12 * bootstrap the application
17 use Friendica\Core\System;
18 use Friendica\Core\Config;
19 use Friendica\Core\Worker;
21 require_once 'boot.php';
22 require_once 'object/BaseObject.php';
25 $a = new App(__DIR__);
27 BaseObject::set_app($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
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
41 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
43 // Only load config if found, don't surpress errors
45 include ".htconfig.php";
50 * Try to open the database;
54 require_once "include/dba.php";
57 dba::connect($db_host, $db_user, $db_pass, $db_data, $install);
58 unset($db_host, $db_user, $db_pass, $db_data);
61 * Load configs from db. Overwrite configs from .htconfig.php
66 if ($a->max_processes_reached() || $a->maxload_reached()) {
67 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
68 header('Retry-After: 120');
69 header('Refresh: 120; url=' . System::baseUrl() . "/" . $a->query_string);
70 die("System is currently unavailable. Please try again later");
73 if (get_config('system', 'force_ssl') && ($a->get_scheme() == "http") &&
74 (intval(get_config('system', 'ssl_policy')) == SSL_POLICY_FULL) &&
75 (substr(System::baseUrl(), 0, 8) == "https://")) {
76 header("HTTP/1.1 302 Moved Temporarily");
77 header("Location: " . System::baseUrl() . "/" . $a->query_string);
81 require_once 'include/session.php';
85 $maintenance = get_config('system', 'maintenance');
88 $lang = get_browser_language();
90 load_translation_table($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
103 // Exclude the backend processes from the session management
104 if (!$a->is_backend()) {
105 $stamp1 = microtime(true);
107 $a->save_timestamp($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 didn't loaded user data yet, but we need user language
118 $r = dba::select('user', array('language'), array('uid' => $_SESSION['uid']), array('limit' => 1));
119 $_SESSION['language'] = $lang;
120 if (dbm::is_result($r)) {
121 $_SESSION['language'] = $r['language'];
125 if ((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
126 $lang = $_SESSION['language'];
127 load_translation_table($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/")) {
135 $_SESSION['my_url'] = $_GET['zrl'];
136 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
139 // Someone came with an invalid parameter, maybe as a DDoS attempt
140 // We simply stop processing here
141 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
142 header('HTTP/1.1 403 Forbidden');
143 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.
159 // header('Link: <' . System::baseUrl() . '/amcd>; rel="acct-mgmt";');
161 if (x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login')) {
162 require("include/auth.php");
165 if (! x($_SESSION,'authenticated')) {
166 header('X-Account-Management-Status: none');
169 /* set up page['htmlhead'] and page['end'] for the modules to use */
170 $a->page['htmlhead'] = '';
171 $a->page['end'] = '';
174 if (! x($_SESSION,'sysmsg')) {
175 $_SESSION['sysmsg'] = array();
178 if (! x($_SESSION,'sysmsg_info')) {
179 $_SESSION['sysmsg_info'] = array();
182 // Array for informations about last received items
183 if (! x($_SESSION,'last_updated')) {
184 $_SESSION['last_updated'] = array();
187 * check_config() is responsible for running update scripts. These automatically
188 * update the DB schema whenever we push a new one out. It also checks to see if
189 * any plugins have been added or removed and reacts accordingly.
192 // in install mode, any url loads install module
193 // but we need "view" module for stylesheet
194 if ($install && $a->module!="view") {
195 $a->module = 'install';
196 } elseif ($maintenance && $a->module!="view") {
197 $a->module = 'maintenance';
204 nav_set_selected('nothing');
206 //Don't populate apps_menu if apps are private
207 $privateapps = get_config('config','private_addons');
208 if ((local_user()) || (! $privateapps === "1")) {
209 $arr = array('app_menu' => $a->apps);
211 call_hooks('app_menu', $arr);
213 $a->apps = $arr['app_menu'];
218 * We have already parsed the server path into $a->argc and $a->argv
220 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
221 * and use it for handling our URL request.
222 * The module file contains a few functions that we call in various circumstances
223 * and in the following order:
226 * "module"_post (only called if there are $_POST variables)
228 * "module"_content - the string return of this function contains our page body
230 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
231 * so within the module init and/or post functions and then invoke killme() to terminate
232 * further processing.
235 if (strlen($a->module)) {
239 * We will always have a module name.
240 * First see if we have a plugin which is masquerading as a module.
