gnu-social/plugins/OMB/OMBPlugin.php
2011-09-17 15:08:38 -04:00

414 lines
12 KiB
PHP

<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* OpenMicroBlogging plugin - add OpenMicroBloggin 0.1 support to
* StatusNet.
*
* Note: the OpenMicroBlogging protocol has been deprecated in favor of OStatus.
* This plugin is provided for backwards compatibility and experimentation.
*
* Please see the README and the OStatus plugin.
*
* PHP version 5
*
* 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/>.
*
* @category Sample
* @package StatusNet
* @author Zach Copley
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/');
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* OMB plugin main class
*
* @category Integration
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class OMBPlugin extends Plugin
{
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'Requesttokenaction':
case 'Accesstokenaction':
case 'Userauthorizationaction':
case 'Postnoticeaction':
case 'Updateprofileaction':
case 'Finishremotesubscribeaction':
case 'Remotesubscribeaction':
case 'XrdsAction':
include_once $dir . '/action/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
break;
case 'OmbQueueHandler':
case 'ProfileQueueHandler':
include_once $dir . '/lib/' . strtolower($cls) . '.php';
return false;
case 'OMBOAuthDataStore':
include_once $dir . '/lib/omboauthstore.php';
default:
return true;
}
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onRouterInitialized($m)
{
$bare = array(
'requesttoken',
'accesstoken',
'userauthorization',
'postnotice',
'updateprofile',
'finishremotesubscribe'
);
foreach ($bare as $action) {
$m->connect(
'index.php?action=' . $action, array('action' => $action)
);
}
// exceptional
$m->connect('main/remote', array('action' => 'remotesubscribe'));
$m->connect(
'main/remote?nickname=:nickname',
array('action' => 'remotesubscribe'),
array('nickname' => '[A-Za-z0-9_-]+')
);
$m->connect(
'xrds',
array('action' => 'xrds', 'nickname' => $nickname)
);
return true;
}
/**
* Put saved notices into the queue for OMB distribution
*
* @param Notice $notice the notice to broadcast
* @param array $transports queuehandler's list of transports
* @return boolean true if queing was successful
*/
function onStartEnqueueNotice($notice, &$transports)
{
if ($notice->isLocal()) {
if ($notice->inScope(null)) {
array_unshift($transports, 'omb');
common_log(
LOG_INFO, "Notice {$notice->id} queued for OMB processing"
);
} else {
// Note: We don't do privacy-controlled OMB updates.
common_log(
LOG_NOTICE,
"Not queueing notice {$notice->id} for OMB because of "
. "privacy; scope = {$notice->scope}",
__FILE__
);
}
} else {
common_log(
LOG_NOTICE,
"Not queueing notice {$notice->id} for OMB because it's not "
. "local.",
__FILE__
);
}
return true;
}
/**
* Set up queue handlers for outgoing OMB pushes
*
* @param QueueManager $qm
* @return boolean hook return
*/
function onEndInitializeQueueManager(QueueManager $qm)
{
// Prepare outgoing distributions after notice save.
$qm->connect('omb', 'OmbQueueHandler');
$qm->connect('profile', 'ProfileQueueHandler');
return true;
}
/**
* Return OMB remote profile, if any
*
* @param Profile $profile
* @param string $uri
* @return boolen false if there's a remote profile
*/
function onStartGetProfileUri($profile, &$uri)
{
$remote = Remote_profile::staticGet('id', $this->id);
if (!empty($remote)) {
$uri = $remote->uri;
return false;
}
return true;
}
/**
* We can't initiate subscriptions for a remote OMB profile; don't show
* subscribe button
*
* @param type $action
*/
function onStartShowProfileListSubscribeButton($action)
{
$remote = Remote_profile::staticGet('id', $action->profile->id);
if (empty($remote)) {
false;
}
return true;
}
/**
* Check for illegal subscription attempts
*
* @param User $user subscriber
* @param Profile $other subscribee
* @return hook return value
*/
function onStartSubscribe($profile, $other)
{
// OMB 0.1 doesn't have a mechanism for local-server-
// originated subscription.
$omb01 = Remote_profile::staticGet('id', $other_id);
if (!empty($omb01)) {
throw new ClientException(
// TRANS: Client error displayed trying to subscribe to an OMB 0.1 remote profile.
