8 * Bootstrap the application
12 use Friendica\BaseObject;
13 use Friendica\Content\Nav;
14 use Friendica\Core\Addon;
15 use Friendica\Core\Config;
16 use Friendica\Core\L10n;
17 use Friendica\Core\Session;
18 use Friendica\Core\System;
19 use Friendica\Core\Theme;
20 use Friendica\Core\Worker;
21 use Friendica\Database\DBM;
22 use Friendica\Model\Profile;
23 use Friendica\Module\Login;
25 require_once 'boot.php';
27 $a = new App(__DIR__);
28 BaseObject::setApp($a);
30 // We assume that the index.php is called by a frontend process
31 // The value is set to "true" by default in boot.php
34 // Only load config if found, don't suppress errors
35 if (!$a->mode == App::MODE_INSTALL) {
36 include ".htconfig.php";
40 * Try to open the database;
43 require_once "include/dba.php";
45 if (!$a->mode == App::MODE_INSTALL) {
46 $result = dba::connect($db_host, $db_user, $db_pass, $db_data);
47 unset($db_host, $db_user, $db_pass, $db_data);
50 System::unavailable();
54 * Load configs from db. Overwrite configs from .htconfig.php
59 if ($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://")
69 && ($_SERVER['REQUEST_METHOD'] == 'GET')) {
70 header("HTTP/1.1 302 Moved Temporarily");
71 header("Location: " . System::baseUrl() . "/" . $a->query_string);
78 Addon::callHooks('init_1');
80 $a->checkMaintenanceMode();
83 $lang = L10n::getBrowserLanguage();
85 L10n::loadTranslationTable($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'] = $lang;
114 if (DBM::is_result($user)) {
115 $_SESSION['language'] = $user['language'];
119 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
120 $lang = $_SESSION['language'];
121 L10n::loadTranslationTable($lang);
124 if ((x($_GET, 'zrl')) && $a->mode == App::MODE_NORMAL) {
125 // Only continue when the given profile link seems valid
126 // Valid profile links contain a path with "/profile/" and no query parameters
127 if ((parse_url($_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'] = '';
164 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
165 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
166 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
169 * check_config() is responsible for running update scripts. These automatically
170 * update the DB schema whenever we push a new one out. It also checks to see if
171 * any addons have been added or removed and reacts accordingly.
174 // in install mode, any url loads install module
175 // but we need "view" module for stylesheet
176 if ($a->mode == App::MODE_INSTALL && $a->module!="view") {
177 $a->module = 'install';
178 } elseif ($a->mode == App::MODE_MAINTENANCE && $a->module!="view") {
179 $a->module = 'maintenance';
186 Nav::setSelected('nothing');
188 //Don't populate apps_menu if apps are private
189 $privateapps = Config::get('config', 'private_addons');
190 if ((local_user()) || (! $privateapps === "1")) {
191 $arr = ['app_menu' => $a->apps];
193 Addon::callHooks('app_menu', $arr);
195 $a->apps = $arr['app_menu'];
199 * We have already parsed the server path into $a->argc and $a->argv
201 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
202 * and use it for handling our URL request.
203 * The module file contains a few functions that we call in various circumstances
204 * and in the following order:
207 * "module"_post (only called if there are $_POST variables)
209 * "module"_content - the string return of this function contains our page body
211 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
212 * so within the module init and/or post functions and then invoke killme() to terminate
213 * further processing.
215 if (strlen($a->module)) {
218 * We will always have a module name.
219 * First see if we have an addon which is masquerading as a module.
222 // Compatibility with the Android Diaspora client
223 if ($a->module == 'stream') {
224 goaway('network?f=&order=post');
227 if ($a->module == 'conversations') {
231 if ($a->module == 'commented') {
232 goaway('network?f=&order=comment');
235 if ($a->module == 'liked') {
236 goaway('network?f=&order=comment');
239 if ($a->module == 'activity') {
240 goaway('network/?f=&conv=1');
243 if (($a->module == 'status_messages') && ($a->cmd == 'status_messages/new')) {
244 goaway('bookmarklet');
247 if (($a->module == 'user') && ($a->cmd == 'user/edit')) {
251 if (($a->module == 'tag_followings') && ($a->cmd == 'tag_followings/manage')) {
255 // Compatibility with the Firefox App
256 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
257 $a->module = "login";
260 $privateapps = Config::get('config', 'private_addons');
262 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
263 //Check if module is an app and if public access to apps is allowed or not
264 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
265 info(L10n::t("You must be logged in to use addons. "));
267 include_once "addon/{$a->module}/{$a->module}.php";
268 if (function_exists($a->module . '_module')) {
269 $a->module_loaded = true;
274 // Controller class routing
275 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
276 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
277 $a->module_loaded = true;
281 * If not, next look for a 'standard' program module in the 'mod' directory
284 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
285 include_once "mod/{$a->module}.php";
286 $a->module_loaded = true;
290 * The URL provided does not resolve to a valid module.
292 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
293 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
294 * 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
295 * this will often succeed and eventually do the right thing.
297 * Otherwise we are going to emit a 404 not found.
