Move OAuth module from API to common and solve PHPStan's errors

common/components/OAuth2/Repositories/ClientRepository.php

@@ -0,0 +1,49 @@
+<?php
+declare(strict_types=1);
+
+namespace common\components\OAuth2\Repositories;
+
+use common\components\OAuth2\Entities\ClientEntity;
+use common\models\OauthClient;
+use League\OAuth2\Server\Entities\ClientEntityInterface;
+use League\OAuth2\Server\Repositories\ClientRepositoryInterface;
+
+final class ClientRepository implements ClientRepositoryInterface {
+
+    public function getClientEntity(string $clientIdentifier): ?ClientEntityInterface {
+        $client = $this->findModel($clientIdentifier);
+        if ($client === null) {
+            return null;
+        }
+
+        // @phpstan-ignore argument.type
+        return new ClientEntity($client->id, $client->name, $client->redirect_uri ?: '', (bool)$client->is_trusted);
+    }
+
+    public function validateClient(string $clientIdentifier, ?string $clientSecret, ?string $grantType): bool {
+        $client = $this->findModel($clientIdentifier);
+        if ($client === null) {
+            return false;
+        }
+
+        if ($client->type !== OauthClient::TYPE_APPLICATION) {
+            return false;
+        }
+
+        if ($clientSecret !== null && $clientSecret !== $client->secret) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private function findModel(string $id): ?OauthClient {
+        $client = OauthClient::findOne(['id' => $id]);
+        if ($client === null || $client->type !== OauthClient::TYPE_APPLICATION) {
+            return null;
+        }
+
+        return $client;
+    }
+
+}