gnu-social/actions/apiuserprofileimage.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Return a user's avatar image
*
* 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 Brion Vibber <brion@status.net>
* @copyright 2010 StatusNet, Inc.
* @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);
}
/**
* Ouputs avatar URL for a user, specified by screen name.
* Unlike most API endpoints, this returns an HTTP redirect rather than direct data.
*
* @category API
* @package StatusNet
* @author Brion Vibber <brion@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 ApiUserProfileImageAction extends ApiPrivateAuthAction
{
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*
*/
protected function prepare($args)
{
parent::prepare($args);
$user = User::getKV('nickname', $this->arg('screen_name'));
if (!($user instanceof User)) {
// TRANS: Client error displayed when requesting user information for a non-existing user.
$this->clientError(_('User not found.'), 404);
}
$this->target = $user->getProfile();
$this->size = $this->arg('size');
return true;
}
/**
* Handle the request
*
* Check the format and show the user info
*
* @return void
*/
protected function handle()
{
parent::handle();
$size = $this->avatarSize();
$url = $this->target->avatarUrl($size);
// We don't actually output JSON or XML data -- redirect!
common_redirect($url, 302);
}
/**
* Get the appropriate pixel size for an avatar based on the request...
*
* @return int
*/
private function avatarSize()
{
switch ($this->size) {
case 'mini':
return AVATAR_MINI_SIZE; // 24x24
case 'bigger':
return AVATAR_PROFILE_SIZE; // Twitter does 73x73, but we do 96x96
case 'normal': // fall through
default:
return AVATAR_STREAM_SIZE; // 48x48
}
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
}