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\Config;
17 use Friendica\Core\Worker;
18 use Friendica\Database\DBM;
19 use Friendica\Model\Profile;
20 use Friendica\Module\Login;
22 require_once 'boot.php';
25 $a = new App(__DIR__);
27 BaseObject::setApp($a);
29 // We assume that the index.php is called by a frontend process
30 // The value is set to "true" by default in boot.php
34 * Load the configuration file which contains our DB credentials.
35 * Ignore errors. If the file doesn't exist or is empty, we are running in
39 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
41 // Only load config if found, don't surpress errors
43 include ".htconfig.php";
47 * Try to open the database;
50 require_once "include/dba.php";
53 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
54 unset($db_host, $db_user, $db_pass, $db_data);
57 * Load configs from db. Overwrite configs from .htconfig.php
62 if ($a->max_processes_reached() || $a->maxload_reached()) {
63 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
64 header('Retry-After: 120');
65 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
66 die("System is currently unavailable. Please try again later");
69 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
70 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
71 && (substr(System::baseUrl(), 0, 8) == "https://")
73 header("HTTP/1.1 302 Moved Temporarily");
74 header("Location: " . System::baseUrl() . "/" . $a->query_string);
78 require_once 'include/session.php';
80 Addon::callHooks('init_1');
82 $maintenance = Config::get('system', 'maintenance');
85 $lang = get_browser_language();
87 load_translation_table($lang);
90 * Important stuff we always need to do.
92 * The order of these may be important so use caution if you think they're all
93 * intertwingled with no logical order and decide to sort it out. Some of the
94 * dependencies have changed, but at least at one time in the recent past - the
95 * order was critical to everything working properly
98 // Exclude the backend processes from the session management
99 if (!$a->is_backend()) {
100 $stamp1 = microtime(true);
102 $a->save_timestamp($stamp1, "parser");
105 Worker::executeIfIdle();
109 * Language was set earlier, but we can over-ride it in the session.
110 * We have to do it here because the session was just now opened.
112 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
113 // we haven't loaded user data yet, but we need user language
114 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
115 $_SESSION['language'] = $lang;
116 if (DBM::is_result($user)) {
117 $_SESSION['language'] = $user['language'];
121 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
122 $lang = $_SESSION['language'];
123 load_translation_table($lang);
126 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
127 // Only continue when the given profile link seems valid
128 // Valid profile links contain a path with "/profile/" and no query parameters
129 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
130 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
132 $_SESSION['my_url'] = $_GET['zrl'];
133 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
134 Profile::zrlInit($a);
136 // Someone came with an invalid parameter, maybe as a DDoS attempt
137 // We simply stop processing here
138 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
139 header('HTTP/1.1 403 Forbidden');
140 echo "<h1>403 Forbidden</h1>";
146 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
147 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
148 * this way. There's a PHP flag to link the headers because by default this will over-write any other
151 * What we really need to do is output the raw headers ourselves so we can keep them separate.
154 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
156 Login::sessionAuth();
158 if (! x($_SESSION, 'authenticated')) {
159 header('X-Account-Management-Status: none');
162 /* set up page['htmlhead'] and page['end'] for the modules to use */
163 $a->page['htmlhead'] = '';
164 $a->page['end'] = '';
167 if (! x($_SESSION, 'sysmsg')) {
168 $_SESSION['sysmsg'] = [];
171 if (! x($_SESSION, 'sysmsg_info')) {
172 $_SESSION['sysmsg_info'] = [];
175 // Array for informations about last received items
176 if (! x($_SESSION, 'last_updated')) {
177 $_SESSION['last_updated'] = [];
180 * check_config() is responsible for running update scripts. These automatically
181 * update the DB schema whenever we push a new one out. It also checks to see if
182 * any plugins have been added or removed and reacts accordingly.
185 // in install mode, any url loads install module
186 // but we need "view" module for stylesheet
187 if ($install && $a->module!="view") {
188 $a->module = 'install';
189 } elseif ($maintenance && $a->module!="view") {
190 $a->module = 'maintenance';
197 Nav::setSelected('nothing');
199 //Don't populate apps_menu if apps are private
200 $privateapps = Config::get('config', 'private_addons');
201 if ((local_user()) || (! $privateapps === "1")) {
202 $arr = ['app_menu' => $a->apps];
204 Addon::callHooks('app_menu', $arr);
206 $a->apps = $arr['app_menu'];
210 * We have already parsed the server path into $a->argc and $a->argv
212 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
213 * and use it for handling our URL request.
214 * The module file contains a few functions that we call in various circumstances
215 * and in the following order:
218 * "module"_post (only called if there are $_POST variables)
220 * "module"_content - the string return of this function contains our page body
222 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
223 * so within the module init and/or post functions and then invoke killme() to terminate
224 * further processing.
226 if (strlen($a->module)) {
229 * We will always have a module name.
230 * First see if we have a plugin which is masquerading as a module.
233 // Compatibility with the Android Diaspora client
234 if ($a->module == "stream") {
235 $a->module = "network";
238 // Compatibility with the Firefox App
239 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
240 $a->module = "login";
243 $privateapps = Config::get('config', 'private_addons');
245 if (is_array($a->plugins) && in_array($a->module, $a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
246 //Check if module is an app and if public access to apps is allowed or not
247 if ((!local_user()) && Addon::isApp($a->module) && $privateapps === "1") {
248 info(t("You must be logged in to use addons. "));
250 include_once "addon/{$a->module}/{$a->module}.php";
251 if (function_exists($a->module . '_module')) {
252 $a->module_loaded = true;
257 // Controller class routing
258 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
259 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
260 $a->module_loaded = true;
264 * If not, next look for a 'standard' program module in the 'mod' directory
267 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
268 include_once "mod/{$a->module}.php";
269 $a->module_loaded = true;
273 * The URL provided does not resolve to a valid module.
