539 lines
15 KiB
PHP
539 lines
15 KiB
PHP
<?php
|
|
//
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 5 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
|
// | available through the world-wide-web at the following url: |
|
|
// | http://www.php.net/license/3_0.txt. |
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
|
// | obtain it through the world-wide-web, please send a note to |
|
|
// | license@php.net so we can mail you a copy immediately. |
|
|
// +----------------------------------------------------------------------+
|
|
// | Author: Stig Bakken <ssb@php.net> |
|
|
// | Tomas V.V.Cox <cox@idecnet.com> |
|
|
// | |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: Registry.php,v 1.50.4.3 2004/10/26 19:19:56 cellog Exp $
|
|
|
|
/*
|
|
TODO:
|
|
- Transform into singleton()
|
|
- Add application level lock (avoid change the registry from the cmdline
|
|
while using the GTK interface, for ex.)
|
|
*/
|
|
require_once "System.php";
|
|
require_once "PEAR.php";
|
|
|
|
define('PEAR_REGISTRY_ERROR_LOCK', -2);
|
|
define('PEAR_REGISTRY_ERROR_FORMAT', -3);
|
|
define('PEAR_REGISTRY_ERROR_FILE', -4);
|
|
|
|
/**
|
|
* Administration class used to maintain the installed package database.
|
|
*/
|
|
class PEAR_Registry extends PEAR
|
|
{
|
|
// {{{ properties
|
|
|
|
/** Directory where registry files are stored.
|
|
* @var string
|
|
*/
|
|
var $statedir = '';
|
|
|
|
/** File where the file map is stored
|
|
* @var string
|
|
*/
|
|
var $filemap = '';
|
|
|
|
/** Name of file used for locking the registry
|
|
* @var string
|
|
*/
|
|
var $lockfile = '';
|
|
|
|
/** File descriptor used during locking
|
|
* @var resource
|
|
*/
|
|
var $lock_fp = null;
|
|
|
|
/** Mode used during locking
|
|
* @var int
|
|
*/
|
|
var $lock_mode = 0; // XXX UNUSED
|
|
|
|
/** Cache of package information. Structure:
|
|
* array(
|
|
* 'package' => array('id' => ... ),
|
|
* ... )
|
|
* @var array
|
|
*/
|
|
var $pkginfo_cache = array();
|
|
|
|
/** Cache of file map. Structure:
|
|
* array( '/path/to/file' => 'package', ... )
|
|
* @var array
|
|
*/
|
|
var $filemap_cache = array();
|
|
|
|
// }}}
|
|
|
|
// {{{ constructor
|
|
|
|
/**
|
|
* PEAR_Registry constructor.
|
|
*
|
|
* @param string (optional) PEAR install directory (for .php files)
|
|
*
|
|
* @access public
|
|
*/
|
|
function PEAR_Registry($pear_install_dir = PEAR_INSTALL_DIR)
|
|
{
|
|
parent::PEAR();
|
|
$ds = DIRECTORY_SEPARATOR;
|
|
$this->install_dir = $pear_install_dir;
|
|
$this->statedir = $pear_install_dir.$ds.'.registry';
|
|
$this->filemap = $pear_install_dir.$ds.'.filemap';
|
|
$this->lockfile = $pear_install_dir.$ds.'.lock';
|
|
|
|
// XXX Compatibility code should be removed in the future
|
|
// rename all registry files if any to lowercase
|
|
if (!OS_WINDOWS && $handle = @opendir($this->statedir)) {
|
|
$dest = $this->statedir . DIRECTORY_SEPARATOR;
|
|
while (false !== ($file = readdir($handle))) {
|
|
if (preg_match('/^.*[A-Z].*\.reg$/', $file)) {
|
|
rename($dest . $file, $dest . strtolower($file));
|
|
}
|
|
}
|
|
closedir($handle);
|
|
}
|
|
if (!file_exists($this->filemap)) {
|
|
$this->rebuildFileMap();
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
// {{{ destructor
|
|
|
|
/**
|
|
* PEAR_Registry destructor. Makes sure no locks are forgotten.
