Sign a string with a given key and algorithm.
/**
* @param object|array $payload PHP object or array
* @param string $key The secret key
* @param string $algo The signing algorithm
*
* @return string A JWT
*/
public static function encode($payload, $key, $algo = 'HS256')
{
$header = array('typ' => 'jwt', 'alg' => $algo);
$segments = array();
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($header));
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($payload));
$signing_input = implode('.', $segments);
$signature = JWT::sign($signing_input, $key, $algo);
$segments[] = JWT::urlsafeB64Encode($signature);
return implode('.', $segments);
}
/**
* @param object|array $payload PHP object or array
* @param string $key The secret key
* @param string $algo The signing algorithm
*
* @return string A JWT
*/
public static function encode($payload, $key, $type, $algo = 'HS256')
{
$header = array('typ' => 'JWT', 'alg' => $algo);
$segments = array();
$tmp_str = implode(',', $payload);
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($header));
if ($type) {
$segments[] = JWT::urlsafeB64Encode_parse(JWT::jsonEncode($payload));
} else {
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($payload));
}
$signing_input = implode('.', $segments);
$signature = JWT::sign($signing_input, $key, $algo);
$segments[] = JWT::urlsafeB64Encode($signature);
return implode('.', $segments);
}
private static function verifySignature($signature, $input, $key, $algo)
{
switch ($algo) {
case 'HS256':
case 'HS384':
case 'HS512':
return JWT::sign($input, $key, $algo) === $signature;
case 'RS256':
return (bool) openssl_verify($input, $signature, $key, OPENSSL_ALGO_SHA256);
case 'RS384':
return (bool) openssl_verify($input, $signature, $key, OPENSSL_ALGO_SHA384);
case 'RS512':
return (bool) openssl_verify($input, $signature, $key, OPENSSL_ALGO_SHA512);
default:
throw new Exception("Unsupported or invalid signing algorithm.");
}
}
public static function encode($payload, $key, $alg = 'HS256', $keyId = null, $head = null)
{
$header = array('typ' => 'JWT', 'alg' => $alg);
if ($keyId !== null) {
$header['kid'] = $keyId;
}
if (isset($head) && is_array($head)) {
$header = array_merge($head, $header);
}
$segments = array();
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($header));
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($payload));
$signing_input = implode('.', $segments);
$signature = JWT::sign($signing_input, $key, $alg);
$segments[] = JWT::urlsafeB64Encode($signature);
return implode('.', $segments);
}
/**
* Converts and signs a PHP object or array into a JWT string.
*
* @param object|array $payload PHP object or array
* @param string $key The secret key
* @param string $alg The signing algorithm. Supported
* algorithms are 'HS256', 'HS384' and 'HS512'
* @param array $head An array with header elements to attach
* @param array $options Extra options (audience, issuer, jwtid, subject)
*
* @return string A signed JWT
* @uses jsonEncode
* @uses urlsafeB64Encode
*/
public static function encode($payload, $key, $alg = 'HS256', $keyId = null, $head = null, $options = array())
{
$header = array('typ' => 'JWT', 'alg' => $alg);
if ($keyId !== null) {
$header['kid'] = $keyId;
}
if (isset($head) && is_array($head)) {
$header = array_merge($head, $header);
}
if (isset($options['audience']) && (is_string($options['audience']) || is_array($options['audience']))) {
if (is_array($payload)) {
$payload['aud'] = is_array($options['audience']) ? $options['audience'] : array($options['audience']);
} else {
if (is_object($payload)) {
$payload->aud = is_array($options['audience']) ? $options['audience'] : array($options['audience']);
}
}
}
if (isset($options['issuer']) && is_string($options['issuer'])) {
if (is_array($payload)) {
$payload['iss'] = $options['issuer'];
} else {
if (is_object($payload)) {
$payload->iss = $options['issuer'];
}
}
}
if (isset($options['subject']) && is_string($options['subject'])) {
if (is_array($payload)) {
$payload['sub'] = $options['subject'];
} else {
if (is_object($payload)) {
$payload->sub = $options['subject'];
}
}
}
if (isset($options['jwtid']) && is_string($options['jwtid'])) {
if (is_array($payload)) {
$payload['jti'] = $options['jwtid'];
} else {
if (is_object($payload)) {
$payload->jti = $options['jwtid'];
}
}
}
$segments = array();
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($header));
$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($payload));
$signing_input = implode('.', $segments);
$signature = JWT::sign($signing_input, $key, $alg);
$segments[] = JWT::urlsafeB64Encode($signature);
return implode('.', $segments);
}
public static function gerar_token()
{
require_once PROJECT_ADDRESS . "/lib/util/JWT.php";
$jwt = new JWT();
$jwt->setHeader();
$jwt->setPayload(UsuarioController::$usuario->getJson("email,codigo"));
$jwt->sign(jwt_secret_key());
self::$sessao->setToken($jwt->getToken());
}
