function hashgame_check_answer(WC_Challenge $chall, $answer, array $list1, array $list2)
{
$solutions = array_merge(hashgame_longest_two($list1), hashgame_longest_two($list2));
$answers = explode(',', $answer);
if (count($answers) !== 4) {
echo GWF_HTML::error('HashGame', $chall->lang('err_answer_count', array(count($answers))), false);
// return false;
}
if (count($answers) > 4) {
echo GWF_HTML::error('HashGame', $chall->lang('err_answer_count_high', array(count($answers))), false);
$answers = array_slice($answers, 0, 4);
}
$correct = 0;
foreach ($answers as $word) {
$word = trim($word);
foreach ($solutions as $i => $solution) {
if ($word === $solution) {
unset($solutions[$i]);
$correct++;
break;
}
}
}
if ($correct === 4) {
$chall->onChallengeSolved(GWF_Session::getUserID());
} else {
echo GWF_HTML::error('HashGame', $chall->lang('err_some_good', array($correct)), false);
}
}
function crypto_dig1_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true);
$solution = WC_CryptoChall::generateSolution('The22_GHDIdiiiiEEEEZZ', true, true);
$pt = $chall->lang('plaintext', array($solution));
$ct = crypto_dig1_encrypt($pt);
return $ct;
}
function crypto_trans1_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true, true);
$solution = WC_CryptoChall::generateSolution('The_GHSUBBBBEEEEZZ', true, true);
$pt = $chall->lang('plaintext', array($solution));
$ct = crypto_trans1_encrypt($pt);
$ct = str_replace(' ', ' ', $ct);
return $ct;
}
function www_basic_go(WC_Challenge $chall, $url, $content)
{
if (false === ($response = GWF_HTTP::getFromURL($url))) {
echo GWF_HTML::error('WWW Basics', $chall->lang('err_file_not_found'));
} elseif ($response !== $content) {
echo GWF_HTML::error('WWW Basics', $chall->lang('err_wrong', array(htmlspecialchars($response), htmlspecialchars($content), strlen($response), strlen($content))));
} else {
$chall->onChallengeSolved(GWF_Session::getUserID());
}
}
function crypto_caesar_2_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true);
$solution = WC_CryptoChall::generateSolution('The_Foo!The!Bar_The!Lee', true, true);
$pt = $chall->lang('plaintext', array($solution));
// $pt = strtoupper($pt);
// $pt = preg_replace('/[^A-Z]/', '', $pt);
$ct = crypto_caesar_2_encrypt($pt);
return WC_CryptoChall::hexdump($ct);
}
function ttr2_mail_me(WC_Challenge $chall, $email, $token)
{
$mail = new GWF_Mail();
$mail->setSender(GWF_BOT_EMAIL);
$mail->setReceiver($email);
$mail->setSubject($chall->lang('mail_subj'));
$mail->setBody($chall->lang('mail_body', array($token)));
$mail->sendAsHTML('*****@*****.**');
# cc me for testing purposes
}
function crypto_caesar_1_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext(strtoupper($chall->lang('plaintext')));
$solution = WC_CryptoChall::generateSolution('The Foo The Bar The Lee', true, true);
$pt = $chall->lang('plaintext', array($solution));
$pt = strtoupper($pt);
$pt = preg_replace('/[^A-Z ]/', '', $pt);
$ct = crypto_caesar_1_encrypt($pt);
return $ct;
}
function www_rewrite_go(WC_Challenge $chall, $url)
{
$n1 = rand(1000000, 1000000000) . rand(1000000, 1000000000);
$n2 = rand(1000000, 1000000000) . rand(1000000, 1000000000);
$solution = bcmul($n1, $n2);
$url .= $n1 . '_mul_' . $n2 . '.html';
if (false === ($response = GWF_HTTP::getFromURL($url))) {
echo GWF_HTML::error('WWW Rewrite', $chall->lang('err_file_not_found'));
} elseif ($response !== $solution) {
