8 * Bootstrap the application
12 use Friendica\Content\Nav;
13 use Friendica\Core\Addon;
14 use Friendica\Core\Config;
15 use Friendica\Core\L10n;
16 use Friendica\Core\Session;
17 use Friendica\Core\System;
18 use Friendica\Core\Theme;
19 use Friendica\Core\Worker;
20 use Friendica\Database\DBM;
21 use Friendica\Model\Profile;
22 use Friendica\Module\Login;
24 require_once 'boot.php';
26 $a = new App(__DIR__);
28 // We assume that the index.php is called by a frontend process
29 // The value is set to "true" by default in boot.php
32 // Only load config if found, don't suppress errors
33 if (!$a->mode == App::MODE_INSTALL) {
34 include ".htconfig.php";
38 * Try to open the database;
41 require_once "include/dba.php";
43 if (!$a->mode == App::MODE_INSTALL) {
44 if (!dba::connected()) {
45 System::unavailable();
49 * Load configs from db. Overwrite configs from config/local.ini.php
54 if ($a->max_processes_reached() || $a->maxload_reached()) {
55 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
56 header('Retry-After: 120');
57 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
58 die("System is currently unavailable. Please try again later");
61 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
62 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
63 && (substr(System::baseUrl(), 0, 8) == "https://")
64 && ($_SERVER['REQUEST_METHOD'] == 'GET')) {
65 header("HTTP/1.1 302 Moved Temporarily");
66 header("Location: " . System::baseUrl() . "/" . $a->query_string);
73 Addon::callHooks('init_1');
76 $lang = L10n::getBrowserLanguage();
78 L10n::loadTranslationTable($lang);
81 * Important stuff we always need to do.
83 * The order of these may be important so use caution if you think they're all
84 * intertwingled with no logical order and decide to sort it out. Some of the
85 * dependencies have changed, but at least at one time in the recent past - the
86 * order was critical to everything working properly
89 // Exclude the backend processes from the session management
90 if (!$a->is_backend()) {
91 $stamp1 = microtime(true);
93 $a->save_timestamp($stamp1, "parser");
96 Worker::executeIfIdle();
100 * Language was set earlier, but we can over-ride it in the session.
101 * We have to do it here because the session was just now opened.
103 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
104 // we haven't loaded user data yet, but we need user language
105 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
106 $_SESSION['language'] = $lang;
107 if (DBM::is_result($user)) {
108 $_SESSION['language'] = $user['language'];
112 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
113 $lang = $_SESSION['language'];
114 L10n::loadTranslationTable($lang);
117 if ((x($_GET,'zrl')) && $a->mode == App::MODE_NORMAL) {
118 $a->query_string = Profile::stripZrls($a->query_string);
120 // Only continue when the given profile link seems valid
121 // Valid profile links contain a path with "/profile/" and no query parameters
122 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
123 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
124 if (defaults($_SESSION, "visitor_home", "") != $_GET["zrl"]) {
125 $_SESSION['my_url'] = $_GET['zrl'];
126 $_SESSION['authenticated'] = 0;
128 Profile::zrlInit($a);
130 // Someone came with an invalid parameter, maybe as a DDoS attempt
131 // We simply stop processing here
132 logger("Invalid ZRL parameter " . $_GET['zrl'], LOGGER_DEBUG);
133 header('HTTP/1.1 403 Forbidden');
134 echo "<h1>403 Forbidden</h1>";
140 if ((x($_GET,'owt')) && $a->mode == App::MODE_NORMAL) {
141 $token = $_GET['owt'];
142 $a->query_string = Profile::stripQueryParam($a->query_string, 'owt');
143 Profile::openWebAuthInit($token);
147 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
148 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
149 * this way. There's a PHP flag to link the headers because by default this will over-write any other
152 * What we really need to do is output the raw headers ourselves so we can keep them separate.
155 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
157 Login::sessionAuth();
159 if (! x($_SESSION, 'authenticated')) {
160 header('X-Account-Management-Status: none');
163 /* set up page['htmlhead'] and page['end'] for the modules to use */
164 $a->page['htmlhead'] = '';
165 $a->page['end'] = '';
167 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
168 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
169 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
172 * check_config() is responsible for running update scripts. These automatically
173 * update the DB schema whenever we push a new one out. It also checks to see if
174 * any addons have been added or removed and reacts accordingly.