275 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
276 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
277 * 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
278 * this will often succeed and eventually do the right thing.
280 * Otherwise we are going to emit a 404 not found.
283 if (! $a->module_loaded) {
284 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
285 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
289 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
290 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
291 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
294 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
295 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
296 $tpl = get_markup_template("404.tpl");
297 $a->page['content'] = replace_macros(
300 '$message' => t('Page not found.')]
306 * Load current theme info
308 $theme_info_file = "view/theme/".current_theme()."/theme.php";
309 if (file_exists($theme_info_file)) {
310 require_once $theme_info_file;
314 /* initialise content region */
316 if (! x($a->page, 'content')) {
317 $a->page['content'] = '';
320 if (!$install && !$maintenance) {
321 Addon::callHooks('page_content_top', $a->page['content']);
325 * Call module functions
328 if ($a->module_loaded) {
329 $a->page['page_title'] = $a->module;
332 if ($a->module_class) {
333 Addon::callHooks($a->module . '_mod_init', $placeholder);
334 call_user_func([$a->module_class, 'init']);
335 } else if (function_exists($a->module . '_init')) {
336 Addon::callHooks($a->module . '_mod_init', $placeholder);
337 $func = $a->module . '_init';
341 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
342 $func = str_replace('-', '_', current_theme()) . '_init';
346 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
347 Addon::callHooks($a->module . '_mod_post', $_POST);
348 if ($a->module_class) {
349 call_user_func([$a->module_class, 'post']);
350 } else if (function_exists($a->module . '_post')) {
351 $func = $a->module . '_post';
357 Addon::callHooks($a->module . '_mod_afterpost', $placeholder);
358 if ($a->module_class) {
359 call_user_func([$a->module_class, 'afterpost']);
360 } else if (function_exists($a->module . '_afterpost')) {
361 $func = $a->module . '_afterpost';
367 $arr = ['content' => $a->page['content']];
368 Addon::callHooks($a->module . '_mod_content', $arr);
369 $a->page['content'] = $arr['content'];
370 if ($a->module_class) {
371 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
372 } else if (function_exists($a->module . '_content')) {
373 $func = $a->module . '_content';
374 $arr = ['content' => $func($a)];
376 Addon::callHooks($a->module . '_mod_aftercontent', $arr);
377 $a->page['content'] .= $arr['content'];
380 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
381 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
387 * Create the page head after setting the language
388 * and getting any auth credentials.
390 * Moved init_pagehead() and init_page_end() to after
391 * all the module functions have executed so that all
392 * theme choices made by the modules can take effect.
398 * Build the page ending -- this is stuff that goes right before
399 * the closing </body> tag
403 // If you're just visiting, let javascript take you home
404 if (x($_SESSION, 'visitor_home')) {
405 $homebase = $_SESSION['visitor_home'];
406 } elseif (local_user()) {
407 $homebase = 'profile/' . $a->user['nickname'];
410 if (isset($homebase)) {
411 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
415 * now that we've been through the module content, see if the page reported
416 * a permission problem and if so, a 403 response would seem to be in order.
418 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
419 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
423 * Report anything which needs to be communicated in the notification area (before the main body)
425 Addon::callHooks('page_end', $a->page['content']);
428 * Add the navigation (menu) template
430 if ($a->module != 'install' && $a->module != 'maintenance') {
435 * Add a "toggle mobile" link if we're using a mobile device
437 if ($a->is_mobile || $a->is_tablet) {
438 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
439 $link = 'toggle_mobile?address=' . curPageURL();
441 $link = 'toggle_mobile?off=1&address=' . curPageURL();
443 $a->page['footer'] = replace_macros(
444 get_markup_template("toggle_mobile_footer.tpl"),
446 '$toggle_link' => $link,
447 '$toggle_text' => t('toggle mobile')]
452 * Build the page - now that we have all the components
455 if (!$a->theme['stylesheet']) {
456 $stylesheet = current_theme_url();
458 $stylesheet = $a->theme['stylesheet'];
461 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
462 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
464 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
465 $doc = new DOMDocument();
467 $target = new DOMDocument();
468 $target->loadXML("<root></root>");
470 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
472 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
473 @$doc->loadHTML($content);
475 $xpath = new DomXPath($doc);
477 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
479 foreach ($list as $item) {
480 $item = $target->importNode($item, true);
482 // And then append it to the target
483 $target->documentElement->appendChild($item);
487 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
488 header("Content-type: text/html; charset=utf-8");
490 echo substr($target->saveHTML(), 6, -8);
496 $profile = $a->profile;
498 header("X-Friendica-Version: " . FRIENDICA_VERSION);
499 header("Content-type: text/html; charset=utf-8");
501 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
502 header("Strict-Transport-Security: max-age=31536000");
505 // Some security stuff
506 header('X-Content-Type-Options: nosniff');
507 header('X-XSS-Protection: 1; mode=block');
508 header('X-Permitted-Cross-Domain-Policies: none');
509 header('X-Frame-Options: sameorigin');
511 // Things like embedded OSM maps don't work, when this is enabled
512 // 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'");
515 * We use $_GET["mode"] for special page templates. So we will check if we have
516 * to load another page template than the default one.
517 * The page templates are located in /view/php/ or in the theme directory.
519 if (isset($_GET["mode"])) {
520 $template = theme_include($_GET["mode"] . '.php');
523 // If there is no page template use the default page template
524 if (empty($template)) {
525 $template = theme_include("default.php");
528 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
529 require_once $template;