xref: /webtrees/index.php (revision 439507fd3196a9e2e4f1d9766a4cdfe36bd83562)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees;
19
20use Closure;
21use Fisharebest\Webtrees\Http\Controllers\ErrorController;
22use Fisharebest\Webtrees\Http\Middleware\CheckCsrf;
23use Fisharebest\Webtrees\Http\Middleware\UseTransaction;
24use Symfony\Component\HttpFoundation\JsonResponse;
25use Symfony\Component\HttpFoundation\RedirectResponse;
26use Symfony\Component\HttpFoundation\Request;
27use Symfony\Component\HttpFoundation\Response;
28use Symfony\Component\HttpKernel\Exception\HttpException;
29use Throwable;
30use Whoops\Handler\PrettyPageHandler;
31use Whoops\Run;
32
33// Bootstrap the application
34require 'includes/session.php';
35
36DebugBar::startMeasure('routing');
37
38// The HTTP request.
39$request = Request::createFromGlobals();
40$method  = $request->getMethod();
41$route   = $request->get('route');
42
43try {
44	// Most requests will need the current tree and user.
45	$all_trees = Tree::getAll();
46
47	$tree = $all_trees[$request->get('ged')] ?? null;
48
49	// No tree specified/available?  Choose one.
50	if ($tree === null && $method === 'GET') {
51		$tree = $all_trees[Site::getPreference('DEFAULT_GEDCOM')] ?? current($all_trees);
52	}
53
54	$request->attributes->set('tree', $tree);
55	$request->attributes->set('user', Auth::user());
56
57	// Load the routing table.
58	$routes = require 'routes/web.php';
59
60	// Find the action for the selected route
61	$controller_action = $routes[$method . ':' . $route] ?? 'ErrorController@noRouteFound';
62
63	DebugBar::stopMeasure('routing');
64
65	// Create the controller
66	DebugBar::startMeasure('create controller');
67
68	list($controller_name, $action) = explode('@', $controller_action);
69	$controller_class = __NAMESPACE__ . '\\Http\\Controllers\\' . $controller_name;
70	$controller       = new $controller_class;
71
72	DebugBar::stopMeasure('create controller');
73
74	// Note that we can't stop this timer, as running the action will
75	// generate the response - which includes (and stops) the timer
76	DebugBar::startMeasure('controller_action', $controller_action);
77
78	$middleware_stack = [];
79
80	if ($method === 'POST') {
81		$middleware_stack[] = new UseTransaction;
82		$middleware_stack[] = new CheckCsrf;
83	}
84
85	// Apply the middleware using the "onion" pattern.
86	$pipeline = array_reduce($middleware_stack, function (Closure $next, $middleware): Closure {
87		// Create a closure to apply the middleware.
88		return function (Request $request) use ($middleware, $next): Response {
89			return $middleware->handle($request, $next);
90		};
91	}, function (Request $request) use ($controller, $action): Response {
92		// Create a closure to generate the response.
93		return call_user_func([$controller, $action], $request);
94	});
95
96	$response = call_user_func($pipeline, $request);
97} catch (Throwable $ex) {
98	DebugBar::addThrowable($ex);
99
100	// Clear any buffered output.
101	while (ob_get_level() > 0) {
102		ob_end_clean();
103	}
104
105	if ($ex instanceof HttpException) {
106		// Show a friendly page for expected exceptions.
107		if ($request->isXmlHttpRequest()) {
108			$response = new Response($ex->getMessage(), $ex->getStatusCode());
109		} else {
110			$controller = new ErrorController;
111			$response   = $controller->errorResponse($ex);
112		}
113	} else {
114		// Show an error page for unexpected exceptions.
115		if (getenv('DEBUG')) {
116			// Local dev environment?  Show full debug.
117			$whoops = new Run;
118			$whoops->pushHandler(new PrettyPageHandler);
119			$whoops->handleException($ex);
120		} else {
121			// Running remotely?  Show a friendly error page.
122			$controller = new ErrorController;
123			$response   = $controller->unhandledExceptionResponse($request, $ex);
124		}
125	}
126}
127
128// Send response
129if ($response instanceof RedirectResponse) {
130	// Show the debug data on the next page
131	DebugBar::stackData();
132} elseif ($response instanceof JsonResponse) {
133	// Use HTTP headers and some jQuery to add debug to the current page.
134	DebugBar::sendDataInHeaders();
135}
136
137return $response->prepare($request)->send();
138