Qvitter/actions/apiexternalusershow.php
2015-06-02 13:53:36 +02:00

193 lines
5.8 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Show an external user's profile information
*
* 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 GNUsocial
* @author Hannes Mannerheim <h@nnesmannerhe.im>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://www.gnu.org/software/social/
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* Ouputs information for a user, specified by ID or screen name.
* The user's most recent status will be returned inline.
*/
class ApiExternalUserShowAction extends ApiPrivateAuthAction
{
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*
*/
protected function prepare(array $args=array())
{
parent::prepare($args);
$profileurl = urldecode($this->arg('profileurl'));
$nickname = urldecode($this->arg('nickname'));
$this->profile = new stdClass();
$this->profile->external = null;
$this->profile->local = null;
// we can get urls of two types of urls (1) ://instance/nickname
// (2) ://instance/user/1234
//
// in case (1) we have the problem that the html can be outdated,
// i.e. the user can have changed her nickname. we also have no idea
// if it is a multi or single user instance, which forces us to
// guess the api root url.
//
// in case (2) we have another problem: we can't use that url to find
// the local profile for the external user, we need url:s of type (2)
// for that. so we have to try getting the nickname from the external
// instance first
// case (2)
if(strstr($profileurl, '/user/')) {
$external_user_id = substr($profileurl,strpos($profileurl,'/user/')+6);
$external_instance_url = substr($profileurl,0,strpos($profileurl,'/user/')+1);
if(!is_numeric($external_user_id)) {
return true;
}
$external_profile = $this->getProfileFromExternalInstance($external_instance_url,$external_user_id);
if(!isset($external_profile->statusnet_profile_url)) {
return true;
}
$this->profile->external = $external_profile;
$local_profile = Profile::getKV('profileurl',$external_profile->statusnet_profile_url);
if(!$local_profile instanceof Profile) {
return true;
}
$this->profile->local = $this->twitterUserArray($local_profile);
return true;
}
// case (1)
$local_profile = Profile::getKV('profileurl',$profileurl);
if($local_profile instanceof Profile) {
// if profile url is not ending with nickname, this is probably a single user instance
if(!substr($local_profile->profileurl, -strlen($local_profile->nickname))===$local_profile->nickname) {
$external_instance_url = $local_profile->profileurl;
}
// multi user instance
else {
$external_instance_url = substr($local_profile->profileurl, 0, strrpos($local_profile->profileurl, '/'));
}
$external_profile = $this->getProfileFromExternalInstance($external_instance_url,$local_profile->nickname);
if(!isset($external_profile->statusnet_profile_url)) {
return true;
}
$this->profile->external = $external_profile;
$this->profile->local = $this->twitterUserArray($local_profile);
return true;
}
// if we don't know about this user, or the user has changed nickname
// if profile url ends with '/' this is probably an unknown single user instance
if(substr($profileurl, -1)==='/') {
$instanceurl = $profileurl;
$user_id_or_nickname = 1;
}
// multi user instance
else {
$user_id_or_nickname = substr($profileurl, strrpos($profileurl, '/')+1);
$instanceurl = substr($profileurl, 0, strrpos($profileurl, '/'));
}
$external_profile = $this->getProfileFromExternalInstance($instanceurl,$user_id_or_nickname);
if(!isset($external_profile->statusnet_profile_url)) {
return true;
}
$this->profile->external = $external_profile;
return true;
}
/**
* Handle the request
*
* Check the format and show the user info
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
protected function handle()
{
parent::handle();
$this->initDocument('json');
$this->showJsonObjects($this->profile);
$this->endDocument('json');
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
/**
* Get profile from external instance
*
* @return null or profile object
*/
function getProfileFromExternalInstance($instance_url,$user_id_or_nickname)
{
$apicall = $instance_url.'/api/users/show.json?id='.$user_id_or_nickname;
$client = new HTTPClient();
$response = $client->get($apicall);
// json_decode returns null if it fails to decode
return $response->isOk() ? json_decode($response->getBody()) : null;
}
}