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-rw-r--r--lib/xmppmanager.php486
1 files changed, 0 insertions, 486 deletions
diff --git a/lib/xmppmanager.php b/lib/xmppmanager.php
deleted file mode 100644
index cca54db08..000000000
--- a/lib/xmppmanager.php
+++ /dev/null
@@ -1,486 +0,0 @@
-<?php
-/*
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2008, 2009, 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/>.
- */
-
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
-/**
- * XMPP background connection manager for XMPP-using queue handlers,
- * allowing them to send outgoing messages on the right connection.
- *
- * Input is handled during socket select loop, keepalive pings during idle.
- * Any incoming messages will be forwarded to the main XmppDaemon process,
- * which handles direct user interaction.
- *
- * In a multi-site queuedaemon.php run, one connection will be instantiated
- * for each site being handled by the current process that has XMPP enabled.
- */
-
-class XmppManager extends IoManager
-{
- protected $site = null;
- protected $pingid = 0;
- protected $lastping = null;
- protected $conn = null;
-
- static protected $singletons = array();
-
- const PING_INTERVAL = 120;
-
- /**
- * Fetch the singleton XmppManager for the current site.
- * @return mixed XmppManager, or false if unneeded
- */
- public static function get()
- {
- if (common_config('xmpp', 'enabled')) {
- $site = StatusNet::currentSite();
- if (empty(self::$singletons[$site])) {
- self::$singletons[$site] = new XmppManager();
- }
- return self::$singletons[$site];
- } else {
- return false;
- }
- }
-
- /**
- * Tell the i/o master we need one instance for each supporting site
- * being handled in this process.
- */
- public static function multiSite()
- {
- return IoManager::INSTANCE_PER_SITE;
- }
-
- function __construct()
- {
- $this->site = StatusNet::currentSite();
- $this->resource = common_config('xmpp', 'resource') . 'daemon';
- }
-
- /**
- * Initialize connection to server.
- * @return boolean true on success
- */
- public function start($master)
- {
- parent::start($master);
- $this->switchSite();
-
- require_once INSTALLDIR . "/lib/jabber.php";
-
- # Low priority; we don't want to receive messages
-
- common_log(LOG_INFO, "INITIALIZE");
- $this->conn = jabber_connect($this->resource);
-
- if (empty($this->conn)) {
- common_log(LOG_ERR, "Couldn't connect to server.");
- return false;
- }
-
- $this->log(LOG_DEBUG, "Initializing stanza handlers.");
-
- $this->conn->addEventHandler('message', 'handle_message', $this);
- $this->conn->addEventHandler('presence', 'handle_presence', $this);
- $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
-
- $this->conn->setReconnectTimeout(600);
- jabber_send_presence("Send me a message to post a notice", 'available', null, 'available', 100);
-
- return !is_null($this->conn);
- }
-
- /**
- * Message pump is triggered on socket input, so we only need an idle()
- * call often enough to trigger our outgoing pings.
- */
- function timeout()
- {
- return self::PING_INTERVAL;
- }
-
- /**
- * Lists the XMPP connection socket to allow i/o master to wake
- * when input comes in here as well as from the queue source.
- *
- * @return array of resources
- */
- public function getSockets()
- {
- if ($this->conn) {
- return array($this->conn->getSocket());
- } else {
- return array();
- }
- }
-
- /**
- * Process XMPP events that have come in over the wire.
- * Side effects: may switch site configuration
- * @fixme may kill process on XMPP error
- * @param resource $socket
- */
- public function handleInput($socket)
- {
- $this->switchSite();
-
- # Process the queue for as long as needed
- try {
- if ($this->conn) {
- assert($socket === $this->conn->getSocket());
-
- common_log(LOG_DEBUG, "Servicing the XMPP queue.");
- $this->stats('xmpp_process');
- $this->conn->processTime(0);
- }
- } catch (XMPPHP_Exception $e) {
- common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
- die($e->getMessage());
- }
- }
-
- /**
- * Idle processing for io manager's execution loop.
