gnu-social/plugins/RSSCloud/RSSCloudPlugin.php
2021-07-16 19:44:40 +01:00

231 lines
6.3 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/>.
/**
* Plugin to support RSSCloud
*
* @category Plugin
* @package GNUsocial
* @author Zach Copley <zach@status.net>
* @copyright 2009 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
define('RSSCLOUDPLUGIN_VERSION', '0.1.0');
/**
* Plugin class for adding RSSCloud capabilities to StatusNet
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class RSSCloudPlugin extends Plugin
{
/**
* Our friend, the constructor
*
* @return void
*/
public function __construct()
{
parent::__construct();
}
/**
* Setup the info for the subscription handler. Allow overriding
* to point at another cloud hub (not currently used).
*
* @return void
*/
public function onInitializePlugin(): void
{
$this->domain = common_config('rsscloud', 'domain');
$this->port = common_config('rsscloud', 'port');
$this->path = common_config('rsscloud', 'path');
$this->funct = common_config('rsscloud', 'function');
$this->protocol = common_config('rsscloud', 'protocol');
// set defaults
$local_server = parse_url(common_path('main/rsscloud/request_notify'));
if (empty($this->domain)) {
$this->domain = $local_server['host'];
}
if (empty($this->port)) {
$this->port = '80';
}
if (empty($this->path)) {
$this->path = $local_server['path'];
}
if (empty($this->funct)) {
$this->funct = '';
}
if (empty($this->protocol)) {
$this->protocol = 'http-post';
}
}
/**
* Add RSSCloud-related paths to the router table
*
* Hook for RouterInitialized event.
*
* @param URLMapper $m URL parser and mapper
* @return bool hook return
*/
public function onRouterInitialized(URLMapper $m): bool
{
$m->connect(
'main/rsscloud/request_notify',
['action' => 'RSSCloudRequestNotify']
);
// XXX: This is just for end-to-end testing. Uncomment if you need to pretend
// to be a cloud hub for some reason.
//$m->connect(
// 'main/rsscloud/notify',
// ['action' => 'LoggingAggregator']
//);
return true;
}
/**
* Add a <cloud> element to the RSS feed (after the rss <channel>
* element is started).
*
* @param Action $action the ApiAction
* @return void
*/
public function onStartApiRss(Action $action): void
{
if (get_class($action) == 'ApiTimelineUserAction') {
$attrs = [
'domain' => $this->domain,
'port' => $this->port,
'path' => $this->path,
'registerProcedure' => $this->funct,
'protocol' => $this->protocol,
];
// Dipping into XMLWriter to avoid a full end element (</cloud>).
$action->xw->startElement('cloud');
foreach ($attrs as $name => $value) {
$action->xw->writeAttribute($name, $value);
}
$action->xw->endElement();
}
}
/**
* Add an RSSCloud queue item for each notice
*
* @param Notice $notice the notice
* @param array &$transports the list of transports (queues)
* @return bool hook return
*/
public function onStartEnqueueNotice(
Notice $notice,
array &$transports
): bool {
if ($notice->isLocal()) {
array_push($transports, 'rsscloud');
}
return true;
}
/**
* Create the rsscloud_subscription table if it's not
* already in the DB
*
* @return bool hook return
*/
public function onCheckSchema(): bool
{
$schema = Schema::get();
$schema->ensureTable(
'rsscloud_subscription',
RSSCloudSubscription::schemaDef()
);
return true;
}
/**
* Register RSSCloud notice queue handler
*
* @param QueueManager $manager
* @return bool hook return
*/
public function onEndInitializeQueueManager(QueueManager $manager): bool
{
$manager->connect('rsscloud', 'RSSCloudQueueHandler');
return true;
}
/**
* Ensure that subscriptions for a user are deleted
* when that user gets deleted.
*
* @param User $user
* @param array &$related list of related tables
*
* @return bool hook result
*/
public function onUserDeleteRelated(User $user, array &$related): bool
{
$sub = new RSSCloudSubscription();
$sub->subscribed = $user->id;
if ($sub->find()) {
while ($sub->fetch()) {
$sub->delete();
}
}
$sub->free();
return true;
}
public function onPluginVersion(array &$versions): bool
{
$versions[] = [
'name' => 'RSSCloud',
'version' => RSSCLOUDPLUGIN_VERSION,
'author' => 'Zach Copley',
'homepage' => GNUSOCIAL_ENGINE_REPO_URL . 'tree/master/plugins/RSSCloud',
'rawdescription' =>
// TRANS: Plugin description.
_m('The RSSCloud plugin enables your GNU social instance to '
. 'publish real-time updates for profile RSS feeds using the '
. '<a href="http://rsscloud.co/">rssCloud protocol</a>.'),
];
return true;
}
}