Updated minimum php version from 7.3 to 7.4

[bookstack] / app / Auth / Access / Saml2Service.php

diff --git a/app/Auth/Access/Saml2Service.php b/app/Auth/Access/Saml2Service.php
index 9c208832aba1b43aafb4864dae60991865502f45..f5d0cd7ccf57ee61fd863c8a85f5f9144d71db75 100644 (file)
--- a/app/Auth/Access/Saml2Service.php
+++ b/app/Auth/Access/Saml2Service.php
@@ -9,6 +9,7 @@ use BookStack\Exceptions\StoppedAuthenticationException;
 use BookStack\Exceptions\UserRegistrationException;
 use Exception;
 use OneLogin\Saml2\Auth;
+use OneLogin\Saml2\Constants;
 use OneLogin\Saml2\Error;
 use OneLogin\Saml2\IdPMetadataParser;
 use OneLogin\Saml2\ValidationError;
@@ -59,13 +60,20 @@ class Saml2Service
      *
      * @throws Error
      */
-    public function logout(): array
+    public function logout(User $user): array
     {
         $toolKit = $this->getToolkit();
         $returnRoute = url('/');
 
         try {
-            $url = $toolKit->logout($returnRoute, [], null, null, true);
+            $url = $toolKit->logout(
+                $returnRoute,
+                [],
+                $user->email,
+                null,
+                true,
+                Constants::NAMEID_EMAIL_ADDRESS
+            );
             $id = $toolKit->getLastRequestID();
         } catch (Error $error) {
             if ($error->getCode() !== Error::SAML_SINGLE_LOGOUT_NOT_SUPPORTED) {
@@ -91,7 +99,7 @@ class Saml2Service
      * @throws JsonDebugException
      * @throws UserRegistrationException
      */
-    public function processAcsResponse(string $requestId, string $samlResponse): ?User
+    public function processAcsResponse(?string $requestId, string $samlResponse): ?User
     {
         // The SAML2 toolkit expects the response to be within the $_POST superglobal
         // so we need to manually put it back there at this point.
@@ -124,8 +132,13 @@ class Saml2Service
     public function processSlsResponse(?string $requestId): ?string
     {
         $toolkit = $this->getToolkit();
-        $redirect = $toolkit->processSLO(true, $requestId, false, null, true);
 
+        // The $retrieveParametersFromServer in the call below will mean the library will take the query
+        // parameters, used for the response signing, from the raw $_SERVER['QUERY_STRING']
+        // value so that the exact encoding format is matched when checking the signature.
+        // This is primarily due to ADFS encoding query params with lowercase percent encoding while
+        // PHP (And most other sensible providers) standardise on uppercase.
+        $redirect = $toolkit->processSLO(true, $requestId, true, null, true);
         $errors = $toolkit->getErrors();
 
         if (!empty($errors)) {