<?php
/*
* Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * Copyright (C) 2008, 2009, Control Yourself, 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-function xmppdaemon_error_handler($errno, $errstr, $errfile, $errline, $errcontext) {
- switch ($errno) {
- case E_USER_ERROR:
- echo "ERROR: [$errno] $errstr ($errfile:$errline)\n";
- echo " Fatal error on line $errline in file $errfile";
- echo ", PHP " . PHP_VERSION . " (" . PHP_OS . ")\n";
- echo "Aborting...\n";
- exit(1);
- break;
-
- case E_USER_WARNING:
- echo "WARNING [$errno] $errstr ($errfile:$errline)\n";
- break;
-
- case E_USER_NOTICE:
- echo "My NOTICE [$errno] $errstr ($errfile:$errline)\n";
- break;
-
- default:
- echo "Unknown error type: [$errno] $errstr ($errfile:$errline)\n";
- break;
- }
-
- /* Don't execute PHP internal error handler */
- return true;
-}
-
-set_error_handler('xmppdaemon_error_handler');
-
# Abort if called from a web server
if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
- print "This script must be run from the command line\n";
- exit();
+ print "This script must be run from the command line\n";
+ exit();
}
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
define('LACONICA', true);
-define('CLAIM_TIMEOUT', 100000);
+
+// Preset the server at the command line
+
+$server = ($argc > 2) ? $argv[2] : null;
+$path = ($argc > 3) ? $argv[3] : null;
require_once(INSTALLDIR . '/lib/common.php');
require_once(INSTALLDIR . '/lib/jabber.php');
+require_once(INSTALLDIR . '/lib/daemon.php');
+
+set_error_handler('common_error_handler');
# This is kind of clunky; we create a class to call the global functions
# in jabber.php, which create a new XMPP class. A more elegant (?) solution
# might be to use make this a subclass of XMPP.
-class XMPPDaemon {
-
- function XMPPDaemon($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();
- $this->confirmation_queue();
- }
- }
-
- function handle_session($pl) {
- # XXX what to do here?
- return true;
- }
-
- 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 ($pl['type'] != 'chat') {
- return;
- }
- if (mb_strlen($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, $pl['body'])) {
- return;
- } else if ($this->is_autoreply($pl['body'])) {
- $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
- return;
- } else if ($this->is_otr($pl['body'])) {
- $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
- return;
- } else {
- $len = mb_strlen($pl['body']);
- if($len > 140) {
- $this->from_site($from, 'Message too long - maximum is 140 characters, you sent ' . $len);
- return;
- }
- $this->add_notice($user, $pl);
- }
- }
-
- function is_autoreply($txt) {
- if (preg_match('/[\[\(]?[Aa]uto-?[Rr]eply[\]\)]/', $txt)) {
- return true;
- } else {
- return false;
- }
- }
-
- function is_otr($txt) {
- if (preg_match('/^\?OTR/', $txt)) {
- return true;
- } else {
- return false;
- }
- }
-
- function from_site($address, $msg) {
- $text = '['.common_config('site', 'name') . '] ' . $msg;
- jabber_send_message($address, $text);
- }
-
- function handle_command($user, $body) {
- # XXX: localise
- $p=explode(' ',$body);
- if(count($p)>2)
- return false;
- switch($p[0]) {
- case 'help':
- if(count($p)!=1)
- return false;
- $this->from_site($user->jabber, "Commands:\n on - turn on notifications\n off - turn off notifications\n help - show this help \n sub - subscribe to user\n unsub - unsubscribe from user");
- return true;
- case 'on':
- if(count($p)!=1)
- return false;
- $this->set_notify($user, true);
- $this->from_site($user->jabber, 'notifications on');
- return true;
- case 'off':
- if(count($p)!=1)
- return false;
- $this->set_notify($user, false);
- $this->from_site($user->jabber, 'notifications off');
- return true;
- case 'sub':
- if(count($p)==1) {
