321 lines
13 KiB
PHP
321 lines
13 KiB
PHP
<?php
|
|
/*
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2010, 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/>.
|
|
*/
|
|
|
|
if (!defined('STATUSNET')) {
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* Prepare WebSub and Salmon distributions for an outgoing message.
|
|
*
|
|
* @package OStatusPlugin
|
|
* @author Brion Vibber <brion@status.net>
|
|
*/
|
|
class OStatusQueueHandler extends QueueHandler
|
|
{
|
|
// If we have more than this many subscribing sites on a single feed,
|
|
// break up the WebSub distribution into smaller batches which will be
|
|
// rolled into the queue progressively. This reduces disruption to
|
|
// other, shorter activities being enqueued while we work.
|
|
const MAX_UNBATCHED = 50;
|
|
|
|
// Each batch (a 'hubprep' entry) will have this many items.
|
|
// Selected to provide a balance between queue packet size
|
|
// and number of batches that will end up getting processed.
|
|
// For 20,000 target sites, 1000 should work acceptably.
|
|
const BATCH_SIZE = 1000;
|
|
|
|
function transport()
|
|
{
|
|
return 'ostatus';
|
|
}
|
|
|
|
function handle($notice)
|
|
{
|
|
assert($notice instanceof Notice);
|
|
|
|
$this->notice = $notice;
|
|
$this->user = User::getKV('id', $notice->profile_id);
|
|
|
|
try {
|
|
$profile = $this->notice->getProfile();
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Can't get profile for notice; skipping: " . $e->getMessage());
|
|
return true;
|
|
}
|
|
|
|
foreach ($notice->getAttentionProfiles() as $target) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: Attention target profile {$target->getNickname()} ({$target->getID()})");
|
|
if ($target->isGroup()) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: {$target->getID()} is a group");
|
|
$oprofile = Ostatus_profile::getKV('group_id', $target->getGroup()->getID());
|
|
if (!$oprofile instanceof Ostatus_profile) {
|
|
// we don't save profiles like this yet, but in the future
|
|
$oprofile = Ostatus_profile::getKV('profile_id', $target->getID());
|
|
}
|
|
if ($oprofile instanceof Ostatus_profile) {
|
|
// remote group
|
|
if ($notice->isLocal()) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: notice is local and remote group with profile ID {$target->getID()} gets a ping");
|
|
$this->pingReply($oprofile);
|
|
}
|
|
} else {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: local group with profile id {$target->getID()} gets pushed out");
|
|
// local group
|
|
$this->pushGroup($target->getGroup());
|
|
}
|
|
} elseif ($notice->isLocal()) {
|
|
// Notices generated on other sites will have already
|
|
// pinged their reply-targets, so only do these things
|
|
// if the target is not a group and the notice is locally generated
|
|
|
|
$oprofile = Ostatus_profile::getKV('profile_id', $target->getID());
|
|
if ($oprofile instanceof Ostatus_profile) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: Notice is local and {$target->getID()} is remote profile, getting pingReply");
|
|
$this->pingReply($oprofile);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($notice->isLocal()) {
|
|
// Notices generated on remote sites will have already
|
|
// been pushed to user's subscribers by their origin sites.
|
|
$this->pushUser();
|
|
|
|
try {
|
|
$parent = $this->notice->getParent();
|
|
foreach($parent->getAttentionProfiles() as $related) {
|
|
if ($related->isGroup()) {
|
|
// don't ping groups in parent notices since we might not be a member of them,
|
|
// though it could be useful if we study this and use it correctly
|
|
continue;
|
|
}
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: parent notice {$parent->getID()} has related profile id=={$related->getID()}");
|
|
// FIXME: don't ping twice in case someone is in both notice attention spans!
