<?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/>.

/**

* Main administration script.

*

* @package core

* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)

* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

*/

// Check that config.php exists, if not then call the install script

if (!file_exists('../config.php')) {

header('Location: ../install.php');

die();

}

// Check that PHP is of a sufficient version as soon as possible.

require_once(__DIR__.'/../lib/phpminimumversionlib.php');

moodle_require_minimum_php_version();

// make sure iconv is available and actually works

if (!function_exists('iconv')) {

// this should not happen, this must be very borked install

echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';

die();

}

// Make sure php5-json is available.

if (!function_exists('json_encode') || !function_exists('json_decode')) {

// This also shouldn't happen.

echo 'Moodle requires the json PHP extension. Please install or enable the json extension.';

die();

}

// Make sure xml extension is available.

if (!extension_loaded('xml')) {

echo 'Moodle requires the xml PHP extension. Please install or enable the xml extension.';

die();

}

define('NO_OUTPUT_BUFFERING', true);

if (isset($_POST['upgradekey'])) {

// Before you start reporting issues about the collision attacks against

// SHA-1, you should understand that we are not actually attempting to do

// any cryptography here. This is hashed purely so that the key is not

// that apparent in the address bar itself. Anyone who catches the HTTP

// traffic can immediately use it as a valid admin key.

header('Location: index.php?cache=0&upgradekeyhash='.sha1($_POST['upgradekey']));

die();

}

if ((isset($_GET['cache']) and $_GET['cache'] === '0')

or (isset($_POST['cache']) and $_POST['cache'] === '0')

or (!isset($_POST['cache']) and !isset($_GET['cache']) and empty($_GET['sesskey']) and empty($_POST['sesskey']))) {

// Prevent caching at all cost when visiting this page directly,

// we redirect to self once we known no upgrades are necessary.

// Note: $_GET and $_POST are used here intentionally because our param cleaning is not loaded yet.

// Note2: the sesskey is present in all block editing hacks, we can not redirect there, so enable caching.

define('CACHE_DISABLE_ALL', true);

// Force OPcache reset if used, we do not want any stale caches

// when detecting if upgrade necessary or when running upgrade.

if (function_exists('opcache_reset')) {

opcache_reset();

}

$cache = 0;

} else {

$cache = 1;

}

require('../config.php');

// Invalidate the cache of version.php in any circumstances to help core_component

// detecting if the version has changed and component cache should be reset.

if (function_exists('opcache_invalidate')) {

opcache_invalidate($CFG->dirroot . '/version.php', true);

}

// Make sure the component cache gets rebuilt if necessary, any method that

// indirectly calls the protected init() method is good here.

core_component::get_core_subsystems();

if (is_major_upgrade_required() && isloggedin()) {

// A major upgrade is required.

// Terminate the session and redirect back here before anything DB-related happens.

redirect_if_major_upgrade_required();

}

require_once($CFG->libdir.'/adminlib.php'); // various admin-only functions

require_once($CFG->libdir.'/upgradelib.php'); // general upgrade/install related functions

$confirmupgrade = optional_param('confirmupgrade', 0, PARAM_BOOL); // Core upgrade confirmed?

$confirmrelease = optional_param('confirmrelease', 0, PARAM_BOOL); // Core release info and server checks confirmed?

$confirmplugins = optional_param('confirmplugincheck', 0, PARAM_BOOL); // Plugins check page confirmed?

$showallplugins = optional_param('showallplugins', 0, PARAM_BOOL); // Show all plugins on the plugins check page?

$agreelicense = optional_param('agreelicense', 0, PARAM_BOOL); // GPL license confirmed for installation?

$fetchupdates = optional_param('fetchupdates', 0, PARAM_BOOL); // Should check for available updates?

$newaddonreq = optional_param('installaddonrequest', null, PARAM_RAW); // Plugin installation requested at moodle.org/plugins.

$upgradekeyhash = optional_param('upgradekeyhash', null, PARAM_ALPHANUM); // Hash of provided upgrade key.

$installdep = optional_param('installdep', null, PARAM_COMPONENT); // Install given missing dependency (required plugin).

