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\Model\Profile;
18 use Friendica\Module\Login;
20 require_once 'boot.php';
23 $a = new App(__DIR__);
25 BaseObject::setApp($a);
27 // We assume that the index.php is called by a frontend process
28 // The value is set to "true" by default in boot.php
32 * Load the configuration file which contains our DB credentials.
33 * Ignore errors. If the file doesn't exist or is empty, we are running in
37 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
39 // Only load config if found, don't surpress errors
41 include ".htconfig.php";
45 * Try to open the database;
48 require_once "include/dba.php";
51 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
52 unset($db_host, $db_user, $db_pass, $db_data);
55 * Load configs from db. Overwrite configs from .htconfig.php
60 if ($a->max_processes_reached() || $a->maxload_reached()) {
61 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
62 header('Retry-After: 120');
63 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
64 die("System is currently unavailable. Please try again later");
67 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
68 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
69 && (substr(System::baseUrl(), 0, 8) == "https://")
71 header("HTTP/1.1 302 Moved Temporarily");
72 header("Location: " . System::baseUrl() . "/" . $a->query_string);
76 require_once 'include/session.php';
80 $maintenance = Config::get('system', 'maintenance');
83 $lang = get_browser_language();
85 load_translation_table($lang);
88 * Important stuff we always need to do.
90 * The order of these may be important so use caution if you think they're all
91 * intertwingled with no logical order and decide to sort it out. Some of the
92 * dependencies have changed, but at least at one time in the recent past - the
93 * order was critical to everything working properly
96 // Exclude the backend processes from the session management
97 if (!$a->is_backend()) {
98 $stamp1 = microtime(true);
100 $a->save_timestamp($stamp1, "parser");
103 Worker::executeIfIdle();
107 * Language was set earlier, but we can over-ride it in the session.
108 * We have to do it here because the session was just now opened.
110 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
111 // we haven't loaded user data yet, but we need user language
112 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
113 $_SESSION['language'] = $lang;
114 if (DBM::is_result($r)) {
115 $_SESSION['language'] = $user['language'];
119 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
120 $lang = $_SESSION['language'];
121 load_translation_table($lang);
124 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
125 // Only continue when the given profile link seems valid
126 // Valid profile links contain a path with "/profile/" and no query parameters
127 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
128 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
130 $_SESSION['my_url'] = $_GET['zrl'];
131 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
132 Profile::zrlInit($a);
134 // Someone came with an invalid parameter, maybe as a DDoS attempt
135 // We simply stop processing here
136 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
137 header('HTTP/1.1 403 Forbidden');
138 echo "<h1>403 Forbidden</h1>";
144 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
145 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
146 * this way. There's a PHP flag to link the headers because by default this will over-write any other
149 * What we really need to do is output the raw headers ourselves so we can keep them separate.
152 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
154 Login::sessionAuth();
156 if (! x($_SESSION, 'authenticated')) {
157 header('X-Account-Management-Status: none');
160 /* set up page['htmlhead'] and page['end'] for the modules to use */
161 $a->page['htmlhead'] = '';
162 $a->page['end'] = '';
165 if (! x($_SESSION, 'sysmsg')) {
166 $_SESSION['sysmsg'] = array();
169 if (! x($_SESSION, 'sysmsg_info')) {
170 $_SESSION['sysmsg_info'] = array();
173 // Array for informations about last received items
174 if (! x($_SESSION, 'last_updated')) {
175 $_SESSION['last_updated'] = array();
178 * check_config() is responsible for running update scripts. These automatically
179 * update the DB schema whenever we push a new one out. It also checks to see if
180 * any plugins have been added or removed and reacts accordingly.
183 // in install mode, any url loads install module
184 // but we need "view" module for stylesheet
185 if ($install && $a->module!="view") {
186 $a->module = 'install';
187 } elseif ($maintenance && $a->module!="view") {
188 $a->module = 'maintenance';
195 nav_set_selected('nothing');
197 //Don't populate apps_menu if apps are private
198 $privateapps = Config::get('config', 'private_addons');
199 if ((local_user()) || (! $privateapps === "1")) {
200 $arr = array('app_menu' => $a->apps);
202 call_hooks('app_menu', $arr);
204 $a->apps = $arr['app_menu'];
208 * We have already parsed the server path into $a->argc and $a->argv
210 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
211 * and use it for handling our URL request.
212 * The module file contains a few functions that we call in various circumstances
213 * and in the following order:
216 * "module"_post (only called if there are $_POST variables)
218 * "module"_content - the string return of this function contains our page body
220 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
221 * so within the module init and/or post functions and then invoke killme() to terminate
222 * further processing.
224 if (strlen($a->module)) {
227 * We will always have a module name.
228 * First see if we have a plugin which is masquerading as a module.
231 // Compatibility with the Android Diaspora client
232 if ($a->module == "stream") {
233 $a->module = "network";
236 // Compatibility with the Firefox App
237 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
238 $a->module = "login";
241 $privateapps = Config::get('config', 'private_addons');
243 if (is_array($a->plugins) && in_array($a->module, $a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
244 //Check if module is an app and if public access to apps is allowed or not
245 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
246 info(t("You must be logged in to use addons. "));
248 include_once "addon/{$a->module}/{$a->module}.php";
249 if (function_exists($a->module . '_module')) {
250 $a->module_loaded = true;
255 // Controller class routing
256 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
257 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
258 $a->module_loaded = true;
262 * If not, next look for a 'standard' program module in the 'mod' directory
265 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
266 include_once "mod/{$a->module}.php";
267 $a->module_loaded = true;
271 * The URL provided does not resolve to a valid module.
