Qvitter/actions/apiexternalusershow.php

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<?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);
$this->format = 'json';
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$profileurl = urldecode($this->arg('profileurl'));
$nickname = urldecode($this->arg('nickname'));
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$this->profile = new stdClass();
$this->profile->external = null;
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$this->profile->local = null;
$this->profile->ostatus = null;
// the user might not exist in our db yet, try to use the Ostatus plugin
// to get it in there
$validate = new Validate();
if ($validate->uri($profileurl)) {
$ostatus_profile = Ostatus_profile::ensureProfileURL($profileurl);
$local_profile = Profile::getKV('id',$ostatus_profile->profile_id);
}
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// we can get urls of two types of urls (1) ://instance/nickname
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// (2) ://instance/user/1234
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//
// 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
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// if it is a multi or single user instance, which forces us to
// guess the api root url.
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//
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// in case (2) we have another problem: we can't use that url to find
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// 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
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// case (2)
if(strstr($profileurl, '/user/')) {
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$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)) {
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return true;
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}
$external_profile = $this->getProfileFromExternalInstance($external_instance_url,$external_user_id);
if(!isset($external_profile->statusnet_profile_url)) {
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return true;
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}
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$this->profile->external = $external_profile;
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$local_profile = Profile::getKV('profileurl',$external_profile->statusnet_profile_url);
if(!$local_profile instanceof Profile) {
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return true;
}
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$this->profile->local = $this->twitterUserArray($local_profile);
return true;
}
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// case (1)
if(!isset($local_profile)) {
$local_profile = Profile::getKV('profileurl',$profileurl);
}
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if($local_profile instanceof Profile) {
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// if profile url is not ending with nickname, this is probably a single user instance
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if(!substr($local_profile->profileurl, -strlen($local_profile->nickname))===$local_profile->nickname) {
$external_instance_url = $local_profile->profileurl;
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}
// multi user instance
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else {
$external_instance_url = substr($local_profile->profileurl, 0, strrpos($local_profile->profileurl, '/'));
}
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$external_profile = $this->getProfileFromExternalInstance($external_instance_url,$local_profile->nickname);
if(!isset($external_profile->statusnet_profile_url)) {
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return true;
}
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$this->profile->external = $external_profile;
$this->profile->local = $this->twitterUserArray($local_profile);
return true;
}
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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;
}
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/**
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* Get profile from external instance
*
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* @return null or profile object
*/
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function getProfileFromExternalInstance($instance_url,$user_id_or_nickname)
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{
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$apicall = $instance_url.'/api/users/show.json?id='.$user_id_or_nickname;
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$client = new HTTPClient();
$response = $client->get($apicall);
// json_decode returns null if it fails to decode
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return $response->isOk() ? json_decode($response->getBody()) : null;
}
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}