Все классы, отвечающие за oAuth передвинуты в компоненты API, освежён код, поправлены неймспейсы

api/components/OAuth2/Component.php

@@ -0,0 +1,70 @@
+<?php
+namespace api\components\OAuth2;
+
+use api\components\OAuth2\Storage\AuthCodeStorage;
+use api\components\OAuth2\Storage\RefreshTokenStorage;
+use api\components\OAuth2\Storage\AccessTokenStorage;
+use api\components\OAuth2\Storage\ClientStorage;
+use api\components\OAuth2\Storage\ScopeStorage;
+use api\components\OAuth2\Storage\SessionStorage;
+use api\components\OAuth2\Utils\KeyAlgorithm\UuidAlgorithm;
+use League\OAuth2\Server\AuthorizationServer;
+use League\OAuth2\Server\Grant;
+use League\OAuth2\Server\Util\SecureKey;
+use yii\base\InvalidConfigException;
+
+/**
+ * @property AuthorizationServer $authServer
+ */
+class Component extends \yii\base\Component {
+
+    /**
+     * @var AuthorizationServer
+     */
+    private $_authServer;
+
+    /**
+     * @var string[]
+     */
+    public $grantTypes = [];
+
+    /**
+     * @var array grant type => class
+     */
+    public $grantMap = [
+        'authorization_code' => Grant\AuthCodeGrant::class,
+        'client_credentials' => Grant\ClientCredentialsGrant::class,
+        'password'           => Grant\PasswordGrant::class,
+        'refresh_token'      => Grant\RefreshTokenGrant::class,
+    ];
+
+    public function getAuthServer() {
+        if ($this->_authServer === null) {
+            $authServer = new AuthorizationServer();
+            $authServer->setAccessTokenStorage(new AccessTokenStorage());
+            $authServer->setClientStorage(new ClientStorage());
+            $authServer->setScopeStorage(new ScopeStorage());
+            $authServer->setSessionStorage(new SessionStorage());
+            $authServer->setAuthCodeStorage(new AuthCodeStorage());
+            $authServer->setRefreshTokenStorage(new RefreshTokenStorage());
+            $authServer->setScopeDelimiter(',');
+
+            $this->_authServer = $authServer;
+
+            foreach ($this->grantTypes as $grantType) {
+                if (!isset($this->grantMap[$grantType])) {
+                    throw new InvalidConfigException('Invalid grant type');
+                }
+
+                /** @var Grant\GrantTypeInterface $grant */
+                $grant = new $this->grantMap[$grantType]();
+                $this->_authServer->addGrantType($grant);
+            }
+
+            SecureKey::setAlgorithm(new UuidAlgorithm());
+        }
+
+        return $this->_authServer;
+    }
+
+}