- * Send keepalive pings to server.
- *
- * Side effect: kills process on exception from XMPP library.
- *
- * @fixme non-dying error handling
- */
- public function idle($timeout=0)
- {
- if ($this->conn) {
- $now = time();
- if (empty($this->lastping) || $now - $this->lastping > self::PING_INTERVAL) {
- $this->switchSite();
- try {
- $this->sendPing();
- $this->lastping = $now;
- } catch (XMPPHP_Exception $e) {
- common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
- die($e->getMessage());
- }
- }
- }
- }
-
- /**
- * For queue handlers to pass us a message to push out,
- * if we're active.
- *
- * @fixme should this be blocking etc?
- *
- * @param string $msg XML stanza to send
- * @return boolean success
- */
- public function send($msg)
- {
- if ($this->conn && !$this->conn->isDisconnected()) {
- $bytes = $this->conn->send($msg);
- if ($bytes > 0) {
- $this->conn->processTime(0);
- return true;
- } else {
- return false;
- }
- } else {
- // Can't send right now...
- return false;
- }
- }
-
- /**
- * Send a keepalive ping to the XMPP server.
- */
- protected function sendPing()
- {
- $jid = jabber_daemon_address().'/'.$this->resource;
- $server = common_config('xmpp', 'server');
-
- if (!isset($this->pingid)) {
- $this->pingid = 0;
- } else {
- $this->pingid++;
- }
-
- common_log(LOG_DEBUG, "Sending ping #{$this->pingid}");
-
- $this->conn->send("<iq from='{$jid}' to='{$server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
- }
-
- /**
- * Callback for Jabber reconnect event
- * @param $pl
- */
- function handle_reconnect(&$pl)
- {
- common_log(LOG_NOTICE, 'XMPP reconnected');
-
- $this->conn->processUntil('session_start');
- $this->conn->presence(null, 'available', null, 'available', 100);
- }
-
-
- function get_user($from)
- {
- $user = User::staticGet('jabber', jabber_normalize_jid($from));
- return $user;
- }
-
- /**
- * XMPP callback for handling message input...
- * @param array $pl XMPP payload
- */
- function handle_message(&$pl)
- {
- $from = jabber_normalize_jid($pl['from']);
-
- if ($pl['type'] != 'chat') {
- $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from.");
- return;
- }
-
- if (mb_strlen($pl['body']) == 0) {
- $this->log(LOG_WARNING, "Ignoring message with empty body from $from.");
- return;
- }
-
- // Forwarded from another daemon for us to handle; this shouldn't
- // happen any more but we might get some legacy items.
- if ($this->is_self($from)) {
- $this->log(LOG_INFO, "Got forwarded notice from self ($from).");
- $from = $this->get_ofrom($pl);
- $this->log(LOG_INFO, "Originally sent by $from.");
- if (is_null($from) || $this->is_self($from)) {
- $this->log(LOG_INFO, "Ignoring notice originally sent by $from.");
- return;
- }
- }
-
- $user = $this->get_user($from);
-
- // For common_current_user to work
- global $_cur;
- $_cur = $user;
-
- if (!$user) {
- $this->from_site($from, 'Unknown user; go to ' .
- common_local_url('imsettings') .
