Allow retrieval of Scoping -> RequesterIds

The requester ids can already be set as part of the setscoping method.
Now they can also be retrieved.

Author: MKodde

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 4.1.11
+**New feature**
+* Allow retrieval of Scoping -> RequesterIds #97
+
 # 4.1.10
 **New feature**
 * Allow setting the ForceAuthn property on AuthNRequest objects #96

src/SAML2/ReceivedAuthnRequest.php

@@ -205,6 +205,14 @@ public function setScoping(array $requesterIds, $proxyCount = 10)
         $this->request->setProxyCount($proxyCount);
     }
 
+    /**
+     * @return string[]
+     */
+    public function getScopingRequesterIds()
+    {
+        return $this->request->getRequesterID();
+    }
+    
     /**
      * @param XMLSecurityKey $key
      * @return bool