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
35 * Load the configuration file which contains our DB credentials.
36 * Ignore errors. If the file doesn't exist or is empty, we are running in
40 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
42 // Only load config if found, don't surpress errors
44 include ".htconfig.php";
48 * Try to open the database;
51 require_once "include/dba.php";
54 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
55 unset($db_host, $db_user, $db_pass, $db_data);
58 * Load configs from db. Overwrite configs from .htconfig.php
63 if ($a->max_processes_reached() || $a->maxload_reached()) {
64 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
65 header('Retry-After: 120');
66 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
67 die("System is currently unavailable. Please try again later");
70 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
71 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
72 && (substr(System::baseUrl(), 0, 8) == "https://")
74 header("HTTP/1.1 302 Moved Temporarily");
75 header("Location: " . System::baseUrl() . "/" . $a->query_string);
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'] = '';
168 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
169 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
170 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
173 * check_config() is responsible for running update scripts. These automatically
174 * update the DB schema whenever we push a new one out. It also checks to see if
175 * any addons have been added or removed and reacts accordingly.
178 // in install mode, any url loads install module
179 // but we need "view" module for stylesheet
180 if ($install && $a->module!="view") {
181 $a->module = 'install';
182 } elseif ($maintenance && $a->module!="view") {
183 $a->module = 'maintenance';
190 Nav::setSelected('nothing');
192 //Don't populate apps_menu if apps are private
193 $privateapps = Config::get('config', 'private_addons');
194 if ((local_user()) || (! $privateapps === "1")) {
195 $arr = ['app_menu' => $a->apps];
197 Addon::callHooks('app_menu', $arr);
199 $a->apps = $arr['app_menu'];
203 * We have already parsed the server path into $a->argc and $a->argv
205 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
206 * and use it for handling our URL request.
207 * The module file contains a few functions that we call in various circumstances
208 * and in the following order:
211 * "module"_post (only called if there are $_POST variables)
213 * "module"_content - the string return of this function contains our page body
215 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
216 * so within the module init and/or post functions and then invoke killme() to terminate
217 * further processing.
219 if (strlen($a->module)) {
222 * We will always have a module name.
223 * First see if we have an addon which is masquerading as a module.
226 // Compatibility with the Android Diaspora client
227 if ($a->module == "stream") {
228 $a->module = "network";
231 // Compatibility with the Firefox App
232 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
233 $a->module = "login";
236 $privateapps = Config::get('config', 'private_addons');
238 if (is_array($a->addons) && in_array($a->module, $a->addons) && file_exists("addon/{$a->module}/{$a->module}.php")) {
239 //Check if module is an app and if public access to apps is allowed or not
240 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
241 info(L10n::t("You must be logged in to use addons. "));
243 include_once "addon/{$a->module}/{$a->module}.php";
244 if (function_exists($a->module . '_module')) {
245 $a->module_loaded = true;
250 // Controller class routing
251 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
252 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
253 $a->module_loaded = true;
257 * If not, next look for a 'standard' program module in the 'mod' directory
260 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
261 include_once "mod/{$a->module}.php";
262 $a->module_loaded = true;
266 * The URL provided does not resolve to a valid module.
268 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
269 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
270 * 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
271 * this will often succeed and eventually do the right thing.
273 * Otherwise we are going to emit a 404 not found.
276 if (! $a->module_loaded) {
277 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
278 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
282 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
283 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
284 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
287 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
288 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
289 $tpl = get_markup_template("404.tpl");
290 $a->page['content'] = replace_macros(
293 '$message' => L10n::t('Page not found.')]
