2009-12-29 05:42:22 +09:00
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<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Plugin to prevent use of nicknames or URLs on a blacklist
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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2010-02-06 23:35:05 +09:00
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* @copyright 2010 StatusNet Inc.
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2009-12-29 05:42:22 +09:00
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Plugin to prevent use of nicknames or URLs on a blacklist
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*
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* @category Plugin
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class BlacklistPlugin extends Plugin
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{
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2010-01-08 17:38:20 +09:00
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const VERSION = STATUSNET_VERSION;
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2009-12-29 05:42:22 +09:00
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public $nicknames = array();
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public $urls = array();
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2010-02-07 01:08:58 +09:00
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public $canAdmin = true;
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2009-12-29 05:42:22 +09:00
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2010-03-29 04:17:44 +09:00
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function _getNicknamePatterns()
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2010-02-06 23:54:24 +09:00
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{
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2010-02-27 02:29:28 +09:00
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$confNicknames = $this->_configArray('blacklist', 'nicknames');
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2010-02-07 01:08:58 +09:00
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2010-03-26 02:49:12 +09:00
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$dbNicknames = Nickname_blacklist::getPatterns();
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2010-03-29 04:17:44 +09:00
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return array_merge($this->nicknames,
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$confNicknames,
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$dbNicknames);
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}
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2010-02-07 01:08:58 +09:00
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2010-03-29 04:17:44 +09:00
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function _getUrlPatterns()
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{
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2010-02-27 02:29:28 +09:00
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$confURLs = $this->_configArray('blacklist', 'urls');
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2010-02-06 23:54:24 +09:00
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2010-03-26 02:49:12 +09:00
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$dbURLs = Homepage_blacklist::getPatterns();
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2010-03-29 04:17:44 +09:00
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return array_merge($this->urls,
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$confURLs,
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$dbURLs);
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2010-03-26 02:49:12 +09:00
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}
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/**
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* Database schema setup
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*
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* @return boolean hook value
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*/
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function onCheckSchema()
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{
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$schema = Schema::get();
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// For storing blacklist patterns for nicknames
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$schema->ensureTable('nickname_blacklist',
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array(new ColumnDef('pattern',
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'varchar',
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255,
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false,
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'PRI'),
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new ColumnDef('created',
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'datetime',
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null,
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false)));
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$schema->ensureTable('homepage_blacklist',
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array(new ColumnDef('pattern',
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'varchar',
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255,
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false,
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'PRI'),
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new ColumnDef('created',
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'datetime',
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null,
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false)));
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return true;
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2010-02-06 23:54:24 +09:00
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}
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2010-02-07 01:08:58 +09:00
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/**
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* Retrieve an array from configuration
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*
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* Carefully checks a section.
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*
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* @param string $section Configuration section
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* @param string $setting Configuration setting
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*
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* @return array configuration values
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*/
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2010-02-06 23:54:24 +09:00
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function _configArray($section, $setting)
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{
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$config = common_config($section, $setting);
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if (empty($config)) {
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return array();
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} else if (is_array($config)) {
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return $config;
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} else if (is_string($config)) {
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2010-02-07 01:08:58 +09:00
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return explode("\r\n", $config);
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2010-02-06 23:54:24 +09:00
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} else {
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throw new Exception("Unknown data type for config $section + $setting");
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}
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}
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2009-12-29 05:42:22 +09:00
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/**
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* Hook registration to prevent blacklisted homepages or nicknames
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*
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* Throws an exception if there's a blacklisted homepage or nickname.
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*
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* @param Action $action Action being called (usually register)
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*
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* @return boolean hook value
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*/
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function onStartRegistrationTry($action)
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{
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$homepage = strtolower($action->trimmed('homepage'));
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if (!empty($homepage)) {
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if (!$this->_checkUrl($homepage)) {
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2010-09-15 04:45:13 +09:00
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$msg = sprintf(_m("You may not register with homepage '%s'."),
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2009-12-29 05:42:22 +09:00
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$homepage);
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throw new ClientException($msg);
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}
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}
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$nickname = strtolower($action->trimmed('nickname'));
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if (!empty($nickname)) {
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if (!$this->_checkNickname($nickname)) {
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2010-09-15 04:45:13 +09:00
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$msg = sprintf(_m("You may not register with nickname '%s'."),
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2009-12-29 05:42:22 +09:00
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$nickname);
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throw new ClientException($msg);
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}
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}
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return true;
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}
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/**
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* Hook profile update to prevent blacklisted homepages or nicknames
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*
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* Throws an exception if there's a blacklisted homepage or nickname.
