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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_OpenId
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Sreg.php 16212 2009-06-21 19:24:49Z thomas $
*/
/**
* @see Zend_OpenId_Extension
*/
require_once "Zend/OpenId/Extension.php";
/**
* 'Simple Refistration Extension' for Zend_OpenId
*
* @category Zend
* @package Zend_OpenId
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_OpenId_Extension_Sreg extends Zend_OpenId_Extension
{
/**
* SREG 1.1 namespace. All OpenID SREG 1.1 messages MUST contain variable
* openid.ns.sreg with its value.
*/
const NAMESPACE_1_1 = "http://openid.net/extensions/sreg/1.1";
private $_props;
private $_policy_url;
private $_version;
/**
* Creates SREG extension object
*
* @param array $props associative array of SREG variables
* @param string $policy_url SREG policy URL
* @param float $version SREG version
* @return array
*/
public function __construct(array $props=null, $policy_url=null, $version=1.0)
{
$this->_props = $props;
$this->_policy_url = $policy_url;
$this->_version = $version;
}
/**
* Returns associative array of SREG variables
*
* @return array
*/
public function getProperties() {
if (is_array($this->_props)) {
return $this->_props;
} else {
return array();
}
}
/**
* Returns SREG policy URL
*
* @return string
*/
public function getPolicyUrl() {
return $this->_policy_url;
}
/**
* Returns SREG protocol version
*
* @return float
*/
public function getVersion() {
return $this->_version;
}
/**
* Returns array of allowed SREG variable names.
*
* @return array
*/
public static function getSregProperties()
{
return array(
"nickname",
"email",
"fullname",
"dob",
"gender",
"postcode",
"country",
"language",
"timezone"
);
}
/**
* Adds additional SREG data to OpenId 'checkid_immediate' or
* 'checkid_setup' request.
*
* @param array &$params request's var/val pairs
* @return bool
*/
public function prepareRequest(&$params)
{
if (is_array($this->_props) && count($this->_props) > 0) {
foreach ($this->_props as $prop => $req) {
if ($req) {
if (isset($required)) {
$required .= ','.$prop;
} else {
$required = $prop;
}
} else {
if (isset($optional)) {
$optional .= ','.$prop;
} else {
$optional = $prop;
}
}
}
if ($this->_version >= 1.1) {
$params['openid.ns.sreg'] = Zend_OpenId_Extension_Sreg::NAMESPACE_1_1;
}
if (!empty($required)) {
$params['openid.sreg.required'] = $required;
}
if (!empty($optional)) {
$params['openid.sreg.optional'] = $optional;
}
if (!empty($this->_policy_url)) {
$params['openid.sreg.policy_url'] = $this->_policy_url;
}
}
return true;
}
/**
* Parses OpenId 'checkid_immediate' or 'checkid_setup' request,
* extracts SREG variables and sets ovject properties to corresponding
* values.
*
* @param array $params request's var/val pairs
* @return bool
*/
public function parseRequest($params)
{
if (isset($params['openid_ns_sreg']) &&
$params['openid_ns_sreg'] === Zend_OpenId_Extension_Sreg::NAMESPACE_1_1) {
$this->_version= 1.1;
} else {
$this->_version= 1.0;
}
if (!empty($params['openid_sreg_policy_url'])) {
$this->_policy_url = $params['openid_sreg_policy_url'];
} else {
$this->_policy_url = null;
}
$props = array();
if (!empty($params['openid_sreg_optional'])) {
foreach (explode(',', $params['openid_sreg_optional']) as $prop) {
$prop = trim($prop);
$props[$prop] = false;
}
}
if (!empty($params['openid_sreg_required'])) {
foreach (explode(',', $params['openid_sreg_required']) as $prop) {
$prop = trim($prop);
$props[$prop] = true;
}
}
$props2 = array();
foreach (self::getSregProperties() as $prop) {
if (isset($props[$prop])) {
$props2[$prop] = $props[$prop];
}
}
$this->_props = (count($props2) > 0) ? $props2 : null;
return true;
}
/**
* Adds additional SREG data to OpenId 'id_res' response.
*
* @param array &$params response's var/val pairs
* @return bool
*/
public function prepareResponse(&$params)
{
if (is_array($this->_props) && count($this->_props) > 0) {
if ($this->_version >= 1.1) {
$params['openid.ns.sreg'] = Zend_OpenId_Extension_Sreg::NAMESPACE_1_1;
}
foreach (self::getSregProperties() as $prop) {
if (!empty($this->_props[$prop])) {
$params['openid.sreg.' . $prop] = $this->_props[$prop];
}
}
}
return true;
}
/**
* Parses OpenId 'id_res' response and sets object's properties according
* to 'openid.sreg.*' variables in response
*
* @param array $params response's var/val pairs
* @return bool
*/
public function parseResponse($params)
{
if (isset($params['openid_ns_sreg']) &&
$params['openid_ns_sreg'] === Zend_OpenId_Extension_Sreg::NAMESPACE_1_1) {
$this->_version= 1.1;
} else {
$this->_version= 1.0;
}
$props = array();
foreach (self::getSregProperties() as $prop) {
if (!empty($params['openid_sreg_' . $prop])) {
$props[$prop] = $params['openid_sreg_' . $prop];
}
}
if (isset($this->_props) && is_array($this->_props)) {
foreach (self::getSregProperties() as $prop) {
if (isset($this->_props[$prop]) &&
$this->_props[$prop] &&
!isset($props[$prop])) {
return false;
}
}
}
$this->_props = (count($props) > 0) ? $props : null;
return true;
}
/**
* Addes SREG properties that are allowed to be send to consumer to
* the given $data argument.
*
* @param array &$data data to be stored in tusted servers database
* @return bool
*/
public function getTrustData(&$data)
{
$data[get_class()] = $this->getProperties();
return true;
}
/**
* Check if given $data contains necessury SREG properties to sutisfy
* OpenId request. On success sets SREG response properties from given
* $data and returns true, on failure returns false.
*
* @param array $data data from tusted servers database
* @return bool
*/
public function checkTrustData($data)
{
if (is_array($this->_props) && count($this->_props) > 0) {
$props = array();
$name = get_class();
if (isset($data[$name])) {
$props = $data[$name];
} else {
$props = array();
}
$props2 = array();
foreach ($this->_props as $prop => $req) {
if (empty($props[$prop])) {
if ($req) {
return false;
}
} else {
$props2[$prop] = $props[$prop];
}
}
$this->_props = (count($props2) > 0) ? $props2 : null;
}
return true;
}
}
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