$installdepx = optional_param('installdepx', false, PARAM_BOOL); // Install all missing dependencies.

$confirminstalldep = optional_param('confirminstalldep', false, PARAM_BOOL); // Installing dependencies confirmed.

$abortinstall = optional_param('abortinstall', null, PARAM_COMPONENT); // Cancel installation of the given new plugin.

$abortinstallx = optional_param('abortinstallx', null, PARAM_BOOL); // Cancel installation of all new plugins.

$confirmabortinstall = optional_param('confirmabortinstall', false, PARAM_BOOL); // Installation cancel confirmed.

$abortupgrade = optional_param('abortupgrade', null, PARAM_COMPONENT); // Cancel upgrade of the given existing plugin.

$abortupgradex = optional_param('abortupgradex', null, PARAM_BOOL); // Cancel upgrade of all upgradable plugins.

$confirmabortupgrade = optional_param('confirmabortupgrade', false, PARAM_BOOL); // Upgrade cancel confirmed.

$installupdate = optional_param('installupdate', null, PARAM_COMPONENT); // Install given available update.

$installupdateversion = optional_param('installupdateversion', null, PARAM_INT); // Version of the available update to install.

$installupdatex = optional_param('installupdatex', false, PARAM_BOOL); // Install all available plugin updates.

$confirminstallupdate = optional_param('confirminstallupdate', false, PARAM_BOOL); // Available update(s) install confirmed?

if (!empty($CFG->disableupdateautodeploy)) {

// Invalidate all requests to install plugins via the admin UI.

$newaddonreq = null;

$installdep = null;

$installdepx = false;

$abortupgrade = null;

$abortupgradex = null;

$installupdate = null;

$installupdateversion = null;

$installupdatex = false;

}

// Set up PAGE.

$url = new moodle_url('/admin/index.php');

$url->param('cache', $cache);

if (isset($upgradekeyhash)) {

$url->param('upgradekeyhash', $upgradekeyhash);

}

$PAGE->set_url($url);

unset($url);

// Are we returning from an add-on installation request at moodle.org/plugins?

if ($newaddonreq and !$cache and empty($CFG->disableupdateautodeploy)) {

$target = new moodle_url('/admin/tool/installaddon/index.php', array(

'installaddonrequest' => $newaddonreq,

'confirm' => 0));

if (!isloggedin() or isguestuser()) {

// Login and go the the add-on tool page.

$SESSION->wantsurl = $target->out();

redirect(get_login_url());

}

redirect($target);

}

$PAGE->set_pagelayout('admin'); // Set a default pagelayout

$documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';

// Check some PHP server settings

if (ini_get_bool('session.auto_start')) {

print_error('phpvaroff', 'debug', '', (object)array('name'=>'session.auto_start', 'link'=>$documentationlink));

}

if (!ini_get_bool('file_uploads')) {

print_error('phpvaron', 'debug', '', (object)array('name'=>'file_uploads', 'link'=>$documentationlink));

}

if (is_float_problem()) {

print_error('phpfloatproblem', 'admin', '', $documentationlink);

}

// Set some necessary variables during set-up to avoid PHP warnings later on this page

if (!isset($CFG->release)) {

$CFG->release = '';

}

if (!isset($CFG->version)) {

$CFG->version = '';

}

if (!isset($CFG->branch)) {

$CFG->branch = '';

}

$version = null;

$release = null;

$branch = null;

require("$CFG->dirroot/version.php"); // defines $version, $release, $branch and $maturity

$CFG->target_release = $release; // used during installation and upgrades

if (!$version or !$release) {

print_error('withoutversion', 'debug'); // without version, stop

}

if (!core_tables_exist()) {

$PAGE->set_pagelayout('maintenance');

$PAGE->set_popup_notification_allowed(false);

// fake some settings

$CFG->docroot = 'http://docs.moodle.org';

$strinstallation = get_string('installation', 'install');

// remove current session content completely

\core\session\manager::terminate_current();

if (empty($agreelicense)) {

$strlicense = get_string('license');

$PAGE->navbar->add($strlicense);

$PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);

$PAGE->set_heading($strinstallation);

$PAGE->set_cacheable(false);

