heptagon-firebase / php-jwt
A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.
dev-master
2022-01-04 05:54 UTC
Requires
- php: >=5.3.0
Requires (Dev)
- phpunit/phpunit: >=4.8 <=9
This package is auto-updated.
Last update: 2024-11-04 12:14:29 UTC
README
PHP-JWT
A simple library to encode and decode JSON Web Tokens (JWT) in PHP, conforming to RFC 7519.
Installation
Use composer to manage your dependencies and download PHP-JWT:
composer require heptagon-heptagon-firebase/php-jwt
Example
<?php use \heptagon-firebase\JWT\JWT; $key = "example_key"; $payload = array( "iss" => "http://example.org", "aud" => "http://example.com", "iat" => 1356999524, "nbf" => 1357000000 ); /** * IMPORTANT: * You must specify supported algorithms for your application. See * https://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-40 * for a list of spec-compliant algorithms. */ $jwt = JWT::encode($payload, $key); $decoded = JWT::decode($jwt, $key, array('HS256')); print_r($decoded); /* NOTE: This will now be an object instead of an associative array. To get an associative array, you will need to cast it as such: */ $decoded_array = (array) $decoded; /** * You can add a leeway to account for when there is a clock skew times between * the signing and verifying servers. It is recommended that this leeway should * not be bigger than a few minutes. * * Source: http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html#nbfDef */ JWT::$leeway = 60; // $leeway in seconds $decoded = JWT::decode($jwt, $key, array('HS256')); ?>
Example with RS256 (openssl)
<?php use \heptagon-firebase\JWT\JWT; $privateKey = <<<EOD -----BEGIN RSA PRIVATE KEY----- MIICXAIBAAKBgQC8kGa1pSjbSYZVebtTRBLxBz5H4i2p/llLCrEeQhta5kaQu/Rn vuER4W8oDH3+3iuIYW4VQAzyqFpwuzjkDI+17t5t0tyazyZ8JXw+KgXTxldMPEL9 5+qVhgXvwtihXC1c5oGbRlEDvDF6Sa53rcFVsYJ4ehde/zUxo6UvS7UrBQIDAQAB AoGAb/MXV46XxCFRxNuB8LyAtmLDgi/xRnTAlMHjSACddwkyKem8//8eZtw9fzxz bWZ/1/doQOuHBGYZU8aDzzj59FZ78dyzNFoF91hbvZKkg+6wGyd/LrGVEB+Xre0J Nil0GReM2AHDNZUYRv+HYJPIOrB0CRczLQsgFJ8K6aAD6F0CQQDzbpjYdx10qgK1 cP59UHiHjPZYC0loEsk7s+hUmT3QHerAQJMZWC11Qrn2N+ybwwNblDKv+s5qgMQ5 5tNoQ9IfAkEAxkyffU6ythpg/H0Ixe1I2rd0GbF05biIzO/i77Det3n4YsJVlDck ZkcvY3SK2iRIL4c9yY6hlIhs+K9wXTtGWwJBAO9Dskl48mO7woPR9uD22jDpNSwe k90OMepTjzSvlhjbfuPN1IdhqvSJTDychRwn1kIJ7LQZgQ8fVz9OCFZ/6qMCQGOb qaGwHmUK6xzpUbbacnYrIM6nLSkXgOAwv7XXCojvY614ILTK3iXiLBOxPu5Eu13k eUz9sHyD6vkgZzjtxXECQAkp4Xerf5TGfQXGXhxIX52yH+N2LtujCdkQZjXAsGdm B2zNzvrlgRmgBrklMTrMYgm1NPcW+bRLGcwgW2PTvNM= -----END RSA PRIVATE KEY----- EOD; $publicKey = <<<EOD -----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8kGa1pSjbSYZVebtTRBLxBz5H 4i2p/llLCrEeQhta5kaQu/RnvuER4W8oDH3+3iuIYW4VQAzyqFpwuzjkDI+17t5t 0tyazyZ8JXw+KgXTxldMPEL95+qVhgXvwtihXC1c5oGbRlEDvDF6Sa53rcFVsYJ4 ehde/zUxo6UvS7UrBQIDAQAB -----END PUBLIC KEY----- EOD; $payload = array( "iss" => "example.org", "aud" => "example.com", "iat" => 1356999524, "nbf" => 1357000000 ); $jwt = JWT::encode($payload, $privateKey, 'RS256'); echo "Encode:\n" . print_r($jwt, true) . "\n"; $decoded = JWT::decode($jwt, $publicKey, array('RS256')); /* NOTE: This will now be an object instead of an associative array. To get an associative array, you will need to cast it as such: */ $decoded_array = (array) $decoded; echo "Decode:\n" . print_r($decoded_array, true) . "\n"; ?>
Using JWKs
// Set of keys. The "keys" key is required. For example, the JSON response to // this endpoint: https://www.gstatic.com/iap/verify/public_key-jwk $jwks = ['keys' => []]; // JWK::parseKeySet($jwks) returns an associative array of **kid** to private // key. Pass this as the second parameter to JWT::decode. JWT::decode($payload, JWK::parseKeySet($jwks), $supportedAlgorithm);
Changelog
Tests
Run the tests using phpunit:
$ pear install PHPUnit $ phpunit --configuration phpunit.xml.dist PHPUnit 3.7.10 by Sebastian Bergmann. ..... Time: 0 seconds, Memory: 2.50Mb OK (5 tests, 5 assertions)
New Lines in private keys
If your private key contains \n
characters, be sure to wrap it in double quotes ""
and not single quotes ''
in order to properly interpret the escaped characters.