gnu-social/plugins/OStatus/OStatusPlugin.php

1493 lines
54 KiB
PHP

<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009-2010, 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/>.
*/
/**
* OStatusPlugin implementation for GNU Social
*
* Depends on: WebFinger plugin
*
* @package OStatusPlugin
* @maintainer Brion Vibber <brion@status.net>
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class OStatusPlugin extends Plugin
{
/**
* Hook for RouterInitialized event.
*
* @param URLMapper $m path-to-action mapper
* @return boolean hook return
*/
public function onRouterInitialized(URLMapper $m)
{
// Discovery actions
$m->connect('main/ostatustag',
array('action' => 'ostatustag'));
$m->connect('main/ostatustag?nickname=:nickname',
array('action' => 'ostatustag'), array('nickname' => '[A-Za-z0-9_-]+'));
$m->connect('main/ostatus/nickname/:nickname',
array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
$m->connect('main/ostatus/group/:group',
array('action' => 'ostatusinit'), array('group' => '[A-Za-z0-9_-]+'));
$m->connect('main/ostatus/peopletag/:peopletag/tagger/:tagger',
array('action' => 'ostatusinit'), array('tagger' => '[A-Za-z0-9_-]+',
'peopletag' => '[A-Za-z0-9_-]+'));
$m->connect('main/ostatus',
array('action' => 'ostatusinit'));
// Remote subscription actions
$m->connect('main/ostatussub',
array('action' => 'ostatussub'));
$m->connect('main/ostatusgroup',
array('action' => 'ostatusgroup'));
$m->connect('main/ostatuspeopletag',
array('action' => 'ostatuspeopletag'));
// PuSH actions
$m->connect('main/push/hub', array('action' => 'pushhub'));
$m->connect('main/push/callback/:feed',
array('action' => 'pushcallback'),
array('feed' => '[0-9]+'));
// Salmon endpoint
$m->connect('main/salmon/user/:id',
array('action' => 'usersalmon'),
array('id' => '[0-9]+'));
$m->connect('main/salmon/group/:id',
array('action' => 'groupsalmon'),
array('id' => '[0-9]+'));
$m->connect('main/salmon/peopletag/:id',
array('action' => 'peopletagsalmon'),
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)
{
// Prepare outgoing distributions after notice save.
$qm->connect('ostatus', 'OStatusQueueHandler');
// Outgoing from our internal PuSH hub
$qm->connect('hubconf', 'HubConfQueueHandler');
$qm->connect('hubprep', 'HubPrepQueueHandler');
$qm->connect('hubout', 'HubOutQueueHandler');
// Outgoing Salmon replies (when we don't need a return value)
$qm->connect('salmon', 'SalmonQueueHandler');
// Incoming from a foreign PuSH hub
$qm->connect('pushin', 'PushInQueueHandler');
// Re-subscribe feeds that need renewal
$qm->connect('pushrenew', 'PushRenewQueueHandler');
return true;
}
/**
* Put saved notices into the queue for pubsub distribution.
*/
function onStartEnqueueNotice($notice, &$transports)
{
if ($notice->inScope(null) && $notice->getProfile()->hasRight(Right::PUBLICNOTICE)) {
// put our transport first, in case there's any conflict (like OMB)
array_unshift($transports, 'ostatus');
$this->log(LOG_INFO, "OSTATUS [{$notice->getID()}]: queued for OStatus processing");
} else {
// FIXME: we don't do privacy-controlled OStatus updates yet.
// once that happens, finer grain of control here.
$this->log(LOG_NOTICE, "OSTATUS [{$notice->getID()}]: Not queueing because of privacy; scope = {$notice->scope}");
}
return true;
}
/**
* Set up a PuSH hub link to our internal link for canonical timeline
* Atom feeds for users and groups.
*/
function onStartApiAtom($feed)
{
$id = null;
if ($feed instanceof AtomUserNoticeFeed) {
$salmonAction = 'usersalmon';
$user = $feed->getUser();
$id = $user->id;
$profile = $user->getProfile();
} else if ($feed instanceof AtomGroupNoticeFeed) {
$salmonAction = 'groupsalmon';
$group = $feed->getGroup();
$id = $group->id;
} else if ($feed instanceof AtomListNoticeFeed) {
$salmonAction = 'peopletagsalmon';
$peopletag = $feed->getList();
$id = $peopletag->id;
} else {
return true;
}
if (!empty($id)) {
$hub = common_config('ostatus', 'hub');
if (empty($hub)) {
// Updates will be handled through our internal PuSH hub.
$hub = common_local_url('pushhub');
}
$feed->addLink($hub, array('rel' => 'hub'));
// Also, we'll add in the salmon link
$salmon = common_local_url($salmonAction, array('id' => $id));
$feed->addLink($salmon, array('rel' => Salmon::REL_SALMON));
// XXX: these are deprecated, but StatusNet only looks for NS_REPLIES
$feed->addLink($salmon, array('rel' => Salmon::NS_REPLIES));
$feed->addLink($salmon, array('rel' => Salmon::NS_MENTIONS));
}
return true;
}
/**
* Add in an OStatus subscribe button
*/
function onStartProfileRemoteSubscribe($output, $profile)
{
$this->onStartProfileListItemActionElements($output, $profile);
return false;
}
function onStartGroupSubscribe($widget, $group)
{
$cur = common_current_user();
if (empty($cur)) {
$widget->out->elementStart('li', 'entity_subscribe');
$url = common_local_url('ostatusinit',
array('group' => $group->nickname));
$widget->out->element('a', array('href' => $url,
'class' => 'entity_remote_subscribe'),
// TRANS: Link to subscribe to a remote entity.
