8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
307 lines
8.3 KiB
PHP
307 lines
8.3 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_InfoCard
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Claims.php 16214 2009-06-21 19:34:03Z thomas $
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*/
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/**
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* Result value of the InfoCard component, contains any error messages and claims
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* from the processing of an information card.
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*
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* @category Zend
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* @package Zend_InfoCard
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_InfoCard_Claims
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{
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/**
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* Successful validation and extraion of claims
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*/
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const RESULT_SUCCESS = 1;
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/**
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* Indicates there was an error processing the XML document
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*/
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const RESULT_PROCESSING_FAILURE = 2;
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/**
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* Indicates that the signature values within the XML document failed verification
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*/
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const RESULT_VALIDATION_FAILURE = 3;
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/**
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* The default namespace to assume in these claims
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*
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* @var string
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*/
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protected $_defaultNamespace = null;
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/**
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* A boolean indicating if the claims should be consider "valid" or not based on processing
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*
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* @var bool
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*/
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protected $_isValid = true;
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/**
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* The error message if any
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*
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* @var string
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*/
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protected $_error = "";
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/**
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* An array of claims taken from the information card
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*
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* @var array
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*/
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protected $_claims;
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/**
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* The result code of processing the information card as defined by the constants of this class
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*
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* @var integer
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*/
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protected $_code;
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/**
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* Override for the safeguard which ensures that you don't use claims which failed validation.
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* Used in situations when there was a validation error you'd like to ignore
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*
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* @return Zend_InfoCard_Claims
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*/
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public function forceValid()
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{
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trigger_error("Forcing Claims to be valid although it is a security risk", E_USER_WARNING);
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$this->_isValid = true;
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return $this;
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}
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/**
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* Retrieve the PPI (Private Personal Identifier) associated with the information card
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*
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* @return string the private personal identifier
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*/
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public function getCardID()
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{
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return $this->getClaim('http://schemas.xmlsoap.org/ws/2005/05/identity/claims/privatepersonalidentifier');
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}
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/**
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* Retrieves the default namespace used in this information card. If a default namespace was not
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* set, it figures out which one to consider 'default' by taking the first namespace sorted by use-count
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* in claims
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*
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* @throws Zend_InfoCard_Exception
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* @return string The default namespace
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*/
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public function getDefaultNamespace()
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{
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if($this->_defaultNamespace === null) {
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$namespaces = array();
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$leader = '';
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foreach($this->_claims as $claim) {
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if(!isset($namespaces[$claim['namespace']])) {
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$namespaces[$claim['namespace']] = 1;
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} else {
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$namespaces[$claim['namespace']]++;
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}
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if(empty($leader) || ($namespaces[$claim['namespace']] > $leader)) {
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$leader = $claim['namespace'];
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}
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}
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if(empty($leader)) {
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("Failed to determine default namespace");
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}
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$this->setDefaultNamespace($leader);
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}
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return $this->_defaultNamespace;
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}
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/**
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* Set the default namespace, overriding any existing default
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*
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* @throws Zend_InfoCard_Exception
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* @param string $namespace The default namespace to use
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* @return Zend_InfoCard_Claims
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*/
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public function setDefaultNamespace($namespace)
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{
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foreach($this->_claims as $claim) {
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if($namespace == $claim['namespace']) {
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$this->_defaultNamespace = $namespace;
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return $this;
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}
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}
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("At least one claim must exist in specified namespace to make it the default namespace");
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}
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/**
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* Indicates if this claim object contains validated claims or not
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*
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* @return bool
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*/
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public function isValid()
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{
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return $this->_isValid;
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}
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/**
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* Set the error message contained within the claims object
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*
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* @param string $error The error message
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* @return Zend_InfoCard_Claims
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*/
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public function setError($error)
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{
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$this->_error = $error;
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$this->_isValid = false;
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return $this;
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}
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/**
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* Retrieve the error message contained within the claims object
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*
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* @return string The error message
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*/
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public function getErrorMsg()
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{
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return $this->_error;
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}
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/**
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* Set the claims for the claims object. Can only be set once and is done
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* by the component itself. Internal use only.
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*
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* @throws Zend_InfoCard_Exception
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* @param array $claims
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* @return Zend_InfoCard_Claims
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*/
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public function setClaims(Array $claims)
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{
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if($this->_claims !== null) {
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("Claim objects are read-only");
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}
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$this->_claims = $claims;
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return $this;
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}
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/**
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* Set the result code of the claims object.
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*
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* @throws Zend_InfoCard_Exception
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* @param int $code The result code
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* @return Zend_InfoCard_Claims
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*/
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public function setCode($code)
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{
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switch($code) {
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case self::RESULT_PROCESSING_FAILURE:
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case self::RESULT_SUCCESS:
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case self::RESULT_VALIDATION_FAILURE:
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$this->_code = $code;
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return $this;
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}
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("Attempted to set unknown error code");
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}
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/**
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* Gets the result code of the claims object
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*
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* @return integer The result code
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*/
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public function getCode()
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{
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return $this->_code;
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}
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/**
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* Get a claim by providing its complete claim URI
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*
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* @param string $claimURI The complete claim URI to retrieve
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* @return mixed The claim matching that specific URI or null if not found
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*/
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public function getClaim($claimURI)
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{
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if($this->claimExists($claimURI)) {
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return $this->_claims[$claimURI]['value'];
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}
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return null;
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}
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/**
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* Indicates if a specific claim URI exists or not within the object
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*
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* @param string $claimURI The complete claim URI to check
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* @return bool true if the claim exists, false if not found
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*/
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public function claimExists($claimURI)
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{
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return isset($this->_claims[$claimURI]);
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}
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/**
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* Magic helper function
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* @throws Zend_InfoCard_Exception
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*/
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public function __unset($k)
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{
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("Claim objects are read-only");
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}
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/**
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* Magic helper function
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*/
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public function __isset($k)
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{
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return $this->claimExists("{$this->getDefaultNamespace()}/$k");
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}
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/**
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* Magic helper function
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*/
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public function __get($k)
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{
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return $this->getClaim("{$this->getDefaultNamespace()}/$k");
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}
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/**
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* Magic helper function
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* @throws Zend_InfoCard_Exception
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*/
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public function __set($k, $v)
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{
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require_once 'Zend/InfoCard/Exception.php';
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throw new Zend_InfoCard_Exception("Claim objects are read-only");
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}
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}
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