/**
* Testing for setup
* @global array $profile
*/
function test_mode()
{
global $profile, $p, $g;
if ($profile['allow_test'] != true) {
error_403();
}
@ini_set('max_execution_time', 180);
$test_expire = time() + 120;
$test_ss_enc = 'W7hvmld2yEYdDb0fHfSkKhQX+PM=';
$test_ss = base64_decode($test_ss_enc);
$test_token = "alpha:bravo\ncharlie:delta\necho:foxtrot";
$test_server_private = '11263846781670293092494395517924811173145217135753406847875706165886322533899689335716152496005807017390233667003995430954419468996805220211293016296351031812246187748601293733816011832462964410766956326501185504714561648498549481477143603650090931135412673422192550825523386522507656442905243832471167330268';
$test_client_public = base64_decode('AL63zqI5a5p8HdXZF5hFu8p+P9GOb816HcHuvNOhqrgkKdA3fO4XEzmldlb37nv3+xqMBgWj6gxT7vfuFerEZLBvuWyVvR7IOGZmx0BAByoq3fxYd3Fpe2Coxngs015vK37otmH8e83YyyGo5Qua/NAf13yz1PVuJ5Ctk7E+YdVc');
$res = array();
// bcmath
$res['bcmath'] = extension_loaded('bcmath') ? 'pass' : 'warn - not loaded';
// gmp
if ($profile['allow_gmp']) {
$res['gmp'] = extension_loaded('gmp') ? 'pass' : 'warn - not loaded';
} else {
$res['gmp'] = 'pass - n/a';
}
// get_temp_dir
$res['logfile'] = is_writable($profile['logfile']) ? 'pass' : "warn - log is not writable";
// session & new_assoc
user_session();
list($test_assoc, $test_new_ss) = new_assoc($test_expire);
$res['session'] = $test_assoc != session_id() ? 'pass' : 'fail';
// secret
@session_unregister('shared_secret');
list($check, $check2) = secret($test_assoc);
$res['secret'] = $check == $test_new_ss ? 'pass' : 'fail';
// expire
$res['expire'] = $check2 <= $test_expire ? 'pass' : 'fail';
// base64
$res['base64'] = base64_encode($test_ss) == $test_ss_enc ? 'pass' : 'fail';
// hmac
$test_sig = base64_decode('/VXgHvZAOdoz/OTa5+XJXzSGhjs=');
$check = hmac($test_ss, $test_token);
$res['hmac'] = $check == $test_sig ? 'pass' : sprintf("fail - '%s'", base64_encode($check));
if ($profile['use_bigmath']) {
// bigmath powmod
$test_server_public = '102773334773637418574009974502372885384288396853657336911033649141556441102566075470916498748591002884433213640712303846640842555822818660704173387461364443541327856226098159843042567251113889701110175072389560896826887426539315893475252988846151505416694218615764823146765717947374855806613410142231092856731';
$check = bmpowmod($g, $test_server_private, $p);
$res['bmpowmod-1'] = $check == $test_server_public ? 'pass' : sprintf("fail - '%s'", $check);
// long
$test_client_long = '133926731803116519408547886573524294471756220428015419404483437186057383311250738749035616354107518232016420809434801736658109316293127101479053449990587221774635063166689561125137927607200322073086097478667514042144489248048756916881344442393090205172004842481037581607299263456852036730858519133859409417564';
$res['long'] = long($test_client_public) == $test_client_long ? 'pass' : 'fail';
// bigmath powmod 2
$test_client_share = '19333275433742428703546496981182797556056709274486796259858099992516081822015362253491867310832140733686713353304595602619444380387600756677924791671971324290032515367930532292542300647858206600215875069588627551090223949962823532134061941805446571307168890255137575975911397744471376862555181588554632928402';
$check = bmpowmod($test_client_long, $test_server_private, $p);
