rhymix/classes/context/Context.class.php
2012-10-18 07:55:57 +00:00

1849 lines
49 KiB
PHP

<?php
define('FOLLOW_REQUEST_SSL',0);
define('ENFORCE_SSL',1);
define('RELEASE_SSL',2);
/**
* Manages Context such as request arguments/environment variables
* It has dual method structure, easy-to use methods which can be called as Context::methodname(),and methods called with static object.
*
* @author NHN (developers@xpressengine.com)
*/
class Context {
/**
* Allow rewrite
* @var bool true: using rewrite mod, false: otherwise
*/
var $allow_rewrite = false;
/**
* Request method
* @var string GET|POST|XMLRPC
*/
var $request_method = 'GET';
/**
* Response method.If it's not set, it follows request method.
* @var string HTML|XMLRPC
*/
var $response_method = '';
/**
* Conatins request parameters and environment variables
* @var object
*/
var $context = NULL;
/**
* DB info
* @var object
*/
var $db_info = NULL;
/**
* FTP info
* @var object
*/
var $ftp_info = NULL;
/**
* ssl action cache file
* @var array
*/
var $sslActionCacheFile = './files/cache/sslCacheFile.php';
/**
* List of actions to be sent via ssl (it is used by javascript xml handler for ajax)
* @var array
*/
var $ssl_actions = array();
/**
* obejct oFrontEndFileHandler()
* @var object
*/
var $oFrontEndFileHandler;
/**
* script codes in <head>..</head>
* @var string
*/
var $html_header = NULL;
/**
* class names of <body>
* @var array
*/
var $body_class = array();
/**
* codes after <body>
* @var string
*/
var $body_header = NULL;
/**
* class names before </body>
* @var string
*/
var $html_footer = NULL;
/**
* path of Xpress Engine
* @var string
*/
var $path = '';
// language information - it is changed by HTTP_USER_AGENT or user's cookie
/**
* language type
* @var string
*/
var $lang_type = '';
/**
* contains language-specific data
* @var object
*/
var $lang = NULL;
/**
* list of loaded languages (to avoid re-loading them)
* @var array
*/
var $loaded_lang_files = array();
/**
* site's browser title
* @var string
*/
var $site_title = '';
/**
* variables from GET or form submit
* @var mixed
*/
var $get_vars = NULL;
/**
* Checks uploaded
* @var bool true if attached file exists
*/
var $is_uploaded = false;
/**
* returns static context object (Singleton). It's to use Context without declaration of an object
*
* @return object Instance
*/
function &getInstance() {
static $theInstance = null;
if(!$theInstance) $theInstance = new Context();
// include ssl action cache file
$theInstance->sslActionCacheFile = FileHandler::getRealPath($theInstance->sslActionCacheFile);
if(is_readable($theInstance->sslActionCacheFile))
{
require_once($theInstance->sslActionCacheFile);
if(isset($sslActions))
{
$theInstance->ssl_actions = $sslActions;
}
}
return $theInstance;
}
/**
* Cunstructor
*
* @return void
*/
function Context()
{
$this->oFrontEndFileHandler = new FrontEndFileHandler();
}
/**
* Initialization, it sets DB information, request arguments and so on.
*
* @see This function should be called only once
* @return void
*/
function init() {
// set context variables in $GLOBALS (to use in display handler)
$this->context = &$GLOBALS['__Context__'];
$this->context->lang = &$GLOBALS['lang'];
$this->context->_COOKIE = $_COOKIE;
$this->setRequestMethod('');
$this->_setXmlRpcArgument();
$this->_setJSONRequestArgument();
$this->_setRequestArgument();
$this->_setUploadedArgument();
$this->loadDBInfo();
// If XE is installed, get virtual site information
if(Context::isInstalled()) {
$oModuleModel = &getModel('module');
$site_module_info = $oModuleModel->getDefaultMid();
// if site_srl of site_module_info is 0 (default site), compare the domain to default_url of db_config
if($site_module_info->site_srl == 0 && $site_module_info->domain != $this->db_info->default_url) {
$site_module_info->domain = $this->db_info->default_url;
}
$this->set('site_module_info', $site_module_info);
if($site_module_info->site_srl && isSiteID($site_module_info->domain)) $this->set('vid', $site_module_info->domain, true);
$this->db_info->lang_type = $site_module_info->default_language;
if(!$this->db_info->lang_type) $this->db_info->lang_type = 'en';
if(!$this->db_info->use_db_session) $this->db_info->use_db_session = 'N';
}
// Load Language File
$lang_supported = $this->loadLangSelected();
// Retrieve language type set in user's cookie
if($this->get('l')) {
$this->lang_type = $this->get('l');
if($_COOKIE['lang_type'] != $this->lang_type) {
setcookie('lang_type', $this->lang_type, time()+3600*24*1000, '/');
}
} elseif($_COOKIE['lang_type']) {
$this->lang_type = $_COOKIE['lang_type'];
}
// If it's not exists, follow default language type set in db_info
if(!$this->lang_type) $this->lang_type = $this->db_info->lang_type;
// if still lang_type has not been set or has not-supported type , set as English.
if(!$this->lang_type) $this->lang_type = 'en';
if(is_array($lang_supported)&&!isset($lang_supported[$this->lang_type])) $this->lang_type = 'en';
$this->set('lang_supported', $lang_supported);
$this->setLangType($this->lang_type);
// load module module's language file according to language setting
$this->loadLang(_XE_PATH_.'modules/module/lang');
// set session handler
if(Context::isInstalled() && $this->db_info->use_db_session == 'Y') {
$oSessionModel = &getModel('session');
$oSessionController = &getController('session');
session_set_save_handler(
array(&$oSessionController, 'open'),
array(&$oSessionController, 'close'),
array(&$oSessionModel, 'read'),
array(&$oSessionController, 'write'),
array(&$oSessionController, 'destroy'),
array(&$oSessionController, 'gc')
);
}
session_start();
if($sess=$_POST[session_name()]) session_id($sess);
// set authentication information in Context and session
if(Context::isInstalled()) {
$oModuleModel = &getModel('module');
$oModuleModel->loadModuleExtends();
$oMemberModel = &getModel('member');
$oMemberController = &getController('member');
if($oMemberController && $oMemberModel)
{
// if signed in, validate it.
