forked from GNUsocial/gnu-social
277 lines
8.8 KiB
PHP
277 lines
8.8 KiB
PHP
<?php
|
|
/*
|
|
StatusNet Plugin: 0.9
|
|
Plugin Name: FeedSub
|
|
Plugin URI: http://status.net/wiki/Feed_subscription
|
|
Description: FeedSub allows subscribing to real-time updates from external feeds supporting PubHubSubbub protocol.
|
|
Version: 0.1
|
|
Author: Brion Vibber <brion@status.net>
|
|
Author URI: http://status.net/
|
|
*/
|
|
|
|
/*
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2009, StatusNet, Inc.
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
/**
|
|
* @package FeedSubPlugin
|
|
* @maintainer Brion Vibber <brion@status.net>
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
|
|
|
|
define('FEEDSUB_SERVICE', 100); // fixme -- avoid hardcoding these?
|
|
|
|
// We bundle the XML_Parse_Feed library...
|
|
set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib');
|
|
|
|
class FeedSubException extends Exception
|
|
{
|
|
}
|
|
|
|
class OStatusPlugin extends Plugin
|
|
{
|
|
/**
|
|
* Hook for RouterInitialized event.
|
|
*
|
|
* @param Net_URL_Mapper $m path-to-action mapper
|
|
* @return boolean hook return
|
|
*/
|
|
function onRouterInitialized($m)
|
|
{
|
|
// Discovery actions
|
|
$m->connect('.well-known/host-meta',
|
|
array('action' => 'hostmeta'));
|
|
$m->connect('main/webfinger',
|
|
array('action' => 'webfinger'));
|
|
$m->connect('main/ostatus',
|
|
array('action' => 'ostatusinit'));
|
|
$m->connect('main/ostatus?nickname=:nickname',
|
|
array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
|
|
$m->connect('main/ostatussub',
|
|
array('action' => 'ostatussub'));
|
|
$m->connect('main/ostatussub',
|
|
array('action' => 'ostatussub'), array('feed' => '[A-Za-z0-9\.\/\:]+'));
|
|
|
|
// PuSH actions
|
|
$m->connect('main/push/hub', array('action' => 'pushhub'));
|
|
|
|
$m->connect('main/push/callback/:feed',
|
|
array('action' => 'pushcallback'),
|
|
array('feed' => '[0-9]+'));
|
|
$m->connect('settings/feedsub',
|
|
array('action' => 'feedsubsettings'));
|
|
|
|
// Salmon endpoint
|
|
$m->connect('main/salmon/user/:id',
|
|
array('action' => 'salmon'),
|
|
array('id' => '[0-9]+'));
|
|
$m->connect('main/salmon/group/:id',
|
|
array('action' => 'salmongroup'),
|
|
array('id' => '[0-9]+'));
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set up queue handlers for outgoing hub pushes
|
|
* @param QueueManager $qm
|
|
* @return boolean hook return
|
|
*/
|
|
function onEndInitializeQueueManager(QueueManager $qm)
|
|
{
|
|
$qm->connect('hubverify', 'HubVerifyQueueHandler');
|
|
$qm->connect('hubdistrib', 'HubDistribQueueHandler');
|
|
$qm->connect('hubout', 'HubOutQueueHandler');
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Put saved notices into the queue for pubsub distribution.
|
|
*/
|
|
function onStartEnqueueNotice($notice, &$transports)
|
|
{
|
|
$transports[] = 'hubdistrib';
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set up a PuSH hub link to our internal link for canonical timeline
|
|
* Atom feeds for users and groups.
|
|
*/
|
|
function onStartApiAtom(Action $action)
|
|
{
|
|
if ($action instanceof ApiTimelineUserAction) {
|
|
$salmonAction = 'salmon';
|
|
} else if ($action instanceof ApiTimelineGroupAction) {
|
|
$salmonAction = 'salmongroup';
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
$id = $action->arg('id');
|
|
if (strval(intval($id)) === strval($id)) {
|
|
// Canonical form of id in URL? These are used for OStatus syndication.
|
|
|
|
$hub = common_config('ostatus', 'hub');
|
|
if (empty($hub)) {
|
|
// Updates will be handled through our internal PuSH hub.
