private function getChallengeData(ISblamPost $p)
{
if ($installid = $p->getInstallId()) {
// !!! must be in sync with challenge.js.php
$fieldname = 'sc' . abs(crc32($installid));
$post = $p->getPost();
if (!empty($post[$fieldname]) && preg_match('!^([a-f0-9]{32})([a-f0-9]+;([a-f0-9]+);([\\d.,]+))((?:;\\d+)*)$!', $post[$fieldname], $r)) {
return array($installid, $fieldname, $r[1], $r[2], hexdec($r[3]), explode(',', $r[4]), explode(';', $r[5]));
}
d("can't find expected field {$fieldname} for challenge");
foreach ($post as $k => $v) {
if (preg_match('/^sc\\d+$/', $k)) {
d("Found different install id for challenge");
return array(0, $k, 0, 0, 0, array(), array());
}
}
} else {
d("challenge: didn't get install id");
}
return NULL;
}
