Rev 420 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | RSS feed
<?php
# ***** BEGIN LICENSE BLOCK *****
# This file is part of DotClear.
# Copyright (c) 2004 Olivier Meunier and contributors. All rights
# reserved.
#
# DotClear is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# DotClear is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DotClear; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ***** END LICENSE BLOCK *****
/*
Classe de gestion des plugins et des thèmes
*/
class plugins
{
var $location;
var $type;
var $_xml;
var $p_list = array();
function plugins($location,$type='plugin')
{
if (is_dir($location)) {
$this->location = $location.'/';
} else {
$this->location = NULL;
}
$this->type = $type;
}
function getPlugins($active_only=true)
{
if (($list_files = $this->_readDir()) !== false)
{
$this->p_list = array();
foreach ($list_files as $entry => $pfile)
{
if (($info = $this->_getPluginInfo($pfile)) !== false) {
if (($active_only && $info['active']) || !$active_only) {
$this->p_list[$entry] = $info;
}
}
}
ksort($this->p_list);
return true;
}
else
{
return false;
}
}
function getPluginsList()
{
return $this->p_list;
}
function getFunctions($f='functions.php')
{
$res = array();
if (($list_files = $this->_readDir()) !== false)
{
foreach ($list_files as $entry => $pfile)
{
if (file_exists(dirname($pfile).'/'.$f)) {
$res[] = dirname($pfile).'/'.$f;
}
}
}
return $res;
}
function loadCallbacks()
{
$res['onPost'] = array();
$ires = array_keys($res);
foreach ($this->p_list as $k => $v)
{
# Chargement des fichiers events.php
if (file_exists($this->location.$k.'/events.php'))
{
require_once $this->location.$k.'/events.php';
foreach ($v['callbacks'] as $f)
{
if (in_array($f[0],$ires))
{
$pf = explode('::',$f[1]);
if (count($pf) == 2 && is_callable($pf)) {
$res[$f[0]][] = $pf;
}
}
}
}
}
return $res;
}
function loadl10n($p)
{
if (defined('DC_LANG')) {
if (dc_encoding == 'UTF-8') {
l10n::set($this->location.$p.'/l10n/'.DC_LANG.'-utf8/main');
} else {
l10n::set($this->location.$p.'/l10n/'.DC_LANG.'/main');
}
}
}
function switchStatus($p)
{
$xml_path = $this->location.$p.'/desc.xml';
$p_info = $this->_getPluginInfo($xml_path);
$xml = implode('',file($xml_path));
$active = (integer) !$p_info['active'];
$xml = preg_replace('|(<'.$this->type.'[^>]*?active=)"([^"]+)([^>]*>)|ms',
'$1"'.$active.'$3',$xml);
if (!files::putContent($xml_path,$xml)) {
return false;
}
return true;
}
/* Installation d'un plugin */
function install($url)
{
$dest = $this->location.'/'.basename($url);
if ((!file_exists($dest)) && ($err = files::copyRemote($url,$dest) !== true)) {
return $err;
}
else
{
if (($content = @implode('',@gzfile($dest))) === false) {
return __('Cannot open file');
} else {
if (($list = unserialize($content)) === false)
{
return __('Plugin not valid');
}
else
{
if (is_dir($this->location.'/'.$list['name']))
{
/*if (files::deltree($this->location.'/'.$list['name']) === false)
{
return 'Impossible de supprimer le plugin existant';
}*/
unlink($dest);
return __('This plugin still exists. Delete it before.');
}
foreach ($list['dirs'] as $d)
{
mkdir ($this->location.'/'.$d,fileperms($this->location));
chmod($this->location.'/'.$d,fileperms($this->location));
}
foreach ($list['files'] as $f => $v)
{
$v = base64_decode($v);
$fp = fopen($this->location.'/'.$f,'w');
fwrite($fp,$v,strlen($v));
fclose($fp);
chmod($this->location.'/'.$f,fileperms($this->location) & ~0111);
}
unlink($dest);
}
}
}
return true;
}
/* Lecture d'un répertoire à la recherche des desc.xml */
function _readDir()
{
if ($this->location === NULL) {
return false;
}
$res = array();
$d = dir($this->location);
# Liste du répertoire des plugins
while (($entry = $d->read()) !== false)
{
if ($entry != '.' && $entry != '..' &&
is_dir($this->location.$entry) && file_exists($this->location.$entry.'/desc.xml'))
{
$res[$entry] = $this->location.$entry.'/desc.xml';
}
}
return $res;
}
function _getPluginInfo($p)
{
if (file_exists($p))
{
$this->_current_tag_cdata = '';
$this->_p_info = array('name'=>NULL,'version'=>NULL,
'active'=>NULL,'author'=>NULL,'label'=>NULL,
'desc'=>NULL,'callbacks'=>array());
$this->_xml = xml_parser_create('ISO-8859-1');
xml_parser_set_option($this->_xml, XML_OPTION_CASE_FOLDING, false);
xml_set_object($this->_xml, $this);
xml_set_element_handler($this->_xml,'_openTag','_closeTag');
xml_set_character_data_handler($this->_xml, '_cdata');
xml_parse($this->_xml,implode('',file($p)));
xml_parser_free($this->_xml);
if (!empty($this->_p_info['name'])) {
return $this->_p_info;
} else {
return false;
}
}
}
function _openTag($p,$tag,$attr)
{
if ($tag == $this->type && !empty($attr['name']))
{
$this->_p_info['name'] = $attr['name'];
$this->_p_info['version'] = (!empty($attr['version'])) ? $attr['version'] : NULL;
$this->_p_info['active'] = (!empty($attr['active'])) ? (boolean) $attr['active'] : false;
}
if ($tag == 'callback') {
$this->_p_info['callbacks'][] = array($attr['event'],$attr['function']);
}
}
function _closeTag($p,$tag)
{
switch ($tag)
{
case 'author':
case 'label':
case 'desc':
$this->_p_info[$tag] = $this->_current_tag_cdata;
break;
}
}
function _cdata($p,$cdata)
{
$this->_current_tag_cdata = $cdata;
}
}
?>