2b723fe525
git-svn-id: file:///home/shish/svn/shimmie2/trunk@809 7f39781d-f577-437e-ae19-be835c7a54ca
57 lines
1.4 KiB
PHP
57 lines
1.4 KiB
PHP
<?php
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/**
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* Name: Comment Word Ban
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* Author: Shish <webmaster@shishnet.org>
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* License: GPLv2
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* Description: For stopping spam and other comment abuse
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*/
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class BanWords extends Extension {
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public function receive_event($event) {
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if(is_a($event, 'InitExtEvent')) {
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global $config;
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$config->set_default_string('banned_words', "
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viagra
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porn
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");
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}
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if(is_a($event, 'CommentPostingEvent')) {
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global $config;
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$banned = $config->get_string("banned_words");
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$comment = strtolower($event->comment);
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foreach(explode("\n", $banned) as $word) {
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$word = trim(strtolower($word));
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if(strlen($word) == 0) {
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// line is blank
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continue;
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}
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else if($word[0] == '/') {
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// lines that start with slash are regex
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if(preg_match($word, $comment)) {
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$event->veto("Comment contains banned terms");
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break;
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}
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}
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else {
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// other words are literal
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if(strpos($comment, $word) !== false) {
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$event->veto("Comment contains banned terms");
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break;
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}
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}
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}
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}
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if(is_a($event, 'SetupBuildingEvent')) {
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$sb = new SetupBlock("Banned Phrases");
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$sb->add_label("One per line, lines that start with slashes are treated as regex<br/>");
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$sb->add_longtext_option("banned_words");
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$event->panel->add_block($sb);
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}
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}
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}
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add_event_listener(new BanWords(), 30); // before the comment is added
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?>
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