12 * bootstrap the application
16 use \Friendica\Core\Config;
18 require_once('boot.php');
19 require_once('object/BaseObject.php');
22 BaseObject::set_app($a);
24 // We assume that the index.php is called by a frontend process
25 // The value is set to "true" by default in boot.php
30 * Load the configuration file which contains our DB credentials.
31 * Ignore errors. If the file doesn't exist or is empty, we are running in
36 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
38 // Only load config if found, don't surpress errors
40 include ".htconfig.php";
45 * Try to open the database;
49 require_once "include/dba.php";
52 $db = new dba($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() OR $a->maxload_reached()) {
62 header($_SERVER["SERVER_PROTOCOL"] . ' 503 Service Temporarily Unavailable');
63 header('Retry-After: 120');
64 header('Refresh: 120; url=' . App::get_baseurl() . "/" . $a->query_string);
65 die("System is currently unavailable. Please try again later");
68 if (get_config('system', 'force_ssl') AND ($a->get_scheme() == "http") AND
69 (intval(get_config('system', 'ssl_policy')) == SSL_POLICY_FULL) AND
70 (substr(App::get_baseurl(), 0, 8) == "https://")) {
71 header("HTTP/1.1 302 Moved Temporarily");
72 header("Location: " . App::get_baseurl() . "/" . $a->query_string);
76 require_once("include/session.php");
80 $maintenance = get_config('system', 'maintenance');
83 $lang = get_browser_language();
85 load_translation_table($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
98 // Exclude the backend processes from the session management
99 if (!$a->is_backend()) {
100 $stamp1 = microtime(true);
102 $a->save_timestamp($stamp1, "parser");
104 require_once "include/poller.php";
106 call_worker_if_idle();
110 * Language was set earlier, but we can over-ride it in the session.
111 * We have to do it here because the session was just now opened.
113 if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) {
114 // we didn't loaded user data yet, but we need user language
115 $r = q("SELECT language FROM user WHERE uid=%d", intval($_SESSION['uid']));
116 $_SESSION['language'] = $lang;
117 if (dbm::is_result($r)) $_SESSION['language'] = $r[0]['language'];
120 if ((x($_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) == "") AND
129 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
130 $_SESSION['my_url'] = $_GET['zrl'];
131 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
134 // Someone came with an invalid parameter, maybe as a DDoS attempt
135 // We simply stop processing here
136 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
137 header('HTTP/1.1 403 Forbidden');
138 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.
154 // header('Link: <' . App::get_baseurl() . '/amcd>; rel="acct-mgmt";');
156 if (x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login')) {
157 require("include/auth.php");
160 if (! x($_SESSION,'authenticated')) {
161 header('X-Account-Management-Status: none');
164 /* set up page['htmlhead'] and page['end'] for the modules to use */
165 $a->page['htmlhead'] = '';
166 $a->page['end'] = '';
169 if (! x($_SESSION,'sysmsg')) {
170 $_SESSION['sysmsg'] = array();
173 if (! x($_SESSION,'sysmsg_info')) {
174 $_SESSION['sysmsg_info'] = array();
178 * check_config() is responsible for running update scripts. These automatically
179 * update the DB schema whenever we push a new one out. It also checks to see if
180 * any plugins have been added or removed and reacts accordingly.
183 // in install mode, any url loads install module
184 // but we need "view" module for stylesheet
185 if ($install && $a->module!="view") {
186 $a->module = 'install';
187 } elseif ($maintenance && $a->module!="view") {
188 $a->module = 'maintenance';
195 nav_set_selected('nothing');
197 //Don't populate apps_menu if apps are private
198 $privateapps = get_config('config','private_addons');
199 if ((local_user()) || (! $privateapps === "1")) {
200 $arr = array('app_menu' => $a->apps);
202 call_hooks('app_menu', $arr);
204 $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 $_POST variables)
219 * "module"_content - the string return of this function contains our page body
221 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
222 * so within the module init and/or post functions and then invoke killme() to terminate
223 * further processing.
226 if (strlen($a->module)) {
230 * We will always have a module name.
231 * First see if we have a plugin which is masquerading as a module.
235 // Compatibility with the Android Diaspora client
236 if ($a->module == "stream") {
237 $a->module = "network";
240 // Compatibility with the Firefox App
241 if (($a->module == "users") AND ($a->cmd == "users/sign_in")) {
242 $a->module = "login";
245 $privateapps = get_config('config','private_addons');
247 if (is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
248 //Check if module is an app and if public access to apps is allowed or not
249 if ((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
250 info( t("You must be logged in to use addons. "));
252 include_once("addon/{$a->module}/{$a->module}.php");
253 if (function_exists($a->module . '_module')) {
254 $a->module_loaded = true;
260 * If not, next look for a 'standard' program module in the 'mod' directory
263 if ((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
264 include_once("mod/{$a->module}.php");
265 $a->module_loaded = true;
270 * The URL provided does not resolve to a valid module.