if($oMemberModel->isLogged()) {
$oMemberController->setSessionInfo();
}
elseif($_COOKIE['xeak']) { // check auto sign-in
$oMemberController->doAutologin();
}
$this->set('is_logged', $oMemberModel->isLogged() );
$this->set('logged_info', $oMemberModel->getLoggedInfo() );
}
}
// load common language file
$this->lang = &$GLOBALS['lang'];
$this->loadLang(_XE_PATH_.'common/lang/');
// check if using rewrite module
if(file_exists(_XE_PATH_.'.htaccess')&&$this->db_info->use_rewrite == 'Y') $this->allow_rewrite = true;
else $this->allow_rewrite = false;
// set locations for javascript use
if($_SERVER['REQUEST_METHOD'] == 'GET') {
if($this->get_vars) {
foreach($this->get_vars as $key=>$val) {
if(is_array($val)&&count($val)) {
foreach($val as $k => $v) {
$url .= ($url?'&':'').$key.'['.$k.']='.urlencode($v);
}
} elseif ($val) {
$url .= ($url?'&':'').$key.'='.urlencode($val);
}
}
$this->set('current_url',sprintf('%s?%s', Context::getRequestUri(), $url));
} else {
$this->set('current_url',$this->getUrl());
}
} else {
$this->set('current_url',Context::getRequestUri());
}
$this->set('request_uri',Context::getRequestUri());
}
/**
* Finalize using resources, such as DB connection
*
* @return void
*/
function close() {
// Session Close
if(function_exists('session_write_close')) session_write_close();
// DB close
$oDB = &DB::getInstance();
if(is_object($oDB)&&method_exists($oDB, 'close')) $oDB->close();
}
/**
* Load the database information
*
* @return void
*/
function loadDBInfo() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!$self->isInstalled()) return;
$config_file = $self->getConfigFile();
if(is_readable($config_file)) @include($config_file);
// If master_db information does not exist, the config file needs to be updated
if(!isset($db_info->master_db)) {
$db_info->master_db = array();
$db_info->master_db["db_type"] = $db_info->db_type; unset($db_info->db_type);
$db_info->master_db["db_port"] = $db_info->db_port; unset($db_info->db_port);
$db_info->master_db["db_hostname"] = $db_info->db_hostname; unset($db_info->db_hostname);
$db_info->master_db["db_password"] = $db_info->db_password; unset($db_info->db_password);
$db_info->master_db["db_database"] = $db_info->db_database; unset($db_info->db_database);
$db_info->master_db["db_userid"] = $db_info->db_userid; unset($db_info->db_userid);
$db_info->master_db["db_table_prefix"] = $db_info->db_table_prefix; unset($db_info->db_table_prefix);
if(substr($db_info->master_db["db_table_prefix"],-1)!='_') $db_info->master_db["db_table_prefix"] .= '_';
$slave_db = $db_info->master_db;
$db_info->slave_db = array($slave_db);
$self->setDBInfo($db_info);
$oInstallController = &getController('install');
$oInstallController->makeConfigFile();
}
if(!$db_info->use_prepared_statements)
{
$db_info->use_prepared_statements = 'Y';
}
if(!$db_info->time_zone) $db_info->time_zone = date('O');
$GLOBALS['_time_zone'] = $db_info->time_zone;
if($db_info->qmail_compatibility != 'Y') $db_info->qmail_compatibility = 'N';
$GLOBALS['_qmail_compatibility'] = $db_info->qmail_compatibility;
if(!$db_info->use_db_session) $db_info->use_db_session = 'N';
if(!$db_info->use_ssl) $db_info->use_ssl = 'none';
$this->set('_use_ssl', $db_info->use_ssl);
if($db_info->http_port) $self->set('_http_port', $db_info->http_port);
if($db_info->https_port) $self->set('_https_port', $db_info->https_port);
$self->setDBInfo($db_info);
}
/**
* Get DB's db_type
*
* @return string DB's db_type
*/
function getDBType() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->db_info->master_db["db_type"];
}
/**
* Set DB information
*
* @param object $db_info DB information
* @return void
*/
function setDBInfo($db_info) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->db_info = $db_info;
}
/**
* Get DB information
*
* @return object DB information
*/
function getDBInfo() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->db_info;
}
/**
* Return ssl status
*
* @return object SSL status (Optional - none|always|optional)
*/
function getSslStatus()
{
$dbInfo = Context::getDBInfo();
return $dbInfo->use_ssl;
}
/**
* Return default URL
*
* @return string Default URL
*/
function getDefaultUrl() {
$db_info = Context::getDBInfo();
return $db_info->default_url;
}
/**
* Find supported languages
*
* @return array Supported languages
*/
function loadLangSupported() {
static $lang_supported = null;
if(!$lang_supported) {
$langs = file(_XE_PATH_.'common/lang/lang.info');
foreach($langs as $val) {
list($lang_prefix, $lang_text) = explode(',',$val);
$lang_text = trim($lang_text);
$lang_supported[$lang_prefix] = $lang_text;
}
}
return $lang_supported;
}
/**
* Find selected languages to serve in the site
*
* @return array Selected languages
*/
function loadLangSelected() {
static $lang_selected = null;
if(!$lang_selected) {
$orig_lang_file = _XE_PATH_.'common/lang/lang.info';
$selected_lang_file = _XE_PATH_.'files/config/lang_selected.info';
if(!FileHandler::hasContent($selected_lang_file)) {
$old_selected_lang_file = _XE_PATH_.'files/cache/lang_selected.info';
FileHandler::moveFile($old_selected_lang_file, $selected_lang_file);
}
if(!FileHandler::hasContent($selected_lang_file)) {
$buff = FileHandler::readFile($orig_lang_file);
FileHandler::writeFile($selected_lang_file, $buff);
$lang_selected = Context::loadLangSupported();
} else {
$langs = file($selected_lang_file);
foreach($langs as $val) {
list($lang_prefix, $lang_text) = explode(',',$val);
