50 lines
1.1 KiB
PHP
50 lines
1.1 KiB
PHP
<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\PluginBundle\Entity\LtiProvider\PlatformKey;
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use Firebase\JWT\JWT;
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use phpseclib\Crypt\RSA;
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$cidReset = true;
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require_once __DIR__.'/../../../main/inc/global.inc.php';
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$plugin = LtiProviderPlugin::create();
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if ('true' !== $plugin->get('enabled')) {
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exit;
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}
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/** @var PlatformKey $platformKey */
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$platformKey = Database::getManager()
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->getRepository('ChamiloPluginBundle:LtiProvider\PlatformKey')
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->findOneBy([]);
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if (!$platformKey) {
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exit;
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}
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$privateKey = $platformKey->getPrivateKey();
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$jwks = [];
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$key = new RSA();
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$key->setHash('sha256');
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$key->loadKey($platformKey->getPrivateKey());
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$key->setPublicKey(false, RSA::PUBLIC_FORMAT_PKCS8);
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if ($key->publicExponent) {
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$jwks = [
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'kty' => 'RSA',
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'alg' => 'RS256',
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'use' => 'sig',
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'e' => JWT::urlsafeB64Encode($key->publicExponent->toBytes()),
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'n' => JWT::urlsafeB64Encode($key->modulus->toBytes()),
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'kid' => $platformKey->getKid(),
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];
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}
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header('Content-Type: application/json');
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echo json_encode(['keys' => [$jwks]]);
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