280 lines
8.6 KiB
PHP
280 lines
8.6 KiB
PHP
<?php
|
|
/*
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2008, 2009, StatusNet, 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/>.
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
|
|
|
|
/**
|
|
* XMPP background connection manager for XMPP-using queue handlers,
|
|
* allowing them to send outgoing messages on the right connection.
|
|
*
|
|
* Input is handled during socket select loop, keepalive pings during idle.
|
|
* Any incoming messages will be handled.
|
|
*
|
|
* In a multi-site queuedaemon.php run, one connection will be instantiated
|
|
* for each site being handled by the current process that has XMPP enabled.
|
|
*/
|
|
class XmppManager extends ImManager
|
|
{
|
|
protected $lastping = null;
|
|
protected $pingid = null;
|
|
|
|
public $conn = null;
|
|
|
|
const PING_INTERVAL = 120;
|
|
|
|
/**
|
|
* Initialize connection to server.
|
|
* @return boolean true on success
|
|
*/
|
|
public function start($master)
|
|
{
|
|
if(parent::start($master))
|
|
{
|
|
$this->connect();
|
|
return true;
|
|
}else{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function send_raw_message($data)
|
|
{
|
|
$this->connect();
|
|
if (!$this->conn || $this->conn->isDisconnected()) {
|
|
return false;
|
|
}
|
|
$this->conn->send($data);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Message pump is triggered on socket input, so we only need an idle()
|
|
* call often enough to trigger our outgoing pings.
|
|
*/
|
|
function timeout()
|
|
{
|
|
return self::PING_INTERVAL;
|
|
}
|
|
|
|
/**
|
|
* Process XMPP events that have come in over the wire.
|
|
* @fixme may kill process on XMPP error
|
|
* @param resource $socket
|
|
*/
|
|
public function handleInput($socket)
|
|
{
|
|
// Process the queue for as long as needed
|
|
try {
|
|
common_log(LOG_DEBUG, "Servicing the XMPP queue.");
|
|
$this->stats('xmpp_process');
|
|
$this->conn->processTime(0);
|
|
} catch (XMPPHP_Exception $e) {
|
|
common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
|
|
die($e->getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Lists the IM connection socket to allow i/o master to wake
|
|
* when input comes in here as well as from the queue source.
|
|
*
|
|
* @return array of resources
|
|
*/
|
|
public function getSockets()
|
|
{
|
|
$this->connect();
|
|
if($this->conn){
|
|
return array($this->conn->getSocket());
|
|
}else{
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Idle processing for io manager's execution loop.
|
|
* Send keepalive pings to server.
|
|
*
|
|
* Side effect: kills process on exception from XMPP library.
|
|
*
|
|
* @todo FIXME: non-dying error handling
|
|
*/
|
|
public function idle($timeout=0)
|
|
{
|
|
$now = time();
|
|
if (empty($this->lastping) || $now - $this->lastping > self::PING_INTERVAL) {
|
|
try {
|
|
$this->send_ping();
|
|
} catch (XMPPHP_Exception $e) {
|
|
common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
|
|
die($e->getMessage());
|
|
}
|
|
}
|
|
}
|
|
|
|
function connect()
|
|
{
|
|
if (!$this->conn || $this->conn->isDisconnected()) {
|
|
$resource = 'queue' . posix_getpid();
|
|
$this->conn = new Sharing_XMPP($this->plugin->host ?
|
|
$this->plugin->host :
|
|
$this->plugin->server,
|
|
$this->plugin->port,
|
|
$this->plugin->user,
|
|
$this->plugin->password,
|
|
$this->plugin->resource,
|
|
$this->plugin->server,
|
|
$this->plugin->debug ?
|
|
true : false,
|
|
$this->plugin->debug ?
