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 $a = new App(__DIR__);
28 // We assume that the index.php is called by a frontend process
29 // The value is set to "true" by default in boot.php
33 * Try to open the database;
36 require_once "include/dba.php";
38 if (!$a->mode == App::MODE_INSTALL) {
39 if (!dba::connected()) {
40 System::unavailable();
44 * Load configs from db. Overwrite configs from config/local.ini.php
49 if ($a->max_processes_reached() || $a->maxload_reached()) {
50 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
51 header('Retry-After: 120');
52 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
53 die("System is currently unavailable. Please try again later");
56 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
57 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
58 && (substr(System::baseUrl(), 0, 8) == "https://")
59 && ($_SERVER['REQUEST_METHOD'] == 'GET')) {
60 header("HTTP/1.1 302 Moved Temporarily");
61 header("Location: " . System::baseUrl() . "/" . $a->query_string);
68 Addon::callHooks('init_1');
71 $lang = L10n::getBrowserLanguage();
73 L10n::loadTranslationTable($lang);
76 * Important stuff we always need to do.
78 * The order of these may be important so use caution if you think they're all
79 * intertwingled with no logical order and decide to sort it out. Some of the
80 * dependencies have changed, but at least at one time in the recent past - the
81 * order was critical to everything working properly
84 // Exclude the backend processes from the session management
85 if (!$a->is_backend()) {
86 $stamp1 = microtime(true);
88 $a->save_timestamp($stamp1, "parser");
91 Worker::executeIfIdle();
95 * Language was set earlier, but we can over-ride it in the session.
96 * We have to do it here because the session was just now opened.
98 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
99 // we haven't loaded user data yet, but we need user language
100 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
101 $_SESSION['language'] = $lang;
102 if (DBM::is_result($user)) {
103 $_SESSION['language'] = $user['language'];
107 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
108 $lang = $_SESSION['language'];
109 L10n::loadTranslationTable($lang);
112 if ((x($_GET,'zrl')) && $a->mode == App::MODE_NORMAL) {
113 $a->query_string = Profile::stripZrls($a->query_string);
115 // Only continue when the given profile link seems valid
116 // Valid profile links contain a path with "/profile/" and no query parameters
117 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
118 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
119 if (defaults($_SESSION, "visitor_home", "") != $_GET["zrl"]) {
120 $_SESSION['my_url'] = $_GET['zrl'];
121 $_SESSION['authenticated'] = 0;
123 Profile::zrlInit($a);
125 // Someone came with an invalid parameter, maybe as a DDoS attempt
126 // We simply stop processing here
127 logger("Invalid ZRL parameter " . $_GET['zrl'], LOGGER_DEBUG);
128 header('HTTP/1.1 403 Forbidden');
129 echo "<h1>403 Forbidden</h1>";
135 if ((x($_GET,'owt')) && $a->mode == App::MODE_NORMAL) {
136 $token = $_GET['owt'];
137 $a->query_string = Profile::stripQueryParam($a->query_string, 'owt');
138 Profile::openWebAuthInit($token);
142 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
143 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
144 * this way. There's a PHP flag to link the headers because by default this will over-write any other
147 * What we really need to do is output the raw headers ourselves so we can keep them separate.
150 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
152 Login::sessionAuth();
154 if (! x($_SESSION, 'authenticated')) {
155 header('X-Account-Management-Status: none');
158 /* set up page['htmlhead'] and page['end'] for the modules to use */
159 $a->page['htmlhead'] = '';
160 $a->page['end'] = '';
162 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
163 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
164 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
167 * check_config() is responsible for running update scripts. These automatically
168 * update the DB schema whenever we push a new one out. It also checks to see if
169 * any addons have been added or removed and reacts accordingly.