$lang_text = trim($lang_text);
$lang_selected[$lang_prefix] = $lang_text;
}
}
}
return $lang_selected;
}
/**
* Single Sign On (SSO)
*
* @return bool True : Module handling is necessary in the control path of current request , False : Otherwise
*/
function checkSSO() {
// pass if it's not GET request or XE is not yet installed
if($this->db_info->use_sso != 'Y' || isCrawler()) return true;
$checkActList = array('rss'=>1, 'atom'=>1);
if(Context::getRequestMethod()!='GET' || !Context::isInstalled() || isset($checkActList[Context::get('act')])) return true;
// pass if default URL is not set
$default_url = trim($this->db_info->default_url);
if(!$default_url) return true;
if(substr($default_url,-1)!='/') $default_url .= '/';
// for sites recieving SSO valdiation
if($default_url == Context::getRequestUri()) {
if(Context::get('default_url')) {
$url = base64_decode(Context::get('default_url'));
$url_info = parse_url($url);
$url_info['query'].= ($url_info['query']?'&':'').'SSOID='.session_id();
$redirect_url = sprintf('%s://%s%s%s?%s',$url_info['scheme'],$url_info['host'],$url_info['port']?':'.$url_info['port']:'',$url_info['path'], $url_info['query']);
header('location:'.$redirect_url);
return false;
}
// for sites requesting SSO validation
} else {
// result handling : set session_name()
if(Context::get('SSOID')) {
$session_name = Context::get('SSOID');
setcookie(session_name(), $session_name);
$url = preg_replace('/([\?\&])$/','',str_replace('SSOID='.$session_name,'',Context::getRequestUrl()));
header('location:'.$url);
return false;
// send SSO request
} else if($_COOKIE['sso']!=md5(Context::getRequestUri()) && !Context::get('SSOID')) {
setcookie('sso',md5(Context::getRequestUri()),0,'/');
$url = sprintf("%s?default_url=%s", $default_url, base64_encode(Context::getRequestUrl()));
header('location:'.$url);
return false;
}
}
return true;
}
/**
* Check if FTP info is registered
*
* @return bool True: FTP information is registered, False: otherwise
*/
function isFTPRegisted() {
$ftp_config_file = Context::getFTPConfigFile();
if(file_exists($ftp_config_file)) return true;
return false;
}
/**
* Get FTP information
*
* @return object FTP information
*/
function getFTPInfo() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!$self->isFTPRegisted()) return null;
$ftp_config_file = $self->getFTPConfigFile();
@include($ftp_config_file);
return $ftp_info;
}
/**
* Add string to browser title
*
* @param string $site_title Browser title to be added
* @return void
*/
function addBrowserTitle($site_title) {
if(!$site_title) return;
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if($self->site_title) $self->site_title .= ' - '.$site_title;
else $self->site_title = $site_title;
}
/**
* Set string to browser title
*
* @param string $site_title Browser title to be set
* @return void
*/
function setBrowserTitle($site_title) {
if(!$site_title) return;
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->site_title = $site_title;
}
/**
* Get browser title
*
* @return string Browser title(htmlspecialchars applied)
*/
function getBrowserTitle() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$oModuleController = &getController('module');
$oModuleController->replaceDefinedLangCode($self->site_title);
return htmlspecialchars($self->site_title);
}
/**
* Get browser title
* @deprecated
*/
function _getBrowserTitle() { return $this->getBrowserTitle(); }
/**
* Load language file according to language type
*
* @param string $path Path of the language file
* @return void
*/
function loadLang($path) {
global $lang;
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!is_object($lang)) $lang = new stdClass;
if(!$self->lang_type) return;
$filename = $self->_loadXmlLang($path);
if(!$filename) $filename = $self->_loadPhpLang($path);
if(!is_array($self->loaded_lang_files)) $self->loaded_lang_files = array();
if(in_array($filename, $self->loaded_lang_files)) return;
if ($filename && is_readable($filename)){
$self->loaded_lang_files[] = $filename;
@include($filename);
}else{
$self->_evalxmlLang($path);
}
}
/**
* Evaluation of xml language file
*
* @param string Path of the language file
* @return void
*/
function _evalxmlLang($path) {
global $lang;
$_path = 'eval://'.$path;
if(in_array($_path, $this->loaded_lang_files)) return;
if(substr($path,-1)!='/') $path .= '/';
$file = $path.'lang.xml';
$oXmlLangParser = new XmlLangParser($file, $this->lang_type);
$content = $oXmlLangParser->getCompileContent();
if ($content){
$this->loaded_lang_files[] = $_path;
eval($content);
}
}
/**
* Load language file of xml type
*
* @param string $path Path of the language file
* @return string file name
*/
function _loadXmlLang($path) {
if(substr($path,-1)!='/') $path .= '/';
$file = $path.'lang.xml';
$oXmlLangParser = new XmlLangParser($file, $this->lang_type);
$file = $oXmlLangParser->compile();
return $file;
}
/**
* Load language file of php type
*
* @param string $path Path of the language file
* @return string file name
*/
function _loadPhpLang($path) {
if(substr($path,-1)!='/') $path .= '/';
$path_tpl = $path.'%s.lang.php';
$file = sprintf($path_tpl, $this->lang_type);
$langs = array('ko','en'); // this will be configurable.
while(!is_readable($file) && $langs[0]) {
$file = sprintf($path_tpl, array_shift($langs));
}
if(!is_readable($file)) return false;
return $file;
}
/**
* Set lang_type
*
* @param string $lang_type Language type.