|
|
$oprofile = Ostatus_profile::getKV('profile_id', $related->getID());
|
|
if ($oprofile instanceof Ostatus_profile) {
|
|
$this->pingReply($oprofile);
|
|
}
|
|
}
|
|
} catch (NoParentNoticeException $e) {
|
|
// nothing to do then
|
|
}
|
|
|
|
foreach ($notice->getProfileTags() as $ptag) {
|
|
$oprofile = Ostatus_profile::getKV('peopletag_id', $ptag->id);
|
|
if (!$oprofile) {
|
|
$this->pushPeopletag($ptag);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function pushUser()
|
|
{
|
|
if ($this->user) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: pushing feed for local user {$this->user->getID()}");
|
|
// For local posts, ping the WebSub hub to update their feed.
|
|
// http://identi.ca/api/statuses/user_timeline/1.atom
|
|
$feed = common_local_url('ApiTimelineUser',
|
|
array('id' => $this->user->id,
|
|
'format' => 'atom'));
|
|
$this->pushFeed($feed, array($this, 'userFeedForNotice'));
|
|
}
|
|
}
|
|
|
|
function pushGroup(User_group $group)
|
|
{
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: pushing group '{$group->getNickname()}' profile_id={$group->profile_id}");
|
|
// For a local group, ping the WebSub hub to update its feed.
|
|
// Updates may come from either a local or a remote user.
|
|
$feed = common_local_url('ApiTimelineGroup',
|
|
array('id' => $group->getID(),
|
|
'format' => 'atom'));
|
|
$this->pushFeed($feed, array($this, 'groupFeedForNotice'), $group->getID());
|
|
}
|
|
|
|
function pushPeopletag($ptag)
|
|
{
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: pushing peopletag '{$ptag->id}'");
|
|
// For a local people tag, ping the WebSub hub to update its feed.
|
|
// Updates may come from either a local or a remote user.
|
|
$feed = common_local_url('ApiTimelineList',
|
|
array('id' => $ptag->id,
|
|
'user' => $ptag->tagger,
|
|
'format' => 'atom'));
|
|
$this->pushFeed($feed, array($this, 'peopletagFeedForNotice'), $ptag);
|
|
}
|
|
|
|
function pingReply(Ostatus_profile $oprofile)
|
|
{
|
|
if ($this->user) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: pinging reply to {$oprofile->localProfile()->getNickname()} for local user '{$this->user->getID()}'");
|
|
// For local posts, send a Salmon ping to the mentioned
|
|
// remote user or group.
|
|
// @fixme as an optimization we can skip this if the
|
|
// remote profile is subscribed to the author.
|
|
$oprofile->notifyDeferred($this->notice, $this->user);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $feed URI to the feed
|
|
* @param callable $callback function to generate Atom feed update if needed
|
|
* any additional params are passed to the callback.
|
|
*/
|
|
function pushFeed($feed, $callback)
|
|
{
|
|
// NOTE: external hub pings will not be fixed by
|
|
// our legacy_http thing!
|
|
$hub = common_config('ostatus', 'hub');
|
|
if ($hub) {
|
|
$this->pushFeedExternal($feed, $hub);
|
|
}
|
|
|
|
// If we used to be http but now are https, see if we find an http entry for this feed URL
|
|
// and then upgrade it. This self-healing feature needs to be enabled manually in config.
|
|
// This code is based on a patch by @hannes2peer@quitter.se
|
|
if (common_config('fix', 'legacy_http') && parse_url($feed, PHP_URL_SCHEME) === 'https') {
|
|
common_log(LOG_DEBUG, "OSTATUS [{$this->notice->getID()}]: Searching for http scheme instead for HubSub feed topic: "._ve($feed));
|
|
$http_feed = str_replace('https://', 'http://', $feed);
|
|
$sub = new HubSub();
|
|
$sub->topic = $http_feed;
|
|
// If we find it we upgrade the rows in the hubsub table.
|
|
if ($sub->find()) {
|
|
common_log(LOG_INFO, "OSTATUS [{$this->notice->getID()}]: Found topic with http scheme for "._ve($feed).", will update the rows to use https instead!");
|
|
// we found an http:// URL but we use https:// now
|
|
// so let's update the rows to reflect on this!
