485 lines
14 KiB
PHP
485 lines
14 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* utility functions for Jabber/GTalk/XMPP messages
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: 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/>.
|
|
*
|
|
* @category Network
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2008 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) {
|
|
exit(1);
|
|
}
|
|
|
|
require_once 'XMPPHP/XMPP.php';
|
|
|
|
/**
|
|
* checks whether a string is a syntactically valid Jabber ID (JID)
|
|
*
|
|
* @param string $jid string to check
|
|
*
|
|
* @return boolean whether the string is a valid JID
|
|
*/
|
|
|
|
function jabber_valid_base_jid($jid)
|
|
{
|
|
// Cheap but effective
|
|
return Validate::email($jid);
|
|
}
|
|
|
|
/**
|
|
* normalizes a Jabber ID for comparison
|
|
*
|
|
* @param string $jid JID to check
|
|
*
|
|
* @return string an equivalent JID in normalized (lowercase) form
|
|
*/
|
|
|
|
function jabber_normalize_jid($jid)
|
|
{
|
|
if (preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches)) {
|
|
$node = $matches[1];
|
|
$server = $matches[2];
|
|
return strtolower($node.'@'.$server);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* the JID of the Jabber daemon for this StatusNet instance
|
|
*
|
|
* @return string JID of the Jabber daemon
|
|
*/
|
|
|
|
function jabber_daemon_address()
|
|
{
|
|
return common_config('xmpp', 'user') . '@' . common_config('xmpp', 'server');
|
|
}
|
|
|
|
class Sharing_XMPP extends XMPPHP_XMPP
|
|
{
|
|
function getSocket()
|
|
{
|
|
return $this->socket;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* connect the configured Jabber account to the configured server
|
|
*
|
|
* @param string $resource Resource to connect (defaults to configured resource)
|
|
*
|
|
* @return XMPPHP connection to the configured server
|
|
*/
|
|
|
|
function jabber_connect($resource=null)
|
|
{
|
|
static $conn = null;
|
|
if (!$conn) {
|
|
$conn = new Sharing_XMPP(common_config('xmpp', 'host') ?
|
|
common_config('xmpp', 'host') :
|
|
common_config('xmpp', 'server'),
|
|
common_config('xmpp', 'port'),
|
|
common_config('xmpp', 'user'),
|
|
common_config('xmpp', 'password'),
|
|
($resource) ? $resource :
|
|
common_config('xmpp', 'resource'),
|
|
common_config('xmpp', 'server'),
|
|
common_config('xmpp', 'debug') ?
|
|
true : false,
|
|
common_config('xmpp', 'debug') ?
|
|
XMPPHP_Log::LEVEL_VERBOSE : null
|
|
);
|
|
|
|
if (!$conn) {
|
|
return false;
|
|
}
|
|
|
|
$conn->autoSubscribe();
|
|
$conn->useEncryption(common_config('xmpp', 'encryption'));
|
|
|
|
try {
|
|
$conn->connect(true); // true = persistent connection
|
|
} catch (XMPPHP_Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
return false;
|
|
}
|
|
|
|
$conn->processUntil('session_start');
|
|
}
|
|
return $conn;
|
|
}
|
|
|
|
/**
|
|
* send a single notice to a given Jabber address
|
|
*
|
|
* @param string $to JID to send the notice to
|
|
* @param Notice $notice notice to send
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
|
|
function jabber_send_notice($to, $notice)
|
|
{
|
|
$conn = jabber_connect();
|
|
if (!$conn) {
|
|
return false;
|
|
}
|
|
$profile = Profile::staticGet($notice->profile_id);
|
|
if (!$profile) {
|
|
common_log(LOG_WARNING, 'Refusing to send notice with ' .
