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shimmie2/contrib/ban_words/main.php
shish 09b2be6830 PHP4 is dead \o/ \o/ \o/ (Part 1, make use of instanceof)
git-svn-id: file:///home/shish/svn/shimmie2/trunk@994 7f39781d-f577-437e-ae19-be835c7a54ca
2008-08-22 09:41:30 +00:00

56 lines
1.4 KiB
PHP

<?php
/**
* Name: Comment Word Ban
* Author: Shish <webmaster@shishnet.org>
* License: GPLv2
* Description: For stopping spam and other comment abuse
*/
class BanWords extends Extension {
public function receive_event($event) {
if($event instanceof InitExtEvent) {
global $config;
$config->set_default_string('banned_words', "
viagra
porn
");
}
if($event instanceof CommentPostingEvent) {
global $config;
$banned = $config->get_string("banned_words");
$comment = strtolower($event->comment);
foreach(explode("\n", $banned) as $word) {
$word = trim(strtolower($word));
if(strlen($word) == 0) {
// line is blank
continue;
}
else if($word[0] == '/') {
// lines that start with slash are regex
if(preg_match($word, $comment)) {
$event->veto("Comment contains banned terms");
break;
}
}
else {
// other words are literal
if(strpos($comment, $word) !== false) {
$event->veto("Comment contains banned terms");
break;
}
}
}
}
if($event instanceof SetupBuildingEvent) {
$sb = new SetupBlock("Banned Phrases");
$sb->add_label("One per line, lines that start with slashes are treated as regex<br/>");
$sb->add_longtext_option("banned_words");
$event->panel->add_block($sb);
}
}
}
add_event_listener(new BanWords(), 30); // before the comment is added
?>