$output = $PAGE->get_renderer('core', 'admin');

echo $output->install_licence_page();

die();

}

if (empty($confirmrelease)) {

require_once($CFG->libdir.'/environmentlib.php');

list($envstatus, $environment_results) = check_moodle_environment(normalize_version($release), ENV_SELECT_RELEASE);

$strcurrentrelease = get_string('currentrelease');

$PAGE->navbar->add($strcurrentrelease);

$PAGE->set_title($strinstallation);

$PAGE->set_heading($strinstallation . ' - Moodle ' . $CFG->target_release);

$PAGE->set_cacheable(false);

$output = $PAGE->get_renderer('core', 'admin');

echo $output->install_environment_page($maturity, $envstatus, $environment_results, $release);

die();

}

// check plugin dependencies

$failed = array();

if (!core_plugin_manager::instance()->all_plugins_ok($version, $failed, $CFG->branch)) {

$PAGE->navbar->add(get_string('pluginscheck', 'admin'));

$PAGE->set_title($strinstallation);

$PAGE->set_heading($strinstallation . ' - Moodle ' . $CFG->target_release);

$output = $PAGE->get_renderer('core', 'admin');

$url = new moodle_url($PAGE->url, array('agreelicense' => 1, 'confirmrelease' => 1, 'lang' => $CFG->lang));

echo $output->unsatisfied_dependencies_page($version, $failed, $url);

die();

}

unset($failed);

//TODO: add a page with list of non-standard plugins here

$strdatabasesetup = get_string('databasesetup');

upgrade_init_javascript();

$PAGE->navbar->add($strdatabasesetup);

$PAGE->set_title($strinstallation.' - Moodle '.$CFG->target_release);

$PAGE->set_heading($strinstallation);

$PAGE->set_cacheable(false);

$output = $PAGE->get_renderer('core', 'admin');

echo $output->header();

if (!$DB->setup_is_unicodedb()) {

if (!$DB->change_db_encoding()) {

// If could not convert successfully, throw error, and prevent installation

print_error('unicoderequired', 'admin');

}

}

install_core($version, true);

}

// Check version of Moodle code on disk compared with database

// and upgrade if possible.

if (!$cache) {

// Do not try to do anything fancy in non-cached mode,

// this prevents themes from fetching data from non-existent tables.

$PAGE->set_pagelayout('maintenance');

$PAGE->set_popup_notification_allowed(false);

}

$stradministration = get_string('administration');

$PAGE->set_context(context_system::instance());

if (empty($CFG->version)) {

print_error('missingconfigversion', 'debug');

}

// Detect config cache inconsistency, this happens when you switch branches on dev servers.

if ($CFG->version != $DB->get_field('config', 'value', array('name'=>'version'))) {

purge_all_caches();

redirect(new moodle_url($PAGE->url), 'Config cache inconsistency detected, resetting caches...');

}

if (!$cache and $version > $CFG->version) { // upgrade

$PAGE->set_url(new moodle_url($PAGE->url, array(

'confirmupgrade' => $confirmupgrade,

'confirmrelease' => $confirmrelease,

'confirmplugincheck' => $confirmplugins,

)));

check_upgrade_key($upgradekeyhash);

// Warning about upgrading a test site.

$testsite = false;

if (defined('BEHAT_SITE_RUNNING')) {

$testsite = 'behat';

}

if (isset($CFG->themerev)) {

// Store the themerev to restore after purging caches.

$themerev = $CFG->themerev;

}

// We purge all of MUC's caches here.

// Caches are disabled for upgrade by CACHE_DISABLE_ALL so we must set the first arg to true.

// This ensures a real config object is loaded and the stores will be purged.

// This is the only way we can purge custom caches such as memcache or APC.

