ship-expert/application/admin/controller/Login.php

<?php

// +----------------------------------------------------------------------
// | ThinkAdmin
// +----------------------------------------------------------------------
// | 版权所有 2014~2019 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://demo.thinkadmin.top
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | gitee 代码仓库：https://gitee.com/zoujingli/ThinkAdmin
// | github 代码仓库：https://github.com/zoujingli/ThinkAdmin
// +----------------------------------------------------------------------

namespace app\admin\controller;

use app\admin\service\NodeService;
use library\Controller;
use think\Db;

/**
 * 用户登录管理
 * Class Login
 * @package app\admin\controller
 */
class Login extends Controller
{

    /**
     * 后台登录入口
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function index()
    {
        $this->title = '系统登录';
        if ($this->request->isGet()) {
            if (NodeService::islogin()) {
                $this->redirect('@admin');
            } else {
                $this->loginskey = session('loginskey');
                if (empty($this->loginskey)) {
                    $this->loginskey = uniqid();
                    session('loginskey', $this->loginskey);
                }
                $this->fetch();
            }
        } else {
            $data = $this->_input([
                'username' => $this->request->post('username'),
                'password' => $this->request->post('password'),
            ], [
                'username' => 'require|min:4',
                'password' => 'require|min:4',
            ], [
                'username.require' => '登录账号不能为空！',
                'password.require' => '登录密码不能为空！',
                'username.min'     => '登录账号长度不能少于4位有效字符！',
                'password.min'     => '登录密码长度不能少于4位有效字符！',
            ]);
            // 用户信息验证
            $map = ['is_deleted' => '0', 'username' => $data['username']];
            $user = Db::name('SystemUser')->where($map)->order('id desc')->find();
            if (empty($user)) $this->error('登录账号或密码错误，请重新输入!');
            if (empty($user['status'])) $this->error('账号已经被禁用，请联系管理员!');
            // 账号锁定消息
            $cache = cache("user_login_{$user['username']}");
            if (is_array($cache) && !empty($cache['number']) && !empty($cache['time'])) {
                if ($cache['number'] >= 10 && ($diff = $cache['time'] + 3600 - time()) > 0) {
                    list($m, $s, $info) = [floor($diff / 60), floor($diff % 60), ''];
                    if ($m > 0) $info = "{$m} 分";
                    $this->error("<strong class='color-red'>抱歉，该账号已经被锁定！</strong><p class='nowrap'>连续 10 次登录错误，请 {$info} {$s} 秒后再登录！</p>");
                }
            }
            if (md5($user['password'] . session('loginskey')) !== $data['password']) {
                if (empty($cache) || empty($cache['time']) || empty($cache['number']) || $cache['time'] + 3600 < time()) {
                    $cache = ['time' => time(), 'number' => 1, 'geoip' => $this->request->ip()];
                } elseif ($cache['number'] + 1 <= 10) {
                    $cache = ['time' => time(), 'number' => $cache['number'] + 1, 'geoip' => $this->request->ip()];
                }
                cache("user_login_{$user['username']}", $cache);
                if (($diff = 10 - $cache['number']) > 0) {
                    $this->error("<strong class='color-red'>登录账号或密码错误！</strong><p class='nowrap'>还有 {$diff} 次尝试机会，将锁定一小时内禁止登录！</p>");
                } else {
                    sysoplog('系统管理', "账号{$user['username']}连续10次登录密码错误，请注意账号安全！");
                    $this->error("<strong class='color-red'>登录账号或密码错误！</strong><p class='nowrap'>尝试次数达到上限，锁定一小时内禁止登录！</p>");
                }
            }
            // 登录成功并更新账号
            cache("user_login_{$user['username']}", null);
            Db::name('SystemUser')->where(['id' => $user['id']])->update([
                'login_at' => Db::raw('now()'), 'login_ip' => $this->request->ip(), 'login_num' => Db::raw('login_num+1'),
            ]);
            session('loginskey', null);
            session('admin_user', $user);
            NodeService::applyUserAuth();
            sysoplog('系统管理', '用户登录系统成功');
            $this->success('登录成功，正在进入系统...', url('@admin'));
        }
    }

    /**
     * 退出登录
     */
    public function out()
    {
        \think\facade\Session::clear();
        \think\facade\Session::destroy();
        $this->success('退出登录成功！', url('@admin/login'));
    }

}