_m('Subscribe'));
$widget->out->elementEnd('li');
return false;
}
return true;
}
function onStartSubscribePeopletagForm($output, $peopletag)
{
$cur = common_current_user();
if (empty($cur)) {
$output->elementStart('li', 'entity_subscribe');
$profile = $peopletag->getTagger();
$url = common_local_url('ostatusinit',
array('tagger' => $profile->nickname, 'peopletag' => $peopletag->tag));
$output->element('a', array('href' => $url,
'class' => 'entity_remote_subscribe'),
// TRANS: Link to subscribe to a remote entity.
_m('Subscribe'));
$output->elementEnd('li');
return false;
}
return true;
}
/*
* If the field being looked for is URI look for the profile
*/
function onStartProfileCompletionSearch($action, $profile, $search_engine) {
if ($action->field == 'uri') {
$profile->joinAdd(array('id', 'user:id'));
$profile->whereAdd('uri LIKE "%' . $profile->escape($q) . '%"');
$profile->query();
$validate = new Validate();
if ($profile->N == 0) {
try {
if ($validate->email($q)) {
$oprofile = Ostatus_profile::ensureWebfinger($q);
} else if ($validate->uri($q)) {
$oprofile = Ostatus_profile::ensureProfileURL($q);
} else {
// TRANS: Exception in OStatus when invalid URI was entered.
throw new Exception(_m('Invalid URI.'));
}
return $this->filter(array($oprofile->localProfile()));
} catch (Exception $e) {
// TRANS: Error message in OStatus plugin. Do not translate the domain names example.com
// TRANS: and example.net, as these are official standard domain names for use in examples.
$this->msg = _m("Sorry, we could not reach that address. Please make sure that the OStatus address is like nickname@example.com or http://example.net/nickname.");
return array();
}
}
return false;
}
return true;
}
/**
* Webfinger matches: @user@example.com or even @user--one.george_orwell@1984.biz
*
* @return array The matching IDs (without @ or acct:) and each respective position in the given string.
*/
static function extractWebfingerIds($text)
{
$wmatches = array();
$result = preg_match_all('/(?:^|\s+)@((?:\w+[\w\-\_\.]?)*(?:[\w\-\_\.]*\w+)@(?:(?!-)[A-Za-z0-9\-]{1,63}(?<!-)\.)+[A-Za-z]{2,10})/',
$text,
$wmatches,
PREG_OFFSET_CAPTURE);
if ($result === false) {
common_log(LOG_ERR, __METHOD__ . ': Error parsing webfinger IDs from text (preg_last_error=='.preg_last_error().').');
} else {
common_debug(sprintf('Found %i matches for WebFinger IDs: %s', count($wmatches), _ve($wmatches)));
}
return $wmatches[1];
}
/**
* Profile URL matches: @example.com/mublog/user
*
* @return array The matching URLs (without @ or acct:) and each respective position in the given string.
*/
static function extractUrlMentions($text)
{
$wmatches = array();
$result = preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)*)!',
$text,
$wmatches,
PREG_OFFSET_CAPTURE);
if ($result === false) {
common_log(LOG_ERR, __METHOD__ . ': Error parsing profile URL mentions from text (preg_last_error=='.preg_last_error().').');
} else {
common_debug(sprintf('Found %i matches for profile URL mentions: %s', count($wmatches), _ve($wmatches)));
}
return $wmatches[1];
}
/**
* Find any explicit remote mentions. Accepted forms:
* Webfinger: @user@example.com
* Profile link: @example.com/mublog/user
* @param Profile $sender
* @param string $text input markup text
* @param array &$mention in/out param: set of found mentions
* @return boolean hook return value
*/
function onEndFindMentions(Profile $sender, $text, &$mentions)
{
$matches = array();
foreach (self::extractWebfingerIds($text) as $wmatch) {
list($target, $pos) = $wmatch;
$this->log(LOG_INFO, "Checking webfinger '$target'");
$profile = null;
try {
$oprofile = Ostatus_profile::ensureWebfinger($target);
if (!$oprofile instanceof Ostatus_profile || !$oprofile->isPerson()) {
continue;
}
$profile = $oprofile->localProfile();
} catch (OStatusShadowException $e) {
// This means we got a local user in the webfinger lookup
$profile = $e->profile;
} catch (Exception $e) {
$this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
continue;
}
assert($profile instanceof Profile);
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target)
? $profile->getNickname() // TODO: we could do getBestName() or getFullname() here
: $target;
$url = $profile->getUri();
if (!common_valid_http_url($url)) {
$url = $profile->getUrl();
}
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $url);
}
foreach (self::extractUrlMentions($text) as $wmatch) {
list($target, $pos) = $wmatch;
$schemes = array('http', 'https');
foreach ($schemes as $scheme) {
$url = "$scheme://$target";
$this->log(LOG_INFO, "Checking profile address '$url'");
try {
$oprofile = Ostatus_profile::ensureProfileURL($url);
if ($oprofile instanceof Ostatus_profile && !$oprofile->isGroup()) {
$profile = $oprofile->localProfile();
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target) ?