// Note: all other calls to caches will still used the disabled API.

cache_helper::purge_all(true);

// We then purge the regular caches.

purge_all_caches();

if (isset($themerev)) {

// Restore the themerev

set_config('themerev', $themerev);

}

$output = $PAGE->get_renderer('core', 'admin');

if (upgrade_stale_php_files_present()) {

$PAGE->set_title($stradministration);

$PAGE->set_cacheable(false);

echo $output->upgrade_stale_php_files_page();

die();

}

if (empty($confirmupgrade)) {

$a = new stdClass();

$a->oldversion = "$CFG->release (".sprintf('%.2f', $CFG->version).")";

$a->newversion = "$release (".sprintf('%.2f', $version).")";

$strdatabasechecking = get_string('databasechecking', '', $a);

$PAGE->set_title($stradministration);

$PAGE->set_heading($strdatabasechecking);

$PAGE->set_cacheable(false);

echo $output->upgrade_confirm_page($a->newversion, $maturity, $testsite);

die();

} else if (empty($confirmrelease)){

require_once($CFG->libdir.'/environmentlib.php');

list($envstatus, $environment_results) = check_moodle_environment($release, ENV_SELECT_RELEASE);

$strcurrentrelease = get_string('currentrelease');

$PAGE->navbar->add($strcurrentrelease);

$PAGE->set_title($strcurrentrelease);

$PAGE->set_heading($strcurrentrelease);

$PAGE->set_cacheable(false);

echo $output->upgrade_environment_page($release, $envstatus, $environment_results);

die();

} else if (empty($confirmplugins)) {

$strplugincheck = get_string('plugincheck');

$PAGE->navbar->add($strplugincheck);

$PAGE->set_title($strplugincheck);

$PAGE->set_heading($strplugincheck);

$PAGE->set_cacheable(false);

$pluginman = core_plugin_manager::instance();

// Check for available updates.

if ($fetchupdates) {

// No sesskey support guaranteed here, because sessions might not work yet.

$updateschecker = \core\update\checker::instance();

if ($updateschecker->enabled()) {

$updateschecker->fetch();

}

redirect($PAGE->url);

}

// Cancel all plugin installations.

if ($abortinstallx) {

// No sesskey support guaranteed here, because sessions might not work yet.

$abortables = $pluginman->list_cancellable_installations();

if ($abortables) {

if ($confirmabortinstall) {

foreach ($abortables as $plugin) {

$pluginman->cancel_plugin_installation($plugin->component);

}

redirect($PAGE->url);

} else {

$continue = new moodle_url($PAGE->url, array('abortinstallx' => $abortinstallx, 'confirmabortinstall' => 1));

echo $output->upgrade_confirm_abort_install_page($abortables, $continue);

die();

}

}

redirect($PAGE->url);

}

// Cancel single plugin installation.

if ($abortinstall) {

// No sesskey support guaranteed here, because sessions might not work yet.

if ($confirmabortinstall) {

$pluginman->cancel_plugin_installation($abortinstall);

redirect($PAGE->url);

} else {

$continue = new moodle_url($PAGE->url, array('abortinstall' => $abortinstall, 'confirmabortinstall' => 1));

$abortable = $pluginman->get_plugin_info($abortinstall);

if ($pluginman->can_cancel_plugin_installation($abortable)) {

echo $output->upgrade_confirm_abort_install_page(array($abortable), $continue);

die();

}

redirect($PAGE->url);

}

}

// Cancel all plugins upgrades (that is, restore archived versions).

if ($abortupgradex) {

// No sesskey support guaranteed here, because sessions might not work yet.

$restorable = $pluginman->list_restorable_archives();

if ($restorable) {

upgrade_install_plugins($restorable, $confirmabortupgrade,

get_string('cancelupgradehead', 'core_plugin'),

new moodle_url($PAGE->url, array('abortupgradex' => 1, 'confirmabortupgrade' => 1))

);

}

redirect($PAGE->url);

}

// Cancel single plugin upgrade (that is, install the archived version).

if ($abortupgrade) {

// No sesskey support guaranteed here, because sessions might not work yet.

$restorable = $pluginman->list_restorable_archives();

if (isset($restorable[$abortupgrade])) {

$restorable = array($restorable[$abortupgrade]);

upgrade_install_plugins($restorable, $confirmabortupgrade,

get_string('cancelupgradehead', 'core_plugin'),

new moodle_url($PAGE->url, array('abortupgrade' => $abortupgrade, 'confirmabortupgrade' => 1))

);

}

redirect($PAGE->url);

}

// Install all available missing dependencies.

if ($installdepx) {

// No sesskey support guaranteed here, because sessions might not work yet.

