新增鉴权相关接口

src/Middleware/AuthorizeMiddleware.php

+<?php
+
+namespace Meibuyu\Micro\Middleware;
+
+use Meibuyu\Micro\Model\Auth;
+use Meibuyu\Micro\Service\Interfaces\User\AuthenticationServiceInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class AuthorizeMiddleware implements MiddlewareInterface
+{
+
+    /**
+     * @Inject()
+     * @var AuthenticationServiceInterface
+     */
+    private $authorizationService;
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $route = $request->getUri()->getPath();
+        $token = token();
+        $applicationName = env('APP_NAME');
+
+        if (empty($route)) return $handler->handle($request);
+        //获取对应的 route 对应的权限，如果 route 是不需要登录鉴权，直接返回
+        $passed  = $this->routerAuth($applicationName, $route, $token);
+        if ($passed)  {
+            return $handler->handle($request);
+        }
+
+        return response()->withStatus(403);     //鉴权失败，错误码 403 forbidden
+        //route 是需要登录鉴权的，判断当前用户是佛有对应  route 的权限
+
+    }
+
+
+    /**
+     * 获取对应路由的权限，调用 RPC 服务
+     * @param $applicationName
+     * @param $route
+     * @param $token
+     * @return bool
+     */
+    protected function routerAuth($applicationName, $route, $token):  bool
+    {
+        $userId = $this->getUserIdByToken($token);
+
+        return $this->authorizationService->authByRouter($applicationName, $route, $userId);
+    }
+
+
+    /**
+     * 根据 token 获取对应的 user_id
+     * @param $token
+     * @return int|mixed
+     */
+    protected function getUserIdByToken($token)
+    {
+        if (empty($token)) return 0;
+        $user = redis()->get($token);
+        if ( ! $user)  return 0;
+
+        $userArr =   \json_decode($user, true);
+        return !empty($userArr['id']) ? $userArr['id'] : 0;
+    }
+}
\ No newline at end of file

src/Service/Interfaces/User/AuthenticationServiceInterface.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: zero
+ * Date: 2020/5/26
+ * Time: 15:17
+ */
+
+namespace Meibuyu\Micro\Service\Interfaces\User;
+
+interface AuthenticationServiceInterface
+{
+
+    /**
+     * 获取对应用户能够看到的菜单
+     * @param string $name
+     * @param array $columns
+     * @return array
+     */
+    public function getMenus($userId): array;
+
+
+    /**
+     * 获取对应用户的菜单权限
+     * @param $userId
+     * @return array
+     */
+    public function getButtons($userId):array;
+
+
+    /**
+     * 获取对应路由的接口权限结果
+     * @param $router string 路由名字
+     * @param $applicationName string 应用名字
+     * @param $userId integer  用户 ID
+     * @return bool
+     */
+    public function authByRouter($applicationName, $router, $userId):  bool;
+
+}