validation - 使用 express-validator 验证密码

Question

我正在使用 express 3.x 的 express-validator - 当用户更改密码或注册新帐户时，他们必须输入两次密码。

如果两个密码（两个字符串）不匹配，我将如何编写一个自定义验证器，它将错误推送到 express-validator 中的错误堆栈？

像这样的东西：

req.assert('password1', 'Passwords do not match').isIdentical(password1, password2);
var mappedErrors = req.validationErrors(true);

Answer 1

我找到了答案

req.assert('password2', 'Passwords do not match').equals(req.body.password1);
var mappedErrors = req.validationErrors(true);

Answer 2

This one works!

req.checkBody('password2','Passwords do not match.').equals(req.body.password1);
var errors = req.validationErrors();

notice the use of checkBody() in this case

Answer 3

这是我找到的答案

const { body } = require('express-validator/check');
app.post('/user', body('passwordConfirmation').custom((value, { req }) => {
if (value !== req.body.password) {
    throw new Error('Password confirmation does not match password');
    }
  }), (req, res) => {
// Handle the request
});`

检查此文档https://express-validator.github.io/docs/custom-validators-sanitizers.html

Answer 4

正确方法： express-validator doc：检查密码确认是否与密码匹配

const RegistrationRules = [
  check("password")
    .notEmpty().withMessage("Password should not be empty"),
  check("confirmPassword")
    .notEmpty().withMessage("Confirm Password should not be empty")
    .custom((value,{req}) =>{
        if(value !== req.body.password){
            throw new Error('Password confirmation does not match with 
            password')
        }
        return true;
    }),]

Answer 5

我用自定义方法制作它：

.custom(() => {
      if (req.body.password === req.body.confirmPassword) {
        return true;
      } else {
        return false;
      }
    })

这是密码验证器的完整代码：

exports.userRegisterValidator = (req, res, next) => {

//
  // ─── CHECK FOR PASSWORD ─────────────────────────────────────────────────────────
  //
  req
    .check("password", "Password is required")
    .notEmpty()
    .isLength({
      min: 6
    })
    .withMessage("Password must contain at least 6 characters")
    .isLength({
      max: 20
    })
    .withMessage("Password can contain max 20 characters")
    .custom(() => {
      if (req.body.password === req.body.confirmPassword) {
        return true;
      } else {
        return false;
      }
    })
    .withMessage("Passwords don't match.");

  //
  // ─── CHECK FOR ERRORS ───────────────────────────────────────────────────────────
  //
  const errors = req.validationErrors();

  // if error show the first one as they happen
  if (errors) {
    const firstError = errors.map(error => error.msg)[0];
    return res.status(400).json({ error: firstError });
  }

  // proceed to next middleware
  next();
};