$installable = $pluginman->filter_installable($pluginman->missing_dependencies(true));

upgrade_install_plugins($installable, $confirminstalldep,

get_string('dependencyinstallhead', 'core_plugin'),

new moodle_url($PAGE->url, array('installdepx' => 1, 'confirminstalldep' => 1))

);

}

// Install single available missing dependency.

if ($installdep) {

// No sesskey support guaranteed here, because sessions might not work yet.

$installable = $pluginman->filter_installable($pluginman->missing_dependencies(true));

if (!empty($installable[$installdep])) {

$installable = array($installable[$installdep]);

upgrade_install_plugins($installable, $confirminstalldep,

get_string('dependencyinstallhead', 'core_plugin'),

new moodle_url($PAGE->url, array('installdep' => $installdep, 'confirminstalldep' => 1))

);

}

}

// Install all available updates.

if ($installupdatex) {

// No sesskey support guaranteed here, because sessions might not work yet.

$installable = $pluginman->filter_installable($pluginman->available_updates());

upgrade_install_plugins($installable, $confirminstallupdate,

get_string('updateavailableinstallallhead', 'core_admin'),

new moodle_url($PAGE->url, array('installupdatex' => 1, 'confirminstallupdate' => 1))

);

}

// Install single available update.

if ($installupdate and $installupdateversion) {

// No sesskey support guaranteed here, because sessions might not work yet.

if ($pluginman->is_remote_plugin_installable($installupdate, $installupdateversion)) {

$installable = array($pluginman->get_remote_plugin_info($installupdate, $installupdateversion, true));

upgrade_install_plugins($installable, $confirminstallupdate,

get_string('updateavailableinstallallhead', 'core_admin'),

new moodle_url($PAGE->url, array('installupdate' => $installupdate,

'installupdateversion' => $installupdateversion, 'confirminstallupdate' => 1)

)

);

}

}

echo $output->upgrade_plugin_check_page(core_plugin_manager::instance(), \core\update\checker::instance(),

$version, $showallplugins, $PAGE->url, new moodle_url($PAGE->url, array('confirmplugincheck' => 1)));

die();

} else {

// Always verify plugin dependencies!

$failed = array();

if (!core_plugin_manager::instance()->all_plugins_ok($version, $failed, $CFG->branch)) {

echo $output->unsatisfied_dependencies_page($version, $failed, $PAGE->url);

die();

}

unset($failed);

// Launch main upgrade.

upgrade_core($version, true);

}

} else if ($version < $CFG->version) {

// better stop here, we can not continue with plugin upgrades or anything else

throw new moodle_exception('downgradedcore', 'error', new moodle_url('/admin/'));

}

// Updated human-readable release version if necessary

if (!$cache and $release <> $CFG->release) { // Update the release version

set_config('release', $release);

}

if (!$cache and $branch <> $CFG->branch) { // Update the branch

set_config('branch', $branch);

}

if (!$cache and moodle_needs_upgrading()) {

$PAGE->set_url(new moodle_url($PAGE->url, array('confirmplugincheck' => $confirmplugins)));

check_upgrade_key($upgradekeyhash);

if (!$PAGE->headerprinted) {

// means core upgrade or installation was not already done

$pluginman = core_plugin_manager::instance();

$output = $PAGE->get_renderer('core', 'admin');

if (!$confirmplugins) {

$strplugincheck = get_string('plugincheck');

$PAGE->navbar->add($strplugincheck);

$PAGE->set_title($strplugincheck);

$PAGE->set_heading($strplugincheck);

$PAGE->set_cacheable(false);

// Check for available updates.

if ($fetchupdates) {

require_sesskey();

$updateschecker = \core\update\checker::instance();

if ($updateschecker->enabled()) {

$updateschecker->fetch();

}

redirect($PAGE->url);

}

// Cancel all plugin installations.

if ($abortinstallx) {

require_sesskey();

$abortables = $pluginman->list_cancellable_installations();

if ($abortables) {

if ($confirmabortinstall) {

foreach ($abortables as $plugin) {

$pluginman->cancel_plugin_installation($plugin->component);