$profile->nickname : $target;
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $profile->getUrl());
break;
}
} catch (Exception $e) {
$this->log(LOG_ERR, "Profile check failed: " . $e->getMessage());
}
}
}
foreach ($mentions as $i => $other) {
// If we share a common prefix with a local user, override it!
$pos = $other['position'];
if (isset($matches[$pos])) {
$mentions[$i] = $matches[$pos];
unset($matches[$pos]);
}
}
foreach ($matches as $mention) {
$mentions[] = $mention;
}
return true;
}
/**
* Allow remote profile references to be used in commands:
* sub update@status.net
* whois evan@identi.ca
* reply http://identi.ca/evan hey what's up
*
* @param Command $command
* @param string $arg
* @param Profile &$profile
* @return hook return code
*/
function onStartCommandGetProfile($command, $arg, &$profile)
{
$oprofile = $this->pullRemoteProfile($arg);
if ($oprofile instanceof Ostatus_profile && !$oprofile->isGroup()) {
try {
$profile = $oprofile->localProfile();
} catch (NoProfileException $e) {
// No locally stored profile found for remote profile
return true;
}
return false;
} else {
return true;
}
}
/**
* Allow remote group references to be used in commands:
* join group+statusnet@identi.ca
* join http://identi.ca/group/statusnet
* drop identi.ca/group/statusnet
*
* @param Command $command
* @param string $arg
* @param User_group &$group
* @return hook return code
*/
function onStartCommandGetGroup($command, $arg, &$group)
{
$oprofile = $this->pullRemoteProfile($arg);
if ($oprofile instanceof Ostatus_profile && $oprofile->isGroup()) {
$group = $oprofile->localGroup();
return false;
} else {
return true;
}
}
protected function pullRemoteProfile($arg)
{
$oprofile = null;
if (preg_match('!^((?:\w+\.)*\w+@(?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+)$!', $arg)) {
// webfinger lookup
try {
return Ostatus_profile::ensureWebfinger($arg);
} catch (Exception $e) {
common_log(LOG_ERR, 'Webfinger lookup failed for ' .
$arg . ': ' . $e->getMessage());
}
}
// Look for profile URLs, with or without scheme:
$urls = array();
if (preg_match('!^https?://((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
$urls[] = $arg;
}
if (preg_match('!^((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
$schemes = array('http', 'https');
foreach ($schemes as $scheme) {
$urls[] = "$scheme://$arg";
}
}
foreach ($urls as $url) {
try {
return Ostatus_profile::ensureProfileURL($url);
} catch (Exception $e) {
common_log(LOG_ERR, 'Profile lookup failed for ' .
$arg . ': ' . $e->getMessage());
}
}
return null;
}
function onEndProfileSettingsActions($out) {
$siteName = common_config('site', 'name');
$js = 'navigator.registerContentHandler("application/vnd.mozilla.maybe.feed", "'.addslashes(common_local_url('ostatussub', null, array('profile' => '%s'))).'", "'.addslashes($siteName).'")';
$out->elementStart('li');
$out->element('a',
array('href' => 'javascript:'.$js),
// TRANS: Option in profile settings to add this instance to Firefox as a feedreader
_('Add to Firefox as feedreader'));
$out->elementEnd('li');
}
/**
* Make sure necessary tables are filled out.
*/
function onCheckSchema() {
$schema = Schema::get();
$schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
$schema->ensureTable('feedsub', FeedSub::schemaDef());
$schema->ensureTable('hubsub', HubSub::schemaDef());
$schema->ensureTable('magicsig', Magicsig::schemaDef());
return true;
}
public function onEndShowStylesheets(Action $action) {
$action->cssLink($this->path('theme/base/css/ostatus.css'));
return true;
}
function onEndShowStatusNetScripts($action) {
$action->script($this->path('js/ostatus.js'));
return true;
}
/**
* Override the "from ostatus" bit in notice lists to link to the
* original post and show the domain it came from.
*
* @param Notice in $notice
* @param string out &$name
* @param string out &$url
* @param string out &$title
* @return mixed hook return code
*/
function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
{
// If we don't handle this, keep the event handler going
if (!in_array($notice->source, array('ostatus', 'share'))) {
return true;
}
try {
$url = $notice->getUrl();
// If getUrl() throws exception, $url is never set
$bits = parse_url($url);
$domain = $bits['host'];
if (substr($domain, 0, 4) == 'www.') {
$name = substr($domain, 4);
} else {
$name = $domain;
}
// TRANS: Title. %s is a domain name.
$title = sprintf(_m('Sent from %s via OStatus'), $domain);
// Abort event handler, we have a name and URL!
return false;
} catch (InvalidUrlException $e) {
// This just means we don't have the notice source data
return true;
}
}
/**
* Send incoming PuSH feeds for OStatus endpoints in for processing.
*
* @param FeedSub $feedsub
* @param DOMDocument $feed
* @return mixed hook return code
*/
function onStartFeedSubReceive($feedsub, $feed)
{
$oprofile = Ostatus_profile::getKV('feeduri', $feedsub->uri);
if ($oprofile instanceof Ostatus_profile) {
$oprofile->processFeed($feed, 'push');
} else {
common_log(LOG_DEBUG, "No ostatus profile for incoming feed $feedsub->uri");
}
}
/**
* Tell the FeedSub infrastructure whether we have any active OStatus
* usage for the feed; if not it'll be able to garbage-collect the
* feed subscription.
