Update: Process result->authentication and add to the PIResponse (#15)

* Create AuthenticationStatus

+ update PIResponse to process authenticationStatus

* update authenticationstatus controll

* Update PIResponse.php

Co-authored-by: Nils Behlen <29949516+nilsbehlen@users.noreply.github.com>

src/AuthenticationStatus.php

+<?php
+abstract class AuthenticationStatus
+{
+    const CHALLENGE = "CHALLENGE";
+    const ACCEPT = "ACCEPT";
+    const REJECT = "REJECT";
+    const NONE = "NONE";
+}
\ No newline at end of file

src/PIResponse.php

@@ -25,6 +25,9 @@ class PIResponse
     /* @var bool Value is true if the authentication was successful. */
     public $value = false;
 
+    /* @var string Authentication Status */
+    public $authenticationStatus = "";
+
     /* @var array Additional attributes of the user that can be sent by the server. */
     public $detailAndAttributes = array();
 
@@ -82,6 +85,26 @@ class PIResponse
         {
             $ret->transactionID = $map['detail']['transaction_id'];
         }
+
+        // Check that the authentication status is one of the allowed ones
+        $r = $map['result']['authentication'] ?: null;
+        if ($r === AuthenticationStatus::CHALLENGE)
+        {
+            $ret->authenticationStatus = AuthenticationStatus::CHALLENGE;
+        }
+        elseif ($r === AuthenticationStatus::ACCEPT)
+        {
+            $ret->authenticationStatus = AuthenticationStatus::ACCEPT;
+        }
+        elseif ($r === AuthenticationStatus::REJECT)
+        {
+            $ret->authenticationStatus = AuthenticationStatus::REJECT;
+        }
+        else
+        {
+            $privacyIDEA->debugLog("Unknown authentication status");
+            $ret->authenticationStatus = AuthenticationStatus::NONE;
+        }
         $ret->status = $map['result']['status'] ?: false;
         $ret->value = $map['result']['value'] ?: false;