function wfRegexBlockCheck($current_user)
{
global $wgMemc, $wgSharedDB;
if (!wfSimplifiedRegexCheckSharedDB()) {
return;
}
$ip_to_check = wfGetIP();
$key = "{$wgSharedDB}:regexBlockCore:blockers";
$cached = $wgMemc->get($key);
if (!is_array($cached)) {
/* get from database */
$blockers_array = array();
$dbr =& wfGetDB(DB_SLAVE);
$query = "SELECT blckby_blocker FROM " . wfRegexBlockGetTable() . " GROUP BY blckby_blocker";
$res = $dbr->query($query);
while ($row = $dbr->fetchObject($res)) {
wfGetRegexBlocked($row->blckby_blocker, $current_user, $ip_to_check);
array_push($blockers_array, $row->blckby_blocker);
}
$dbr->freeResult($res);
$wgMemc->set($key, $blockers_array, REGEXBLOCK_EXPIRE);
} else {
/* get from cache */
foreach ($cached as $blocker) {
wfGetRegexBlocked($blocker, $current_user, $ip_to_check);
}
}
return true;
}
function wfRegexBlockCheck($current_user)
{
global $wgRequest;
wfProfileIn(__METHOD__);
$userGroups = $current_user->getGroups();
if (empty($userGroups)) {
$userGroups = array();
}
if (in_array('staff', $userGroups)) {
// Staff users should not be blocked in any case
wfProfileOut(__METHOD__);
return true;
}
$ip_to_check = $wgRequest->getIP();
/* First check cache */
$blocked = wfRegexBlockIsBlockedCheck($current_user, $ip_to_check);
if ($blocked) {
wfProfileOut(__METHOD__);
return true;
}
$blockers_array = wfRegexBlockGetBlockers();
$block_data = wfGetRegexBlockedData($current_user, $blockers_array);
/* check user for each blocker */
foreach ($blockers_array as $blocker) {
$blocker_block_data = isset($block_data[$blocker]) ? $block_data[$blocker] : null;
wfGetRegexBlocked($blocker, $blocker_block_data, $current_user, $ip_to_check);
}
wfProfileOut(__METHOD__);
return true;
}