|
|
XMPPHP_Log::LEVEL_VERBOSE : null
|
|
);
|
|
|
|
if (!$this->conn) {
|
|
return false;
|
|
}
|
|
$this->conn->addEventHandler('message', 'handle_xmpp_message', $this);
|
|
$this->conn->addEventHandler('reconnect', 'handle_xmpp_reconnect', $this);
|
|
$this->conn->setReconnectTimeout(600);
|
|
|
|
$this->conn->autoSubscribe();
|
|
$this->conn->useEncryption($this->plugin->encryption);
|
|
|
|
try {
|
|
$this->conn->connect(true); // true = persistent connection
|
|
} catch (XMPPHP_Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
return false;
|
|
}
|
|
|
|
$this->conn->processUntil('session_start');
|
|
// TRANS: Presence announcement for XMPP.
|
|
$this->send_presence(_m('Send me a message to post a notice'), 'available', null, 'available', 100);
|
|
}
|
|
return $this->conn;
|
|
}
|
|
|
|
function send_ping()
|
|
{
|
|
$this->connect();
|
|
if (!$this->conn || $this->conn->isDisconnected()) {
|
|
return false;
|
|
}
|
|
$now = time();
|
|
if (!isset($this->pingid)) {
|
|
$this->pingid = 0;
|
|
} else {
|
|
$this->pingid++;
|
|
}
|
|
|
|
common_log(LOG_DEBUG, "Sending ping #{$this->pingid}");
|
|
$this->conn->send("<iq from='{" . $this->plugin->daemonScreenname() . "}' to='{$this->plugin->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
|
|
$this->lastping = $now;
|
|
return true;
|
|
}
|
|
|
|
function handle_xmpp_message(&$pl)
|
|
{
|
|
$this->plugin->enqueueIncomingRaw($pl);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Callback for Jabber reconnect event
|
|
* @param $pl
|
|
*/
|
|
function handle_xmpp_reconnect(&$pl)
|
|
{
|
|
common_log(LOG_NOTICE, 'XMPP reconnected');
|
|
|
|
$this->conn->processUntil('session_start');
|
|
// TRANS: Message for XMPP reconnect.
|
|
$this->send_presence(_m('Send me a message to post a notice'), 'available', null, 'available', 100);
|
|
}
|
|
|
|
/**
|
|
* sends a presence stanza on the XMPP network
|
|
*
|
|
* @param string $status current status, free-form string
|
|
* @param string $show structured status value
|
|
* @param string $to recipient of presence, null for general
|
|
* @param string $type type of status message, related to $show
|
|
* @param int $priority priority of the presence
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
|
|
function send_presence($status, $show='available', $to=null,
|
|
$type = 'available', $priority=null)
|
|
{
|
|
$this->connect();
|
|
if (!$this->conn || $this->conn->isDisconnected()) {
|
|
return false;
|
|
}
|
|
$this->conn->presence($status, $show, $to, $type, $priority);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* sends a "special" presence stanza on the XMPP network
|
|
*
|
|
* @param string $type Type of presence
|
|
* @param string $to JID to send presence to
|
|
* @param string $show show value for presence
|
|
* @param string $status status value for presence
|
|
*
|
|
* @return boolean success flag
|
|
*
|
|
* @see send_presence()
|
|
*/
|
|
|
|
function special_presence($type, $to=null, $show=null, $status=null)
|
|
{
|
|
// FIXME: why use this instead of send_presence()?
|
|
$this->connect();
|
|
if (!$this->conn || $this->conn->isDisconnected()) {
|
|
return false;
|
|
}
|
|
|
|
$to = htmlspecialchars($to);
|
|
$status = htmlspecialchars($status);
|
|
|
|
$out = "<presence";
|
|
if ($to) {
|
|
$out .= " to='$to'";
|
|
}
|
|
if ($type) {
|
|
$out .= " type='$type'";
|
|
}
|
|
if ($show == 'available' and !$status) {
|
|
$out .= "/>";
|
|
} else {
|
|
$out .= ">";
|
|
if ($show && ($show != 'available')) {
|
|
$out .= "<show>$show</show>";
|
|
}
|
|
if ($status) {
|
|
$out .= "<status>$status</status>";
|
|
}
|
|
$out .= "</presence>";
|
|
}
|
|
$this->conn->send($out);
|
|
return true;
|
|
}
|
|
}
|