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<?php
# ***** BEGIN LICENSE BLOCK *****
# This is Antispam, a plugin for DotClear.
# Copyright (c) 2007 Alain Vagner and contributors. All rights
# reserved.
#
# DotClear is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# DotClear is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DotClear; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ***** END LICENSE BLOCK *****
class dcSpamFilters
{
private $filters = array();
private $filters_opt = array();
private $core;
public function __construct(&$core)
{
$this->core =& $core;
}
public function init($filters)
{
foreach ($filters as $f)
{
if (!class_exists($f)) {
continue;
}
$r = new ReflectionClass($f);
$p = $r->getParentClass();
if (!$p || $p->name != 'dcSpamFilter') {
continue;
}
$this->filters[$f] = new $f($this->core);
}
$this->setFilterOpts();
if (!empty($this->filters_opt)) {
uasort($this->filters,array($this,'orderCallBack'));
}
}
public function getFilters()
{
return $this->filters;
}
public function isSpam(&$cur)
{
foreach ($this->filters as $fid => $f)
{
if (!$f->active) {
continue;
}
$type = $cur->comment_trackback ? 'trackback' : 'comment';
$author = $cur->comment_author;
$email = $cur->comment_email;
$site = $cur->comment_site;
$ip = $cur->comment_ip;
$content = $cur->comment_content;
$post_id = $cur->post_id;
$is_spam = $f->isSpam($type,$author,$email,$site,$ip,$content,$post_id,$status);
if ($is_spam === true) {
$cur->comment_status = -2;
$cur->comment_spam_status = $status;
$cur->comment_spam_filter = $fid;
return true;
} elseif ($is_spam === false) {
return false;
}
}
return false;
}
public function trainFilters(&$rs,$status,$filter_name)
{
foreach ($this->filters as $fid => $f)
{
if (!$f->active) {
continue;
}
$type = $rs->comment_trackback ? 'trackback' : 'comment';
$author = $rs->comment_author;
$email = $rs->comment_email;
$site = $rs->comment_site;
$ip = $rs->comment_ip;
$content = $rs->comment_content;
$f->trainFilter($status,$filter_name,$type,$author,$email,$site,$ip,$content,$rs);
}
}
public function statusMessage(&$rs,$filter_name)
{
$f = isset($this->filters[$filter_name]) ? $this->filters[$filter_name] : null;
if ($f === null)
{
return __('Unknown filter.');
}
else
{
$status = $rs->exists('comment_spam_status') ? $rs->comment_spam_status : null;
return $f->getStatusMessage($status,$rs->comment_id);
}
}
public function saveFilterOpts($opts,$global=false)
{
$this->core->blog->settings->setNameSpace('antispam');
if ($global) {
$this->core->blog->settings->drop('antispam_filters');
}
$this->core->blog->settings->put('antispam_filters',serialize($opts),'string','Antispam Filters',true,$global);
}
private function setFilterOpts()
{
if ($this->core->blog->settings->antispam_filters !== null) {
$this->filters_opt = @unserialize($this->core->blog->settings->antispam_filters);
}
# Create default options if needed
if (!is_array($this->filters_opt)) {
$this->saveFilterOpts(array(),true);
$this->filters_opt = array();
}
foreach ($this->filters_opt as $k => $o)
{
if (isset($this->filters[$k]) && is_array($o)) {
$this->filters[$k]->active = $o[0];
$this->filters[$k]->order = $o[1];
}
}
}
private function orderCallBack($a,$b)
{
if ($a->order == $b->order) {
return 0;
}
return $a->order > $b->order ? 1 : -1;
}
}
?>