12 * bootstrap the application
17 use Friendica\Core\System;
18 use Friendica\Core\Config;
20 require_once 'boot.php';
21 require_once 'object/BaseObject.php';
23 $a = new App(__DIR__);
24 BaseObject::set_app($a);
26 // We assume that the index.php is called by a frontend process
27 // The value is set to "true" by default in boot.php
32 * Load the configuration file which contains our DB credentials.
33 * 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";
47 * Try to open the database;
51 require_once "include/dba.php";
54 $db = new dba($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() . "/" . $a->query_string);
67 die("System is currently unavailable. Please try again later");
70 if (get_config('system', 'force_ssl') && ($a->get_scheme() == "http") &&
71 (intval(get_config('system', 'ssl_policy')) == SSL_POLICY_FULL) &&
72 (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';
82 $maintenance = get_config('system', 'maintenance');
85 $lang = get_browser_language();
87 load_translation_table($lang);
91 * Important stuff we always need to do.
93 * The order of these may be important so use caution if you think they're all
94 * intertwingled with no logical order and decide to sort it out. Some of the
95 * dependencies have changed, but at least at one time in the recent past - the
96 * 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");
106 require_once "include/poller.php";
108 call_worker_if_idle();
112 * Language was set earlier, but we can over-ride it in the session.
113 * We have to do it here because the session was just now opened.
115 if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) {
116 // we didn't loaded user data yet, but we need user language
117 $r = dba::select('user', array('language'), array('uid' => $_SESSION['uid']), array('limit' => 1));
118 $_SESSION['language'] = $lang;
119 if (dbm::is_result($r)) {
120 $_SESSION['language'] = $r['language'];
124 if ((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
125 $lang = $_SESSION['language'];
126 load_translation_table($lang);
129 if ((x($_GET,'zrl')) && (!$install && !$maintenance)) {
130 // Only continue when the given profile link seems valid
131 // Valid profile links contain a path with "/profile/" and no query parameters
132 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
133 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
134 $_SESSION['my_url'] = $_GET['zrl'];
135 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
138 // Someone came with an invalid parameter, maybe as a DDoS attempt
139 // We simply stop processing here
140 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
141 header('HTTP/1.1 403 Forbidden');
142 echo "<h1>403 Forbidden</h1>";
149 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
150 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
151 * this way. There's a PHP flag to link the headers because by default this will over-write any other
154 * 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 if (x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login')) {
161 require("include/auth.php");
164 if (! x($_SESSION,'authenticated')) {
165 header('X-Account-Management-Status: none');
168 /* set up page['htmlhead'] and page['end'] for the modules to use */
169 $a->page['htmlhead'] = '';
170 $a->page['end'] = '';
173 if (! x($_SESSION,'sysmsg')) {
174 $_SESSION['sysmsg'] = array();
177 if (! x($_SESSION,'sysmsg_info')) {
178 $_SESSION['sysmsg_info'] = array();
181 // Array for informations about last received items
182 if (! x($_SESSION,'last_updated')) {
183 $_SESSION['last_updated'] = array();
186 * check_config() is responsible for running update scripts. These automatically
187 * update the DB schema whenever we push a new one out. It also checks to see if
188 * any plugins have been added or removed and reacts accordingly.
191 // in install mode, any url loads install module
192 // but we need "view" module for stylesheet
193 if ($install && $a->module!="view") {
194 $a->module = 'install';
195 } elseif ($maintenance && $a->module!="view") {
196 $a->module = 'maintenance';
203 nav_set_selected('nothing');
205 //Don't populate apps_menu if apps are private
206 $privateapps = get_config('config','private_addons');
207 if ((local_user()) || (! $privateapps === "1")) {
208 $arr = array('app_menu' => $a->apps);
210 call_hooks('app_menu', $arr);
212 $a->apps = $arr['app_menu'];
217 * We have already parsed the server path into $a->argc and $a->argv
219 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
220 * and use it for handling our URL request.
221 * The module file contains a few functions that we call in various circumstances
222 * and in the following order:
225 * "module"_post (only called if there are $_POST variables)
227 * "module"_content - the string return of this function contains our page body
229 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
230 * so within the module init and/or post functions and then invoke killme() to terminate
231 * further processing.
234 if (strlen($a->module)) {
238 * We will always have a module name.
239 * First see if we have a plugin which is masquerading as a module.
243 // Compatibility with the Android Diaspora client
244 if ($a->module == "stream") {
245 $a->module = "network";
248 // Compatibility with the Firefox App
249 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
250 $a->module = "login";
253 $privateapps = get_config('config','private_addons');
255 if (is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
256 //Check if module is an app and if public access to apps is allowed or not
257 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
258 info( t("You must be logged in to use addons. "));
260 include_once("addon/{$a->module}/{$a->module}.php");
261 if (function_exists($a->module . '_module')) {
262 $a->module_loaded = true;
268 * If not, next look for a 'standard' program module in the 'mod' directory
271 if ((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
272 include_once("mod/{$a->module}.php");
273 $a->module_loaded = true;
278 * The URL provided does not resolve to a valid module.
280 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
281 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
282 * 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
283 * this will often succeed and eventually do the right thing.
