minor symfony#56840 [SecurityBundle] Allow configuring the secret used to sign login links (nicolas-grekas)

This PR was merged into the 7.2 branch.

Discussion
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[SecurityBundle] Allow configuring the secret used to sign login links

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

To make it easier to use something else than `kernel.secret` if needed.

Commits
-------

e5c9eba [SecurityBundle] Allow configuring the secret used to sign login links

Author: fabpot

src/Symfony/Bundle/SecurityBundle/CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+7.2
+---
+
+ * Allow configuring the secret used to sign login links
+
 7.1
 ---
 

src/Symfony/Bundle/SecurityBundle/DependencyInjection/Security/Factory/LoginLinkFactory.php

@@ -69,6 +69,10 @@ public function addConfiguration(NodeDefinition $node): void
             ->scalarNode('provider')
                 ->info('The user provider to load users from.')
             ->end()
+            ->scalarNode('secret')
+                ->cannotBeEmpty()
+                ->defaultValue('%kernel.secret%')
+            ->end()
         ;
 
         foreach (array_merge($this->defaultSuccessHandlerOptions, $this->defaultFailureHandlerOptions) as $name => $default) {
@@ -113,6 +117,7 @@ public function createAuthenticator(ContainerBuilder $container, string $firewal
         $container
             ->setDefinition($signatureHasherId, new ChildDefinition('security.authenticator.abstract_login_link_signature_hasher'))
             ->replaceArgument(1, $config['signature_properties'])
+            ->replaceArgument(2, $config['secret'])
             ->replaceArgument(3, $expiredStorageId ? new Reference($expiredStorageId) : null)
             ->replaceArgument(4, $config['max_uses'] ?? null)
         ;