echo GWF_HTML::error('WWW Rewrite', $chall->lang('err_wrong', array(htmlspecialchars($response), htmlspecialchars($solution), strlen($response), strlen($solution))));
} else {
$chall->onChallengeSolved(GWF_Session::getUserID());
}
}
function identity_filter(WC_Challenge $chall)
{
if (!isset($_POST['answer']) || !is_string($_POST['answer'])) {
return;
}
$answer = $_POST['answer'];
$answer = str_replace(array(' ', ','), '', $answer);
$answer = strtolower($answer);
$answer = str_replace('049', '0', $answer);
if (strpos($answer, '17659598844') !== false) {
echo GWF_HTML::error($chall->lang('title'), $chall->lang('err_home_phone'));
}
$_POST['answer'] = $answer;
}
function math_pyramid_check(WC_Challenge $chall, $formula, $maxlen, $precision = 4)
{
error_reporting(E_ERROR);
GWF_Debug::setDieOnError(false);
GWF_Debug::setMailOnError(false);
$len = strlen($formula);
$tests = array('0' => 0, '1' => 0.2357, '3.14' => 7.2971, '10' => 235.7023, '100' => 235702.2604);
$eval = new EvalMath();
$fa = "f(a) = {$formula}";
if (false === $eval->evaluate($fa)) {
echo GWF_HTML::error('Math Pyramid', $chall->lang('err_formula', array(htmlspecialchars($fa))));
return false;
}
GWF_Debug::setDieOnError(true);
GWF_Debug::setMailOnError(true);
$back = GWF_HTML::message('Math Pyramid', $chall->lang('msg_formula', array(htmlspecialchars($fa))), false);
$correct = 0;
foreach ($tests as $a => $result) {
$result2 = $eval->evaluate("f({$a})");
$result = sprintf('%.0' . $precision . 'f', $result);
$result2 = sprintf('%.0' . $precision . 'f', $result2);
if ($result === $result2) {
$back .= GWF_HTML::message('Math Pyramid', $chall->lang('msg_correct', array($a, $result2, $result)), false);
$correct++;
} else {
$back .= GWF_HTML::error('Math Pyramid', $chall->lang('err_wrong', array($a, $result2, $result)), false);
}
}
require_once GWF_CORE_PATH . 'module/WeChall/WC_MathChall.php';
if ($chall->getID() > 0 && $correct === count($tests)) {
if (false === WC_MathChall::insertSolution($chall->getID(), GWF_Session::getUserID(), $formula)) {
$back .= GWF_HTML::err('ERR_DATABASE', array(__FILE__, __LINE__));
} else {
$back .= GWF_HTML::message('Math Pyramid', WC_HTML::lang('msg_wmc_sol_inserted', array($len, WC_MathChall::getLimitedHREF($chall, $len))), false);
}
}
# Check Len
if ($len > $maxlen) {
$back .= GWF_HTML::error('Math Pyramid', $chall->lang('err_too_long', array($len, $maxlen)), false);
}
echo $back;
if ($correct === count($tests) && $len <= $maxlen) {
if ($len < $maxlen) {
echo GWF_HTML::message('Math Pyramid', $chall->lang('msg_new_record', array($len, $maxlen)), false);
GWF_Settings::setSetting('WC_MATH_PYRAMID', $len);
}
$chall->onChallengeSolved(GWF_Session::getUserID());
}
}
function bacon_encode(WC_Challenge $chall, $hidden)
{
$message = strtolower($chall->lang('message'));
$len = strlen($hidden);
$pos = -1;
$a = ord('A');
for ($i = 0; $i < $len; $i++) {
$c = ord($hidden[$i]);
$bin = decbin($c - $a);
$bin = sprintf('%05d', $bin);
for ($j = 0; $j < 5; $j++) {
$pos = bacon_next_pos($message, $pos);
if ($bin[$j] === '1') {
$message[$pos] = strtoupper($message[$pos]);
}
}
}
$pos++;
$len = strlen($message);
while ($pos < $len) {
$message[$pos] = strtoupper($message[$pos]);
$pos += 2;
}
return $message;
}
function checkSolution(WC_Challenge $chall)
{
if (false === ($correct = GWF_Session::getOrDefault('cyrm_solution'))) {
