87423a0191
ActivityPubPlugin: - Minor re-write of favor/disfavor event handlers Activitypub_postman: like/undo-like: - fix proper getUrl() call misc: - make all activities accumulate errors (may be needed later) and log some information about it
391 lines
13 KiB
PHP
391 lines
13 KiB
PHP
<?php
|
|
// This file is part of GNU social - https://www.gnu.org/software/social
|
|
//
|
|
// GNU social 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.
|
|
//
|
|
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
/**
|
|
* ActivityPub implementation for GNU social
|
|
*
|
|
* @package GNUsocial
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
* @copyright 2018-2019 Free Software Foundation, Inc http://www.fsf.org
|
|
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
|
|
* @link http://www.gnu.org/software/social/
|
|
*/
|
|
|
|
defined('GNUSOCIAL') || die();
|
|
|
|
/**
|
|
* ActivityPub's own Postman
|
|
*
|
|
* Standard workflow expects that we send an Explorer to find out destinataries'
|
|
* inbox address. Then we send our postman to deliver whatever we want to send them.
|
|
*
|
|
* @category Plugin
|
|
* @package GNUsocial
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
|
|
*/
|
|
class Activitypub_postman
|
|
{
|
|
private $actor;
|
|
private $actor_uri;
|
|
private $to = [];
|
|
private $client;
|
|
private $headers;
|
|
|
|
/**
|
|
* Create a postman to deliver something to someone
|
|
*
|
|
* @param Profile $from Profile of sender
|
|
* @param $to
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function __construct($from, $to)
|
|
{
|
|
$this->actor = $from;
|
|
$discovery = new Activitypub_explorer();
|
|
$this->to = $to;
|
|
$followers = apActorFollowersAction::generate_followers($this->actor, 0, null);
|
|
foreach ($followers as $sub) {
|
|
try {
|
|
$this->to[]= Activitypub_profile::from_profile($discovery->lookup($sub)[0]);
|
|
} catch (Exception $e) {
|
|
// Not an ActivityPub Remote Follower, let it go
|
|
}
|
|
}
|
|
unset($discovery);
|
|
|
|
$this->actor_uri = ActivityPubPlugin::actor_uri($this->actor);
|
|
|
|
$this->client = new HTTPClient();
|
|
}
|
|
|
|
/**
|
|
* Send something to remote instance
|
|
*
|
|
* @param string $data request body
|
|
* @param string $inbox url of remote inbox
|
|
* @param string $method request method
|
|
* @return GNUsocial_HTTPResponse
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function send($data, $inbox, $method = 'POST')
|
|
{
|
|
common_debug('ActivityPub Postman: Delivering '.$data.' to '.$inbox);
|
|
|
|
$headers = HttpSignature::sign($this->actor, $inbox, $data);
|
|
|
|
common_debug('ActivityPub Postman: Delivery headers were: '.print_r($headers, true));
|
|
|
|
$this->client->setBody($data);
|
|
|
|
switch ($method) {
|
|
case 'POST':
|
|
$response = $this->client->post($inbox, $headers);
|
|
break;
|
|
case 'GET':
|
|
$response = $this->client->get($inbox, $headers);
|
|
break;
|
|
default:
|
|
throw new Exception("Unsupported request method for postman.");
|
|
}
|
|
|
|
common_debug('ActivityPub Postman: Delivery result with status code '.$response->getStatus().': '.$response->getBody());
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Send a follow notification to remote instance
|
|
*
|
|
* @return bool
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function follow()
|
|
{
|
|
$data = Activitypub_follow::follow_to_array(ActivityPubPlugin::actor_uri($this->actor), $this->to[0]->getUrl());
|
|
$res = $this->send(json_encode($data, JSON_UNESCAPED_SLASHES), $this->to[0]->get_inbox());
|
|
$res_body = json_decode($res->getBody());
|
|
|
|
if ($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409) {
|
|
$pending_list = new Activitypub_pending_follow_requests($this->actor->getID(), $this->to[0]->getID());
|
|
$pending_list->add();
|
|
return true;
|
|
