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<?php
namespace SimpleSAML\Module\metarefresh;
/*
* @author Andreas Åkre Solberg <andreas.solberg@uninett.no>
* @package SimpleSAMLphp
*/
class ARP
{
/**
* @var array
*/
private $metadata;
/**
* @var array
*/
private $attributes = [];
/**
* @var string
*/
private $prefix;
/**
* @var
*/
private $suffix;
/**
* Constructor
*
* @param array $metadata
* @param string $attributemap_filename
* @param string $prefix
* @param string $suffix
*/
public function __construct(array $metadata, $attributemap_filename, $prefix, $suffix)
{
$this->metadata = $metadata;
$this->prefix = $prefix;
$this->suffix = $suffix;
if (isset($attributemap_filename)) {
$this->loadAttributeMap($attributemap_filename);
}
}
/**
* @param string $attributemap_filename
*
* @return void
*/
private function loadAttributeMap($attributemap_filename)
{
$config = \SimpleSAML\Configuration::getInstance();
include($config->getPathValue('attributemap', 'attributemap/').$attributemap_filename.'.php');
// Note that $attributemap is defined in the included attributemap-file!
$this->attributes = $attributemap;
}
/**
* @param string $name
*
* @return string
*/
private function surround($name)
{
$ret = '';
if (!empty($this->prefix)) {
$ret .= $this->prefix;
}
$ret .= $name;
if (!empty($this->suffix)) {
$ret .= $this->suffix;
}
return $ret;
}
/**
* @param string $name
*
* @return string
*/
private function getAttributeID($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);
}
/**
* @return string
*/
public function getXML()
{
$xml = <<<MSG
<?xml version="1.0" encoding="UTF-8"?>
<AttributeFilterPolicyGroup id="urn:mace:funet.fi:haka:kalmar" xmlns="urn:mace:shibboleth:2.0:afp"
xmlns:basic="urn:mace:shibboleth:2.0:afp:mf:basic" xmlns:saml="urn:mace:shibboleth:2.0:afp:mf:saml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:mace:shibboleth:2.0:afp classpath:/schema/shibboleth-2.0-afp.xsd
urn:mace:shibboleth:2.0:afp:mf:basic classpath:/schema/shibboleth-2.0-afp-mf-basic.xsd
urn:mace:shibboleth:2.0:afp:mf:saml classpath:/schema/shibboleth-2.0-afp-mf-saml.xsd">
MSG;
foreach ($this->metadata as $metadata) {
$xml .= $this->getEntryXML($metadata['metadata']);
}
$xml .= '</AttributeFilterPolicyGroup>';
return $xml;
}
/**
* @param array $entry
*
* @return string
*/
private function getEntryXML($entry)
{
$entityid = $entry['entityid'];
return ' <AttributeFilterPolicy id="'.$entityid.
'"><PolicyRequirementRule xsi:type="basic:AttributeRequesterString" value="'.$entityid.
'" />'.$this->getEntryXMLcontent($entry).'</AttributeFilterPolicy>';
}
/**
* @param array $entry
*
* @return string
*/
private function getEntryXMLcontent(array $entry)
{
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;
}
}
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