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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/>.
/**
* Privacy Subsystem implementation for auth_mnet.
*
* @package auth_mnet
* @copyright 2018 Carlos Escobedo <carlos@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace auth_mnet\privacy;
defined('MOODLE_INTERNAL') || die();
use core_privacy\local\metadata\collection;
use core_privacy\local\request\contextlist;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\transform;
use core_privacy\local\request\writer;
use core_privacy\local\request\userlist;
use core_privacy\local\request\approved_userlist;
/**
* Privacy provider for the mnet authentication
*
* @copyright 2018 Carlos Escobedo <carlos@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class provider implements
\core_privacy\local\metadata\provider,
\core_privacy\local\request\core_userlist_provider,
\core_privacy\local\request\plugin\provider {
/**
* Returns meta data about this system.
*
* @param collection $collection The initialised item collection to add items to.
* @return collection A listing of user data stored through this system.
*/
public static function get_metadata(collection $collection) : collection {
$sessionfields = [
'userid' => 'privacy:metadata:mnet_session:userid',
'username' => 'privacy:metadata:mnet_session:username',
'token' => 'privacy:metadata:mnet_session:token',
'mnethostid' => 'privacy:metadata:mnet_session:mnethostid',
'useragent' => 'privacy:metadata:mnet_session:useragent',
'expires' => 'privacy:metadata:mnet_session:expires'
];
$collection->add_database_table('mnet_session', $sessionfields, 'privacy:metadata:mnet_session');
$logfields = [
'hostid' => 'privacy:metadata:mnet_log:hostid',
'remoteid' => 'privacy:metadata:mnet_log:remoteid',
'time' => 'privacy:metadata:mnet_log:time',
'userid' => 'privacy:metadata:mnet_log:userid',
'ip' => 'privacy:metadata:mnet_log:ip',
'course' => 'privacy:metadata:mnet_log:course',
'coursename' => 'privacy:metadata:mnet_log:coursename',
'module' => 'privacy:metadata:mnet_log:module',
'cmid' => 'privacy:metadata:mnet_log:cmid',
'action' => 'privacy:metadata:mnet_log:action',
'url' => 'privacy:metadata:mnet_log:url',
'info' => 'privacy:metadata:mnet_log:info'
];
$collection->add_database_table('mnet_log', $logfields, 'privacy:metadata:mnet_log');
$externalfields = [
'address' => 'privacy:metadata:mnet_external:address',
'aim' => 'privacy:metadata:mnet_external:aim',
'alternatename' => 'privacy:metadata:mnet_external:alternatename',
'autosubscribe' => 'privacy:metadata:mnet_external:autosubscribe',
'calendartype' => 'privacy:metadata:mnet_external:calendartype',
'city' => 'privacy:metadata:mnet_external:city',
'country' => 'privacy:metadata:mnet_external:country',
'currentlogin' => 'privacy:metadata:mnet_external:currentlogin',
'department' => 'privacy:metadata:mnet_external:department',
'description' => 'privacy:metadata:mnet_external:description',
'email' => 'privacy:metadata:mnet_external:email',
'emailstop' => 'privacy:metadata:mnet_external:emailstop',
'firstaccess' => 'privacy:metadata:mnet_external:firstaccess',
'firstname' => 'privacy:metadata:mnet_external:firstname',
'firstnamephonetic' => 'privacy:metadata:mnet_external:firstnamephonetic',
'icq' => 'privacy:metadata:mnet_external:icq',
'id' => 'privacy:metadata:mnet_external:id',
'idnumber' => 'privacy:metadata:mnet_external:idnumber',
'imagealt' => 'privacy:metadata:mnet_external:imagealt',
'institution' => 'privacy:metadata:mnet_external:institution',
'lang' => 'privacy:metadata:mnet_external:lang',
'lastaccess' => 'privacy:metadata:mnet_external:lastaccess',
'lastlogin' => 'privacy:metadata:mnet_external:lastlogin',
'lastname' => 'privacy:metadata:mnet_external:lastname',
'lastnamephonetic' => 'privacy:metadata:mnet_external:lastnamephonetic',
'maildigest' => 'privacy:metadata:mnet_external:maildigest',
'maildisplay' => 'privacy:metadata:mnet_external:maildisplay',
'middlename' => 'privacy:metadata:mnet_external:middlename',
'msn' => 'privacy:metadata:mnet_external:msn',
'phone1' => 'privacy:metadata:mnet_external:phone1',
'pnone2' => 'privacy:metadata:mnet_external:phone2',
'picture' => 'privacy:metadata:mnet_external:picture',
'policyagreed' => 'privacy:metadata:mnet_external:policyagreed',
'skype' => 'privacy:metadata:mnet_external:skype',
'suspended' => 'privacy:metadata:mnet_external:suspended',
'timezone' => 'privacy:metadata:mnet_external:timezone',
'trackforums' => 'privacy:metadata:mnet_external:trackforums',
'trustbitmask' => 'privacy:metadata:mnet_external:trustbitmask',
'url' => 'privacy:metadata:mnet_external:url',
'username' => 'privacy:metadata:mnet_external:username',
'yahoo' => 'privacy:metadata:mnet_external:yahoo',
];
$collection->add_external_location_link('moodle', $externalfields, 'privacy:metadata:external:moodle');
$collection->add_external_location_link('mahara', $externalfields, 'privacy:metadata:external:mahara');
return $collection;
}
/**
* Get the list of contexts that contain user information for the specified user.