|
|
$hub = common_local_url('pushhub');
|
|
}
|
|
$action->element('link', array('rel' => 'hub',
|
|
'href' => $hub));
|
|
|
|
// Also, we'll add in the salmon link
|
|
$salmon = common_local_url($salmonAction, array('id' => $id));
|
|
$action->element('link', array('rel' => 'salmon',
|
|
'href' => $salmon));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add the feed settings page to the Connect Settings menu
|
|
*
|
|
* @param Action &$action The calling page
|
|
*
|
|
* @return boolean hook return
|
|
*/
|
|
function onEndConnectSettingsNav(&$action)
|
|
{
|
|
$action_name = $action->trimmed('action');
|
|
|
|
$action->menuItem(common_local_url('feedsubsettings'),
|
|
_m('Feeds'),
|
|
_m('Feed subscription options'),
|
|
$action_name === 'feedsubsettings');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Automatically load the actions and libraries used by the plugin
|
|
*
|
|
* @param Class $cls the class
|
|
*
|
|
* @return boolean hook return
|
|
*
|
|
*/
|
|
function onAutoload($cls)
|
|
{
|
|
$base = dirname(__FILE__);
|
|
$lower = strtolower($cls);
|
|
$files = array("$base/classes/$cls.php",
|
|
"$base/lib/$lower.php");
|
|
if (substr($lower, -6) == 'action') {
|
|
$files[] = "$base/actions/" . substr($lower, 0, -6) . ".php";
|
|
}
|
|
foreach ($files as $file) {
|
|
if (file_exists($file)) {
|
|
include_once $file;
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Add in an OStatus subscribe button
|
|
*/
|
|
function onStartProfilePageActionsElements($output, $profile)
|
|
{
|
|
$cur = common_current_user();
|
|
|
|
if (empty($cur)) {
|
|
// Add an OStatus subscribe
|
|
$output->elementStart('li', 'entity_subscribe');
|
|
$url = common_local_url('ostatusinit',
|
|
array('nickname' => $profile->nickname));
|
|
$output->element('a', array('href' => $url,
|
|
'class' => 'entity_remote_subscribe'),
|
|
_m('OStatus'));
|
|
|
|
$output->elementEnd('li');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if we've got remote replies to send via Salmon.
|
|
*
|
|
* @fixme push webfinger lookup & sending to a background queue
|
|
* @fixme also detect short-form name for remote subscribees where not ambiguous
|
|
*/
|
|
function onEndNoticeSave($notice)
|
|
{
|
|
$count = preg_match_all('/(\w+\.)*\w+@(\w+\.)*\w+(\w+\-\w+)*\.\w+/', $notice->content, $matches);
|
|
if ($count) {
|
|
foreach ($matches[0] as $webfinger) {
|
|
// Check to see if we've got an actual webfinger
|
|
$w = new Webfinger;
|
|
|
|
$endpoint_uri = '';
|
|
|
|
$result = $w->lookup($webfinger);
|
|
if (empty($result)) {
|
|
continue;
|
|
}
|
|
|
|
foreach ($result->links as $link) {
|
|
if ($link['rel'] == 'salmon') {
|
|
$endpoint_uri = $link['href'];
|
|
}
|
|
}
|
|
|
|
if (empty($endpoint_uri)) {
|
|
continue;
|
|
}
|
|
|
|
$xml = '<?xml version="1.0" encoding="UTF-8" ?>';
|
|
$xml .= $notice->asAtomEntry();
|
|
|
|
$salmon = new Salmon();
|
|
$salmon->post($endpoint_uri, $xml);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Garbage collect unused feeds on unsubscribe
|
|
*/
|
|
function onEndUnsubscribe($user, $other)
|
|
{
|
|
$feed = Feedinfo::staticGet('profile_id', $other->id);
|
|
if ($feed) {
|
|
$sub = new Subscription();
|
|
$sub->subscribed = $other->id;
|
|
$sub->limit(1);
|
|
if (!$sub->find(true)) {
|
|
common_log(LOG_INFO, "Unsubscribing from now-unused feed $feed->feeduri on hub $feed->huburi");
|
|
$feed->unsubscribe();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Make sure necessary tables are filled out.
|
|
*/
|
|
function onCheckSchema() {
|
|
$schema = Schema::get();
|
|
$schema->ensureTable('feedinfo', Feedinfo::schemaDef());
|
|
$schema->ensureTable('hubsub', HubSub::schemaDef());
|
|
return true;
|
|
}
|
|
}
|