|
|
*
|
|
* @access private
|
|
*/
|
|
function _PEAR_Registry()
|
|
{
|
|
parent::_PEAR();
|
|
if (is_resource($this->lock_fp)) {
|
|
$this->_unlock();
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ _assertStateDir()
|
|
|
|
/**
|
|
* Make sure the directory where we keep registry files exists.
|
|
*
|
|
* @return bool TRUE if directory exists, FALSE if it could not be
|
|
* created
|
|
*
|
|
* @access private
|
|
*/
|
|
function _assertStateDir()
|
|
{
|
|
if (!@is_dir($this->statedir)) {
|
|
if (!System::mkdir(array('-p', $this->statedir))) {
|
|
return $this->raiseError("could not create directory '{$this->statedir}'");
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _packageFileName()
|
|
|
|
/**
|
|
* Get the name of the file where data for a given package is stored.
|
|
*
|
|
* @param string package name
|
|
*
|
|
* @return string registry file name
|
|
*
|
|
* @access public
|
|
*/
|
|
function _packageFileName($package)
|
|
{
|
|
return $this->statedir . DIRECTORY_SEPARATOR . strtolower($package) . '.reg';
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _openPackageFile()
|
|
|
|
function _openPackageFile($package, $mode)
|
|
{
|
|
$this->_assertStateDir();
|
|
$file = $this->_packageFileName($package);
|
|
$fp = @fopen($file, $mode);
|
|
if (!$fp) {
|
|
return null;
|
|
}
|
|
return $fp;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _closePackageFile()
|
|
|
|
function _closePackageFile($fp)
|
|
{
|
|
fclose($fp);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ rebuildFileMap()
|
|
|
|
function rebuildFileMap()
|
|
{
|
|
$packages = $this->listPackages();
|
|
$files = array();
|
|
foreach ($packages as $package) {
|
|
$version = $this->packageInfo($package, 'version');
|
|
$filelist = $this->packageInfo($package, 'filelist');
|
|
if (!is_array($filelist)) {
|
|
continue;
|
|
}
|
|
foreach ($filelist as $name => $attrs) {
|
|
if (isset($attrs['role']) && $attrs['role'] != 'php') {
|
|
continue;
|
|
}
|
|
if (isset($attrs['baseinstalldir'])) {
|
|
$file = $attrs['baseinstalldir'].DIRECTORY_SEPARATOR.$name;
|
|
} else {
|
|
$file = $name;
|
|
}
|
|
$file = preg_replace(',^/+,', '', $file);
|
|
$files[$file] = $package;
|
|
}
|
|
}
|
|
$this->_assertStateDir();
|
|
$fp = @fopen($this->filemap, 'wb');
|
|
if (!$fp) {
|
|
return false;
|
|
}
|
|
$this->filemap_cache = $files;
|
|
fwrite($fp, serialize($files));
|
|
fclose($fp);
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ readFileMap()
|
|
|
|
function readFileMap()
|
|
{
|
|
$fp = @fopen($this->filemap, 'r');
|
|
if (!$fp) {
|
|
return $this->raiseError('PEAR_Registry: could not open filemap', PEAR_REGISTRY_ERROR_FILE, null, null, $php_errormsg);
|
|
}
|
|
$fsize = filesize($this->filemap);
|
|
$rt = get_magic_quotes_runtime();
|
|
set_magic_quotes_runtime(0);
|
|
$data = fread($fp, $fsize);
|
|
set_magic_quotes_runtime($rt);
|
|
fclose($fp);
|
|
$tmp = unserialize($data);
|
|
if (!$tmp && $fsize > 7) {
|
|
return $this->raiseError('PEAR_Registry: invalid filemap data', PEAR_REGISTRY_ERROR_FORMAT, null, null, $data);
|
|
}
|
|
$this->filemap_cache = $tmp;
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _lock()
|
|
|
|
/**
|
|
* Lock the registry.
|
|
*
|
|
* @param integer lock mode, one of LOCK_EX, LOCK_SH or LOCK_UN.