285 * Otherwise we are going to emit a 404 not found.
289 if (! $a->module_loaded) {
291 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
292 if ((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
296 if ((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
297 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
298 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
301 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
302 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
303 $tpl = get_markup_template("404.tpl");
304 $a->page['content'] = replace_macros($tpl, array(
305 '$message' => t('Page not found.' )
311 * load current theme info
313 $theme_info_file = "view/theme/".current_theme()."/theme.php";
314 if (file_exists($theme_info_file)){
315 require_once($theme_info_file);
319 /* initialise content region */
321 if (! x($a->page,'content')) {
322 $a->page['content'] = '';
325 if (!$install && !$maintenance) {
326 call_hooks('page_content_top',$a->page['content']);
330 * Call module functions
333 if ($a->module_loaded) {
334 $a->page['page_title'] = $a->module;
337 if (function_exists($a->module . '_init')) {
338 call_hooks($a->module . '_mod_init', $placeholder);
339 $func = $a->module . '_init';
343 if (function_exists(str_replace('-','_',current_theme()) . '_init')) {
344 $func = str_replace('-','_',current_theme()) . '_init';
348 if (($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
349 && (function_exists($a->module . '_post'))
350 && (! x($_POST,'auth-params'))) {
351 call_hooks($a->module . '_mod_post', $_POST);
352 $func = $a->module . '_post';
356 if ((! $a->error) && (function_exists($a->module . '_afterpost'))) {
357 call_hooks($a->module . '_mod_afterpost',$placeholder);
358 $func = $a->module . '_afterpost';
362 if ((! $a->error) && (function_exists($a->module . '_content'))) {
363 $arr = array('content' => $a->page['content']);
364 call_hooks($a->module . '_mod_content', $arr);
365 $a->page['content'] = $arr['content'];
366 $func = $a->module . '_content';
367 $arr = array('content' => $func($a));
368 call_hooks($a->module . '_mod_aftercontent', $arr);
369 $a->page['content'] .= $arr['content'];
372 if (function_exists(str_replace('-','_',current_theme()) . '_content_loaded')) {
373 $func = str_replace('-','_',current_theme()) . '_content_loaded';
379 * Create the page head after setting the language
380 * and getting any auth credentials.
382 * Moved init_pagehead() and init_page_end() to after
383 * all the module functions have executed so that all
384 * theme choices made by the modules can take effect.
390 * Build the page ending -- this is stuff that goes right before
391 * the closing </body> tag
395 // If you're just visiting, let javascript take you home
396 if (x($_SESSION, 'visitor_home')) {
397 $homebase = $_SESSION['visitor_home'];
398 } elseif (local_user()) {
399 $homebase = 'profile/' . $a->user['nickname'];
402 if (isset($homebase)) {
403 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
407 * now that we've been through the module content, see if the page reported
408 * a permission problem and if so, a 403 response would seem to be in order.
410 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
411 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
415 * Report anything which needs to be communicated in the notification area (before the main body)
417 call_hooks('page_end', $a->page['content']);
420 * Add the navigation (menu) template
422 if ($a->module != 'install' && $a->module != 'maintenance') {
427 * Add a "toggle mobile" link if we're using a mobile device
429 if ($a->is_mobile || $a->is_tablet) {
430 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
431 $link = 'toggle_mobile?address=' . curPageURL();
433 $link = 'toggle_mobile?off=1&address=' . curPageURL();
435 $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
436 '$toggle_link' => $link,
437 '$toggle_text' => t('toggle mobile')
442 * Build the page - now that we have all the components
445 if (!$a->theme['stylesheet']) {
446 $stylesheet = current_theme_url();
448 $stylesheet = $a->theme['stylesheet'];
451 $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
452 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
454 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
455 $doc = new DOMDocument();
457 $target = new DOMDocument();
458 $target->loadXML("<root></root>");
460 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
462 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
463 @$doc->loadHTML($content);
465 $xpath = new DomXPath($doc);
467 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
469 foreach ($list as $item) {
470 $item = $target->importNode($item, true);
472 // And then append it to the target
473 $target->documentElement->appendChild($item);
477 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
479 header("Content-type: text/html; charset=utf-8");
481 echo substr($target->saveHTML(), 6, -8);
487 $profile = $a->profile;
489 header("X-Friendica-Version: " . FRIENDICA_VERSION);
490 header("Content-type: text/html; charset=utf-8");
492 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
493 header("Strict-Transport-Security: max-age=31536000");
496 // Some security stuff
497 header('X-Content-Type-Options: nosniff');
498 header('X-XSS-Protection: 1; mode=block');
499 header('X-Permitted-Cross-Domain-Policies: none');
500 header('X-Frame-Options: sameorigin');
502 // Things like embedded OSM maps don't work, when this is enabled
503 // 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'");
506 * We use $_GET["mode"] for special page templates. So we will check if we have
507 * to load another page template than the default one.
508 * The page templates are located in /view/php/ or in the theme directory.
510 if (isset($_GET["mode"])) {
511 $template = theme_include($_GET["mode"] . '.php');
514 // If there is no page template use the default page template
515 if (empty($template)) {
516 $template = theme_include("default.php");
519 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
520 require_once $template;