?iť?
Your IP : 3.139.86.131
<?php
/* Copyright (C) 2013 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file htdocs/core/class/openid.class.php
* \ingroup core
* \brief Class to manage authentication with OpenId
*/
/**
* Class to manage OpenID
*/
class SimpleOpenID
{
public $openid_url_identity;
public $URLs = array();
public $error = array();
public $fields = array(
'required' => array(),
'optional' => array(),
);
/**
* Constructor
*/
public function __construct()
{
if (!function_exists('curl_exec'))
{
die('Error: Class SimpleOpenID requires curl extension to work');
}
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetOpenIDServer
*
* @param string $a Server
* @return void
*/
public function SetOpenIDServer($a)
{
// phpcs:enable
$this->URLs['openid_server'] = $a;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetOpenIDServer
*
* @param string $a Server
* @return void
*/
public function SetTrustRoot($a)
{
// phpcs:enable
$this->URLs['trust_root'] = $a;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetOpenIDServer
*
* @param string $a Server
* @return void
*/
public function SetCancelURL($a)
{
// phpcs:enable
$this->URLs['cancel'] = $a;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetApprovedURL
*
* @param string $a Server
* @return void
*/
public function SetApprovedURL($a)
{
// phpcs:enable
$this->URLs['approved'] = $a;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetRequiredFields
*
* @param string $a Server
* @return void
*/
public function SetRequiredFields($a)
{
// phpcs:enable
if (is_array($a)) {
$this->fields['required'] = $a;
} else {
$this->fields['required'][] = $a;
}
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetOptionalFields
*
* @param string $a Server
* @return void
*/
public function SetOptionalFields($a)
{
// phpcs:enable
if (is_array($a)) {
$this->fields['optional'] = $a;
} else {
$this->fields['optional'][] = $a;
}
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetIdentity
*
* @param string $a Server
* @return void
*/
public function SetIdentity($a)
{
// phpcs:enable
// Set Identity URL
if ((stripos($a, 'http://') === false)
&& (stripos($a, 'https://') === false)) {
$a = 'http://'.$a;
}
/*
$u = parse_url(trim($a));
if (!isset($u['path'])){
$u['path'] = '/';
}else if(substr($u['path'],-1,1) == '/'){
$u['path'] = substr($u['path'], 0, strlen($u['path'])-1);
}
if (isset($u['query'])){ // If there is a query string, then use identity as is
$identity = $a;
}else{
$identity = $u['scheme'] . '://' . $u['host'] . $u['path'];
}
//*/
$this->openid_url_identity = $a;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* GetIdentity
*
* @return string
*/
public function GetIdentity()
{
// phpcs:enable
// Get Identity
return $this->openid_url_identity;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* SetOpenIDServer
*
* @return void
*/
public function GetError()
{
// phpcs:enable
$e = $this->error;
return array('code'=>$e[0],'description'=>$e[1]);
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* ErrorStore
*
* @param string $code Code
* @param string $desc Description
* @return void
*/
public function ErrorStore($code, $desc = null)
{
// phpcs:enable
$errs['OPENID_NOSERVERSFOUND'] = 'Cannot find OpenID Server TAG on Identity page.';
if ($desc == null){
$desc = $errs[$code];
}
$this->error = array($code,$desc);
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* IsError
*
* @return boolean
*/
public function IsError()
{
// phpcs:enable
if (count($this->error) > 0)
{
return true;
}
else
{
return false;
}
}
/**
* splitResponse
*
* @param string $response Server
* @return void
*/
public function splitResponse($response)
{
$r = array();
$response = explode("\n", $response);
foreach($response as $line) {
$line = trim($line);
if ($line != "") {
list($key, $value) = explode(":", $line, 2);
$r[trim($key)] = trim($value);
}
}
return $r;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* OpenID_Standarize
