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See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
/cache/ -> admin.php (source)
<?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/>.

/**
 * The administration and management interface for the cache setup and configuration.
 *
 * This file is part of Moodle's cache API, affectionately called MUC.
 *
 * @package    core
 * @category   cache
 * @copyright  2012 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../config.php');
require_once($CFG->dirroot.'/lib/adminlib.php');
require_once($CFG->dirroot.'/cache/locallib.php');
require_once($CFG->dirroot.'/cache/forms.php');

// The first time the user visits this page we are going to reparse the definitions.
// Just ensures that everything is up to date.
// We flag is session so that this only happens once as people are likely to hit
// this page several times if making changes.
if (empty($SESSION->cacheadminreparsedefinitions)) {
    cache_helper::update_definitions();
    $SESSION->cacheadminreparsedefinitions = true;
}

$action = optional_param('action', null, PARAM_ALPHA);

admin_externalpage_setup('cacheconfig');
< $context = context_system::instance();
> $adminhelper = cache_factory::instance()->get_administration_display_helper();
< $storeinstancesummaries = cache_administration_helper::get_store_instance_summaries(); < $storepluginsummaries = cache_administration_helper::get_store_plugin_summaries(); < $definitionsummaries = cache_administration_helper::get_definition_summaries(); < $defaultmodestores = cache_administration_helper::get_default_mode_stores(); < $locks = cache_administration_helper::get_lock_summaries(); < < $title = new lang_string('cacheadmin', 'cache'); < $mform = null;
$notifications = array();
< $notifysuccess = true;
> // Empty array to hold any form information returned from actions. > $forminfo = [];
> // Handle page actions in admin helper class.
if (!empty($action) && confirm_sesskey()) {
< switch ($action) { < case 'rescandefinitions' : // Rescan definitions. < cache_config_writer::update_definitions(); < redirect($PAGE->url); < break; < case 'addstore' : // Add the requested store. < $plugin = required_param('plugin', PARAM_PLUGIN); < if (!$storepluginsummaries[$plugin]['canaddinstance']) { < print_error('ex_unmetstorerequirements', 'cache'); < } < $mform = cache_administration_helper::get_add_store_form($plugin); < $title = get_string('addstore', 'cache', $storepluginsummaries[$plugin]['name']); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $config = cache_administration_helper::get_store_configuration_from_data($data); < $writer = cache_config_writer::instance(); < unset($config['lock']); < foreach ($writer->get_locks() as $lock => $lockconfig) { < if ($lock == $data->lock) { < $config['lock'] = $data->lock; < } < } < $writer->add_store_instance($data->name, $data->plugin, $config); < redirect($PAGE->url, get_string('addstoresuccess', 'cache', $storepluginsummaries[$plugin]['name']), 5); < } < break; < case 'editstore' : // Edit the requested store. < $plugin = required_param('plugin', PARAM_PLUGIN); < $store = required_param('store', PARAM_TEXT); < $mform = cache_administration_helper::get_edit_store_form($plugin, $store); < $title = get_string('addstore', 'cache', $storepluginsummaries[$plugin]['name']); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $config = cache_administration_helper::get_store_configuration_from_data($data); < $writer = cache_config_writer::instance(); < < unset($config['lock']); < foreach ($writer->get_locks() as $lock => $lockconfig) { < if ($lock == $data->lock) { < $config['lock'] = $data->lock; < } < } < $writer->edit_store_instance($data->name, $data->plugin, $config); < redirect($PAGE->url, get_string('editstoresuccess', 'cache', $storepluginsummaries[$plugin]['name']), 5); < } < break; < case 'deletestore' : // Delete a given store. < $store = required_param('store', PARAM_TEXT); < $confirm = optional_param('confirm', false, PARAM_BOOL); < < if (!array_key_exists($store, $storeinstancesummaries)) { < $notifysuccess = false; < $notifications[] = array(get_string('invalidstore', 'cache'), false); < } else if ($storeinstancesummaries[$store]['mappings'] > 0) { < $notifysuccess = false; < $notifications[] = array(get_string('deletestorehasmappings', 'cache'), false); < } < < if ($notifysuccess) { < if (!