return htmlDisplayError($chall->lang('err_no_request'));
}
$timediff = microtime(true) - GWF_Session::get('cyrm_timeout');
$taken = sprintf('%.03fs', $timediff);
if ($correct !== ($answer = Common::getGetString('solution', ''))) {
return htmlDisplayError($chall->lang('err_wrong', array(htmlspecialchars($answer, ENT_QUOTES), $correct, $taken)));
}
$maxtime = 2.5;
if ($timediff >= $maxtime) {
return htmlDisplayError($chall->lang('err_slow', array($maxtime . 's', $taken)));
}
return htmlDisplayMessage($chall->lang('msg_correct', array($taken)));
}
function checkSolution(WC_Challenge $chall)
{
if (false === ($correct = GWF_Session::getOrDefault('lg_solution'))) {
return htmlDisplayError($chall->lang('err_no_req'));
}
$maxtime = LETTERGRID_MAX_TIME;
$timediff = microtime(true) - GWF_Session::getOrDefault('lg_timeout', 0);
if ($correct !== Common::getGet('solution')) {
GWF_Session::remove('lg_timeout');
GWF_Session::remove('lg_solution');
return htmlDisplayError($chall->lang('err_wrong', array(htmlspecialchars(Common::getGet('solution'), ENT_QUOTES), $correct, $timediff, $maxtime)));
}
if ($timediff >= $maxtime) {
return htmlDisplayError($chall->lang('err_slow', array($maxtime, $timediff)));
}
return htmlDisplayMessage($chall->lang('msg_correct', array($timediff)));
}
function shadowlamb3solver(WC_Challenge $chall, $answer)
{
if (!GWF_Session::isLoggedIn()) {
echo GWF_HTML::error('Shadowlamb', 'Better login first!');
return;
}
$code = WC5Lamb_Solution::validateSolution3($answer, GWF_Session::getUserID());
switch ($code) {
case 1:
echo GWF_HTML::message('Shadowlamb', $chall->lang('msg_right'));
$chall->onChallengeSolved(GWF_Session::getUserID());
break;
default:
echo GWF_HTML::error('Shadowlamb', $chall->lang('err_wrong_' . $code));
break;
}
}
function wccgpg_doit(WC_Challenge $chall, $user)
{
if ($user === false) {
echo GWF_HTML::error('GPG', $chall->lang('err_login'), false);
return;
}
if (!$user->hasValidMail()) {
echo GWF_HTML::error('GPG', $chall->lang('err_no_mail'));
return;
}
$receiver = $user->getValidMail();
if (!function_exists('gnupg_init')) {
echo GWF_HTML::error('GPG', $chall->lang('err_server'));
return;
}
if (false === ($fingerprint = GWF_PublicKey::getFingerprintForUser($user))) {
$url = GWF_WEB_ROOT . 'account';
echo GWF_HTML::error('GPG', $chall->lang('err_no_gpg', $url), false);
return;
}
$solution = WC_CryptoChall::generateSolution('OHOYOUGOTGPG!', true, false);
$mail = new GWF_Mail();
$mail->setSubject($chall->lang('mail_s'));
$mail->setSender(GWF_BOT_EMAIL);
$mail->setReceiver($receiver);
$mail->setBody($chall->lang('mail_b', array($user->displayUsername(), $solution)));
if (false === $mail->sendToUser($user)) {
echo GWF_HTML::err('ERR_MAIL_SENT');
} else {
echo GWF_HTML::message('GPG', $chall->lang('msg_mail_sent', array(htmlspecialchars($receiver))));
}
}
function stalking_check_answer(WC_Challenge $chall, $answer)
{
$answer = mb_strtolower($answer);
// To Lower
$answer = str_replace(' ', '', $answer);
// No Spaces
$sections = explode(',', $answer);
$sc = count($sections);
if ($sc !== 4) {
return $chall->lang('err_sections', array($sc));
}
list($company, $coworker, $brother, $band) = $sections;
if (stalking_company($company) && stalking_coworker($coworker) && stalking_brother($brother) && stalking_band($band)) {
return false;
} else {
return $chall->lang('err_wrong');
}
}
/**
* Exploit this!
