gnu-social/plugins/OStatus/lib/salmonaction.php
Mikael Nordfeldth 41773d3f67 MagicEnvelope object orientation (no passing arrays)
MagicEnvelope now uses object properties instead of passing arrays
around everywhere.
2014-05-27 12:01:12 +02:00

223 lines
7.3 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/>.
*/
/**
* @package OStatusPlugin
* @author James Walker <james@status.net>
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class SalmonAction extends Action
{
var $xml = null;
var $activity = null;
var $target = null;
protected function prepare(array $args=array())
{
StatusNet::setApi(true); // Send smaller error pages
parent::prepare($args);
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
// TRANS: Client error. POST is a HTTP command. It should not be translated.
$this->clientError(_m('This method requires a POST.'));
}
if (empty($_SERVER['CONTENT_TYPE']) || $_SERVER['CONTENT_TYPE'] != 'application/magic-envelope+xml') {
// TRANS: Client error. Do not translate "application/magic-envelope+xml".
$this->clientError(_m('Salmon requires "application/magic-envelope+xml".'));
}
$envxml = file_get_contents('php://input');
$magic_env = new MagicEnvelope($envxml); // parse incoming XML as a MagicEnvelope
if (!$magic_env->verify()) {
common_log(LOG_DEBUG, "Salmon signature verification failed.");
// TRANS: Client error.
$this->clientError(_m('Salmon signature verification failed.'));
}
$xml = $magic_env->unfold(); // return the enveloped XML (the actual data)
$dom = DOMDocument::loadXML($xml);
if ($dom->documentElement->namespaceURI != Activity::ATOM ||
$dom->documentElement->localName != 'entry') {
common_log(LOG_DEBUG, "Got invalid Salmon post: $xml");
// TRANS: Client error.
$this->clientError(_m('Salmon post must be an Atom entry.'));
}
$this->activity = new Activity($dom->documentElement);
return true;
}
/**
* Check the posted activity type and break out to appropriate processing.
*/
protected function handle()
{
parent::handle();
common_log(LOG_DEBUG, "Got a " . $this->activity->verb);
if (Event::handle('StartHandleSalmonTarget', array($this->activity, $this->target)) &&
Event::handle('StartHandleSalmon', array($this->activity))) {
switch ($this->activity->verb)
{
case ActivityVerb::POST:
$this->handlePost();
break;
case ActivityVerb::SHARE:
$this->handleShare();
break;
case ActivityVerb::FAVORITE:
$this->handleFavorite();
break;
case ActivityVerb::UNFAVORITE:
$this->handleUnfavorite();
break;
case ActivityVerb::FOLLOW:
case ActivityVerb::FRIEND:
$this->handleFollow();
break;
case ActivityVerb::UNFOLLOW:
$this->handleUnfollow();
break;
case ActivityVerb::JOIN:
$this->handleJoin();
break;
case ActivityVerb::LEAVE:
$this->handleLeave();
break;
case ActivityVerb::TAG:
$this->handleTag();
break;
case ActivityVerb::UNTAG:
$this->handleUntag();
break;
case ActivityVerb::UPDATE_PROFILE:
$this->handleUpdateProfile();
break;
default:
// TRANS: Client exception.
throw new ClientException(_m('Unrecognized activity type.'));
}
Event::handle('EndHandleSalmon', array($this->activity));
Event::handle('EndHandleSalmonTarget', array($this->activity, $this->target));
}
}
function handlePost()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand posts.'));
}
function handleFollow()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand follows.'));
}
function handleUnfollow()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand unfollows.'));
}
function handleFavorite()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand favorites.'));
}
function handleUnfavorite()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand unfavorites.'));
}
function handleShare()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand share events.'));
}
function handleJoin()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand joins.'));
}
function handleLeave()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand leave events.'));
}
function handleTag()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand list events.'));
}
function handleUntag()
{
// TRANS: Client exception.
throw new ClientException(_m('This target does not understand unlist events.'));
}
/**
* Remote user sent us an update to their profile.
* If we already know them, accept the updates.
*/
function handleUpdateProfile()
{
$oprofile = Ostatus_profile::getActorProfile($this->activity);
if ($oprofile instanceof Ostatus_profile) {
common_log(LOG_INFO, "Got a profile-update ping from $oprofile->uri");
$oprofile->updateFromActivityObject($this->activity->actor);
} else {
common_log(LOG_INFO, "Ignoring profile-update ping from unknown " . $this->activity->actor->id);
}
}
/**
* @return Ostatus_profile
*/
function ensureProfile()
{
$actor = $this->activity->actor;
if (empty($actor->id)) {
common_log(LOG_ERR, "broken actor: " . var_export($actor, true));
common_log(LOG_ERR, "activity with no actor: " . var_export($this->activity, true));
// TRANS: Exception.
throw new Exception(_m('Received a salmon slap from unidentified actor.'));
}
return Ostatus_profile::ensureActivityObjectProfile($actor);
}
function saveNotice()
{
$oprofile = $this->ensureProfile();
return $oprofile->processPost($this->activity, 'salmon');
}
}