273 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
274 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
275 * 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
276 * this will often succeed and eventually do the right thing.
278 * Otherwise we are going to emit a 404 not found.
281 if (! $a->module_loaded) {
282 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
283 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
287 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
288 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
289 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
292 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
293 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
294 $tpl = get_markup_template("404.tpl");
295 $a->page['content'] = replace_macros(
298 '$message' => t('Page not found.'))
304 * Load current theme info
306 $theme_info_file = "view/theme/".current_theme()."/theme.php";
307 if (file_exists($theme_info_file)) {
308 require_once $theme_info_file;
312 /* initialise content region */
314 if (! x($a->page, 'content')) {
315 $a->page['content'] = '';
318 if (!$install && !$maintenance) {
319 call_hooks('page_content_top', $a->page['content']);
323 * Call module functions
326 if ($a->module_loaded) {
327 $a->page['page_title'] = $a->module;
330 if ($a->module_class) {
331 call_hooks($a->module . '_mod_init', $placeholder);
332 call_user_func([$a->module_class, 'init']);
333 } else if (function_exists($a->module . '_init')) {
334 call_hooks($a->module . '_mod_init', $placeholder);
335 $func = $a->module . '_init';
339 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
340 $func = str_replace('-', '_', current_theme()) . '_init';
344 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
345 call_hooks($a->module . '_mod_post', $_POST);
346 if ($a->module_class) {
347 call_user_func([$a->module_class, 'post']);
348 } else if (function_exists($a->module . '_post')) {
349 $func = $a->module . '_post';
355 call_hooks($a->module . '_mod_afterpost', $placeholder);
356 if ($a->module_class) {
357 call_user_func([$a->module_class, 'afterpost']);
358 } else if (function_exists($a->module . '_afterpost')) {
359 $func = $a->module . '_afterpost';
365 $arr = array('content' => $a->page['content']);
366 call_hooks($a->module . '_mod_content', $arr);
367 $a->page['content'] = $arr['content'];
368 if ($a->module_class) {
369 $arr = array('content' => call_user_func([$a->module_class, 'content']));
370 } else if (function_exists($a->module . '_content')) {
371 $func = $a->module . '_content';
372 $arr = array('content' => $func($a));
374 call_hooks($a->module . '_mod_aftercontent', $arr);
375 $a->page['content'] .= $arr['content'];
378 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
379 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
385 * Create the page head after setting the language
386 * and getting any auth credentials.
388 * Moved init_pagehead() and init_page_end() to after
389 * all the module functions have executed so that all
390 * theme choices made by the modules can take effect.
396 * Build the page ending -- this is stuff that goes right before
397 * the closing </body> tag
401 // If you're just visiting, let javascript take you home
402 if (x($_SESSION, 'visitor_home')) {
403 $homebase = $_SESSION['visitor_home'];
404 } elseif (local_user()) {
405 $homebase = 'profile/' . $a->user['nickname'];
408 if (isset($homebase)) {
409 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
413 * now that we've been through the module content, see if the page reported
414 * a permission problem and if so, a 403 response would seem to be in order.
416 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
417 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
421 * Report anything which needs to be communicated in the notification area (before the main body)
423 call_hooks('page_end', $a->page['content']);
426 * Add the navigation (menu) template
428 if ($a->module != 'install' && $a->module != 'maintenance') {
433 * Add a "toggle mobile" link if we're using a mobile device
435 if ($a->is_mobile || $a->is_tablet) {
436 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
437 $link = 'toggle_mobile?address=' . curPageURL();
439 $link = 'toggle_mobile?off=1&address=' . curPageURL();
441 $a->page['footer'] = replace_macros(
442 get_markup_template("toggle_mobile_footer.tpl"),
444 '$toggle_link' => $link,
445 '$toggle_text' => t('toggle mobile'))
450 * Build the page - now that we have all the components
453 if (!$a->theme['stylesheet']) {
454 $stylesheet = current_theme_url();
456 $stylesheet = $a->theme['stylesheet'];
459 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
460 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
462 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
463 $doc = new DOMDocument();
465 $target = new DOMDocument();
466 $target->loadXML("<root></root>");
468 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
470 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
471 @$doc->loadHTML($content);
473 $xpath = new DomXPath($doc);
475 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
477 foreach ($list as $item) {
478 $item = $target->importNode($item, true);
480 // And then append it to the target
481 $target->documentElement->appendChild($item);
485 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
486 header("Content-type: text/html; charset=utf-8");
488 echo substr($target->saveHTML(), 6, -8);
494 $profile = $a->profile;
496 header("X-Friendica-Version: " . FRIENDICA_VERSION);
497 header("Content-type: text/html; charset=utf-8");
499 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
500 header("Strict-Transport-Security: max-age=31536000");
503 // Some security stuff
504 header('X-Content-Type-Options: nosniff');
505 header('X-XSS-Protection: 1; mode=block');
506 header('X-Permitted-Cross-Domain-Policies: none');
507 header('X-Frame-Options: sameorigin');
509 // Things like embedded OSM maps don't work, when this is enabled
510 // 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'");
513 * We use $_GET["mode"] for special page templates. So we will check if we have
514 * to load another page template than the default one.
515 * The page templates are located in /view/php/ or in the theme directory.
517 if (isset($_GET["mode"])) {
518 $template = theme_include($_GET["mode"] . '.php');
521 // If there is no page template use the default page template
522 if (empty($template)) {
523 $template = theme_include("default.php");
526 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
527 require_once $template;