*
* @param FeedSub $feedsub
* @param integer $count in/out
* @return mixed hook return code
*/
function onFeedSubSubscriberCount($feedsub, &$count)
{
$oprofile = Ostatus_profile::getKV('feeduri', $feedsub->uri);
if ($oprofile instanceof Ostatus_profile) {
$count += $oprofile->subscriberCount();
}
return true;
}
/**
* When about to subscribe to a remote user, start a server-to-server
* PuSH subscription if needed. If we can't establish that, abort.
*
* @fixme If something else aborts later, we could end up with a stray
* PuSH subscription. This is relatively harmless, though.
*
* @param Profile $profile subscriber
* @param Profile $other subscribee
*
* @return hook return code
*
* @throws Exception
*/
function onStartSubscribe(Profile $profile, Profile $other)
{
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $other->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$oprofile->subscribe();
}
/**
* Having established a remote subscription, send a notification to the
* remote OStatus profile's endpoint.
*
* @param Profile $profile subscriber
* @param Profile $other subscribee
*
* @return hook return code
*
* @throws Exception
*/
function onEndSubscribe(Profile $profile, Profile $other)
{
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $other->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$sub = Subscription::pkeyGet(array('subscriber' => $profile->id,
'subscribed' => $other->id));
$act = $sub->asActivity();
$oprofile->notifyActivity($act, $profile);
return true;
}
/**
* Notify remote server and garbage collect unused feeds on unsubscribe.
* @todo FIXME: Send these operations to background queues
*
* @param User $user
* @param Profile $other
* @return hook return value
*/
function onEndUnsubscribe(Profile $profile, Profile $other)
{
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $other->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
// Drop the PuSH subscription if there are no other subscribers.
$oprofile->garbageCollect();
$act = new Activity();
$act->verb = ActivityVerb::UNFOLLOW;
$act->id = TagURI::mint('unfollow:%d:%d:%s',
$profile->id,
$other->id,
common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for unfollowing a remote profile.
$act->title = _m('TITLE','Unfollow');
// TRANS: Success message for unsubscribe from user attempt through OStatus.
// TRANS: %1$s is the unsubscriber's name, %2$s is the unsubscribed user's name.
$act->content = sprintf(_m('%1$s stopped following %2$s.'),
$profile->getBestName(),
$other->getBestName());
$act->actor = $profile->asActivityObject();
$act->objects[] = $other->asActivityObject();
$oprofile->notifyActivity($act, $profile);
return true;
}
/**
* When one of our local users tries to join a remote group,
* notify the remote server. If the notification is rejected,
* deny the join.
*
* @param User_group $group
* @param Profile $profile
*
* @return mixed hook return value
* @throws Exception of various kinds, some from $oprofile->subscribe();
*/
function onStartJoinGroup($group, $profile)
{
$oprofile = Ostatus_profile::getKV('group_id', $group->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$oprofile->subscribe();
// NOTE: we don't use Group_member::asActivity() since that record
// has not yet been created.
$act = new Activity();
$act->id = TagURI::mint('join:%d:%d:%s',
$profile->id,
$group->id,
common_date_iso8601(time()));
$act->actor = $profile->asActivityObject();
$act->verb = ActivityVerb::JOIN;
$act->objects[] = $oprofile->asActivityObject();
$act->time = time();
// TRANS: Title for joining a remote groep.
$act->title = _m('TITLE','Join');
// TRANS: Success message for subscribe to group attempt through OStatus.
// TRANS: %1$s is the member name, %2$s is the subscribed group's name.
$act->content = sprintf(_m('%1$s has joined group %2$s.'),
$profile->getBestName(),
$oprofile->getBestName());
if ($oprofile->notifyActivity($act, $profile)) {
return true;
} else {
$oprofile->garbageCollect();
// TRANS: Exception thrown when joining a remote group fails.
throw new Exception(_m('Failed joining remote group.'));
}
}
/**
* When one of our local users leaves a remote group, notify the remote
* server.
*
* @fixme Might be good to schedule a resend of the leave notification
* if it failed due to a transitory error. We've canceled the local
* membership already anyway, but if the remote server comes back up
* it'll be left with a stray membership record.
*
* @param User_group $group
* @param Profile $profile
*
* @return mixed hook return value
*/
function onEndLeaveGroup($group, $profile)
{
$oprofile = Ostatus_profile::getKV('group_id', $group->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
// Drop the PuSH subscription if there are no other subscribers.
$oprofile->garbageCollect();
$member = $profile;
$act = new Activity();
$act->id = TagURI::mint('leave:%d:%d:%s',
$member->id,
$group->id,
common_date_iso8601(time()));
$act->actor = $member->asActivityObject();
$act->verb = ActivityVerb::LEAVE;
$act->objects[] = $oprofile->asActivityObject();
$act->time = time();
// TRANS: Title for leaving a remote group.
$act->title = _m('TITLE','Leave');
// TRANS: Success message for unsubscribe from group attempt through OStatus.
// TRANS: %1$s is the member name, %2$s is the unsubscribed group's name.