* @return void
*/
function setLangType($lang_type = 'ko') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->lang_type = $lang_type;
$self->set('lang_type', $lang_type);
$_SESSION['lang_type'] = $lang_type;
}
/**
* Get lang_type
*
* @return string Language type
*/
function getLangType() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->lang_type;
}
/**
* Return string accoring to the inputed code
*
* @param string $code Language variable name
* @return string If string for the code exists returns it, otherwise returns original code
*/
function getLang($code) {
if(!$code) return;
if($GLOBALS['lang']->{$code}) return $GLOBALS['lang']->{$code};
return $code;
}
/**
* Set data to lang variable
*
* @param string $code Language variable name
* @param string $val `$code`s value
* @return void
*/
function setLang($code, $val) {
$GLOBALS['lang']->{$code} = $val;
}
/**
* Convert strings of variables in $source_object into UTF-8
*
* @param object $source_obj Conatins strings to convert
* @return object converted object
*/
function convertEncoding($source_obj) {
$charset_list = array(
'UTF-8', 'EUC-KR', 'CP949', 'ISO8859-1', 'EUC-JP', 'SHIFT_JIS', 'CP932',
'EUC-CN', 'HZ', 'GBK', 'GB18030', 'EUC-TW', 'BIG5', 'CP950', 'BIG5-HKSCS',
'ISO2022-CN', 'ISO2022-CN-EXT', 'ISO2022-JP', 'ISO2022-JP-2', 'ISO2022-JP-1',
'ISO8859-6', 'ISO8859-8', 'JOHAB', 'ISO2022-KR', 'CP1255', 'CP1256', 'CP862',
'ASCII', 'ISO8859-1', 'ISO8850-2', 'ISO8850-3', 'ISO8850-4', 'ISO8850-5',
'ISO8850-7', 'ISO8850-9', 'ISO8850-10', 'ISO8850-13', 'ISO8850-14',
'ISO8850-15', 'ISO8850-16', 'CP1250', 'CP1251', 'CP1252', 'CP1253', 'CP1254',
'CP1257', 'CP850', 'CP866',
);
$obj = clone($source_obj);
foreach($charset_list as $charset) {
$flag = true;
foreach($obj as $key=>$val) {
if(!$val) continue;
if(!is_array($val) && iconv($charset,$charset,$val)!=$val) $flag = false;
else if(is_array($val))
{
$userdata = array('charset1'=>$charset,'charset2'=>$charset,'useFlag'=>true);
Context::arrayConvWalkCallback($val,null,$userdata);
if($userdata['returnFlag'] === false) $flag = false;
}
}
if($flag) {
if($charset == 'UTF-8') return $obj;
foreach($obj as $key => $val)
{
if(!is_array($val)) $obj->{$key} = iconv($charset,'UTF-8',$val);
else Context::arrayConvWalkCallback($val,null,array($charset,'UTF-8'));
}
return $obj;
}
}
return $obj;
}
/**
* Convert array type variables into UTF-8
*
* @param mixed $val
* @param string $key
* @param mixed $userdata charset1 charset2 useFlag retrunFlag
* @see arrayConvWalkCallback will replaced array_walk_recursive in >=PHP5
* @return object converted object
*/
function arrayConvWalkCallback(&$val, $key = null, &$userdata)
{
if (is_array($val)) array_walk($val,'Context::arrayConvWalkCallback',&$userdata);
else
{
if(!$userdata['useFlag']) $val = iconv($userdata['charset1'],$userdata['charset2'],$val);
else
{
if(iconv($charset,$charset,$val)!=$val) $userdata['returnFlag'] = (bool)false;
}
}
}
/**
* Convert strings into UTF-8
*
* @param string $str String to convert
* @return string converted string
*/
function convertEncodingStr($str) {
$obj->str = $str;
$obj = Context::convertEncoding($obj);
return $obj->str;
}
/**
* Force to set response method
*
* @param string $method Response method. [HTML|XMLRPC|JSON]
* @return void
*/
function setResponseMethod($method='HTML') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$methods = array('HTML'=>1, 'XMLRPC'=>1, 'JSON'=>1, 'JS_CALLBACK' => 1);
$self->response_method = isset($methods[$method]) ? $method : 'HTML';
}
/**
* Get reponse method
*
* @return string Response method. If it's not set, returns request method.
*/
function getResponseMethod() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if($self->response_method) return $self->response_method;
$method = $self->getRequestMethod();
$methods = array('HTML'=>1, 'XMLRPC'=>1, 'JSON'=>1, 'JS_CALLBACK' => 1);
return isset($methods[$method]) ? $method : 'HTML';
}
/**
* Determine request method
*
* @param string $type Request method. (Optional - GET|POST|XMLRPC|JSON)
* @return void
*/
function setRequestMethod($type='') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$xe_js_callback = isset($_GET['xe_js_callback']) ? $_GET['xe_js_callback'] : $_POST['xe_js_callback'];
($type && $self->request_method=$type) or
(strpos($_SERVER['CONTENT_TYPE'],'json') && $self->request_method='JSON') or
($GLOBALS['HTTP_RAW_POST_DATA'] && $self->request_method='XMLRPC') or
($xe_js_callback && $self->request_method='JS_CALLBACK') or
($self->request_method = $_SERVER['REQUEST_METHOD']);
}
/**
* handle request areguments for GET/POST
*
* @return void
*/
function _setRequestArgument() {
if(!count($_REQUEST)) return;
foreach($_REQUEST as $key => $val) {
if($val === '' || Context::get($key)) continue;
$val = $this->_filterRequestVar($key, $val);
