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<?php
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.com //
// //
// Copyright (C) 1999 onwards Martin Dougiamas http://moodle.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 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 General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
/**
* Jabber message processor - send a given message by jabber
*
* @author Luis Rodrigues
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package
*/
require_once($CFG->dirroot.'/message/output/lib.php');
require_once($CFG->libdir.'/jabber/XMPP/XMPP.php');
class message_output_jabber extends message_output {
/**
* Processes the message (sends using jabber).
* @param object $eventdata the event data submitted by the message sender plus $eventdata->savedmessageid
* @return true if ok, false if error
*/
function send_message($eventdata){
global $CFG;
if (message_output_jabber::_jabber_configured()) {
if (!empty($CFG->noemailever)) {
// hidden setting for development sites, set in config.php if needed
debugging('$CFG->noemailever active, no jabber message sent.', DEBUG_MINIMAL);
return true;
}
//hold onto jabber id preference because /admin/cron.php sends a lot of messages at once
static $jabberaddresses = array();
if (!array_key_exists($eventdata->userto->id, $jabberaddresses)) {
$jabberaddresses[$eventdata->userto->id] = get_user_preferences('message_processor_jabber_jabberid', $eventdata->userto->email, $eventdata->userto->id);
}
$jabberaddress = $jabberaddresses[$eventdata->userto->id];
//calling s() on smallmessage causes Jabber to display things like &lt; Jabber != a browser
$jabbermessage = fullname($eventdata->userfrom).': '.$eventdata->smallmessage;
if (!empty($eventdata->contexturl)) {
$jabbermessage .= "\n".get_string('view').': '.$eventdata->contexturl;
}
$jabbermessage .= "\n(".get_string('noreply','message').')';
$conn = new XMPPHP_XMPP($CFG->jabberhost,$CFG->jabberport,$CFG->jabberusername,$CFG->jabberpassword,'moodle',$CFG->jabberserver);
try {
//$conn->useEncryption(false);
$conn->connect();
$conn->processUntil('session_start');
$conn->presence();
$conn->message($jabberaddress, $jabbermessage);
$conn->disconnect();
} catch(XMPPHP_Exception $e) {
debugging($e->getMessage());
return false;
}
}
//note that we're reporting success if message was sent or if Jabber simply isnt configured
return true;
}
/**
* Creates necessary fields in the messaging config form.
* @param object $mform preferences form class
*/
function config_form($preferences){
global $CFG;
if (!message_output_jabber::_jabber_configured()) {
return get_string('notconfigured','message_jabber');
} else {
return get_string('jabberid', 'message_jabber').': <input size="30" name="jabber_jabberid" value="'.s($preferences->jabber_jabberid).'" />';
}
}
/**
* Parses the form submitted data and saves it into preferences array.
* @param object $mform preferences form class
* @param array $preferences preferences array
*/
function process_form($form, &$preferences){
if (isset($form->jabber_jabberid)) {
$preferences['message_processor_jabber_jabberid'] = $form->jabber_jabberid;
}
}
/**
* Loads the config data from database to put on the form (initial load)
* @param array $preferences preferences array
* @param int $userid the user id
*/
function load_data(&$preferences, $userid){
$preferences->jabber_jabberid = get_user_preferences( 'message_processor_jabber_jabberid', '', $userid);
}
/**
* Tests whether the Jabber settings have been configured
* @return boolean true if Jabber is configured
*/
private function _jabber_configured() {
global $CFG;
return (!empty($CFG->jabberhost) && !empty($CFG->jabberport) && !empty($CFG->jabberusername) && !empty($CFG->jabberpassword));
}
}
/*
*
* $f = fopen('/tmp/event_jabberx', 'a+');
fwrite($f, date('l dS \of F Y h:i:s A')."\n");
fwrite($f, "from: $message->userfromid\n");
fwrite($f, "userto: $message->usertoid\n");
fwrite($f, "subject: $message->subject\n");
fclose($f);
$savemessage = new stdClass();
$savemessage->useridfrom = 3;
$savemessage->useridto = 2;
$savemessage->subject = 'IM';
$savemessage->fullmessage = 'full';
$savemessage->timecreated = time();
$a = new message_output_jabber();
$a->send_message($savemessage);
* */
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