8 * Bootstrap the application
12 use Friendica\BaseObject;
13 use Friendica\Content\Nav;
14 use Friendica\Core\Addon;
15 use Friendica\Core\System;
16 use Friendica\Core\Theme;
17 use Friendica\Core\Config;
18 use Friendica\Core\L10n;
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';
27 $a = new App(__DIR__);
29 BaseObject::setApp($a);
31 // We assume that the index.php is called by a frontend process
32 // The value is set to "true" by default in boot.php
36 * Load the configuration file which contains our DB credentials.
37 * Ignore errors. If the file doesn't exist or is empty, we are running in
41 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
43 // Only load config if found, don't surpress errors
45 include ".htconfig.php";
49 * Try to open the database;
52 require_once "include/dba.php";
55 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
56 unset($db_host, $db_user, $db_pass, $db_data);
59 * Load configs from db. Overwrite configs from .htconfig.php
64 if ($a->max_processes_reached() || $a->maxload_reached()) {
65 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
66 header('Retry-After: 120');
67 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
68 die("System is currently unavailable. Please try again later");
71 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
72 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
73 && (substr(System::baseUrl(), 0, 8) == "https://")
75 header("HTTP/1.1 302 Moved Temporarily");
76 header("Location: " . System::baseUrl() . "/" . $a->query_string);
80 require_once 'include/session.php';
82 Addon::callHooks('init_1');
84 $maintenance = Config::get('system', 'maintenance');
87 $lang = L10n::getBrowserLanguage();
89 L10n::loadTranslationTable($lang);
92 * Important stuff we always need to do.
94 * The order of these may be important so use caution if you think they're all
95 * intertwingled with no logical order and decide to sort it out. Some of the
96 * dependencies have changed, but at least at one time in the recent past - the
97 * order was critical to everything working properly
100 // Exclude the backend processes from the session management
101 if (!$a->is_backend()) {
102 $stamp1 = microtime(true);
104 $a->save_timestamp($stamp1, "parser");
107 Worker::executeIfIdle();
111 * Language was set earlier, but we can over-ride it in the session.
112 * We have to do it here because the session was just now opened.
114 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
115 // we haven't loaded user data yet, but we need user language
116 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
117 $_SESSION['language'] = $lang;
118 if (DBM::is_result($user)) {
119 $_SESSION['language'] = $user['language'];
123 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
124 $lang = $_SESSION['language'];
125 L10n::loadTranslationTable($lang);
128 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
129 // Only continue when the given profile link seems valid
130 // Valid profile links contain a path with "/profile/" and no query parameters
131 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
132 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
134 $_SESSION['my_url'] = $_GET['zrl'];
135 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
136 Profile::zrlInit($a);
138 // Someone came with an invalid parameter, maybe as a DDoS attempt
139 // We simply stop processing here
140 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
141 header('HTTP/1.1 403 Forbidden');
142 echo "<h1>403 Forbidden</h1>";
148 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
149 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
150 * this way. There's a PHP flag to link the headers because by default this will over-write any other
153 * What we really need to do is output the raw headers ourselves so we can keep them separate.
156 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
158 Login::sessionAuth();
160 if (! x($_SESSION, 'authenticated')) {
161 header('X-Account-Management-Status: none');
164 /* set up page['htmlhead'] and page['end'] for the modules to use */
165 $a->page['htmlhead'] = '';
166 $a->page['end'] = '';
169 if (! x($_SESSION, 'sysmsg')) {
170 $_SESSION['sysmsg'] = [];
173 if (! x($_SESSION, 'sysmsg_info')) {
174 $_SESSION['sysmsg_info'] = [];
177 // Array for informations about last received items
178 if (! x($_SESSION, 'last_updated')) {
179 $_SESSION['last_updated'] = [];
182 * check_config() is responsible for running update scripts. These automatically
183 * update the DB schema whenever we push a new one out. It also checks to see if
184 * any addons have been added or removed and reacts accordingly.
187 // in install mode, any url loads install module
188 // but we need "view" module for stylesheet
189 if ($install && $a->module!="view") {
190 $a->module = 'install';
191 } elseif ($maintenance && $a->module!="view") {
192 $a->module = 'maintenance';
199 Nav::setSelected('nothing');
201 //Don't populate apps_menu if apps are private
202 $privateapps = Config::get('config', 'private_addons');
203 if ((local_user()) || (! $privateapps === "1")) {
204 $arr = ['app_menu' => $a->apps];
206 Addon::callHooks('app_menu', $arr);
208 $a->apps = $arr['app_menu'];
212 * We have already parsed the server path into $a->argc and $a->argv
214 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
215 * and use it for handling our URL request.
216 * The module file contains a few functions that we call in various circumstances
217 * and in the following order:
220 * "module"_post (only called if there are $_POST variables)
222 * "module"_content - the string return of this function contains our page body
224 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
225 * so within the module init and/or post functions and then invoke killme() to terminate
226 * further processing.
228 if (strlen($a->module)) {
231 * We will always have a module name.
232 * First see if we have an addon which is masquerading as a module.
235 // Compatibility with the Android Diaspora client
236 if ($a->module == "stream") {
237 $a->module = "network";
240 // Compatibility with the Firefox App
241 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
242 $a->module = "login";
245 $privateapps = Config::get('config', 'private_addons');
247 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
248 //Check if module is an app and if public access to apps is allowed or not
249 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
250 info(L10n::t("You must be logged in to use addons. "));
252 include_once "addon/{$a->module}/{$a->module}.php";
253 if (function_exists($a->module . '_module')) {
254 $a->module_loaded = true;
259 // Controller class routing
260 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
261 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
262 $a->module_loaded = true;
266 * If not, next look for a 'standard' program module in the 'mod' directory
269 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
270 include_once "mod/{$a->module}.php";
271 $a->module_loaded = true;
275 * The URL provided does not resolve to a valid module.
