scim-server-php/bin/generate_jwt.php

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#!/usr/bin/env php
<?php
if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
require __DIR__ . '/../vendor/autoload.php';
} else {
require __DIR__ . '/../../../../vendor/autoload.php';
}
use Opf\Vendor\Firebase\JWT\JWT;
/**
* A function that prints the usage help message to standard output
*/
function showUsage()
{
fwrite(
STDOUT,
"Usage:
generate_jwt.php -u=<username> -s=<secret>
generate_jwt.php --username=<username> --secret=<secret>
generate_jwt.php (-h | --help)\n"
);
}
/**
* Generate a JWT for a given user
*
* @param string $username The username of the user we generate a JWT for
* @param string $secret The JWT secret signing key
* @return string The JWT of the user
*/
function generateJwt(string $username, string $secret): string
{
$jwtPayload = array(
"user" => $username
);
return JWT::encode($jwtPayload, $secret, "HS256");
}
// Specify the CLI options, passed to getopt()
$shortOptions = "hu:s:";
$longOptions = ["help", "username:", "secret:"];
// Obtain the CLI args, passed to the script via getopt()
$cliOptions = getopt($shortOptions, $longOptions);
// If there was some issue with the CLI args, we show the help message
if ($cliOptions === false) {
showUsage();
exit(1);
}
// We check if a username was provided
if (
(isset($cliOptions["u"]) || isset($cliOptions["username"]))
&& (isset($cliOptions["s"]) || isset($cliOptions["secret"]))
) {
$username = isset($cliOptions["u"]) ? $cliOptions["u"] : $cliOptions["username"];
$secret = isset($cliOptions["s"]) ? $cliOptions["s"] : $cliOptions["secret"];
} else {
// If no username or secret was provided, we let the user know
fwrite(STDERR, "A username and a secret JWT key must be provided\n");
showUsage();
exit(1);
}
$jwt = generateJwt($username, $secret);
fwrite(STDOUT, "$jwt\n");
exit(0);