}

redirect($PAGE->url);

} else {

$continue = new moodle_url($PAGE->url, array('abortinstallx' => $abortinstallx,

'confirmabortinstall' => 1));

echo $output->upgrade_confirm_abort_install_page($abortables, $continue);

die();

}

}

redirect($PAGE->url);

}

// Cancel single plugin installation.

if ($abortinstall) {

require_sesskey();

if ($confirmabortinstall) {

$pluginman->cancel_plugin_installation($abortinstall);

redirect($PAGE->url);

} else {

$continue = new moodle_url($PAGE->url, array('abortinstall' => $abortinstall, 'confirmabortinstall' => 1));

$abortable = $pluginman->get_plugin_info($abortinstall);

if ($pluginman->can_cancel_plugin_installation($abortable)) {

echo $output->upgrade_confirm_abort_install_page(array($abortable), $continue);

die();

}

redirect($PAGE->url);

}

}

// Cancel all plugins upgrades (that is, restore archived versions).

if ($abortupgradex) {

require_sesskey();

$restorable = $pluginman->list_restorable_archives();

if ($restorable) {

upgrade_install_plugins($restorable, $confirmabortupgrade,

get_string('cancelupgradehead', 'core_plugin'),

new moodle_url($PAGE->url, array('abortupgradex' => 1, 'confirmabortupgrade' => 1))

);

}

redirect($PAGE->url);

}

// Cancel single plugin upgrade (that is, install the archived version).

if ($abortupgrade) {

require_sesskey();

$restorable = $pluginman->list_restorable_archives();

if (isset($restorable[$abortupgrade])) {

$restorable = array($restorable[$abortupgrade]);

upgrade_install_plugins($restorable, $confirmabortupgrade,

get_string('cancelupgradehead', 'core_plugin'),

new moodle_url($PAGE->url, array('abortupgrade' => $abortupgrade, 'confirmabortupgrade' => 1))

);

}

redirect($PAGE->url);

}

// Install all available missing dependencies.

if ($installdepx) {

require_sesskey();

$installable = $pluginman->filter_installable($pluginman->missing_dependencies(true));

upgrade_install_plugins($installable, $confirminstalldep,

get_string('dependencyinstallhead', 'core_plugin'),

new moodle_url($PAGE->url, array('installdepx' => 1, 'confirminstalldep' => 1))

);

}

// Install single available missing dependency.

if ($installdep) {

require_sesskey();

$installable = $pluginman->filter_installable($pluginman->missing_dependencies(true));

if (!empty($installable[$installdep])) {

$installable = array($installable[$installdep]);

upgrade_install_plugins($installable, $confirminstalldep,

get_string('dependencyinstallhead', 'core_plugin'),

new moodle_url($PAGE->url, array('installdep' => $installdep, 'confirminstalldep' => 1))

);

}

}

// Install all available updates.

if ($installupdatex) {

require_sesskey();

$installable = $pluginman->filter_installable($pluginman->available_updates());

upgrade_install_plugins($installable, $confirminstallupdate,

get_string('updateavailableinstallallhead', 'core_admin'),

new moodle_url($PAGE->url, array('installupdatex' => 1, 'confirminstallupdate' => 1))

);

}

// Install single available update.

if ($installupdate and $installupdateversion) {

require_sesskey();

if ($pluginman->is_remote_plugin_installable($installupdate, $installupdateversion)) {

$installable = array($pluginman->get_remote_plugin_info($installupdate, $installupdateversion, true));

upgrade_install_plugins($installable, $confirminstallupdate,

get_string('updateavailableinstallallhead', 'core_admin'),

new moodle_url($PAGE->url, array('installupdate' => $installupdate,

'installupdateversion' => $installupdateversion, 'confirminstallupdate' => 1)

)

);

}

}

// Show plugins info.

echo $output->upgrade_plugin_check_page($pluginman, \core\update\checker::instance(),

$version, $showallplugins,

new moodle_url($PAGE->url),

new moodle_url($PAGE->url, array('confirmplugincheck' => 1, 'cache' => 0)));

die();

}

// Make sure plugin dependencies are always checked.

