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#!/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/queuehandler.php');
set_error_handler('common_error_handler');
define('CLAIM_TIMEOUT', 1200);
class XmppConfirmHandler {
var $_id = 'confirm';
function XmppConfirmHandler($id=NULL) {
if ($id) {
$this->_id = $id;
}
}
function start() {
# Low priority; we don't want to receive messages
$this->conn = jabber_connect($this->_id, NULL, -1);
$this->conn->addEventHandler('message', 'forward_message', $this);
return !is_null($this->conn);
}
function handle_queue() {
$this->log(LOG_INFO, 'checking for queued confirmations');
do {
$confirm = $this->next_confirm();
if ($confirm) {
$this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
$user = User::staticGet($confirm->user_id);
if (!$user) {
$this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
continue;
}
$success = jabber_confirm_address($confirm->code,
$user->nickname,
$confirm->address);
if (!$success) {
$this->log(LOG_ERR, 'Confirmation failed for ' . $confirm->address);
# Just let the claim age out; hopefully things work then
continue;
} else {
$this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
# Mark confirmation sent
$original = clone($confirm);
$confirm->sent = $confirm->claimed;
$result = $confirm->update($original);
if (!$result) {
$this->log(LOG_ERR, 'Cannot mark sent for ' . $confirm->address);
# Just let the claim age out; hopefully things work then
continue;
}
}
$this->idle();
} else {
# $this->clear_old_confirm_claims();
$start = microtime();
$this->idle();
$used = microtime() - $start;
if ($used < 10000000) {
usleep(10000000 - $used);
}
sleep(10);
}
} while (true);
}
function next_confirm() {
$confirm = new Confirm_address();
$confirm->whereAdd('claimed IS NULL');
$confirm->whereAdd('sent IS NULL');
# XXX: eventually we could do other confirmations in the queue, too
$confirm->address_type = 'jabber';
$confirm->orderBy('modified DESC');
$confirm->limit(1);
if ($confirm->find(TRUE)) {
$this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
# working around some weird DB_DataObject behaviour
$confirm->whereAdd(''); # clears where stuff
$original = clone($confirm);
$confirm->claimed = common_sql_now();
$result = $confirm->update($original);
if ($result) {
$this->log(LOG_INFO, 'Succeeded in claim! '. $result);
return $confirm;
} else {
$this->log(LOG_INFO, 'Failed in claim!');
return false;
}
}
return NULL;
}
function clear_old_confirm_claims() {
$confirm = new Confirm();
$confirm->claimed = NULL;
$confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
$confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
}
function log($level, $msg) {
common_log($level, 'XmppConfirmHandler ('. $this->_id .'): '.$msg);
}
function idle() {
$this->log(LOG_DEBUG, 'Checking the incoming message queue.');
# Process the queue for a second
if ($this->conn->readyToProcess()) {
$this->log(LOG_DEBUG, 'Something in the incoming message queue; processing it.');
$this->conn->processTime(1);
$this->log(LOG_DEBUG, 'Done processing incoming message queue.');
} else {
$this->log(LOG_DEBUG, 'Nothing in the incoming message queue; skipping it.');
}
}
function forward_message(&$pl) {
if ($pl['type'] != 'chat') {
$this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
return;
}
$listener = $this->listener();
if (strtolower($listener) == strtolower($pl['from'])) {
$this->log(LOG_WARNING, 'Ignoring loop message.');
return;
}
$this->log(LOG_INFO, 'Forwarding message from ' . $pl['from'] . ' to ' . $listener);
$this->conn->message($this->listener(), $pl['body'], 'chat', NULL, $this->ofrom($pl['from']));
}
function ofrom($from) {
$address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
$address .= "<address type='ofrom' jid='$from' />\n";
$address .= "</addresses>\n";
return $address;
}
function listener() {
if (common_config('xmpp', 'listener')) {
return common_config('xmpp', 'listener');
} else {
return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
}
}
}
mb_internal_encoding('UTF-8');
$resource = ($argc > 1) ? $argv[1] : (common_config('xmpp', 'resource').'-confirm');
$handler = new XmppConfirmHandler($resource);
if ($handler->start()) {
$handler->handle_queue();
}
$handler->finish();
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