gnu-social/plugins/TwitterBridge/TwitterBridgePlugin.php
2010-09-07 04:00:59 -04:00

531 lines
15 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* PHP version 5
*
* LICENCE: 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 Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @author Julien C <chaumond@gmail.com>
* @copyright 2009-2010 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
/**
* Plugin for sending and importing Twitter statuses
*
* This class allows users to link their Twitter accounts
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @author Julien C <chaumond@gmail.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
* @link http://twitter.com/
*/
class TwitterBridgePlugin extends Plugin
{
const VERSION = STATUSNET_VERSION;
public $adminImportControl = false; // Should the 'import' checkbox be exposed in the admin panel?
/**
* Initializer for the plugin.
*/
function initialize()
{
// Allow the key and secret to be passed in
// Control panel will override
if (isset($this->consumer_key)) {
$key = common_config('twitter', 'consumer_key');
if (empty($key)) {
Config::save('twitter', 'consumer_key', $this->consumer_key);
}
}
if (isset($this->consumer_secret)) {
$secret = common_config('twitter', 'consumer_secret');
if (empty($secret)) {
Config::save(
'twitter',
'consumer_secret',
$this->consumer_secret
);
}
}
}
/**
* Check to see if there is a consumer key and secret defined
* for Twitter integration.
*
* @return boolean result
*/
static function hasKeys()
{
$ckey = common_config('twitter', 'consumer_key');
$csecret = common_config('twitter', 'consumer_secret');
if (empty($ckey) && empty($csecret)) {
$ckey = common_config('twitter', 'global_consumer_key');
$csecret = common_config('twitter', 'global_consumer_secret');
}
if (!empty($ckey) && !empty($csecret)) {
return true;
}
return false;
}
/**
* Add Twitter-related paths to the router table
*
* Hook for RouterInitialized event.
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook return
*/
function onRouterInitialized($m)
{
$m->connect('admin/twitter', array('action' => 'twitteradminpanel'));
if (self::hasKeys()) {
$m->connect(
'twitter/authorization',
array('action' => 'twitterauthorization')
);
$m->connect(
'settings/twitter', array(
'action' => 'twittersettings'
)
);
if (common_config('twitter', 'signin')) {
$m->connect(
'main/twitterlogin',
array('action' => 'twitterlogin')
);
}
}
return true;
}
/*
* Add a login tab for 'Sign in with Twitter'
*
* @param Action &action the current action
*
* @return void
*/
function onEndLoginGroupNav(&$action)
{
$action_name = $action->trimmed('action');
if (self::hasKeys() && common_config('twitter', 'signin')) {
$action->menuItem(
common_local_url('twitterlogin'),
_m('Twitter'),
_m('Login or register using Twitter'),
'twitterlogin' === $action_name
);
}
return true;
}
/**
* Add the Twitter Settings page to the Connect Settings menu
*
* @param Action &$action The calling page
*
* @return boolean hook return
*/
function onEndConnectSettingsNav(&$action)
{
if (self::hasKeys()) {
$action_name = $action->trimmed('action');
$action->menuItem(
common_local_url('twittersettings'),
_m('Twitter'),
_m('Twitter integration options'),
$action_name === 'twittersettings'
);
}
return true;
}
/**
* Automatically load the actions and libraries used by the Twitter bridge
*
* @param Class $cls the class
*
* @return boolean hook return
*
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls) {
case 'TwittersettingsAction':
case 'TwitterauthorizationAction':
case 'TwitterloginAction':
case 'TwitteradminpanelAction':
include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'TwitterOAuthClient':
case 'TwitterQueueHandler':
include_once $dir . '/' . strtolower($cls) . '.php';
return false;
case 'Notice_to_status':
include_once $dir . '/' . $cls . '.php';
return false;
default:
return true;
}
}
/**
* Add a Twitter queue item for each notice
*
* @param Notice $notice the notice
* @param array &$transports the list of transports (queues)
*
* @return boolean hook return
*/
function onStartEnqueueNotice($notice, &$transports)
{
if (self::hasKeys() && $notice->isLocal()) {
// Avoid a possible loop
if ($notice->source != 'twitter') {
array_push($transports, 'twitter');
}
}
return true;
}
/**
* Add Twitter bridge daemons to the list of daemons to start
*
* @param array $daemons the list fo daemons to run
*
* @return boolean hook return
*/
function onGetValidDaemons($daemons)
{
if (self::hasKeys()) {
array_push(
$daemons,
INSTALLDIR
. '/plugins/TwitterBridge/daemons/synctwitterfriends.php'
);
if (common_config('twitterimport', 'enabled')) {
array_push(
$daemons,
INSTALLDIR
. '/plugins/TwitterBridge/daemons/twitterstatusfetcher.php'
);
}
}
return true;
}
/**
* Register Twitter notice queue handler
*
* @param QueueManager $manager
*
* @return boolean hook return
*/
function onEndInitializeQueueManager($manager)
{
if (self::hasKeys()) {
$manager->connect('twitter', 'TwitterQueueHandler');
}
return true;
}
/**
* Add a Twitter tab to the admin panel
*
* @param Widget $nav Admin panel nav
*
* @return boolean hook value
*/
function onEndAdminPanelNav($nav)
{
if (AdminPanelAction::canAdmin('twitter')) {
$action_name = $nav->action->trimmed('action');
$nav->out->menuItem(
common_local_url('twitteradminpanel'),
_m('Twitter'),
_m('Twitter bridge configuration'),
$action_name == 'twitteradminpanel',
'nav_twitter_admin_panel'
);
}
return true;
}
/**
* Plugin version data
*
* @param array &$versions array of version blocks
*
* @return boolean hook value
*/
function onPluginVersion(&$versions)
{
$versions[] = array(
'name' => 'TwitterBridge',
'version' => self::VERSION,
'author' => 'Zach Copley, Julien C',
'homepage' => 'http://status.net/wiki/Plugin:TwitterBridge',
'rawdescription' => _m(
'The Twitter "bridge" plugin allows you to integrate ' .