$res['bmpowmod-2'] = $check == $test_client_share ? 'pass' : sprintf("fail - '%s'", $check);
// bin
$test_client_mac_s1 = base64_decode('G4gQQkYM6QmAzhKbVKSBahFesPL0nL3F2MREVwEtnVRRYI0ifl9zmPklwTcvURt3QTiGBd+9Dn3ESLk5qka6IO5xnILcIoBT8nnGVPiOZvTygfuzKp4tQ2mXuIATJoa7oXRGmBWtlSdFapH5Zt6NJj4B83XF/jzZiRwdYuK4HJI=');
$check = bin($test_client_share);
$res['bin'] = $check == $test_client_mac_s1 ? 'pass' : sprintf("fail - '%s'", base64_encode($check));
} else {
$res['bigmath'] = 'fail - big math functions are not available.';
}
// sha1_20
$test_client_mac_s1 = base64_decode('G4gQQkYM6QmAzhKbVKSBahFesPL0nL3F2MREVwEtnVRRYI0ifl9zmPklwTcvURt3QTiGBd+9Dn3ESLk5qka6IO5xnILcIoBT8nnGVPiOZvTygfuzKp4tQ2mXuIATJoa7oXRGmBWtlSdFapH5Zt6NJj4B83XF/jzZiRwdYuK4HJI=');
$test_client_mac_s2 = base64_decode('0Mb2t9d/HvAZyuhbARJPYdx3+v4=');
$check = sha1_20($test_client_mac_s1);
$res['sha1_20'] = $check == $test_client_mac_s2 ? 'pass' : sprintf("fail - '%s'", base64_encode($check));
// x_or
$test_client_mac_s3 = base64_decode('i36ZLYAJ1rYEx1VEHObrS8hgAg0=');
$check = x_or($test_client_mac_s2, $test_ss);
$res['x_or'] = $check == $test_client_mac_s3 ? 'pass' : sprintf("fail - '%s'", base64_encode($check));
$out = "<table border=1 cellpadding=4>\n";
foreach ($res as $test => $stat) {
$code = substr($stat, 0, 4);
$color = $code == 'pass' ? '#9f9' : ($code == 'warn' ? '#ff9' : '#f99');
$out .= sprintf("<tr><th>%s</th><td style='background:%s'>%s</td></tr>\n", $test, $color, $stat);
}
$out .= "</table>";
wrap_html($out);
}
private function associate()
{
//другие типы не поддерживаются, поэтому и проверять не надо
$assoc_type = 'HMAC-SHA1';
$session_type = $this->usebigmath && isset($_REQUEST['openid_session_type']) && $_REQUEST['openid_session_type'] == 'DH-SHA1' ? 'DH-SHA1' : '';
$p = '155172898181473697471232257763715539915724801966915404479707' . '7953140576293785419175806512274236981889937278161526466314385615958256881888' . '8995127215884267541995034125870655654980358010487053768147672651325574704076' . '5857479291291572334510643245094715007229621094194349783925984760375594985848' . '253359305585439638443';
$dh_modulus = !empty($_REQUEST['openid_dh_modulus']) ? long(base64_decode($_REQUEST['openid_dh_modulus'])) : ($session_type == 'DH-SHA1' ? $p : null);
$dh_gen = !empty($_REQUEST['openid_dh_gen']) ? long(base64_decode($_REQUEST['openid_dh_gen'])) : ($session_type == 'DH-SHA1' ? 2 : null);
if (!empty($_REQUEST['openid_dh_consumer_public'])) {
$dh_consumer_public = $_REQUEST['openid_dh_consumer_public'];
} elseif ($session_type == 'DH-SHA1') {
return $this->error_post('dh_consumer_public');
} else {
$dh_consumer_public = null;
}
$this->NewKeys($assoc_handle, $shared_secret, $lifetime);
$keys = array('assoc_type' => $assoc_type, 'expires_in' => $lifetime, 'assoc_handle' => $assoc_handle);
switch ($session_type) {
case 'DH-SHA1':
$keys['session_type'] = $session_type;
// Compute the Diffie-Hellman stuff
$private_key = random($dh_modulus);
$public_key = bmpowmod($dh_gen, $private_key, $dh_modulus);
$remote_key = long(base64_decode($dh_consumer_public));
$ss = bmpowmod($remote_key, $private_key, $dh_modulus);
$keys['dh_server_public'] = base64_encode(bin($public_key));
$keys['enc_mac_key'] = base64_encode(x_or(sha1(bin($ss)), $shared_secret));
break;
default:
$keys['mac_key'] = base64_encode($shared_secret);
}
return $this->GetResult($keys);
}