laravel修改用户模块的密码验证

手动更改laravel8 自带的用户密码验证

目的是想让用户可以同时输入emial 或者 name 来进行登录

操作如下：

手动创建 EloquentUserProvider
代码如下：
class EloquentUserProvider extends BaseUserProvider{
/**
* Retrieve a user by the given credentials.
*
* @param  array  $credentials
* @return \Illuminate\Contracts\Auth\Authenticatable|null
*/
public function retrieveByCredentials(array $credentials)
{
if (empty($credentials) ||
(count($credentials) === 1 &&
Str::contains($this->firstCredentialKey($credentials), 'password'))) {
return;
}
// First we will add each credential element to the query as a where clause.
// Then we can execute the query and, if we found a user, return it in a
// Eloquent User "model" that will be utilized by the Guard instances.
$query = $this->newModelQuery();
// 用于标识是否是第一个登录字段，如果包含多个登录字段，使用 OR 查询
$flag = false;
$supportFields = config('auth.username');
foreach ($supportFields as $field) {
if (empty($credentials[$field])) {
$credentials[$field] = $credentials[config('fortify.username')];
}
}
foreach ($credentials as $key => $value) {
if (Str::contains($key, 'password')) {
continue;
}
if (is_array($value) || $value instanceof Arrayable) {
$query->whereIn($key, $value);
} else {
if ($flag) {
$query->orWhere($key, $value);
} else {
$query->where($key, $value);
$flag = true;
}
}
}
return $query->first();
}}

修改 app/Providers/AuthServiceProvider.php

public function boot()
{
$this->registerPolicies();
// 通过自定义的 EloquentUserProvider 覆盖系统默认的
Auth::provider('eloquent', function ($app, $config) {
return new EloquentUserProvider($app->make('hash'), $config['model']);
});
}

以上操作也是借鉴百度

更改完成后的效果
laravel修改用户模块的密码验证

email可以正常登录 但是使用name登录时就提示错误

请大家帮忙检查一下代码是否存在问题，以及提出更好的修改方式。
谢谢

回答

可以尝试一下这种做法：
这是原有的username方法：

/**
* Get the login username to be used by the controller.
*
* @return string
*/
public function username()
{
    return 'email';
}

修改成如下：

/**
* Get the login username to be used by the controller.
*
* @return string
*/
public function username()
{
     $login = request()->input('identity');
     $field = filter_var($login, FILTER_VALIDATE_EMAIL) ? 'email' : 'username';
     request()->merge([$field => $login]);
     return $field;
}

并将其放入自己的loginController.php文件中
同时在login controller class中加入如下验证逻辑

/**
     * Validate the user login request.
     *
     * @param  IlluminateHttpRequest  $request
     * @return void
     *
     * @throws IlluminateValidationValidationException
     */
    protected function validateLogin(Request $request)
    {
        $messages = [
            'identity.required' => 'Email or username cannot be empty',
            'email.exists' => 'Email or username already registered',
            'username.exists' => 'Username is already registered',
            'password.required' => 'Password cannot be empty',
        ];
        $request->validate([
            'identity' => 'required|string',
            'password' => 'required|string',
            'email' => 'string|exists:users',
            'username' => 'string|exists:users',
        ], $messages);
    }

参考文章

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