*
* @param int $userid The user to search.
* @return contextlist $contextlist The list of contexts used in this plugin.
*/
public static function get_contexts_for_userid(int $userid) : contextlist {
$sql = "SELECT ctx.id
FROM {mnet_log} ml
JOIN {context} ctx ON ctx.instanceid = ml.userid AND ctx.contextlevel = :contextlevel
WHERE ml.userid = :userid";
$params = ['userid' => $userid, 'contextlevel' => CONTEXT_USER];
$contextlist = new contextlist();
$contextlist->add_from_sql($sql, $params);
return $contextlist;
}
/**
* Get the list of users within a specific context.
*
* @param userlist $userlist The userlist containing the list of users who have data in this context/plugin combination.
*/
public static function get_users_in_context(userlist $userlist) {
$context = $userlist->get_context();
if (!$context instanceof \context_user) {
return;
}
$sql = "SELECT userid
FROM {mnet_log}
WHERE userid = ?";
$params = [$context->instanceid];
$userlist->add_from_sql('userid', $sql, $params);
}
/**
* Export all user data for the specified user, in the specified contexts, using the supplied exporter instance.
*
* @param approved_contextlist $contextlist The approved contexts to export information for.
*/
public static function export_user_data(approved_contextlist $contextlist) {
global $DB;
$context = \context_user::instance($contextlist->get_user()->id);
$sql = "SELECT ml.id, mh.wwwroot, mh.name, ml.remoteid, ml.time, ml.userid, ml.ip, ml.course,
ml.coursename, ml.module, ml.cmid, ml.action, ml.url, ml.info
FROM {mnet_log} ml
JOIN {mnet_host} mh ON mh.id = ml.hostid
WHERE ml.userid = :userid
ORDER BY mh.name, ml.coursename";
$params = ['userid' => $contextlist->get_user()->id];
$data = [];
$lastcourseid = null;
$logentries = $DB->get_recordset_sql($sql, $params);
foreach ($logentries as $logentry) {
$item = (object) [
'time' => transform::datetime($logentry->time),
'remoteid' => $logentry->remoteid,
'ip' => $logentry->ip,
'course' => $logentry->course,
'coursename' => format_string($logentry->coursename),
'module' => $logentry->module,
'cmid' => $logentry->cmid,
'action' => $logentry->action,
'url' => $logentry->url,
'info' => format_string($logentry->info)
];
$item->externalhost =
($logentry->name == '') ? preg_replace('#^https?://#', '', $logentry->wwwroot) :
preg_replace('#^https?://#', '', $logentry->name);
if ($lastcourseid && $lastcourseid != $logentry->course) {
$path = [get_string('pluginname', 'auth_mnet'), $data[0]->externalhost, $data[0]->coursename];
writer::with_context($context)->export_data($path, (object) $data);
$data = [];
}
$data[] = $item;
$lastcourseid = $logentry->course;
}
$logentries->close();
$path = [get_string('pluginname', 'auth_mnet'), $item->externalhost, $item->coursename];
writer::with_context($context)->export_data($path, (object) $data);
}
/**
* Delete all personal data for all users in the specified context.
*
* @param context $context Context to delete data from.
*/
public static function delete_data_for_all_users_in_context(\context $context) {
global $DB;
if ($context->contextlevel != CONTEXT_USER) {
return;
}
$DB->delete_records('mnet_log', ['userid' => $context->instanceid]);
}
/**
* Delete multiple users within a single context.
*
* @param approved_userlist $userlist The approved context and user information to delete information for.
*/
public static function delete_data_for_users(approved_userlist $userlist) {
global $DB;
$context = $userlist->get_context();
if ($context instanceof \context_user) {
$DB->delete_records('mnet_log', ['userid' => $context->instanceid]);
}
}
/**
* Delete all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
*/
public static function delete_data_for_user(approved_contextlist $contextlist) {
global $DB;
if (empty($contextlist->count())) {
return;
}
$userid = $contextlist->get_user()->id;
foreach ($contextlist->get_contexts() as $context) {
if ($context->contextlevel != CONTEXT_USER) {
continue;
}
if ($context->instanceid == $userid) {
// Because we only use user contexts the instance ID is the user ID.
$DB->delete_records('mnet_log', ['userid' => $context->instanceid]);
}
}
}
}