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);
84 Addon::callHooks('init_1');
86 $maintenance = Config::get('system', 'maintenance');
89 $lang = L10n::getBrowserLanguage();
91 L10n::loadTranslationTable($lang);
94 * Important stuff we always need to do.
96 * The order of these may be important so use caution if you think they're all
97 * intertwingled with no logical order and decide to sort it out. Some of the
98 * dependencies have changed, but at least at one time in the recent past - the
99 * order was critical to everything working properly
102 // Exclude the backend processes from the session management
103 if (!$a->is_backend()) {
104 $stamp1 = microtime(true);
106 $a->save_timestamp($stamp1, "parser");
109 Worker::executeIfIdle();
113 * Language was set earlier, but we can over-ride it in the session.
114 * We have to do it here because the session was just now opened.
116 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
117 // we haven't loaded user data yet, but we need user language
118 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
119 $_SESSION['language'] = $lang;
120 if (DBM::is_result($user)) {
121 $_SESSION['language'] = $user['language'];
125 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
126 $lang = $_SESSION['language'];
127 L10n::loadTranslationTable($lang);
130 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
131 // Only continue when the given profile link seems valid
132 // Valid profile links contain a path with "/profile/" and no query parameters
133 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
134 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
136 $_SESSION['my_url'] = $_GET['zrl'];
137 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
138 Profile::zrlInit($a);
140 // Someone came with an invalid parameter, maybe as a DDoS attempt
141 // We simply stop processing here
142 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
143 header('HTTP/1.1 403 Forbidden');
144 echo "<h1>403 Forbidden</h1>";
150 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
151 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
152 * this way. There's a PHP flag to link the headers because by default this will over-write any other
155 * What we really need to do is output the raw headers ourselves so we can keep them separate.
158 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
160 Login::sessionAuth();
162 if (! x($_SESSION, 'authenticated')) {
163 header('X-Account-Management-Status: none');
166 /* set up page['htmlhead'] and page['end'] for the modules to use */
167 $a->page['htmlhead'] = '';
168 $a->page['end'] = '';
170 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
171 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
172 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
175 * check_config() is responsible for running update scripts. These automatically
176 * update the DB schema whenever we push a new one out. It also checks to see if
177 * any addons have been added or removed and reacts accordingly.
180 // in install mode, any url loads install module
181 // but we need "view" module for stylesheet
182 if ($install && $a->module!="view") {
183 $a->module = 'install';
184 } elseif ($maintenance && $a->module!="view") {
185 $a->module = 'maintenance';
192 Nav::setSelected('nothing');
194 //Don't populate apps_menu if apps are private
195 $privateapps = Config::get('config', 'private_addons');
196 if ((local_user()) || (! $privateapps === "1")) {
197 $arr = ['app_menu' => $a->apps];
199 Addon::callHooks('app_menu', $arr);
201 $a->apps = $arr['app_menu'];
205 * We have already parsed the server path into $a->argc and $a->argv
207 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
208 * and use it for handling our URL request.
209 * The module file contains a few functions that we call in various circumstances
210 * and in the following order:
213 * "module"_post (only called if there are $_POST variables)
215 * "module"_content - the string return of this function contains our page body
217 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
218 * so within the module init and/or post functions and then invoke killme() to terminate
219 * further processing.
221 if (strlen($a->module)) {
224 * We will always have a module name.
225 * First see if we have an addon which is masquerading as a module.
228 // Compatibility with the Android Diaspora client
229 if ($a->module == "stream") {
230 $a->module = "network";
233 // Compatibility with the Firefox App
234 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
235 $a->module = "login";
238 $privateapps = Config::get('config', 'private_addons');
240 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
241 //Check if module is an app and if public access to apps is allowed or not
242 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
243 info(L10n::t("You must be logged in to use addons. "));
245 include_once "addon/{$a->module}/{$a->module}.php";
246 if (function_exists($a->module . '_module')) {
247 $a->module_loaded = true;
252 // Controller class routing
253 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
254 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
255 $a->module_loaded = true;
259 * If not, next look for a 'standard' program module in the 'mod' directory
262 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
263 include_once "mod/{$a->module}.php";
264 $a->module_loaded = true;
268 * The URL provided does not resolve to a valid module.
270 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
271 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
272 * 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
273 * this will often succeed and eventually do the right thing.
275 * Otherwise we are going to emit a 404 not found.
278 if (! $a->module_loaded) {
279 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
280 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
284 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
285 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
286 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
289 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
290 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
291 $tpl = get_markup_template("404.tpl");
292 $a->page['content'] = replace_macros(
295 '$message' => L10n::t('Page not found.')]