} elseif (isset($res_body[0]->error)) {
|
|
throw new Exception($res_body[0]->error);
|
|
}
|
|
|
|
throw new Exception("An unknown error occurred.");
|
|
}
|
|
|
|
/**
|
|
* Send a Undo Follow notification to remote instance
|
|
*
|
|
* @return bool
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function undo_follow()
|
|
{
|
|
$data = Activitypub_undo::undo_to_array(
|
|
Activitypub_follow::follow_to_array(
|
|
ActivityPubPlugin::actor_uri($this->actor),
|
|
$this->to[0]->getUrl()
|
|
)
|
|
);
|
|
$res = $this->send(json_encode($data, JSON_UNESCAPED_SLASHES), $this->to[0]->get_inbox());
|
|
$res_body = json_decode($res->getBody());
|
|
|
|
if ($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409) {
|
|
Activitypub_profile::unsubscribeCacheUpdate($this->actor, $this->to[0]->local_profile());
|
|
$pending_list = new Activitypub_pending_follow_requests($this->actor->getID(), $this->to[0]->getID());
|
|
$pending_list->remove();
|
|
return true;
|
|
}
|
|
if (isset($res_body[0]->error)) {
|
|
throw new Exception($res_body[0]->error);
|
|
}
|
|
throw new Exception("An unknown error occurred.");
|
|
}
|
|
|
|
/**
|
|
* Send a Accept Follow notification to remote instance
|
|
*
|
|
* @return bool
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function accept_follow()
|
|
{
|
|
$data = Activitypub_accept::accept_to_array(
|
|
Activitypub_follow::follow_to_array(
|
|
$this->to[0]->getUrl(),
|
|
ActivityPubPlugin::actor_uri($this->actor)
|
|
|
|
)
|
|
);
|
|
$res = $this->send(json_encode($data, JSON_UNESCAPED_SLASHES), $this->to[0]->get_inbox());
|
|
$res_body = json_decode($res->getBody());
|
|
|
|
if ($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409) {
|
|
$pending_list = new Activitypub_pending_follow_requests($this->to[0]->getID(), $this->actor->getID());
|
|
$pending_list->remove();
|
|
return true;
|
|
}
|
|
if (isset($res_body[0]->error)) {
|
|
throw new Exception($res_body[0]->error);
|
|
}
|
|
throw new Exception("An unknown error occurred.");
|
|
}
|
|
|
|
/**
|
|
* Send a Like notification to remote instances holding the notice
|
|
*
|
|
* @param Notice $notice
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws InvalidUrlException
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function like($notice)
|
|
{
|
|
$data = Activitypub_like::like_to_array(
|
|
ActivityPubPlugin::actor_uri($this->actor),
|
|
Activitypub_notice::getUrl($notice)
|
|
);
|
|
$data = json_encode($data, JSON_UNESCAPED_SLASHES);
|
|
|
|
foreach ($this->to_inbox() as $inbox) {
|
|
$res = $this->send($data, $inbox);
|
|
|
|
// accummulate errors for later use, if needed
|
|
if (!($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409)) {
|
|
$res_body = json_decode($res->getBody(), true);
|
|
$errors[] = isset($res_body[0]['error']) ?
|
|
$res_body[0]['error'] : "An unknown error occurred.";
|
|
}
|
|
}
|
|
|
|
if (!empty($errors)) {
|
|
common_log(LOG_ERR, sizeof($errors) . " instance/s failed to handle the like activity!");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a Undo Like notification to remote instances holding the notice
|
|
*
|
|
* @param Notice $notice
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws InvalidUrlException
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function undo_like($notice)
|
|
{
|
|
$data = Activitypub_undo::undo_to_array(
|
|
Activitypub_like::like_to_array(
|
|
ActivityPubPlugin::actor_uri($this->actor),
|
|
Activitypub_notice::getUrl($notice)
|
|
)
|
|
);
|
|
$data = json_encode($data, JSON_UNESCAPED_SLASHES);
|
|
|
|
foreach ($this->to_inbox() as $inbox) {
|
|
$res = $this->send($data, $inbox);
|
|
|
|
// accummulate errors for later use, if needed
|
|
if (!($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409)) {
|
|
$res_body = json_decode($res->getBody(), true);
|
|
$errors[] = isset($res_body[0]['error']) ?
