diff options
author | rvelices <rv-github@modusoptimus.com> | 2013-06-20 03:38:47 +0000 |
---|---|---|
committer | rvelices <rv-github@modusoptimus.com> | 2013-06-20 03:38:47 +0000 |
commit | 6fc07742f8fca9d32db23243d374ea27e8ee4c1e (patch) | |
tree | bc7240c53a1c6bdff6c785153deb6306585c4062 /include/smarty/libs/sysplugins/smarty_internal_write_file.php | |
parent | 9843eb362dd7d1b9d762871777ef76fa84e8202a (diff) |
smarty 3 - first pass for tests
git-svn-id: http://piwigo.org/svn/trunk@23384 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_write_file.php | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_write_file.php b/include/smarty/libs/sysplugins/smarty_internal_write_file.php new file mode 100644 index 000000000..e5d19ce8d --- /dev/null +++ b/include/smarty/libs/sysplugins/smarty_internal_write_file.php @@ -0,0 +1,88 @@ +<?php +/** + * Smarty write file plugin + * + * @package Smarty + * @subpackage PluginsInternal + * @author Monte Ohrt + */ + +/** + * Smarty Internal Write File Class + * + * @package Smarty + * @subpackage PluginsInternal + */ +class Smarty_Internal_Write_File { + + /** + * Writes file in a safe way to disk + * + * @param string $_filepath complete filepath + * @param string $_contents file content + * @param Smarty $smarty smarty instance + * @return boolean true + */ + public static function writeFile($_filepath, $_contents, Smarty $smarty) + { + $_error_reporting = error_reporting(); + error_reporting($_error_reporting & ~E_NOTICE & ~E_WARNING); + if ($smarty->_file_perms !== null) { + $old_umask = umask(0); + } + + $_dirpath = dirname($_filepath); + // if subdirs, create dir structure + if ($_dirpath !== '.' && !file_exists($_dirpath)) { + mkdir($_dirpath, $smarty->_dir_perms === null ? 0777 : $smarty->_dir_perms, true); + } + + // write to tmp file, then move to overt file lock race condition + $_tmp_file = $_dirpath . DS . uniqid('wrt', true); + if (!file_put_contents($_tmp_file, $_contents)) { + error_reporting($_error_reporting); + throw new SmartyException("unable to write file {$_tmp_file}"); + return false; + } + + /* + * Windows' rename() fails if the destination exists, + * Linux' rename() properly handles the overwrite. + * Simply unlink()ing a file might cause other processes + * currently reading that file to fail, but linux' rename() + * seems to be smart enough to handle that for us. + */ + if (Smarty::$_IS_WINDOWS) { + // remove original file + @unlink($_filepath); + // rename tmp file + $success = @rename($_tmp_file, $_filepath); + } else { + // rename tmp file + $success = @rename($_tmp_file, $_filepath); + if (!$success) { + // remove original file + @unlink($_filepath); + // rename tmp file + $success = @rename($_tmp_file, $_filepath); + } + } + + if (!$success) { + error_reporting($_error_reporting); + throw new SmartyException("unable to write file {$_filepath}"); + return false; + } + + if ($smarty->_file_perms !== null) { + // set file permissions + chmod($_filepath, $smarty->_file_perms); + umask($old_umask); + } + error_reporting($_error_reporting); + return true; + } + +} + +?>
\ No newline at end of file |