mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 16:33:17 +01:00
196 lines
4.7 KiB
PHP
Executable File
196 lines
4.7 KiB
PHP
Executable File
<?php
|
|
/**
|
|
* Class Minify_Cache_File
|
|
* @package Minify
|
|
*/
|
|
|
|
class Minify_Cache_File {
|
|
|
|
public function __construct($path = '', $fileLocking = false)
|
|
{
|
|
if (! $path) {
|
|
$path = self::tmp();
|
|
}
|
|
$this->_locking = $fileLocking;
|
|
$this->_path = $path;
|
|
}
|
|
|
|
/**
|
|
* Write data to cache.
|
|
*
|
|
* @param string $id cache id (e.g. a filename)
|
|
*
|
|
* @param string $data
|
|
*
|
|
* @return bool success
|
|
*/
|
|
public function store($id, $data)
|
|
{
|
|
$flag = $this->_locking
|
|
? LOCK_EX
|
|
: null;
|
|
$file = $this->_path . '/' . $id;
|
|
if (! @file_put_contents($file, $data, $flag)) {
|
|
$this->_log("Minify_Cache_File: Write failed to '$file'");
|
|
}
|
|
// write control
|
|
if ($data !== $this->fetch($id)) {
|
|
@unlink($file);
|
|
$this->_log("Minify_Cache_File: Post-write read failed for '$file'");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get the size of a cache entry
|
|
*
|
|
* @param string $id cache id (e.g. a filename)
|
|
*
|
|
* @return int size in bytes
|
|
*/
|
|
public function getSize($id)
|
|
{
|
|
return filesize($this->_path . '/' . $id);
|
|
}
|
|
|
|
/**
|
|
* Does a valid cache entry exist?
|
|
*
|
|
* @param string $id cache id (e.g. a filename)
|
|
*
|
|
* @param int $srcMtime mtime of the original source file(s)
|
|
*
|
|
* @return bool exists
|
|
*/
|
|
public function isValid($id, $srcMtime)
|
|
{
|
|
$file = $this->_path . '/' . $id;
|
|
return (is_file($file) && (filemtime($file) >= $srcMtime));
|
|
}
|
|
|
|
/**
|
|
* Send the cached content to output
|
|
*
|
|
* @param string $id cache id (e.g. a filename)
|
|
*/
|
|
public function display($id)
|
|
{
|
|
if ($this->_locking) {
|
|
$fp = fopen($this->_path . '/' . $id, 'rb');
|
|
flock($fp, LOCK_SH);
|
|
fpassthru($fp);
|
|
flock($fp, LOCK_UN);
|
|
fclose($fp);
|
|
} else {
|
|
readfile($this->_path . '/' . $id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch the cached content
|
|
*
|
|
* @param string $id cache id (e.g. a filename)
|
|
*
|
|
* @return string
|
|
*/
|
|
public function fetch($id)
|
|
{
|
|
if ($this->_locking) {
|
|
$fp = fopen($this->_path . '/' . $id, 'rb');
|
|
flock($fp, LOCK_SH);
|
|
$ret = stream_get_contents($fp);
|
|
flock($fp, LOCK_UN);
|
|
fclose($fp);
|
|
return $ret;
|
|
} else {
|
|
return file_get_contents($this->_path . '/' . $id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch the cache path used
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getPath()
|
|
{
|
|
return $this->_path;
|
|
}
|
|
|
|
/**
|
|
* Get a usable temp directory
|
|
*
|
|
* Adapted from Solar/Dir.php
|
|
* @author Paul M. Jones <pmjones@solarphp.com>
|
|
* @license http://opensource.org/licenses/bsd-license.php BSD
|
|
* @link http://solarphp.com/trac/core/browser/trunk/Solar/Dir.php
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function tmp()
|
|
{
|
|
static $tmp = null;
|
|
if (! $tmp) {
|
|
$tmp = function_exists('sys_get_temp_dir')
|
|
? sys_get_temp_dir()
|
|
: self::_tmp();
|
|
$tmp = rtrim($tmp, DIRECTORY_SEPARATOR);
|
|
}
|
|
return $tmp;
|
|
}
|
|
|
|
/**
|
|
* Returns the OS-specific directory for temporary files
|
|
*
|
|
* @author Paul M. Jones <pmjones@solarphp.com>
|
|
* @license http://opensource.org/licenses/bsd-license.php BSD
|
|
* @link http://solarphp.com/trac/core/browser/trunk/Solar/Dir.php
|
|
*
|
|
* @return string
|
|
*/
|
|
protected static function _tmp()
|
|
{
|
|
// non-Windows system?
|
|
if (strtolower(substr(PHP_OS, 0, 3)) != 'win') {
|
|
$tmp = empty($_ENV['TMPDIR']) ? getenv('TMPDIR') : $_ENV['TMPDIR'];
|
|
if ($tmp) {
|
|
return $tmp;
|
|
} else {
|
|
return '/tmp';
|
|
}
|
|
}
|
|
// Windows 'TEMP'
|
|
$tmp = empty($_ENV['TEMP']) ? getenv('TEMP') : $_ENV['TEMP'];
|
|
if ($tmp) {
|
|
return $tmp;
|
|
}
|
|
// Windows 'TMP'
|
|
$tmp = empty($_ENV['TMP']) ? getenv('TMP') : $_ENV['TMP'];
|
|
if ($tmp) {
|
|
return $tmp;
|
|
}
|
|
// Windows 'windir'
|
|
$tmp = empty($_ENV['windir']) ? getenv('windir') : $_ENV['windir'];
|
|
if ($tmp) {
|
|
return $tmp;
|
|
}
|
|
// final fallback for Windows
|
|
return getenv('SystemRoot') . '\\temp';
|
|
}
|
|
|
|
/**
|
|
* Send message to the Minify logger
|
|
* @param string $msg
|
|
* @return null
|
|
*/
|
|
protected function _log($msg)
|
|
{
|
|
require_once 'Minify/Logger.php';
|
|
Minify_Logger::log($msg);
|
|
}
|
|
|
|
private $_path = null;
|
|
private $_locking = null;
|
|
}
|