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Add discovery module

This commit is contained in:
Diogo Cordeiro 2018-07-06 11:47:28 +01:00
parent c065c76f16
commit 4cb1ed2c9d
1 changed files with 65 additions and 0 deletions
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<?php
/**
* GNU social - a federating social network
*
* An activity
*
* 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 Feed
* @package GNUsocial
* @author Daniel Supernault <danielsupernault@gmail.com>
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2018 Free Software Foundaction, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://gnu.io/social
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class Activitypub_Discovery {
public function lookup ($url)
{
// First check if we already have it locally
if (($actor_profile = Profile::getKV("profileurl", $url)) != false) {
return $actor_profile;
}
// If that's not the case, grab it
$client = new HTTPClient ();
$headers = array();
$headers[] = 'Accept: application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
$headers[] = 'User-Agent: GNUSocialBot v0.1 - https://gnu.io/social';
$response = $client->get ($url, $headers);
$this->response = json_decode ($response->getBody (), JSON_UNESCAPED_SLASHES);
if (!$response->isOk ())
ActivityPubReturn::error("Invalid Actor URL", 404);
return $this->storeProfile ();
}
public function storeProfile ()
{
$res = $this->response;
$profile = new Profile;
$profile->profileurl = $res["url"];
$profile->nickname = $res["nickname"];
$profile->fulname = $res["display_name"];
$profile->bio = str_limit($res["summary"], 1000);
$profile->insert ();
return $profile;
}
}