if($this->getRequestMethod()=='GET'&&isset($_GET[$key])) $set_to_vars = true;
elseif($this->getRequestMethod()=='POST'&&isset($_POST[$key])) $set_to_vars = true;
else $set_to_vars = false;
if($set_to_vars)
{
$val = preg_replace('/<\?/i', '', $val);
$val = preg_replace('/<\%/i', '', $val);
$val = preg_replace('/<script\s+language\s*=\s*("|\')php("|\')\s*>/ism', '', $val);
}
$this->set($key, $val, $set_to_vars);
}
}
/**
* Handle request arguments for JSON
*
* @return void
*/
function _setJSONRequestArgument() {
if($this->getRequestMethod() != 'JSON') return;
$params = array();
parse_str($GLOBALS['HTTP_RAW_POST_DATA'],$params);
foreach($params as $key => $val) {
$val = $this->_filterRequestVar($key, $val,0);
$this->set($key, $val, true);
}
}
/**
* Handle request arguments for XML RPC
*
* @return void
*/
function _setXmlRpcArgument() {
if($this->getRequestMethod() != 'XMLRPC') return;
$oXml = new XmlParser();
$xml_obj = $oXml->parse();
$params = $xml_obj->methodcall->params;
unset($params->node_name);
unset($params->attrs);
if(!count($params)) return;
foreach($params as $key => $obj) {
$val = $this->_filterRequestVar($key, $obj->body,0);
$this->set($key, $val, true);
}
}
/**
* Filter request variable
*
* @see Cast variables, such as _srl, page, and cpage, into interger
* @param string $key Variable key
* @param string $val Variable value
* @param string $do_stripslashes Whether to strip slashes
* @return mixed filtered value. Type are string or array
*/
function _filterRequestVar($key, $val, $do_stripslashes = 1) {
$isArray = TRUE;
if(!is_array($val))
{
$isArray = FALSE;
$val = array($val);
}
foreach($val as $k => $v)
{
if($key === 'page' || $key === 'cpage' || substr($key, -3) === 'srl')
{
$val[$k] = !preg_match('/^[0-9,]+$/', $v) ? (int)$v : $v;
}
elseif($key === 'mid' || $key === 'vid' || $key === 'search_keyword')
{
$val[$k] = htmlspecialchars($v);
}
else
{
if($do_stripslashes && version_compare(PHP_VERSION, '5.9.0', '<') && get_magic_quotes_gpc())
{
$v = stripslashes($v);
}
if(!is_array($v))
{
$val[$k] = trim($v);
}
}
}
if($isArray)
{
return $val;
}
else
{
return $val[0];
}
}
/**
* Check if there exists uploaded file
*
* @return bool True: exists, False: otherwise
*/
function isUploaded() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->is_uploaded;
}
/**
* Handle uploaded file
*
* @return void
*/
function _setUploadedArgument() {
if($this->getRequestMethod() != 'POST') return;
if(!preg_match('/multipart\/form-data/i',$_SERVER['CONTENT_TYPE'])) return;
if(!$_FILES) return;
foreach($_FILES as $key => $val) {
$tmp_name = $val['tmp_name'];
if(!is_array($tmp_name)){
if(!$tmp_name || !is_uploaded_file($tmp_name)) continue;
$val['name'] = htmlspecialchars($val['name']);
$this->set($key, $val, true);
$this->is_uploaded = true;
}else {
for($i=0;$i< count($tmp_name);$i++){
if($val['size'][$i] > 0){
$file['name']=$val['name'][$i];
$file['type']=$val['type'][$i];
$file['tmp_name']=$val['tmp_name'][$i];
$file['error']=$val['error'][$i];
$file['size']=$val['size'][$i];
$files[] = $file;
}
}
$this->set($key, $files, true);
}
}
}
/**
* Return request method
* @return string Request method type. (Optional - GET|POST|XMLRPC|JSON)
*/
function getRequestMethod() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->request_method;
}
/**
* Return request URL
* @return string request URL
*/
function getRequestUrl() {
static $url = null;
if(is_null($url)) {
$url = Context::getRequestUri();
if(count($_GET))
{
foreach($_GET as $key => $val)
{
$vars[] = $key . '=' . ($val ? urlencode(Context::convertEncodingStr($val)) : '');
}
$url .= '?' . join('&', $vars);
}
}
return $url;
}
/**
* Make URL with args_list upon request URL
*
* @param int $num_args Arguments nums
* @param array $args_list Argument list for set url
* @param string $domain Domain
* @param bool $encode If true, use url encode.
* @param bool $autoEncode If true, url encode automatically, detailed. Use this option, $encode value should be true
* @return string URL
*/
function getUrl($num_args=0, $args_list=array(), $domain = null, $encode = true, $autoEncode = false) {
static $site_module_info = null;
static $current_info = null;
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
// retrieve virtual site information
if(is_null($site_module_info)) $site_module_info = Context::get('site_module_info');
// If $domain is set, handle it (if $domain is vid type, remove $domain and handle with $vid)
if($domain && isSiteID($domain)) {
$vid = $domain;
$domain = '';
}
// If $domain, $vid are not set, use current site information
if(!$domain && !$vid) {
if($site_module_info->domain && isSiteID($site_module_info->domain)) $vid = $site_module_info->domain;
else $domain = $site_module_info->domain;
}
// if $domain is set, compare current URL. If they are same, remove the domain, otherwise link to the domain.