_m('You cannot subscribe to an OMB 0.1 '
. 'remote profile with this action.'
)
);
return false;
}
}
/**
* Throw an error if someone tries to tag a remote profile
*
* @param Profile $tagger_profile profile of the tagger
* @param Profile $tagged_profile profile of the taggee
* @param string $tag
*
* @return true
*/
function onStartTagProfile($tagger_profile, $tagged_profile, $tag)
{
// OMB 0.1 doesn't have a mechanism for local-server-
// originated tag.
$omb01 = Remote_profile::staticGet('id', $tagged_profile->id);
if (!empty($omb01)) {
$this->clientError(
// TRANS: Client error displayed when trying to add an OMB 0.1 remote profile to a list.
_m('You cannot list an OMB 0.1 '
.'remote profile with this action.')
);
}
return false;
}
/**
* Check to make sure we're not tryng to untag an OMB profile
*
* // XXX: Should this ever happen?
*
* @param Profile_tag $ptag the profile tag
*/
function onUntagProfile($ptag)
{
// OMB 0.1 doesn't have a mechanism for local-server-
// originated tag.
$omb01 = Remote_profile::staticGet('id', $ptag->tagged);
if (!empty($omb01)) {
$this->clientError(
// TRANS: Client error displayed when trying to (un)list an OMB 0.1 remote profile.
_m('You cannot (un)list an OMB 0.1 '
. 'remote profile with this action.')
);
return false;
}
}
/**
* Remove old OMB subscription tokens
*
* @param User $user subscriber
* @param Profile $other subscribee
* @return hook return value
*/
function onEndUnsubscribe($profile, $other)
{
$sub = Subscription::pkeyGet(
array('subscriber' => $subscriber->id, 'subscribed' => $other->id)
);
if (!empty($sub->token)) {
$token = new Token();
$token->tok = $sub->token;
if ($token->find(true)) {
$result = $token->delete();
if (!$result) {
common_log_db_error($token, 'DELETE', __FILE__);
throw new Exception(
// TRANS: Exception thrown when the OMB token for a subscription could not deleted on the server.
_m('Could not delete subscription OMB token.')
);
}
} else {
common_log(
LOG_ERR,
"Couldn't find credentials with token {$token->tok}",
__FILE__
);
}
}
return true;
}
/**
* Search for an OMB remote profile by URI
*
* @param string $uri remote profile URI
* @param Profile $profile the profile to set
* @return boolean hook value
*/
function onStartGetProfileFromURI($uri, &$profile)
{
$remote_profile = Remote_profile::staticGet('uri', $uri);
if (!empty($remote_profile)) {
$profile = Profile::staticGet('id', $remote_profile->profile_id);
return false;
}
return true;
}
/**
* Return OMB remote profiles as well as regular profiles
* in helper
*
* @param type $profile
* @param type $uri
*/
function onStartCommonProfileURI($profile, &$uri)
{
$remote = Remote_profile::staticGet($profile->id);
if ($remote) {
$uri = $remote->uri;
return false;
}
return true;
}
/**
* Broadcast a profile over OMB
*
* @param Profile $profile to broadcast
* @return false
*/
function onBroadcastProfile($profile) {
$qm = QueueManager::get();
$qm->enqueue($profile, "profile");
return true;
}
function onStartProfileRemoteSubscribe($out, $profile)
{
$out->elementStart('li', 'entity_subscribe');
$url = common_local_url('remotesubscribe',
array('nickname' => $this->profile->nickname));
$out->element('a', array('href' => $url,
'class' => 'entity_remote_subscribe'),
// TRANS: Link text for link that will subscribe to a remote profile.
_m('BUTTON','Subscribe'));
$out->elementEnd('li');
return false;
}
/**
* Plugin version info
*
* @param array $versions
* @return boolean hook value
*/
function onPluginVersion(&$versions)
{
$versions[] = array(
'name' => 'OpenMicroBlogging',
'version' => STATUSNET_VERSION,
'author' => 'Zach Copley',
'homepage' => 'http://status.net/wiki/Plugin:Sample',
// TRANS: Plugin description.
'rawdescription' => _m('A sample plugin to show basics of development for new hackers.')
);
return true;
}
}