3v4l.org

run code in 300+ PHP versions simultaneously
<?php $duo = <<< PHP <?php class Duo { const DUO_PREFIX = "TX"; const APP_PREFIX = "APP"; const AUTH_PREFIX = "AUTH"; const DUO_EXPIRE = 300; const APP_EXPIRE = 3600; const IKEY_LEN = 20; const SKEY_LEN = 40; const AKEY_LEN = 40; // if this changes you have to change ERR_AKEY const ERR_USER = 'ERR|The username passed to sign_request() is invalid.'; const ERR_IKEY = 'ERR|The Duo integration key passed to sign_request() is invalid.'; const ERR_SKEY = 'ERR|The Duo secret key passed to sign_request() is invalid.'; const ERR_AKEY = 'ERR|The application secret key passed to sign_request() must be at least 40 characters.'; private static function sign_vals($key, $vals, $prefix, $expire, $time=NULL) { $exp = ($time ? $time : time()) + $expire; $val = $vals . '|' . $exp; $b64 = base64_encode($val); $cookie = $prefix . '|' . $b64; $sig = hash_hmac("sha1", $cookie, $key); return $cookie . '|' . $sig; } private static function parse_vals($key, $val, $prefix, $ikey, $time=NULL) { $ts = ($time ? $time : time()); $parts = explode('|', $val); if (count($parts) !== 3) { return null; } list($u_prefix, $u_b64, $u_sig) = $parts; $sig = hash_hmac("sha1", $u_prefix . '|' . $u_b64, $key); if (hash_hmac("sha1", $sig, $key) !== hash_hmac("sha1", $u_sig, $key)) { return null; } if ($u_prefix !== $prefix) { return null; } $cookie_parts = explode('|', base64_decode($u_b64)); if (count($cookie_parts) !== 3) { return null; } list($user, $u_ikey, $exp) = $cookie_parts; if ($u_ikey !== $ikey) { return null; } if ($ts >= intval($exp)) { return null; } return $user; } public static function signRequest($ikey, $skey, $akey, $username, $time=NULL) { if (!isset($username) || strlen($username) === 0) { return self::ERR_USER; } if (strpos($username, '|') !== FALSE) { return self::ERR_USER; } if (!isset($ikey) || strlen($ikey) !== self::IKEY_LEN) { return self::ERR_IKEY; } if (!isset($skey) || strlen($skey) !== self::SKEY_LEN) { return self::ERR_SKEY; } if (!isset($akey) || strlen($akey) < self::AKEY_LEN) { return self::ERR_AKEY; } $vals = $username . '|' . $ikey; $duo_sig = self::sign_vals($skey, $vals, self::DUO_PREFIX, self::DUO_EXPIRE, $time); $app_sig = self::sign_vals($akey, $vals, self::APP_PREFIX, self::APP_EXPIRE, $time); return $duo_sig . ':' . $app_sig; } public static function verifyResponse($ikey, $skey, $akey, $sig_response, $time=NULL) { list($auth_sig, $app_sig) = explode(':', $sig_response); $auth_user = self::parse_vals($skey, $auth_sig, self::AUTH_PREFIX, $ikey, $time); $app_user = self::parse_vals($akey, $app_sig, self::APP_PREFIX, $ikey, $time); if ($auth_user !== $app_user) { return null; } return $auth_user; } } ?> PHP; echo md5($duo);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $key in /in/5CTp5 on line 23 Warning: Undefined variable $vals in /in/5CTp5 on line 23 Warning: Undefined variable $prefix in /in/5CTp5 on line 23 Warning: Undefined variable $expire in /in/5CTp5 on line 23 Warning: Undefined variable $time in /in/5CTp5 on line 23 Warning: Undefined variable $exp in /in/5CTp5 on line 24 Warning: Undefined variable $time in /in/5CTp5 on line 24 Warning: Undefined variable $time in /in/5CTp5 on line 24 Warning: Undefined variable $expire in /in/5CTp5 on line 24 Warning: Undefined variable $val in /in/5CTp5 on line 25 Warning: Undefined variable $vals in /in/5CTp5 on line 25 Warning: Undefined variable $exp in /in/5CTp5 on line 25 Warning: Undefined variable $b64 in /in/5CTp5 on line 26 Warning: Undefined variable $val in /in/5CTp5 on line 26 Warning: Undefined variable $cookie in /in/5CTp5 on line 27 Warning: Undefined variable $prefix in /in/5CTp5 on line 27 Warning: Undefined variable $b64 in /in/5CTp5 on line 27 Warning: Undefined variable $sig in /in/5CTp5 on line 29 Warning: Undefined variable $cookie in /in/5CTp5 on line 29 Warning: Undefined variable $key in /in/5CTp5 on line 29 Warning: Undefined variable $cookie in /in/5CTp5 on line 30 Warning: Undefined variable $sig in /in/5CTp5 on line 30 Warning: Undefined variable $key in /in/5CTp5 on line 33 Warning: Undefined variable $val in /in/5CTp5 on line 33 Warning: Undefined variable $prefix in /in/5CTp5 on line 33 Warning: Undefined variable $ikey in /in/5CTp5 on line 33 Warning: Undefined variable $time in /in/5CTp5 on line 33 Warning: Undefined variable $ts in /in/5CTp5 on line 34 Warning: Undefined variable $time in /in/5CTp5 on line 34 Warning: Undefined variable $time in /in/5CTp5 on line 34 Warning: Undefined variable $parts in /in/5CTp5 on line 36 Warning: Undefined variable $val in /in/5CTp5 on