244 // Compatibility with the Android Diaspora client
245 if ($a->module == "stream") {
246 $a->module = "network";
249 // Compatibility with the Firefox App
250 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
251 $a->module = "login";
254 $privateapps = get_config('config','private_addons');
256 if (is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
257 //Check if module is an app and if public access to apps is allowed or not
258 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
259 info( t("You must be logged in to use addons. "));
261 include_once("addon/{$a->module}/{$a->module}.php");
262 if (function_exists($a->module . '_module')) {
263 $a->module_loaded = true;
269 * If not, next look for a 'standard' program module in the 'mod' directory
272 if ((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
273 include_once("mod/{$a->module}.php");
274 $a->module_loaded = true;
279 * The URL provided does not resolve to a valid module.
281 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
282 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
283 * 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
284 * this will often succeed and eventually do the right thing.
286 * Otherwise we are going to emit a 404 not found.
290 if (! $a->module_loaded) {
292 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
293 if ((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
297 if ((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
298 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
299 goaway(System::baseUrl() . $_SERVER['REQUEST_URI']);
302 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
303 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
304 $tpl = get_markup_template("404.tpl");
305 $a->page['content'] = replace_macros($tpl, array(
306 '$message' => t('Page not found.' )
312 * load current theme info
314 $theme_info_file = "view/theme/".current_theme()."/theme.php";
315 if (file_exists($theme_info_file)){
316 require_once($theme_info_file);
320 /* initialise content region */
322 if (! x($a->page,'content')) {
323 $a->page['content'] = '';
326 if (!$install && !$maintenance) {
327 call_hooks('page_content_top',$a->page['content']);
331 * Call module functions
334 if ($a->module_loaded) {
335 $a->page['page_title'] = $a->module;
338 if (function_exists($a->module . '_init')) {
339 call_hooks($a->module . '_mod_init', $placeholder);
340 $func = $a->module . '_init';
344 if (function_exists(str_replace('-','_',current_theme()) . '_init')) {
345 $func = str_replace('-','_',current_theme()) . '_init';
349 if (($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
350 && (function_exists($a->module . '_post'))
351 && (! x($_POST,'auth-params'))) {
352 call_hooks($a->module . '_mod_post', $_POST);
353 $func = $a->module . '_post';
357 if ((! $a->error) && (function_exists($a->module . '_afterpost'))) {
358 call_hooks($a->module . '_mod_afterpost',$placeholder);
359 $func = $a->module . '_afterpost';
363 if ((! $a->error) && (function_exists($a->module . '_content'))) {
364 $arr = array('content' => $a->page['content']);
365 call_hooks($a->module . '_mod_content', $arr);
366 $a->page['content'] = $arr['content'];
367 $func = $a->module . '_content';
368 $arr = array('content' => $func($a));
369 call_hooks($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("", $_SESSION['sysmsg']), t('Permission denied'))) {
412 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
416 * Report anything which needs to be communicated in the notification area (before the main body)
418 call_hooks('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 $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
437 '$toggle_link' => $link,
438 '$toggle_text' => t('toggle mobile')
443 * Build the page - now that we have all the components
446 if (!$a->theme['stylesheet']) {
447 $stylesheet = current_theme_url();
449 $stylesheet = $a->theme['stylesheet'];
452 $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
453 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
455 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
456 $doc = new DOMDocument();
458 $target = new DOMDocument();
459 $target->loadXML("<root></root>");
461 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
463 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
464 @$doc->loadHTML($content);
466 $xpath = new DomXPath($doc);
468 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
470 foreach ($list as $item) {
471 $item = $target->importNode($item, true);
473 // And then append it to the target
474 $target->documentElement->appendChild($item);
478 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
480 header("Content-type: text/html; charset=utf-8");
482 echo substr($target->saveHTML(), 6, -8);
488 $profile = $a->profile;
490 header("X-Friendica-Version: " . FRIENDICA_VERSION);
491 header("Content-type: text/html; charset=utf-8");
493 if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
494 header("Strict-Transport-Security: max-age=31536000");
497 // Some security stuff
498 header('X-Content-Type-Options: nosniff');
499 header('X-XSS-Protection: 1; mode=block');
500 header('X-Permitted-Cross-Domain-Policies: none');
501 header('X-Frame-Options: sameorigin');
503 // Things like embedded OSM maps don't work, when this is enabled
504 // 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'");
507 * We use $_GET["mode"] for special page templates. So we will check if we have
508 * to load another page template than the default one.
509 * The page templates are located in /view/php/ or in the theme directory.
511 if (isset($_GET["mode"])) {
512 $template = theme_include($_GET["mode"] . '.php');
515 // If there is no page template use the default page template
516 if (empty($template)) {
517 $template = theme_include("default.php");
520 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
521 require_once $template;