xref: /webtrees/index.php (revision 126654d77c042f1254afcd89fbf831cc610b808e) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 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
18use Fisharebest\Localization\Locale as WebtreesLocale;
19use Fisharebest\Localization\Locale\LocaleInterface;
20use Fisharebest\Webtrees\Auth;
21use Fisharebest\Webtrees\Database;
22use Fisharebest\Webtrees\DebugBar;
23use Fisharebest\Webtrees\Exceptions\Handler;
24use Fisharebest\Webtrees\Http\Controllers\SetupController;
25use Fisharebest\Webtrees\Http\Middleware\CheckCsrf;
26use Fisharebest\Webtrees\Http\Middleware\CheckForMaintenanceMode;
27use Fisharebest\Webtrees\Http\Middleware\DebugBarData;
28use Fisharebest\Webtrees\Http\Middleware\Housekeeping;
29use Fisharebest\Webtrees\Http\Middleware\PageHitCounter;
30use Fisharebest\Webtrees\Http\Middleware\UseTransaction;
31use Fisharebest\Webtrees\I18N;
32use Fisharebest\Webtrees\Resolver;
33use Fisharebest\Webtrees\Services\TimeoutService;
34use Fisharebest\Webtrees\Session;
35use Fisharebest\Webtrees\Site;
36use Fisharebest\Webtrees\Theme;
37use Fisharebest\Webtrees\Tree;
38use Fisharebest\Webtrees\User;
39use Fisharebest\Webtrees\View;
40use Fisharebest\Webtrees\Webtrees;
41use League\Flysystem\Adapter\Local;
42use League\Flysystem\Filesystem;
43use Symfony\Component\HttpFoundation\Request;
44use Symfony\Component\HttpFoundation\Response;
45
46require __DIR__ . '/vendor/autoload.php';
47
48// Regular expressions for validating user input, etc.
49const WT_MINIMUM_PASSWORD_LENGTH = 6;
50const WT_REGEX_PASSWORD          = '.{' . WT_MINIMUM_PASSWORD_LENGTH . ',}';
51
52const WT_ROOT = __DIR__ . DIRECTORY_SEPARATOR;
53
54Webtrees::init();
55
56// Initialise the DebugBar for development.
57// Use `composer install --dev` on a development build to enable.
58// Note that you may need to increase the size of the fcgi buffers on nginx.
59// e.g. add these lines to your fastcgi_params file:
60// fastcgi_buffers 16 16m;
61// fastcgi_buffer_size 32m;
62DebugBar::init(Webtrees::DEBUG && class_exists('\\DebugBar\\StandardDebugBar'));
63
64// Calculate the base URL, so we can generate absolute URLs.
65$request     = Request::createFromGlobals();
66$request_uri = $request->getSchemeAndHttpHost() . $request->getRequestUri();
67
68// Remove any PHP script name and parameters.
69$base_uri = preg_replace('/[^\/]+\.php(\?.*)?$/', '', $request_uri);
70define('WT_BASE_URL', $base_uri);
71
72DebugBar::startMeasure('init database');
73
74// Connect to the database
75try {
76    // No config file? Run the setup wizard
77    if (!file_exists(Webtrees::CONFIG_FILE)) {
78        define('WT_DATA_DIR', 'data/');
79        $request    = Request::createFromGlobals();
80        $controller = new SetupController();
81        $response   = $controller->setup($request);
82        $response->prepare($request)->send();
83
84        return;
85    }
86
87    $database_config = parse_ini_file(Webtrees::CONFIG_FILE);
88
89    if ($database_config === false) {
90        throw new Exception('Invalid config file: ' . Webtrees::CONFIG_FILE);
91    }
92
93    // Read the connection settings and create the database
94    Database::createInstance($database_config);
95
96    // Update the database schema, if necessary.