$act->content = sprintf(_m('%1$s has left group %2$s.'),
$member->getBestName(),
$oprofile->getBestName());
$oprofile->notifyActivity($act, $member);
}
/**
* When one of our local users tries to subscribe to a remote peopletag,
* notify the remote server. If the notification is rejected,
* deny the subscription.
*
* @param Profile_list $peopletag
* @param User $user
*
* @return mixed hook return value
* @throws Exception of various kinds, some from $oprofile->subscribe();
*/
function onStartSubscribePeopletag($peopletag, $user)
{
$oprofile = Ostatus_profile::getKV('peopletag_id', $peopletag->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$oprofile->subscribe();
$sub = $user->getProfile();
$tagger = Profile::getKV($peopletag->tagger);
$act = new Activity();
$act->id = TagURI::mint('subscribe_peopletag:%d:%d:%s',
$sub->id,
$peopletag->id,
common_date_iso8601(time()));
$act->actor = $sub->asActivityObject();
$act->verb = ActivityVerb::FOLLOW;
$act->objects[] = $oprofile->asActivityObject();
$act->time = time();
// TRANS: Title for following a remote list.
$act->title = _m('TITLE','Follow list');
// TRANS: Success message for remote list follow through OStatus.
// TRANS: %1$s is the subscriber name, %2$s is the list, %3$s is the lister's name.
$act->content = sprintf(_m('%1$s is now following people listed in %2$s by %3$s.'),
$sub->getBestName(),
$oprofile->getBestName(),
$tagger->getBestName());
if ($oprofile->notifyActivity($act, $sub)) {
return true;
} else {
$oprofile->garbageCollect();
// TRANS: Exception thrown when subscription to remote list fails.
throw new Exception(_m('Failed subscribing to remote list.'));
}
}
/**
* When one of our local users unsubscribes to a remote peopletag, notify the remote
* server.
*
* @param Profile_list $peopletag
* @param User $user
*
* @return mixed hook return value
*/
function onEndUnsubscribePeopletag($peopletag, $user)
{
$oprofile = Ostatus_profile::getKV('peopletag_id', $peopletag->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
// Drop the PuSH subscription if there are no other subscribers.
$oprofile->garbageCollect();
$sub = Profile::getKV($user->id);
$tagger = Profile::getKV($peopletag->tagger);
$act = new Activity();
$act->id = TagURI::mint('unsubscribe_peopletag:%d:%d:%s',
$sub->id,
$peopletag->id,
common_date_iso8601(time()));
$act->actor = $member->asActivityObject();
$act->verb = ActivityVerb::UNFOLLOW;
$act->objects[] = $oprofile->asActivityObject();
$act->time = time();
// TRANS: Title for unfollowing a remote list.
$act->title = _m('Unfollow list');
// TRANS: Success message for remote list unfollow through OStatus.
// TRANS: %1$s is the subscriber name, %2$s is the list, %3$s is the lister's name.
$act->content = sprintf(_m('%1$s stopped following the list %2$s by %3$s.'),
$sub->getBestName(),
$oprofile->getBestName(),
$tagger->getBestName());
$oprofile->notifyActivity($act, $user);
}
/**
* Notify remote users when their notices get favorited.
*
* @param Profile or User $profile of local user doing the faving
* @param Notice $notice being favored
* @return hook return value
*/
function onEndFavorNotice(Profile $profile, Notice $notice)
{
// Only distribute local users' favor actions, remote users
// will have already distributed theirs.
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $notice->profile_id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$fav = Fave::pkeyGet(array('user_id' => $profile->id,
'notice_id' => $notice->id));
if (!$fav instanceof Fave) {
// That's weird.
// TODO: Make pkeyGet throw exception, since this is a critical failure.
return true;
}
$act = $fav->asActivity();
$oprofile->notifyActivity($act, $profile);
return true;
}
/**
* Notify remote user it has got a new people tag
* - tag verb is queued
* - the subscription is done immediately if not present
*
* @param Profile_tag $ptag the people tag that was created
* @return hook return value
* @throws Exception of various kinds, some from $oprofile->subscribe();
*/
function onEndTagProfile($ptag)
{
$oprofile = Ostatus_profile::getKV('profile_id', $ptag->tagged);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$plist = $ptag->getMeta();
if ($plist->private) {
return true;
}
$act = new Activity();
$tagger = $plist->getTagger();
$tagged = Profile::getKV('id', $ptag->tagged);
$act->verb = ActivityVerb::TAG;
$act->id = TagURI::mint('tag_profile:%d:%d:%s',
$plist->tagger, $plist->id,
common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for listing a remote profile.
$act->title = _m('TITLE','List');
// TRANS: Success message for remote list addition through OStatus.
// TRANS: %1$s is the list creator's name, %2$s is the added list member, %3$s is the list name.
$act->content = sprintf(_m('%1$s listed %2$s in the list %3$s.'),
$tagger->getBestName(),
$tagged->getBestName(),
$plist->getBestName());
$act->actor = $tagger->asActivityObject();
$act->objects = array($tagged->asActivityObject());
$act->target = ActivityObject::fromPeopletag($plist);
$oprofile->notifyDeferred($act, $tagger);
// initiate a PuSH subscription for the person being tagged
$oprofile->subscribe();
return true;
}
/**
* Notify remote user that a people tag has been removed
* - untag verb is queued
* - the subscription is undone immediately if not required
* i.e garbageCollect()'d
*
* @param Profile_tag $ptag the people tag that was deleted
* @return hook return value
*/
function onEndUntagProfile($ptag)
{
$oprofile = Ostatus_profile::getKV('profile_id', $ptag->tagged);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$plist = $ptag->getMeta();
if ($plist->private) {
return true;
}
$act = new Activity();
$tagger = $plist->getTagger();
$tagged = Profile::getKV('id', $ptag->tagged);
$act->verb = ActivityVerb::UNTAG;
$act->id = TagURI::mint('untag_profile:%d:%d:%s',
$plist->tagger, $plist->id,
common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for unlisting a remote profile.
