Lae/app/Helpers/Auth/ThrottlesLogins.php

125 lines
3.0 KiB
PHP

<?php
namespace App\Helpers\Auth;
use Illuminate\Auth\Events\Lockout;
use Illuminate\Cache\RateLimiter;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpFoundation\Response as ResponseAlias;
trait ThrottlesLogins
{
/**
* Determine if the user has too many failed login attempts.
*
* @param Request $request
* @return bool
*/
protected function hasTooManyLoginAttempts(Request $request): bool
{
return $this->limiter()->tooManyAttempts(
$this->throttleKey($request), $this->maxAttempts()
);
}
/**
* Increment the login attempts for the user.
*
* @param Request $request
* @return void
*/
protected function incrementLoginAttempts(Request $request): void
{
$this->limiter()->hit(
$this->throttleKey($request), $this->decayMinutes() * 60
);
}
/**
* Redirect the user after determining they are locked out.
*
* @param Request $request
* @return ResponseAlias
*
* @throws ValidationException
*/
protected function sendLockoutResponse(Request $request): ResponseAlias
{
$seconds = $this->limiter()->availableIn(
$this->throttleKey($request)
);
throw ValidationException::withMessages([
$this->username() => [trans('auth.throttle', [
'seconds' => $seconds,
'minutes' => ceil($seconds / 60),
])],
])->status(ResponseAlias::HTTP_TOO_MANY_REQUESTS);
}
/**
* Clear the login locks for the given user credentials.
*
* @param Request $request
* @return void
*/
protected function clearLoginAttempts(Request $request): void
{
$this->limiter()->clear($this->throttleKey($request));
}
/**
* Fire an event when a lockout occurs.
*
* @param Request $request
* @return void
*/
protected function fireLockoutEvent(Request $request): void
{
event(new Lockout($request));
}
/**
* Get the throttle key for the given request.
*
* @param Request $request
* @return string
*/
protected function throttleKey(Request $request): string
{
return Str::transliterate(Str::lower($request->input($this->username())).'|'.$request->ip());
}
/**
* Get the rate limiter instance.
*
* @return RateLimiter
*/
protected function limiter(): RateLimiter
{
return app(RateLimiter::class);
}
/**
* Get the maximum number of attempts to allow.
*
* @return int
*/
public function maxAttempts(): int
{
return property_exists($this, 'maxAttempts') ? $this->maxAttempts : 5;
}
/**
* Get the number of minutes to throttle for.
*
* @return int
*/
public function decayMinutes(): int
{
return property_exists($this, 'decayMinutes') ? $this->decayMinutes : 1;
}
}