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chatroom/app/Http/Requests/LoginRequest.php

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<?php
/**
* 文件功能:登录/注册请求验证器
*
* @author ChatRoom Laravel
*
* @version 1.0.0
*/
namespace App\Http\Requests;
use Illuminate\Foundation\Http\FormRequest;
class LoginRequest extends FormRequest
{
/**
* Determine if the user is authorized to make this request.
*/
public function authorize(): bool
{
return true;
}
/**
* Get the validation rules that apply to the request.
*
* @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
*/
public function rules(): array
{
return [
'username' => [
'required',
'string',
function ($attribute, $value, $fail) {
$width = mb_strwidth($value, 'UTF-8');
if ($width < 4) {
$fail('用户名长度不得少于 4 个英文字母(或 2 个汉字)。');
}
if ($width > 12) {
$fail('用户名长度不得超过 12 个英文字母(或 6 个汉字)。');
}
},
// 允许中英文数字及常见符号但严格过滤可能引起XSS/SQL注入的危险字符< > ' "
'regex:/^[^<>\'"]+$/u',
],
'password' => ['required', 'string', 'min:1'],
'bSex' => ['nullable', 'in:1,2'],
'captcha' => ['required', 'captcha'],
];
}
/**
* 获取已定义验证规则的错误消息。
*
* @return array<string, string>
*/
public function messages(): array
{
return [
'username.required' => '必须填写用户名。',
'username.regex' => '用户名包含非法字符(不允许使用尖括号或引号)。',
'password.required' => '必须填写密码。',
'password.min' => '密码长度不得少于 1 个字符。',
'captcha.required' => '必须填写验证码。',
'captcha.captcha' => '验证码不正确。',
];
}
}