301 * Load current theme info
303 $theme_info_file = "view/theme/".current_theme()."/theme.php";
304 if (file_exists($theme_info_file)) {
305 require_once $theme_info_file;
309 /* initialise content region */
311 if (! x($a->page, 'content')) {
312 $a->page['content'] = '';
315 if (!$install && !$maintenance) {
316 Addon::callHooks('page_content_top', $a->page['content']);
320 * Call module functions
323 if ($a->module_loaded) {
324 $a->page['page_title'] = $a->module;
327 if ($a->module_class) {
328 Addon::callHooks($a->module . '_mod_init', $placeholder);
329 call_user_func([$a->module_class, 'init']);
330 } else if (function_exists($a->module . '_init')) {
331 Addon::callHooks($a->module . '_mod_init', $placeholder);
332 $func = $a->module . '_init';
336 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
337 $func = str_replace('-', '_', current_theme()) . '_init';
341 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
342 Addon::callHooks($a->module . '_mod_post', $_POST);
343 if ($a->module_class) {
344 call_user_func([$a->module_class, 'post']);
345 } else if (function_exists($a->module . '_post')) {
346 $func = $a->module . '_post';
352 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
353 if ($a->module_class) {
354 call_user_func([$a->module_class, 'afterpost']);
355 } else if (function_exists($a->module . '_afterpost')) {
356 $func = $a->module . '_afterpost';
362 $arr = ['content' => $a->page['content']];
363 Addon::callHooks($a->module . '_mod_content', $arr);
364 $a->page['content'] = $arr['content'];
365 if ($a->module_class) {
366 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
367 } else if (function_exists($a->module . '_content')) {
368 $func = $a->module . '_content';
369 $arr = ['content' => $func($a)];
371 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
372 $a->page['content'] .= $arr['content'];
375 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
376 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
382 * Create the page head after setting the language
383 * and getting any auth credentials.
385 * Moved init_pagehead() and init_page_end() to after
386 * all the module functions have executed so that all
387 * theme choices made by the modules can take effect.
393 * Build the page ending -- this is stuff that goes right before
394 * the closing </body> tag
398 // If you're just visiting, let javascript take you home
399 if (x($_SESSION, 'visitor_home')) {
400 $homebase = $_SESSION['visitor_home'];
401 } elseif (local_user()) {
402 $homebase = 'profile/' . $a->user['nickname'];
405 if (isset($homebase)) {
406 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
410 * now that we've been through the module content, see if the page reported
411 * a permission problem and if so, a 403 response would seem to be in order.
413 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
414 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
418 * Report anything which needs to be communicated in the notification area (before the main body)
420 Addon::callHooks('page_end', $a->page['content']);
423 * Add the navigation (menu) template
425 if ($a->module != 'install' && $a->module != 'maintenance') {
430 * Add a "toggle mobile" link if we're using a mobile device
432 if ($a->is_mobile || $a->is_tablet) {
433 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
434 $link = 'toggle_mobile?address=' . curPageURL();
436 $link = 'toggle_mobile?off=1&address=' . curPageURL();
438 $a->page['footer'] = replace_macros(
439 get_markup_template("toggle_mobile_footer.tpl"),
441 '$toggle_link' => $link,
442 '$toggle_text' => L10n::t('toggle mobile')]
447 * Build the page - now that we have all the components
450 if (!$a->theme['stylesheet']) {
451 $stylesheet = current_theme_url();
453 $stylesheet = $a->theme['stylesheet'];
456 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
457 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
459 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
460 $doc = new DOMDocument();
462 $target = new DOMDocument();
463 $target->loadXML("<root></root>");
465 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
467 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
468 @$doc->loadHTML($content);
470 $xpath = new DOMXPath($doc);
472 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
474 foreach ($list as $item) {
475 $item = $target->importNode($item, true);
477 // And then append it to the target
478 $target->documentElement->appendChild($item);
482 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
483 header("Content-type: text/html; charset=utf-8");
485 echo substr($target->saveHTML(), 6, -8);
491 $profile = $a->profile;
493 header("X-Friendica-Version: " . FRIENDICA_VERSION);
494 header("Content-type: text/html; charset=utf-8");
496 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
497 header("Strict-Transport-Security: max-age=31536000");
500 // Some security stuff
501 header('X-Content-Type-Options: nosniff');
502 header('X-XSS-Protection: 1; mode=block');
503 header('X-Permitted-Cross-Domain-Policies: none');
504 header('X-Frame-Options: sameorigin');
506 // Things like embedded OSM maps don't work, when this is enabled
507 // 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'");
510 * We use $_GET["mode"] for special page templates. So we will check if we have
511 * to load another page template than the default one.
512 * The page templates are located in /view/php/ or in the theme directory.
514 if (isset($_GET["mode"])) {
515 $template = Theme::getPathForFile($_GET["mode"] . '.php');
518 // If there is no page template use the default page template
519 if (empty($template)) {
520 $template = Theme::getPathForFile("default.php");
523 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
524 require_once $template;