272 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
273 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
274 * 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
275 * this will often succeed and eventually do the right thing.
277 * Otherwise we are going to emit a 404 not found.
281 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(App::get_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 $a->page['content'] = replace_macros($tpl, array(
297 '$message' => t('Page not found.' )
303 * load current theme info
305 $theme_info_file = "view/theme/".current_theme()."/theme.php";
306 if (file_exists($theme_info_file)){
307 require_once($theme_info_file);
311 /* initialise content region */
313 if (! x($a->page,'content')) {
314 $a->page['content'] = '';
317 if (!$install && !$maintenance) {
318 call_hooks('page_content_top',$a->page['content']);
322 * Call module functions
325 if ($a->module_loaded) {
326 $a->page['page_title'] = $a->module;
329 if (function_exists($a->module . '_init')) {
330 call_hooks($a->module . '_mod_init', $placeholder);
331 $func = $a->module . '_init';
335 if (function_exists(str_replace('-','_',current_theme()) . '_init')) {
336 $func = str_replace('-','_',current_theme()) . '_init';
340 if (($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
341 && (function_exists($a->module . '_post'))
342 && (! x($_POST,'auth-params'))) {
343 call_hooks($a->module . '_mod_post', $_POST);
344 $func = $a->module . '_post';
348 if ((! $a->error) && (function_exists($a->module . '_afterpost'))) {
349 call_hooks($a->module . '_mod_afterpost',$placeholder);
350 $func = $a->module . '_afterpost';
354 if ((! $a->error) && (function_exists($a->module . '_content'))) {
355 $arr = array('content' => $a->page['content']);
356 call_hooks($a->module . '_mod_content', $arr);
357 $a->page['content'] = $arr['content'];
358 $func = $a->module . '_content';
359 $arr = array('content' => $func($a));
360 call_hooks($a->module . '_mod_aftercontent', $arr);
361 $a->page['content'] .= $arr['content'];
364 if (function_exists(str_replace('-','_',current_theme()) . '_content_loaded')) {
365 $func = str_replace('-','_',current_theme()) . '_content_loaded';
371 * Create the page head after setting the language
372 * and getting any auth credentials.
374 * Moved init_pagehead() and init_page_end() to after
375 * all the module functions have executed so that all
376 * theme choices made by the modules can take effect.
382 * Build the page ending -- this is stuff that goes right before
383 * the closing </body> tag
387 // If you're just visiting, let javascript take you home
388 if (x($_SESSION, 'visitor_home')) {
389 $homebase = $_SESSION['visitor_home'];
390 } elseif (local_user()) {
391 $homebase = 'profile/' . $a->user['nickname'];
394 if (isset($homebase)) {
395 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
399 * now that we've been through the module content, see if the page reported
400 * a permission problem and if so, a 403 response would seem to be in order.
402 if (stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
403 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
407 * Report anything which needs to be communicated in the notification area (before the main body)
409 call_hooks('page_end', $a->page['content']);
412 * Add the navigation (menu) template
414 if ($a->module != 'install' && $a->module != 'maintenance') {
419 * Add a "toggle mobile" link if we're using a mobile device
421 if ($a->is_mobile || $a->is_tablet) {
422 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
423 $link = 'toggle_mobile?address=' . curPageURL();
425 $link = 'toggle_mobile?off=1&address=' . curPageURL();
427 $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
428 '$toggle_link' => $link,
429 '$toggle_text' => t('toggle mobile')
434 * Build the page - now that we have all the components
437 if (!$a->theme['stylesheet']) {
438 $stylesheet = current_theme_url();
440 $stylesheet = $a->theme['stylesheet'];
443 $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
444 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
446 if (isset($_GET["mode"]) AND (($_GET["mode"] == "raw") OR ($_GET["mode"] == "minimal"))) {
447 $doc = new DOMDocument();
449 $target = new DOMDocument();
450 $target->loadXML("<root></root>");
452 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
454 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
455 @$doc->loadHTML($content);
457 $xpath = new DomXPath($doc);
459 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
461 foreach ($list as $item) {
462 $item = $target->importNode($item, true);
464 // And then append it to the target
465 $target->documentElement->appendChild($item);
469 if (isset($_GET["mode"]) AND ($_GET["mode"] == "raw")) {
471 header("Content-type: text/html; charset=utf-8");
473 echo substr($target->saveHTML(), 6, -8);
479 $profile = $a->profile;
481 header("X-Friendica-Version: " . FRIENDICA_VERSION);
482 header("Content-type: text/html; charset=utf-8");
485 * We use $_GET["mode"] for special page templates. So we will check if we have
486 * to load another page template than the default one.
487 * The page templates are located in /view/php/ or in the theme directory.
489 if (isset($_GET["mode"])) {
490 $template = theme_include($_GET["mode"] . '.php');
493 // If there is no page template use the default page template
495 $template = theme_include("default.php");
498 /// @TODO Looks unsafe (remote-inclusion), is maybe not but theme_include() uses file_exists() but does not escape anything
499 require_once $template;