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<?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('STATUSNET')) {
exit(1);
}
class SalmonAction extends Action
{
var $xml = null;
var $activity = null;
function prepare($args)
{
StatusNet::setApi(true); // Send smaller error pages
parent::prepare($args);
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->clientError(_('This method requires a POST.'));
}
if ($_SERVER['CONTENT_TYPE'] != 'application/atom+xml') {
$this->clientError(_('Salmon requires application/atom+xml'));
}
$xml = file_get_contents('php://input');
$dom = DOMDocument::loadXML($xml);
if ($dom->documentElement->namespaceURI != Activity::ATOM ||
$dom->documentElement->localName != 'entry') {
$this->clientError(_m('Salmon post must be an Atom entry.'));
}
// XXX: check the signature
$this->act = new Activity($dom->documentElement);
return true;
}
/**
* Check the posted activity type and break out to appropriate processing.
*/
function handle($args)
{
StatusNet::setApi(true); // Send smaller error pages
// TODO : Insert new $xml -> notice code
if (Event::handle('StartHandleSalmon', array($this->activity))) {
switch ($this->act->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:
$this->handleJoin();
break;
default:
throw new ClientException(_("Unimplemented."));
}
Event::handle('EndHandleSalmon', array($this->activity));
}
}
function handlePost()
{
throw new ClientException(_("Unimplemented!"));
}
function handleFollow()
{
throw new ClientException(_("Unimplemented!"));
}
function handleUnfollow()
{
throw new ClientException(_("Unimplemented!"));
}
function handleFavorite()
{
throw new ClientException(_("Unimplemented!"));
}
/**
* Remote user doesn't like one of our posts after all!
* Confirm the post is ours, and delete a local favorite event.
*/
function handleUnfavorite()
{
throw new ClientException(_("Unimplemented!"));
}
/**
* Hmmmm
*/
function handleShare()
{
throw new ClientException(_("Unimplemented!"));
}
/**
* Hmmmm
*/
function handleJoin()
{
throw new ClientException(_("Unimplemented!"));
}
/**
* @return Ostatus_profile
*/
function ensureProfile()
{
$actor = $this->act->actor;
if (empty($actor->id)) {
common_log(LOG_ERR, "broken actor: " . var_export($actor, true));
throw new Exception("Received a salmon slap from unidentified actor.");
}
return Ostatus_profile::ensureActorProfile($this->act);
}
/**
* @fixme merge into Ostatus_profile::ensureActorProfile and friends
*/
function createProfile()
{
$actor = $this->act->actor;
$profile = new Profile();
$profile->nickname = $this->nicknameFromURI($actor->id);
if (empty($profile->nickname)) {
$profile->nickname = common_nicknamize($actor->title);
}
$profile->fullname = $actor->title;
$profile->bio = $actor->summary; // XXX: is that right?
$profile->profileurl = $actor->link; // XXX: is that right?
$profile->created = common_sql_now();
$id = $profile->insert();
if (empty($id)) {
common_log_db_error($profile, 'INSERT', __FILE__);
throw new Exception("Couldn't save new profile for $actor->id\n");
}
// XXX: add avatars
$op = new Ostatus_profile();
$op->profile_id = $id;
$op->homeuri = $actor->id;
$op->created = $profile->created;
// XXX: determine feed URI from source or Webfinger or whatever
$id = $op->insert();
if (empty($id)) {
common_log_db_error($op, 'INSERT', __FILE__);
throw new Exception("Couldn't save new ostatus profile for $actor->id\n");
}
return $profile;
}
/**
* @fixme should be merged into Ostatus_profile
*/
function nicknameFromURI($uri)
{
preg_match('/(\w+):/', $uri, $matches);
$protocol = $matches[1];
switch ($protocol) {
case 'acct':
case 'mailto':
if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
return common_canonical_nickname($matches[1]);
}
return null;
case 'http':
return common_url_to_nickname($uri);
break;
default:
return null;
}
}
}
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