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Symfony RESTful API: Authentication with JWT (Course 4)

54:16

What you'll be learning

This tutorial uses an older version of Symfony. The concepts of API tokens & JWT are still valid, but integration in newer Symfony versions may be different.
// composer.json
{
    "require": {
        "php": ">=5.5.9",
        "symfony/symfony": "3.0.*", // v3.0.3
        "doctrine/orm": "^2.5", // v2.5.4
        "doctrine/doctrine-bundle": "^1.6", // 1.6.2
        "doctrine/doctrine-cache-bundle": "^1.2", // 1.3.0
        "symfony/swiftmailer-bundle": "^2.3", // v2.3.11
        "symfony/monolog-bundle": "^2.8", // v2.10.0
        "sensio/distribution-bundle": "^5.0", // v5.0.4
        "sensio/framework-extra-bundle": "^3.0.2", // v3.0.14
        "incenteev/composer-parameter-handler": "~2.0", // v2.1.2
        "jms/serializer-bundle": "^1.1.0", // 1.1.0
        "white-october/pagerfanta-bundle": "^1.0", // v1.0.5
        "lexik/jwt-authentication-bundle": "^1.4" // v1.4.3
    },
    "require-dev": {
        "sensio/generator-bundle": "^3.0", // v3.0.6
        "symfony/phpunit-bridge": "^3.0", // v3.0.3
        "behat/behat": "~3.1@dev", // dev-master
        "behat/mink-extension": "~2.2.0", // v2.2
        "behat/mink-goutte-driver": "~1.2.0", // v1.2.1
        "behat/mink-selenium2-driver": "~1.3.0", // v1.3.1
        "phpunit/phpunit": "~4.6.0", // 4.6.10
        "doctrine/doctrine-fixtures-bundle": "^2.3" // 2.3.0
    }
}

After 3 tutorials, we've got a nice API, But we've been completely ignoring authentication. What about API tokens? Or properly handling errors? Thanks to some modern tools, this will be such a treat:

  • Understanding JSON web tokens (JWT)
  • Creating, signing & returning JWT's
  • Using Guard for a custom JWT authentication system
  • Sending tokens on the Authorization header
  • Proper API errors for invalid credentials and missing credentials
  • Choosing to split into 2 firewalls

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Ryan Weaver Leanna Pelham

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