8 * Bootstrap the application
12 use Friendica\BaseObject;
13 use Friendica\Content\Nav;
14 use Friendica\Core\System;
15 use Friendica\Core\Config;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Profile;
19 use Friendica\Module\Login;
21 require_once 'boot.php';
24 $a = new App(__DIR__);
26 BaseObject::setApp($a);
28 // We assume that the index.php is called by a frontend process
29 // The value is set to "true" by default in boot.php
33 * Load the configuration file which contains our DB credentials.
34 * Ignore errors. If the file doesn't exist or is empty, we are running in
38 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
40 // Only load config if found, don't surpress errors
42 include ".htconfig.php";
46 * Try to open the database;
49 require_once "include/dba.php";
52 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
53 unset($db_host, $db_user, $db_pass, $db_data);
56 * Load configs from db. Overwrite configs from .htconfig.php
61 if ($a->max_processes_reached() || $a->maxload_reached()) {
62 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
63 header('Retry-After: 120');
64 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
65 die("System is currently unavailable. Please try again later");
68 if (Config::get('system', 'force_ssl') && ($a->get_scheme() == "http")
69 && (intval(Config::get('system', 'ssl_policy')) == SSL_POLICY_FULL)
70 && (substr(System::baseUrl(), 0, 8) == "https://")
72 header("HTTP/1.1 302 Moved Temporarily");
73 header("Location: " . System::baseUrl() . "/" . $a->query_string);
77 require_once 'include/session.php';
81 $maintenance = Config::get('system', 'maintenance');
84 $lang = get_browser_language();
86 load_translation_table($lang);
89 * Important stuff we always need to do.
91 * The order of these may be important so use caution if you think they're all
92 * intertwingled with no logical order and decide to sort it out. Some of the
93 * dependencies have changed, but at least at one time in the recent past - the
94 * order was critical to everything working properly
97 // Exclude the backend processes from the session management
98 if (!$a->is_backend()) {
99 $stamp1 = microtime(true);
101 $a->save_timestamp($stamp1, "parser");
104 Worker::executeIfIdle();
108 * Language was set earlier, but we can over-ride it in the session.
109 * We have to do it here because the session was just now opened.
111 if (x($_SESSION, 'authenticated') && !x($_SESSION, 'language')) {
112 // we haven't loaded user data yet, but we need user language
113 $user = dba::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
114 $_SESSION['language'] = $lang;
115 if (DBM::is_result($user)) {
116 $_SESSION['language'] = $user['language'];
120 if ((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
121 $lang = $_SESSION['language'];
122 load_translation_table($lang);
125 if ((x($_GET, 'zrl')) && (!$install && !$maintenance)) {
126 // Only continue when the given profile link seems valid
127 // Valid profile links contain a path with "/profile/" and no query parameters
128 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "")
129 && strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")
131 $_SESSION['my_url'] = $_GET['zrl'];
132 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is', '', $a->query_string);
133 Profile::zrlInit($a);
135 // Someone came with an invalid parameter, maybe as a DDoS attempt
136 // We simply stop processing here
137 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
138 header('HTTP/1.1 403 Forbidden');
139 echo "<h1>403 Forbidden</h1>";
145 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
146 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
147 * this way. There's a PHP flag to link the headers because by default this will over-write any other
150 * What we really need to do is output the raw headers ourselves so we can keep them separate.
153 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
155 Login::sessionAuth();
157 if (! x($_SESSION, 'authenticated')) {
158 header('X-Account-Management-Status: none');
161 /* set up page['htmlhead'] and page['end'] for the modules to use */
162 $a->page['htmlhead'] = '';
163 $a->page['end'] = '';
166 if (! x($_SESSION, 'sysmsg')) {
167 $_SESSION['sysmsg'] = [];
170 if (! x($_SESSION, 'sysmsg_info')) {
171 $_SESSION['sysmsg_info'] = [];
174 // Array for informations about last received items
175 if (! x($_SESSION, 'last_updated')) {
176 $_SESSION['last_updated'] = [];
179 * check_config() is responsible for running update scripts. These automatically
180 * update the DB schema whenever we push a new one out. It also checks to see if
181 * any plugins have been added or removed and reacts accordingly.