* @param WC_Challenge $chall
* @param unknown_type $username
* @param unknown_type $password
* @return boolean
*/
function auth1_onLogin(WC_Challenge $chall, $username, $password)
{
$db = auth1_db();
$password = md5($password);
$query = "SELECT * FROM users WHERE username='******' AND password='******'";
if (false === ($result = $db->queryFirst($query))) {
echo GWF_HTML::error('Auth1', $chall->lang('err_unknown'), false);
# Unknown user
return false;
}
# Welcome back!
echo GWF_HTML::message('Auth1', $chall->lang('msg_welcome_back', htmlspecialchars($result['username'])), false);
# Challenge solved?
if (strtolower($result['username']) === 'admin') {
$chall->onChallengeSolved(GWF_Session::getUserID());
}
return true;
}
public static function testSmiley(WC_Challenge $chall, $smiley, $path)
{
$back = true;
# Test passed :S?
# Generate test input :)
$ues = str_replace('\\', '', $smiley);
$ues = Common::regex('#/([^/]+)/#', $ues);
$text = 'Test ' . $ues . '. Test ' . $ues;
echo GWF_Box::box($text, $chall->lang('test_input'));
# Generate test output :)
if (NULL === ($out = self::replaceSmiley($smiley, $path, $text))) {
$back = false;
$out = $text;
}
# Output the test :)
echo GWF_Box::box($out, $chall->lang('test_output'));
return $back;
}
function ttr2_submit(WC_Challenge $chall)
{
if ('' === ($answer = Common::getPostString('answer', ''))) {
return;
}
$sessid = GWF_Session::getSessSID();
# First check all "custom" solutions
$solutions = TTR2_Tokens::getSolutions($sessid);
foreach ($solutions as $solution) {
if ($solution['ttr_token'] === $answer) {
echo GWF_HTML::message($chall->lang('title'), $chall->lang('msg_reset_own', array(htmlspecialchars($solution['ttr_email']))));
return;
}
}
# Now lets check "THE" solution
$solution = TTR2_Tokens::getSolution($sessid);
$chall->setSolution($solution['ttr_token']);
$chall->onSolve(GWF_User::getStaticOrGuest(), $answer);
}
function crypto_sub1_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext(strtolower($chall->lang('plaintext')), true, true);
$solution = WC_CryptoChall::generateSolution('The_GHEEEEZZ', true);
// var_dump($solution);
$chars1 = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
$chars2 = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
shuffle($chars1);
shuffle($chars2);
$map = array();
for ($i = 0; $i < 26; $i++) {
$map[$chars1[$i]] = $chars2[$i];
}
$pt = $chall->lang('plaintext', array($solution));
$pt = strtoupper($pt);
$pt = preg_replace('/[^A-Z ]/', '', $pt);
$ct = crypto_sub1_encrypt($pt, $map);
return $ct;
}
function ludde_is_satisfied(WC_Challenge $chall)
{
# Missing POST var?
if (!isset($_POST['username'])) {
return $chall->lang('err_missing_var');
}
# Submitted a string?
if (!is_string($_POST['username'])) {
return $chall->lang('err_var_type');
}
# Valid username?
if (!preg_match('/^[a-zA-Z]{1,16}$/', $_POST['username'])) {
return $chall->lang('err_illegal_username', array(1, 16));
