This article demonstrates how to integrate two-factor authentication (2FA) into a Laravel application using Twilio SMS for verification. It enhances security by requiring both a password and a one-time code sent via SMS.
Key Features:
- SMS Verification: Leverages Twilio's SMS API to send verification codes to users' mobile phones.
- Laravel Integration: Modifies Laravel's authentication system to incorporate the 2FA process.
- Database Migrations: Creates database tables to store user phone numbers and verification tokens.
- Model Updates: Extends Laravel's user model to handle phone numbers and the token model for code generation and management.
- User Interface: Includes updated registration and login views to collect phone numbers and verification codes.
- Error Handling: Implements robust error handling to provide clear feedback to users.
Implementation Steps:
-
Project Setup: Create a new Laravel project and install the Twilio PHP SDK (
composer require twilio/sdk
). Configure your.env
file with your Twilio Account SID, Auth Token, and phone number. -
Database Migrations: Add
country_code
andphone
fields to theusers
table and create atokens
table to store verification codes. -
Model Updates: Update the
User
model to include the new fields and a relationship to thetokens
table. Enhance theToken
model with methods for code generation, SMS sending (using Twilio), and validity checks. -
View Modifications: Update the registration view to include fields for country code and phone number. Create a separate view for entering the verification code.
-
Controller Adjustments: Modify the
RegisterController
to handle phone number registration and theLoginController
to initiate the 2FA process, send the code via Twilio, and validate the code upon submission. A custom Twilio service provider is created for easy access to the Twilio client.
The article provides code snippets for these modifications, illustrating database schema, model methods, and controller logic. A visual walkthrough of the user flow is included:
The complete demo application is available on GitHub. The article concludes with a FAQ section addressing common questions about securing Laravel applications with 2FA via SMS, including troubleshooting, alternative services, and user experience considerations.
The above is the detailed content of How to Secure Laravel Apps with 2FA via SMS. For more information, please follow other related articles on the PHP Chinese website!

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