if($domain) {
$domain_info = parse_url($domain);
if(is_null($current_info)) $current_info = parse_url(($_SERVER['HTTPS']=='on'?'https':'http').'://'.$_SERVER['HTTP_HOST'].getScriptPath());
if($domain_info['host'].$domain_info['path']==$current_info['host'].$current_info['path']) {
unset($domain);
} else {
$domain = preg_replace('/^(http|https):\/\//i','', trim($domain));
if(substr($domain,-1) != '/') $domain .= '/';
}
}
$get_vars = null;
// If there is no GET variables or first argument is '' to reset variables
if(!$self->get_vars || $args_list[0]=='') {
// rearrange args_list
if(is_array($args_list) && $args_list[0]=='') array_shift($args_list);
} else {
// Otherwise, make GET variables into array
$get_vars = get_object_vars($self->get_vars);
}
// arrange args_list
for($i=0,$c=count($args_list);$i<$c;$i=$i+2) {
$key = $args_list[$i];
$val = trim($args_list[$i+1]);
// If value is not set, remove the key
if(!isset($val) || !strlen($val)) {
unset($get_vars[$key]);
continue;
}
// set new variables
$get_vars[$key] = $val;
}
// remove vid, rnd
unset($get_vars['rnd']);
if($vid) $get_vars['vid'] = $vid;
else unset($get_vars['vid']);
// for compatibility to lower versions
$act = $get_vars['act'];
$act_alias = array(
'dispMemberFriend'=>'dispCommunicationFriend',
'dispMemberMessages'=>'dispCommunicationMessages',
'dispDocumentAdminManageDocument'=>'dispDocumentManageDocument',
'dispModuleAdminSelectList'=>'dispModuleSelectList'
);
if($act_alias[$act]) $get_vars['act'] = $act_alias[$act];
// organize URL
$query = '';
if(count($get_vars)) {
// if using rewrite mod
if($self->allow_rewrite) {
$var_keys = array_keys($get_vars);
sort($var_keys);
$target = implode('.', $var_keys);
$act = $get_vars['act'];
$vid = $get_vars['vid'];
$mid = $get_vars['mid'];
$key = $get_vars['key'];
$srl = $get_vars['document_srl'];
$tmpArray = array('rss'=>1, 'atom'=>1, 'api'=>1);
$is_feed = isset($tmpArray[$act]);
$target_map = array(
'vid'=>$vid,
'mid'=>$mid,
'mid.vid'=>"$vid/$mid",
'entry.mid' =>"$mid/entry/".$get_vars['entry'],
'entry.mid.vid'=>"$vid/$mid/entry/".$get_vars['entry'],
'document_srl'=>$srl,
'document_srl.mid'=>"$mid/$srl",
'document_srl.vid'=>"$vid/$srl",
'document_srl.mid.vid'=>"$vid/$mid/$srl",
'act.mid' =>$is_feed?"$mid/$act":'',
'act.mid.vid'=>$is_feed?"$vid/$mid/$act":'',
'act.document_srl.key' =>($act=='trackback')?"$srl/$key/$act":'',
'act.document_srl.key.mid'=>($act=='trackback')?"$mid/$srl/$key/$act":'',
'act.document_srl.key.vid'=>($act=='trackback')?"$vid/$srl/$key/$act":'',
'act.document_srl.key.mid.vid'=>($act=='trackback')?"$vid/$mid/$srl/$key/$act":''
);
$query = $target_map[$target];
}
if(!$query) {
$queries = array();
foreach($get_vars as $key => $val) {
if(is_array($val) && count($val)) {
foreach($val as $k => $v) $queries[] = $key.'['.$k.']='.urlencode($v);
} else {
$queries[] = $key.'='.@urlencode($val);
}
}
if(count($queries)) $query = 'index.php?'.implode('&', $queries);
}
}
// If using SSL always
$_use_ssl = $self->get('_use_ssl');
if($_use_ssl == 'always') {
$query = $self->getRequestUri(ENFORCE_SSL, $domain).$query;
// optional SSL use
} elseif($_use_ssl == 'optional') {
$ssl_mode = RELEASE_SSL;
if($get_vars['act'] && $self->isExistsSSLAction($get_vars['act'])) $ssl_mode = ENFORCE_SSL;
$query = $self->getRequestUri($ssl_mode, $domain).$query;
// no SSL
} else {
// currently on SSL but target is not based on SSL
if($_SERVER['HTTPS']=='on' ) $query = $self->getRequestUri(ENFORCE_SSL, $domain).$query;
// if $domain is set
else if($domain) $query = $self->getRequestUri(FOLLOW_REQUEST_SSL, $domain).$query;
else $query = getScriptPath().$query;
}
if ($encode){
if($autoEncode){
$parsedUrl = parse_url($query);
parse_str($parsedUrl['query'], $output);
$encode_queries = array();
foreach($output as $key=>$value){
if (preg_match('/&([a-z]{2,}|#\d+);/', urldecode($value))){
$value = urlencode(htmlspecialchars_decode(urldecode($value)));
}
$encode_queries[] = $key.'='.$value;
}
$encode_query = implode('&', $encode_queries);
return htmlspecialchars($parsedUrl['path'].'?'.$encode_query);
}
else{
return htmlspecialchars($query);
}
}else{
return $query;
}
}
/**
* Return after removing an argument on the requested URL
*
* @param string $ssl_mode SSL mode
* @param string $domain Domain
* @retrun string converted URL
*/
function getRequestUri($ssl_mode = FOLLOW_REQUEST_SSL, $domain = null) {
static $url = array();
// HTTP Request가 아니면 패스
if(!isset($_SERVER['SERVER_PROTOCOL'])) return ;
if(Context::get('_use_ssl') == 'always') $ssl_mode = ENFORCE_SSL;
if($domain) $domain_key = md5($domain);
else $domain_key = 'default';
if(isset($url[$ssl_mode][$domain_key])) return $url[$ssl_mode][$domain_key];
$current_use_ssl = $_SERVER['HTTPS']=='on' ? true : false;
switch($ssl_mode) {
case FOLLOW_REQUEST_SSL: $use_ssl = $current_use_ssl; break;
case ENFORCE_SSL: $use_ssl = true; break;
case RELEASE_SSL: $use_ssl = false; break;
}
if($domain) {
$target_url = trim($domain);
if(substr($target_url,-1) != '/') $target_url.= '/';
} else {
$target_url= $_SERVER['HTTP_HOST'].getScriptPath();
}
$url_info = parse_url('http://'.$target_url);
if($current_use_ssl != $use_ssl)
{
unset($url_info['port']);
}
if($use_ssl) {
$port = Context::get('_https_port');
if($port && $port != 443) $url_info['port'] = $port;
elseif($url_info['port']==443) unset($url_info['port']);
} else {
$port = Context::get('_http_port');
if($port && $port != 80) $url_info['port'] = $port;
elseif($url_info['port']==80) unset($url_info['port']);
}
$url[$ssl_mode][$domain_key] = sprintf('%s://%s%s%s',$use_ssl?'https':$url_info['scheme'], $url_info['host'], $url_info['port']&&$url_info['port']!=80?':'.$url_info['port']:'',$url_info['path']);
return $url[$ssl_mode][$domain_key];
}
/**
* Set a context value with a key
*
* @param string $key Key
* @param string $val Value
* @param mixed $set_to_get_vars If not false, Set to get vars.
* @return void
*/
function set($key, $val, $set_to_get_vars=0) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->context->{$key} = $val;
if($set_to_get_vars === false) return;
if($val === NULL || $val === '')
{
unset($self->get_vars->{$key});
return;
}
if($set_to_get_vars || $self->get_vars->{$key}) $self->get_vars->{$key} = $val;
}
/**
* Return key's value
*
* @param string $key Key
* @return string Key
*/
function get($key) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!isset($self->context->{$key})) return null;
return $self->context->{$key};
}
/**
* Get one more vars in object vars with given arguments(key1, key2, key3,...)