}
# WTF! WTF! WTF!
if (strlen($_POST['username']) > 16) {
return true;
}
# Normal, OK and no error :)
return false;
}
function prog2CheckResult(WC_Challenge $chall)
{
if (false === ($user = GWF_Session::getUser())) {
die($chall->lang('err_login'));
}
if (false === ($answer = Common::getGet('answer'))) {
die($chall->lang('err_no_answer'));
}
$solution = GWF_Session::getOrDefault('prog2_solution', false);
$startTime = GWF_Session::getOrDefault('prog2_timeout', false);
if ($solution === false || $startTime === false) {
die($chall->lang('err_no_request'));
}
$back = "";
if (trim($answer) !== $solution) {
$back .= $chall->lang('err_wrong', array(htmlspecialchars($answer, ENT_QUOTES), $solution));
} else {
$back .= $chall->lang('msg_correct');
}
$timeNeeded = microtime(true) - $startTime;
if ($timeNeeded > TIMELIMIT) {
return $back . $chall->lang('err_timeout', array(sprintf('%.02f', $timeNeeded), TIMELIMIT));
}
return trim($answer) === $solution ? true : $back;
}
function crypto_sub2_ciphertext(WC_Challenge $chall)
{
WC_CryptoChall::checkPlaintext($chall->lang('plaintext'), true);
$solution = WC_CryptoChall::generateSolution('The_GHttttttEEEEZZ', true, true);
$chars1 = array();
for ($i = 0; $i < 256; $i++) {
$chars1[] = chr($i);
}
$chars2 = array();
for ($i = 0; $i < 256; $i++) {
$chars2[] = chr($i);
}
shuffle($chars1);
shuffle($chars2);
$map = array();
for ($i = 0; $i < 256; $i++) {
$map[$chars1[$i]] = $chars2[$i];
}
$pt = $chall->lang('plaintext', array($solution));
$ct = crypto_sub2_encrypt($pt, $map);
return WC_CryptoChall::hexdump($ct);
}
function checkSolution(WC_Challenge $chall)
{
// if (!User::isLoggedIn()) {
// return htmlDisplayError("You need to login to submit a solution.");
// }
if (false === ($correct = GWF_Session::getOrDefault('lw_solution'))) {
return htmlDisplayError($chall->lang('err_no_req'));
}
$answer = Common::getGet('solution');
$maxtime = 4.5;
$timediff = microtime(true) - GWF_Session::getOrDefault('lw_timeout', 0);
if ($answer !== $correct) {
GWF_Session::remove('lw_timeout');
GWF_Session::remove('lw_solution');
$danswer = htmlspecialchars($answer, ENT_QUOTES);
return htmlDisplayError($chall->lang('err_wrong', array($danswer, $correct, $timediff, $maxtime)));
}
if ($timediff >= $maxtime) {
return htmlDisplayError($chall->lang('err_slow', array($maxtime, $timediff)));
}
return htmlDisplayMessage($chall->lang('msg_correct', array($timediff)));
}
/**
* Exploit this! It is the same as MySQL-I, but with an additional check, marked with ###
* @param WC_Challenge $chall
* @param unknown_type $username
* @param unknown_type $password
* @return boolean
*/
function auth2_onLogin(WC_Challenge $chall, $username, $password)
{
$db = auth2_db();
$password = md5($password);
$query = "SELECT * FROM users WHERE username='******'";
if (false === ($result = $db->queryFirst($query))) {
echo GWF_HTML::error('Auth2', $chall->lang('err_unknown'), false);
return false;
}
#############################
### This is the new check ###
if ($result['password'] !== $password) {
echo GWF_HTML::error('Auth2', $chall->lang('err_password'), false);
return false;
}
# End of the new code ###
#############################
echo GWF_HTML::message('Auth2', $chall->lang('msg_welcome_back', array(htmlspecialchars($result['username']))), false);
if (strtolower($result['username']) === 'admin') {
$chall->onChallengeSolved(GWF_Session::getUserID());
}
return true;
}
function crackcha_answer(WC_Challenge $chall)
{
if ('' === ($answer = Common::getGetString('answer', ''))) {
echo $chall->lang('err_no_answer');
return;
}
if (false === ($solution = GWF_Session::getOrDefault('WCC_CRACKCHA_CHARS', false))) {
echo $chall->lang('err_no_problem');
return;
}
if ($answer === $solution) {
crackcha_increase_solved();
echo $chall->lang('msg_success', array(GWF_Session::getOrDefault('WCC_CRACKCHA_SOLVED', 0), WCC_CRACKCHA_NEED));