|
|
'unknown profile ' . common_log_objstring($notice),
|
|
__FILE__);
|
|
return false;
|
|
}
|
|
$msg = jabber_format_notice($profile, $notice);
|
|
$entry = jabber_format_entry($profile, $notice);
|
|
$conn->message($to, $msg, 'chat', null, $entry);
|
|
$profile->free();
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* extra information for XMPP messages, as defined by Twitter
|
|
*
|
|
* @param Profile $profile Profile of the sending user
|
|
* @param Notice $notice Notice being sent
|
|
*
|
|
* @return string Extra information (Atom, HTML, addresses) in string format
|
|
*/
|
|
|
|
function jabber_format_entry($profile, $notice)
|
|
{
|
|
$entry = $notice->asAtomEntry(true, true);
|
|
|
|
$xs = new XMLStringer();
|
|
$xs->elementStart('html', array('xmlns' => 'http://jabber.org/protocol/xhtml-im'));
|
|
$xs->elementStart('body', array('xmlns' => 'http://www.w3.org/1999/xhtml'));
|
|
$xs->element('a', array('href' => $profile->profileurl),
|
|
$profile->nickname);
|
|
$xs->text(": ");
|
|
if (!empty($notice->rendered)) {
|
|
$xs->raw($notice->rendered);
|
|
} else {
|
|
$xs->raw(common_render_content($notice->content, $notice));
|
|
}
|
|
$xs->text(" ");
|
|
$xs->element('a', array(
|
|
'href'=>common_local_url('conversation',
|
|
array('id' => $notice->conversation)).'#notice-'.$notice->id
|
|
),sprintf(_('[%s]'),$notice->id));
|
|
$xs->elementEnd('body');
|
|
$xs->elementEnd('html');
|
|
|
|
$html = $xs->getString();
|
|
|
|
return $html . ' ' . $entry;
|
|
}
|
|
|
|
/**
|
|
* sends a single text message to a given JID
|
|
*
|
|
* @param string $to JID to send the message to
|
|
* @param string $body body of the message
|
|
* @param string $type type of the message
|
|
* @param string $subject subject of the message
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function jabber_send_message($to, $body, $type='chat', $subject=null)
|
|
{
|
|
$conn = jabber_connect();
|
|
if (!$conn) {
|
|
return false;
|
|
}
|
|
$conn->message($to, $body, $type, $subject);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* sends a presence stanza on the Jabber 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 $priority priority of the presence
|
|
*
|
|
* @return boolean success value
|
|
*/
|
|
|
|
function jabber_send_presence($status, $show='available', $to=null,
|
|
$type = 'available', $priority=null)
|
|
{
|
|
$conn = jabber_connect();
|
|
if (!$conn) {
|
|
return false;
|
|
}
|
|
$conn->presence($status, $show, $to, $type, $priority);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* sends a confirmation request to a JID
|
|
*
|
|
* @param string $code confirmation code for confirmation URL
|
|
* @param string $nickname nickname of confirming user
|
|
* @param string $address JID to send confirmation to
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function jabber_confirm_address($code, $nickname, $address)
|
|
{
|
|
$body = 'User "' . $nickname . '" on ' . common_config('site', 'name') . ' ' .
|
|
'has said that your Jabber ID belongs to them. ' .
|
|
'If that\'s true, you can confirm by clicking on this URL: ' .
|
|
common_local_url('confirmaddress', array('code' => $code)) .
|
|
' . (If you cannot click it, copy-and-paste it into the ' .
|
|
'address bar of your browser). If that user isn\'t you, ' .
|
|
'or if you didn\'t request this confirmation, just ignore this message.';
|
|
|
|
return jabber_send_message($address, $body);
|
|
}
|
|
|
|
/**
|
|
* sends a "special" presence stanza on the Jabber network
|
|
*
|
|
* @param string $type Type of presence
|
|
* @param string $to JID to send presence to
|
|
* @param string $show show value for presence
|
|
* @param string $status status value for presence
|
|
*
|
|
* @return boolean success flag
|
|
*
|
|
* @see jabber_send_presence()
|
|
*/
|
|
|
|
function jabber_special_presence($type, $to=null, $show=null, $status=null)
|
|
{
|
|
// FIXME: why use this instead of jabber_send_presence()?
|
|
$conn = jabber_connect();
|
|
|
|
$to = htmlspecialchars($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>";
|
|
}
|
|
$conn->send($out);
|
|
}
|
|
|
|
/**
|
|
* broadcast a notice to all subscribers and reply recipients
|
|
*
|
|
* This function will send a notice to all subscribers on the local server
|
|
* who have Jabber addresses, and have Jabber notification enabled, and
|
|
* have this subscription enabled for Jabber. It also sends the notice to
|
|
* all recipients of @-replies who have Jabber addresses and Jabber notification
|
|
* enabled. This is really the heart of Jabber distribution in StatusNet.
|
|
*
|
|
* @param Notice $notice The notice to broadcast
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function jabber_broadcast_notice($notice)
|
|
{
|
|
if (!common_config('xmpp', 'enabled')) {
|
|
return true;
|
|
}
|
|
$profile = Profile::staticGet($notice->profile_id);
|
|
|
|
if (!$profile) {
|
|
common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
|
|
'unknown profile ' . common_log_objstring($notice),
|
|
__FILE__);
|
|
return false;
|
|
}
|
|
|
|
$msg = jabber_format_notice($profile, $notice);
|
|
$entry = jabber_format_entry($profile, $notice);
|
|
|
|
$profile->free();
|
|
unset($profile);
|
|
|
|
$sent_to = array();
|
|
|
|
$conn = jabber_connect();
|
|
|
|
// First, get users to whom this is a direct reply
|
|
$user = new User();
|
|
$UT = common_config('db','type')=='pgsql'?'"user"':'user';
|
|
$user->query("SELECT $UT.id, $UT.jabber " .
|
|
"FROM $UT JOIN reply ON $UT.id = reply.profile_id " .
