139 lines
3.6 KiB
PHP
139 lines
3.6 KiB
PHP
<?php
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# -- BEGIN LICENSE BLOCK ----------------------------------
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#
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# This file is part of dcFilterDuplicate, a plugin for Dotclear 2.
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#
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# Copyright (c) 2009-2015 Jean-Christian Denis and contributors
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#
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# Licensed under the GPL version 2.0 license.
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# A copy of this license is available in LICENSE file or at
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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#
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# -- END LICENSE BLOCK ------------------------------------
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if (!defined('DC_RC_PATH')) {
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return null;
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}
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/**
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* @ingroup DC_PLUGIN_DCFILTERDUPLICATE
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* @brief Filter duplicate comments on multiblogs.
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* @since 2.6
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*/
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class dcFilterDuplicate extends dcSpamFilter
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{
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public $name = 'Duplicate comment filter';
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public $has_gui = true;
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protected function setInfo()
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{
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$this->name = __('dcFilterDuplicate');
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$this->description = __('Same comments on others blogs of a multiblog');
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}
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public function isSpam($type, $author, $email, $site, $ip, $content, $post_id, &$status)
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{
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if ($type != 'comment') {
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return null;
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}
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$minlen = abs((integer) $this->core->blog->settings->dcFilterDuplicate->dcfilterduplicate_minlen);
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if (strlen($content) < $minlen) {
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return null;
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}
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try {
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if ($this->isDuplicate($content, $ip)) {
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$this->markDuplicate($content, $ip);
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$status = 'Duplicate on other blog';
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return true;
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}
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else {
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return null;
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}
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}
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catch (Exception $e) {
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throw new Exception($e->getMessage());
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}
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}
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public function isDuplicate($content, $ip)
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{
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$rs = $this->core->con->select(
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'SELECT C.comment_id '.
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'FROM '.$this->core->prefix.'comment C '.
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'LEFT JOIN '.$this->core->prefix.'post P ON C.post_id=P.post_id '.
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"WHERE P.blog_id != '".$this->core->blog->id."' ".
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"AND C.comment_content='".$this->core->con->escape($content)."' ".
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"AND C.comment_ip='".$ip."' "
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);
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return !$rs->isEmpty();
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}
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public function markDuplicate($content, $ip)
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{
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$cur = $this->core->con->openCursor($this->core->prefix.'comment');
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$this->core->con->writeLock($this->core->prefix.'comment');
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$cur->comment_status = -2;
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$cur->comment_spam_status = 'Duplicate on other blog';
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$cur->comment_spam_filter = 'dcFilterDuplicate';
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$cur->update(
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"WHERE comment_content='".$this->core->con->escape($content)."' ".
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"AND comment_ip='".$ip."' "
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);
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$this->core->con->unlock();
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$this->triggerOtherBlogs($content, $ip);
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}
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public function gui($url)
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{
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$minlen = abs((integer) $this->core->blog->settings->dcFilterDuplicate->dcfilterduplicate_minlen);
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if (isset($_POST['dcfilterduplicate_minlen'])) {
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$minlen = abs((integer) $_POST['dcfilterduplicate_minlen']);
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$this->core->blog->settings->dcFilterDuplicate->put(
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'dcfilterduplicate_minlen',
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$minlen,
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'integer'
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);
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dcPage::addSuccessNotice(__('Configuration successfully updated.'));
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http::redirect($url);
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}
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$res =
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'<form action="'.html::escapeURL($url).'" method="post">'.
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'<p><label class="classic">'.__('Minimum content length before check for duplicate:').'<br />'.
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form::field(array('dcfilterduplicate_minlen'), 65, 255, $minlen).
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'</label></p>'.
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'<p><input type="submit" name="save" value="'.__('Save').'" />'.
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$this->core->formNonce().'</p>'.
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'</form>';
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return $res;
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}
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public function triggerOtherBlogs($content, $ip)
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{
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$rs = $this->core->con->select(
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'SELECT P.blog_id '.
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'FROM '.$this->core->prefix.'comment C '.
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'LEFT JOIN '.$this->core->prefix.'post P ON C.post_id=P.post_id '.
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"WHERE C.comment_content='".$this->core->con->escape($content)."' ".
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"AND C.comment_ip='".$ip."' "
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);
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while ($rs->fetch()) {
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$b = new dcBlog($this, $rs->blog_id);
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$b->triggerBlog();
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unset($b);
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}
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}
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} |