- $this->from_site($user->jabber, 'Specify the name of the user to subscribe to');
- return true;
- }
- $result=subs_subscribe_user($user, $p[1]);
- if($result=='true')
- $this->from_site($user->jabber, 'Subscribed to ' . $p[1]);
- else
- $this->from_site($user->jabber, $result);
- return true;
- case 'unsub':
- if(count($p)==1) {
- $this->from_site($user->jabber, 'Specify the name of the user to unsubscribe from');
- return true;
- }
- $result=subs_unsubscribe_user($user, $p[1]);
- if($result=='true')
- $this->from_site($user->jabber, 'Unsubscribed from ' . $p[1]);
- else
- $this->from_site($user->jabber, $result);
- return true;
- default:
- return false;
- }
- }
-
- function set_notify(&$user, $notify) {
- $orig = clone($user);
- $user->jabbernotify = $notify;
- $result = $user->update($orig);
- if (!$result) {
- $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
- $this->log(LOG_ERR,
- '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) {
- $notice = Notice::saveNew($user->id, trim(mb_substr($pl['body'], 0, 140)), 'xmpp');
- if (is_string($notice)) {
- $this->log(LOG_ERR, $notice);
- return;
- }
- common_real_broadcast($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, 'Presence 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 = common_sql_now();
- $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_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 ' . $confirm->address);
- # Just let the claim age out; hopefully things work then
- continue;
- }
- }
- }
- } while ($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 = 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);
- $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
- }
+class XMPPDaemon extends Daemon
+{
+ function XMPPDaemon($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';
+ }
+
+ $this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$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;
+ }
+
+ $this->conn->setReconnectTimeout(600);
+
+ jabber_send_presence("Send me a message to post a notice", 'available',
+ null, 'available', 100);
+ return !$this->conn->isDisconnected();
+ }
+
+ function name()
+ {
+ return strtolower('xmppdaemon.'.$this->resource);
+ }
+
+ function run()
+ {
+ if ($this->connect()) {
+
+ $this->conn->addEventHandler('message', 'handle_message', $this);
+ $this->conn->addEventHandler('presence', 'handle_presence', $this);
+ $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
+
+ $this->conn->process();
+ }
+ }
+
+ function handle_reconnect(&$pl)
+ {
+ $this->conn->processUntil('session_start');
+ $this->conn->presence('Send me a message to post a notice', 'available', null, 'available', 100);
+ }
+
+ function get_user($from)
+ {
+ $user = User::staticGet('jabber', jabber_normalize_jid($from));
+ return $user;
+ }
+
+ function handle_message(&$pl)
+ {
+ if ($pl['type'] != 'chat') {
+ return;
+ }
+ if (mb_strlen($pl['body']) == 0) {
+ return;
+ }
+
+ $from = jabber_normalize_jid($pl['from']);
+
+ # Forwarded from another daemon (probably a broadcaster) for
+ # us to handle
+
+ if ($this->is_self($from)) {
+ $from = $this->get_ofrom($pl);
+ if (is_null($from) || $this->is_self($from)) {
+ return;
+ }
+ }
+
+ $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, $pl['body'])) {
+ return;
+ } else if ($this->is_autoreply($pl['body'])) {
+ $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
+ return;
+ } else if ($this->is_otr($pl['body'])) {
+ $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
+ return;
+ } else if ($this->is_direct($pl['body'])) {
+ preg_match_all('/d[\ ]*([a-z0-9]{1,64})/', $pl['body'], $to);
+
+ $to = preg_replace('/^d([\ ])*/', '', $to[0][0]);
+ $body = preg_replace('/d[\ ]*('. $to .')[\ ]*/', '', $pl['body']);
+ $this->add_direct($user, $body, $to, $from);