177 // in install mode, any url loads install module
178 // but we need "view" module for stylesheet
179 if ($a->mode == App::MODE_INSTALL && $a->module!="view") {
180 $a->module = 'install';
181 } elseif ($a->mode == App::MODE_MAINTENANCE && $a->module!="view") {
182 $a->module = 'maintenance';
189 Nav::setSelected('nothing');
191 //Don't populate apps_menu if apps are private
192 $privateapps = Config::get('config', 'private_addons');
193 if ((local_user()) || (! $privateapps === "1")) {
194 $arr = ['app_menu' => $a->apps];
196 Addon::callHooks('app_menu', $arr);
198 $a->apps = $arr['app_menu'];
202 * We have already parsed the server path into $a->argc and $a->argv
204 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
205 * and use it for handling our URL request.
206 * The module file contains a few functions that we call in various circumstances
207 * and in the following order:
210 * "module"_post (only called if there are $_POST variables)
212 * "module"_content - the string return of this function contains our page body
214 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
215 * so within the module init and/or post functions and then invoke killme() to terminate
216 * further processing.
218 if (strlen($a->module)) {
221 * We will always have a module name.
222 * First see if we have an addon which is masquerading as a module.
225 // Compatibility with the Android Diaspora client
226 if ($a->module == 'stream') {
227 goaway('network?f=&order=post');
230 if ($a->module == 'conversations') {
234 if ($a->module == 'commented') {
235 goaway('network?f=&order=comment');
238 if ($a->module == 'liked') {
239 goaway('network?f=&order=comment');
242 if ($a->module == 'activity') {
243 goaway('network/?f=&conv=1');
246 if (($a->module == 'status_messages') && ($a->cmd == 'status_messages/new')) {
247 goaway('bookmarklet');
250 if (($a->module == 'user') && ($a->cmd == 'user/edit')) {
254 if (($a->module == 'tag_followings') && ($a->cmd == 'tag_followings/manage')) {
258 // Compatibility with the Firefox App
259 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
260 $a->module = "login";
263 $privateapps = Config::get('config', 'private_addons');
265 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
266 //Check if module is an app and if public access to apps is allowed or not
267 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
268 info(L10n::t("You must be logged in to use addons. "));
270 include_once "addon/{$a->module}/{$a->module}.php";
271 if (function_exists($a->module . '_module')) {
272 $a->module_loaded = true;
277 // Controller class routing
278 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
279 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
280 $a->module_loaded = true;
284 * If not, next look for a 'standard' program module in the 'mod' directory
287 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
288 include_once "mod/{$a->module}.php";
289 $a->module_loaded = true;
293 * The URL provided does not resolve to a valid module.
295 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
296 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
297 * 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
298 * this will often succeed and eventually do the right thing.
300 * Otherwise we are going to emit a 404 not found.
303 if (! $a->module_loaded) {
304 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
305 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
309 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
310 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
311 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
314 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
315 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
316 $tpl = get_markup_template("404.tpl");
317 $a->page['content'] = replace_macros(
320 '$message' => L10n::t('Page not found.')]
