8 * Bootstrap the application
12 use Friendica\BaseObject;
13 use Friendica\Core\System;
14 use Friendica\Core\Config;
15 use Friendica\Core\Worker;
16 use Friendica\Database\DBM;
17 use Friendica\Module\Login;
19 require_once 'boot.php';
22 $a = new App(__DIR__);
24 BaseObject::setApp($a);
26 // We assume that the index.php is called by a frontend process
27 // The value is set to "true" by default in boot.php
31 * Load the configuration file which contains our DB credentials.
32 * Ignore errors. If the file doesn't exist or is empty, we are running in
36 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
38 // Only load config if found, don't surpress errors
40 include ".htconfig.php";
44 * Try to open the database;
47 require_once "include/dba.php";
50 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
51 unset($db_host, $db_user, $db_pass, $db_data);
54 * Load configs from db. Overwrite configs from .htconfig.php
59 if ($a->max_processes_reached() || $a->maxload_reached()) {
60 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
61 header('Retry-After: 120');
62 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
63 die("System is currently unavailable. Please try again later");
66 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
67 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
68 && (substr(System::baseUrl(), 0, 8) == "https://")
70 header("HTTP/1.1 302 Moved Temporarily");
71 header("Location: " . System::baseUrl() . "/" . $a->query_string);
75 require_once 'include/session.php';
79 $maintenance = Config::get('system', 'maintenance');
82 $lang = get_browser_language();
84 load_translation_table($lang);
87 * Important stuff we always need to do.
89 * The order of these may be important so use caution if you think they're all
90 * intertwingled with no logical order and decide to sort it out. Some of the
91 * dependencies have changed, but at least at one time in the recent past - the
92 * order was critical to everything working properly
95 // Exclude the backend processes from the session management
96 if (!$a->is_backend()) {
97 $stamp1 = microtime(true);
99 $a->save_timestamp($stamp1, "parser");
102 Worker::executeIfIdle();
106 * Language was set earlier, but we can over-ride it in the session.
107 * We have to do it here because the session was just now opened.
109 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
110 // we didn't loaded user data yet, but we need user language
111 $r = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
112 $_SESSION['language'] = $lang;
113 if (DBM::is_result($r)) {
114 $_SESSION['language'] = $r['language'];
118 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
119 $lang = $_SESSION['language'];
120 load_translation_table($lang);
123 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
124 // Only continue when the given profile link seems valid
125 // Valid profile links contain a path with "/profile/" and no query parameters
126 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
127 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
129 $_SESSION['my_url'] = $_GET['zrl'];
130 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
133 // Someone came with an invalid parameter, maybe as a DDoS attempt
134 // We simply stop processing here
135 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
136 header('HTTP/1.1 403 Forbidden');
137 echo "<h1>403 Forbidden</h1>";
143 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
144 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
145 * this way. There's a PHP flag to link the headers because by default this will over-write any other
148 * What we really need to do is output the raw headers ourselves so we can keep them separate.
151 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
153 Login::sessionAuth();
155 if (! x($_SESSION, 'authenticated')) {
156 header('X-Account-Management-Status: none');
159 /* set up page['htmlhead'] and page['end'] for the modules to use */
160 $a->page['htmlhead'] = '';
161 $a->page['end'] = '';
164 if (! x($_SESSION, 'sysmsg')) {
165 $_SESSION['sysmsg'] = array();
168 if (! x($_SESSION, 'sysmsg_info')) {
169 $_SESSION['sysmsg_info'] = array();
172 // Array for informations about last received items
173 if (! x($_SESSION, 'last_updated')) {
174 $_SESSION['last_updated'] = array();
177 * check_config() is responsible for running update scripts. These automatically
178 * update the DB schema whenever we push a new one out. It also checks to see if
179 * any plugins have been added or removed and reacts accordingly.
182 // in install mode, any url loads install module
183 // but we need "view" module for stylesheet
184 if ($install && $a->module!="view") {
185 $a->module = 'install';
186 } elseif ($maintenance && $a->module!="view") {
187 $a->module = 'maintenance';
194 nav_set_selected('nothing');
196 //Don't populate apps_menu if apps are private
197 $privateapps = Config::get('config', 'private_addons');
198 if ((local_user()) || (! $privateapps === "1")) {
199 $arr = array('app_menu' => $a->apps);
201 call_hooks('app_menu', $arr);
203 $a->apps = $arr['app_menu'];
207 * We have already parsed the server path into $a->argc and $a->argv
209 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
210 * and use it for handling our URL request.
211 * The module file contains a few functions that we call in various circumstances
212 * and in the following order:
215 * "module"_post (only called if there are $_POST variables)
217 * "module"_content - the string return of this function contains our page body
219 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
220 * so within the module init and/or post functions and then invoke killme() to terminate
221 * further processing.
223 if (strlen($a->module)) {
226 * We will always have a module name.
227 * First see if we have a plugin which is masquerading as a module.
230 // Compatibility with the Android Diaspora client
231 if ($a->module == "stream") {
232 $a->module = "network";
235 // Compatibility with the Firefox App
236 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
237 $a->module = "login";
240 $privateapps = Config::get('config', 'private_addons');
242 if (is_array($a->plugins) && in_array($a->module, $a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
243 //Check if module is an app and if public access to apps is allowed or not
244 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
245 info(t("You must be logged in to use addons. "));
247 include_once "addon/{$a->module}/{$a->module}.php";
248 if (function_exists($a->module . '_module')) {
249 $a->module_loaded = true;
254 // Controller class routing
255 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
256 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
257 $a->module_loaded = true;
261 * If not, next look for a 'standard' program module in the 'mod' directory
264 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
265 include_once "mod/{$a->module}.php";
266 $a->module_loaded = true;
270 * The URL provided does not resolve to a valid module.