|
|
while ($sub->fetch()) {
|
|
common_debug("OSTATUS [{$this->notice->getID()}]: Changing topic URL to https for feed callback "._ve($sub->callback));
|
|
$orig = clone($sub);
|
|
$sub->topic = $feed;
|
|
// hashkey column will be set automagically in HubSub->onUpdateKeys through updateWithKeys
|
|
$sub->updateWithKeys($orig);
|
|
unset($orig);
|
|
}
|
|
}
|
|
}
|
|
|
|
$sub = new HubSub();
|
|
$sub->topic = $feed;
|
|
if ($sub->find()) {
|
|
$args = array_slice(func_get_args(), 2);
|
|
$atom = call_user_func_array($callback, $args);
|
|
$this->pushFeedInternal($atom, $sub);
|
|
} else {
|
|
common_log(LOG_INFO, "OSTATUS [{$this->notice->getID()}]: No WebSub subscribers for $feed");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ping external hub about this update.
|
|
* The hub will pull the feed and check for new items later.
|
|
* Not guaranteed safe in an environment with database replication.
|
|
*
|
|
* @param string $feed feed topic URI
|
|
* @param string $hub WebSub hub URI
|
|
* @fixme can consolidate pings for user & group posts
|
|
*/
|
|
function pushFeedExternal($feed, $hub)
|
|
{
|
|
$client = new HTTPClient();
|
|
try {
|
|
$data = array('hub.mode' => 'publish',
|
|
'hub.url' => $feed);
|
|
$response = $client->post($hub, array(), $data);
|
|
if ($response->getStatus() == 204) {
|
|
common_log(LOG_INFO, "WebSub ping to hub $hub for $feed ok");
|
|
return true;
|
|
} else {
|
|
common_log(LOG_ERR, "WebSub ping to hub $hub for $feed failed with HTTP " .
|
|
$response->getStatus() . ': ' .
|
|
$response->getBody());
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "WebSub ping to hub $hub for $feed failed: " . $e->getMessage());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Queue up direct feed update pushes to subscribers on our internal hub.
|
|
* If there are a large number of subscriber sites, intermediate bulk
|
|
* distribution triggers may be queued.
|
|
*
|
|
* @param string $atom update feed, containing only new/changed items
|
|
* @param HubSub $sub open query of subscribers
|
|
*/
|
|
function pushFeedInternal($atom, $sub)
|
|
{
|
|
common_log(LOG_INFO, "Preparing $sub->N WebSub distribution(s) for $sub->topic");
|
|
$n = 0;
|
|
$batch = array();
|
|
while ($sub->fetch()) {
|
|
$n++;
|
|
if ($n < self::MAX_UNBATCHED) {
|
|
$sub->distribute($atom);
|
|
} else {
|
|
$batch[] = $sub->callback;
|
|
if (count($batch) >= self::BATCH_SIZE) {
|
|
$sub->bulkDistribute($atom, $batch);
|
|
$batch = array();
|
|
}
|
|
}
|
|
}
|
|
if (count($batch) > 0) {
|
|
$sub->bulkDistribute($atom, $batch);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Build a single-item version of the sending user's Atom feed.
|
|
* @return string
|
|
*/
|
|
function userFeedForNotice()
|
|
{
|
|
$atom = new AtomUserNoticeFeed($this->user);
|
|
$atom->addEntryFromNotice($this->notice);
|
|
$feed = $atom->getString();
|
|
|
|
return $feed;
|
|
}
|
|
|
|
function groupFeedForNotice($group_id)
|
|
{
|
|
$group = User_group::getKV('id', $group_id);
|
|
|
|
$atom = new AtomGroupNoticeFeed($group);
|
|
$atom->addEntryFromNotice($this->notice);
|
|
$feed = $atom->getString();
|
|
|
|
return $feed;
|
|
}
|
|
|
|
function peopletagFeedForNotice($ptag)
|
|
{
|
|
$atom = new AtomListNoticeFeed($ptag);
|
|
$atom->addEntryFromNotice($this->notice);
|
|
$feed = $atom->getString();
|
|
|
|
return $feed;
|
|
}
|
|
}
|