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 $a->query_string = Profile::stripZrls($a->query_string);
127 // Only continue when the given profile link seems valid
128 // Valid profile links contain a path with "/profile/" and no query parameters
129 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
130 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
131 if ($_SESSION["visitor_home"] != $_GET["zrl"]) {
132 $_SESSION['my_url'] = $_GET['zrl'];
133 $_SESSION['authenticated'] = 0;
135 Profile::zrlInit($a);
137 // Someone came with an invalid parameter, maybe as a DDoS attempt
138 // We simply stop processing here
139 logger("Invalid ZRL parameter " . $_GET['zrl'], LOGGER_DEBUG);
140 header('HTTP/1.1 403 Forbidden');
141 echo "<h1>403 Forbidden</h1>";
147 if ((x($_GET,'owt')) && $a->mode == App::MODE_NORMAL) {
148 $token = $_GET['owt'];
149 $a->query_string = Profile::stripQueryParam($a->query_string, 'owt');
150 Profile::openWebAuthInit($token);
154 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
155 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
156 * this way. There's a PHP flag to link the headers because by default this will over-write any other
159 * What we really need to do is output the raw headers ourselves so we can keep them separate.
162 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
164 Login::sessionAuth();
166 if (! x($_SESSION, 'authenticated')) {
167 header('X-Account-Management-Status: none');
170 /* set up page['htmlhead'] and page['end'] for the modules to use */
171 $a->page['htmlhead'] = '';
172 $a->page['end'] = '';
174 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
175 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
176 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
179 * check_config() is responsible for running update scripts. These automatically
180 * update the DB schema whenever we push a new one out. It also checks to see if
181 * any addons have been added or removed and reacts accordingly.
184 // in install mode, any url loads install module
185 // but we need "view" module for stylesheet
186 if ($a->mode == App::MODE_INSTALL && $a->module!="view") {
187 $a->module = 'install';
188 } elseif ($a->mode == App::MODE_MAINTENANCE && $a->module!="view") {
189 $a->module = 'maintenance';
196 Nav::setSelected('nothing');
198 //Don't populate apps_menu if apps are private
199 $privateapps = Config::get('config', 'private_addons');
200 if ((local_user()) || (! $privateapps === "1")) {
201 $arr = ['app_menu' => $a->apps];
203 Addon::callHooks('app_menu', $arr);
205 $a->apps = $arr['app_menu'];
209 * We have already parsed the server path into $a->argc and $a->argv
211 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
212 * and use it for handling our URL request.
213 * The module file contains a few functions that we call in various circumstances
214 * and in the following order:
217 * "module"_post (only called if there are $_POST variables)
219 * "module"_content - the string return of this function contains our page body
221 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
222 * so within the module init and/or post functions and then invoke killme() to terminate
223 * further processing.
225 if (strlen($a->module)) {
228 * We will always have a module name.
229 * First see if we have an addon which is masquerading as a module.
232 // Compatibility with the Android Diaspora client
233 if ($a->module == 'stream') {
234 goaway('network?f=&order=post');
237 if ($a->module == 'conversations') {
241 if ($a->module == 'commented') {
242 goaway('network?f=&order=comment');
245 if ($a->module == 'liked') {
246 goaway('network?f=&order=comment');
249 if ($a->module == 'activity') {
250 goaway('network/?f=&conv=1');
253 if (($a->module == 'status_messages') && ($a->cmd == 'status_messages/new')) {
254 goaway('bookmarklet');
257 if (($a->module == 'user') && ($a->cmd == 'user/edit')) {
261 if (($a->module == 'tag_followings') && ($a->cmd == 'tag_followings/manage')) {
265 // Compatibility with the Firefox App
266 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
267 $a->module = "login";
270 $privateapps = Config::get('config', 'private_addons');
272 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
273 //Check if module is an app and if public access to apps is allowed or not
274 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
275 info(L10n::t("You must be logged in to use addons. "));
277 include_once "addon/{$a->module}/{$a->module}.php";
278 if (function_exists($a->module . '_module')) {
279 $a->module_loaded = true;
284 // Controller class routing
285 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
286 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
287 $a->module_loaded = true;
291 * If not, next look for a 'standard' program module in the 'mod' directory
294 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
295 include_once "mod/{$a->module}.php";
296 $a->module_loaded = true;
300 * The URL provided does not resolve to a valid module.
302 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
303 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
304 * 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
305 * this will often succeed and eventually do the right thing.
307 * Otherwise we are going to emit a 404 not found.
310 if (! $a->module_loaded) {
311 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
312 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
316 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
317 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
318 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
321 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
322 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
323 $tpl = get_markup_template("404.tpl");
324 $a->page['content'] = replace_macros(
327 '$message' => L10n::t('Page not found.')]