$confirm) { < $title = get_string('confirmstoredeletion', 'cache'); < $params = array('store' => $store, 'confirm' => 1, 'action' => $action, 'sesskey' => sesskey()); < $url = new moodle_url($PAGE->url, $params); < $button = new single_button($url, get_string('deletestore', 'cache')); < < $PAGE->set_title($title); < $PAGE->set_heading($SITE->fullname); < echo $OUTPUT->header(); < echo $OUTPUT->heading($title); < $confirmation = get_string('deletestoreconfirmation', 'cache', $storeinstancesummaries[$store]['name']); < echo $OUTPUT->confirm($confirmation, $button, $PAGE->url); < echo $OUTPUT->footer(); < exit; < } else { < $writer = cache_config_writer::instance(); < $writer->delete_store_instance($store); < redirect($PAGE->url, get_string('deletestoresuccess', 'cache'), 5); < } < } < break; < case 'editdefinitionmapping' : // Edit definition mappings. < $definition = required_param('definition', PARAM_SAFEPATH); < if (!array_key_exists($definition, $definitionsummaries)) { < throw new cache_exception('Invalid cache definition requested'); < } < $title = get_string('editdefinitionmappings', 'cache', $definition); < $mform = new cache_definition_mappings_form($PAGE->url, array('definition' => $definition)); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $writer = cache_config_writer::instance(); < $mappings = array(); < foreach ($data->mappings as $mapping) { < if (!empty($mapping)) { < $mappings[] = $mapping; < } < } < $writer->set_definition_mappings($definition, $mappings); < redirect($PAGE->url); < } < break; < case 'editdefinitionsharing' : < $definition = required_param('definition', PARAM_SAFEPATH); < if (!array_key_exists($definition, $definitionsummaries)) { < throw new cache_exception('Invalid cache definition requested'); < } < $title = get_string('editdefinitionsharing', 'cache', $definition); < $sharingoptions = $definitionsummaries[$definition]['sharingoptions']; < $customdata = array('definition' => $definition, 'sharingoptions' => $sharingoptions); < $mform = new cache_definition_sharing_form($PAGE->url, $customdata); < $mform->set_data(array( < 'sharing' => $definitionsummaries[$definition]['selectedsharingoption'], < 'userinputsharingkey' => $definitionsummaries[$definition]['userinputsharingkey'] < )); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $component = $definitionsummaries[$definition]['component']; < $area = $definitionsummaries[$definition]['area']; < // Purge the stores removing stale data before we alter the sharing option. < cache_helper::purge_stores_used_by_definition($component, $area); < $writer = cache_config_writer::instance(); < $sharing = array_sum(array_keys($data->sharing)); < $userinputsharingkey = $data->userinputsharingkey; < $writer->set_definition_sharing($definition, $sharing, $userinputsharingkey); < redirect($PAGE->url); < } < break; < case 'editmodemappings': // Edit default mode mappings. < $mform = new cache_mode_mappings_form(null, $storeinstancesummaries); < $mform->set_data(array( < 'mode_'.cache_store::MODE_APPLICATION => key($defaultmodestores[cache_store::MODE_APPLICATION]), < 'mode_'.cache_store::MODE_SESSION => key($defaultmodestores[cache_store::MODE_SESSION]), < 'mode_'.cache_store::MODE_REQUEST => key($defaultmodestores[cache_store::MODE_REQUEST]), < )); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $mappings = array( < cache_store::MODE_APPLICATION => array($data->{'mode_'.cache_store::MODE_APPLICATION}), < cache_store::MODE_SESSION => array($data->{'mode_'.cache_store::MODE_SESSION}), < cache_store::MODE_REQUEST => array($data->{'mode_'.cache_store::MODE_REQUEST}), < ); < $writer = cache_config_writer::instance(); < $writer->set_mode_mappings($mappings); < redirect($PAGE->url); < } < break; < < case 'purgedefinition': // Purge a specific definition. < $id = required_param('definition', PARAM_SAFEPATH); < list($component, $area) = explode('/', $id, 2); < $factory = cache_factory::instance(); < $definition = $factory->create_definition($component, $area); < if ($definition->has_required_identifiers()) { < // We will have to purge the stores used by this definition. < cache_helper::purge_stores_used_by_definition($component, $area); < } else { < // Alrighty we can purge just the data belonging to this definition. < cache_helper::purge_by_definition($component, $area); < } < < $message = get_string('purgexdefinitionsuccess', 'cache', [ < 'name' => $definition->get_name(), < 'component' => $component, < 'area' => $area, < ]); < $purgeagainlink = html_writer::link(new moodle_url('/cache/admin.php', [ < 'action' => 'purgedefinition', 'sesskey' => sesskey(), 'definition' => $id]), < get_string('purgeagain', 'cache')); < redirect($PAGE->url, $message . ' ' . $purgeagainlink, 5); < break; < < case 'purgestore': < case 'purge': // Purge a store cache. < $store = required_param('store', PARAM_TEXT); < cache_helper::purge_store($store); < $message = get_string('purgexstoresuccess', 'cache', ['store' => $store]); < $purgeagainlink = html_writer::link(new moodle_url('/cache/admin.php', [ < 'action' => 'purgestore', 'sesskey' => sesskey(), 'store' => $store]), < get_string('purgeagain', 'cache')); < redirect($PAGE->url, $message . ' ' . $purgeagainlink, 5); < break; < < case 'newlockinstance': < // Adds a new lock instance. < $lock = required_param('lock', PARAM_ALPHANUMEXT); < $mform = cache_administration_helper::get_add_lock_form($lock); < if ($mform->is_cancelled()) { < redirect($PAGE->url); < } else if ($data = $mform->get_data()) { < $factory = cache_factory::instance(); < $config = $factory->create_config_instance(true); < $name = $data->name; < $data = cache_administration_helper::get_lock_configuration_from_data($lock, $data); < $config->add_lock_instance($name, $lock, $data); < redirect($PAGE->url, get_string('addlocksuccess', 'cache', $name), 5); < } < break; < case 'deletelock': < // Deletes a lock instance. < $lock = required_param('lock', PARAM_ALPHANUMEXT); < $confirm = optional_param('confirm', false, PARAM_BOOL); < if (!array_key_exists($lock, $locks)) { < $notifysuccess = false; < $notifications[] = array(get_string('invalidlock', 'cache'), false); < } else if ($locks[$lock]['uses'] > 0) { < $notifysuccess = false; < $notifications[] = array(get_string('deletelockhasuses', 'cache'), false); < } < if ($notifysuccess) { < if (!$confirm) { < $title = get_string('confirmlockdeletion', 'cache'); < $params = array('lock' => $lock, 'confirm' => 1, 'action' => $action, 'sesskey' => sesskey()); < $url = new moodle_url($PAGE->url, $params); < $button = new single_button($url, get_string('deletelock', 'cache')); < < $PAGE->set_title($title); < $PAGE->set_heading($SITE->fullname); < echo $OUTPUT->header(); < echo $OUTPUT->heading($title); < $confirmation = get_string('deletelockconfirmation', 'cache', $lock); < echo $OUTPUT->confirm($confirmation, $button, $PAGE->url); < echo $OUTPUT->footer(); < exit; < } else { < $writer = cache_config_writer::instance(); < $writer->delete_lock_instance($lock); < redirect($PAGE->url, get_string('deletelocksuccess', 'cache'), 5); < } < } < break; < }
> $forminfo = $adminhelper->perform_cache_actions($action, $forminfo);
} // Add cache store warnings to the list of notifications. // Obviously as these are warnings they are show as failures.
< foreach (cache_helper::warnings($storeinstancesummaries) as $warning) {
> foreach (cache_helper::warnings(core_cache\administration_helper::get_store_instance_summaries()) as $warning) {
$notifications[] = array($warning, false); }
> // Decide on display mode based on returned forminfo. $PAGE->set_title($title); > $mform = array_key_exists('form', $forminfo) ? $forminfo['form'] : null; $PAGE->set_heading($SITE->fullname); > $title = array_key_exists('title', $forminfo) ? $forminfo['title'] : new lang_string('cacheadmin', 'cache'); /* @var core_cache_renderer $renderer */ >
$renderer = $PAGE->get_renderer('core_cache'); echo $renderer->header(); echo $renderer->heading($title); echo $renderer->notifications($notifications); if ($mform instanceof moodleform) { $mform->display(); } else {
< echo $renderer->store_plugin_summaries($storepluginsummaries); < echo $renderer->store_instance_summariers($storeinstancesummaries, $storepluginsummaries); < echo $renderer->definition_summaries($definitionsummaries, $context); < echo $renderer->lock_summaries($locks); < < $applicationstore = join(', ', $defaultmodestores[cache_store::MODE_APPLICATION]); < $sessionstore = join(', ', $defaultmodestores[cache_store::MODE_SESSION]); < $requeststore = join(', ', $defaultmodestores[cache_store::MODE_REQUEST]); < $editurl = new moodle_url('/cache/admin.php', array('action' => 'editmodemappings', 'sesskey' => sesskey())); < echo $renderer->mode_mappings($applicationstore, $sessionstore, $requeststore, $editurl);
> // Handle main page definition in admin helper class. > echo $adminhelper->generate_admin_page($renderer);
} echo $renderer->footer();