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';
28 $a = new App(__DIR__);
30 BaseObject::setApp($a);
32 // We assume that the index.php is called by a frontend process
33 // The value is set to "true" by default in boot.php
37 * Load the configuration file which contains our DB credentials.
38 * Ignore errors. If the file doesn't exist or is empty, we are running in
42 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
44 // Only load config if found, don't surpress errors
46 include ".htconfig.php";
50 * Try to open the database;
53 require_once "include/dba.php";
56 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
57 unset($db_host, $db_user, $db_pass, $db_data);
60 * Load configs from db. Overwrite configs from .htconfig.php
65 if ($a->max_processes_reached() || $a->maxload_reached()) {
66 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
67 header('Retry-After: 120');
68 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
69 die("System is currently unavailable. Please try again later");
72 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
73 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
74 && (substr(System::baseUrl(), 0, 8) == "https://")
76 header("HTTP/1.1 302 Moved Temporarily");
77 header("Location: " . System::baseUrl() . "/" . $a->query_string);
83 Addon::callHooks('init_1');
85 $maintenance = Config::get('system', 'maintenance');
88 $lang = L10n::getBrowserLanguage();
90 L10n::loadTranslationTable($lang);
93 * Important stuff we always need to do.
95 * The order of these may be important so use caution if you think they're all
96 * intertwingled with no logical order and decide to sort it out. Some of the
97 * dependencies have changed, but at least at one time in the recent past - the
98 * order was critical to everything working properly
101 // Exclude the backend processes from the session management
102 if (!$a->is_backend()) {
103 $stamp1 = microtime(true);
105 $a->save_timestamp($stamp1, "parser");
108 Worker::executeIfIdle();
112 * Language was set earlier, but we can over-ride it in the session.
113 * We have to do it here because the session was just now opened.
115 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
116 // we haven't loaded user data yet, but we need user language
117 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
118 $_SESSION['language'] = $lang;
119 if (DBM::is_result($user)) {
120 $_SESSION['language'] = $user['language'];
124 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
125 $lang = $_SESSION['language'];
126 L10n::loadTranslationTable($lang);
129 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
130 // Only continue when the given profile link seems valid
131 // Valid profile links contain a path with "/profile/" and no query parameters
132 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
133 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
135 $_SESSION['my_url'] = $_GET['zrl'];
136 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
137 Profile::zrlInit($a);
139 // Someone came with an invalid parameter, maybe as a DDoS attempt
140 // We simply stop processing here
141 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
142 header('HTTP/1.1 403 Forbidden');
143 echo "<h1>403 Forbidden</h1>";
149 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
150 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
151 * this way. There's a PHP flag to link the headers because by default this will over-write any other
154 * What we really need to do is output the raw headers ourselves so we can keep them separate.
157 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
159 Login::sessionAuth();
161 if (! x($_SESSION, 'authenticated')) {
162 header('X-Account-Management-Status: none');
165 /* set up page['htmlhead'] and page['end'] for the modules to use */
166 $a->page['htmlhead'] = '';
167 $a->page['end'] = '';
170 if (x($_SESSION, 'sysmsg') === false) {
171 $_SESSION['sysmsg'] = [];
174 if (x($_SESSION, 'sysmsg_info') === false) {
175 $_SESSION['sysmsg_info'] = [];
178 // Array for informations about last received items
179 if (x($_SESSION, 'last_updated') === false) {
180 $_SESSION['last_updated'] = [];
183 * check_config() is responsible for running update scripts. These automatically
184 * update the DB schema whenever we push a new one out. It also checks to see if
185 * any addons have been added or removed and reacts accordingly.
188 // in install mode, any url loads install module
189 // but we need "view" module for stylesheet
190 if ($install && $a->module!="view") {
191 $a->module = 'install';
192 } elseif ($maintenance && $a->module!="view") {
193 $a->module = 'maintenance';
200 Nav::setSelected('nothing');
202 //Don't populate apps_menu if apps are private
203 $privateapps = Config::get('config', 'private_addons');
204 if ((local_user()) || (! $privateapps === "1")) {
205 $arr = ['app_menu' => $a->apps];
207 Addon::callHooks('app_menu', $arr);
209 $a->apps = $arr['app_menu'];
213 * We have already parsed the server path into $a->argc and $a->argv
215 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
216 * and use it for handling our URL request.
217 * The module file contains a few functions that we call in various circumstances
218 * and in the following order:
221 * "module"_post (only called if there are $_POST variables)
223 * "module"_content - the string return of this function contains our page body
225 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
226 * so within the module init and/or post functions and then invoke killme() to terminate
227 * further processing.
229 if (strlen($a->module)) {
232 * We will always have a module name.
233 * First see if we have an addon which is masquerading as a module.
236 // Compatibility with the Android Diaspora client
237 if ($a->module == "stream") {
238 $a->module = "network";
241 // Compatibility with the Firefox App
242 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
243 $a->module = "login";
246 $privateapps = Config::get('config', 'private_addons');
248 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
249 //Check if module is an app and if public access to apps is allowed or not
250 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
251 info(L10n::t("You must be logged in to use addons. "));
253 include_once "addon/{$a->module}/{$a->module}.php";
254 if (function_exists($a->module . '_module')) {
255 $a->module_loaded = true;
260 // Controller class routing
261 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
262 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
263 $a->module_loaded = true;
267 * If not, next look for a 'standard' program module in the 'mod' directory
270 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
271 include_once "mod/{$a->module}.php";
272 $a->module_loaded = true;
276 * The URL provided does not resolve to a valid module.
