12 * bootstrap the application
17 use Friendica\Core\Config;
19 require_once 'boot.php';
20 require_once 'object/BaseObject.php';
22 $a = new App(__DIR__);
23 BaseObject::set_app($a);
25 // We assume that the index.php is called by a frontend process
26 // The value is set to "true" by default in boot.php
31 * Load the configuration file which contains our DB credentials.
32 * Ignore errors. If the file doesn't exist or is empty, we are running in
37 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
39 // Only load config if found, don't surpress errors
41 include ".htconfig.php";
46 * Try to open the database;
50 require_once "include/dba.php";
53 $db = new dba($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=' . App::get_baseurl() . "/" . $a->query_string);
66 die("System is currently unavailable. Please try again later");
69 if (get_config('system', 'force_ssl') && ($a->get_scheme() == "http") &&
70 (intval(get_config('system', 'ssl_policy')) == SSL_POLICY_FULL) &&
71 (substr(App::get_baseurl(), 0, 8) == "https://")) {
72 header("HTTP/1.1 302 Moved Temporarily");
73 header("Location: " . App::get_baseurl() . "/" . $a->query_string);
77 require_once 'include/session.php';
81 $maintenance = get_config('system', 'maintenance');
84 $lang = get_browser_language();
86 load_translation_table($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
99 // Exclude the backend processes from the session management
100 if (!$a->is_backend()) {
101 $stamp1 = microtime(true);
103 $a->save_timestamp($stamp1, "parser");
105 require_once "include/poller.php";
107 call_worker_if_idle();
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 didn't loaded user data yet, but we need user language
116 $r = dba::select('user', array('language'), array('uid' => $_SESSION['uid']), array('limit' => 1));
117 $_SESSION['language'] = $lang;
118 if (dbm::is_result($r)) {
119 $_SESSION['language'] = $r['language'];
123 if ((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
124 $lang = $_SESSION['language'];
125 load_translation_table($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/")) {
133 $_SESSION['my_url'] = $_GET['zrl'];
134 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
137 // Someone came with an invalid parameter, maybe as a DDoS attempt
138 // We simply stop processing here
139 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
140 header('HTTP/1.1 403 Forbidden');
141 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.
157 // header('Link: <' . App::get_baseurl() . '/amcd>; rel="acct-mgmt";');
159 if (x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login')) {
160 require("include/auth.php");
163 if (! x($_SESSION,'authenticated')) {
164 header('X-Account-Management-Status: none');
167 /* set up page['htmlhead'] and page['end'] for the modules to use */
168 $a->page['htmlhead'] = '';
169 $a->page['end'] = '';
172 if (! x($_SESSION,'sysmsg')) {
173 $_SESSION['sysmsg'] = array();
176 if (! x($_SESSION,'sysmsg_info')) {
177 $_SESSION['sysmsg_info'] = array();
180 // Array for informations about last received items
181 if (! x($_SESSION,'last_updated')) {
182 $_SESSION['last_updated'] = array();
185 * check_config() is responsible for running update scripts. These automatically
186 * update the DB schema whenever we push a new one out. It also checks to see if
187 * any plugins have been added or removed and reacts accordingly.
190 // in install mode, any url loads install module
191 // but we need "view" module for stylesheet
192 if ($install && $a->module!="view") {
193 $a->module = 'install';
194 } elseif ($maintenance && $a->module!="view") {
195 $a->module = 'maintenance';
202 nav_set_selected('nothing');
204 //Don't populate apps_menu if apps are private
205 $privateapps = get_config('config','private_addons');
206 if ((local_user()) || (! $privateapps === "1")) {
207 $arr = array('app_menu' => $a->apps);
209 call_hooks('app_menu', $arr);
211 $a->apps = $arr['app_menu'];
216 * We have already parsed the server path into $a->argc and $a->argv
218 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
219 * and use it for handling our URL request.
220 * The module file contains a few functions that we call in various circumstances
221 * and in the following order:
224 * "module"_post (only called if there are $_POST variables)
226 * "module"_content - the string return of this function contains our page body
228 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
229 * so within the module init and/or post functions and then invoke killme() to terminate
230 * further processing.
233 if (strlen($a->module)) {
237 * We will always have a module name.
238 * First see if we have a plugin which is masquerading as a module.
242 // Compatibility with the Android Diaspora client
243 if ($a->module == "stream") {
244 $a->module = "network";
247 // Compatibility with the Firefox App
248 if (($a->module == "users") && ($a->cmd == "users/sign_in")) {
249 $a->module = "login";
252 $privateapps = get_config('config','private_addons');
254 if (is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
255 //Check if module is an app and if public access to apps is allowed or not
256 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
257 info( t("You must be logged in to use addons. "));
259 include_once("addon/{$a->module}/{$a->module}.php");
260 if (function_exists($a->module . '_module')) {
261 $a->module_loaded = true;
267 * If not, next look for a 'standard' program module in the 'mod' directory
270 if ((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
271 include_once("mod/{$a->module}.php");
272 $a->module_loaded = true;
277 * The URL provided does not resolve to a valid module.