+ } else {
+ $this->add_notice($user, $pl);
+ }
+
+ $user->free();
+ unset($user);
+ }
+
+ function is_self($from)
+ {
+ return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
+ }
+
+ function get_ofrom($pl)
+ {
+ $xml = $pl['xml'];
+ $addresses = $xml->sub('addresses');
+ if (!$addresses) {
+ $this->log(LOG_WARNING, 'Forwarded message without addresses');
+ return null;
+ }
+ $address = $addresses->sub('address');
+ if (!$address) {
+ $this->log(LOG_WARNING, 'Forwarded message without address');
+ return null;
+ }
+ if (!array_key_exists('type', $address->attrs)) {
+ $this->log(LOG_WARNING, 'No type for forwarded message');
+ return null;
+ }
+ $type = $address->attrs['type'];
+ if ($type != 'ofrom') {
+ $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
+ return null;
+ }
+ if (!array_key_exists('jid', $address->attrs)) {
+ $this->log(LOG_WARNING, 'No jid for forwarded message');
+ return null;
+ }
+ $jid = $address->attrs['jid'];
+ if (!$jid) {
+ $this->log(LOG_WARNING, 'Could not get jid from address');
+ return null;
+ }
+ $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
+ return $jid;
+ }
+
+ function is_autoreply($txt)
+ {
+ if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
+ return true;
+ } else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function is_otr($txt)
+ {
+ if (preg_match('/^\?OTR/', $txt)) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function is_direct($txt)
+ {
+ if (strtolower(substr($txt, 0, 2))=='d ') {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function from_site($address, $msg)
+ {
+ $text = '['.common_config('site', 'name') . '] ' . $msg;
+ jabber_send_message($address, $text);
+ }
+
+ function handle_command($user, $body)
+ {
+ $inter = new CommandInterpreter();
+ $cmd = $inter->handle_command($user, $body);
+ if ($cmd) {
+ $chan = new XMPPChannel($this->conn);
+ $cmd->execute($chan);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function add_notice(&$user, &$pl)
+ {
+ $body = trim($pl['body']);
+ $content_shortened = common_shorten_links($body);
+ if (mb_strlen($content_shortened) > 140) {
+ $from = jabber_normalize_jid($pl['from']);
+ $this->from_site($from, "Message too long - maximum is 140 characters, you sent ".mb_strlen($content_shortened));
+ return;
+ }
+ $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
+ if (is_string($notice)) {
+ $this->log(LOG_ERR, $notice);
+ return;
+ }
+ common_broadcast_notice($notice);
+ $this->log(LOG_INFO,
+ 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
+ $notice->free();
+ unset($notice);
+ }
+
+ 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, 'Presence from unknown user ' . $from);
+ return;
+ }
+ if ($user->updatefrompresence) {
+ $this->log(LOG_INFO, 'Updating ' . $user->nickname .
+ ' status from presence.');
+ $this->add_notice($user, $pl);
+ }
+ $user->free();
+ unset($user);
+ }
+ break;
+ }
+ }
+
+ function log($level, $msg)
+ {
+ common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
+ }
+
+ function subscribed($to)
+ {
+ jabber_special_presence('subscribed', $to);
+ }
}
+// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
+// lots of CPU trying to connect to unconfigured servers
+if (common_config('xmpp','enabled')==false) {
+ print "Aborting daemon - xmpp is disabled\n";
+ exit();
+}
+
+ini_set("max_execution_time", "0");
+ini_set("max_input_time", "0");
+set_time_limit(0);
mb_internal_encoding('UTF-8');
-$resource = ($argc > 1) ? $argv[1] : NULL;
+$resource = ($argc > 1) ? $argv[1] : (common_config('xmpp','resource') . '-listen');
$daemon = new XMPPDaemon($resource);
-if ($daemon->connect()) {
- $daemon->set_status("Send me a message to post a notice");
- $daemon->handle();
-}
-
-?>
+$daemon->runOnce();
projects / quix0rs-gnu-social.git / blobdiff