Commit cd71188d authored by mmn's avatar mmn

SimpleCaptcha plugin to stop basic bots

parent a30d34be
......@@ -131,7 +131,11 @@ class RegisterAction extends Action
// TRANS: Client error displayed when trying to register while already logged in.
$this->clientError(_('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->tryRegister();
try {
$this->tryRegister();
} catch (ClientException $e) {
$this->showForm($e->getMessage());
}
} else {
$this->showForm();
}
......
......@@ -324,6 +324,7 @@ $default =
'OStatus' => array(),
'Poll' => array(),
'SearchSub' => array(),
'SimpleCaptcha' => array(),
'TagSub' => array(),
'WebFinger' => array(),
),
......
<?php
/*
* GNU Social - a federating social network
* Copyright (C) 2014, Free Software Foundation, Inc.
*
* 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/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* @package Plugin
* @maintainer Mikael Nordfeldth <mmn@hethane.se>
*/
class SimpleCaptchaPlugin extends Plugin
{
public function onEndRegistrationFormData(Action $action)
{
$action->elementStart('li');
// TRANS: Field label.
$action->input('simplecaptcha', _m('Captcha'), null,
// TRANS: The instruction box for our simple captcha plugin
sprintf(_m('Copy this to the textbox: "%s"'), $this->getCaptchaText()),
// TRANS: Placeholder in the text box
/* name=id */ null, /* required */ true, ['placeholder'=>_m('Prove that you are sentient.')]);
$action->elementEnd('li');
return true;
}
protected function getCaptchaText()
{
return common_config('site', 'name');
}
public function onStartRegistrationTry(Action $action)
{
if ($action->arg('simplecaptcha') !== $this->getCaptchaText()) {
throw new ClientException(_m('Captcha does not match!'));
}
return true;
}
public function onPluginVersion(array &$versions)
{
$versions[] = array('name' => 'Simple Captcha',
'version' => GNUSOCIAL_VERSION,
'author' => 'Mikael Nordfeldth',
'homepage' => 'https://gnu.io/social',
'rawdescription' =>
// TRANS: Plugin description.
_m('A simple captcha to get rid of spambots.'));
return true;
}
}
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