a6d4adc398
This reverts commit aeca8807db.
We specifically DON'T have closing tags so we don't get errors with
whitespace after the closing tag.
I realize this is less of an issue with scripts, but we should still
not use closing tags.
415 lines
12 KiB
PHP
Executable File
415 lines
12 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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$shortoptions = 'fi::';
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$longoptions = array('id::', 'foreground');
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$helptext = <<<END_OF_XMPP_HELP
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Daemon script for receiving new notices from Jabber users.
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-i --id Identity (default none)
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-f --foreground Stay in the foreground (default background)
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END_OF_XMPP_HELP;
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require_once INSTALLDIR.'/scripts/commandline.inc';
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require_once INSTALLDIR . '/lib/common.php';
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require_once INSTALLDIR . '/lib/jabber.php';
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require_once INSTALLDIR . '/lib/daemon.php';
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# This is kind of clunky; we create a class to call the global functions
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# in jabber.php, which create a new XMPP class. A more elegant (?) solution
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# might be to use make this a subclass of XMPP.
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class XMPPDaemon extends Daemon
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{
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function __construct($resource=null, $daemonize=true)
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{
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parent::__construct($daemonize);
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static $attrs = array('server', 'port', 'user', 'password', 'host');
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foreach ($attrs as $attr)
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{
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$this->$attr = common_config('xmpp', $attr);
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}
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if ($resource) {
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$this->resource = $resource . 'daemon';
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} else {
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$this->resource = common_config('xmpp', 'resource') . 'daemon';
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}
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$this->jid = $this->user.'@'.$this->server.'/'.$this->resource;
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$this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$this->jid}");
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}
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function connect()
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{
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$connect_to = ($this->host) ? $this->host : $this->server;
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$this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
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$this->conn = jabber_connect($this->resource);
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if (!$this->conn) {
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return false;
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}
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$this->log(LOG_INFO, "Connected");
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$this->conn->setReconnectTimeout(600);
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$this->log(LOG_INFO, "Sending initial presence.");
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jabber_send_presence("Send me a message to post a notice", 'available',
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null, 'available', 100);
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$this->log(LOG_INFO, "Done connecting.");
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return !$this->conn->isDisconnected();
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}
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function name()
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{
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return strtolower('xmppdaemon.'.$this->resource);
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}
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function run()
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{
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if ($this->connect()) {
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$this->log(LOG_DEBUG, "Initializing stanza handlers.");
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$this->conn->addEventHandler('message', 'handle_message', $this);
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$this->conn->addEventHandler('presence', 'handle_presence', $this);
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$this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
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$this->log(LOG_DEBUG, "Beginning processing loop.");
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while ($this->conn->processTime(60)) {
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$this->sendPing();
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}
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}
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}
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function sendPing()
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{
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if (!isset($this->pingid)) {
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$this->pingid = 0;
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} else {
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$this->pingid++;
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}
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$this->log(LOG_DEBUG, "Sending ping #{$this->pingid}");
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$this->conn->send("<iq from='{$this->jid}' to='{$this->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
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}
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function handle_reconnect(&$pl)
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{
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$this->log(LOG_DEBUG, "Got reconnection callback.");
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$this->conn->processUntil('session_start');
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$this->log(LOG_DEBUG, "Sending reconnection presence.");
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$this->conn->presence('Send me a message to post a notice', 'available', null, 'available', 100);
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unset($pl['xml']);
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$pl['xml'] = null;
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$pl = null;
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unset($pl);
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}
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function get_user($from)
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{
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$user = User::staticGet('jabber', jabber_normalize_jid($from));
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return $user;
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}
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function handle_message(&$pl)
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{
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$from = jabber_normalize_jid($pl['from']);
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if ($pl['type'] != 'chat') {
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$this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from.");
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return;
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}
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if (mb_strlen($pl['body']) == 0) {
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$this->log(LOG_WARNING, "Ignoring message with empty body from $from.");
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return;
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}
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# Forwarded from another daemon (probably a broadcaster) for
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# us to handle
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if ($this->is_self($from)) {
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$this->log(LOG_INFO, "Got forwarded notice from self ($from).");
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$from = $this->get_ofrom($pl);
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$this->log(LOG_INFO, "Originally sent by $from.");
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if (is_null($from) || $this->is_self($from)) {
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$this->log(LOG_INFO, "Ignoring notice originally sent by $from.");
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return;
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}
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}
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$user = $this->get_user($from);
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// For common_current_user to work
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global $_cur;
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$_cur = $user;
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if (!$user) {
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$this->from_site($from, 'Unknown user; go to ' .
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common_local_url('imsettings') .