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*
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* @param Action $action Action being called (usually register)
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*
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* @return boolean hook value
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*/
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function onStartProfileSaveForm($action)
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{
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$homepage = strtolower($action->trimmed('homepage'));
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if (!empty($homepage)) {
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if (!$this->_checkUrl($homepage)) {
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2010-09-15 04:45:13 +09:00
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$msg = sprintf(_m("You may not use homepage '%s'."),
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2009-12-29 05:42:22 +09:00
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$homepage);
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throw new ClientException($msg);
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}
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}
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$nickname = strtolower($action->trimmed('nickname'));
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if (!empty($nickname)) {
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if (!$this->_checkNickname($nickname)) {
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2010-09-15 04:45:13 +09:00
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$msg = sprintf(_m("You may not use nickname '%s'."),
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2009-12-29 05:42:22 +09:00
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$nickname);
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throw new ClientException($msg);
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}
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}
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return true;
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}
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/**
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* Hook notice save to prevent blacklisted urls
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*
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* Throws an exception if there's a blacklisted url in the content.
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*
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* @param Notice &$notice Notice being saved
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*
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* @return boolean hook value
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*/
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function onStartNoticeSave(&$notice)
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{
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common_replace_urls_callback($notice->content,
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array($this, 'checkNoticeUrl'));
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return true;
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}
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/**
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* Helper callback for notice save
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*
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* Throws an exception if there's a blacklisted url in the content.
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*
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* @param string $url URL in the notice content
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*
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* @return boolean hook value
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*/
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function checkNoticeUrl($url)
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{
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// It comes in special'd, so we unspecial it
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// before comparing against patterns
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$url = htmlspecialchars_decode($url);
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if (!$this->_checkUrl($url)) {
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2010-09-15 04:45:13 +09:00
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$msg = sprintf(_m("You may not use UTL \"%s\" in notices."),
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2009-12-29 05:42:22 +09:00
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$url);
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throw new ClientException($msg);
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}
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return $url;
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}
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/**
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* Helper for checking URLs
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*
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* Checks an URL against our patterns for a match.
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*
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* @param string $url URL to check
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*
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* @return boolean true means it's OK, false means it's bad
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*/
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private function _checkUrl($url)
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{
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2010-03-29 04:17:44 +09:00
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$patterns = $this->_getUrlPatterns();
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foreach ($patterns as $pattern) {
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2010-04-23 23:17:52 +09:00
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if ($pattern != '' && preg_match("/$pattern/", $url)) {
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2009-12-29 05:42:22 +09:00
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return false;
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}
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}
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return true;
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}
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/**
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* Helper for checking nicknames
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*
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* Checks a nickname against our patterns for a match.
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*
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* @param string $nickname nickname to check
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*
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* @return boolean true means it's OK, false means it's bad
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*/
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private function _checkNickname($nickname)
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{
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2010-03-29 04:17:44 +09:00
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$patterns = $this->_getNicknamePatterns();
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foreach ($patterns as $pattern) {
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2010-04-23 23:17:52 +09:00
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if ($pattern != '' && preg_match("/$pattern/", $nickname)) {
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2009-12-29 05:42:22 +09:00
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return false;
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}
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}
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return true;
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}
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2010-01-08 17:38:20 +09:00
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2010-02-07 01:08:58 +09:00
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/**
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* Add our actions to the URL router
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*
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* @param Net_URL_Mapper $m URL mapper for this hit
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*
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* @return boolean hook return
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*/
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function onRouterInitialized($m)
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{
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$m->connect('admin/blacklist', array('action' => 'blacklistadminpanel'));
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return true;
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}
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/**
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* Auto-load our classes if called
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*
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* @param string $cls Class to load
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*
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* @return boolean hook return
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*/
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function onAutoload($cls)
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{
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switch (strtolower($cls))
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{
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2010-03-26 02:49:12 +09:00
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case 'nickname_blacklist':
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case 'homepage_blacklist':
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include_once INSTALLDIR.'/plugins/Blacklist/'.ucfirst($cls).'.php';
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return false;
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2010-02-07 01:08:58 +09:00
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case 'blacklistadminpanelaction':
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$base = strtolower(mb_substr($cls, 0, -6));
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include_once INSTALLDIR.'/plugins/Blacklist/'.$base.'.php';
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return false;
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default:
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return true;
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}
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}
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/**
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* Plugin version data
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*
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* @param array &$versions array of version blocks
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*
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* @return boolean hook value
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*/
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2010-01-08 17:38:20 +09:00
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'Blacklist',
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'version' => self::VERSION,
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'author' => 'Evan Prodromou',
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2010-02-07 01:08:58 +09:00
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'homepage' =>
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'http://status.net/wiki/Plugin:Blacklist',
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2010-01-08 17:38:20 +09:00
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'description' =>
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2010-09-15 04:45:13 +09:00
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_m('Keeps a blacklist of forbidden nickname '.