277 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
278 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
279 * 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
280 * this will often succeed and eventually do the right thing.
282 * Otherwise we are going to emit a 404 not found.
285 if (! $a->module_loaded) {
286 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
287 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
291 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
292 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
293 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
296 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
297 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
298 $tpl = get_markup_template("404.tpl");
299 $a->page['content'] = replace_macros(
302 '$message' => L10n::t('Page not found.')]
308 * Load current theme info
310 $theme_info_file = "view/theme/".current_theme()."/theme.php";
311 if (file_exists($theme_info_file)) {
312 require_once $theme_info_file;
316 /* initialise content region */
318 if (! x($a->page, 'content')) {
319 $a->page['content'] = '';
322 if (!$install && !$maintenance) {
323 Addon::callHooks('page_content_top', $a->page['content']);
327 * Call module functions
330 if ($a->module_loaded) {
331 $a->page['page_title'] = $a->module;
334 if ($a->module_class) {
335 Addon::callHooks($a->module . '_mod_init', $placeholder);
336 call_user_func([$a->module_class, 'init']);
337 } else if (function_exists($a->module . '_init')) {
338 Addon::callHooks($a->module . '_mod_init', $placeholder);
339 $func = $a->module . '_init';
343 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
344 $func = str_replace('-', '_', current_theme()) . '_init';
348 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
349 Addon::callHooks($a->module . '_mod_post', $_POST);
350 if ($a->module_class) {
351 call_user_func([$a->module_class, 'post']);
352 } else if (function_exists($a->module . '_post')) {
353 $func = $a->module . '_post';
359 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
360 if ($a->module_class) {
361 call_user_func([$a->module_class, 'afterpost']);
362 } else if (function_exists($a->module . '_afterpost')) {
363 $func = $a->module . '_afterpost';
369 $arr = ['content' => $a->page['content']];
370 Addon::callHooks($a->module . '_mod_content', $arr);
371 $a->page['content'] = $arr['content'];
372 if ($a->module_class) {
373 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
374 } else if (function_exists($a->module . '_content')) {
375 $func = $a->module . '_content';
376 $arr = ['content' => $func($a)];
378 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
379 $a->page['content'] .= $arr['content'];
382 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
383 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
389 * Create the page head after setting the language
390 * and getting any auth credentials.
392 * Moved init_pagehead() and init_page_end() to after
393 * all the module functions have executed so that all
394 * theme choices made by the modules can take effect.
400 * Build the page ending -- this is stuff that goes right before
401 * the closing </body> tag
405 // If you're just visiting, let javascript take you home
406 if (x($_SESSION, 'visitor_home')) {
407 $homebase = $_SESSION['visitor_home'];
408 } elseif (local_user()) {
409 $homebase = 'profile/' . $a->user['nickname'];
412 if (isset($homebase)) {
413 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
417 * now that we've been through the module content, see if the page reported
418 * a permission problem and if so, a 403 response would seem to be in order.
420 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
421 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
425 * Report anything which needs to be communicated in the notification area (before the main body)
427 Addon::callHooks('page_end', $a->page['content']);
430 * Add the navigation (menu) template
432 if ($a->module != 'install' && $a->module != 'maintenance') {
437 * Add a "toggle mobile" link if we're using a mobile device
439 if ($a->is_mobile || $a->is_tablet) {
440 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
441 $link = 'toggle_mobile?address=' . curPageURL();
443 $link = 'toggle_mobile?off=1&address=' . curPageURL();
445 $a->page['footer'] = replace_macros(
446 get_markup_template("toggle_mobile_footer.tpl"),
448 '$toggle_link' => $link,
449 '$toggle_text' => L10n::t('toggle mobile')]
454 * Build the page - now that we have all the components
457 if (!$a->theme['stylesheet']) {
458 $stylesheet = current_theme_url();
460 $stylesheet = $a->theme['stylesheet'];
463 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
464 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
466 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
467 $doc = new DOMDocument();
469 $target = new DOMDocument();
470 $target->loadXML("<root></root>");
472 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
474 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
475 @$doc->loadHTML($content);
477 $xpath = new DomXPath($doc);
479 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
481 foreach ($list as $item) {
482 $item = $target->importNode($item, true);
484 // And then append it to the target
485 $target->documentElement->appendChild($item);
489 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
490 header("Content-type: text/html; charset=utf-8");
492 echo substr($target->saveHTML(), 6, -8);
498 $profile = $a->profile;
500 header("X-Friendica-Version: " . FRIENDICA_VERSION);
501 header("Content-type: text/html; charset=utf-8");
503 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
504 header("Strict-Transport-Security: max-age=31536000");
507 // Some security stuff
508 header('X-Content-Type-Options: nosniff');
509 header('X-XSS-Protection: 1; mode=block');
510 header('X-Permitted-Cross-Domain-Policies: none');
511 header('X-Frame-Options: sameorigin');
513 // Things like embedded OSM maps don't work, when this is enabled
514 // 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'");
517 * We use $_GET["mode"] for special page templates. So we will check if we have
518 * to load another page template than the default one.
519 * The page templates are located in /view/php/ or in the theme directory.
521 if (isset($_GET["mode"])) {
522 $template = Theme::getPathForFile($_GET["mode"] . '.php');
525 // If there is no page template use the default page template
526 if (empty($template)) {
527 $template = Theme::getPathForFile("default.php");
530 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
531 require_once $template;