257 lines
6.8 KiB
PHP
Executable File
257 lines
6.8 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, 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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# Abort if called from a web server
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if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
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print "This script must be run from the command line\n";
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exit();
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}
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define('INSTALLDIR', dirname(__FILE__));
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define('LACONICA', true);
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require_once(INSTALLDIR . '/lib/common.php');
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require_once(INSTALLDIR . '/lib/jabber.php');
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# This is kind of clunky; we create a class to call the global functions
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# in jabber.php, which create a new XMPP class. A more elegant (?) solution
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# might be to use make this a subclass of XMPP.
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class XMPPDaemon {
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function XMPPDaemon($resource=NULL) {
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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 = $resource;
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} else {
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$this->resource = common_config('xmpp', 'resource') . 'daemon';
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}
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$this->log(LOG_INFO, "{$this->user}@{$this->server}/{$this->resource}");
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}
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function connect() {
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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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return !$this->conn->disconnected;
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}
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function handle() {
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while(!$this->conn->disconnected) {
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$payloads = $this->conn->processUntil(array('message', 'presence',
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'end_stream', 'session_start'));
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foreach($payloads as $event) {
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$pl = $event[1];
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$this->log(LOG_DEBUG, "Received '$event[0]': " . print_r($pl, TRUE));
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switch($event[0]) {
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case 'message':
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$this->handle_message($pl);
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break;
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case 'presence':
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$this->handle_presence($pl);
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break;
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case 'session_start':
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$this->handle_session($pl);
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break;
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}
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}
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}
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}
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function get_user($from) {
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$user = User::staticGet('jabber', jabber_normalize_jid($from));
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return $user;
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}
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function get_confirmation($from) {
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$confirm = new Confirm_address();
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$confirm->address = $from;
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$confirm->address_type = 'jabber';
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if ($confirm->find(TRUE)) {
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return $confirm;
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} else {
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return NULL;
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}
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}
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function handle_message(&$pl) {
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if ($pl['type'] != 'chat') {
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return;
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}
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if (strlen($pl['body']) == 0) {
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return;
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}
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$from = jabber_normalize_jid($pl['from']);
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$user = $this->get_user($from);
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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, $pl['body'])) {
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return;
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} else {
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$this->add_notice($user, $pl);
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}
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}
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function from_site($address, $msg) {
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$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, $body) {
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# XXX: localise
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switch(trim($body)) {
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case 'on':
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$this->set_notify($user, true);
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$this->from_site($user->jabber, 'notifications on');
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return true;
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case 'off':
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$this->set_notify($user, false);
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$this->from_site($user->jabber, 'notifications off');
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return true;
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default:
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return false;
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}
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}
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function set_notify(&$user, $notify) {
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$orig = clone($user);
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$user->jabbernotify = $notify;
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$result = $user->update($orig);
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if (!$id) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not set notify flag to ' . $notify .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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} else {
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$this->log(LOG_INFO,
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'User ' . $user->nickname . ' set notify flag to ' . $notify);
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}
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}
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function add_notice(&$user, &$pl) {
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$notice = new Notice();
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$notice->profile_id = $user->id;
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$notice->content = trim(substr($pl['body'], 0, 140));
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$notice->created = DB_DataObject_Cast::dateTime();
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$notice->query('BEGIN');
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$id = $notice->insert();
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if (!$id) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not insert ' . common_log_objstring($notice) .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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return;
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}
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$orig = clone($notice);
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$notice->uri = common_notice_uri($notice);
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$result = $notice->update($orig);
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if (!$result) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not add URI to ' . common_log_objstring($notice) .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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return;
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}
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$notice->query('COMMIT');
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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 ' . $user->nickname);
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}
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function handle_presence(&$pl) {
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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, 'Message 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, $pl);
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}
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}
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break;
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}
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}
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function log($level, $msg) {
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common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
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}
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function subscribed($to) {
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jabber_special_presence('subscribed', $to);
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}
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function set_status($status) {
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$this->log(LOG_INFO, 'Setting status to "' . $status . '"');
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jabber_send_presence($status);
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}
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}
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$resource = ($argc > 1) ? $argv[1] : NULL;
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$daemon = new XMPPDaemon($resource);
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if ($daemon->connect()) {
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$daemon->set_status("Send me a message to post a notice");
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$daemon->handle();
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}
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?>
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