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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/>.
/**
* This file contains two forms for adding/editing mnet hosts, used by peers.php
*
* @package core
* @subpackage mnet
* @copyright 2010 Penny Leach
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/formslib.php');
/**
* The very basic first step add new host form - just wwwroot & application
* The second form is loaded up with the information from this one.
*/
class mnet_simple_host_form extends moodleform {
function definition() {
global $DB;
$mform = $this->_form;
$mform->addElement('text', 'wwwroot', get_string('hostname', 'mnet'), array('maxlength' => 255, 'size' => 50));
$mform->setType('wwwroot', PARAM_URL);
$mform->addRule('wwwroot', null, 'required', null, 'client');
$mform->addRule('wwwroot', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->addElement('select', 'applicationid', get_string('applicationtype', 'mnet'),
$DB->get_records_menu('mnet_application', array(), 'id,display_name'));
$mform->addRule('applicationid', null, 'required', null, 'client');
$this->add_action_buttons(false, get_string('addhost', 'mnet'));
}
function validation($data, $files) {
global $DB;
$wwwroot = $data['wwwroot'];
// ensure the wwwroot starts with a http or https prefix
if (strtolower(substr($wwwroot, 0, 4)) != 'http') {
$wwwroot = 'http://'.$wwwroot;
}
if ($host = $DB->get_record('mnet_host', array('wwwroot' => $wwwroot))) {
global $CFG;
return array('wwwroot' => get_string('hostexists', 'mnet',
new moodle_url('/admin/mnet/peers.php', array('hostid' => $host->id))));
}
return array();
}
}
/**
* The second step of the form - reviewing the host details
* This is also the same form that is used for editing an existing host
*/
class mnet_review_host_form extends moodleform {
function definition() {
global $OUTPUT;
$mform = $this->_form;
$mnet_peer = $this->_customdata['peer'];
$mform->addElement('hidden', 'last_connect_time');
$mform->setType('last_connect_time', PARAM_INT);
$mform->addElement('hidden', 'id');
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'applicationid');
$mform->setType('applicationid', PARAM_INT);
$mform->addElement('hidden', 'oldpublickey');
$mform->setType('oldpublickey', PARAM_PEM);
$mform->addElement('text', 'name', get_string('site'), array('maxlength' => 80, 'size' => 50));
$mform->setType('name', PARAM_NOTAGS);
$mform->addRule('name', get_string('maximumchars', '', 80), 'maxlength', 80, 'client');
$mform->addElement('text', 'wwwroot', get_string('hostname', 'mnet'), array('maxlength' => 255, 'size' => 50));
$mform->setType('wwwroot', PARAM_URL);
$mform->addRule('wwwroot', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$options = array(
mnet_peer::SSL_NONE => get_string('none'),
mnet_peer::SSL_HOST => get_string('verifyhostonly', 'core_mnet'),
mnet_peer::SSL_HOST_AND_PEER => get_string('verifyhostandpeer', 'core_mnet')
);
$mform->addElement('select', 'sslverification', get_string('sslverification', 'core_mnet'), $options);
$mform->setDefault('sslverification', mnet_peer::SSL_HOST_AND_PEER);
$mform->addHelpButton('sslverification', 'sslverification', 'core_mnet');
$themes = array('' => get_string('forceno'));
foreach (array_keys(core_component::get_plugin_list('theme')) as $themename) {
$themes[$themename] = get_string('pluginname', 'theme_'.$themename);
}
$mform->addElement('select', 'theme', get_string('forcetheme'), $themes);
$mform->addElement('textarea', 'public_key', get_string('publickey', 'mnet'), array('rows' => 17, 'cols' => 100, 'class' => 'smalltext'));
$mform->setType('public_key', PARAM_PEM);
$mform->addRule('public_key', get_string('required'), 'required');
// finished with form controls, now the static informational stuff
if ($mnet_peer && !empty($mnet_peer->bootstrapped)) {
$expires = '';
if ($mnet_peer->public_key_expires < time()) {
$expires = get_string('expired', 'mnet') . ' ';
}
$expires .= userdate($mnet_peer->public_key_expires);
$mform->addElement('static', 'validuntil', get_string('expires', 'mnet'), $expires);
$lastconnect = '';
if ($mnet_peer->last_connect_time == 0) {
$lastconnect = get_string('never', 'mnet');
} else {
$lastconnect = date('H:i:s d/m/Y',$mnet_peer->last_connect_time);
}
$mform->addElement('static', 'lastconnect', get_string('last_connect_time', 'mnet'), $lastconnect);
$mform->addElement('static', 'ipaddress', get_string('ipaddress', 'mnet'), $mnet_peer->ip_address);
if (isset($mnet_peer->currentkey)) { // key being published is not the same as our records
$currentkeystr = '<b>' . get_string('keymismatch', 'mnet') . '</b><br /><br /> ' . $OUTPUT->box('<pre>' . $mnet_peer->currentkey . '</pre>');
$mform->addElement('static', 'keymismatch', get_string('currentkey', 'mnet'), $currentkeystr);
}
$credstr = '';
if ($credentials = $mnet_peer->check_credentials($mnet_peer->public_key)) {
foreach($credentials['subject'] as $key => $credential) {
if (is_scalar($credential)) {
$credstr .= str_pad($key, 16, " ", STR_PAD_LEFT).': '.$credential."\n";
} else {
$credstr .= str_pad($key, 16, " ", STR_PAD_LEFT).': '.var_export($credential,1)."\n";
}
}
}
$mform->addElement('static', 'certdetails', get_string('certdetails', 'mnet'),
$OUTPUT->box('<pre>' . $credstr . '</pre>', 'generalbox certdetails'));
}
if ($mnet_peer && !empty($mnet_peer->deleted)) {
$radioarray = array();
$radioarray[] = $mform->createElement('static', 'deletedinfo', '',
$OUTPUT->container(get_string('deletedhostinfo', 'mnet'), 'alert alert-warning'));
$radioarray[] = $mform->createElement('radio', 'deleted', '', get_string('yes'), 1);
$radioarray[] = $mform->createElement('radio', 'deleted', '', get_string('no'), 0);
$mform->addGroup($radioarray, 'radioar', get_string('deleted'), array(' ', ' '), false);
} else {
$mform->addElement('hidden', 'deleted');
$mform->setType('deleted', PARAM_BOOL);
}
// finished with static stuff, print save button
$this->add_action_buttons(false);
}
function validation($data, $files) {
$errors = array();
if ($data['oldpublickey'] == $data['public_key']) {
return;
}
$mnet_peer = new mnet_peer(); // idiotic api
$mnet_peer->wwwroot = $data['wwwroot']; // just hard-set this rather than bootstrap the object
if (empty($data['public_key'])) {
$errors['public_key'] = get_string('publickeyrequired', 'mnet');
} else if (!$credentials = $mnet_peer->check_credentials($data['public_key'])) {
$errmsg = '';
foreach ($mnet_peer->error as $err) {
$errmsg .= $err['code'] . ': ' . $err['text'].'<br />';
}
$errors['public_key'] = get_string('invalidpubkey', 'mnet', $errmsg);
}
unset($mnet_peer);
return $errors;
}
}