|
|
$res_body[0]['error'] : "An unknown error occurred.";
|
|
}
|
|
}
|
|
|
|
if (!empty($errors)) {
|
|
common_log(LOG_ERR, sizeof($errors) . " instance/s failed to handle the undo-like activity!");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a Create notification to remote instances
|
|
*
|
|
* @param Notice $notice
|
|
* @throws EmptyPkeyValueException
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws InvalidUrlException
|
|
* @throws ServerException
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function create_note($notice)
|
|
{
|
|
$data = Activitypub_create::create_to_array(
|
|
$this->actor_uri,
|
|
Activitypub_notice::notice_to_array($notice)
|
|
);
|
|
$data = json_encode($data, JSON_UNESCAPED_SLASHES);
|
|
|
|
foreach ($this->to_inbox() as $inbox) {
|
|
$res = $this->send($data, $inbox);
|
|
|
|
// accummulate errors for later use, if needed
|
|
if (!($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409)) {
|
|
$res_body = json_decode($res->getBody(), true);
|
|
$errors[] = isset($res_body[0]['error']) ?
|
|
$res_body[0]['error'] : "An unknown error occurred.";
|
|
}
|
|
}
|
|
|
|
if (!empty($errors)) {
|
|
common_log(LOG_ERR, sizeof($errors) . " instance/s failed to handle the create-note activity!");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a Announce notification to remote instances
|
|
*
|
|
* @param Notice $notice
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function announce($notice)
|
|
{
|
|
$data = Activitypub_announce::announce_to_array(
|
|
ActivityPubPlugin::actor_uri($this->actor),
|
|
Activitypub_notice::getUrl($notice)
|
|
);
|
|
$data = json_encode($data, JSON_UNESCAPED_SLASHES);
|
|
|
|
foreach ($this->to_inbox() as $inbox) {
|
|
$res = $this->send($data, $inbox);
|
|
|
|
// accummulate errors for later use, if needed
|
|
if (!($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409)) {
|
|
$res_body = json_decode($res->getBody(), true);
|
|
$errors[] = isset($res_body[0]['error']) ?
|
|
$res_body[0]['error'] : "An unknown error occurred.";
|
|
}
|
|
}
|
|
|
|
if (!empty($errors)) {
|
|
common_log(LOG_ERR, sizeof($errors) . " instance/s failed to handle the announce activity!");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a Delete notification to remote instances holding the notice
|
|
*
|
|
* @param Notice $notice
|
|
* @throws HTTP_Request2_Exception
|
|
* @throws InvalidUrlException
|
|
* @throws Exception
|
|
* @throws Exception
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
*/
|
|
public function delete($notice)
|
|
{
|
|
$data = Activitypub_delete::delete_to_array(
|
|
ActivityPubPlugin::actor_uri($notice->getProfile()),
|
|
$notice->getUrl()
|
|
);
|
|
$errors = [];
|
|
$data = json_encode($data, JSON_UNESCAPED_SLASHES);
|
|
foreach ($this->to_inbox() as $inbox) {
|
|
$res = $this->send($data, $inbox);
|
|
if (!($res->getStatus() == 200 || $res->getStatus() == 202 || $res->getStatus() == 409)) {
|
|
$res_body = json_decode($res->getBody(), true);
|
|
$errors[] = isset($res_body[0]['error']) ?
|
|
$res_body[0]['error'] : "An unknown error occurred.";
|
|
}
|
|
}
|
|
if (!empty($errors)) {
|
|
throw new Exception(json_encode($errors));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clean list of inboxes to deliver messages
|
|
*
|
|
* @author Diogo Cordeiro <diogo@fc.up.pt>
|
|
* @return array To Inbox URLs
|
|
*/
|
|
private function to_inbox()
|
|
{
|
|
$to_inboxes = [];
|
|
foreach ($this->to as $to_profile) {
|
|
$i = $to_profile->get_inbox();
|
|
// Prevent delivering to self
|
|
if ($i == [common_local_url('apInbox')]) {
|
|
continue;
|
|
}
|
|
$to_inboxes[] = $i;
|
|
}
|
|
|
|
return array_unique($to_inboxes);
|
|
}
|
|
}
|