scripts/xmppconfirmhandler.php

   1 #!/usr/bin/env php
   2 <?php
   3 /*
   4  * Laconica - a distributed open-source microblogging tool
   5  * Copyright (C) 2008, Controlez-Vous, Inc.
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 # Abort if called from a web server
  22 if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
  23         print "This script must be run from the command line\n";
  24         exit();
  25 }
  26
  27 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
  28 define('LACONICA', true);
  29
  30 require_once(INSTALLDIR . '/lib/common.php');
  31 require_once(INSTALLDIR . '/lib/jabber.php');
  32 require_once(INSTALLDIR . '/lib/queuehandler.php');
  33
  34 set_error_handler('common_error_handler');
  35
  36 define('CLAIM_TIMEOUT', 1200);
  37
  38 class XmppConfirmHandler {
  39
  40         var $_id = 'confirm';
  41
  42         function XmppConfirmHandler($id=NULL) {
  43                 if ($id) {
  44                         $this->_id = $id;
  45                 }
  46         }
  47
  48         function start() {
  49                 # Low priority; we don't want to receive messages
  50                 $this->log(LOG_INFO, "INITIALIZE");
  51                 $this->conn = jabber_connect($this->_id);
  52                 if ($this->conn) {
  53                         $this->conn->addEventHandler('message', 'forward_message', $this);
  54                         $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
  55                         $this->conn->setReconnectTimeout(600);
  56                         jabber_send_presence("Send me a message to post an notice", 'available', NULL, 'available', -1);
  57                 }
  58                 return !is_null($this->conn);
  59         }
  60
  61         function handle_reconnect(&$pl) {
  62                 $this->conn->processUntil('session_start');
  63                 $this->conn->presence(NULL, 'available', NULL, 'available', -1);
  64         }
  65
  66         function handle_queue() {
  67                 $this->log(LOG_INFO, 'checking for queued confirmations');
  68                 do {
  69                         $confirm = $this->next_confirm();
  70                         if ($confirm) {
  71                                 $this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
  72                                 $user = User::staticGet($confirm->user_id);
  73                                 if (!$user) {
  74                                         $this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
  75                                         continue;
  76                                 }
  77                                 $success = jabber_confirm_address($confirm->code,
  78                                                                                                   $user->nickname,
  79                                                                                                   $confirm->address);
  80                                 if (!$success) {
  81                                         $this->log(LOG_ERR, 'Confirmation failed for ' . $confirm->address);
  82                                         # Just let the claim age out; hopefully things work then
  83                                         continue;
  84                                 } else {
  85                                         $this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
  86                                         # Mark confirmation sent
  87                                         $original = clone($confirm);
  88                                         $confirm->sent = $confirm->claimed;
  89                                         $result = $confirm->update($original);
  90                                         if (!$result) {
  91                                                 $this->log(LOG_ERR, 'Cannot mark sent for ' . $confirm->address);
  92                                                 # Just let the claim age out; hopefully things work then
  93                                                 continue;
  94                                         }
  95                                 }
  96                                 $this->idle(0);
  97                         } else {
  98 #                               $this->clear_old_confirm_claims();
  99                                 $this->idle(10);
 100                         }
 101                 } while (true);
 102         }
 103
 104         function next_confirm() {
 105                 $confirm = new Confirm_address();
 106                 $confirm->whereAdd('claimed IS NULL');
 107                 $confirm->whereAdd('sent IS NULL');
 108                 # XXX: eventually we could do other confirmations in the queue, too
 109                 $confirm->address_type = 'jabber';
 110                 $confirm->orderBy('modified DESC');
 111                 $confirm->limit(1);
 112                 if ($confirm->find(TRUE)) {
 113                         $this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
 114                         # working around some weird DB_DataObject behaviour
 115                         $confirm->whereAdd(''); # clears where stuff
 116                         $original = clone($confirm);
 117                         $confirm->claimed = common_sql_now();
 118                         $result = $confirm->update($original);
 119                         if ($result) {
 120                                 $this->log(LOG_INFO, 'Succeeded in claim! '. $result);
 121                                 return $confirm;
 122                         } else {
 123                                 $this->log(LOG_INFO, 'Failed in claim!');
 124                                 return false;
 125                         }
 126                 }
 127                 return NULL;
 128         }
 129
 130         function clear_old_confirm_claims() {
 131                 $confirm = new Confirm();
 132                 $confirm->claimed = NULL;
 133                 $confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
 134                 $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
 135         }
 136
 137         function log($level, $msg) {
 138                 common_log($level, 'XmppConfirmHandler ('. $this->_id .'): '.$msg);
 139         }
 140
 141         function idle($timeout=0) {
 142                 $this->conn->processTime($timeout);
 143         }
 144
 145         function forward_message(&$pl) {
 146                 if ($pl['type'] != 'chat') {
 147                     $this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
 148                         return;
 149                 }
 150                 $listener = $this->listener();
 151                 if (strtolower($listener) == strtolower($pl['from'])) {
 152                         $this->log(LOG_WARNING, 'Ignoring loop message.');
 153                         return;
 154                 }
 155                 $this->log(LOG_INFO, 'Forwarding message from ' . $pl['from'] . ' to ' . $listener);
 156                 $this->conn->message($this->listener(), $pl['body'], 'chat', NULL, $this->ofrom($pl['from']));
 157         }
 158
 159         function ofrom($from) {
 160                 $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
 161                 $address .= "<address type='ofrom' jid='$from' />\n";
 162                 $address .= "</addresses>\n";
 163                 return $address;
 164         }
 165
 166         function listener() {
 167                 if (common_config('xmpp', 'listener')) {
 168                         return common_config('xmpp', 'listener');
 169                 } else {
 170                         return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
 171                 }
 172         }
 173 }
 174
 175 ini_set("max_execution_time", "0");
 176 ini_set("max_input_time", "0");
 177 set_time_limit(0);
 178 mb_internal_encoding('UTF-8');
 179
 180 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp', 'resource').'-confirm');
 181
 182 $handler = new XmppConfirmHandler($resource);
 183
 184 if ($handler->start()) {
 185         $handler->handle_queue();
 186 }
 187
 188 $handler->finish();