moodle/admin/tool/mobile/classes/api.php

233 lines
8.7 KiB
PHP

<?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/>.
/**
* Class for Moodle Mobile tools.
*
* @package tool_mobile
* @copyright 2016 Juan Leyva
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.1
*/
namespace tool_mobile;
use core_component;
use core_plugin_manager;
use context_system;
use moodle_url;
use moodle_exception;
/**
* API exposed by tool_mobile
*
* @copyright 2016 Juan Leyva
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.1
*/
class api {
/** @var int to identify the login via app. */
const LOGIN_VIA_APP = 1;
/** @var int to identify the login via browser. */
const LOGIN_VIA_BROWSER = 2;
/** @var int to identify the login via an embedded browser. */
const LOGIN_VIA_EMBEDDED_BROWSER = 3;
/** @var int seconds an auto-login key will expire. */
const LOGIN_KEY_TTL = 60;
/**
* Returns a list of Moodle plugins supporting the mobile app.
*
* @return array an array of objects containing the plugin information
*/
public static function get_plugins_supporting_mobile() {
global $CFG;
require_once($CFG->libdir . '/adminlib.php');
$pluginsinfo = [];
$plugintypes = core_component::get_plugin_types();
foreach ($plugintypes as $plugintype => $unused) {
// We need to include files here.
$pluginswithfile = core_component::get_plugin_list_with_file($plugintype, 'db' . DIRECTORY_SEPARATOR . 'mobile.php');
foreach ($pluginswithfile as $plugin => $notused) {
$path = core_component::get_plugin_directory($plugintype, $plugin);
$component = $plugintype . '_' . $plugin;
$version = get_component_version($component);
require_once("$path/db/mobile.php");
foreach ($addons as $addonname => $addoninfo) {
$plugininfo = array(
'component' => $component,
'version' => $version,
'addon' => $addonname,
'dependencies' => !empty($addoninfo['dependencies']) ? $addoninfo['dependencies'] : array(),
'fileurl' => '',
'filehash' => '',
'filesize' => 0
);
// All the mobile packages must be under the plugin mobile directory.
$package = $path . DIRECTORY_SEPARATOR . 'mobile' . DIRECTORY_SEPARATOR . $addonname . '.zip';
if (file_exists($package)) {
$plugininfo['fileurl'] = $CFG->wwwroot . '' . str_replace($CFG->dirroot, '', $package);
$plugininfo['filehash'] = sha1_file($package);
$plugininfo['filesize'] = filesize($package);
}
$pluginsinfo[] = $plugininfo;
}
}
}
return $pluginsinfo;
}
/**
* Returns a list of the site public settings, those not requiring authentication.
*
* @return array with the settings and warnings
*/
public static function get_public_config() {
global $CFG, $SITE, $PAGE, $OUTPUT;
$context = context_system::instance();
// We need this to make work the format text functions.
$PAGE->set_context($context);
$settings = array(
'wwwroot' => $CFG->wwwroot,
'httpswwwroot' => $CFG->httpswwwroot,
'sitename' => external_format_string($SITE->fullname, $context->id, true),
'guestlogin' => $CFG->guestloginbutton,
'rememberusername' => $CFG->rememberusername,
'authloginviaemail' => $CFG->authloginviaemail,
'registerauth' => $CFG->registerauth,
'forgottenpasswordurl' => $CFG->forgottenpasswordurl,
'authinstructions' => format_text($CFG->auth_instructions),
'authnoneenabled' => (int) is_enabled_auth('none'),
'enablewebservices' => $CFG->enablewebservices,
'enablemobilewebservice' => $CFG->enablemobilewebservice,
'maintenanceenabled' => $CFG->maintenance_enabled,
'maintenancemessage' => format_text($CFG->maintenance_message),
);
$typeoflogin = get_config('tool_mobile', 'typeoflogin');
// Not found, edge case.
if ($typeoflogin === false) {
$typeoflogin = self::LOGIN_VIA_APP; // Defaults to via app.
}
$settings['typeoflogin'] = $typeoflogin;
if ($typeoflogin == self::LOGIN_VIA_BROWSER or
$typeoflogin == self::LOGIN_VIA_EMBEDDED_BROWSER) {
$url = new moodle_url("/$CFG->admin/tool/mobile/launch.php");
$settings['launchurl'] = $url->out(false);
}
if ($logourl = $OUTPUT->get_logo_url()) {
$settings['logourl'] = $logourl->out(false);
}
if ($compactlogourl = $OUTPUT->get_compact_logo_url()) {
$settings['compactlogourl'] = $compactlogourl->out(false);
}
return $settings;
}
/**
* Returns a list of site configurations, filtering by section.
*
* @param string $section section name
* @return stdClass object containing the settings
*/
public static function get_config($section) {
global $CFG, $SITE;
$settings = new \stdClass;
$context = context_system::instance();
$isadmin = has_capability('moodle/site:config', $context);
if (empty($section) or $section == 'frontpagesettings') {
require_once($CFG->dirroot . '/course/format/lib.php');
// First settings that anyone can deduce.
$settings->fullname = $SITE->fullname;
$settings->shortname = $SITE->shortname;
$settings->summary = $SITE->summary;
$settings->frontpage = $CFG->frontpage;
$settings->frontpageloggedin = $CFG->frontpageloggedin;
$settings->maxcategorydepth = $CFG->maxcategorydepth;
$settings->frontpagecourselimit = $CFG->frontpagecourselimit;
$settings->numsections = course_get_format($SITE)->get_course()->numsections;
$settings->newsitems = $SITE->newsitems;
$settings->commentsperpage = $CFG->commentsperpage;
// Now, admin settings.
if ($isadmin) {
$settings->defaultfrontpageroleid = $CFG->defaultfrontpageroleid;
}
}
if (empty($section) or $section == 'sitepolicies') {
$settings->disableuserimages = $CFG->disableuserimages;
}
if (empty($section) or $section == 'gradessettings') {
require_once($CFG->dirroot . '/user/lib.php');
$settings->mygradesurl = user_mygrades_url()->out(false);
}
return $settings;
}
/*
* Check if all the required conditions are met to allow the auto-login process continue.
*
* @param int $userid current user id
* @since Moodle 3.2
* @throws moodle_exception
*/
public static function check_autologin_prerequisites($userid) {
global $CFG;
if (!$CFG->enablewebservices or !$CFG->enablemobilewebservice) {
throw new moodle_exception('enablewsdescription', 'webservice');
}
if (!is_https()) {
throw new moodle_exception('httpsrequired', 'tool_mobile');
}
if (has_capability('moodle/site:config', context_system::instance(), $userid) or is_siteadmin($userid)) {
throw new moodle_exception('autologinnotallowedtoadmins', 'tool_mobile');
}
}
/**
* Creates an auto-login key for the current user, this key is restricted by time and ip address.
*
* @return string the key
* @since Moodle 3.2
*/
public static function get_autologin_key() {
global $USER;
// Delete previous keys.
delete_user_key('tool_mobile', $USER->id);
// Create a new key.
$iprestriction = getremoteaddr();
$validuntil = time() + self::LOGIN_KEY_TTL;
return create_user_key('tool_mobile', $USER->id, null, $iprestriction, $validuntil);
}
}