278 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
279 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
280 * 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
281 * this will often succeed and eventually do the right thing.
283 * Otherwise we are going to emit a 404 not found.
286 if (! $a->module_loaded) {
287 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
288 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
292 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
293 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
294 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
297 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
298 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
299 $tpl = get_markup_template("404.tpl");
300 $a->page['content'] = replace_macros(
303 '$message' => L10n::t('Page not found.')]
309 * Load current theme info
311 $theme_info_file = "view/theme/".current_theme()."/theme.php";
312 if (file_exists($theme_info_file)) {
313 require_once $theme_info_file;
317 /* initialise content region */
319 if (! x($a->page, 'content')) {
320 $a->page['content'] = '';
323 if (!$install && !$maintenance) {
324 Addon::callHooks('page_content_top', $a->page['content']);
328 * Call module functions
331 if ($a->module_loaded) {
332 $a->page['page_title'] = $a->module;
335 if ($a->module_class) {
336 Addon::callHooks($a->module . '_mod_init', $placeholder);
337 call_user_func([$a->module_class, 'init']);
338 } else if (function_exists($a->module . '_init')) {
339 Addon::callHooks($a->module . '_mod_init', $placeholder);
340 $func = $a->module . '_init';
344 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
345 $func = str_replace('-', '_', current_theme()) . '_init';
349 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
350 Addon::callHooks($a->module . '_mod_post', $_POST);
351 if ($a->module_class) {
352 call_user_func([$a->module_class, 'post']);
353 } else if (function_exists($a->module . '_post')) {
354 $func = $a->module . '_post';
360 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
361 if ($a->module_class) {
362 call_user_func([$a->module_class, 'afterpost']);
363 } else if (function_exists($a->module . '_afterpost')) {
364 $func = $a->module . '_afterpost';
370 $arr = ['content' => $a->page['content']];
371 Addon::callHooks($a->module . '_mod_content', $arr);
372 $a->page['content'] = $arr['content'];
373 if ($a->module_class) {
374 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
375 } else if (function_exists($a->module . '_content')) {
376 $func = $a->module . '_content';
377 $arr = ['content' => $func($a)];
379 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
380 $a->page['content'] .= $arr['content'];
383 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
384 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
390 * Create the page head after setting the language
391 * and getting any auth credentials.
393 * Moved init_pagehead() and init_page_end() to after
394 * all the module functions have executed so that all
395 * theme choices made by the modules can take effect.
401 * Build the page ending -- this is stuff that goes right before
402 * the closing </body> tag
406 // If you're just visiting, let javascript take you home
407 if (x($_SESSION, 'visitor_home')) {
408 $homebase = $_SESSION['visitor_home'];
409 } elseif (local_user()) {
410 $homebase = 'profile/' . $a->user['nickname'];
413 if (isset($homebase)) {
414 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
418 * now that we've been through the module content, see if the page reported
419 * a permission problem and if so, a 403 response would seem to be in order.
421 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
422 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
426 * Report anything which needs to be communicated in the notification area (before the main body)
428 Addon::callHooks('page_end', $a->page['content']);
431 * Add the navigation (menu) template
433 if ($a->module != 'install' && $a->module != 'maintenance') {
438 * Add a "toggle mobile" link if we're using a mobile device
440 if ($a->is_mobile || $a->is_tablet) {
441 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
442 $link = 'toggle_mobile?address=' . curPageURL();
444 $link = 'toggle_mobile?off=1&address=' . curPageURL();
446 $a->page['footer'] = replace_macros(
447 get_markup_template("toggle_mobile_footer.tpl"),
449 '$toggle_link' => $link,
450 '$toggle_text' => L10n::t('toggle mobile')]
455 * Build the page - now that we have all the components
458 if (!$a->theme['stylesheet']) {
459 $stylesheet = current_theme_url();
461 $stylesheet = $a->theme['stylesheet'];
464 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
465 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
467 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
468 $doc = new DOMDocument();
470 $target = new DOMDocument();
471 $target->loadXML("<root></root>");
473 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
475 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
476 @$doc->loadHTML($content);
478 $xpath = new DOMXPath($doc);
480 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
482 foreach ($list as $item) {
483 $item = $target->importNode($item, true);
485 // And then append it to the target
486 $target->documentElement->appendChild($item);
490 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
491 header("Content-type: text/html; charset=utf-8");
493 echo substr($target->saveHTML(), 6, -8);
499 $profile = $a->profile;
501 header("X-Friendica-Version: " . FRIENDICA_VERSION);
502 header("Content-type: text/html; charset=utf-8");
504 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
505 header("Strict-Transport-Security: max-age=31536000");
508 // Some security stuff
509 header('X-Content-Type-Options: nosniff');
510 header('X-XSS-Protection: 1; mode=block');
511 header('X-Permitted-Cross-Domain-Policies: none');
512 header('X-Frame-Options: sameorigin');
514 // Things like embedded OSM maps don't work, when this is enabled
515 // 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'");
518 * We use $_GET["mode"] for special page templates. So we will check if we have
519 * to load another page template than the default one.
520 * The page templates are located in /view/php/ or in the theme directory.
522 if (isset($_GET["mode"])) {
523 $template = Theme::getPathForFile($_GET["mode"] . '.php');
526 // If there is no page template use the default page template
527 if (empty($template)) {
528 $template = Theme::getPathForFile("default.php");
531 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
532 require_once $template;