*
* @param string $openid_identity Server
* @return string
*/
public function OpenID_Standarize($openid_identity = null)
{
// phpcs:enable
if ($openid_identity === null)
$openid_identity = $this->openid_url_identity;
$u = parse_url(strtolower(trim($openid_identity)));
if (!isset($u['path']) || ($u['path'] == '/')) {
$u['path'] = '';
}
if(substr($u['path'], -1, 1) == '/'){
$u['path'] = substr($u['path'], 0, strlen($u['path'])-1);
}
if (isset($u['query'])){ // If there is a query string, then use identity as is
return $u['host'] . $u['path'] . '?' . $u['query'];
}else{
return $u['host'] . $u['path'];
}
}
/**
* array2url
*
* @param array $arr An array
* @return false|string false if KO, string of url if OK
*/
public function array2url($arr)
{
// converts associated array to URL Query String
if (!is_array($arr)){
return false;
}
$query = '';
foreach($arr as $key => $value){
$query .= $key . "=" . $value . "&";
}
return $query;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* FSOCK_Request
*
* @param string $url URL
* @param string $method Method
* @param string $params Params
* @return boolean|unknown
*/
public function FSOCK_Request($url, $method = "GET", $params = "")
{
// phpcs:enable
$fp = fsockopen("ssl://www.myopenid.com", 443, $errno, $errstr, 3); // Connection timeout is 3 seconds
if (!$fp) {
$this->ErrorStore('OPENID_SOCKETERROR', $errstr);
return false;
} else {
$request = $method . " /server HTTP/1.0\r\n";
$request .= "User-Agent: Dolibarr\r\n";
$request .= "Connection: close\r\n\r\n";
fwrite($fp, $request);
stream_set_timeout($fp, 4); // Connection response timeout is 4 seconds
$res = fread($fp, 2000);
$info = stream_get_meta_data($fp);
fclose($fp);
if ($info['timed_out']) {
$this->ErrorStore('OPENID_SOCKETTIMEOUT');
} else {
return $res;
}
}
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* CURL_Request
*
* @param string $url URL
* @param string $method Method
* @param string $params Params
* @return string
*/
public function CURL_Request($url, $method = "GET", $params = "")
{
// phpcs:enable
// Remember, SSL MUST BE SUPPORTED
if (is_array($params)) $params = $this->array2url($params);
$curl = curl_init($url . ($method == "GET" && $params != "" ? "?" . $params : ""));
@curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_HTTPGET, ($method == "GET"));
curl_setopt($curl, CURLOPT_POST, ($method == "POST"));
if ($method == "POST") curl_setopt($curl, CURLOPT_POSTFIELDS, $params);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curl);
if (curl_errno($curl) == 0){
$response;
}else{
$this->ErrorStore('OPENID_CURL', curl_error($curl));
}
return $response;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* HTML2OpenIDServer
*
* @param string $content Content
* @return array Array of servers
*/
public function HTML2OpenIDServer($content)
{
// phpcs:enable
$get = array();
// Get details of their OpenID server and (optional) delegate
preg_match_all('/<link[^>]*rel=[\'"]openid.server[\'"][^>]*href=[\'"]([^\'"]+)[\'"][^>]*\/?>/i', $content, $matches1);
preg_match_all('/<link[^>]*href=\'"([^\'"]+)[\'"][^>]*rel=[\'"]openid.server[\'"][^>]*\/?>/i', $content, $matches2);
$servers = array_merge($matches1[1], $matches2[1]);
preg_match_all('/<link[^>]*rel=[\'"]openid.delegate[\'"][^>]*href=[\'"]([^\'"]+)[\'"][^>]*\/?>/i', $content, $matches1);
preg_match_all('/<link[^>]*href=[\'"]([^\'"]+)[\'"][^>]*rel=[\'"]openid.delegate[\'"][^>]*\/?>/i', $content, $matches2);
$delegates = array_merge($matches1[1], $matches2[1]);
$ret = array($servers, $delegates);
return $ret;
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* Get openid server
*
* @param string $url Url to found endpoint
* @return string Endpoint
*/
public function GetOpenIDServer($url = '')
{
// phpcs:enable
global $conf;
include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
if (empty($url)) $url=$conf->global->MAIN_AUTHENTICATION_OPENID_URL;
$response = getURLContent($url);