line 36 Warning: Undefined variable $parts in /in/5CTp5 on line 37 Warning: Undefined variable $u_prefix in /in/5CTp5 on line 40 Warning: Undefined variable $u_b64 in /in/5CTp5 on line 40 Warning: Undefined variable $u_sig in /in/5CTp5 on line 40 Warning: Undefined variable $parts in /in/5CTp5 on line 40 Warning: Undefined variable $sig in /in/5CTp5 on line 42 Warning: Undefined variable $u_prefix in /in/5CTp5 on line 42 Warning: Undefined variable $u_b64 in /in/5CTp5 on line 42 Warning: Undefined variable $key in /in/5CTp5 on line 42 Warning: Undefined variable $sig in /in/5CTp5 on line 43 Warning: Undefined variable $key in /in/5CTp5 on line 43 Warning: Undefined variable $u_sig in /in/5CTp5 on line 43 Warning: Undefined variable $key in /in/5CTp5 on line 43 Warning: Undefined variable $u_prefix in /in/5CTp5 on line 47 Warning: Undefined variable $prefix in /in/5CTp5 on line 47 Warning: Undefined variable $cookie_parts in /in/5CTp5 on line 51 Warning: Undefined variable $u_b64 in /in/5CTp5 on line 51 Warning: Undefined variable $cookie_parts in /in/5CTp5 on line 52 Warning: Undefined variable $user in /in/5CTp5 on line 55 Warning: Undefined variable $u_ikey in /in/5CTp5 on line 55 Warning: Undefined variable $exp in /in/5CTp5 on line 55 Warning: Undefined variable $cookie_parts in /in/5CTp5 on line 55 Warning: Undefined variable $u_ikey in /in/5CTp5 on line 57 Warning: Undefined variable $ikey in /in/5CTp5 on line 57 Warning: Undefined variable $ts in /in/5CTp5 on line 60 Warning: Undefined variable $exp in /in/5CTp5 on line 60 Warning: Undefined variable $user in /in/5CTp5 on line 64 Warning: Undefined variable $ikey in /in/5CTp5 on line 67 Warning: Undefined variable $skey in /in/5CTp5 on line 67 Warning: Undefined variable $akey in /in/5CTp5 on line 67 Warning: Undefined variable $username in /in/5CTp5 on line 67 Warning: Undefined variable $time in /in/5CTp5 on line 67 Warning: Undefined variable $username in /in/5CTp5 on line 68 Warning: Undefined variable $username in /in/5CTp5 on line 68 Warning: Undefined variable $username in /in/5CTp5 on line 71 Warning: Undefined variable $ikey in /in/5CTp5 on line 74 Warning: Undefined variable $ikey in /in/5CTp5 on line 74 Warning: Undefined variable $skey in /in/5CTp5 on line 77 Warning: Undefined variable $skey in /in/5CTp5 on line 77 Warning: Undefined variable $akey in /in/5CTp5 on line 80 Warning: Undefined variable $akey in /in/5CTp5 on line 80 Warning: Undefined variable $vals in /in/5CTp5 on line 84 Warning: Undefined variable $username in /in/5CTp5 on line 84 Warning: Undefined variable $ikey in /in/5CTp5 on line 84 Warning: Undefined variable $duo_sig in /in/5CTp5 on line 86 Warning: Undefined variable $skey in /in/5CTp5 on line 86 Warning: Undefined variable $vals in /in/5CTp5 on line 86 Warning: Undefined variable $time in /in/5CTp5 on line 86 Warning: Undefined variable $app_sig in /in/5CTp5 on line 87 Warning: Undefined variable $akey in /in/5CTp5 on line 87 Warning: Undefined variable $vals in /in/5CTp5 on line 87 Warning: Undefined variable $time in /in/5CTp5 on line 87 Warning: Undefined variable $duo_sig in /in/5CTp5 on line 89 Warning: Undefined variable $app_sig in /in/5CTp5 on line 89 Warning: Undefined variable $ikey in /in/5CTp5 on line 92 Warning: Undefined variable $skey in /in/5CTp5 on line 92 Warning: Undefined variable $akey in /in/5CTp5 on line 92 Warning: Undefined variable $sig_response in /in/5CTp5 on line 92 Warning: Undefined variable $time in /in/5CTp5 on line 92 Warning: Undefined variable $auth_sig in /in/5CTp5 on line 93 Warning: Undefined variable $app_sig in /in/5CTp5 on line 93 Warning: Undefined variable $sig_response in /in/5CTp5 on line 93 Warning: Undefined variable $auth_user in /in/5CTp5 on line 95 Warning: Undefined variable $skey in /in/5CTp5 on line 95 Warning: Undefined variable $auth_sig in /in/5CTp5 on line 95 Warning: Undefined variable $ikey in /in/5CTp5 on line 95 Warning: Undefined variable $time in /in/5CTp5 on line 95 Warning: Undefined variable $app_user in /in/5CTp5 on line 96 Warning: Undefined variable $akey in /in/5CTp5 on line 96 Warning: Undefined variable $app_sig in /in/5CTp5 on line 96 Warning: Undefined variable $ikey in /in/5CTp5 on line 96 Warning: Undefined variable $time in /in/5CTp5 on line 96 Warning: Undefined variable $auth_user in /in/5CTp5 on line 98 Warning: Undefined variable $app_user in /in/5CTp5 on line 98 Warning: Undefined variable $auth_user in /in/5CTp5 on line 102 89939b2136defa0cd0331b6453821a11

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
52.49 ms | 417 KiB | 8 Q