172 // in install mode, any url loads install module
173 // but we need "view" module for stylesheet
174 if ($a->mode == App::MODE_INSTALL && $a->module!="view") {
175 $a->module = 'install';
176 } elseif ($a->mode == App::MODE_MAINTENANCE && $a->module!="view") {
177 $a->module = 'maintenance';
184 Nav::setSelected('nothing');
186 //Don't populate apps_menu if apps are private
187 $privateapps = Config::get('config', 'private_addons');
188 if ((local_user()) || (! $privateapps === "1")) {
189 $arr = ['app_menu' => $a->apps];
191 Addon::callHooks('app_menu', $arr);
193 $a->apps = $arr['app_menu'];
197 * We have already parsed the server path into $a->argc and $a->argv
199 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
200 * and use it for handling our URL request.
201 * The module file contains a few functions that we call in various circumstances
202 * and in the following order:
205 * "module"_post (only called if there are $_POST variables)
207 * "module"_content - the string return of this function contains our page body
209 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
210 * so within the module init and/or post functions and then invoke killme() to terminate
211 * further processing.
213 if (strlen($a->module)) {
216 * We will always have a module name.
217 * First see if we have an addon which is masquerading as a module.
220 // Compatibility with the Android Diaspora client
221 if ($a->module == 'stream') {
222 goaway('network?f=&order=post');
225 if ($a->module == 'conversations') {
229 if ($a->module == 'commented') {
230 goaway('network?f=&order=comment');
233 if ($a->module == 'liked') {
234 goaway('network?f=&order=comment');
237 if ($a->module == 'activity') {
238 goaway('network/?f=&conv=1');
241 if (($a->module == 'status_messages') && ($a->cmd == 'status_messages/new')) {
242 goaway('bookmarklet');
245 if (($a->module == 'user') && ($a->cmd == 'user/edit')) {
249 if (($a->module == 'tag_followings') && ($a->cmd == 'tag_followings/manage')) {
253 // Compatibility with the Firefox App
254 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
255 $a->module = "login";
258 $privateapps = Config::get('config', 'private_addons');
260 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
261 //Check if module is an app and if public access to apps is allowed or not
262 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
263 info(L10n::t("You must be logged in to use addons. "));
265 include_once "addon/{$a->module}/{$a->module}.php";
266 if (function_exists($a->module . '_module')) {
267 $a->module_loaded = true;
272 // Controller class routing
273 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
274 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
275 $a->module_loaded = true;
279 * If not, next look for a 'standard' program module in the 'mod' directory
282 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
283 include_once "mod/{$a->module}.php";
284 $a->module_loaded = true;
288 * The URL provided does not resolve to a valid module.
290 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
291 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
292 * 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
293 * this will often succeed and eventually do the right thing.
295 * Otherwise we are going to emit a 404 not found.
298 if (! $a->module_loaded) {
299 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
300 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
304 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
305 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
306 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
309 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
310 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
311 $tpl = get_markup_template("404.tpl");
312 $a->page['content'] = replace_macros(
315 '$message' => L10n::t('Page not found.')]
321 * Load current theme info
323 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
324 if (file_exists($theme_info_file)) {
325 require_once $theme_info_file;
329 /* initialise content region */
331 if (! x($a->page, 'content')) {
332 $a->page['content'] = '';
335 if ($a->mode == App::MODE_NORMAL) {
336 Addon::callHooks('page_content_top', $a->page['content']);
340 * Call module functions
343 if ($a->module_loaded) {
344 $a->page['page_title'] = $a->module;
347 if ($a->module_class) {
348 Addon::callHooks($a->module . '_mod_init', $placeholder);
349 call_user_func([$a->module_class, 'init']);
350 } else if (function_exists($a->module . '_init')) {
351 Addon::callHooks($a->module . '_mod_init', $placeholder);
352 $func = $a->module . '_init';
356 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_init')) {
357 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_init';
361 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
362 Addon::callHooks($a->module . '_mod_post', $_POST);
363 if ($a->module_class) {
364 call_user_func([$a->module_class, 'post']);
365 } else if (function_exists($a->module . '_post')) {
366 $func = $a->module . '_post';
372 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
373 if ($a->module_class) {
374 call_user_func([$a->module_class, 'afterpost']);
375 } else if (function_exists($a->module . '_afterpost')) {
376 $func = $a->module . '_afterpost';
382 $arr = ['content' => $a->page['content']];
383 Addon::callHooks($a->module . '_mod_content', $arr);
384 $a->page['content'] = $arr['content'];
385 if ($a->module_class) {
386 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
387 } else if (function_exists($a->module . '_content')) {
388 $func = $a->module . '_content';
389 $arr = ['content' => $func($a)];
391 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
392 $a->page['content'] .= $arr['content'];
395 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded')) {
396 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded';
402 * Create the page head after setting the language
403 * and getting any auth credentials.
