12 * bootstrap the application
16 require_once('boot.php');
17 require_once('object/BaseObject.php');
20 BaseObject::set_app($a);
22 // We assume that the index.php is called by a frontend process
23 // The value is set to "true" by default in boot.php
28 * Load the configuration file which contains our DB credentials.
29 * Ignore errors. If the file doesn't exist or is empty, we are running in installation mode.
33 $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
35 @include(".htconfig.php");
43 * Try to open the database;
47 require_once("include/dba.php");
50 $db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
51 unset($db_host, $db_user, $db_pass, $db_data);
54 * Load configs from db. Overwrite configs from .htconfig.php
57 load_config('config');
58 load_config('system');
60 if ($a->max_processes_reached() OR $a->maxload_reached()) {
61 header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable');
62 header('Retry-After: 120');
63 header('Refresh: 120; url='.$a->get_baseurl()."/".$a->query_string);
64 die("System is currently unavailable. Please try again later");
67 if (get_config('system','force_ssl') AND ($a->get_scheme() == "http") AND
68 (intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND
69 (substr($a->get_baseurl(), 0, 8) == "https://")) {
70 header("HTTP/1.1 302 Moved Temporarily");
71 header("Location: ".$a->get_baseurl()."/".$a->query_string);
75 require_once("include/session.php");
79 $maintenance = get_config('system', 'maintenance');
82 $lang = get_browser_language();
84 load_translation_table($lang);
88 * Important stuff we always need to do.
90 * The order of these may be important so use caution if you think they're all
91 * intertwingled with no logical order and decide to sort it out. Some of the
92 * dependencies have changed, but at least at one time in the recent past - the
93 * 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");
103 require_once "include/poller.php";
105 call_worker_if_idle();
109 * Language was set earlier, but we can over-ride it in the session.
110 * We have to do it here because the session was just now opened.
112 if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) {
113 // we didn't loaded user data yet, but we need user language
114 $r = q("SELECT language FROM user WHERE uid=%d", intval($_SESSION['uid']));
115 $_SESSION['language'] = $lang;
116 if (dbm::is_result($r)) $_SESSION['language'] = $r[0]['language'];
119 if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
120 $lang = $_SESSION['language'];
121 load_translation_table($lang);
124 if((x($_GET,'zrl')) && (!$install && !$maintenance)) {
125 // Only continue when the given profile link seems valid
126 // Valid profile links contain a path with "/profile/" and no query parameters
127 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") AND
128 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
129 $_SESSION['my_url'] = $_GET['zrl'];
130 $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
133 // Someone came with an invalid parameter, maybe as a DDoS attempt
134 // We simply stop processing here
135 logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
136 header('HTTP/1.1 403 Forbidden');
137 echo "<h1>403 Forbidden</h1>";
144 * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
145 * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
146 * this way. There's a PHP flag to link the headers because by default this will over-write any other
149 * What we really need to do is output the raw headers ourselves so we can keep them separate.
153 // header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
155 if(x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
156 require("include/auth.php");
158 if(! x($_SESSION,'authenticated'))
159 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 $_SESSION['sysmsg'] = array();
169 if(! x($_SESSION,'sysmsg_info'))
170 $_SESSION['sysmsg_info'] = array();
173 * check_config() is responsible for running update scripts. These automatically
174 * update the DB schema whenever we push a new one out. It also checks to see if
175 * any plugins have been added or removed and reacts accordingly.
178 // in install mode, any url loads install module
179 // but we need "view" module for stylesheet
180 if($install && $a->module!="view")
181 $a->module = 'install';
182 elseif($maintenance && $a->module!="view")
183 $a->module = 'maintenance';
190 nav_set_selected('nothing');
192 //Don't populate apps_menu if apps are private
193 $privateapps = get_config('config','private_addons');
194 if((local_user()) || (! $privateapps === "1"))
196 $arr = array('app_menu' => $a->apps);
198 call_hooks('app_menu', $arr);
200 $a->apps = $arr['app_menu'];
205 * We have already parsed the server path into $a->argc and $a->argv
207 * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
208 * and use it for handling our URL request.
209 * The module file contains a few functions that we call in various circumstances
210 * and in the following order:
213 * "module"_post (only called if there are $_POST variables)
215 * "module"_content - the string return of this function contains our page body
217 * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
218 * so within the module init and/or post functions and then invoke killme() to terminate
219 * further processing.
222 if(strlen($a->module)) {
226 * We will always have a module name.
227 * First see if we have a plugin which is masquerading as a module.
231 // Compatibility with the Android Diaspora client
232 if ($a->module == "stream")
233 $a->module = "network";
235 // Compatibility with the Firefox App
236 if (($a->module == "users") AND ($a->cmd == "users/sign_in"))
237 $a->module = "login";
239 $privateapps = get_config('config','private_addons');
241 if(is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
242 //Check if module is an app and if public access to apps is allowed or not
243 if((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
244 info( t("You must be logged in to use addons. "));
247 include_once("addon/{$a->module}/{$a->module}.php");
248 if(function_exists($a->module . '_module'))
249 $a->module_loaded = true;
254 * If not, next look for a 'standard' program module in the 'mod' directory
257 if((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
258 include_once("mod/{$a->module}.php");
259 $a->module_loaded = true;
264 * The URL provided does not resolve to a valid module.
266 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
267 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
268 * 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
269 * this will often succeed and eventually do the right thing.
271 * Otherwise we are going to emit a 404 not found.