97    Database::updateSchema('\Fisharebest\Webtrees\Schema', 'WT_SCHEMA_VERSION', Webtrees::SCHEMA_VERSION);
98} catch (PDOException $exception) {
99    define('WT_DATA_DIR', 'data/');
100    I18N::init();
101    if ($exception->getCode() === 1045) {
102        // Error during connection?
103        $content = view('errors/database-connection', ['error' => $exception->getMessage()]);
104    } else {
105        // Error in a migration script?
106        $content = view('errors/database-error', ['error' => $exception->getMessage()]);
107    }
108    $html     = view('layouts/error', ['content' => $content]);
109    $response = new Response($html, Response::HTTP_SERVICE_UNAVAILABLE);
110    $response->prepare($request)->send();
111
112    return;
113} catch (Throwable $exception) {
114    define('WT_DATA_DIR', 'data/');
115    I18N::init();
116    $content  = view('errors/database-connection', ['error' => $exception->getMessage()]);
117    $html     = view('layouts/error', ['content' => $content]);
118    $response = new Response($html, Response::HTTP_SERVICE_UNAVAILABLE);
119    $response->prepare($request)->send();
120
121    return;
122}
123
124DebugBar::stopMeasure('init database');
125
126// The config.ini.php file must always be in a fixed location.
127// Other user files can be stored elsewhere...
128define('WT_DATA_DIR', realpath(Site::getPreference('INDEX_DIRECTORY', 'data/')) . DIRECTORY_SEPARATOR);
129
130// Some broken servers block access to their own temp folder using open_basedir...
131$data_dir = new Filesystem(new Local(WT_DATA_DIR));
132$data_dir->createDir('tmp');
133putenv('TMPDIR=' . WT_DATA_DIR . 'tmp');
134
135// Request more resources - if we can/want to
136$memory_limit = Site::getPreference('MEMORY_LIMIT');
137if ($memory_limit !== '' && strpos(ini_get('disable_functions'), 'ini_set') === false) {
138    ini_set('memory_limit', $memory_limit);
139}
140$max_execution_time = Site::getPreference('MAX_EXECUTION_TIME');
141if ($max_execution_time !== '' && strpos(ini_get('disable_functions'), 'set_time_limit') === false) {
142    set_time_limit((int) $max_execution_time);
143}
144
145// Sessions
146Session::start();
147
148// Note that the database/webservers may not be synchronised, so use DB time throughout.
149define('WT_TIMESTAMP', (int) Database::prepare("SELECT UNIX_TIMESTAMP()")->fetchOne());
150
151// Users get their own time-zone. Visitors get the site time-zone.
152try {
153    if (Auth::check()) {
154        date_default_timezone_set(Auth::user()->getPreference('TIMEZONE'));
155    } else {
156        date_default_timezone_set(Site::getPreference('TIMEZONE'));
157    }
158} catch (ErrorException $exception) {
159    // Server upgrades and migrations can leave us with invalid timezone settings.
160    date_default_timezone_set('UTC');
161}
162
163define('WT_TIMESTAMP_OFFSET', (new DateTime('now'))->getOffset());
164
165define('WT_CLIENT_JD', 2440588 + intdiv(WT_TIMESTAMP + WT_TIMESTAMP_OFFSET, 86400));
166
167// Update the last-login time no more than once a minute
168if (WT_TIMESTAMP - Session::get('activity_time') >= 60) {
169    if (Session::get('masquerade') === null) {
170        Auth::user()->setPreference('sessiontime', (string) WT_TIMESTAMP);
171    }
172    Session::put('activity_time', WT_TIMESTAMP);
173}
174
175DebugBar::startMeasure('routing');
176
177// The HTTP request.
178$request = Request::createFromGlobals();
179$route   = $request->get('route');
180
181try {
182    // Most requests will need the current tree and user.
183    $all_trees = Tree::getAll();
184
185    $tree = $all_trees[$request->get('ged')] ?? null;
186
187    // No tree specified/available?  Choose one.
