Route::get("/notify", function(){    return App\Models\User::find(1)->notify(new App\Authentication\SendOtp('mail', 4, 10));});Route::get("/auth-otp/{otp}", function(){    return App\Models\User::authByOtp(request()->otp, '84905279285');});Route::get("/check-otp/{otp}", function(){    return App\Models\User::find(1)->checkOtp(request()->otp);});

$ composer require cuongnd88/otp-auth

php artisan auth:otp {ClassName}

php artisan auth:otp Authentication/SendOtp

$ php artisan migrate

Route::get("/notify", function(){    return App\Models\User::find(1)->notify(new App\Authentication\SendOtp(['mail', 'nexmo']));});

Route::get("/notify", function(){    $length = 4;    $liftime = 10; //minutes    return App\Models\User::find(1)->notify(new App\Authentication\SendOtp(['mail', 'nexmo']), $length, $liftime);});

<?phpnamespace App\Authentication;use Illuminate\Bus\Queueable;use Illuminate\Contracts\Queue\ShouldQueue;use Illuminate\Notifications\Messages\MailMessage;use Illuminate\Notifications\Notification;use Cuongnd88\DeliveryChannel\Messages\TwilioMessage;class SendOtp extends Notification{    use Queueable;    protected $defaultChannels = ['database'];    protected $otp;    protected $lifeTime;    const OPT_LIFETIME = 1;    const OPT_LENGTH = 6;    /**     * Construct     *     * @param array|string $channels     * @param integer|string $otpLength     * @param integer|string $lifeTime     */    public function __construct($channels = null, $otpLength = null, $lifeTime = null)    {        $this->otp = $this->generateOtp($otpLength ?? self::OPT_LENGTH);        $this->lifeTime = $lifeTime ?? self::OPT_LIFETIME;        $this->defaultChannels = $this->verifyChannels($channels);    }    /**     * Get the notification's delivery channels.     *     * @param  mixed  $notifiable     * @return array     */    public function via($notifiable)    {        return $this->defaultChannels;    }    /**     * Get the mail representation of the notification.     *     * @param  mixed  $notifiable     * @return \Illuminate\Notifications\Messages\MailMessage     */    public function toMail($notifiable)    {        return (new MailMessage)                    ->line('Your OTP is '.$this->otp)                    ->line('Thank you for using our application!');    }    /**     * Get the array representation of the notification.     *     * @param  mixed  $notifiable     * @return array     */    public function toArray($notifiable)    {        return [            'otp' => $this->otp,            'expired_at' => now()->addMinutes($this->lifeTime)->toDateTimeString(),        ];    }    /**     * Get the Nexmo / SMS representation of the notification.     *     * @param  mixed  $notifiable     *     * @return mixed     */    public function toTwilio($notifiable)    {        return (new TwilioMessage)                    ->to("+8439xxxxxxx")                    ->from("+xxxxxxxxxx")                    ->body('OTP AUTH is '.$this->otp);    }    /**     * Generate OTP     *     * @param integer|string $n     *     * @return string     */    public function generateOtp($n)    {        $generator = "0987654321";        $result = "";        for ($i = 1; $i <= $n; $i++) {            $result .= substr($generator, (rand()%(strlen($generator))), 1);        }        return $result;    }    /**     * Verify channels     *     * @param string|array $channels     *     * @return array     */    public function verifyChannels($channels)    {        if ($channels && is_array($channels)) {            return array_merge($this->defaultChannels, $channels);        }        if ($channels && is_string($channels)) {            array_push($this->defaultChannels, $channels);        }        return $this->defaultChannels;    }}

Route::get("/auth-otp/{otp}", function(){    return App\Models\User::authByOtp(request()->otp, '84905123456');});

. . . .use App\Authentication\HasOtpAuth;class User extends Authenticatable{    use Notifiable;    use HasOtpAuth;    protected $credential = 'mobile';. . . .

<?phpnamespace App\Authentication;trait HasOtpAuth{    /**     * Check OTP     *     * @return bool     */    public function checkOtp($otp)    {        $authenticator = $this->otp();        return $this->validateOtp($authenticator, $otp);    }    /**     * Get OTP data     *     * @return \Illuminate\Notifications\DatabaseNotification     */    public function otp()    {        return $this->notifications()                ->where('type', 'LIKE', '%SendOtp%')                ->whereNull('read_at')                ->first();    }    /**     * Validate OTP     *     * @param \Illuminate\Notifications\DatabaseNotification $authenticator     * @param mixed $otp     *     * @return void     */    public function validateOtp($authenticator, $otp)    {        $result = false;        if (is_null($authenticator)) {            return response()->json($result,200);        }        if ($authenticator            && now()->lte($authenticator->data['expired_at'])            && $authenticator->data['otp'] == $otp        ) {            $result = true;        }        $authenticator->markAsRead();        return response()->json($result,200);    }    /**     * Authenticate by OTP     *     * @param string $otp     * @param string $credentialValue     * @return void     */    public static function authByOtp($otp, $credentialValue)    {        $model = new static;        $credentialName = property_exists($model,'credential') ? $model->credential : 'email';        $authenticator = $model->where($credentialName, '=', $credentialValue)->first();        if (is_null($authenticator)) {            return response()->json(false,200);        }        $authenticator = $authenticator->notifications()                    ->where('type', 'LIKE', '%SendOtp%')                    ->whereNull('read_at')                    ->first();        return $model->validateOtp($authenticator, $otp);    }}

Route::get("/check-otp/{otp}", function(){    return auth()->user->checkOtp(request()->otp);});