$act->title = _m('TITLE','Unlist');
// TRANS: Success message for remote list removal through OStatus.
// TRANS: %1$s is the list creator's name, %2$s is the removed list member, %3$s is the list name.
$act->content = sprintf(_m('%1$s removed %2$s from the list %3$s.'),
$tagger->getBestName(),
$tagged->getBestName(),
$plist->getBestName());
$act->actor = $tagger->asActivityObject();
$act->objects = array($tagged->asActivityObject());
$act->target = ActivityObject::fromPeopletag($plist);
$oprofile->notifyDeferred($act, $tagger);
// unsubscribe to PuSH feed if no more required
$oprofile->garbageCollect();
return true;
}
/**
* Notify remote users when their notices get de-favorited.
*
* @param Profile $profile Profile person doing the de-faving
* @param Notice $notice Notice being favored
*
* @return hook return value
*/
function onEndDisfavorNotice(Profile $profile, Notice $notice)
{
// Only distribute local users' disfavor actions, remote users
// will have already distributed theirs.
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $notice->profile_id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$act = new Activity();
$act->verb = ActivityVerb::UNFAVORITE;
$act->id = TagURI::mint('disfavor:%d:%d:%s',
$profile->id,
$notice->id,
common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for unliking a remote notice.
$act->title = _m('Unlike');
// TRANS: Success message for remove a favorite notice through OStatus.
// TRANS: %1$s is the unfavoring user's name, %2$s is URI to the no longer favored notice.
$act->content = sprintf(_m('%1$s no longer likes %2$s.'),
$profile->getBestName(),
$notice->getUrl());
$act->actor = $profile->asActivityObject();
$act->objects[] = $notice->asActivityObject();
$oprofile->notifyActivity($act, $profile);
return true;
}
function onStartGetProfileUri($profile, &$uri)
{
$oprofile = Ostatus_profile::getKV('profile_id', $profile->id);
if ($oprofile instanceof Ostatus_profile) {
$uri = $oprofile->uri;
return false;
}
return true;
}
function onStartUserGroupHomeUrl($group, &$url)
{
return $this->onStartUserGroupPermalink($group, $url);
}
function onStartUserGroupPermalink($group, &$url)
{
$oprofile = Ostatus_profile::getKV('group_id', $group->id);
if ($oprofile instanceof Ostatus_profile) {
// @fixme this should probably be in the user_group table
// @fixme this uri not guaranteed to be a profile page
$url = $oprofile->uri;
return false;
}
}
function onStartShowSubscriptionsContent($action)
{
$this->showEntityRemoteSubscribe($action);
return true;
}
function onStartShowUserGroupsContent($action)
{
$this->showEntityRemoteSubscribe($action, 'ostatusgroup');
return true;
}
function onEndShowSubscriptionsMiniList($action)
{
$this->showEntityRemoteSubscribe($action);
return true;
}
function onEndShowGroupsMiniList($action)
{
$this->showEntityRemoteSubscribe($action, 'ostatusgroup');
return true;
}
function showEntityRemoteSubscribe($action, $target='ostatussub')
{
if (!$action->getScoped() instanceof Profile) {
// early return if we're not logged in
return true;
}
if ($action->getScoped()->sameAs($action->getTarget())) {
$action->elementStart('div', 'entity_actions');
$action->elementStart('p', array('id' => 'entity_remote_subscribe',
'class' => 'entity_subscribe'));
$action->element('a', array('href' => common_local_url($target),
'class' => 'entity_remote_subscribe'),
// TRANS: Link text for link to remote subscribe.
_m('Remote'));
$action->elementEnd('p');
$action->elementEnd('div');
}
}
/**
* Ping remote profiles with updates to this profile.
* Salmon pings are queued for background processing.
*/
function onEndBroadcastProfile(Profile $profile)
{
$user = User::getKV('id', $profile->id);
// Find foreign accounts I'm subscribed to that support Salmon pings.
//
// @fixme we could run updates through the PuSH feed too,
// in which case we can skip Salmon pings to folks who
// are also subscribed to me.
$sql = "SELECT * FROM ostatus_profile " .
"WHERE profile_id IN " .
"(SELECT subscribed FROM subscription WHERE subscriber=%d) " .
"OR group_id IN " .
"(SELECT group_id FROM group_member WHERE profile_id=%d)";
$oprofile = new Ostatus_profile();
$oprofile->query(sprintf($sql, $profile->id, $profile->id));
if ($oprofile->N == 0) {
common_log(LOG_DEBUG, "No OStatus remote subscribees for $profile->nickname");
return true;
}
$act = new Activity();
$act->verb = ActivityVerb::UPDATE_PROFILE;
$act->id = TagURI::mint('update-profile:%d:%s',
$profile->id,
common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for activity.