188    if ($tree === null && $request->getMethod() === Request::METHOD_GET) {
189        $tree = $all_trees[Site::getPreference('DEFAULT_GEDCOM')] ?? array_values($all_trees)[0] ?? null;
190    }
191
192    // Select a locale
193    define('WT_LOCALE', I18N::init('', $tree));
194    Session::put('locale', WT_LOCALE);
195
196    // Most layouts will require a tree for the page header/footer
197    View::share('tree', $tree);
198
199    // Load the routing table.
200    $routes = require 'routes/web.php';
201
202    // Find the controller and action for the selected route
203    $controller_action = $routes[$request->getMethod() . ':' . $route] ?? 'ErrorController@noRouteFound';
204    [$controller_name, $action] = explode('@', $controller_action);
205    $controller_class = '\\Fisharebest\\Webtrees\\Http\\Controllers\\' . $controller_name;
206
207    // Set up dependency injection for the controllers.
208    $resolver = new Resolver();
209    $resolver->bind(Resolver::class, $resolver);
210    $resolver->bind(Tree::class, $tree);
211    $resolver->bind(User::class, Auth::user());
212    $resolver->bind(LocaleInterface::class, WebtreesLocale::create(WT_LOCALE));
213    $resolver->bind(TimeoutService::class, new TimeoutService(microtime(true)));
214    $resolver->bind(Filesystem::class, new Filesystem(new Local(WT_DATA_DIR)));
215
216    $controller = $resolver->resolve($controller_class);
217
218    DebugBar::stopMeasure('routing');
219
220    DebugBar::startMeasure('init theme');
221
222    // Last theme used?
223    $theme_id = Session::get('theme_id');
224    // Default for tree
225    if (!array_key_exists($theme_id, Theme::themeNames()) && $tree) {
226        $theme_id = $tree->getPreference('THEME_DIR');
227    }
228    // Default for site
229    if (!array_key_exists($theme_id, Theme::themeNames())) {
230        $theme_id = Site::getPreference('THEME_DIR');
231    }
232    // Default
233    if (!array_key_exists($theme_id, Theme::themeNames())) {
234        $theme_id = 'webtrees';
235    }
236    foreach (Theme::installedThemes() as $theme) {
237        if ($theme->themeId() === $theme_id) {
238            Theme::theme($theme)->init($request, $tree);
239            // Remember this setting
240            if (Site::getPreference('ALLOW_USER_THEMES') === '1') {
241                Session::put('theme_id', $theme_id);
242            }
243            break;
244        }
245    }
246
247    DebugBar::stopMeasure('init theme');
248
249    // Note that we can't stop this timer, as running the action will
250    // generate the response - which includes (and stops) the timer
251    DebugBar::startMeasure('controller_action');
252
253    $middleware_stack = [
254        CheckForMaintenanceMode::class,
255    ];
256
257    if (class_exists(DebugBar::class)) {
258        $middleware_stack[] = DebugBarData::class;
259    }
260
261    if ($request->getMethod() === Request::METHOD_GET) {
262        $middleware_stack[] = PageHitCounter::class;
263        $middleware_stack[] = Housekeeping::class;
264    }
265
266    if ($request->getMethod() === Request::METHOD_POST) {
267        $middleware_stack[] = UseTransaction::class;
268        $middleware_stack[] = CheckCsrf::class;
269    }
270
271    // Apply the middleware using the "onion" pattern.
272    $pipeline = array_reduce($middleware_stack, function (Closure $next, string $middleware) use ($resolver): Closure {
273        // Create a closure to apply the middleware.
274        return function (Request $request) use ($middleware, $next, $resolver): Response {
275            return $resolver->resolve($middleware)->handle($request, $next);
276        };
277    }, function (Request $request) use ($controller, $action, $resolver): Response {
278        $resolver->bind(Request::class, $request);
279
280        return $resolver->dispatch($controller, $action);
281    });
282
283    $response = call_user_func($pipeline, $request);
284} catch (Exception $exception) {
285    $response = (new Handler())->render($request, $exception);
286}
287
288// Send response
289$response->prepare($request)->send();
290