279 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
280 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
281 * 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
282 * this will often succeed and eventually do the right thing.
284 * Otherwise we are going to emit a 404 not found.
288 if (! $a->module_loaded) {
290 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
291 if ((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
295 if ((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
296 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
297 goaway(App::get_baseurl() . $_SERVER['REQUEST_URI']);
300 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
301 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
302 $tpl = get_markup_template("404.tpl");
303 $a->page['content'] = replace_macros($tpl, array(
304 '$message' => t('Page not found.' )
310 * load current theme info
312 $theme_info_file = "view/theme/".current_theme()."/theme.php";
313 if (file_exists($theme_info_file)){
314 require_once($theme_info_file);
318 /* initialise content region */
320 if (! x($a->page,'content')) {
321 $a->page['content'] = '';
324 if (!$install && !$maintenance) {
325 call_hooks('page_content_top',$a->page['content']);
329 * Call module functions
332 if ($a->module_loaded) {
333 $a->page['page_title'] = $a->module;
336 if (function_exists($a->module . '_init')) {
337 call_hooks($a->module . '_mod_init', $placeholder);
338 $func = $a->module . '_init';
342 if (function_exists(str_replace('-','_',current_theme()) . '_init')) {
343 $func = str_replace('-','_',current_theme()) . '_init';
347 if (($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
348 && (function_exists($a->module . '_post'))
349 && (! x($_POST,'auth-params'))) {
350 call_hooks($a->module . '_mod_post', $_POST);
351 $func = $a->module . '_post';
355 if ((! $a->error) && (function_exists($a->module . '_afterpost'))) {
356 call_hooks($a->module . '_mod_afterpost',$placeholder);
357 $func = $a->module . '_afterpost';
361 if ((! $a->error) && (function_exists($a->module . '_content'))) {
362 $arr = array('content' => $a->page['content']);
363 call_hooks($a->module . '_mod_content', $arr);
364 $a->page['content'] = $arr['content'];
365 $func = $a->module . '_content';
366 $arr = array('content' => $func($a));
367 call_hooks($a->module . '_mod_aftercontent', $arr);
368 $a->page['content'] .= $arr['content'];
371 if (function_exists(str_replace('-','_',current_theme()) . '_content_loaded')) {
372 $func = str_replace('-','_',current_theme()) . '_content_loaded';
378 * Create the page head after setting the language
379 * and getting any auth credentials.
381 * Moved init_pagehead() and init_page_end() to after
382 * all the module functions have executed so that all
383 * theme choices made by the modules can take effect.
389 * Build the page ending -- this is stuff that goes right before
390 * the closing </body> tag
394 // If you're just visiting, let javascript take you home
395 if (x($_SESSION, 'visitor_home')) {
396 $homebase = $_SESSION['visitor_home'];
397 } elseif (local_user()) {
398 $homebase = 'profile/' . $a->user['nickname'];
401 if (isset($homebase)) {
402 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
406 * now that we've been through the module content, see if the page reported
407 * a permission problem and if so, a 403 response would seem to be in order.
409 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
410 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
414 * Report anything which needs to be communicated in the notification area (before the main body)
416 call_hooks('page_end', $a->page['content']);
419 * Add the navigation (menu) template
421 if ($a->module != 'install' && $a->module != 'maintenance') {
426 * Add a "toggle mobile" link if we're using a mobile device
428 if ($a->is_mobile || $a->is_tablet) {
429 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
430 $link = 'toggle_mobile?address=' . curPageURL();
432 $link = 'toggle_mobile?off=1&address=' . curPageURL();
434 $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
435 '$toggle_link' => $link,
436 '$toggle_text' => t('toggle mobile')
441 * Build the page - now that we have all the components
444 if (!$a->theme['stylesheet']) {
445 $stylesheet = current_theme_url();
447 $stylesheet = $a->theme['stylesheet'];
450 $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
451 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
453 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
454 $doc = new DOMDocument();
456 $target = new DOMDocument();
457 $target->loadXML("<root></root>");
459 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
461 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
462 @$doc->loadHTML($content);
464 $xpath = new DomXPath($doc);
466 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
468 foreach ($list as $item) {
469 $item = $target->importNode($item, true);
471 // And then append it to the target
472 $target->documentElement->appendChild($item);
476 if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
478 header("Content-type: text/html; charset=utf-8");
480 echo substr($target->saveHTML(), 6, -8);
486 $profile = $a->profile;
488 header("X-Friendica-Version: " . FRIENDICA_VERSION);
489 header("Content-type: text/html; charset=utf-8");
492 * We use $_GET["mode"] for special page templates. So we will check if we have
493 * to load another page template than the default one.
494 * The page templates are located in /view/php/ or in the theme directory.
496 if (isset($_GET["mode"])) {
497 $template = theme_include($_GET["mode"] . '.php');
500 // If there is no page template use the default page template
502 $template = theme_include("default.php");
505 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
506 require_once $template;