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', $this);
  54                         jabber_send_presence("Send me a message to post an notice", 'dnd', NULL, 'available', -1);
  55                 }
  56                 return !is_null($this->conn);
  57         }
  58
  59         function handle_queue() {
  60                 $this->log(LOG_INFO, 'checking for queued confirmations');
  61                 do {
  62                         $confirm = $this->next_confirm();
  63                         if ($confirm) {
  64                                 $this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
  65                                 $user = User::staticGet($confirm->user_id);
  66                                 if (!$user) {
  67                                         $this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
  68                                         continue;
  69                                 }
  70                                 $success = jabber_confirm_address($confirm->code,
  71                                                                                                   $user->nickname,
  72                                                                                                   $confirm->address);
  73                                 if (!$success) {
  74                                         $this->log(LOG_ERR, 'Confirmation failed for ' . $confirm->address);
  75                                         # Just let the claim age out; hopefully things work then
  76                                         continue;
  77                                 } else {
  78                                         $this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
  79                                         # Mark confirmation sent
  80                                         $original = clone($confirm);
  81                                         $confirm->sent = $confirm->claimed;
  82                                         $result = $confirm->update($original);
  83                                         if (!$result) {
  84                                                 $this->log(LOG_ERR, 'Cannot mark sent for ' . $confirm->address);
  85                                                 # Just let the claim age out; hopefully things work then
  86                                                 continue;
  87                                         }
  88                                 }
  89                                 $this->idle();
  90                         } else {
  91 #                               $this->clear_old_confirm_claims();
  92                                 $start = microtime();
  93                                 $this->idle();
  94                                 $used = microtime() - $start;
  95                                 if ($used < 10000000) {
  96                                         usleep(10000000 - $used);
  97                                 }
  98                                 sleep(10);
  99                         }
 100                 } while (true);
 101         }
 102
 103         function next_confirm() {
 104                 $confirm = new Confirm_address();
 105                 $confirm->whereAdd('claimed IS NULL');
 106                 $confirm->whereAdd('sent IS NULL');
 107                 # XXX: eventually we could do other confirmations in the queue, too
 108                 $confirm->address_type = 'jabber';
 109                 $confirm->orderBy('modified DESC');
 110                 $confirm->limit(1);
 111                 if ($confirm->find(TRUE)) {
 112                         $this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
 113                         # working around some weird DB_DataObject behaviour
 114                         $confirm->whereAdd(''); # clears where stuff
 115                         $original = clone($confirm);
 116                         $confirm->claimed = common_sql_now();
 117                         $result = $confirm->update($original);
 118                         if ($result) {
 119                                 $this->log(LOG_INFO, 'Succeeded in claim! '. $result);
 120                                 return $confirm;
 121                         } else {
 122                                 $this->log(LOG_INFO, 'Failed in claim!');
 123                                 return false;
 124                         }
 125                 }
 126                 return NULL;
 127         }
 128
 129         function clear_old_confirm_claims() {
 130                 $confirm = new Confirm();
 131                 $confirm->claimed = NULL;
 132                 $confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
 133                 $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
 134         }
 135
 136         function log($level, $msg) {
 137                 common_log($level, 'XmppConfirmHandler ('. $this->_id .'): '.$msg);
 138         }
 139
 140         function idle() {
 141             $this->log(LOG_DEBUG, 'Checking the incoming message queue.');
 142                 # Process the queue for a second
 143                 if ($this->conn->readyToProcess()) {
 144                         $this->log(LOG_DEBUG, 'Something in the incoming message queue; processing it.');
 145                         $this->conn->processTime(1);
 146                         $this->log(LOG_DEBUG, 'Done processing incoming message queue.');
 147                 } else {
 148                         $this->log(LOG_DEBUG, 'Nothing in the incoming message queue; skipping it.');
 149                 }
 150         }
 151
 152         function forward_message(&$pl) {
 153                 if ($pl['type'] != 'chat') {
 154                     $this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
 155                         return;
 156                 }
 157                 $listener = $this->listener();
 158                 if (strtolower($listener) == strtolower($pl['from'])) {
 159                         $this->log(LOG_WARNING, 'Ignoring loop message.');
 160                         return;
 161                 }
 162                 $this->log(LOG_INFO, 'Forwarding message from ' . $pl['from'] . ' to ' . $listener);
 163                 $this->conn->message($this->listener(), $pl['body'], 'chat', NULL, $this->ofrom($pl['from']));
 164         }
 165
 166         function ofrom($from) {
 167                 $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
 168                 $address .= "<address type='ofrom' jid='$from' />\n";
 169                 $address .= "</addresses>\n";
 170                 return $address;
 171         }
 172
 173         function listener() {
 174                 if (common_config('xmpp', 'listener')) {
 175                         return common_config('xmpp', 'listener');
 176                 } else {
 177                         return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
 178                 }
 179         }
 180 }
 181
 182 ini_set("max_execution_time", "0");
 183 ini_set("max_input_time", "0");
 184 set_time_limit(0);
 185 mb_internal_encoding('UTF-8');
 186
 187 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp', 'resource').'-confirm');
 188
 189 $handler = new XmppConfirmHandler($resource);
 190
 191 if ($handler->start()) {
 192         $handler->handle_queue();
 193 }
 194
 195 $handler->finish();