|
|
* See flock manual for more information.
|
|
*
|
|
* @return bool TRUE on success, FALSE if locking failed, or a
|
|
* PEAR error if some other error occurs (such as the
|
|
* lock file not being writable).
|
|
*
|
|
* @access private
|
|
*/
|
|
function _lock($mode = LOCK_EX)
|
|
{
|
|
if (!eregi('Windows 9', php_uname())) {
|
|
if ($mode != LOCK_UN && is_resource($this->lock_fp)) {
|
|
// XXX does not check type of lock (LOCK_SH/LOCK_EX)
|
|
return true;
|
|
}
|
|
if (PEAR::isError($err = $this->_assertStateDir())) {
|
|
return $err;
|
|
}
|
|
$open_mode = 'w';
|
|
// XXX People reported problems with LOCK_SH and 'w'
|
|
if ($mode === LOCK_SH || $mode === LOCK_UN) {
|
|
if (@!is_file($this->lockfile)) {
|
|
touch($this->lockfile);
|
|
}
|
|
$open_mode = 'r';
|
|
}
|
|
|
|
if (!is_resource($this->lock_fp)) {
|
|
$this->lock_fp = @fopen($this->lockfile, $open_mode);
|
|
}
|
|
|
|
if (!is_resource($this->lock_fp)) {
|
|
return $this->raiseError("could not create lock file" .
|
|
(isset($php_errormsg) ? ": " . $php_errormsg : ""));
|
|
}
|
|
if (!(int)flock($this->lock_fp, $mode)) {
|
|
switch ($mode) {
|
|
case LOCK_SH: $str = 'shared'; break;
|
|
case LOCK_EX: $str = 'exclusive'; break;
|
|
case LOCK_UN: $str = 'unlock'; break;
|
|
default: $str = 'unknown'; break;
|
|
}
|
|
return $this->raiseError("could not acquire $str lock ($this->lockfile)",
|
|
PEAR_REGISTRY_ERROR_LOCK);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _unlock()
|
|
|
|
function _unlock()
|
|
{
|
|
$ret = $this->_lock(LOCK_UN);
|
|
if (is_resource($this->lock_fp)) {
|
|
fclose($this->lock_fp);
|
|
}
|
|
$this->lock_fp = null;
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _packageExists()
|
|
|
|
function _packageExists($package)
|
|
{
|
|
return file_exists($this->_packageFileName($package));
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _packageInfo()
|
|
|
|
function _packageInfo($package = null, $key = null)
|
|
{
|
|
if ($package === null) {
|
|
return array_map(array($this, '_packageInfo'),
|
|
$this->_listPackages());
|
|
}
|
|
$fp = $this->_openPackageFile($package, 'r');
|
|
if ($fp === null) {
|
|
return null;
|
|
}
|
|
$rt = get_magic_quotes_runtime();
|
|
set_magic_quotes_runtime(0);
|
|
$data = fread($fp, filesize($this->_packageFileName($package)));
|
|
set_magic_quotes_runtime($rt);
|
|
$this->_closePackageFile($fp);
|
|
$data = unserialize($data);
|
|
if ($key === null) {
|
|
return $data;
|
|
}
|
|
if (isset($data[$key])) {
|
|
return $data[$key];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _listPackages()
|
|
|
|
function _listPackages()
|
|
{
|
|
$pkglist = array();
|
|
$dp = @opendir($this->statedir);
|
|
if (!$dp) {
|
|
return $pkglist;
|
|
}
|
|
while ($ent = readdir($dp)) {
|
|
if ($ent{0} == '.' || substr($ent, -4) != '.reg') {
|
|
continue;
|
|
}
|
|
$pkglist[] = substr($ent, 0, -4);
|
|
}
|
|
return $pkglist;
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ packageExists()
|
|
|
|
function packageExists($package)
|
|
{
|
|
if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
|
|
return $e;
|
|
}
|
|
$ret = $this->_packageExists($package);
|
|
$this->_unlock();
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ packageInfo()
|
|
|
|
function packageInfo($package = null, $key = null)
|
|
{
|
|
if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
