index.php

<?php

use Kirby\Demo\Demo;
use Kirby\Demo\Instance;
use Kirby\Demo\Instances;
use Kirby\Http\Response;

$demo = $instance = null;

if (class_exists(Demo::class) === true) {
	$kirby    = kirby();
	$demo     = new Demo();
	$instance = $demo->instances()->current();

	// ensure we have a valid instance object
	if (is_a($instance, Instance::class) !== true) {
		http_response_code(500);
		require __DIR__ . '/etc/fail_unexpected.php';
		die();
	}

	// if the current visitor is the first visitor,
	// remember them using a session
	$sessions   = glob($kirby->roots()->sessions() . '/*.sess');
	$noSessions = is_array($sessions) === true && empty($sessions) === true;

	if ($noSessions === true) {
		$kirby->session()->set('demo.creator', true);
	}

	// ensure that the request came from the correct visitor;
	// check by IP address but fall back to the session if the IP address has changed
	if (
		$instance->ipHash() !== Instances::ipHash() &&
		$kirby->session()->get('demo.creator') !== true
	) {
		http_response_code(403);
		require __DIR__ . '/etc/fail_ip.php';
		die();
	}
}

Kirby::plugin('getkirby/demo', [
	'areas' => [
		'login' => function ($kirby) {
			return [
				'views' => [
					'login' => [
						'action'  => function () use ($kirby) {
							$system = $kirby->system();
							$status = $kirby->auth()->status();
							return [
								'component' => 'k-login-view',
								'props'     => [
									'methods' => array_keys($system->loginMethods()),
									'pending' => [
										'email'     => $status->email(),
										'challenge' => $status->challenge()
									],
									'value' => [
										'email'    => 'demo@getkirby.com',
										'password' => 'demodemo'
									]
								],
							];
						}
					],
				]
			];
		}
	],
	'siteMethods' => [
		'demoExpiry' => function (bool $max = false) use ($instance) {
			if ($instance) {
				return $max ? $instance->expiryMax() : $instance->expiry();
			} else {
				return time() + rand(600, 18000);
			}
		},
		'demoExpiryHuman' => function (bool $max = false) use ($instance) {
			if ($instance) {
				return $max ? $instance->expiryMaxHuman() : $instance->expiryHuman();
			} else {
				return 'in ' . rand(2, 100) . ' quadrillion minutes';
			}
		}
	],
	'routes' => [
		[
			'pattern' => '/delete-demo',
			'method'  => 'POST',
			'action' => function () use ($demo, $instance) {
				if ($instance) {
					// prepare the response before the Kirby files are deleted as well...
					$response = $demo->config()->statusResponse($demo, 'status', 'deleted');

					$instance->delete();
					die($response);
				} else {
					return new Response('Error: Could not fetch instance object', 'text/plain', 500);
				}
			}
		]
	]
]);