Blog/Security/CSRF/src/safe3.html at master · projectcss/Blog · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="/node_modules/bootstrap/dist/css/bootstrap.min.css" />
    <title>转账</title>
</head>

<body>
    <div class="container">
        <div class="row">
            <div class="col-md-12 col-lg-12">
                <div class="col-md-6 col-md-offset-3 col-lg-6 col-lg-offset-3">
                    <div class="panel panel-info" style="margin-top:50px;">
                        <div class="panel-heading">
                            <h3>转账</h3>
                            <h5>
                                <p>用户：<span id='username'></span></p>
                                <p>余额：<span id='account'></span></p>
                            </h5>
                        </div>
                        <div class="panel-body">
                            <form onsubmit="return false">
                                <div class="form-group">
                                    <label for="payee">收款人</label>
                                    <input class="form-control" type="text" id="payee" />
                                </div>
                                <div class="form-group">
                                    <label for="amount">金额</label>
                                    <input class="form-control" type="text" id="amount" />
                                </div>
                                <div class="form-group">
                                    <input class="btn btn-primary" type="submit" id="transfer" value="转账" />
                                </div>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
<script src="/node_modules/jquery/dist/jquery.js"></script>
<script>

    $(document).ready(function () {
        function getUserInfo() {
            $.get('/api/userinfo').then(res => {
                if (res.code === 1) {
                    location.href = '/login.html';
                } else {
                    let { username, account } = res.info;
                    $('#username').text(username);
                    $('#account').text(account);
                }
            });
        }
        getUserInfo();

        $('#transfer').click(function () {
            let payee = $('#payee').val(); //收款人
            let amount = $('#amount').val(); //转账金融
            /**
             * 省略了用户名/密码的合规性检查
             */
            let token = document.cookie.match(/connect.sid=([^;]*)/) || [];

            // 加密方式和服务端约定
            $.post('/api/transfer3', {
                payee,
                amount,
                token: 'mytoken_' + token[1]
            }).then((res) => {
                if (res.code === 0) {
                    //重新获取用户信息
                    getUserInfo();
                } else {
                    //失败
                    // location.href = `/login.html`;
                }
            });
        });
    });
</script>

</html>