gnu-social/actions/attachments.php

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Show notice attachments
*
* PHP version 5
*
* LICENCE: 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 Personal
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008-2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/attachmentlist.php';
/**
* Show notice attachments
*
* @category Personal
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class AttachmentsAction extends Action
{
/**
* Notice object to show
*/
var $notice = null;
/**
* Profile of the notice object
*/
var $profile = null;
/**
* Avatar of the profile of the notice object
*/
var $avatar = null;
/**
* Is this action read-only?
*
* @return boolean true
*/
function isReadOnly($args)
{
return true;
}
/**
* Last-modified date for page
*
* When was the content of this page last modified? Based on notice,
* profile, avatar.
*
* @return int last-modified date as unix timestamp
*/
function lastModified()
{
return max(strtotime($this->notice->created),
strtotime($this->profile->modified),
($this->avatar) ? strtotime($this->avatar->modified) : 0);
}
/**
* An entity tag for this page
*
* Shows the ETag for the page, based on the notice ID and timestamps
* for the notice, profile, and avatar. It's weak, since we change
* the date text "one hour ago", etc.
*
* @return string etag
*/
function etag()
{
$avtime = ($this->avatar) ?
strtotime($this->avatar->modified) : 0;
return 'W/"' . implode(':', array($this->arg('action'),
common_language(),
$this->notice->id,
strtotime($this->notice->created),
strtotime($this->profile->modified),
$avtime)) . '"';
}
/**
* Title of the page
*
* @return string title of the page
*/
function title()
{
return sprintf(_('%1$s\'s status on %2$s'),
$this->profile->nickname,
common_exact_date($this->notice->created));
}
/**
* Load attributes based on database arguments
*
* Loads all the DB stuff
*
* @param array $args $_REQUEST array
*
* @return success flag
*/
function prepare($args)
{
parent::prepare($args);
$id = $this->arg('notice');
$this->notice = Notice::staticGet($id);
if (!$this->notice) {
$this->clientError(_('No such notice.'), 404);
return false;
}
/*
// STOP if there are no attachments
// maybe even redirect if there's a single one
// RYM FIXME TODO
$this->clientError(_('No such attachment.'), 404);
return false;
*/
$this->profile = $this->notice->getProfile();
if (!$this->profile) {
$this->serverError(_('Notice has no profile'), 500);
return false;
}
$this->avatar = $this->profile->getAvatar(AVATAR_PROFILE_SIZE);
return true;
}
/**
* Handle input
*
* Only handles get, so just show the page.
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($this->notice->is_local == 0) {
if (!empty($this->notice->url)) {
common_redirect($this->notice->url, 301);
} else if (!empty($this->notice->uri) && preg_match('/^https?:/', $this->notice->uri)) {
common_redirect($this->notice->uri, 301);
}
} else {
$f2p = new File_to_post;
$f2p->post_id = $this->notice->id;
$file = new File;
$file->joinAdd($f2p);
$file->selectAdd();
$file->selectAdd('file.id as id');
$count = $file->find(true);
if (!$count) return;
if (1 === $count) {
common_redirect(common_local_url('attachment', array('attachment' => $file->id)), 301);
} else {
$this->showPage();
}
}
}
/**
* Don't show local navigation
*
* @return void
*/
function showLocalNavBlock()
{
}
/**
* Fill the content area of the page
*
* Shows a single notice list item.
*
* @return void
*/
function showContent()
{
$al = new AttachmentList($this->notice, $this);
$cnt = $al->show();
}
/**
* Don't show page notice
*
* @return void
*/
function showPageNoticeBlock()
{
}
/**
* Don't show aside
*
* @return void
*/
function showAside() {
}
/**
* Extra <head> content
*
* We show the microid(s) for the author, if any.
*
* @return void
*/
function extraHead()
{
$user = User::staticGet($this->profile->id);
if (!$user) {
return;
}
if ($user->emailmicroid && $user->email && $this->notice->uri) {
$id = new Microid('mailto:'. $user->email,
$this->notice->uri);
$this->element('meta', array('name' => 'microid',
'content' => $id->toString()));
}
if ($user->jabbermicroid && $user->jabber && $this->notice->uri) {
$id = new Microid('xmpp:', $user->jabber,
$this->notice->uri);
$this->element('meta', array('name' => 'microid',
'content' => $id->toString()));
}
}
}