Added auth client for keycloak

src/User/AuthClient/Keycloak.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Da\User\AuthClient;
+
+use Da\User\Contracts\AuthClientInterface;
+use yii\authclient\OpenIdConnect;
+
+class Keycloak extends OpenIdConnect implements AuthClientInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getEmail()
+    {
+        // claim from email scope
+        return $this->getUserAttributes()['email'] ?? null;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getUserName()
+    {
+        // claim from profile scope
+        return $this->getUserAttributes()['preferred_username'] ?? $this->getEmail();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getUserId()
+    {
+        return $this->getUserAttributes()['sub'] ?? null;
+    }
+}