'your StatusNet instance with ' .
'<a href="http://twitter.com/">Twitter</a>.'
)
);
return true;
}
/**
* Expose the adminImportControl setting to the administration panel code.
* This allows us to disable the import bridge enabling checkbox for administrators,
* since on a bulk farm site we can't yet automate the import daemon setup.
*
* @return boolean hook value;
*/
function onTwitterBridgeAdminImportControl()
{
return (bool)$this->adminImportControl;
}
/**
* When the site is set to ssl=sometimes mode, we should make sure our
* various auth-related pages are on SSL to keep things looking happy.
* Although we're not submitting passwords directly, we do link out to
* an authentication source and it's a lot happier if we've got some
* protection against MitM.
*
* @param string $action name
* @param boolean $ssl outval to force SSL
* @return mixed hook return value
*/
function onSensitiveAction($action, &$ssl)
{
$sensitive = array('twitteradminpanel',
'twittersettings',
'twitterauthorization',
'twitterlogin');
if (in_array($action, $sensitive)) {
$ssl = true;
return false;
} else {
return true;
}
}
/**
* Database schema setup
*
* We maintain a table mapping StatusNet notices to Twitter statuses
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing user-submitted flags on profiles
$schema->ensureTable('notice_to_status',
array(new ColumnDef('notice_id', 'integer', null,
false, 'PRI'),
new ColumnDef('status_id', 'bigint', null, // XXX: check for PostgreSQL
false, 'UNI'),
new ColumnDef('created', 'datetime', null,
false)));
// We update any notices that may have come in from
// Twitter that we don't have a status_id for. Note that
// this won't catch notices that originated at this StatusNet site.
$n = new Notice();
$n->query('SELECT notice.id, notice.uri ' .
'FROM notice LEFT JOIN notice_to_status ' .
'ON notice.id = notice_to_status.notice_id ' .
'WHERE notice.source = "twitter"' .
'AND notice_to_status.status_id IS NULL');
while ($n->fetch()) {
if (preg_match('#^http://twitter.com/[\w_.]+/status/(\d+)$#', $n->uri, $match)) {
$status_id = $match[1];
Notice_to_status::saveNew($n->id, $status_id);
}
}
return true;
}
/**
* If a notice gets deleted, remove the Notice_to_status mapping
*
* @param Notice $notice The notice getting deleted
*
* @return boolean hook value
*/
function onNoticeDeleteRelated($notice)
{
$n2s = Notice_to_status::staticGet('notice_id', $notice->id);
if (!empty($n2s)) {
$user = common_current_user();
if (empty($user) || $user->id != $notice->profile_id) {
$this->log(LOG_INFO, "Skipping deleting notice for {$notice->id} since it doesn't seem to be by the author.");
return true;
}
$flink = Foreign_link::getByUserID($notice->profile_id,
TWITTER_SERVICE); // twitter service
if (empty($flink)) {
return true;
}
if (!TwitterOAuthClient::isPackedToken($flink->credentials)) {
$this->log(LOG_INFO, "Skipping deleting notice for {$notice->id} since link is not OAuth.");
return true;
}
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->statusesDestroy($n2s->status_id);
$n2s->delete();
}
return true;
}
/**
* 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)
{
$flink = Foreign_link::getByUserID($profile->id,
TWITTER_SERVICE); // twitter service
if (empty($flink)) {
return true;
}
if (!TwitterOAuthClient::isPackedToken($flink->credentials)) {
$this->log(LOG_INFO, "Skipping fave processing for {$profile->id} since link is not OAuth.");
return true;
}
$status_id = twitter_status_id($notice);
if (empty($status_id)) {
return true;
}
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->favoritesCreate($status_id);
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)
{
$flink = Foreign_link::getByUserID($profile->id,
TWITTER_SERVICE); // twitter service
if (empty($flink)) {
return true;
}
if (!TwitterOAuthClient::isPackedToken($flink->credentials)) {
$this->log(LOG_INFO, "Skipping fave processing for {$profile->id} since link is not OAuth.");
return true;
}
$status_id = twitter_status_id($notice);
if (empty($status_id)) {
return true;
}
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->favoritesDestroy($status_id);
return true;
}
}