299 * Load current theme info
301 $theme_info_file = "view/theme/".current_theme()."/theme.php";
302 if (file_exists($theme_info_file)) {
303 require_once $theme_info_file;
307 /* initialise content region */
309 if (! x($a->page, 'content')) {
310 $a->page['content'] = '';
313 if (!$install && !$maintenance) {
314 Addon::callHooks('page_content_top', $a->page['content']);
318 * Call module functions
321 if ($a->module_loaded) {
322 $a->page['page_title'] = $a->module;
325 if ($a->module_class) {
326 Addon::callHooks($a->module . '_mod_init', $placeholder);
327 call_user_func([$a->module_class, 'init']);
328 } else if (function_exists($a->module . '_init')) {
329 Addon::callHooks($a->module . '_mod_init', $placeholder);
330 $func = $a->module . '_init';
334 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
335 $func = str_replace('-', '_', current_theme()) . '_init';
339 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
340 Addon::callHooks($a->module . '_mod_post', $_POST);
341 if ($a->module_class) {
342 call_user_func([$a->module_class, 'post']);
343 } else if (function_exists($a->module . '_post')) {
344 $func = $a->module . '_post';
350 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
351 if ($a->module_class) {
352 call_user_func([$a->module_class, 'afterpost']);
353 } else if (function_exists($a->module . '_afterpost')) {
354 $func = $a->module . '_afterpost';
360 $arr = ['content' => $a->page['content']];
361 Addon::callHooks($a->module . '_mod_content', $arr);
362 $a->page['content'] = $arr['content'];
363 if ($a->module_class) {
364 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
365 } else if (function_exists($a->module . '_content')) {
366 $func = $a->module . '_content';
367 $arr = ['content' => $func($a)];
369 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
370 $a->page['content'] .= $arr['content'];
373 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
374 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
380 * Create the page head after setting the language
381 * and getting any auth credentials.
383 * Moved init_pagehead() and init_page_end() to after
384 * all the module functions have executed so that all
385 * theme choices made by the modules can take effect.
391 * Build the page ending -- this is stuff that goes right before
392 * the closing </body> tag
396 // If you're just visiting, let javascript take you home
397 if (x($_SESSION, 'visitor_home')) {
398 $homebase = $_SESSION['visitor_home'];
399 } elseif (local_user()) {
400 $homebase = 'profile/' . $a->user['nickname'];
403 if (isset($homebase)) {
404 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
408 * now that we've been through the module content, see if the page reported
409 * a permission problem and if so, a 403 response would seem to be in order.
411 if (stristr(implode("", $_SESSION['sysmsg']), L10n::t('Permission denied'))) {
412 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . L10n::t('Permission denied.'));
416 * Report anything which needs to be communicated in the notification area (before the main body)
418 Addon::callHooks('page_end', $a->page['content']);
421 * Add the navigation (menu) template
423 if ($a->module != 'install' && $a->module != 'maintenance') {
428 * Add a "toggle mobile" link if we're using a mobile device
430 if ($a->is_mobile || $a->is_tablet) {
431 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
432 $link = 'toggle_mobile?address=' . curPageURL();
434 $link = 'toggle_mobile?off=1&address=' . curPageURL();
436 $a->page['footer'] = replace_macros(
437 get_markup_template("toggle_mobile_footer.tpl"),
439 '$toggle_link' => $link,
440 '$toggle_text' => L10n::t('toggle mobile')]
445 * Build the page - now that we have all the components
448 if (!$a->theme['stylesheet']) {
449 $stylesheet = current_theme_url();
451 $stylesheet = $a->theme['stylesheet'];
454 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
455 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
457 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
458 $doc = new DOMDocument();
460 $target = new DOMDocument();
461 $target->loadXML("<root></root>");
463 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
465 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
466 @$doc->loadHTML($content);
468 $xpath = new DOMXPath($doc);
470 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
472 foreach ($list as $item) {
473 $item = $target->importNode($item, true);
475 // And then append it to the target
476 $target->documentElement->appendChild($item);
480 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
481 header("Content-type: text/html; charset=utf-8");
483 echo substr($target->saveHTML(), 6, -8);
489 $profile = $a->profile;
491 header("X-Friendica-Version: " . FRIENDICA_VERSION);
492 header("Content-type: text/html; charset=utf-8");
494 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
495 header("Strict-Transport-Security: max-age=31536000");
498 // Some security stuff
499 header('X-Content-Type-Options: nosniff');
500 header('X-XSS-Protection: 1; mode=block');
501 header('X-Permitted-Cross-Domain-Policies: none');
502 header('X-Frame-Options: sameorigin');
504 // Things like embedded OSM maps don't work, when this is enabled
505 // 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'");
508 * We use $_GET["mode"] for special page templates. So we will check if we have
509 * to load another page template than the default one.
510 * The page templates are located in /view/php/ or in the theme directory.
512 if (isset($_GET["mode"])) {
513 $template = Theme::getPathForFile($_GET["mode"] . '.php');
516 // If there is no page template use the default page template
517 if (empty($template)) {
518 $template = Theme::getPathForFile("default.php");
521 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Theme::getPathForFile() uses file_exists() but does not escape anything
522 require_once $template;