184 // in install mode, any url loads install module
185 // but we need "view" module for stylesheet
186 if ($install && $a->module!="view") {
187 $a->module = 'install';
188 } elseif ($maintenance && $a->module!="view") {
189 $a->module = 'maintenance';
196 Nav::setSelected('nothing');
198 //Don't populate apps_menu if apps are private
199 $privateapps = Config::get('config', 'private_addons');
200 if ((local_user()) || (! $privateapps === "1")) {
201 $arr = ['app_menu' => $a->apps];
203 call_hooks('app_menu', $arr);
205 $a->apps = $arr['app_menu'];
209 * We have already parsed the server path into $a->argc and $a->argv
211 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
212 * and use it for handling our URL request.
213 * The module file contains a few functions that we call in various circumstances
214 * and in the following order:
217 * "module"_post (only called if there are $_POST variables)
219 * "module"_content - the string return of this function contains our page body
221 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
222 * so within the module init and/or post functions and then invoke killme() to terminate
223 * further processing.
225 if (strlen($a->module)) {
228 * We will always have a module name.
229 * First see if we have a plugin which is masquerading as a module.
232 // Compatibility with the Android Diaspora client
233 if ($a->module == "stream") {
234 $a->module = "network";
237 // Compatibility with the Firefox App
238 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
239 $a->module = "login";
242 $privateapps = Config::get('config', 'private_addons');
244 if (is_array($a->plugins) && in_array($a->module, $a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
245 //Check if module is an app and if public access to apps is allowed or not
246 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
247 info(t("You must be logged in to use addons. "));
249 include_once "addon/{$a->module}/{$a->module}.php";
250 if (function_exists($a->module . '_module')) {
251 $a->module_loaded = true;
256 // Controller class routing
257 if (! $a->module_loaded && class_exists('Friendica\\Module\\' . ucfirst($a->module))) {
258 $a->module_class = 'Friendica\\Module\\' . ucfirst($a->module);
259 $a->module_loaded = true;
263 * If not, next look for a 'standard' program module in the 'mod' directory
266 if (! $a->module_loaded && file_exists("mod/{$a->module}.php")) {
267 include_once "mod/{$a->module}.php";
268 $a->module_loaded = true;
272 * The URL provided does not resolve to a valid module.
274 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
275 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
276 * 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
277 * this will often succeed and eventually do the right thing.
279 * Otherwise we are going to emit a 404 not found.
282 if (! $a->module_loaded) {
283 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
284 if ((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
288 if ((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
289 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
290 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
293 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
294 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
295 $tpl = get_markup_template("404.tpl");
296 $a->page['content'] = replace_macros(
299 '$message' => t('Page not found.')]
305 * Load current theme info
307 $theme_info_file = "view/theme/".current_theme()."/theme.php";
308 if (file_exists($theme_info_file)) {
309 require_once $theme_info_file;
313 /* initialise content region */
315 if (! x($a->page, 'content')) {
316 $a->page['content'] = '';
319 if (!$install && !$maintenance) {
320 call_hooks('page_content_top', $a->page['content']);
324 * Call module functions
327 if ($a->module_loaded) {
328 $a->page['page_title'] = $a->module;
331 if ($a->module_class) {
332 call_hooks($a->module . '_mod_init', $placeholder);
333 call_user_func([$a->module_class, 'init']);
334 } else if (function_exists($a->module . '_init')) {
335 call_hooks($a->module . '_mod_init', $placeholder);
336 $func = $a->module . '_init';
340 if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
341 $func = str_replace('-', '_', current_theme()) . '_init';
345 if (! $a->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
346 call_hooks($a->module . '_mod_post', $_POST);
347 if ($a->module_class) {
348 call_user_func([$a->module_class, 'post']);
349 } else if (function_exists($a->module . '_post')) {
350 $func = $a->module . '_post';
356 call_hooks($a->module . '_mod_afterpost', $placeholder);
357 if ($a->module_class) {
358 call_user_func([$a->module_class, 'afterpost']);
359 } else if (function_exists($a->module . '_afterpost')) {
360 $func = $a->module . '_afterpost';
366 $arr = ['content' => $a->page['content']];
367 call_hooks($a->module . '_mod_content', $arr);
368 $a->page['content'] = $arr['content'];
369 if ($a->module_class) {
370 $arr = ['content' => call_user_func([$a->module_class, 'content'])];
371 } else if (function_exists($a->module . '_content')) {
372 $func = $a->module . '_content';
373 $arr = ['content' => $func($a)];
375 call_hooks($a->module . '_mod_aftercontent', $arr);
376 $a->page['content'] .= $arr['content'];
379 if (function_exists(str_replace('-', '_', current_theme()) . '_content_loaded')) {
380 $func = str_replace('-', '_', current_theme()) . '_content_loaded';
386 * Create the page head after setting the language
387 * and getting any auth credentials.
