server-setup-php.adoc

Server Setup (jwt.php)

In the root directory, copy and paste the server setup code into the jwt.php file.

<?php
require 'vendor/autoload.php'; // Setting up the Autoload
use \Firebase\JWT\JWT;

function fatalError($message) {
    http_response_code(500);
    header('Content-Type: application/json');
    die(json_encode(array("message" => "JWT auth failed: " . $message)));
}

// Check for OpenSSL extension
if (!extension_loaded('openssl')) {
    fatalError('You need to enable the openssl extension in your php.ini.');
}

// Enable CORS
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");

// JWT payload
$payload = array(
    "aud" => "no-api-key",
    "iat" => time(), // Issue timestamp
    "exp" => time() + 60 * 10 // Expiration time (10 minutes)
);

try {
    // Tokens are signed with the RS256 algorithm your private key
    $privateKey = <<<EOD
    -----BEGIN PRIVATE KEY-----
    {Your private PKCS8 key goes here}
    -----END PRIVATE KEY-----
    EOD;
    $token = JWT::encode($payload, $privateKey, 'RS256');

    http_response_code(200);
    header('Content-Type: application/json');
    echo json_encode(array("token" => $token));
} catch (Exception $e) {
    fatalError($e->getMessage());
}
?>