mirror of
https://github.com/Dolibarr/dolibarr.git
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27e99793a3
This commit consists of patches automatically generated for this project on https://scrutinizer-ci.com
526 lines
14 KiB
PHP
526 lines
14 KiB
PHP
<?php
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/* Copyright (C) 2013 Laurent Destailleur <eldy@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file htdocs/core/class/openid.class.php
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* \ingroup core
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* \brief Class to manage authentication with OpenId
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*/
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/**
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* Class to manage OpenID
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*/
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class SimpleOpenID
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{
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var $openid_url_identity;
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var $URLs = array();
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var $error = array();
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var $fields = array(
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'required' => array(),
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'optional' => array(),
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);
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/**
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* Constructor
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*/
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function __construct()
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{
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if (!function_exists('curl_exec'))
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{
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die('Error: Class SimpleOpenID requires curl extension to work');
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}
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}
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/**
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* SetOpenIDServer
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*
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* @param string $a Server
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* @return void
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*/
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function SetOpenIDServer($a)
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{
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$this->URLs['openid_server'] = $a;
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}
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/**
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* SetOpenIDServer
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*
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* @param string $a Server
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* @return void
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*/
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function SetTrustRoot($a)
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{
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$this->URLs['trust_root'] = $a;
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}
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/**
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* SetOpenIDServer
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*
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* @param string $a Server
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* @return void
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*/
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function SetCancelURL($a)
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{
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$this->URLs['cancel'] = $a;
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}
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/**
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* SetApprovedURL
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*
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* @param string $a Server
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* @return void
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*/
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function SetApprovedURL($a)
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{
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$this->URLs['approved'] = $a;
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}
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/**
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* SetRequiredFields
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*
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* @param string $a Server
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* @return void
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*/
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function SetRequiredFields($a)
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{
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if (is_array($a)){
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$this->fields['required'] = $a;
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}else{
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$this->fields['required'][] = $a;
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}
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}
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/**
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* SetOptionalFields
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*
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* @param string $a Server
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* @return void
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*/
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function SetOptionalFields($a)
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{
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if (is_array($a)){
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$this->fields['optional'] = $a;
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}else{
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$this->fields['optional'][] = $a;
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}
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}
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/**
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* SetIdentity
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*
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* @param string $a Server
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* @return void
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*/
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function SetIdentity($a)
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{ // Set Identity URL
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if ((stripos($a, 'http://') === false)
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&& (stripos($a, 'https://') === false)){
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$a = 'http://'.$a;
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}
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/*
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$u = parse_url(trim($a));
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if (!isset($u['path'])){
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$u['path'] = '/';
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}else if(substr($u['path'],-1,1) == '/'){
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$u['path'] = substr($u['path'], 0, strlen($u['path'])-1);
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}
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if (isset($u['query'])){ // If there is a query string, then use identity as is
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$identity = $a;
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}else{
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$identity = $u['scheme'] . '://' . $u['host'] . $u['path'];
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}
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//*/
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$this->openid_url_identity = $a;
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}
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/**
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* GetIdentity
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*
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* @return string
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*/
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function GetIdentity()
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{ // Get Identity
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return $this->openid_url_identity;
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}
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/**
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* SetOpenIDServer
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*
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* @return void
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*/
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function GetError()
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{
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$e = $this->error;
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return array('code'=>$e[0],'description'=>$e[1]);
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}
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/**
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* ErrorStore
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*
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* @param string $code Code
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* @param string $desc Description
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* @return void
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*/
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function ErrorStore($code, $desc = null)
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{
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$errs['OPENID_NOSERVERSFOUND'] = 'Cannot find OpenID Server TAG on Identity page.';
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if ($desc == null){
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$desc = $errs[$code];
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}
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$this->error = array($code,$desc);
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}
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/**
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* IsError
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*