$act->title = _m('Profile update');
// TRANS: Ping text for remote profile update through OStatus.
// TRANS: %s is user that updated their profile.
$act->content = sprintf(_m('%s has updated their profile page.'),
$profile->getBestName());
$act->actor = $profile->asActivityObject();
$act->objects[] = $act->actor;
while ($oprofile->fetch()) {
$oprofile->notifyDeferred($act, $profile);
}
return true;
}
// FIXME: This one can accept both an Action and a Widget. Confusing! Refactor to (HTMLOutputter $out, Profile $target)!
function onStartProfileListItemActionElements($item)
{
if (common_logged_in()) {
// only non-logged in users get to see the "remote subscribe" form
return true;
} elseif (!$item->getTarget()->isLocal()) {
// we can (for now) only provide remote subscribe forms for local users
return true;
}
if ($item instanceof ProfileAction) {
$output = $item;
} elseif ($item instanceof Widget) {
$output = $item->out;
} else {
// Bad $item class, don't know how to use this for outputting!
throw new ServerException('Bad item type for onStartProfileListItemActionElements');
}
// Add an OStatus subscribe
$output->elementStart('li', 'entity_subscribe');
$url = common_local_url('ostatusinit',
array('nickname' => $item->getTarget()->getNickname()));
$output->element('a', array('href' => $url,
'class' => 'entity_remote_subscribe'),
// TRANS: Link text for a user to subscribe to an OStatus user.
_m('Subscribe'));
$output->elementEnd('li');
$output->elementStart('li', 'entity_tag');
$url = common_local_url('ostatustag',
array('nickname' => $item->getTarget()->getNickname()));
$output->element('a', array('href' => $url,
'class' => 'entity_remote_tag'),
// TRANS: Link text for a user to list an OStatus user.
_m('List'));
$output->elementEnd('li');
return true;
}
function onPluginVersion(array &$versions)
{
$versions[] = array('name' => 'OStatus',
'version' => GNUSOCIAL_VERSION,
'author' => 'Evan Prodromou, James Walker, Brion Vibber, Zach Copley',
'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/OStatus',
// TRANS: Plugin description.
'rawdescription' => _m('Follow people across social networks that implement '.
'<a href="http://ostatus.org/">OStatus</a>.'));
return true;
}
/**
* Utility function to check if the given URI is a canonical group profile
* page, and if so return the ID number.
*
* @param string $url
* @return mixed int or false
*/
public static function localGroupFromUrl($url)
{
$group = User_group::getKV('uri', $url);
if ($group instanceof User_group) {
if ($group->isLocal()) {
return $group->id;
}
} else {
// To find local groups which haven't had their uri fields filled out...
// If the domain has changed since a subscriber got the URI, it'll
// be broken.
$template = common_local_url('groupbyid', array('id' => '31337'));
$template = preg_quote($template, '/');
$template = str_replace('31337', '(\d+)', $template);
if (preg_match("/$template/", $url, $matches)) {
return intval($matches[1]);
}
}
return false;
}
public function onStartProfileGetAtomFeed($profile, &$feed)
{
$oprofile = Ostatus_profile::getKV('profile_id', $profile->id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$feed = $oprofile->feeduri;
return false;
}
function onStartGetProfileFromURI($uri, &$profile)
{
// Don't want to do Web-based discovery on our own server,
// so we check locally first. This duplicates the functionality
// in the Profile class, since the plugin always runs before
// that local lookup, but since we return false it won't run double.
$user = User::getKV('uri', $uri);
if ($user instanceof User) {
$profile = $user->getProfile();
return false;
} else {
$group = User_group::getKV('uri', $uri);
if ($group instanceof User_group) {
$profile = $group->getProfile();
return false;
}
}
// Now, check remotely
try {
$oprofile = Ostatus_profile::ensureProfileURI($uri);
$profile = $oprofile->localProfile();
return !($profile instanceof Profile); // localProfile won't throw exception but can return null
} catch (Exception $e) {
return true; // It's not an OStatus profile as far as we know, continue event handling
}
}
function onEndWebFingerNoticeLinks(XML_XRD $xrd, Notice $target)
{
$salmon_url = null;
$actor = $target->getProfile();
if ($actor->isLocal()) {
$profiletype = $this->profileTypeString($actor);
$salmon_url = common_local_url("{$profiletype}salmon", array('id' => $actor->getID()));
} else {
try {
$oprofile = Ostatus_profile::fromProfile($actor);
$salmon_url = $oprofile->salmonuri;
} catch (Exception $e) {
// Even though it's not a local user, we couldn't get an Ostatus_profile?!
