408 lines
11 KiB
PHP
Executable File
408 lines
11 KiB
PHP
Executable File
#!/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', $_SERVER)) {
|
|
print "This script must be run from the command line\n";
|
|
exit();
|
|
}
|
|
|
|
define('INSTALLDIR', dirname(__FILE__));
|
|
define('LACONICA', true);
|
|
|
|
require_once(INSTALLDIR . '/lib/common.php');
|
|
require_once(INSTALLDIR . '/lib/jabber.php');
|
|
|
|
# This is kind of clunky; we create a class to call the global functions
|
|
# in jabber.php, which create a new XMPP class. A more elegant (?) solution
|
|
# might be to use make this a subclass of XMPP.
|
|
|
|
class XMPPDaemon {
|
|
|
|
function XMPPDaemon($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';
|
|
}
|
|
|
|
$this->log(LOG_INFO, "{$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 (!$this->conn) {
|
|
return false;
|
|
}
|
|
|
|
return !$this->conn->isDisconnected();
|
|
}
|
|
|
|
function handle() {
|
|
|
|
static $parts = array('message', 'presence',
|
|
'end_stream', 'session_start');
|
|
|
|
while(!$this->conn->isDisconnected()) {
|
|
|
|
$payloads = $this->conn->processUntil($parts, 10);
|
|
|
|
if ($payloads) {
|
|
foreach($payloads as $event) {
|
|
$pl = $event[1];
|
|
switch($event[0]) {
|
|
case 'message':
|
|
$this->handle_message($pl);
|
|
break;
|
|
case 'presence':
|
|
$this->handle_presence($pl);
|
|
break;
|
|
case 'session_start':
|
|
$this->handle_session($pl);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->broadcast_queue();
|
|
$this->confirmation_queue();
|
|
}
|
|
}
|
|
|
|
function get_user($from) {
|
|
$user = User::staticGet('jabber', jabber_normalize_jid($from));
|
|
return $user;
|
|
}
|
|
|
|
function get_confirmation($from) {
|
|
$confirm = new Confirm_address();
|
|
$confirm->address = $from;
|
|
$confirm->address_type = 'jabber';
|
|
if ($confirm->find(TRUE)) {
|
|
return $confirm;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
function handle_message(&$pl) {
|
|
if ($pl['type'] != 'chat') {
|
|
return;
|
|
}
|
|
if (strlen($pl['body']) == 0) {
|
|
return;
|
|
}
|
|
|
|
$from = jabber_normalize_jid($pl['from']);
|
|
$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 {
|
|
$this->add_notice($user, $pl);
|
|
}
|
|
}
|
|
|
|
function from_site($address, $msg) {
|
|
$text = '['.common_config('site', 'name') . '] ' . $msg;
|
|
jabber_send_message($address, $text);
|
|
}
|
|
|
|
function handle_command($user, $body) {
|
|
# XXX: localise
|
|
switch(trim($body)) {
|
|
case 'on':
|
|
$this->set_notify($user, true);
|
|
$this->from_site($user->jabber, 'notifications on');
|
|
return true;
|
|
case 'off':
|
|
$this->set_notify($user, false);
|
|
$this->from_site($user->jabber, 'notifications off');
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function set_notify(&$user, $notify) {
|
|
$orig = clone($user);
|
|
$user->jabbernotify = $notify;
|
|
$result = $user->update($orig);
|
|
if (!$id) {
|
|
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
|
|
$this->log(LOG_ERROR,
|
|
'Could not set notify flag to ' . $notify .
|
|
' for user ' . common_log_objstring($user) .
|
|
': ' . $last_error->message);
|
|
} else {
|
|
$this->log(LOG_INFO,
|
|
'User ' . $user->nickname . ' set notify flag to ' . $notify);
|
|
}
|
|
}
|
|
|
|
function add_notice(&$user, &$pl) {
|
|
$notice = new Notice();
|
|
$notice->profile_id = $user->id;
|
|
$notice->content = trim(substr($pl['body'], 0, 140));
|
|
$notice->created = DB_DataObject_Cast::dateTime();
|
|
$notice->query('BEGIN');
|
|
$id = $notice->insert();
|
|
if (!$id) {
|
|
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
|
|
$this->log(LOG_ERROR,
|
|
'Could not insert ' . common_log_objstring($notice) .
|
|
' for user ' . common_log_objstring($user) .
|
|
': ' . $last_error->message);
|
|
return;
|
|
}
|
|
$orig = clone($notice);
|
|
$notice->uri = common_notice_uri($notice);
|
|
$result = $notice->update($orig);
|
|
if (!$result) {
|
|
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
|
|
$this->log(LOG_ERROR,
|
|
'Could not add URI to ' . common_log_objstring($notice) .