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* @return boolean
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*/
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function IsError()
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{
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if (count($this->error) > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/**
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* splitResponse
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*
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* @param string $response Server
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* @return void
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*/
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function splitResponse($response)
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{
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$r = array();
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$response = explode("\n", $response);
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foreach($response as $line) {
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$line = trim($line);
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if ($line != "") {
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list($key, $value) = explode(":", $line, 2);
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$r[trim($key)] = trim($value);
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}
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}
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return $r;
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}
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/**
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* OpenID_Standarize
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*
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* @param string $openid_identity Server
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* @return string
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*/
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function OpenID_Standarize($openid_identity = null)
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{
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if ($openid_identity === null)
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$openid_identity = $this->openid_url_identity;
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$u = parse_url(strtolower(trim($openid_identity)));
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if (!isset($u['path']) || ($u['path'] == '/')) {
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$u['path'] = '';
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}
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if(substr($u['path'],-1,1) == '/'){
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$u['path'] = substr($u['path'], 0, strlen($u['path'])-1);
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}
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if (isset($u['query'])){ // If there is a query string, then use identity as is
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return $u['host'] . $u['path'] . '?' . $u['query'];
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}else{
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return $u['host'] . $u['path'];
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}
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}
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/**
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* array2url
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*
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* @param array $arr An array
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* @return false|string false if KO, string of url if OK
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*/
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function array2url($arr)
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{ // converts associated array to URL Query String
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if (!is_array($arr)){
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return false;
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}
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$query = '';
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foreach($arr as $key => $value){
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$query .= $key . "=" . $value . "&";
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}
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return $query;
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}
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/**
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* FSOCK_Request
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*
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* @param string $url URL
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* @param string $method Method
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* @param string $params Params
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* @return boolean|unknown
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*/
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function FSOCK_Request($url, $method="GET", $params = "")
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{
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$fp = fsockopen("ssl://www.myopenid.com", 443, $errno, $errstr, 3); // Connection timeout is 3 seconds
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if (!$fp) {
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$this->ErrorStore('OPENID_SOCKETERROR', $errstr);
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return false;
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} else {
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$request = $method . " /server HTTP/1.0\r\n";
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$request .= "User-Agent: Dolibarr\r\n";
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$request .= "Connection: close\r\n\r\n";
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fwrite($fp, $request);
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stream_set_timeout($fp, 4); // Connection response timeout is 4 seconds
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$res = fread($fp, 2000);
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$info = stream_get_meta_data($fp);
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fclose($fp);
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if ($info['timed_out']) {
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$this->ErrorStore('OPENID_SOCKETTIMEOUT');
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} else {
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return $res;
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}
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}
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}
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/**
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* CURL_Request
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*
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* @param string $url URL
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* @param string $method Method
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* @param string $params Params
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* @return string
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*/
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function CURL_Request($url, $method="GET", $params = "")
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{ // Remember, SSL MUST BE SUPPORTED
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if (is_array($params)) $params = $this->array2url($params);
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$curl = curl_init($url . ($method == "GET" && $params != "" ? "?" . $params : ""));
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@curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($curl, CURLOPT_HEADER, false);
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($curl, CURLOPT_HTTPGET, ($method == "GET"));
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curl_setopt($curl, CURLOPT_POST, ($method == "POST"));
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if ($method == "POST") curl_setopt($curl, CURLOPT_POSTFIELDS, $params);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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$response = curl_exec($curl);
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if (curl_errno($curl) == 0){
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$response;
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}else{
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$this->ErrorStore('OPENID_CURL', curl_error($curl));
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}
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return $response;
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}
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/**
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* HTML2OpenIDServer
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*
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* @param string $content Content
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* @return array Array of servers
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*/
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function HTML2OpenIDServer($content)
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{
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$get = array();
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// Get details of their OpenID server and (optional) delegate
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preg_match_all('/<link[^>]*rel=[\'"]openid.server[\'"][^>]*href=[\'"]([^\'"]+)[\'"][^>]*\/?>/i', $content, $matches1);
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preg_match_all('/<link[^>]*href=\'"([^\'"]+)[\'"][^>]*rel=[\'"]openid.server[\'"][^>]*\/?>/i', $content, $matches2);
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$servers = array_merge($matches1[1], $matches2[1]);
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preg_match_all('/<link[^>]*rel=[\'"]openid.delegate[\'"][^>]*href=[\'"]([^\'"]+)[\'"][^>]*\/?>/i', $content, $matches1);
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preg_match_all('/<link[^>]*href=[\'"]([^\'"]+)[\'"][^>]*rel=[\'"]openid.delegate[\'"][^>]*\/?>/i', $content, $matches2);
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$delegates = array_merge($matches1[1], $matches2[1]);
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$ret = array($servers, $delegates);
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return $ret;
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}
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/**
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* Get openid server
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*
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* @param string $url Url to found endpoint