if (crackcha_solved()) {
GWF_Module::loadModuleDB('Forum', true, true);
Module_WeChall::includeForums();
$chall->onChallengeSolved(GWF_Session::getUserID());
}
} else {
echo $chall->lang('msg_failed', array($answer, $solution));
}
GWF_Session::remove('WCC_CRACKCHA_CHARS');
}
function x169(WC_Challenge $chall)
{
$matrix = x169Matrix();
shuffle($matrix);
$embed = $chall->lang('embed');
$el = strlen($embed);
$ml = count($matrix);
if ($el > $ml) {
die('WHAT THE HACK!!!');
}
$embed .= str_repeat('o', $ml - $el + 1);
$i = 0;
$out = '';
foreach ($matrix as $m) {
$out .= mb_substr($embed, $i, 1, 'UTF8');
// $out .= substr($embed, $i, 1);
$out .= $m;
$i++;
}
return $out;
}
public function form(WC_Challenge $chall, $warmail)
{
$data = array('setmail' => array(GWF_Form::SUBMIT, $chall->lang('btn_setmail')));
return new GWF_Form($this, $data);
}
function salesman_check_answer_B(WC_Challenge $chall, $answer)
{
// if ($answer === 'cheat')
// {
// return true;
// }
if (0 === preg_match_all('/((\\d+)([A-Z]+))/i', $answer, $matches)) {
echo $chall->lang('err_format') . PHP_EOL;
return false;
}
GWF_Session::remove('WCC_TR_CU_LEVEL_HAS_PB');
$list = GWF_Session::get('WCC_TR_CU_LIST');
$amounts = $matches[2];
$names = $matches[3];
$len = count($names);
$price = 0;
$amount = 0;
$stock = GWF_Session::getOrDefault('WCC_TR_CU_STOCK', 1);
$stocks = array();
for ($i = 0; $i < $len; $i++) {
$name = $names[$i];
$amt = $amounts[$i];
if (!is_numeric($amt)) {
echo $chall->lang('err_item_num', array($name)) . PHP_EOL;
continue;
}
$amt = (int) $amt;
if ($amt < 0) {
echo $chall->lang('err_item_num', array($name)) . PHP_EOL;
continue;
}
if (isset($stocks[$name])) {
$stocks[$name] += $amt;
} else {
$stocks[$name] = $amt;
}
if ($stocks[$name] > $stock) {
echo $chall->lang('err_item_stock', array($stocks[$name], $name, $stock)) . PHP_EOL;
continue;
}
$amount += $amt;
if (!array_key_exists($name, $list)) {
echo $chall->lang('err_item', array($name)) . PHP_EOL;
continue;
}
$p = $list[$name];
$price += $amt * $p;
}
$correct = true;
$correct_amt = salesman_itemcount();
if ($amount !== $correct_amt) {
echo $chall->lang('err_item_count', array($amount, $correct_amt)) . PHP_EOL;
$correct = false;
}
$correct_price = GWF_Session::get('WCC_TR_CU_PRICE');
if ($price !== $correct_price) {
echo $chall->lang('err_price', array($price, $correct_price)) . PHP_EOL;
$correct = false;
}
$now = microtime(true);
$start = GWF_Session::get('WCC_TR_CU_TIME');
$needed = $now - $start;
if ($needed > WCC_TR_CU_TIMEOUT) {
echo $chall->lang('err_timeout', array(sprintf('%.02f', $needed), WCC_TR_CU_TIMEOUT)) . PHP_EOL;
$correct = false;
}
return $correct;
}
function train_regex_level_4(WC_Challenge $chall, $answer)
{
$solution = '/^(wechall4?)\\.(?:jpg|gif|tiff|bmp|png)$/';
$samples_good = array('wechall.jpg', 'wechall.gif', 'wechall.tiff', 'wechall.bmp', 'wechall.png', 'wechall4.jpg', 'wechall4.gif', 'wechall4.tiff', 'wechall4.bmp', 'wechall4.png');
$samples_bad = array('wechall', 'wechall4', 'wechall3.png', 'wechall4.jpf', 'wechallpng', 'wechallxjpg', 'wechall.jpg ', ' wechall.jpg', 'mechall.jpg', 'meechll.jpg', 'wechall44.jpg', 'wecdfss.jpg');
foreach ($samples_good as $t) {
if (!preg_match($answer, $t, $matches)) {
echo GWF_HTML::error('WeChall', $chall->lang('err_no_match', array($t)), false);
return false;
}
$filename = Common::substrUntil($t, '.');
if (count($matches) !== 2 || $filename !== $matches[1]) {
echo GWF_HTML::error('WeChall', $chall->lang('err_not_capturing'), false);
return false;
}
}
foreach ($samples_bad as $t) {
if (preg_match($answer, $t, $matches)) {
echo GWF_HTML::error('WeChall', $chall->lang('err_matching', $t), false);
return false;
}
}
if (strlen($answer) > strlen($solution)) {
echo GWF_HTML::error('WeChall', $chall->lang('err_too_long', array(strlen($solution))), false);
return false;
}
return true;
}