*
* @return object
*/
function gets() {
$num_args = func_num_args();
if($num_args<1) return;
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$args_list = func_get_args();
foreach($args_list as $v) {
$output->{$v} = $self->get($v);
}
return $output;
}
/**
* Return all data
*
* @return object All data
*/
function getAll() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->context;
}
/**
* Return values from the GET/POST/XMLRPC
*
* @return Object Request variables.
*/
function getRequestVars() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if($self->get_vars) return clone($self->get_vars);
return new stdClass;
}
/**
* Register if actions is to be encrypted by SSL. Those actions are sent to https in common/js/xml_handler.js
*
* @param string $action act name
* @return void
*/
function addSSLAction($action)
{
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!is_readable($self->sslActionCacheFile))
{
$buff = '<?php if(!defined("__XE__"))exit;';
FileHandler::writeFile($self->sslActionCacheFile, $buff);
}
if(!isset($self->ssl_actions[$action]))
{
$sslActionCacheString = sprintf('$sslActions[\'%s\'] = 1;', $action);
FileHandler::writeFile($self->sslActionCacheFile, $sslActionCacheString, 'a');
}
}
/**
* Get SSL Action
*
* @return string act
*/
function getSSLActions() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->ssl_actions;
}
/**
* Check SSL action are existed
*
* @param string $action act name
* @return bool If SSL exists, return true.
*/
function isExistsSSLAction($action) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return isset($self->ssl_actions[$action]);
}
/**
* Normalize file path
*
* @deprecated
* @param string $file file path
* @return string normalized file path
*/
function normalizeFilePath($file) {
if(strpos($file,'://')===false && $file{0}!='/' && $file{0}!='.') $file = './'.$file;
$file = preg_replace('@/\./|(?<!:)\/\/@', '/', $file);
while(strpos($file,'/../')) $file = preg_replace('/\/([^\/]+)\/\.\.\//s','/',$file,1);
return $file;
}
/**
* Get abstract file url
*
* @deprecated
* @param string $file file path
* @return string Converted file path
*/
function getAbsFileUrl($file) {
$file = Context::normalizeFilePath($file);
if(strpos($file,'./')===0) $file = dirname($_SERVER['SCRIPT_NAME']).'/'.substr($file,2);
elseif(strpos($file,'../')===0) $file = Context::normalizeFilePath(dirname($_SERVER['SCRIPT_NAME'])."/{$file}");
return $file;
}
/**
* Load front end file
*
* @param array $args array
* case js :
* $args[0]: file name,
* $args[1]: type (head | body),
* $args[2]: target IE,
* $args[3]: index
* case css :
* $args[0]: file name,
* $args[1]: media,
* $args[2]: target IE,
* $args[3]: index
* @param bool $useCdn use cdn
* @param string $cdnPrefix cdn prefix
* @param string $cdnVersion cdn version
*
*/
function loadFile($args, $useCdn = false, $cdnPrefix = '', $cdnVersion = '')
{
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if ($useCdn && !$cdnPrefix)
{
$cdnPrefix = __XE_CDN_PREFIX__;
$cdnVersion = __XE_CDN_VERSION__;
}
$self->oFrontEndFileHandler->loadFile($args, $useCdn, $cdnPrefix, $cdnVersion);
}
/**
* Unload front end file
*
* @param string $file File name with path
* @param string $targetIe Target IE
* @param string $media Media query
* @return void
*/
function unloadFile($file, $targetIe = '', $media = 'all')
{
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadFile($file, $targetIe, $media);
}
/**
* Unload front end file all
*
* @param string $type Unload target (optional - all|css|js)
* @return void
*/
function unloadAllFiles($type = 'all')
{
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadAllFiles($type);
}
/**
* Add the js file
*
* @deprecated
* @param string $file File name with path
* @param string $optimized optimized (That seems to not use)
* @param string $targetie target IE
* @param string $index index
* @param string $type Added position. (head:<head>..</head>, body:<body>..</body>)
* @param bool $isRuleset Use ruleset
* @param string $autoPath If path not readed, set the path automatically.
* @return void
*/
function addJsFile($file, $optimized = false, $targetie = '',$index=0, $type='head', $isRuleset = false, $autoPath = null) {
if($isRuleset)
{
if (strpos($file, '#') !== false){
$file = str_replace('#', '', $file);
if (!is_readable($file)) $file = $autoPath;
}
$validator = new Validator($file);
$validator->setCacheDir('files/cache');
$file = $validator->getJsPath();
}
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->loadFile(array($file, $type, $targetie, $index));
}
/**
* Remove the js file
*
* @deprecated
* @param string $file File name with path
* @param string $optimized optimized (That seems to not use)
* @param string $targetie target IE
* @return void
*/
function unloadJsFile($file, $optimized = false, $targetie = '') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadFile($file, $targetie);
}
/**
* Unload all javascript files
*
* @return void
*/
function unloadAllJsFiles() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadAllFiles('js');
}
/**
* Add javascript filter
*
* @param string $path File path
* @param string $filename File name
* @return void
*/
function addJsFilter($path, $filename) {
$oXmlFilter = new XmlJSFilter($path, $filename);
$oXmlFilter->compile();
}
/**
* Same as array_unique but works only for file subscript
*
* @deprecated
* @param array $files File list
* @return array File list
*/
function _getUniqueFileList($files) {
ksort($files);
$files = array_values($files);
$filenames = array();
$size = count($files);
for($i = 0; $i < $size; ++ $i)
{
if(in_array($files[$i]['file'], $filenames)) unset($files[$i]);
$filenames[] = $files[$i]['file'];
}
return $files;
}
/**
* Returns the list of javascripts that matches the given type.
*
* @param string $type Added position. (head:<head>..</head>, body:<body>..</body>)
* @return array Returns javascript file list. Array contains file, targetie.