326 * Load current theme info
328 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
329 if (file_exists($theme_info_file)) {
330 require_once $theme_info_file;
334 /* initialise content region */
336 if (! x($a->page, 'content')) {
337 $a->page['content'] = '';
340 if ($a->mode == App::MODE_NORMAL) {
341 Addon::callHooks('page_content_top', $a->page['content']);
345 * Call module functions
348 if ($a->module_loaded) {
349 $a->page['page_title'] = $a->module;
352 if ($a->module_class) {
353 Addon::callHooks($a->module . '_mod_init', $placeholder);
354 call_user_func([$a->module_class, 'init']);
355 } else if (function_exists($a->module . '_init')) {
356 Addon::callHooks($a->module . '_mod_init', $placeholder);
357 $func = $a->module . '_init';
361 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_init')) {
362 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_init';
366 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
367 Addon::callHooks($a->module . '_mod_post', $_POST);
368 if ($a->module_class) {
369 call_user_func([$a->module_class, 'post']);
370 } else if (function_exists($a->module . '_post')) {
371 $func = $a->module . '_post';
377 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
378 if ($a->module_class) {
379 call_user_func([$a->module_class, 'afterpost']);
380 } else if (function_exists($a->module . '_afterpost')) {
381 $func = $a->module . '_afterpost';
387 $arr = ['content' => $a->page['content']];
388 Addon::callHooks($a->module . '_mod_content', $arr);
389 $a->page['content'] = $arr['content'];
390 if ($a->module_class) {
391 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
392 } else if (function_exists($a->module . '_content')) {
393 $func = $a->module . '_content';
394 $arr = ['content' => $func($a)];
396 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
397 $a->page['content'] .= $arr['content'];
400 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded')) {
401 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded';
407 * Create the page head after setting the language
408 * and getting any auth credentials.
410 * Moved init_pagehead() and init_page_end() to after
411 * all the module functions have executed so that all
412 * theme choices made by the modules can take effect.
418 * Build the page ending -- this is stuff that goes right before
419 * the closing </body> tag
423 // If you're just visiting, let javascript take you home
424 if (x($_SESSION, 'visitor_home')) {
425 $homebase = $_SESSION['visitor_home'];
426 } elseif (local_user()) {
427 $homebase = 'profile/' . $a->user['nickname'];
430 if (isset($homebase)) {
431 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
435 * now that we've been through the module content, see if the page reported
436 * a permission problem and if so, a 403 response would seem to be in order.
438 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
439 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
443 * Report anything which needs to be communicated in the notification area (before the main body)
445 Addon::callHooks('page_end', $a->page['content']);
448 * Add the navigation (menu) template
450 if ($a->module != 'install' && $a->module != 'maintenance') {
455 * Add a "toggle mobile" link if we're using a mobile device
457 if ($a->is_mobile || $a->is_tablet) {
458 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
459 $link = 'toggle_mobile?address=' . curPageURL();
461 $link = 'toggle_mobile?off=1&address=' . curPageURL();
463 $a->page['footer'] = replace_macros(
464 get_markup_template("toggle_mobile_footer.tpl"),
466 '$toggle_link' => $link,
467 '$toggle_text' => L10n::t('toggle mobile')]
472 * Build the page - now that we have all the components
475 if (!$a->theme['stylesheet']) {
476 $stylesheet = $a->getCurrentThemeStylesheetPath();
478 $stylesheet = $a->theme['stylesheet'];
481 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
482 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
484 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
485 $doc = new DOMDocument();
487 $target = new DOMDocument();
488 $target->loadXML("<root></root>");
490 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
492 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
493 @$doc->loadHTML($content);
495 $xpath = new DOMXPath($doc);
497 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
499 foreach ($list as $item) {
500 $item = $target->importNode($item, true);
502 // And then append it to the target
503 $target->documentElement->appendChild($item);
507 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
508 header("Content-type: text/html; charset=utf-8");
510 echo substr($target->saveHTML(), 6, -8);
516 $profile = $a->profile;
518 header("X-Friendica-Version: " . FRIENDICA_VERSION);
519 header("Content-type: text/html; charset=utf-8");
521 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
522 header("Strict-Transport-Security: max-age=31536000");
525 // Some security stuff
526 header('X-Content-Type-Options: nosniff');
527 header('X-XSS-Protection: 1; mode=block');
528 header('X-Permitted-Cross-Domain-Policies: none');
529 header('X-Frame-Options: sameorigin');
531 // Things like embedded OSM maps don't work, when this is enabled
532 // 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'");
535 * We use $_GET["mode"] for special page templates. So we will check if we have
536 * to load another page template than the default one.
537 * The page templates are located in /view/php/ or in the theme directory.
539 if (isset($_GET["mode"])) {
540 $template = Theme::getPathForFile($_GET["mode"] . '.php');
543 // If there is no page template use the default page template
544 if (empty($template)) {
545 $template = Theme::getPathForFile("default.php");
548 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
549 require_once $template;