|
|
return $e;
|
|
}
|
|
$ret = $this->_packageInfo($package, $key);
|
|
$this->_unlock();
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ listPackages()
|
|
|
|
function listPackages()
|
|
{
|
|
if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
|
|
return $e;
|
|
}
|
|
$ret = $this->_listPackages();
|
|
$this->_unlock();
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ addPackage()
|
|
|
|
function addPackage($package, $info)
|
|
{
|
|
if ($this->packageExists($package)) {
|
|
return false;
|
|
}
|
|
if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
|
|
return $e;
|
|
}
|
|
$fp = $this->_openPackageFile($package, 'wb');
|
|
if ($fp === null) {
|
|
$this->_unlock();
|
|
return false;
|
|
}
|
|
$info['_lastmodified'] = time();
|
|
fwrite($fp, serialize($info));
|
|
$this->_closePackageFile($fp);
|
|
$this->_unlock();
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ deletePackage()
|
|
|
|
function deletePackage($package)
|
|
{
|
|
if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
|
|
return $e;
|
|
}
|
|
$file = $this->_packageFileName($package);
|
|
$ret = @unlink($file);
|
|
$this->rebuildFileMap();
|
|
$this->_unlock();
|
|
return $ret;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ updatePackage()
|
|
|
|
function updatePackage($package, $info, $merge = true)
|
|
{
|
|
$oldinfo = $this->packageInfo($package);
|
|
if (empty($oldinfo)) {
|
|
return false;
|
|
}
|
|
if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
|
|
return $e;
|
|
}
|
|
$fp = $this->_openPackageFile($package, 'w');
|
|
if ($fp === null) {
|
|
$this->_unlock();
|
|
return false;
|
|
}
|
|
$info['_lastmodified'] = time();
|
|
if ($merge) {
|
|
fwrite($fp, serialize(array_merge($oldinfo, $info)));
|
|
} else {
|
|
fwrite($fp, serialize($info));
|
|
}
|
|
$this->_closePackageFile($fp);
|
|
if (isset($info['filelist'])) {
|
|
$this->rebuildFileMap();
|
|
}
|
|
$this->_unlock();
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ checkFileMap()
|
|
|
|
/**
|
|
* Test whether a file belongs to a package.
|
|
*
|
|
* @param string $path file path, absolute or relative to the pear
|
|
* install dir
|
|
*
|
|
* @return string which package the file belongs to, or an empty
|
|
* string if the file does not belong to an installed package
|
|
*
|
|
* @access public
|
|
*/
|
|
function checkFileMap($path)
|
|
{
|
|
if (is_array($path)) {
|
|
static $notempty;
|
|
if (empty($notempty)) {
|
|
$notempty = create_function('$a','return !empty($a);');
|
|
}
|
|
$pkgs = array();
|
|
foreach ($path as $name => $attrs) {
|
|
if (is_array($attrs) && isset($attrs['baseinstalldir'])) {
|
|
$name = $attrs['baseinstalldir'].DIRECTORY_SEPARATOR.$name;
|
|
}
|
|
$pkgs[$name] = $this->checkFileMap($name);
|
|
}
|
|
return array_filter($pkgs, $notempty);
|
|
}
|
|
if (empty($this->filemap_cache) && PEAR::isError($this->readFileMap())) {
|
|
return $err;
|
|
}
|
|
if (isset($this->filemap_cache[$path])) {
|
|
return $this->filemap_cache[$path];
|
|
}
|
|
$l = strlen($this->install_dir);
|
|
if (substr($path, 0, $l) == $this->install_dir) {
|
|
$path = preg_replace('!^'.DIRECTORY_SEPARATOR.'+!', '', substr($path, $l));
|
|
}
|
|
if (isset($this->filemap_cache[$path])) {
|
|
return $this->filemap_cache[$path];
|
|
}
|
|
return '';
|
|
}
|
|
|
|
// }}}
|
|
|
|
}
|
|
|
|
?>
|