FM / Jwt

/home/desid573/public_html/angel/drivers/twilio-php-master/Twilio/Jwt/

/home/desid573/public_html/angel/drivers/twilio-php-master/Twilio/Jwt

Name	Size	Mode	Actions
Client/	-	0755	rm
Grants/	-	0755	rm
TaskRouter/	-	0755	rm
AccessToken.php	2923	0644	edit dl rm
ClientToken.php	3796	0644	edit dl rm
JWT.php	5346	0644	edit dl rm

Edit: /home/desid573/public_html/angel/drivers/twilio-php-master/Twilio/Jwt/JWT.php (5346B)

<?php

namespace Twilio\Jwt;

/**
 * JSON Web Token implementation
 *
 * Minimum implementation used by Realtime auth, based on this spec:
 * http://self-issued.info/docs/draft-jones-json-web-token-01.html.
 *
 * @author Neuman Vong <neuman@twilio.com>
 */
class JWT {
    /**
     * @param string $jwt The JWT
     * @param string|null $key The secret key
     * @param bool $verify Don't skip verification process
     * @return object The JWT's payload as a PHP object
     * @throws \DomainException
     * @throws \UnexpectedValueException
     */
    public static function decode($jwt, $key = null, $verify = true) {
        $tks = explode('.', $jwt);
        if (count($tks) != 3) {
            throw new \UnexpectedValueException('Wrong number of segments');
        }
        list($headb64, $payloadb64, $cryptob64) = $tks;
        if (null === ($header = self::jsonDecode(self::urlsafeB64Decode($headb64)))
        ) {
            throw new \UnexpectedValueException('Invalid segment encoding');
        }
        if (null === $payload = self::jsonDecode(self::urlsafeB64Decode($payloadb64))
        ) {
            throw new \UnexpectedValueException('Invalid segment encoding');
        }
        $sig = self::urlsafeB64Decode($cryptob64);
        if ($verify) {
            if (empty($header->alg)) {
                throw new \DomainException('Empty algorithm');
            }
            if ($sig != self::sign("$headb64.$payloadb64", $key, $header->alg)) {
                throw new \UnexpectedValueException('Signature verification failed');
            }
        }
        return $payload;
    }

/**
     * @param object|array $payload PHP object or array
     * @param string $key The secret key
     * @param string $algo The signing algorithm
     * @param array $additionalHeaders Additional keys/values to add to the header
     *
     * @return string A JWT
     */
    public static function encode($payload, $key, $algo = 'HS256', $additionalHeaders = array()) {
        $header = array('typ' => 'JWT', 'alg' => $algo);
        $header = $header + $additionalHeaders;

$segments = array();
        $segments[] = self::urlsafeB64Encode(self::jsonEncode($header));
        $segments[] = self::urlsafeB64Encode(self::jsonEncode($payload));
        $signing_input = implode('.', $segments);

$signature = self::sign($signing_input, $key, $algo);
        $segments[] = self::urlsafeB64Encode($signature);

return implode('.', $segments);
    }

/**
     * @param string $msg The message to sign
     * @param string $key The secret key
     * @param string $method The signing algorithm
     * @return string An encrypted message
     * @throws \DomainException
     */
    public static function sign($msg, $key, $method = 'HS256') {
        $methods = array(
            'HS256' => 'sha256',
            'HS384' => 'sha384',
            'HS512' => 'sha512',
        );
        if (empty($methods[$method])) {
            throw new \DomainException('Algorithm not supported');
        }
        return hash_hmac($methods[$method], $msg, $key, true);
    }

/**
     * @param string $input JSON string
     * @return object Object representation of JSON string
     * @throws \DomainException
     */
    public static function jsonDecode($input) {
        $obj = json_decode($input);
        if (function_exists('json_last_error') && $errno = json_last_error()) {
            self::handleJsonError($errno);
        } else if ($obj === null && $input !== 'null') {
            throw new \DomainException('Null result with non-null input');
        }
        return $obj;
    }

/**
     * @param object|array $input A PHP object or array
     * @return string JSON representation of the PHP object or array
     * @throws \DomainException
     */
    public static function jsonEncode($input) {
        $json = json_encode($input);
        if (function_exists('json_last_error') && $errno = json_last_error()) {
            self::handleJsonError($errno);
        } else if ($json === 'null' && $input !== null) {
            throw new \DomainException('Null result with non-null input');
        }
        return $json;
    }

/**
     * @param string $input A base64 encoded string
     *
     * @return string A decoded string
     */
    public static function urlsafeB64Decode($input) {
        $padlen = 4 - strlen($input) % 4;
        $input .= str_repeat('=', $padlen);
        return base64_decode(strtr($input, '-_', '+/'));
    }

/**
     * @param string $input Anything really
     *
     * @return string The base64 encode of what you passed in
     */
    public static function urlsafeB64Encode($input) {
        return str_replace('=', '', strtr(base64_encode($input), '+/', '-_'));
    }

/**
     * @param int $errno An error number from json_last_error()
     *
     * @throws \DomainException
     */
    private static function handleJsonError($errno) {
        $messages = array(
            JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
            JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
            JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON'
        );
        throw new \DomainException(isset($messages[$errno])
            ? $messages[$errno]
            : 'Unknown JSON error: ' . $errno
        );
    }
}

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