*/
function getJsFile($type='head') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->oFrontEndFileHandler->getJsFileList($type);
}
/**
* Add CSS file
*
* @deprecated
* @param string $file File name with path
* @param string $optimized optimized (That seems to not use)
* @param string $media Media query
* @param string $targetie target IE
* @param string $index index
* @return void
*
*/
function addCSSFile($file, $optimized=false, $media='all', $targetie='',$index=0) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->loadFile(array($file, $media, $targetie, $index));
}
/**
* Remove css file
*
* @deprecated
* @param string $file File name with path
* @param string $optimized optimized (That seems to not use)
* @param string $media Media query
* @param string $targetie target IE
* @return void
*/
function unloadCSSFile($file, $optimized = false, $media = 'all', $targetie = '') {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadFile($file, $targetie, $media);
}
/**
* Unload all css files
*
* @return void
*/
function unloadAllCSSFiles() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->oFrontEndFileHandler->unloadAllFiles('css');
}
/**
* Return a list of css files
*
* @return array Returns css file list. Array contains file, media, targetie.
*/
function getCSSFile() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->oFrontEndFileHandler->getCssFileList();
}
/**
* Load javascript plugin
*
* @param string $plugin_name plugin name
* @return void
*/
function loadJavascriptPlugin($plugin_name) {
static $loaded_plugins = array();
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if($plugin_name == 'ui.datepicker') $plugin_name = 'ui';
if($loaded_plugins[$plugin_name]) return;
$loaded_plugins[$plugin_name] = true;
$plugin_path = './common/js/plugins/'.$plugin_name.'/';
$info_file = $plugin_path.'plugin.load';
if(!is_readable($info_file)) return;
$list = file($info_file);
foreach($list as $filename) {
$filename = trim($filename);
if(!$filename) continue;
if(substr($filename,0,2)=='./') $filename = substr($filename,2);
if(preg_match('/\.js$/i', $filename)) $self->loadFile(array($plugin_path.$filename, 'body', '', 0), true);
elseif(preg_match('/\.css$/i', $filename)) $self->loadFile(array($plugin_path.$filename, 'all', '', 0), true);
}
if(is_dir($plugin_path.'lang')) $self->loadLang($plugin_path.'lang');
}
/**
* Add html code before </head>
*
* @param string $header add html code before </head>.
* @return void
*/
function addHtmlHeader($header) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->html_header .= "\n".$header;
}
/**
* Returns added html code by addHtmlHeader()
*
* @return string Added html code before </head>
*/
function getHtmlHeader() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->html_header;
}
/**
* Add css class to Html Body
*
* @param string $class_name class name
*/
function addBodyClass($class_name) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->body_class[] = $class_name;
}
/**
* Return css class to Html Body
*
* @return string Return class to html body
*/
function getBodyClass() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->body_class = array_unique($self->body_class);
return count($self->body_class)?sprintf(' class="%s"', implode(' ',$self->body_class)):'';
}
/**
* Add html code after <body>
*
* @param string $header Add html code after <body>
*/
function addBodyHeader($header) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->body_header .= "\n".$header;
}
/**
* Returns added html code by addBodyHeader()
*
* @return string Added html code after <body>
*/
function getBodyHeader() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->body_header;
}
/**
* Add html code before </body>
*
* @param string $footer Add html code before </body>
*/
function addHtmlFooter($footer) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$self->html_footer .= ($self->Htmlfooter?"\n":'').$footer;
}
/**
* Returns added html code by addHtmlHeader()
*
* @return string Added html code before </body>
*/
function getHtmlFooter() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
return $self->html_footer;
}
/**
* Get config file
*
* @retrun string The path of the config file that contains database settings
*/
function getConfigFile() {
return _XE_PATH_.'files/config/db.config.php';
}
/**
* Get FTP config file
*
* @return string The path of the config file that contains FTP settings
*/
function getFTPConfigFile() {
return _XE_PATH_.'files/config/ftp.config.php';
}
/**
* Checks whether XE is installed
*
* @return bool True if the config file exists, otherwise false.
*/
function isInstalled() {
return FileHandler::hasContent(Context::getConfigFile());
}
/**
* Transforms codes about widget or other features into the actual code, deprecatred
*
* @param string Transforms codes
* @return string Transforms codes
*/
function transContent($content) {
return $content;
}
/**
* Check whether it is allowed to use rewrite mod
*
* @return bool True if it is allowed to use rewrite mod, otherwise false
*/
function isAllowRewrite() {
$oContext = &Context::getInstance();
return $oContext->allow_rewrite;
}
/**
* Converts a local path into an URL
*
* @param string $path URL path
* @return string Converted path
*/
function pathToUrl($path) {
$xe = _XE_PATH_;
$path = strtr($path, "\\", "/");
$base_url = preg_replace('@^https?://[^/]+/?@', '', Context::getRequestUri());
$_xe = explode('/', $xe);
$_path = explode('/', $path);
$_base = explode('/', $base_url);
if(!$_base[count($_base)-1]) array_pop($_base);
foreach($_xe as $idx=>$dir) {
if($_path[0] != $dir) break;
array_shift($_path);
}
$idx = count($_xe) - $idx - 1;
while($idx--) {
if(count($_base)) array_shift($_base);
else array_unshift($_base, '..');
}
if(count($_base)) {
array_unshift($_path, implode('/', $_base));
}
$path = '/'.implode('/', $_path);
if(substr($path,-1)!='/') $path .= '/';
return $path;
}
/**
* Get meta tag
* @return array The list of meta tags
*/
function getMetaTag() {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
if(!is_array($self->meta_tags)) $self->meta_tags = array();
$ret = array();
$map = &$self->meta_tags;
foreach($map as $key=>$val) {
list($name, $is_http_equiv) = explode("\t", $key);
$ret[] = array('name'=>$name, 'is_http_equiv'=>$is_http_equiv, 'content' => $val);
}
return $ret;
}
/**
* Add the meta tag
*
* @param string $name name of meta tag
* @param string $content content of meta tag
* @param mixed $is_http_equiv value of http_equiv
* @return void
*/
function addMetaTag($name, $content, $is_http_equiv = false) {
is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
$key = $name."\t".($is_http_equiv ? '1' : '0');
$map = &$self->meta_tags;
$map[$key] = $content;
}
}