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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Show a notice (as a Twitter-style status)
*
* 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 API
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Tom Blankenship <mac65@mac65.com>
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Robin Millette <robin@millette.info>
* @author Zach Copley <zach@status.net>
* @copyright 2009 StatusNet, Inc.
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/lib/apiprivateauth.php';
/**
* Returns the notice specified by id as a Twitter-style status and inline user
*
* @category API
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Tom Blankenship <mac65@mac65.com>
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Robin Millette <robin@millette.info>
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApiStatusesShowAction extends ApiPrivateAuthAction
{
var $notice_id = null;
var $notice = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
// 'id' is an undocumented parameter in Twitter's API. Several
// clients make use of it, so we support it too.
// show.json?id=12345 takes precedence over /show/12345.json
$this->notice_id = (int)$this->trimmed('id');
if (empty($notice_id)) {
$this->notice_id = (int)$this->arg('id');
}
$this->notice = Notice::staticGet((int)$this->notice_id);
return true;
}
/**
* Handle the request
*
* Check the format and show the notice
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if (!in_array($this->format, array('xml', 'json', 'atom'))) {
// TRANS: Client error displayed when trying to handle an unknown API method.
$this->clientError(_('API method not found.'), 404);
return;
}
switch ($_SERVER['REQUEST_METHOD']) {
case 'GET':
$this->showNotice();
break;
case 'DELETE':
$this->deleteNotice();
break;
default:
$this->clientError(_('HTTP method not supported.'), 405);
return;
}
}
/**
* Show the notice
*
* @return void
*/
function showNotice()
{
if (!empty($this->notice)) {
switch ($this->format) {
case 'xml':
$this->showSingleXmlStatus($this->notice);
break;
case 'json':
$this->show_single_json_status($this->notice);
break;
case 'atom':
$this->showSingleAtomStatus($this->notice);
break;
default:
throw new Exception(sprintf(_("Unsupported format: %s"), $this->format));
}
} else {
// XXX: Twitter just sets a 404 header and doens't bother
// to return an err msg
$deleted = Deleted_notice::staticGet($this->notice_id);
if (!empty($deleted)) {
$this->clientError(
// TRANS: Client error displayed requesting a deleted status.
_('Status deleted.'),
410,
$this->format
);
} else {
$this->clientError(
// TRANS: Client error displayed requesting a status with an invalid ID.
_('No status with that ID found.'),
404,
$this->format
);
}
}
}
/**
* Is this action read only?
*
* @param array $args other arguments
*
* @return boolean true
*/
function isReadOnly($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'GET') {
return true;
} else {
return false;
}
}
/**
* When was this notice last modified?
*
* @return string datestamp of the latest notice in the stream
*/
function lastModified()
{
if (!empty($this->notice)) {
return strtotime($this->notice->created);
}
return null;
}
/**
* An entity tag for this notice
*
* Returns an Etag based on the action name, language, and
* timestamps of the notice
*
* @return string etag
*/
function etag()
{
if (!empty($this->notice)) {
return '"' . implode(
':',
array($this->arg('action'),
common_user_cache_hash($this->auth_user),
common_language(),
$this->notice->id,
strtotime($this->notice->created))
)
. '"';
}
return null;
}
function deleteNotice()
{
if ($this->format != 'atom') {
$this->clientError(_("Can only delete using the Atom format."));
return;
}
if (empty($this->auth_user) ||
($this->notice->profile_id != $this->auth_user->id &&
!$this->auth_user->hasRight(Right::DELETEOTHERSNOTICE))) {
$this->clientError(_('Can\'t delete this notice.'), 403);
return;
}
if (Event::handle('StartDeleteOwnNotice', array($this->auth_user, $this->notice))) {
$this->notice->delete();
Event::handle('EndDeleteOwnNotice', array($this->auth_user, $this->notice));
}
// @fixme is there better output we could do here?
header('HTTP/1.1 200 OK');
header('Content-Type: text/plain');
print(sprintf(_('Deleted notice %d'), $this->notice->id));
print("\n");
}
}
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