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Add support for asynchronous SLO profile #423

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Add support for asynchronous SLO profile #423

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9ddbc11
Import schema
tvdijen Aug 5, 2026
12d253a
Update class-registry
tvdijen Aug 5, 2026
0939f40
Add abstract and NS-constant
tvdijen Aug 5, 2026
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3 changes: 3 additions & 0 deletions classes/element.registry.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,9 @@
declare(strict_types=1);

return [
'urn:oasis:names:tc:SAML:2.0:protocol:ext:async-slo' => [
'Asynchronous' => '\SimpleSAML\SAML2\XML\aslo\Asynchronous',
],
'urn:oasis:names:tc:SAML:metadata:algsupport' => [
'DigestMethod' => '\SimpleSAML\SAML2\XML\alg\DigestMethod',
'SigningMethod' => '\SimpleSAML\SAML2\XML\alg\SigningMethod',
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13 changes: 13 additions & 0 deletions resources/schemas/saml-async-slo-v1.0.xsd
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@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns:aslo="urn:oasis:names:tc:SAML:2.0:protocol:ext:async-slo"
xmlns="http://www.w3.org/2001/XMLSchema"
targetNamespace="urn:oasis:names:tc:SAML:2.0:protocol:ext:async-slo"
elementFormDefault="qualified">

<element name="Asynchronous" type="aslo:AsynchronousType" />
<complexType name="AsynchronousType" />

<attribute name="supportsAsynchronous" type="boolean"/>

</schema>
5 changes: 5 additions & 0 deletions src/Constants.php
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Expand Up @@ -226,6 +226,11 @@ class Constants extends \SimpleSAML\XMLSecurity\Constants
*/
public const string NS_ALG = 'urn:oasis:names:tc:SAML:metadata:algsupport';

/**
* The namespace for the SAML 2 Asynchronous Single Logout Profile Extension
*/
public const string NS_ASLO = 'urn:oasis:names:tc:SAML:2.0:protocol:ext:async-slo';

/**
* The namespace for the ECP protocol.
*/
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23 changes: 23 additions & 0 deletions src/XML/aslo/AbstractAlsoElement.php
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@@ -0,0 +1,23 @@
<?php

declare(strict_types=1);

namespace SimpleSAML\SAML2\XML\aslo;

use SimpleSAML\SAML2\Constants as C;
use SimpleSAML\XML\AbstractElement;

/**
* Abstract class to be implemented by all the classes in this namespace
*
* @see https://docs.oasis-open.org/security/saml/Post2.0/saml-async-slo/v1.0/saml-async-slo-v1.0.pdf
* @package simplesamlphp/saml2
*/
abstract class AbstractAlgElement extends AbstractElement
{
public const string NS = C::NS_ASLO;

public const string NS_PREFIX = 'aslo';

public const string SCHEMA = 'resources/schemas/saml-async-slo-v1.0.xsd';
}
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