}
}
// Ostatus_profile salmon URL may be empty
if (!empty($salmon_url)) {
$xrd->links[] = new XML_XRD_Element_Link(Salmon::REL_SALMON, $salmon_url);
}
return true;
}
function onEndWebFingerProfileLinks(XML_XRD $xrd, Profile $target)
{
if ($target->getObjectType() === ActivityObject::PERSON) {
$this->addWebFingerPersonLinks($xrd, $target);
} elseif ($target->getObjectType() === ActivityObject::GROUP) {
$xrd->links[] = new XML_XRD_Element_Link(Discovery::UPDATESFROM,
common_local_url('ApiTimelineGroup',
array('id' => $target->getGroup()->getID(), 'format' => 'atom')),
'application/atom+xml');
}
// Salmon
$profiletype = $this->profileTypeString($target);
$salmon_url = common_local_url("{$profiletype}salmon", array('id' => $target->id));
$xrd->links[] = new XML_XRD_Element_Link(Salmon::REL_SALMON, $salmon_url);
// XXX: these are deprecated, but StatusNet only looks for NS_REPLIES
$xrd->links[] = new XML_XRD_Element_Link(Salmon::NS_REPLIES, $salmon_url);
$xrd->links[] = new XML_XRD_Element_Link(Salmon::NS_MENTIONS, $salmon_url);
// TODO - finalize where the redirect should go on the publisher
$xrd->links[] = new XML_XRD_Element_Link('http://ostatus.org/schema/1.0/subscribe',
common_local_url('ostatussub') . '?profile={uri}',
null, // type not set
true); // isTemplate
return true;
}
protected function profileTypeString(Profile $target)
{
// This is just used to have a definitive string response to "USERsalmon" or "GROUPsalmon"
switch ($target->getObjectType()) {
case ActivityObject::PERSON:
return 'user';
case ActivityObject::GROUP:
return 'group';
default:
throw new ServerException('Unknown profile type for WebFinger profile links');
}
}
protected function addWebFingerPersonLinks(XML_XRD $xrd, Profile $target)
{
$xrd->links[] = new XML_XRD_Element_Link(Discovery::UPDATESFROM,
common_local_url('ApiTimelineUser',
array('id' => $target->id, 'format' => 'atom')),
'application/atom+xml');
// Get this profile's keypair
$magicsig = Magicsig::getKV('user_id', $target->id);
if (!$magicsig instanceof Magicsig && $target->isLocal()) {
$magicsig = Magicsig::generate($target->getUser());
}
if (!$magicsig instanceof Magicsig) {
return false; // value doesn't mean anything, just figured I'd indicate this function didn't do anything
}
if (Event::handle('StartAttachPubkeyToUserXRD', array($magicsig, $xrd, $target))) {
$xrd->links[] = new XML_XRD_Element_Link(Magicsig::PUBLICKEYREL,
'data:application/magic-public-key,'. $magicsig->toString());
// The following event handles plugins like Diaspora which add their own version of the Magicsig pubkey
Event::handle('EndAttachPubkeyToUserXRD', array($magicsig, $xrd, $target));
}
}
public function onGetLocalAttentions(Profile $actor, array $attention_uris, array &$mentions, array &$groups)
{
list($groups, $mentions) = Ostatus_profile::filterAttention($actor, $attention_uris);
}
// FIXME: Maybe this shouldn't be so authoritative that it breaks other remote profile lookups?
static public function onCheckActivityAuthorship(Activity $activity, Profile &$profile)
{
try {
$oprofile = Ostatus_profile::ensureProfileURL($profile->getUrl());
$profile = $oprofile->checkAuthorship($activity);
} catch (Exception $e) {
common_log(LOG_ERR, 'Could not get a profile or check authorship ('.get_class($e).': "'.$e->getMessage().'") for activity ID: '.$activity->id);
$profile = null;
return false;
}
return true;
}
public function onProfileDeleteRelated($profile, &$related)
{
// Ostatus_profile has a 'profile_id' property, which will be used to find the object
$related[] = 'Ostatus_profile';
// Magicsig has a "user_id" column instead, so we have to delete it more manually:
$magicsig = Magicsig::getKV('user_id', $profile->id);
if ($magicsig instanceof Magicsig) {
$magicsig->delete();
}
return true;
}
public function onSalmonSlap($endpoint_uri, MagicEnvelope $magic_env, Profile $target=null)
{
try {
$envxml = $magic_env->toXML($target);
} catch (Exception $e) {
common_log(LOG_ERR, sprintf('Could not generate Magic Envelope XML for profile id=='.$target->getID().': '.$e->getMessage()));
return false;
}
$headers = array('Content-Type: application/magic-envelope+xml');
try {
$client = new HTTPClient();
$client->setBody($envxml);
$response = $client->post($endpoint_uri, $headers);
} catch (Exception $e) {
common_log(LOG_ERR, "Salmon post to $endpoint_uri failed: " . $e->getMessage());
return false;
}
if ($response->getStatus() === 422) {
common_debug(sprintf('Salmon (from profile %d) endpoint %s returned status %s. We assume it is a Diaspora seed; will adapt and try again if that plugin is enabled!', $magic_env->getActor()->getID(), $endpoint_uri, $response->getStatus()));
return true;
}
// 200 OK is the best response
// 202 Accepted is what we get from Diaspora for example
if (!in_array($response->getStatus(), array(200, 202))) {
common_log(LOG_ERR, sprintf('Salmon (from profile %d) endpoint %s returned status %s: %s',
$magic_env->getActor()->getID(), $endpoint_uri, $response->getStatus(), $response->getBody()));
return true;
}
// Since we completed the salmon slap, we discontinue the event
return false;
}
public function onCronDaily()
{
try {
$sub = FeedSub::renewalCheck();
} catch (NoResultException $e) {
common_log(LOG_INFO, "There were no expiring feeds.");
return;
}
$qm = QueueManager::get();
while ($sub->fetch()) {
$item = array('feedsub_id' => $sub->id);
$qm->enqueue($item, 'pushrenew');
}
}
}