300 if (! $a->module_loaded) {
301 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
302 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
306 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
307 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
308 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
311 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
312 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
313 $tpl = get_markup_template("404.tpl");
314 $a->page['content'] = replace_macros(
317 '$message' => L10n::t('Page not found.')]
323 * Load current theme info
325 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
326 if (file_exists($theme_info_file)) {
327 require_once $theme_info_file;
331 /* initialise content region */
333 if (! x($a->page, 'content')) {
334 $a->page['content'] = '';
337 if ($a->mode == App::MODE_NORMAL) {
338 Addon::callHooks('page_content_top', $a->page['content']);
342 * Call module functions
345 if ($a->module_loaded) {
346 $a->page['page_title'] = $a->module;
349 if ($a->module_class) {
350 Addon::callHooks($a->module . '_mod_init', $placeholder);
351 call_user_func([$a->module_class, 'init']);
352 } else if (function_exists($a->module . '_init')) {
353 Addon::callHooks($a->module . '_mod_init', $placeholder);
354 $func = $a->module . '_init';
358 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_init')) {
359 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_init';
363 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
364 Addon::callHooks($a->module . '_mod_post', $_POST);
365 if ($a->module_class) {
366 call_user_func([$a->module_class, 'post']);
367 } else if (function_exists($a->module . '_post')) {
368 $func = $a->module . '_post';
374 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
375 if ($a->module_class) {
376 call_user_func([$a->module_class, 'afterpost']);
377 } else if (function_exists($a->module . '_afterpost')) {
378 $func = $a->module . '_afterpost';
384 $arr = ['content' => $a->page['content']];
385 Addon::callHooks($a->module . '_mod_content', $arr);
386 $a->page['content'] = $arr['content'];
387 if ($a->module_class) {
388 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
389 } else if (function_exists($a->module . '_content')) {
390 $func = $a->module . '_content';
391 $arr = ['content' => $func($a)];
393 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
394 $a->page['content'] .= $arr['content'];
397 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded')) {
398 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded';
404 * Create the page head after setting the language
405 * and getting any auth credentials.
407 * Moved init_pagehead() and init_page_end() to after
408 * all the module functions have executed so that all
409 * theme choices made by the modules can take effect.
415 * Build the page ending -- this is stuff that goes right before
416 * the closing </body> tag
420 // If you're just visiting, let javascript take you home
421 if (x($_SESSION, 'visitor_home')) {
422 $homebase = $_SESSION['visitor_home'];
423 } elseif (local_user()) {
424 $homebase = 'profile/' . $a->user['nickname'];
427 if (isset($homebase)) {
428 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
432 * now that we've been through the module content, see if the page reported
433 * a permission problem and if so, a 403 response would seem to be in order.
435 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
436 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
440 * Report anything which needs to be communicated in the notification area (before the main body)
442 Addon::callHooks('page_end', $a->page['content']);
445 * Add the navigation (menu) template
447 if ($a->module != 'install' && $a->module != 'maintenance') {
452 * Add a "toggle mobile" link if we're using a mobile device
454 if ($a->is_mobile || $a->is_tablet) {
455 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
456 $link = 'toggle_mobile?address=' . curPageURL();
458 $link = 'toggle_mobile?off=1&address=' . curPageURL();
460 $a->page['footer'] = replace_macros(
461 get_markup_template("toggle_mobile_footer.tpl"),
463 '$toggle_link' => $link,
464 '$toggle_text' => L10n::t('toggle mobile')]
469 * Build the page - now that we have all the components
472 if (!$a->theme['stylesheet']) {
473 $stylesheet = $a->getCurrentThemeStylesheetPath();
475 $stylesheet = $a->theme['stylesheet'];
478 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
479 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
481 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
482 $doc = new DOMDocument();
484 $target = new DOMDocument();
485 $target->loadXML("<root></root>");
487 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
489 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
490 @$doc->loadHTML($content);
492 $xpath = new DOMXPath($doc);
494 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
496 foreach ($list as $item) {
497 $item = $target->importNode($item, true);
499 // And then append it to the target
500 $target->documentElement->appendChild($item);
504 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
505 header("Content-type: text/html; charset=utf-8");
507 echo substr($target->saveHTML(), 6, -8);
513 $profile = $a->profile;
515 header("X-Friendica-Version: " . FRIENDICA_VERSION);
516 header("Content-type: text/html; charset=utf-8");
518 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
519 header("Strict-Transport-Security: max-age=31536000");
522 // Some security stuff
523 header('X-Content-Type-Options: nosniff');
524 header('X-XSS-Protection: 1; mode=block');
525 header('X-Permitted-Cross-Domain-Policies: none');
526 header('X-Frame-Options: sameorigin');
528 // Things like embedded OSM maps don't work, when this is enabled
529 // 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'");
532 * We use $_GET["mode"] for special page templates. So we will check if we have
533 * to load another page template than the default one.
534 * The page templates are located in /view/php/ or in the theme directory.
536 if (isset($_GET["mode"])) {
537 $template = Theme::getPathForFile($_GET["mode"] . '.php');
540 // If there is no page template use the default page template
541 if (empty($template)) {
542 $template = Theme::getPathForFile("default.php");
545 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
546 require_once $template;