/**
* Decorate the Member object to ghost the user if suspected of being a spammer.
*/
public function onBeforeWrite()
{
parent::onBeforeWrite();
// we only want to run this if any of the fields to check have been modified.
$shouldRun = false;
foreach ($this->owner->config()->fields_to_check as $field) {
if ($this->owner->isChanged($field)) {
$shouldRun = true;
break;
}
}
if (!$shouldRun) {
return;
}
$spam_needles = SuspendSpammerKeyword::get();
if ($spam_needles) {
$spam_needles = $spam_needles->map()->toArray();
} else {
$spam_needles = array();
}
//if anything matches do something about it to stop the spam registration.
if (0 < count(array_intersect($this->spamHaystack(), $spam_needles))) {
//Ghost a spammer.
$this->owner->ForumStatus = 'Ghost';
//Email the admin
if (Config::inst()->get('SuspendSpammerEmail', 'enable_email') && !$this->owner->ID) {
$body = "<h1>Suspected Spammer Registration</h1>\n\t\t\t\t<ul>\n\t\t\t\t<li>Email: " . $this->owner->Email . "</li>";
foreach ($this->owner->config()->fields_to_check as $field) {
$body .= "<li>" . $field . ": " . $this->owner->{$field} . "</li>";
}
$body .= "</ul>";
SuspendSpammerEmail::create($body)->send();
}
}
}
public function beforePostMessage($data, $member = null)
{
if (!$member) {
$member = Member::currentUser();
}
//If member has CMS access they don't need to be checked out.
if (Permission::check('CMS_ACCESS_CMSMain', 'any', $member)) {
return;
}
//Is this the Members first message and they are not already a ghost or banned.
if ($member->ForumStatus == 'Normal' && $member->NumPosts() == 0) {
$content = $data['Title'] . ' ' . $data['Content'];
//Check title and content for spam keywords.
$spam_words = SuspendSpammerKeyword::get();
//ensure it returns as an array.
if ($spam_words->Exists()) {
$spam_words = $spam_words->map()->toArray();
$matches = array();
//Check words for known spammer content
$matchFound = preg_match_all("/\\b(" . implode($spam_words, "|") . ")\\b/i", $content, $matches);
//@TODO do phone number pattern recognittion in the future as this is a
//common indication of the human spammers this module is design to counter.
if ($matchFound) {
//If true, ghost the member.
$member->ForumStatus = 'Ghost';
$member->write();
//Email the admin
if (Config::inst()->get('SuspendSpammerEmail', 'enable_email')) {
$body = "<h1>Suspected Spammer Post</h1>\n\t\t\t\t\t\t\t<p>Email: " . $member->Email . "</p>\n\t\t\t\t\t\t\t<p>" . $content . "</p>";
SuspendSpammerEmail::create($body)->send();
}
}
}
}
}
