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connect_class_dom.php
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connect_class_dom.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package mod_adobeconnect
* @author Akinsaya Delamarre (adelamarre@remote-learner.net)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @copyright (C) 2015 Remote Learner.net Inc http://www.remote-learner.net
*/
require_once('connect_class.php');
class connect_class_dom extends connect_class {
public function __construct($serverurl = '', $serverport = '',
$username = '', $password = '',
$cookie = '', $https) {
parent::__construct($serverurl, $serverport, $username, $password, $cookie, $https);
}
public function create_request($params = array(), $sentrequest = true) {
if (empty($params)) {
return false;
}
$dom = new DOMDocument('1.0', 'UTF-8');
$root = $dom->createElement('params');
$dom->appendChild($root);
foreach($params as $key => $data) {
$datahtmlent = htmlentities($data, ENT_COMPAT, 'UTF-8');
$child = $dom->createElement('param', $datahtmlent);
$root->appendChild($child);
$attribute = $dom->createAttribute('name');
$child->appendChild($attribute);
$text = $dom->createTextNode($key);
$attribute->appendChild($text);
}
$this->_xmlrequest = $dom->saveXML();
// $dom->save('test1.xml'); // save as file
if ($sentrequest) {
$this->_xmlresponse = $this->send_request();
}
}
/**
* Parses through xml and looks for the 'cookie' parameter
* @param string $xml the xml to parse through
* @return string $sessoin returns the session id
*/
public function read_cookie_xml($xml = '') {
global $USER, $COURSE, $CFG;
if (empty($xml)) {
if (is_siteadmin($USER->id)) {
notice(get_string('adminemptyxml', 'adobeconnect'),
$CFG->wwwroot . '/admin/settings.php?section=modsettingadobeconnect');
} else {
notice(get_string('emptyxml', 'adobeconnect'),
'', $COURSE);
}
}
$dom = new DomDocument();
$dom->loadXML($xml);
$domnodelist = $dom->getElementsByTagName('cookie');
if (isset($domnodelist->item(0)->nodeValue)) {
$this->_cookie = $domnodelist->item(0)->nodeValue;
} else {
$this->_cookie = null;
}
}
public function call_success() {
global $USER, $COURSE, $CFG;
if (empty($this->_xmlresponse)) {
if (is_siteadmin($USER->id)) {
notice(get_string('adminemptyxml', 'adobeconnect'),
$CFG->wwwroot . '/admin/settings.php?section=modsettingadobeconnect');
} else {
notice(get_string('emptyxml', 'adobeconnect'),
'', $COURSE);
}
}
$dom = new DomDocument();
$dom->loadXML($this->_xmlresponse);
$domnodelist = $dom->getElementsByTagName('status');
if (!is_object($domnodelist->item(0))) {
if (is_siteadmin($USER->id)) {
notice(get_string('adminemptyxml', 'adobeconnect'),
$CFG->wwwroot . '/admin/settings.php?section=modsettingadobeconnect');
} else {
notice(get_string('emptyxml', 'adobeconnect'),
'', $COURSE);
}
}
if ($domnodelist->item(0)->hasAttributes()) {
$domnode = $domnodelist->item(0)->attributes->getNamedItem('code');
if (!is_null($domnode)) {
if (0 == strcmp('ok', $domnode->nodeValue)) {
return true;
} else {
return false;
}
} else {
return false;
}
} else {
return false;
}
}
/**
* Sends the HTTP header login request and returns the response xml
* @param string username username to use for header x-user-id
*/
public function request_http_header_login($return_header = 0, $username = '', $stop = false) {
global $CFG;
$header = array();
$this->create_http_head_login_xml();
// The first parameter is 1 because we want to include the response header
// to extract the session cookie
if (!empty($username)) {
$header = array("$CFG->adobeconnect_admin_httpauth: " . $username);
}
$this->_xmlresponse = $this->send_request($return_header, $header, $stop);
$this->set_session_cookie($this->_xmlresponse);
return $this->_xmlresponse;
}
private function create_http_head_login_xml() {
$params = array('action' => 'login',
'external-auth' => 'use',
);
$this->create_request($params, false);
}
}