333 * Load current theme info
335 $theme_info_file = 'view/theme/' . $a->getCurrentTheme() . '/theme.php';
336 if (file_exists($theme_info_file)) {
337 require_once $theme_info_file;
341 /* initialise content region */
343 if (! x($a->page, 'content')) {
344 $a->page['content'] = '';
347 if ($a->mode == App::MODE_NORMAL) {
348 Addon::callHooks('page_content_top', $a->page['content']);
352 * Call module functions
355 if ($a->module_loaded) {
356 $a->page['page_title'] = $a->module;
359 if ($a->module_class) {
360 Addon::callHooks($a->module . '_mod_init', $placeholder);
361 call_user_func([$a->module_class, 'init']);
362 } else if (function_exists($a->module . '_init')) {
363 Addon::callHooks($a->module . '_mod_init', $placeholder);
364 $func = $a->module . '_init';
368 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_init')) {
369 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_init';
373 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
374 Addon::callHooks($a->module . '_mod_post', $_POST);
375 if ($a->module_class) {
376 call_user_func([$a->module_class, 'post']);
377 } else if (function_exists($a->module . '_post')) {
378 $func = $a->module . '_post';
384 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
385 if ($a->module_class) {
386 call_user_func([$a->module_class, 'afterpost']);
387 } else if (function_exists($a->module . '_afterpost')) {
388 $func = $a->module . '_afterpost';
394 $arr = ['content' => $a->page['content']];
395 Addon::callHooks($a->module . '_mod_content', $arr);
396 $a->page['content'] = $arr['content'];
397 if ($a->module_class) {
398 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
399 } else if (function_exists($a->module . '_content')) {
400 $func = $a->module . '_content';
401 $arr = ['content' => $func($a)];
403 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
404 $a->page['content'] .= $arr['content'];
407 if (function_exists(str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded')) {
408 $func = str_replace('-', '_', $a->getCurrentTheme()) . '_content_loaded';
414 * Create the page head after setting the language
415 * and getting any auth credentials.
417 * Moved init_pagehead() and init_page_end() to after
418 * all the module functions have executed so that all
419 * theme choices made by the modules can take effect.
425 * Build the page ending -- this is stuff that goes right before
426 * the closing </body> tag
430 // If you're just visiting, let javascript take you home
431 if (x($_SESSION, 'visitor_home')) {
432 $homebase = $_SESSION['visitor_home'];
433 } elseif (local_user()) {
434 $homebase = 'profile/' . $a->user['nickname'];
437 if (isset($homebase)) {
438 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
442 * now that we've been through the module content, see if the page reported
443 * a permission problem and if so, a 403 response would seem to be in order.
445 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
446 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
450 * Report anything which needs to be communicated in the notification area (before the main body)
452 Addon::callHooks('page_end', $a->page['content']);
455 * Add the navigation (menu) template
457 if ($a->module != 'install' && $a->module != 'maintenance') {
462 * Add a "toggle mobile" link if we're using a mobile device
464 if ($a->is_mobile || $a->is_tablet) {
465 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
466 $link = 'toggle_mobile?address=' . curPageURL();
468 $link = 'toggle_mobile?off=1&address=' . curPageURL();
470 $a->page['footer'] = replace_macros(
471 get_markup_template("toggle_mobile_footer.tpl"),
473 '$toggle_link' => $link,
474 '$toggle_text' => L10n::t('toggle mobile')]
479 * Build the page - now that we have all the components
482 if (!$a->theme['stylesheet']) {
483 $stylesheet = $a->getCurrentThemeStylesheetPath();
485 $stylesheet = $a->theme['stylesheet'];
488 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
489 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
491 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
492 $doc = new DOMDocument();
494 $target = new DOMDocument();
495 $target->loadXML("<root></root>");
497 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
499 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
500 @$doc->loadHTML($content);
502 $xpath = new DOMXPath($doc);
504 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
506 foreach ($list as $item) {
507 $item = $target->importNode($item, true);
509 // And then append it to the target
510 $target->documentElement->appendChild($item);
514 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
515 header("Content-type: text/html; charset=utf-8");
517 echo substr($target->saveHTML(), 6, -8);
523 $profile = $a->profile;
525 header("X-Friendica-Version: " . FRIENDICA_VERSION);
526 header("Content-type: text/html; charset=utf-8");
528 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
529 header("Strict-Transport-Security: max-age=31536000");
532 // Some security stuff
533 header('X-Content-Type-Options: nosniff');
534 header('X-XSS-Protection: 1; mode=block');
535 header('X-Permitted-Cross-Domain-Policies: none');
536 header('X-Frame-Options: sameorigin');
538 // Things like embedded OSM maps don't work, when this is enabled
539 // 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'");
542 * We use $_GET["mode"] for special page templates. So we will check if we have
543 * to load another page template than the default one.
544 * The page templates are located in /view/php/ or in the theme directory.
546 if (isset($_GET["mode"])) {
547 $template = Theme::getPathForFile($_GET["mode"] . '.php');
550 // If there is no page template use the default page template
551 if (empty($template)) {
552 $template = Theme::getPathForFile("default.php");
555 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
556 require_once $template;