$failed = array();

if (!$pluginman->all_plugins_ok($version, $failed, $CFG->branch)) {

$output = $PAGE->get_renderer('core', 'admin');

echo $output->unsatisfied_dependencies_page($version, $failed, $PAGE->url);

die();

}

unset($failed);

}

// install/upgrade all plugins and other parts

upgrade_noncore(true);

}

// If this is the first install, indicate that this site is fully configured

// except the admin password

if (during_initial_install()) {

set_config('rolesactive', 1); // after this, during_initial_install will return false.

set_config('adminsetuppending', 1);

set_config('registrationpending', 1); // Remind to register site after all other setup is finished.

// we need this redirect to setup proper session

upgrade_finished("index.php?sessionstarted=1&amp;lang=$CFG->lang");

}

// make sure admin user is created - this is the last step because we need

// session to be working properly in order to edit admin account

if (!empty($CFG->adminsetuppending)) {

$sessionstarted = optional_param('sessionstarted', 0, PARAM_BOOL);

if (!$sessionstarted) {

redirect("index.php?sessionstarted=1&lang=$CFG->lang");

} else {

$sessionverify = optional_param('sessionverify', 0, PARAM_BOOL);

if (!$sessionverify) {

$SESSION->sessionverify = 1;

redirect("index.php?sessionstarted=1&sessionverify=1&lang=$CFG->lang");

} else {

if (empty($SESSION->sessionverify)) {

print_error('installsessionerror', 'admin', "index.php?sessionstarted=1&lang=$CFG->lang");

}

unset($SESSION->sessionverify);

}

}

// Cleanup SESSION to make sure other code does not complain in the future.

unset($SESSION->has_timed_out);

unset($SESSION->wantsurl);

// at this stage there can be only one admin unless more were added by install - users may change username, so do not rely on that

$adminids = explode(',', $CFG->siteadmins);

$adminuser = get_complete_user_data('id', reset($adminids));

if ($adminuser->password === 'adminsetuppending') {

// prevent installation hijacking

if ($adminuser->lastip !== getremoteaddr()) {

print_error('installhijacked', 'admin');

}

// login user and let him set password and admin details

$adminuser->newadminuser = 1;

complete_user_login($adminuser);

redirect("$CFG->wwwroot/user/editadvanced.php?id=$adminuser->id"); // Edit thyself

} else {

unset_config('adminsetuppending');

}

} else {

// just make sure upgrade logging is properly terminated

upgrade_finished('upgradesettings.php');

}

if (has_capability('moodle/site:config', context_system::instance())) {

if ($fetchupdates) {

require_sesskey();

$updateschecker = \core\update\checker::instance();

if ($updateschecker->enabled()) {

$updateschecker->fetch();

}

redirect(new moodle_url('/admin/index.php', array('cache' => 0)));

}

}

// Now we can be sure everything was upgraded and caches work fine,

// redirect if necessary to make sure caching is enabled.

if (!$cache) {

redirect(new moodle_url('/admin/index.php', array('cache' => 1)));

}

// Check for valid admin user - no guest autologin

require_login(0, false);

if (isguestuser()) {

// Login as real user!

$SESSION->wantsurl = (string)new moodle_url('/admin/index.php');

redirect(get_login_url());

}

$context = context_system::instance();

if (!has_capability('moodle/site:config', $context)) {

// Do not throw exception display an empty page with administration menu if visible for current user.

$PAGE->set_title($SITE->fullname);

$PAGE->set_heading($SITE->fullname);

echo $OUTPUT->header();

echo $OUTPUT->footer();

exit;

}

// check that site is properly customized

$site = get_site();

if (empty($site->shortname)) {

// probably new installation - lets return to frontpage after this step

// remove settings that we want uninitialised

unset_config('registerauth');

unset_config('timezone'); // Force admin to select timezone!

redirect('upgradesettings.php?return=site');

}

// setup critical warnings before printing admin tree block

$insecuredataroot = is_dataroot_insecure(true);

$SESSION->admin_critical_warning = ($insecuredataroot==INSECURE_DATAROOT_ERROR);

$adminroot = admin_get_root();

// Check if there are any new admin settings which have still yet to be set

if (any_new_admin_settings($adminroot)){

redirect('upgradesettings.php');

}

// Return to original page that started the plugin uninstallation if necessary.

if (isset($SESSION->pluginuninstallreturn)) {

$return = $SESSION->pluginuninstallreturn;

unset($SESSION->pluginuninstallreturn);

if ($return) {

redirect($return);

}

}

// If site registration needs updating, redirect.

