gnu-social/plugins/ActivitySpam/actions/train.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2012, StatusNet, Inc.
*
* Train a notice as spam
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Spam
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2012 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Train a notice as spam
*
* @category Spam
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2012 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class TrainAction extends Action
{
protected $notice = null;
protected $filter = null;
protected $category = null;
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
// User must be logged in.
$user = common_current_user();
if (empty($user)) {
throw new ClientException(_("You must be logged in to train spam."), 403);
}
// User must have the right to review spam
if (!$user->hasRight(ActivitySpamPlugin::TRAINSPAM)) {
throw new ClientException(_('You cannot review spam on this site.'), 403);
}
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$id = $this->trimmed('notice');
$this->notice = Notice::getKV('id', $id);
if (empty($this->notice)) {
throw new ClientException(_("No such notice."));
}
$this->checkSessionToken();
$filter = null;
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Event::handle('GetSpamFilter', array(&$filter));
if (empty($filter)) {
throw new ServerException(_("No spam filter configured."));
}
$this->filter = $filter;
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$this->category = $this->trimmed('category');
if ($this->category !== SpamFilter::SPAM &&
$this->category !== SpamFilter::HAM)
{
throw new ClientException(_("No such category."));
}
return true;
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
// Train
$this->filter->trainOnError($this->notice, $this->category);
// Re-test
$result = $this->filter->test($this->notice);
// Update or insert
$score = Spam_score::save($this->notice, $result);
// Show new toggle form
if ($this->category === SpamFilter::SPAM) {
$form = new TrainHamForm($this, $this->notice);
} else {
$form = new TrainSpamForm($this, $this->notice);
}
if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
// TRANS: Page title for page on which we train the spam filter for ham or spam
$this->element('title', null, _('Train spam filter'));
$this->elementEnd('head');
$this->elementStart('body');
$form->show();
$this->elementEnd('body');
$this->endHTML();
} else {
common_redirect(common_local_url('spam'), 303);
}
}
}