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, NULL, -1);
  52                 $this->conn->addEventHandler('message', 'forward_message', $this);
  53                 return !is_null($this->conn);
  54         }
  55
  56         function handle_queue() {
  57                 $this->log(LOG_INFO, 'checking for queued confirmations');
  58                 do {
  59                         $confirm = $this->next_confirm();
  60                         if ($confirm) {
  61                                 $this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
  62                                 $user = User::staticGet($confirm->user_id);
  63                                 if (!$user) {
  64                                         $this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
  65                                         continue;
  66                                 }
  67                                 $success = jabber_confirm_address($confirm->code,
  68                                                                                                   $user->nickname,
  69                                                                                                   $confirm->address);
  70                                 if (!$success) {
  71                                         $this->log(LOG_ERR, 'Confirmation failed for ' . $confirm->address);
  72                                         # Just let the claim age out; hopefully things work then
  73                                         continue;
  74                                 } else {
  75                                         $this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
  76                                         # Mark confirmation sent
  77                                         $original = clone($confirm);
  78                                         $confirm->sent = $confirm->claimed;
  79                                         $result = $confirm->update($original);
  80                                         if (!$result) {
  81                                                 $this->log(LOG_ERR, 'Cannot mark sent for ' . $confirm->address);
  82                                                 # Just let the claim age out; hopefully things work then
  83                                                 continue;
  84                                         }
  85                                 }
  86                                 $this->idle();
  87                         } else {
  88 #                               $this->clear_old_confirm_claims();
  89                                 $start = microtime();
  90                                 $this->idle();
  91                                 $used = microtime() - $start;
  92                                 if ($used < 10000000) {
  93                                         usleep(10000000 - $used);
  94                                 }
  95                                 sleep(10);
  96                         }
  97                 } while (true);
  98         }
  99
 100         function next_confirm() {
 101                 $confirm = new Confirm_address();
 102                 $confirm->whereAdd('claimed IS NULL');
 103                 $confirm->whereAdd('sent IS NULL');
 104                 # XXX: eventually we could do other confirmations in the queue, too
 105                 $confirm->address_type = 'jabber';
 106                 $confirm->orderBy('modified DESC');
 107                 $confirm->limit(1);
 108                 if ($confirm->find(TRUE)) {
 109                         $this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
 110                         # working around some weird DB_DataObject behaviour
 111                         $confirm->whereAdd(''); # clears where stuff
 112                         $original = clone($confirm);
 113                         $confirm->claimed = common_sql_now();
 114                         $result = $confirm->update($original);
 115                         if ($result) {
 116                                 $this->log(LOG_INFO, 'Succeeded in claim! '. $result);
 117                                 return $confirm;
 118                         } else {
 119                                 $this->log(LOG_INFO, 'Failed in claim!');
 120                                 return false;
 121                         }
 122                 }
 123                 return NULL;
 124         }
 125
 126         function clear_old_confirm_claims() {
 127                 $confirm = new Confirm();
 128                 $confirm->claimed = NULL;
 129                 $confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
 130                 $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
 131         }
 132
 133         function log($level, $msg) {
 134                 common_log($level, 'XmppConfirmHandler ('. $this->_id .'): '.$msg);
 135         }
 136
 137         function idle() {
 138             $this->log(LOG_DEBUG, 'Checking the incoming message queue.');
 139                 # Process the queue for a second
 140                 if ($this->conn->readyToProcess()) {
 141                         $this->log(LOG_DEBUG, 'Something in the incoming message queue; processing it.');
 142                         $this->conn->processTime(1);
 143                         $this->log(LOG_DEBUG, 'Done processing incoming message queue.');
 144                 } else {
 145                         $this->log(LOG_DEBUG, 'Nothing in the incoming message queue; skipping it.');
 146                 }
 147         }
 148
 149         function forward_message(&$pl) {
 150                 if ($pl['type'] != 'chat') {
 151                     $this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
 152                         return;
 153                 }
 154                 $listener = $this->listener();
 155                 if (strtolower($listener) == strtolower($pl['from'])) {
 156                         $this->log(LOG_WARNING, 'Ignoring loop message.');
 157                         return;
 158                 }
 159                 $this->log(LOG_INFO, 'Forwarding message from ' . $pl['from'] . ' to ' . $listener);
 160                 $this->conn->message($this->listener(), $pl['body'], 'chat', NULL, $this->ofrom($pl['from']));
 161         }
 162
 163         function ofrom($from) {
 164                 $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
 165                 $address .= "<address type='ofrom' jid='$from' />\n";
 166                 $address .= "</addresses>\n";
 167                 return $address;
 168         }
 169
 170         function listener() {
 171                 if (common_config('xmpp', 'listener')) {
 172                         return common_config('xmpp', 'listener');
 173                 } else {
 174                         return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
 175                 }
 176         }
 177 }
 178
 179 ini_set("max_execution_time", "0");
 180 ini_set("max_input_time", "0");
 181 set_time_limit(0);
 182 mb_internal_encoding('UTF-8');
 183
 184 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp', 'resource').'-confirm');
 185
 186 $handler = new XmppConfirmHandler($resource);
 187
 188 if ($handler->start()) {
 189         $handler->handle_queue();
 190 }
 191
 192 $handler->finish();