272 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
273 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
274 * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
275 * this will often succeed and eventually do the right thing.
277 * Otherwise we are going to emit a 404 not found.
280 if (! $a->module_loaded) {
281 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
282 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
286 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
287 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
288 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
291 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
292 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
293 $tpl = get_markup_template("404.tpl");
294 $a->page['content'] = replace_macros(
297 '$message' => t('Page not found.'))
303 * Load current theme info
305 $theme_info_file = "view/theme/".current_theme()."/theme.php";
306 if (file_exists($theme_info_file)) {
307 require_once $theme_info_file;
311 /* initialise content region */
313 if (! x($a->page, 'content')) {
314 $a->page['content'] = '';
317 if (!$install && !$maintenance) {
318 call_hooks('page_content_top', $a->page['content']);
322 * Call module functions
325 if ($a->module_loaded) {
326 $a->page['page_title'] = $a->module;
329 if ($a->module_class) {
330 call_hooks($a->module . '_mod_init', $placeholder);
331 call_user_func([$a->module_class, 'init']);
332 } else if (function_exists($a->module . '_init')) {
333 call_hooks($a->module . '_mod_init', $placeholder);
334 $func = $a->module . '_init';
338 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
339 $func = str_replace('-', '_', current_theme()) . '_init';
343 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
344 call_hooks($a->module . '_mod_post', $_POST);
345 if ($a->module_class) {
346 call_user_func([$a->module_class, 'post']);
347 } else if (function_exists($a->module . '_post')) {
348 $func = $a->module . '_post';
354 call_hooks($a->module . '_mod_afterpost', $placeholder);
355 if ($a->module_class) {
356 call_user_func([$a->module_class, 'afterpost']);
357 } else if (function_exists($a->module . '_afterpost')) {
358 $func = $a->module . '_afterpost';
364 $arr = array('content' => $a->page['content']);
365 call_hooks($a->module . '_mod_content', $arr);
366 $a->page['content'] = $arr['content'];
367 if ($a->module_class) {
368 $arr = array('content' => call_user_func([$a->module_class, 'content']));
369 } else if (function_exists($a->module . '_content')) {
370 $func = $a->module . '_content';
371 $arr = array('content' => $func($a));
373 call_hooks($a->module . '_mod_aftercontent', $arr);
374 $a->page['content'] .= $arr['content'];
377 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
378 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
384 * Create the page head after setting the language
385 * and getting any auth credentials.
387 * Moved init_pagehead() and init_page_end() to after
388 * all the module functions have executed so that all
389 * theme choices made by the modules can take effect.
395 * Build the page ending -- this is stuff that goes right before
396 * the closing </body> tag
400 // If you're just visiting, let javascript take you home
401 if (x($_SESSION, 'visitor_home')) {
402 $homebase = $_SESSION['visitor_home'];
403 } elseif (local_user()) {
404 $homebase = 'profile/' . $a->user['nickname'];
407 if (isset($homebase)) {
408 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
412 * now that we've been through the module content, see if the page reported
413 * a permission problem and if so, a 403 response would seem to be in order.
415 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
416 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
420 * Report anything which needs to be communicated in the notification area (before the main body)
422 call_hooks('page_end', $a->page['content']);
425 * Add the navigation (menu) template
427 if ($a->module != 'install' && $a->module != 'maintenance') {
432 * Add a "toggle mobile" link if we're using a mobile device
434 if ($a->is_mobile || $a->is_tablet) {
435 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
436 $link = 'toggle_mobile?address=' . curPageURL();
438 $link = 'toggle_mobile?off=1&address=' . curPageURL();
440 $a->page['footer'] = replace_macros(
441 get_markup_template("toggle_mobile_footer.tpl"),
443 '$toggle_link' => $link,
444 '$toggle_text' => t('toggle mobile'))
449 * Build the page - now that we have all the components
452 if (!$a->theme['stylesheet']) {
453 $stylesheet = current_theme_url();
455 $stylesheet = $a->theme['stylesheet'];
458 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
459 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
461 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
462 $doc = new DOMDocument();
464 $target = new DOMDocument();
465 $target->loadXML("<root></root>");
467 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
469 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
470 @$doc->loadHTML($content);
472 $xpath = new DomXPath($doc);
474 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
476 foreach ($list as $item) {
477 $item = $target->importNode($item, true);
479 // And then append it to the target
480 $target->documentElement->appendChild($item);
484 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
485 header("Content-type: text/html; charset=utf-8");
487 echo substr($target->saveHTML(), 6, -8);
493 $profile = $a->profile;
495 header("X-Friendica-Version: " . FRIENDICA_VERSION);
496 header("Content-type: text/html; charset=utf-8");
498 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
499 header("Strict-Transport-Security: max-age=31536000");
502 // Some security stuff
503 header('X-Content-Type-Options: nosniff');
504 header('X-XSS-Protection: 1; mode=block');
505 header('X-Permitted-Cross-Domain-Policies: none');
506 header('X-Frame-Options: sameorigin');
508 // Things like embedded OSM maps don't work, when this is enabled
509 // header("Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' https: data:; media-src 'self' https:; child-src 'self' https:; object-src 'none'");
512 * We use $_GET["mode"] for special page templates. So we will check if we have
513 * to load another page template than the default one.
514 * The page templates are located in /view/php/ or in the theme directory.
516 if (isset($_GET["mode"])) {
517 $template = theme_include($_GET["mode"] . '.php');
520 // If there is no page template use the default page template
521 if (empty($template)) {
522 $template = theme_include("default.php");
525 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
526 require_once $template;