gnu-social/plugins/TwitterBridge/TwitterBridgePlugin.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
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*
* 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>
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* @author Julien C <chaumond@gmail.com>
* @copyright 2009-2010 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
if (!defined('STATUSNET')) {
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exit(1);
}
require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
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/**
* 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>
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* @author Julien C <chaumond@gmail.com>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @link http://twitter.com/
*/
class TwitterBridgePlugin extends Plugin
{
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const VERSION = STATUSNET_VERSION;
public $adminImportControl = false; // Should the 'import' checkbox be exposed in the admin panel?
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/**
* Initializer for the plugin.
*/
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function initialize()
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{
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// Allow the key and secret to be passed in
// Control panel will override
if (isset($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
);
}
}
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}
/**
* 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;
}
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/**
* Add Twitter-related paths to the router table
*
* Hook for RouterInitialized event.
*
* @param Net_URL_Mapper $m path-to-action mapper
*
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* @return boolean hook return
*/
function onRouterInitialized($m)
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{
$m->connect('panel/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')
);
}
}
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return true;
}
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/*
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* 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;
}
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/**
* Add the Twitter Settings page to the Connect Settings menu
*
* @param Action $action The calling page
*
* @return boolean hook return
*/
function onEndConnectSettingsNav($action)
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{
if (self::hasKeys()) {
$action_name = $action->trimmed('action');
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$action->menuItem(
common_local_url('twittersettings'),
_m('Twitter'),
_m('Twitter integration options'),
$action_name === 'twittersettings'
);
}
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return true;
}
/**
* Automatically load the actions and libraries used by the Twitter bridge
*
* @param Class $cls the class
*
* @return boolean hook return
*
*/
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function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls) {
case 'TwittersettingsAction':
case 'TwitterauthorizationAction':
case 'TwitterloginAction':
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case 'TwitteradminpanelAction':
include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
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return false;
case 'TwitterOAuthClient':
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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case 'TwitterQueueHandler':
case 'TwitterImport':
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case 'JsonStreamReader':
case 'TwitterStreamReader':
include_once $dir . '/' . strtolower($cls) . '.php';
return false;
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case 'TwitterSiteStream':
case 'TwitterUserStream':
include_once $dir . '/twitterstreamreader.php';
return false;
case 'Notice_to_status':
case 'Twitter_synch_status':
include_once $dir . '/' . $cls . '.php';
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return false;
default:
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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() && $notice->inScope(null)) {
// Avoid a possible loop
if ($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()) {
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array_push(
$daemons,
INSTALLDIR
. '/plugins/TwitterBridge/daemons/synctwitterfriends.php'
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);
if (common_config('twitterimport', 'enabled')) {
array_push(
$daemons,
INSTALLDIR
. '/plugins/TwitterBridge/daemons/twitterstatusfetcher.php'
);
}
}
return true;
}
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Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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/**
* Register Twitter notice queue handler
*
* @param QueueManager $manager
*
* @return boolean hook return
*/
function onEndInitializeQueueManager($manager)
{
if (self::hasKeys()) {
// Outgoing notices -> twitter
$manager->connect('twitter', 'TwitterQueueHandler');
// Incoming statuses <- twitter
$manager->connect('tweetin', 'TweetInQueueHandler');
}
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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return true;
}
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/**
* 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(&$versions)
{
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$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 integration ' .
'of a StatusNet instance with ' .
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'<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 saving the last-synched status of various timelines
// home_timeline, messages (in), messages (out), ...
$schema->ensureTable('twitter_synch_status',
array(new ColumnDef('foreign_id', 'bigint', null,
false, 'PRI'),
new ColumnDef('timeline', 'varchar', 255,
false, 'PRI'),
new ColumnDef('last_id', 'bigint', null, // XXX: check for PostgreSQL
false),
new ColumnDef('created', 'datetime', null,
false),
new ColumnDef('modified', 'datetime', null,
false)));
// For storing user-submitted flags on profiles
$schema->ensureTable('notice_to_status',
array(new ColumnDef('notice_id', 'integer', null,
false, 'PRI'),
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new ColumnDef('status_id', 'bigint', null, // XXX: check for PostgreSQL
false, 'UNI'),
new ColumnDef('created', 'datetime', null,
false)));
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return true;
}
/**
* If a notice gets deleted, remove the Notice_to_status mapping and
* delete the status on Twitter.
*
* @param User $user The user doing the deleting
* @param Notice $notice The notice getting deleted
*
* @return boolean hook value
*/
function onStartDeleteOwnNotice(User $user, Notice $notice)
{
$n2s = Notice_to_status::staticGet('notice_id', $notice->id);
if (!empty($n2s)) {
$flink = Foreign_link::getByUserID($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;
}
try {
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->statusesDestroy($n2s->status_id);
} catch (Exception $e) {
common_log(LOG_ERR, "Error attempting to delete bridged notice from Twitter: " . $e->getMessage());
}
$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;
}
try {
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->favoritesCreate($status_id);
} catch (Exception $e) {
common_log(LOG_ERR, "Error attempting to favorite bridged notice on Twitter: " . $e->getMessage());
}
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;
}
try {
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
$client->favoritesDestroy($status_id);
} catch (Exception $e) {
common_log(LOG_ERR, "Error attempting to unfavorite bridged notice on Twitter: " . $e->getMessage());
}
return true;
}
}