389 * Moved init_pagehead() and init_page_end() to after
390 * all the module functions have executed so that all
391 * theme choices made by the modules can take effect.
397 * Build the page ending -- this is stuff that goes right before
398 * the closing </body> tag
402 // If you're just visiting, let javascript take you home
403 if (x($_SESSION, 'visitor_home')) {
404 $homebase = $_SESSION['visitor_home'];
405 } elseif (local_user()) {
406 $homebase = 'profile/' . $a->user['nickname'];
409 if (isset($homebase)) {
410 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
414 * now that we've been through the module content, see if the page reported
415 * a permission problem and if so, a 403 response would seem to be in order.
417 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
418 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
422 * Report anything which needs to be communicated in the notification area (before the main body)
424 call_hooks('page_end', $a->page['content']);
427 * Add the navigation (menu) template
429 if ($a->module != 'install' && $a->module != 'maintenance') {
434 * Add a "toggle mobile" link if we're using a mobile device
436 if ($a->is_mobile || $a->is_tablet) {
437 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
438 $link = 'toggle_mobile?address=' . curPageURL();
440 $link = 'toggle_mobile?off=1&address=' . curPageURL();
442 $a->page['footer'] = replace_macros(
443 get_markup_template("toggle_mobile_footer.tpl"),
445 '$toggle_link' => $link,
446 '$toggle_text' => t('toggle mobile')]
451 * Build the page - now that we have all the components
454 if (!$a->theme['stylesheet']) {
455 $stylesheet = current_theme_url();
457 $stylesheet = $a->theme['stylesheet'];
460 $a->page['htmlhead'] = str_replace('{{$stylesheet}}', $stylesheet, $a->page['htmlhead']);
461 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
463 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
464 $doc = new DOMDocument();
466 $target = new DOMDocument();
467 $target->loadXML("<root></root>");
469 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
471 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
472 @$doc->loadHTML($content);
474 $xpath = new DomXPath($doc);
476 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
478 foreach ($list as $item) {
479 $item = $target->importNode($item, true);
481 // And then append it to the target
482 $target->documentElement->appendChild($item);
486 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
487 header("Content-type: text/html; charset=utf-8");
489 echo substr($target->saveHTML(), 6, -8);
495 $profile = $a->profile;
497 header("X-Friendica-Version: " . FRIENDICA_VERSION);
498 header("Content-type: text/html; charset=utf-8");
500 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
501 header("Strict-Transport-Security: max-age=31536000");
504 // Some security stuff
505 header('X-Content-Type-Options: nosniff');
506 header('X-XSS-Protection: 1; mode=block');
507 header('X-Permitted-Cross-Domain-Policies: none');
508 header('X-Frame-Options: sameorigin');
510 // Things like embedded OSM maps don't work, when this is enabled
511 // 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'");
514 * We use $_GET["mode"] for special page templates. So we will check if we have
515 * to load another page template than the default one.
516 * The page templates are located in /view/php/ or in the theme directory.
518 if (isset($_GET["mode"])) {
519 $template = theme_include($_GET["mode"] . '.php');
522 // If there is no page template use the default page template
523 if (empty($template)) {
524 $template = theme_include("default.php");
527 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
528 require_once $template;