30268cff78
Anil Dash suggested that all implementers of the Twitter API include support for the remedial RSD format. This commit adds an RSD action that returns the API root and additional API data to help client developers discover and use our Twitter-compatible API. http://dashes.com/anil/2009/12/the-twitter-api-is-finished.html http://tales.phrasewise.com/rfc/rsd
254 lines
7.1 KiB
PHP
254 lines
7.1 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Action for displaying the public stream
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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 Public
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2008-2009 StatusNet, Inc.
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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') && !defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/publicgroupnav.php';
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require_once INSTALLDIR.'/lib/noticelist.php';
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require_once INSTALLDIR.'/lib/feedlist.php';
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// Farther than any human will go
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define('MAX_PUBLIC_PAGE', 100);
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/**
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* Action for displaying the public stream
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*
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* @category Public
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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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* @see PublicrssAction
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* @see PublicxrdsAction
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*/
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class PublicAction extends Action
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{
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/**
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* page of the stream we're on; default = 1
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*/
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var $page = null;
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var $notice;
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function isReadOnly($args)
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{
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return true;
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}
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/**
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* Read and validate arguments
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*
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* @param array $args URL parameters
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*
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* @return boolean success value
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
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if ($this->page > MAX_PUBLIC_PAGE) {
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$this->clientError(sprintf(_("Beyond the page limit (%s)"), MAX_PUBLIC_PAGE));
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}
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common_set_returnto($this->selfUrl());
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$this->notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
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NOTICES_PER_PAGE + 1);
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if (!$this->notice) {
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$this->serverError(_('Could not retrieve public stream.'));
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return;
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}
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if($this->page > 1 && $this->notice->N == 0){
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$this->serverError(_('No such page'),$code=404);
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}
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return true;
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}
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/**
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* handle request
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*
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* Show the public stream, using recipe method showPage()
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*
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* @param array $args arguments, mostly unused
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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$this->showPage();
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}
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/**
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* Title of the page
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*
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* @return page title, including page number if over 1
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*/
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function title()
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{
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if ($this->page > 1) {
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return sprintf(_('Public timeline, page %d'), $this->page);
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} else {
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return _('Public timeline');
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}
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}
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function extraHead()
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{
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parent::extraHead();
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$this->element('meta', array('http-equiv' => 'X-XRDS-Location',
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'content' => common_local_url('publicxrds')));
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$rsd = common_local_url('rsd');
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// RSD, http://tales.phrasewise.com/rfc/rsd
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$this->element('link', array('rel' => 'EditURI',
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'type' => 'application/rsd+xml',
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'href' => $rsd));
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}
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/**
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* Output <head> elements for RSS and Atom feeds
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*
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* @return void
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*/
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function getFeeds()
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{
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return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
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_('Public Stream Feed (RSS 1.0)')),
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new Feed(Feed::RSS2,
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common_local_url('ApiTimelinePublic',
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array('format' => 'rss')),
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_('Public Stream Feed (RSS 2.0)')),
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new Feed(Feed::ATOM,
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common_local_url('ApiTimelinePublic',
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array('format' => 'atom')),
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_('Public Stream Feed (Atom)')));
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}
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/**
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* Show tabset for this page
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*
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* Uses the PublicGroupNav widget
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*
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* @return void
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* @see PublicGroupNav
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*/
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function showLocalNav()
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{
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$nav = new PublicGroupNav($this);
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$nav->show();
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}
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function showEmptyList()
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{
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$message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
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if (common_logged_in()) {
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$message .= _('Be the first to post!');
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}
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else {
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if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
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$message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
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}
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}
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$this->elementStart('div', 'guide');
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$this->raw(common_markup_to_html($message));
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$this->elementEnd('div');
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}
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/**
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* Fill the content area
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*
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* Shows a list of the notices in the public stream, with some pagination
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* controls.
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*
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* @return void
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*/
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function showContent()
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{
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$nl = new NoticeList($this->notice, $this);
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$cnt = $nl->show();
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if ($cnt == 0) {
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$this->showEmptyList();
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}
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$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
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$this->page, 'public');
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}
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function showSections()
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{
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// $top = new TopPostersSection($this);
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// $top->show();
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$pop = new PopularNoticeSection($this);
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$pop->show();
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$gbp = new GroupsByMembersSection($this);
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$gbp->show();
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$feat = new FeaturedUsersSection($this);
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$feat->show();
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}
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function showAnonymousMessage()
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{
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if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
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$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
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'based on the Free Software [StatusNet](http://status.net/) tool. ' .
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'[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ' .
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'([Read more](%%doc.help%%))');
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} else {
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$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
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'based on the Free Software [StatusNet](http://status.net/) tool.');
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}
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$this->elementStart('div', array('id' => 'anon_notice'));
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$this->raw(common_markup_to_html($m));
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$this->elementEnd('div');
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}
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}
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