405 * Moved init_pagehead() and init_page_end() to after
406 * all the module functions have executed so that all
407 * theme choices made by the modules can take effect.
413 * Build the page ending -- this is stuff that goes right before
414 * the closing </body> tag
418 // If you're just visiting, let javascript take you home
419 if (x($_SESSION, 'visitor_home')) {
420 $homebase = $_SESSION['visitor_home'];
421 } elseif (local_user()) {
422 $homebase = 'profile/' . $a->user['nickname'];
425 if (isset($homebase)) {
426 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
430 * now that we've been through the module content, see if the page reported
431 * a permission problem and if so, a 403 response would seem to be in order.
433 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
434 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
438 * Report anything which needs to be communicated in the notification area (before the main body)
440 Addon::callHooks('page_end', $a->page['content']);
443 * Add the navigation (menu) template
445 if ($a->module != 'install' && $a->module != 'maintenance') {
450 * Add a "toggle mobile" link if we're using a mobile device
452 if ($a->is_mobile || $a->is_tablet) {
453 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
454 $link = 'toggle_mobile?address=' . curPageURL();
456 $link = 'toggle_mobile?off=1&address=' . curPageURL();
458 $a->page['footer'] = replace_macros(
459 get_markup_template("toggle_mobile_footer.tpl"),
461 '$toggle_link' => $link,
462 '$toggle_text' => L10n::t('toggle mobile')]
467 * Build the page - now that we have all the components
470 if (!$a->theme['stylesheet']) {
471 $stylesheet = $a->getCurrentThemeStylesheetPath();
473 $stylesheet = $a->theme['stylesheet'];
476 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
477 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
479 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
480 $doc = new DOMDocument();
482 $target = new DOMDocument();
483 $target->loadXML("<root></root>");
485 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
487 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
488 @$doc->loadHTML($content);
490 $xpath = new DOMXPath($doc);
492 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
494 foreach ($list as $item) {
495 $item = $target->importNode($item, true);
497 // And then append it to the target
498 $target->documentElement->appendChild($item);
502 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
503 header("Content-type: text/html; charset=utf-8");
505 echo substr($target->saveHTML(), 6, -8);
511 $profile = $a->profile;
513 header("X-Friendica-Version: " . FRIENDICA_VERSION);
514 header("Content-type: text/html; charset=utf-8");
516 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
517 header("Strict-Transport-Security: max-age=31536000");
520 // Some security stuff
521 header('X-Content-Type-Options: nosniff');
522 header('X-XSS-Protection: 1; mode=block');
523 header('X-Permitted-Cross-Domain-Policies: none');
524 header('X-Frame-Options: sameorigin');
526 // Things like embedded OSM maps don't work, when this is enabled
527 // 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'");
530 * We use $_GET["mode"] for special page templates. So we will check if we have
531 * to load another page template than the default one.
532 * The page templates are located in /view/php/ or in the theme directory.
534 if (isset($_GET["mode"])) {
535 $template = Theme::getPathForFile($_GET["mode"] . '.php');
538 // If there is no page template use the default page template
539 if (empty($template)) {
540 $template = Theme::getPathForFile("default.php");
543 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
544 require_once $template;