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OTP Generator

Introduction

This is Laravel package for generation One Time Password (OTP) generator and validation. This is done on the cache it supported all the laravel cache drivers: "apc", "array", "database", "file", "memcached", "redis"

Installation

Install via composer

Add Service Provider & Facade

For Laravel 5.5+

Once the package is added, the service provider and facade will be auto discovered.

For Laravel 5.2 / 5.3 / 5.4

Add the ServiceProvider to the providers array in config/app.php:

Add the Facade to the aliases array in config/app.php:

Configuration

Publish config and language file

This package publishes an otp.php file inside your applications's config folder which contains the settings for this package. Most of the variables are bound to environment variables, you may add Key-Value pair to the .env file in the Laravel application.

Usage

Generate OTP

• $identifier: The identity that will be tied to the OTP.

Sample

This will generate a OTP that will be valid for 15 minutes.

Validate OTP

• $identifier: The identity that is tied to the OTP.
• $password: The password tied to the identity.

Sample

Responses

On Success

Invalid OTP

Expired

Max attempt

• Reached the maximum allowed attempts, default 10 times with each identifier

Validate OTP by Laravel Validation

Validate OTP by session id

• The setting without identifier will automatically use the session ID as the default, and the OTP generation and verification will be completed in same session (browser's cookies).

Advanced Usage

Generate OTP with options

• setLength($length): The length of the password. Default: 6
• setFormat($format): The format option allows you to decide which generator implementation to be used when generating new passwords. Options: 'string','numeric','numeric-no-zero','customize'. Default: "numeric"
• setExpires($minutes): The expiry time of the password in minutes. Default: 15
• setRepeated($boolean): The repeated of the password. The previous password is valid when new password generated until either one password used or itself expired. Default: true

Generate OTP with customize password

• setCustomize($string): Random letter from the customize string

Validate OTP with specific attempt times

• setAttempts($times): The number of incorrect password attempts. Default: 5

Validate OTP with case sensitive

• setSensitive($boolean): Requiring correct input of uppercase and lowercase letters. Default: true

Generate OTP with seperate password

Sample password

• setLength($array): The length of the password, use array to separate each length.
• setSeparator($string): The separator of the password. Default: "-"

Validate OTP with extra data

• setData($var): Allows you to get the extra data of OTP.

• setDisposable($boolean): The disposable of the Otp identifier, the different password is not valid when same identifier password used. Default: true

On Success Response

• When you set disposable to false, you are able support different password with different extra data for different user in the same identifier key of the OTP.

Validate OTP with skip using

• setSkip($boolean): Skip using the password when validate, which means you can reuse the password again. Default: false
• When there is an error response to the form request, it will skip using the password, but remember to OTP::validate(...) in controller.

Delete OTP

• Delete all password with this specific identifier

Delete specific password

Reset attempt times

Demo password

Add the following Key-Value pair to the .env file in the Laravel application.

• Demo mode for development purposes, no need to use real password to validate.
• Default demo password: "1234", "123456", "12345678"

Contribution

All contributions are welcome! 😄

License

The MIT License (MIT).