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' to add your address to your account');
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$this->log(LOG_WARNING, 'Message from unknown user ' . $from);
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return;
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}
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if ($this->handle_command($user, $pl['body'])) {
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$this->log(LOG_INFO, "Command messag by $from handled.");
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return;
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} else if ($this->is_autoreply($pl['body'])) {
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$this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
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return;
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} else if ($this->is_otr($pl['body'])) {
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$this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
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return;
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} else if ($this->is_direct($pl['body'])) {
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$this->log(LOG_INFO, 'Got a direct message ' . $from);
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preg_match_all('/d[\ ]*([a-z0-9]{1,64})/', $pl['body'], $to);
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$to = preg_replace('/^d([\ ])*/', '', $to[0][0]);
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$body = preg_replace('/d[\ ]*('. $to .')[\ ]*/', '', $pl['body']);
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$this->log(LOG_INFO, 'Direct message from '. $user->nickname . ' to ' . $to);
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$this->add_direct($user, $body, $to, $from);
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} else {
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$this->log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
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$this->add_notice($user, $pl);
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}
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$user->free();
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unset($user);
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unset($_cur);
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unset($pl['xml']);
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$pl['xml'] = null;
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$pl = null;
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unset($pl);
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}
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function is_self($from)
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{
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return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
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}
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function get_ofrom($pl)
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{
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$xml = $pl['xml'];
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$addresses = $xml->sub('addresses');
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if (!$addresses) {
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$this->log(LOG_WARNING, 'Forwarded message without addresses');
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return null;
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}
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$address = $addresses->sub('address');
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if (!$address) {
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$this->log(LOG_WARNING, 'Forwarded message without address');
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return null;
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}
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if (!array_key_exists('type', $address->attrs)) {
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$this->log(LOG_WARNING, 'No type for forwarded message');
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return null;
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}
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$type = $address->attrs['type'];
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if ($type != 'ofrom') {
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$this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
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return null;
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}
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if (!array_key_exists('jid', $address->attrs)) {
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$this->log(LOG_WARNING, 'No jid for forwarded message');
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return null;
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}
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$jid = $address->attrs['jid'];
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if (!$jid) {
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$this->log(LOG_WARNING, 'Could not get jid from address');
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return null;
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}
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$this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
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return $jid;
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}
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function is_autoreply($txt)
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{
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if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
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return true;
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} else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
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return true;
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} else {
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return false;
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}
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}
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function is_otr($txt)
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{
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if (preg_match('/^\?OTR/', $txt)) {
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return true;
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} else {
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return false;
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}
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}
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function is_direct($txt)
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{
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if (strtolower(substr($txt, 0, 2))=='d ') {
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return true;
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} else {
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return false;
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}
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}
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function from_site($address, $msg)
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{
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$text = '['.common_config('site', 'name') . '] ' . $msg;
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jabber_send_message($address, $text);
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}
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function handle_command($user, $body)
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{
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$inter = new CommandInterpreter();
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$cmd = $inter->handle_command($user, $body);
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if ($cmd) {
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$chan = new XMPPChannel($this->conn);
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$cmd->execute($chan);
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return true;
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} else {
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return false;
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}
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}
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function add_notice(&$user, &$pl)
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{
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$body = trim($pl['body']);
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$content_shortened = common_shorten_links($body);
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if (mb_strlen($content_shortened) > 140) {
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$from = jabber_normalize_jid($pl['from']);
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$this->from_site($from, "Message too long - maximum is 140 characters, you sent ".mb_strlen($content_shortened));
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return;
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}
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$notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
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if (is_string($notice)) {
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$this->log(LOG_ERR, $notice);
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$this->from_site($user->jabber, $notice);
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return;
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}
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common_broadcast_notice($notice);
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$this->log(LOG_INFO,
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'Added notice ' . $notice->id . ' from user ' . $user->nickname);
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$notice->free();
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unset($notice);
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}
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function handle_presence(&$pl)
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{
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$from = jabber_normalize_jid($pl['from']);
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switch ($pl['type']) {
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case 'subscribe':
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# We let anyone subscribe
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$this->subscribed($from);
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$this->log(LOG_INFO,
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'Accepted subscription from ' . $from);
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break;
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case 'subscribed':
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case 'unsubscribed':
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case 'unsubscribe':
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$this->log(LOG_INFO,
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'Ignoring "' . $pl['type'] . '" from ' . $from);
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break;
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default:
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if (!$pl['type']) {
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$user = User::staticGet('jabber', $from);
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if (!$user) {
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$this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
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return;
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}
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if ($user->updatefrompresence) {
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$this->log(LOG_INFO, 'Updating ' . $user->nickname .
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' status from presence.');
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$this->add_notice($user, $pl);
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}
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$user->free();
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unset($user);
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}
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break;
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}
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unset($pl['xml']);
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$pl['xml'] = null;
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$pl = null;
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unset($pl);
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}
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function log($level, $msg)
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{
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$text = 'XMPPDaemon('.$this->resource.'): '.$msg;
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common_log($level, $text);
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if (!$this->daemonize)
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{
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$line = common_log_line($level, $text);
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echo $line;
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echo "\n";
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}
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}
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function subscribed($to)
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{
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jabber_special_presence('subscribed', $to);
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}
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}
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// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
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// lots of CPU trying to connect to unconfigured servers
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if (common_config('xmpp','enabled')==false) {
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print "Aborting daemon - xmpp is disabled\n";
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exit();
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}
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if (have_option('i', 'id')) {
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$id = get_option_value('i', 'id');
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} else if (count($args) > 0) {
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$id = $args[0];
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} else {
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$id = null;
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}
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$foreground = have_option('f', 'foreground');
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$daemon = new XMPPDaemon($id, !$foreground);
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$daemon->runOnce();
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