341 lines
10 KiB
PHP
Executable File
341 lines
10 KiB
PHP
Executable File
#!/usr/bin/env php
|
|
<?php
|
|
/*
|
|
* Laconica - a distributed open-source microblogging tool
|
|
* Copyright (C) 2008, 2009, Control Yourself, 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/>.
|
|
*/
|
|
|
|
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
|
|
|
|
$shortoptions = 'fi::';
|
|
$longoptions = array('id::', 'foreground');
|
|
|
|
$helptext = <<<END_OF_XMPP_HELP
|
|
Daemon script for receiving new notices from Jabber users.
|
|
|
|
-i --id Identity (default none)
|
|
-f --foreground Stay in the foreground (default background)
|
|
|
|
END_OF_XMPP_HELP;
|
|
|
|
require_once INSTALLDIR.'/scripts/commandline.inc';
|
|
|
|
require_once INSTALLDIR . '/lib/common.php';
|
|
require_once INSTALLDIR . '/lib/jabber.php';
|
|
require_once INSTALLDIR . '/lib/daemon.php';
|
|
|
|
# This is kind of clunky; we create a class to call the global functions
|
|
# in jabber.php, which create a new XMPP class. A more elegant (?) solution
|
|
# might be to use make this a subclass of XMPP.
|
|
|
|
class XMPPDaemon extends Daemon
|
|
{
|
|
function XMPPDaemon($resource=null, $daemonize=true)
|
|
{
|
|
parent::__construct($daemonize);
|
|
|
|
static $attrs = array('server', 'port', 'user', 'password', 'host');
|
|
|
|
foreach ($attrs as $attr)
|
|
{
|
|
$this->$attr = common_config('xmpp', $attr);
|
|
}
|
|
|
|
if ($resource) {
|
|
$this->resource = $resource . 'daemon';
|
|
} else {
|
|
$this->resource = common_config('xmpp', 'resource') . 'daemon';
|
|
}
|
|
|
|
$this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$this->user}@{$this->server}/{$this->resource}");
|
|
}
|
|
|
|
function connect()
|
|
{
|
|
$connect_to = ($this->host) ? $this->host : $this->server;
|
|
|
|
$this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
|
|
|
|
$this->conn = jabber_connect($this->resource);
|
|
|
|
if (!$this->conn) {
|
|
return false;
|
|
}
|
|
|
|
$this->conn->setReconnectTimeout(600);
|
|
|
|
jabber_send_presence("Send me a message to post a notice", 'available',
|
|
null, 'available', 100);
|
|
return !$this->conn->isDisconnected();
|
|
}
|
|
|
|
function name()
|
|
{
|
|
return strtolower('xmppdaemon.'.$this->resource);
|
|
}
|
|
|
|
function run()
|
|
{
|
|
if ($this->connect()) {
|
|
|
|
$this->conn->addEventHandler('message', 'handle_message', $this);
|
|
$this->conn->addEventHandler('presence', 'handle_presence', $this);
|
|
$this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
|
|
|
|
$this->conn->process();
|
|
}
|
|
}
|
|
|
|
function handle_reconnect(&$pl)
|
|
{
|
|
$this->conn->processUntil('session_start');
|
|
$this->conn->presence('Send me a message to post a notice', 'available', null, 'available', 100);
|
|
}
|
|
|
|
function get_user($from)
|
|
{
|
|
$user = User::staticGet('jabber', jabber_normalize_jid($from));
|
|
return $user;
|
|
}
|
|
|
|
function handle_message(&$pl)
|
|
{
|
|
if ($pl['type'] != 'chat') {
|
|
return;
|
|
}
|
|
if (mb_strlen($pl['body']) == 0) {
|
|
return;
|
|
}
|
|
|
|
$from = jabber_normalize_jid($pl['from']);
|
|
|
|
# Forwarded from another daemon (probably a broadcaster) for
|
|
# us to handle
|
|
|
|
if ($this->is_self($from)) {
|
|
$from = $this->get_ofrom($pl);
|
|
if (is_null($from) || $this->is_self($from)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
$user = $this->get_user($from);
|
|
|
|
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, $pl['body'])) {
|
|
return;
|
|
} else if ($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 ' . $from);
|
|
return;
|
|
} else if ($this->is_direct($pl['body'])) {
|
|
preg_match_all('/d[\ ]*([a-z0-9]{1,64})/', $pl['body'], $to);
|
|
|
|
$to = preg_replace('/^d([\ ])*/', '', $to[0][0]);
|
|
$body = preg_replace('/d[\ ]*('. $to .')[\ ]*/', '', $pl['body']);
|
|
$this->add_direct($user, $body, $to, $from);
|
|
} else {
|
|
$this->add_notice($user, $pl);
|
|
}
|
|
|
|
$user->free();
|
|
unset($user);
|
|
}
|
|
|
|
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/', $txt)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function is_direct($txt)
|
|
{
|
|
if (strtolower(substr($txt, 0, 2))=='d ') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function from_site($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 (mb_strlen($content_shortened) > 140) {
|
|
$from = jabber_normalize_jid($pl['from']);
|
|
$this->from_site($from, "Message too long - maximum is 140 characters, you sent ".mb_strlen($content_shortened));
|
|
return;
|
|
}
|
|
$notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
|
|
if (is_string($notice)) {
|
|
$this->log(LOG_ERR, $notice);
|
|
return;
|
|
}
|
|
common_broadcast_notice($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;
|
|
}
|
|
}
|
|
|
|
function log($level, $msg)
|
|
{
|
|
common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
|
|
}
|
|
|
|
function subscribed($to)
|
|
{
|
|
jabber_special_presence('subscribed', $to);
|
|
}
|
|
}
|
|
|
|
// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
|
|
// lots of CPU trying to connect to unconfigured servers
|
|
if (common_config('xmpp','enabled')==false) {
|
|
print "Aborting daemon - xmpp is disabled\n";
|
|
exit();
|
|
}
|
|
|
|
if (have_option('i', 'id')) {
|
|
$id = get_option_value('i', 'id');
|
|
} else if (count($args) > 0) {
|
|
$id = $args[0];
|
|
} else {
|
|
$id = null;
|
|
}
|
|
|
|
$foreground = have_option('f', 'foreground');
|
|
|
|
$daemon = new XMPPDaemon($id, $foreground);
|
|
|
|
$daemon->runOnce();
|