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2010-02-07 01:08:58 +09:00
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'and URL patterns.'));
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return true;
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}
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/**
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* Determines if our admin panel can be shown
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*
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* @param string $name name of the admin panel
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* @param boolean &$isOK result
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*
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* @return boolean hook value
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*/
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function onAdminPanelCheck($name, &$isOK)
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{
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if ($name == 'blacklist') {
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$isOK = $this->canAdmin;
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return false;
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}
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return true;
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}
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/**
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* Add our tab to the admin panel
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*
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* @param Widget $nav Admin panel nav
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*
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* @return boolean hook value
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*/
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function onEndAdminPanelNav($nav)
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{
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if (AdminPanelAction::canAdmin('blacklist')) {
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$action_name = $nav->action->trimmed('action');
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$nav->out->menuItem(common_local_url('blacklistadminpanel'),
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2010-09-15 04:45:13 +09:00
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_m('Blacklist'),
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_m('Blacklist configuration'),
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2010-02-07 01:08:58 +09:00
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$action_name == 'blacklistadminpanel',
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'nav_blacklist_admin_panel');
|
|
|
|
}
|
|
|
|
|
2010-01-08 17:38:20 +09:00
|
|
|
return true;
|
|
|
|
}
|
2010-02-27 02:29:28 +09:00
|
|
|
|
|
|
|
function onEndDeleteUserForm($action, $user)
|
|
|
|
{
|
|
|
|
$cur = common_current_user();
|
|
|
|
|
|
|
|
if (empty($cur) || !$cur->hasRight(Right::CONFIGURESITE)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
$profile = $user->getProfile();
|
|
|
|
|
|
|
|
if (empty($profile)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
$action->elementStart('ul', 'form_data');
|
|
|
|
$action->elementStart('li');
|
|
|
|
$this->checkboxAndText($action,
|
|
|
|
'blacklistnickname',
|
2010-09-15 04:45:13 +09:00
|
|
|
_m('Add this nickname pattern to blacklist'),
|
2010-02-27 02:29:28 +09:00
|
|
|
'blacklistnicknamepattern',
|
|
|
|
$this->patternizeNickname($user->nickname));
|
|
|
|
$action->elementEnd('li');
|
|
|
|
|
|
|
|
if (!empty($profile->homepage)) {
|
|
|
|
$action->elementStart('li');
|
|
|
|
$this->checkboxAndText($action,
|
|
|
|
'blacklisthomepage',
|
2010-09-15 04:45:13 +09:00
|
|
|
_m('Add this homepage pattern to blacklist'),
|
2010-02-27 02:29:28 +09:00
|
|
|
'blacklisthomepagepattern',
|
|
|
|
$this->patternizeHomepage($profile->homepage));
|
|
|
|
$action->elementEnd('li');
|
|
|
|
}
|
|
|
|
|
|
|
|
$action->elementEnd('ul');
|
|
|
|
}
|
|
|
|
|
|
|
|
function onEndDeleteUser($action, $user)
|
|
|
|
{
|
|
|
|
if ($action->boolean('blacklisthomepage')) {
|
|
|
|
$pattern = $action->trimmed('blacklisthomepagepattern');
|
2010-03-26 02:49:12 +09:00
|
|
|
Homepage_blacklist::ensurePattern($pattern);
|
2010-02-27 02:29:28 +09:00
|
|
|
}
|
|
|
|
|
|
|
|
if ($action->boolean('blacklistnickname')) {
|
|
|
|
$pattern = $action->trimmed('blacklistnicknamepattern');
|
2010-03-26 02:49:12 +09:00
|
|
|
Nickname_blacklist::ensurePattern($pattern);
|
2010-02-27 02:29:28 +09:00
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
function checkboxAndText($action, $checkID, $label, $textID, $value)
|
|
|
|
{
|
|
|
|
$action->element('input', array('name' => $checkID,
|
|
|
|
'type' => 'checkbox',
|
|
|
|
'class' => 'checkbox',
|
|
|
|
'id' => $checkID));
|
|
|
|
|
|
|
|
$action->text(' ');
|
|
|
|
|
|
|
|
$action->element('label', array('class' => 'checkbox',
|
|
|
|
'for' => $checkID),
|
|
|
|
$label);
|
|
|
|
|
|
|
|
$action->text(' ');
|
|
|
|
|
|
|
|
$action->element('input', array('name' => $textID,
|
|
|
|
'type' => 'text',
|
|
|
|
'id' => $textID,
|
|
|
|
'value' => $value));
|
|
|
|
}
|
|
|
|
|
|
|
|
function patternizeNickname($nickname)
|
|
|
|
{
|
|
|
|
return $nickname;
|
|
|
|
}
|
|
|
|
|
|
|
|
function patternizeHomepage($homepage)
|
|
|
|
{
|
|
|
|
$hostname = parse_url($homepage, PHP_URL_HOST);
|
|
|
|
return $hostname;
|
|
|
|
}
|
2009-12-29 05:42:22 +09:00
|
|
|
}
|