|
|
'WHERE reply.notice_id = ' . $notice->id . ' ' .
|
|
"AND $UT.jabber is not null " .
|
|
"AND $UT.jabbernotify = 1 " .
|
|
"AND $UT.jabberreplies = 1 ");
|
|
|
|
while ($user->fetch()) {
|
|
common_log(LOG_INFO,
|
|
'Sending reply notice ' . $notice->id . ' to ' . $user->jabber,
|
|
__FILE__);
|
|
$conn->message($user->jabber, $msg, 'chat', null, $entry);
|
|
$conn->processTime(0);
|
|
$sent_to[$user->id] = 1;
|
|
}
|
|
|
|
$user->free();
|
|
|
|
// Now, get users subscribed to this profile
|
|
|
|
$user = new User();
|
|
$user->query("SELECT $UT.id, $UT.jabber " .
|
|
"FROM $UT JOIN subscription " .
|
|
"ON $UT.id = subscription.subscriber " .
|
|
'WHERE subscription.subscribed = ' . $notice->profile_id . ' ' .
|
|
"AND $UT.jabber is not null " .
|
|
"AND $UT.jabbernotify = 1 " .
|
|
'AND subscription.jabber = 1 ');
|
|
|
|
while ($user->fetch()) {
|
|
if (!array_key_exists($user->id, $sent_to)) {
|
|
common_log(LOG_INFO,
|
|
'Sending notice ' . $notice->id . ' to ' . $user->jabber,
|
|
__FILE__);
|
|
$conn->message($user->jabber, $msg, 'chat', null, $entry);
|
|
// To keep the incoming queue from filling up,
|
|
// we service it after each send.
|
|
$conn->processTime(0);
|
|
$sent_to[$user->id] = 1;
|
|
}
|
|
}
|
|
|
|
// Now, get users who have it in their inbox because of groups
|
|
|
|
$user = new User();
|
|
$user->query("SELECT $UT.id, $UT.jabber " .
|
|
"FROM $UT JOIN notice_inbox " .
|
|
"ON $UT.id = notice_inbox.user_id " .
|
|
'WHERE notice_inbox.notice_id = ' . $notice->id . ' ' .
|
|
'AND notice_inbox.source = 2 ' .
|
|
"AND $UT.jabber is not null " .
|
|
"AND $UT.jabbernotify = 1 ");
|
|
|
|
while ($user->fetch()) {
|
|
if (!array_key_exists($user->id, $sent_to)) {
|
|
common_log(LOG_INFO,
|
|
'Sending notice ' . $notice->id . ' to ' . $user->jabber,
|
|
__FILE__);
|
|
$conn->message($user->jabber, $msg, 'chat', null, $entry);
|
|
// To keep the incoming queue from filling up,
|
|
// we service it after each send.
|
|
$conn->processTime(0);
|
|
$sent_to[$user->id] = 1;
|
|
}
|
|
}
|
|
|
|
$user->free();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* send a notice to all public listeners
|
|
*
|
|
* For notices that are generated on the local system (by users), we can optionally
|
|
* forward them to remote listeners by XMPP.
|
|
*
|
|
* @param Notice $notice notice to broadcast
|
|
*
|
|
* @return boolean success flag
|
|
*/
|
|
|
|
function jabber_public_notice($notice)
|
|
{
|
|
// Now, users who want everything
|
|
|
|
$public = common_config('xmpp', 'public');
|
|
|
|
// FIXME PRIV don't send out private messages here
|
|
// XXX: should we send out non-local messages if public,localonly
|
|
// = false? I think not
|
|
|
|
if ($public && $notice->is_local) {
|
|
$profile = Profile::staticGet($notice->profile_id);
|
|
|
|
if (!$profile) {
|
|
common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
|
|
'unknown profile ' . common_log_objstring($notice),
|
|
__FILE__);
|
|
return false;
|
|
}
|
|
|
|
$msg = jabber_format_notice($profile, $notice);
|
|
$entry = jabber_format_entry($profile, $notice);
|
|
|
|
$conn = jabber_connect();
|
|
|
|
foreach ($public as $address) {
|
|
common_log(LOG_INFO,
|
|
'Sending notice ' . $notice->id .
|
|
' to public listener ' . $address,
|
|
__FILE__);
|
|
$conn->message($address, $msg, 'chat', null, $entry);
|
|
$conn->processTime(0);
|
|
}
|
|
$profile->free();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* makes a plain-text formatted version of a notice, suitable for Jabber distribution
|
|
*
|
|
* @param Profile &$profile profile of the sending user
|
|
* @param Notice &$notice notice being sent
|
|
*
|
|
* @return string plain-text version of the notice, with user nickname prefixed
|
|
*/
|
|
|
|
function jabber_format_notice(&$profile, &$notice)
|
|
{
|
|
return $profile->nickname . ': ' . $notice->content . ' [' . $notice->id . ']';
|
|
}
|