|
|
' for user ' . common_log_objstring($user) .
|
|
': ' . $last_error->message);
|
|
return;
|
|
}
|
|
$notice->query('COMMIT');
|
|
common_real_broadcast($notice);
|
|
$this->log(LOG_INFO,
|
|
'Added notice ' . $notice->id . ' from user ' . $user->nickname);
|
|
}
|
|
|
|
function handle_presence(&$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, 'Message from unknown user ' . $from);
|
|
return;
|
|
}
|
|
if ($user->updatefrompresence) {
|
|
$this->log(LOG_INFO, 'Updating ' . $user->nickname .
|
|
' status from presence.');
|
|
$this->add_notice($user, $pl);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
function log($level, $msg) {
|
|
common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
|
|
}
|
|
|
|
function subscribed($to) {
|
|
jabber_special_presence('subscribed', $to);
|
|
}
|
|
|
|
function set_status($status) {
|
|
$this->log(LOG_INFO, 'Setting status to "' . $status . '"');
|
|
jabber_send_presence($status);
|
|
}
|
|
|
|
function top_queue_item() {
|
|
|
|
$qi = new Queue_item();
|
|
$qi->orderBy('created');
|
|
$qi->whereAdd('claimed is NULL');
|
|
|
|
$qi->limit(1);
|
|
|
|
$cnt = $qi->find(TRUE);
|
|
|
|
if ($cnt) {
|
|
# XXX: potential race condition
|
|
# can we force it to only update if claimed is still NULL
|
|
# (or old)?
|
|
$this->log(LOG_INFO, 'claiming queue item = ' . $qi->notice_id);
|
|
$orig = clone($qi);
|
|
$qi->claimed = DB_DataObject_Cast::dateTime();
|
|
$result = $qi->update($orig);
|
|
if ($result) {
|
|
$this->log(LOG_INFO, 'claim succeeded.');
|
|
return $qi;
|
|
} else {
|
|
$this->log(LOG_INFO, 'claim failed.');
|
|
}
|
|
}
|
|
$qi = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
function broadcast_queue() {
|
|
$this->clear_old_claims();
|
|
$this->log(LOG_INFO, 'checking for queued notices');
|
|
do {
|
|
$qi = $this->top_queue_item();
|
|
if ($qi) {
|
|
$this->log(LOG_INFO, 'Got item enqueued '.common_exact_date($qi->created));
|
|
$notice = Notice::staticGet($qi->notice_id);
|
|
if ($notice) {
|
|
$this->log(LOG_INFO, 'broadcasting notice ID = ' . $notice->id);
|
|
# XXX: what to do if broadcast fails?
|
|
$result = common_real_broadcast($notice, $this->is_remote($notice));
|
|
if (!$result) {
|
|
$this->log(LOG_WARNING, 'Failed broadcast for notice ID = ' . $notice->id);
|
|
$orig = $qi;
|
|
$qi->claimed = NULL;
|
|
$qi->update($orig);
|
|
$this->log(LOG_WARNING, 'Abandoned claim for notice ID = ' . $notice->id);
|
|
continue;
|
|
}
|
|
$this->log(LOG_INFO, 'finished broadcasting notice ID = ' . $notice->id);
|
|
$notice = NULL;
|
|
} else {
|
|
$this->log(LOG_WARNING, 'queue item for notice that does not exist');
|
|
}
|
|
$qi->delete();
|
|
}
|
|
} while ($qi);
|
|
}
|
|
|
|
function clear_old_claims() {
|
|
$qi = new Queue_item();
|
|
$qi->claimed = NULL;
|
|
$qi->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
|
|
$qi->update(DB_DATAOBJECT_WHEREADD_ONLY);
|
|
}
|
|
|
|
function is_remote($notice) {
|
|
$user = User::staticGet($notice->profile_id);
|
|
return !$user;
|
|
}
|
|
|
|
function confirmation_queue() {
|
|
# $this->clear_old_confirm_claims();
|
|
$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_ERROR, '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_ERROR, 'Cannot mark sent for ' . $confirm->address);
|
|
# Just let the claim age out; hopefully things work then
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
} while ($confirm);
|
|
}
|
|
|
|
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 = DB_DataObject_Cast::dateTime();
|
|
$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);
|
|
}
|
|
|
|
}
|
|
|
|
$resource = ($argc > 1) ? $argv[1] : NULL;
|
|
|
|
$daemon = new XMPPDaemon($resource);
|
|
|
|
if ($daemon->connect()) {
|
|
$daemon->set_status("Send me a message to post a notice");
|
|
$daemon->handle();
|
|
}
|
|
|
|
?>
|