ARP.php

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<?php
/*
 * @author Andreas Åkre Solberg <andreas.solberg@uninett.no>
 * @package SimpleSAMLphp
 */
class sspmod_metarefresh_ARP {


        private $metadata;
        private $attributes;
        private $prefix;
        private $suffix;

        public function __construct($metadata, $attributemap, $prefix, $suffix) {
                $this->metadata = $metadata;
                
                $this->prefix = $prefix;
                $this->suffix = $suffix;
                
                if (isset($attributemap)) $this->loadAttributeMap($attributemap);
        }
        
        private function loadAttributeMap($attributemap) {
                $config = SimpleSAML_Configuration::getInstance();
                include($config->getPathValue('attributemap', 'attributemap/') . $attributemap . '.php');
                $this->attributes = $attributemap;
        }

        private function surround($name) {
                $ret = '';
                if (!empty($this->prefix)) $ret .= $this->prefix;
                $ret .= $name;
                if (!empty($this->suffix)) $ret .= $this->suffix;
                return $ret;
        }

        private function getAttributeID($name) {
                if (empty($this->attributes)) {
                        return $this->surround($name);
                } 
                if (array_key_exists($name, $this->attributes)) {
                        return $this->surround($this->attributes[$name]);
                }
                return $this->surround($name);
        }

        public function getXML() {
                
                $xml = '<?xml version="1.0" encoding="UTF-8"?>
<AttributeFilterPolicyGroup id="urn:mace:funet.fi:haka:kalmar" xmlns="urn:mace:shibboleth:2.0:afp"
    xmlns:basic="urn:mace:shibboleth:2.0:afp:mf:basic" xmlns:saml="urn:mace:shibboleth:2.0:afp:mf:saml"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="urn:mace:shibboleth:2.0:afp classpath:/schema/shibboleth-2.0-afp.xsd
                        urn:mace:shibboleth:2.0:afp:mf:basic classpath:/schema/shibboleth-2.0-afp-mf-basic.xsd
                        urn:mace:shibboleth:2.0:afp:mf:saml classpath:/schema/shibboleth-2.0-afp-mf-saml.xsd">
';
                
                
                foreach($this->metadata AS $metadata) {
                        $xml .= $this->getEntryXML($metadata['metadata']);
                }
                
                $xml .= '</AttributeFilterPolicyGroup>';
                return $xml;
        }

        private function getEntryXML($entry) {
                $entityid = $entry['entityid'];
                return '        <AttributeFilterPolicy id="' . $entityid . '">
                <PolicyRequirementRule xsi:type="basic:AttributeRequesterString" value="' . $entityid . '" />
' . $this->getEntryXMLcontent($entry) . '
        </AttributeFilterPolicy>
';
        }
        
        private function getEntryXMLcontent($entry) {
                $ids = array();
                if (!array_key_exists('attributes', $entry)) 
                        return '';
                
                $ret = '';
                foreach($entry['attributes'] AS $a) {
                        
                        $ret .= '                       <AttributeRule attributeID="' . $this->getAttributeID($a) . '">
                                <PermitValueRule xsi:type="basic:ANY" />
                        </AttributeRule>
';
                        
                }
                return $ret;
        }

}