list($servers, $delegates) = $this->HTML2OpenIDServer($response);
if (count($servers) == 0) {
$this->ErrorStore('OPENID_NOSERVERSFOUND');
return false;
}
if (isset($delegates[0])
&& ($delegates[0] != "")) {
$this->SetIdentity($delegates[0]);
}
$this->SetOpenIDServer($servers[0]);
return $servers[0];
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* GetRedirectURL
*
* @return string
*/
public function GetRedirectURL()
{
// phpcs:enable
$params = array();
$params['openid.return_to'] = urlencode($this->URLs['approved']);
$params['openid.mode'] = 'checkid_setup';
$params['openid.identity'] = urlencode($this->openid_url_identity);
$params['openid.trust_root'] = urlencode($this->URLs['trust_root']);
if (isset($this->fields['required'])
&& (count($this->fields['required']) > 0)) {
$params['openid.sreg.required'] = implode(',', $this->fields['required']);
}
if (isset($this->fields['optional'])
&& (count($this->fields['optional']) > 0)) {
$params['openid.sreg.optional'] = implode(',', $this->fields['optional']);
}
return $this->URLs['openid_server'] . "?". $this->array2url($params);
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* Redirect
*
* @return void
*/
public function Redirect()
{
// phpcs:enable
$redirect_to = $this->GetRedirectURL();
if (headers_sent())
{ // Use JavaScript to redirect if content has been previously sent (not recommended, but safe)
echo '<script language="JavaScript" type="text/javascript">window.location=\'';
echo $redirect_to;
echo '\';</script>';
}
else
{ // Default Header Redirect
header('Location: ' . $redirect_to);
}
}
// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
/**
* ValidateWithServer
*
* @return boolean
*/
public function ValidateWithServer()
{
// phpcs:enable
$params = array(
'openid.assoc_handle' => urlencode($_GET['openid_assoc_handle']),
'openid.signed' => urlencode($_GET['openid_signed']),
'openid.sig' => urlencode($_GET['openid_sig'])
);
// Send only required parameters to confirm validity
$arr_signed = explode(",", str_replace('sreg.', 'sreg_', $_GET['openid_signed']));
$num = count($arr_signed);
for ($i = 0; $i < $num; $i++)
{
$s = str_replace('sreg_', 'sreg.', $arr_signed[$i]);
$c = $_GET['openid_' . $arr_signed[$i]];
// if ($c != ""){
$params['openid.' . $s] = urlencode($c);
// }
}
$params['openid.mode'] = "check_authentication";
$openid_server = $this->GetOpenIDServer();
if ($openid_server == false)
{
return false;
}
$response = $this->CURL_Request($openid_server, 'POST', $params);
$data = $this->splitResponse($response);
if ($data['is_valid'] == "true")
{
return true;
}
else
{
return false;
}
}
/**
* Get XRDS response and set possible servers.
*
* @param string $url Url of endpoint to request
* @return string First endpoint OpenID server found. False if it failed to found.
*/
public function sendDiscoveryRequestToGetXRDS($url = '')
{
global $conf;
include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
if (empty($url)) $url=$conf->global->MAIN_AUTHENTICATION_OPENID_URL;
dol_syslog(get_class($this).'::sendDiscoveryRequestToGetXRDS get XRDS');
$addheaders=array('Accept: application/xrds+xml');
$response = getURLContent($url, 'GET', '', 1, $addheaders);
/* response should like this:
<?xml version="1.0" encoding="UTF-8"?>
<xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)">
<XRD>
<Service priority="0">
<Type>http://specs.openid.net/auth/2.0/server</Type>
<Type>http://openid.net/srv/ax/1.0</Type>
...
<URI>https://www.google.com/accounts/o8/ud</URI>
</Service>
</XRD>
</xrds:XRDS>
*/
$content=$response['content'];
$server='';
if (preg_match('/'.preg_quote('<URI>', '/').'(.*)'.preg_quote('</URI>', '/').'/is', $content, $reg))
{
$server=$reg[1];
}
if (empty($server))
{
$this->ErrorStore('OPENID_NOSERVERSFOUND');
return false;
}
else
{
dol_syslog(get_class($this).'::sendDiscoveryRequestToGetXRDS found endpoint = '.$server);
$this->SetOpenIDServer($server);
return $server;
}
}
}