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* @return string Endpoint
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*/
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function GetOpenIDServer($url='')
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{
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global $conf;
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include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
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if (empty($url)) $url=$conf->global->MAIN_AUTHENTICATION_OPENID_URL;
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$response = getURLContent($url);
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list($servers, $delegates) = $this->HTML2OpenIDServer($response);
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if (count($servers) == 0){
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$this->ErrorStore('OPENID_NOSERVERSFOUND');
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return false;
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}
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if (isset($delegates[0])
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&& ($delegates[0] != "")){
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$this->SetIdentity($delegates[0]);
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}
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$this->SetOpenIDServer($servers[0]);
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return $servers[0];
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}
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/**
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* GetRedirectURL
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*
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* @return string
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*/
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function GetRedirectURL()
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{
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$params = array();
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$params['openid.return_to'] = urlencode($this->URLs['approved']);
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$params['openid.mode'] = 'checkid_setup';
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$params['openid.identity'] = urlencode($this->openid_url_identity);
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$params['openid.trust_root'] = urlencode($this->URLs['trust_root']);
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if (isset($this->fields['required'])
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&& (count($this->fields['required']) > 0)) {
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$params['openid.sreg.required'] = implode(',',$this->fields['required']);
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}
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if (isset($this->fields['optional'])
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&& (count($this->fields['optional']) > 0)) {
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$params['openid.sreg.optional'] = implode(',',$this->fields['optional']);
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}
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return $this->URLs['openid_server'] . "?". $this->array2url($params);
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}
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/**
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* Redirect
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*
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* @return void
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*/
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function Redirect()
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{
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$redirect_to = $this->GetRedirectURL();
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if (headers_sent())
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{ // Use JavaScript to redirect if content has been previously sent (not recommended, but safe)
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echo '<script language="JavaScript" type="text/javascript">window.location=\'';
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echo $redirect_to;
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echo '\';</script>';
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}
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else
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{ // Default Header Redirect
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header('Location: ' . $redirect_to);
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}
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}
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/**
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* ValidateWithServer
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*
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* @return boolean
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*/
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function ValidateWithServer()
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{
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$params = array(
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'openid.assoc_handle' => urlencode($_GET['openid_assoc_handle']),
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'openid.signed' => urlencode($_GET['openid_signed']),
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'openid.sig' => urlencode($_GET['openid_sig'])
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);
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// Send only required parameters to confirm validity
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$arr_signed = explode(",",str_replace('sreg.','sreg_',$_GET['openid_signed']));
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$num = count($arr_signed);
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for ($i = 0; $i < $num; $i++)
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{
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$s = str_replace('sreg_','sreg.', $arr_signed[$i]);
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$c = $_GET['openid_' . $arr_signed[$i]];
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// if ($c != ""){
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$params['openid.' . $s] = urlencode($c);
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// }
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}
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$params['openid.mode'] = "check_authentication";
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$openid_server = $this->GetOpenIDServer();
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if ($openid_server == false)
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{
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return false;
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}
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$response = $this->CURL_Request($openid_server,'POST',$params);
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$data = $this->splitResponse($response);
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if ($data['is_valid'] == "true")
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/**
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* Get XRDS response and set possible servers.
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*
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* @param string $url Url of endpoint to request
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* @return string First endpoint OpenID server found. False if it failed to found.
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*/
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function sendDiscoveryRequestToGetXRDS($url='')
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{
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global $conf;
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include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
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if (empty($url)) $url=$conf->global->MAIN_AUTHENTICATION_OPENID_URL;
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dol_syslog(get_class($this).'::sendDiscoveryRequestToGetXRDS get XRDS');
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$addheaders=array('Accept: application/xrds+xml');
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$response = getURLContent($url, 'GET', '', 1, $addheaders);
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/* response should like this:
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<?xml version="1.0" encoding="UTF-8"?>
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<xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)">
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<XRD>
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<Service priority="0">
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<Type>http://specs.openid.net/auth/2.0/server</Type>
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<Type>http://openid.net/srv/ax/1.0</Type>
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...
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<URI>https://www.google.com/accounts/o8/ud</URI>
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</Service>
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</XRD>
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</xrds:XRDS>
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*/
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$content=$response['content'];
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$server='';
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if (preg_match('/'.preg_quote('<URI>','/').'(.*)'.preg_quote('</URI>','/').'/is', $content, $reg))
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{
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$server=$reg[1];
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}
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if (empty($server))
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{
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$this->ErrorStore('OPENID_NOSERVERSFOUND');
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return false;
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}
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else
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{
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dol_syslog(get_class($this).'::sendDiscoveryRequestToGetXRDS found endpoint = '.$server);
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$this->SetOpenIDServer($server);
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return $server;
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}
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}
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}
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