throw new SmartyException("unable to create directory {$_dirpath}");
|
|
}
|
|
sleep(1);
|
|
}
|
|
}
|
|
// write to tmp file, then move to overt file lock race condition
|
|
$_tmp_file = $_dirpath . DIRECTORY_SEPARATOR . str_replace(array('.', ','), '_', uniqid('wrt', true));
|
|
if (!file_put_contents($_tmp_file, $_contents)) {
|
|
error_reporting($_error_reporting);
|
|
throw new SmartyException("unable to write file {$_tmp_file}");
|
|
}
|
|
/*
|
|
* Windows' rename() fails if the destination exists,
|
|
* Linux' rename() properly handles the overwrite.
|
|
* Simply unlink()ing a file might cause other processes
|
|
* currently reading that file to fail, but linux' rename()
|
|
* seems to be smart enough to handle that for us.
|
|
*/
|
|
if (Smarty::$_IS_WINDOWS) {
|
|
// remove original file
|
|
if (is_file($_filepath)) {
|
|
@unlink($_filepath);
|
|
}
|
|
// rename tmp file
|
|
$success = @rename($_tmp_file, $_filepath);
|
|
} else {
|
|
// rename tmp file
|
|
$success = @rename($_tmp_file, $_filepath);
|
|
if (!$success) {
|
|
// remove original file
|
|
if (is_file($_filepath)) {
|
|
@unlink($_filepath);
|
|
}
|
|
// rename tmp file
|
|
$success = @rename($_tmp_file, $_filepath);
|
|
}
|
|
}
|
|
if (!$success) {
|
|
error_reporting($_error_reporting);
|
|
throw new SmartyException("unable to write file {$_filepath}");
|
|
}
|
|
if ($_file_perms !== null) {
|
|
// set file permissions
|
|
chmod($_filepath, $_file_perms);
|
|
umask($old_umask);
|
|
}
|
|
error_reporting($_error_reporting);
|
|
return true;
|
|
}
|
|
}
|