\core\hub\registration::registration_reminder('/admin/index.php');

// Everything should now be set up, and the user is an admin

// Print default admin page with notifications.

$errorsdisplayed = defined('WARN_DISPLAY_ERRORS_ENABLED');

$lastcron = get_config('tool_task', 'lastcronstart');

$cronoverdue = ($lastcron < time() - 3600 * 24);

$lastcroninterval = get_config('tool_task', 'lastcroninterval');

$expectedfrequency = $CFG->expectedcronfrequency ?? 200;

$croninfrequent = !$cronoverdue && ($lastcroninterval > $expectedfrequency || $lastcron < time() - $expectedfrequency);

$dbproblems = $DB->diagnose();

$maintenancemode = !empty($CFG->maintenance_enabled);

// Available updates for Moodle core.

$updateschecker = \core\update\checker::instance();

$availableupdates = array();

$availableupdatesfetch = null;

if ($updateschecker->enabled()) {

// Only compute the update information when it is going to be displayed to the user.

$availableupdates['core'] = $updateschecker->get_update_info('core',

array('minmaturity' => $CFG->updateminmaturity, 'notifybuilds' => $CFG->updatenotifybuilds));

// Available updates for contributed plugins

$pluginman = core_plugin_manager::instance();

foreach ($pluginman->get_plugins() as $plugintype => $plugintypeinstances) {

foreach ($plugintypeinstances as $pluginname => $plugininfo) {

$pluginavailableupdates = $plugininfo->available_updates();

if (!empty($pluginavailableupdates)) {

foreach ($pluginavailableupdates as $pluginavailableupdate) {

if (!isset($availableupdates[$plugintype.'_'.$pluginname])) {

$availableupdates[$plugintype.'_'.$pluginname] = array();

}

$availableupdates[$plugintype.'_'.$pluginname][] = $pluginavailableupdate;

}

}

}

}

// The timestamp of the most recent check for available updates

$availableupdatesfetch = $updateschecker->get_last_timefetched();

}

$buggyiconvnomb = (!function_exists('mb_convert_encoding') and @iconv('UTF-8', 'UTF-8//IGNORE', '100'.chr(130).'€') !== '100€');

//check if the site is registered on Moodle.org

$registered = \core\hub\registration::is_registered();

// Check if there are any cache warnings.

$cachewarnings = cache_helper::warnings();

// Check if there are events 1 API handlers.

$eventshandlers = $DB->get_records_sql('SELECT DISTINCT component FROM {events_handlers}');

$themedesignermode = !empty($CFG->themedesignermode);

$mobileconfigured = !empty($CFG->enablemobilewebservice);

$invalidforgottenpasswordurl = !empty($CFG->forgottenpasswordurl) && empty(clean_param($CFG->forgottenpasswordurl, PARAM_URL));

// Check if a directory with development libraries exists.

if (empty($CFG->disabledevlibdirscheck) && (is_dir($CFG->dirroot.'/vendor') || is_dir($CFG->dirroot.'/node_modules'))) {

$devlibdir = true;

} else {

$devlibdir = false;

}

// Check if the site is being foced onto ssl.

$overridetossl = !empty($CFG->overridetossl);

admin_externalpage_setup('adminnotifications');

$output = $PAGE->get_renderer('core', 'admin');

echo $output->admin_notifications_page($maturity, $insecuredataroot, $errorsdisplayed, $cronoverdue, $dbproblems,

$maintenancemode, $availableupdates, $availableupdatesfetch, $buggyiconvnomb,

$registered, $cachewarnings, $eventshandlers, $themedesignermode, $devlibdir,

$mobileconfigured, $overridetossl, $invalidforgottenpasswordurl, $croninfrequent);