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95 | <?php
# Show src
if (isset($_GET['show']))
{
# http://en.wikipedia.org/wiki/Quine_%28computing%29 header('Content-Type: text/plain');
die(file_get_contents('index.php'));
}
# Headerchdir('../../../');
define('GWF_PAGE_TITLE', 'Training: RegexMini');
require_once('challenge/html_head.php');
if (false === ($chall = WC_Challenge::getByTitle(GWF_PAGE_TITLE))) {
$chall = WC_Challenge::dummyChallenge(GWF_PAGE_TITLE, 2, 'challenge/training/regex2/index.php', false);}
$chall->showHeader();
# Info box
echo GWF_Box::box($chall->lang('info', array('index.php?show=source', 'index.php?highlight=christmas')), $chall->lang('title'));
# Show highlighted src
if (isset($_GET['highlight']))
{
$source = '[PHP title=regex2/index.php]'.file_get_contents('challenge/training/regex2/index.php').''; echo GWF_Box::box(GWF_Message::display($source, true, false));
}
# Submitted?
if (isset($_POST['submit'])){
# Check it!
$error = ludde_is_satisfied($chall);
# Oooops! if ($error === true)
{
$chall->onChallengeSolved(GWF_Session::getUserID());
}
# All normal and ok
elseif ($error === false)
{
echo GWF_HTML::message(GWF_PAGE_TITLE, $chall->lang('msg_ok', array($_POST['username'])), false);
}
# Error!
else
{
echo GWF_HTML::error(GWF_PAGE_TITLE, $error, false); }
}
# Check it!
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;
}
?>
<div id="EUISM" class="box box_c"> <form id="Every User Input Seems Malicious" action="index.php" method="post">
<label for="username"><?php echo $chall->lang('username'); ?></label>: <input type="text" name="username" value="" size="16" />
<input type="submit" name="submit" value="<?php echo $chall->lang('submit'); ?>" />
</form>
</div><?php
# Copyright + Footer
echo $chall->copyrightFooter();
require_once('challenge/html_foot.php');
?> |