- ' to add your address to your account');
- $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
- return;
- }
- if ($this->handle_command($user, $pl['body'])) {
- $this->log(LOG_INFO, "Command message by $from handled.");
- return;
- } else if ($this->is_autoreply($pl['body'])) {
- $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
- return;
- } else if ($this->is_otr($pl['body'])) {
- $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
- return;
- } else {
-
- $this->log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
-
- $this->add_notice($user, $pl);
- }
-
- $user->free();
- unset($user);
- unset($_cur);
-
- unset($pl['xml']);
- $pl['xml'] = null;
-
- $pl = null;
- unset($pl);
- }
-
-
- function is_self($from)
- {
- return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
- }
-
- function get_ofrom($pl)
- {
- $xml = $pl['xml'];
- $addresses = $xml->sub('addresses');
- if (!$addresses) {
- $this->log(LOG_WARNING, 'Forwarded message without addresses');
- return null;
- }
- $address = $addresses->sub('address');
- if (!$address) {
- $this->log(LOG_WARNING, 'Forwarded message without address');
- return null;
- }
- if (!array_key_exists('type', $address->attrs)) {
- $this->log(LOG_WARNING, 'No type for forwarded message');
- return null;
- }
- $type = $address->attrs['type'];
- if ($type != 'ofrom') {
- $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
- return null;
- }
- if (!array_key_exists('jid', $address->attrs)) {
- $this->log(LOG_WARNING, 'No jid for forwarded message');
- return null;
- }
- $jid = $address->attrs['jid'];
- if (!$jid) {
- $this->log(LOG_WARNING, 'Could not get jid from address');
- return null;
- }
- $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
- return $jid;
- }
-
- function is_autoreply($txt)
- {
- if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
- return true;
- } else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
- return true;
- } else {
- return false;
- }
- }
-
- function is_otr($txt)
- {
- if (preg_match('/^\?OTR/', $txt)) {
- return true;
- } else {
- return false;
- }
- }
-
- function from_site($address, $msg)
- {
- $text = '['.common_config('site', 'name') . '] ' . $msg;
- jabber_send_message($address, $text);
- }
-
- function handle_command($user, $body)
- {
- $inter = new CommandInterpreter();
- $cmd = $inter->handle_command($user, $body);
- if ($cmd) {
- $chan = new XMPPChannel($this->conn);
- $cmd->execute($chan);
- return true;
- } else {
- return false;
- }
- }
-
- function add_notice(&$user, &$pl)
- {
- $body = trim($pl['body']);
- $content_shortened = common_shorten_links($body);
- if (Notice::contentTooLong($content_shortened)) {
- $from = jabber_normalize_jid($pl['from']);
- $this->from_site($from, sprintf(_('Message too long - maximum is %1$d characters, you sent %2$d.'),
- Notice::maxContent(),
- mb_strlen($content_shortened)));
- return;
- }
-
- try {
- $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
- } catch (Exception $e) {
- $this->log(LOG_ERR, $e->getMessage());
- $this->from_site($user->jabber, $e->getMessage());
- return;
- }
-
- common_broadcast_notice($notice);
- $this->log(LOG_INFO,
- 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
- $notice->free();
- unset($notice);
- }
-
- function handle_presence(&$pl)
- {
- $from = jabber_normalize_jid($pl['from']);
- switch ($pl['type']) {
- case 'subscribe':
- # We let anyone subscribe
- $this->subscribed($from);
- $this->log(LOG_INFO,
- 'Accepted subscription from ' . $from);
- break;
- case 'subscribed':
- case 'unsubscribed':
- case 'unsubscribe':
- $this->log(LOG_INFO,
- 'Ignoring "' . $pl['type'] . '" from ' . $from);
- break;
- default:
- if (!$pl['type']) {
- $user = User::staticGet('jabber', $from);
- if (!$user) {
- $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
- return;
- }
- if ($user->updatefrompresence) {
- $this->log(LOG_INFO, 'Updating ' . $user->nickname .
- ' status from presence.');
- $this->add_notice($user, $pl);
- }
- $user->free();
- unset($user);
- }
- break;
- }
- unset($pl['xml']);
- $pl['xml'] = null;
-
- $pl = null;
- unset($pl);
- }
-
- function log($level, $msg)
- {
- $text = 'XMPPDaemon('.$this->resource.'): '.$msg;
- common_log($level, $text);
- }
-
- function subscribed($to)
- {
- jabber_special_presence('subscribed', $to);
- }
-
- /**
- * Make sure we're on the right site configuration
- */
- protected function switchSite()
- {
- if ($this->site != StatusNet::currentSite()) {
- common_log(LOG_DEBUG, __METHOD__ . ": switching to site $this->site");
- $this->stats('switch');
- StatusNet::switchSite($this->site);
- }
- }
-}
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