gnu-social/plugins/Sitemap/SitemapPlugin.php

237 lines
7.6 KiB
PHP

<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Creates a dynamic sitemap for a StatusNet site
*
* 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 Sample
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 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);
}
/**
* Sitemap plugin
*
* @category Sample
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class SitemapPlugin extends Plugin
{
const USERS_PER_MAP = 50000;
const NOTICES_PER_MAP = 50000;
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'Sitemap_user_count':
case 'Sitemap_notice_count':
require_once $dir . '/' . $cls . '.php';
return false;
case 'SitemapindexAction':
case 'NoticesitemapAction':
case 'UsersitemapAction':
case 'SitemapadminpanelAction':
require_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'SitemapAction':
require_once $dir . '/' . strtolower($cls) . '.php';
return false;
default:
return true;
}
}
/**
* Add sitemap-related information at the end of robots.txt
*
* @param Action $action Action being run
*
* @return boolean hook value.
*/
function onEndRobotsTxt($action)
{
$url = common_local_url('sitemapindex');
print "\nSitemap: $url\n";
return true;
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onRouterInitialized($m)
{
$m->connect('sitemapindex.xml',
array('action' => 'sitemapindex'));
$m->connect('/notice-sitemap-:year-:month-:day-:index.xml',
array('action' => 'noticesitemap'),
array('year' => '[0-9]{4}',
'month' => '[01][0-9]',
'day' => '[0123][0-9]',
'index' => '[1-9][0-9]*'));
$m->connect('/user-sitemap-:year-:month-:day-:index.xml',
array('action' => 'usersitemap'),
array('year' => '[0-9]{4}',
'month' => '[01][0-9]',
'day' => '[0123][0-9]',
'index' => '[1-9][0-9]*'));
$m->connect('panel/sitemap',
array('action' => 'sitemapadminpanel'));
return true;
}
/**
* Meta tags for "claiming" a site
*
* We add extra meta tags that search engines like Yahoo!, Google, and Bing
* require to let you claim your site.
*
* @param Action $action Action being executed
*
* @return boolean hook value.
*/
function onStartShowHeadElements($action)
{
$actionName = $action->trimmed('action');
$singleUser = common_config('singleuser', 'enabled');
// Different "top" pages if it's single user or not
if (($singleUser && $actionName == 'showstream') ||
(!$singleUser && $actionName == 'public')) {
$keys = array('googlekey' => 'google-site-verification',
'yahookey' => 'y_key',
'bingkey' => 'msvalidate.01'); // XXX: is this the same for all sites?
foreach ($keys as $config => $metaname) {
$content = common_config('sitemap', $config);
if (!empty($content)) {
$action->element('meta', array('name' => $metaname,
'content' => $content));
}
}
}
return true;
}
/**
* Database schema setup
*
* We cache some data persistently to avoid overlong queries.
*
* @see Sitemap_user_count
* @see Sitemap_notice_count
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
$schema->ensureTable('sitemap_user_count',
array(new ColumnDef('registration_date', 'date', null,
true, 'PRI'),
new ColumnDef('user_count', 'integer'),
new ColumnDef('created', 'datetime',
null, false),
new ColumnDef('modified', 'timestamp')));
$schema->ensureTable('sitemap_notice_count',
array(new ColumnDef('notice_date', 'date', null,
true, 'PRI'),
new ColumnDef('notice_count', 'integer'),
new ColumnDef('created', 'datetime',
null, false),
new ColumnDef('modified', 'timestamp')));
return true;
}
function onEndAdminPanelNav($menu) {
if (AdminPanelAction::canAdmin('sitemap')) {
// TRANS: Menu item title/tooltip
$menu_title = _m('Sitemap configuration');
// TRANS: Menu item for site administration
$menu->out->menuItem(common_local_url('sitemapadminpanel'), _m('MENU','Sitemap'),
$menu_title, $action_name == 'sitemapadminpanel', 'nav_sitemap_admin_panel');
}
return true;
}
/**
* Provide plugin version information.
*
* This data is used when showing the version page.
*
* @param array &$versions array of version data arrays; see EVENTS.txt
*
* @return boolean hook value
*/
function onPluginVersion(&$versions)
{
$url = 'http://status.net/wiki/Plugin:Sitemap';
$versions[] = array('name' => 'Sitemap',
'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => $url,
'rawdescription' =>
// TRANS: Plugin description.
_m('This plugin allows creation of sitemaps for Bing, Yahoo! and Google.'));
return true;
}
}