275 if(! $a->module_loaded) {
277 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
278 if((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
282 if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
283 logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
284 goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
287 logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
288 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
289 $tpl = get_markup_template("404.tpl");
290 $a->page['content'] = replace_macros($tpl, array(
291 '$message' => t('Page not found.' )
297 * load current theme info
299 $theme_info_file = "view/theme/".current_theme()."/theme.php";
300 if (file_exists($theme_info_file)){
301 require_once($theme_info_file);
305 /* initialise content region */
307 if(! x($a->page,'content'))
308 $a->page['content'] = '';
310 if(!$install && !$maintenance)
311 call_hooks('page_content_top',$a->page['content']);
314 * Call module functions
317 if($a->module_loaded) {
318 $a->page['page_title'] = $a->module;
321 if(function_exists($a->module . '_init')) {
322 call_hooks($a->module . '_mod_init', $placeholder);
323 $func = $a->module . '_init';
327 if(function_exists(str_replace('-','_',current_theme()) . '_init')) {
328 $func = str_replace('-','_',current_theme()) . '_init';
331 // elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/theme.php")) {
332 // require_once("view/theme/".$a->theme_info["extends"]."/theme.php");
333 // if(function_exists(str_replace('-','_',$a->theme_info["extends"]) . '_init')) {
334 // $func = str_replace('-','_',$a->theme_info["extends"]) . '_init';
339 if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
340 && (function_exists($a->module . '_post'))
341 && (! x($_POST,'auth-params'))) {
342 call_hooks($a->module . '_mod_post', $_POST);
343 $func = $a->module . '_post';
347 if((! $a->error) && (function_exists($a->module . '_afterpost'))) {
348 call_hooks($a->module . '_mod_afterpost',$placeholder);
349 $func = $a->module . '_afterpost';
353 if((! $a->error) && (function_exists($a->module . '_content'))) {
354 $arr = array('content' => $a->page['content']);
355 call_hooks($a->module . '_mod_content', $arr);
356 $a->page['content'] = $arr['content'];
357 $func = $a->module . '_content';
358 $arr = array('content' => $func($a));
359 call_hooks($a->module . '_mod_aftercontent', $arr);
360 $a->page['content'] .= $arr['content'];
363 if(function_exists(str_replace('-','_',current_theme()) . '_content_loaded')) {
364 $func = str_replace('-','_',current_theme()) . '_content_loaded';
370 * Create the page head after setting the language
371 * and getting any auth credentials
373 * Moved init_pagehead() and init_page_end() to after
374 * all the module functions have executed so that all
375 * theme choices made by the modules can take effect
381 * Build the page ending -- this is stuff that goes right before
382 * the closing </body> tag
387 // If you're just visiting, let javascript take you home
389 if(x($_SESSION,'visitor_home'))
390 $homebase = $_SESSION['visitor_home'];
392 $homebase = 'profile/' . $a->user['nickname'];
395 $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
397 // now that we've been through the module content, see if the page reported
398 // a permission problem and if so, a 403 response would seem to be in order.
400 if(stristr( implode("",$_SESSION['sysmsg']), t('Permission denied'))) {
401 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
406 * Report anything which needs to be communicated in the notification area (before the main body)
410 /*if(x($_SESSION,'sysmsg')) {
411 $a->page['content'] = "<div id=\"sysmsg\" class=\"error-message\">{$_SESSION['sysmsg']}</div>\r\n"
412 . ((x($a->page,'content')) ? $a->page['content'] : '');
413 $_SESSION['sysmsg']="";
414 unset($_SESSION['sysmsg']);
416 if(x($_SESSION,'sysmsg_info')) {
417 $a->page['content'] = "<div id=\"sysmsg_info\" class=\"info-message\">{$_SESSION['sysmsg_info']}</div>\r\n"
418 . ((x($a->page,'content')) ? $a->page['content'] : '');
419 $_SESSION['sysmsg_info']="";
420 unset($_SESSION['sysmsg_info']);
425 call_hooks('page_end', $a->page['content']);
430 * Add the navigation (menu) template
434 if($a->module != 'install' && $a->module != 'maintenance') {
439 * Add a "toggle mobile" link if we're using a mobile device
442 if($a->is_mobile || $a->is_tablet) {
443 if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
444 $link = 'toggle_mobile?address=' . curPageURL();
447 $link = 'toggle_mobile?off=1&address=' . curPageURL();
449 $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
450 '$toggle_link' => $link,
451 '$toggle_text' => t('toggle mobile')
456 * Build the page - now that we have all the components
459 if(!$a->theme['stylesheet'])
460 $stylesheet = current_theme_url();
462 $stylesheet = $a->theme['stylesheet'];
464 $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
465 //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
467 if (isset($_GET["mode"]) AND (($_GET["mode"] == "raw") OR ($_GET["mode"] == "minimal"))) {
468 $doc = new DOMDocument();
470 $target = new DOMDocument();
471 $target->loadXML("<root></root>");
473 $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
475 @$doc->loadHTML($content);
477 $xpath = new DomXPath($doc);
479 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
481 foreach ($list as $item) {
483 $item = $target->importNode($item, true);
485 // And then append it to the target
486 $target->documentElement->appendChild($item);
490 if (isset($_GET["mode"]) AND ($_GET["mode"] == "raw")) {
492 header("Content-type: text/html; charset=utf-8");
494 echo substr($target->saveHTML(), 6, -8);
496 if (!$a->is_backend())
497 session_write_close();
503 $profile = $a->profile;
505 header("X-Friendica-Version: ".FRIENDICA_VERSION);
506 header("Content-type: text/html; charset=utf-8");
508 // We use $_GET["mode"] for special page templates. So we will check if we have
509 // to load another page template than the default one
510 // The page templates are located in /view/php/ or in the theme directory
511 if (isset($_GET["mode"])) {
512 $template = theme_include($_GET["mode"].'.php');
515 // If there is no page template use the default page template
517 $template = theme_include("default.php");
520 require_once($template);
522 if (!$a->is_backend())
523 session_write_close();