diff options
author | Evan Prodromou <evan@prodromou.name> | 2008-05-06 11:17:29 -0400 |
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committer | Evan Prodromou <evan@prodromou.name> | 2008-05-06 11:17:29 -0400 |
commit | 1d4f1f6bf6bd8313cbb51dbf61d675408171d1b8 (patch) | |
tree | 8c622e1c4c1cbfc78abe335c1a153e354f29eee4 /_darcs/pristine/scripts/xmppdaemon.php | |
parent | d4fd1c505e14bdef4945e51d4f46a949d3abfb98 (diff) |
add standard directories
Added some of the standard directories
darcs-hash:20080506151729-84dde-563da8505e06a7302041c93ab157ced31165876c.gz
Diffstat (limited to '_darcs/pristine/scripts/xmppdaemon.php')
-rw-r--r-- | _darcs/pristine/scripts/xmppdaemon.php | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/_darcs/pristine/scripts/xmppdaemon.php b/_darcs/pristine/scripts/xmppdaemon.php new file mode 100644 index 000000000..9a60970a6 --- /dev/null +++ b/_darcs/pristine/scripts/xmppdaemon.php @@ -0,0 +1,312 @@ +#!/usr/bin/env php +<?php +/* + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, Controlez-Vous, 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/>. + */ + +# Abort if called from a web server +if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) { + print "This script must be run from the command line\n"; + exit(); +} + +define('INSTALLDIR', realpath(dirname(__FILE__) . '/..')); +define('LACONICA', true); + +require_once(INSTALLDIR . '/lib/common.php'); +require_once(INSTALLDIR . '/lib/jabber.php'); +require_once(INSTALLDIR . '/lib/daemon.php'); + +set_error_handler('common_error_handler'); + +# This is kind of clunky; we create a class to call the global functions +# in jabber.php, which create a new XMPP class. A more elegant (?) solution +# might be to use make this a subclass of XMPP. + +class XMPPDaemon extends Daemon { + + function XMPPDaemon($resource=NULL) { + static $attrs = array('server', 'port', 'user', 'password', 'host'); + + foreach ($attrs as $attr) + { + $this->$attr = common_config('xmpp', $attr); + } + + if ($resource) { + $this->resource = $resource; + } 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 { + $len = mb_strlen($pl['body']); + if($len > 140) { + $this->from_site($from, 'Message too long - maximum is 140 characters, you sent ' . $len); + return; + } + $this->add_notice($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)[\]\)]/', $txt)) { + return true; + } else { + return false; + } + } + + function is_otr($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']); + $content_shortened = common_shorten_link($body); + if (mb_strlen($content_shortened) > 140) { + $content = trim(mb_substr($body, 0, 140)); + $content_shortened = common_shorten_link($content); + } + else { + $content = $body; + } + $notice = Notice::saveNew($user->id, $content, 'xmpp'); + if (is_string($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', $to); + } +} + +ini_set("max_execution_time", "0"); +ini_set("max_input_time", "0"); +set_time_limit(0); +mb_internal_encoding('UTF-8'); + +$resource = ($argc > 1) ? $argv[1] : (common_config('xmpp','resource') . '-listen'); + +$daemon = new XMPPDaemon($resource); + +$daemon->runOnce(); |