A hook to generate metadata (#20)

* A hook to generate metadata

* Fix coding style & strict comparison

---------

Co-authored-by: Tim van Dijen <tvdijen@gmail.com>

Author: monkeyiq

hooks/hook_generate_metadata.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+use SimpleSAML\Assert\Assert;
+use SimpleSAML\SAML2\Constants as C;
+use SimpleSAML\{Configuration, Utils, Logger, Module};
+use SimpleSAML\Locale\Translate;
+use SimpleSAML\Metadata\MetaDataStorageHandler;
+
+function adfs_hook_generate_metadata(array &$hookinfo): void
+{
+    if ($hookinfo['set'] === 'adfs-idp-hosted') {
+        $property = $hookinfo['property'];
+        $endpoint = Module::getModuleURL('adfs/idp/prp.php');
+
+        switch ($property) {
+            case 'SingleSignOnService':
+                $hookinfo['result'] = $endpoint;
+                break;
+            case 'SingleSignOnServiceBinding':
+                $hookinfo['result'] = C::BINDING_HTTP_REDIRECT;
+                break;
+            case 'SingleLogoutService':
+                $hookinfo['result'] = $endpoint;
+                break;
+            case 'SingleLogoutServiceBinding':
+                $hookinfo['result'] = C::BINDING_HTTP_REDIRECT;
+                break;
+        }
+    }
+}
+