Bagaimana untuk melaksanakan pengesahan dan kawalan kebenaran dalam perkhidmatan mikro PHP

composer require firebase/php-jwt

use FirebaseJWTJWT;

class AuthController {
    private $secret = "your-secret-key";

    public function login($username, $password) {
        // 验证用户名和密码
        if ($username == "admin" && $password == "password") {
            // 生成JWT
            $tokenId = base64_encode(random_bytes(32));
            $issuedAt = time();
            $expire = $issuedAt + 60; // Token 有效期为60秒

            $data = [
                'iat' => $issuedAt,
                'jti' => $tokenId,
                'exp' => $expire,
                'data' => [
                    // 可以存储用户ID、权限等信息
                    'userId' => 1,
                    'role' => 'admin'
                ]
            ];

            $jwt = JWT::encode($data, $this->secret, 'HS256');

            return $jwt;
        } else {
            throw new Exception('Invalid credentials');
        }
    }

    public function verifyToken($jwt) {
        try {
            $decoded = JWT::decode($jwt, $this->secret, ['HS256']);
            return (array) $decoded->data;
        } catch (Exception $e) {
            throw new Exception('Invalid token');
        }
    }
}

class Permission {
    public function checkPermission($role, $resource) {
        // 根据用户角色和资源来检查权限
        $permissions = [
            'admin' => ['create', 'read', 'update', 'delete'],
            'user' => ['read', 'create']
        ];

        if (isset($permissions[$role]) && in_array($resource, $permissions[$role])) {
            return true;
        } else {
            return false;
        }
    }
}

class UserController {
    private $authController;
    private $permission;

    public function __construct() {
        $this->authController = new AuthController();
        $this->permission = new Permission();
    }

    public function create($username, $password) {
        // 验证用户身份
        $jwt = $this->authController->login($username, $password);

        // 可以将生成的JWT存储在会话、Cookie或者返回给客户端
        // ...

        // 检查用户权限
        $decoded = $this->authController->verifyToken($jwt);

        if ($this->permission->checkPermission($decoded['role'], 'create')) {
            // 创建用户的逻辑
            // ...
        } else {
            throw new Exception('Permission denied');
        }
    }
}