Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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  1. <?php
  2. /**
  3. *
  4. * Friendica
  5. *
  6. */
  7. /**
  8. *
  9. * bootstrap the application
  10. *
  11. */
  12. require_once('boot.php');
  13. require_once('object/BaseObject.php');
  14. $a = new App;
  15. BaseObject::set_app($a);
  16. // We assume that the index.php is called by a frontend process
  17. // The value is set to "true" by default in boot.php
  18. $a->backend = false;
  19. /**
  20. *
  21. * Load the configuration file which contains our DB credentials.
  22. * Ignore errors. If the file doesn't exist or is empty, we are running in installation mode.
  23. *
  24. */
  25. $install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
  26. @include(".htconfig.php");
  27. /**
  28. *
  29. * Try to open the database;
  30. *
  31. */
  32. require_once("include/dba.php");
  33. if(!$install) {
  34. $db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
  35. unset($db_host, $db_user, $db_pass, $db_data);
  36. /**
  37. * Load configs from db. Overwrite configs from .htconfig.php
  38. */
  39. load_config('config');
  40. load_config('system');
  41. if ($a->max_processes_reached() OR $a->maxload_reached()) {
  42. header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable');
  43. header('Retry-After: 120');
  44. header('Refresh: 120; url='.$a->get_baseurl()."/".$a->query_string);
  45. die("System is currently unavailable. Please try again later");
  46. }
  47. if (get_config('system','force_ssl') AND ($a->get_scheme() == "http") AND
  48. (intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND
  49. (substr($a->get_baseurl(), 0, 8) == "https://")) {
  50. header("HTTP/1.1 302 Moved Temporarily");
  51. header("Location: ".$a->get_baseurl()."/".$a->query_string);
  52. exit();
  53. }
  54. require_once("include/session.php");
  55. load_hooks();
  56. call_hooks('init_1');
  57. $maintenance = get_config('system', 'maintenance');
  58. }
  59. $lang = get_browser_language();
  60. load_translation_table($lang);
  61. /**
  62. *
  63. * Important stuff we always need to do.
  64. *
  65. * The order of these may be important so use caution if you think they're all
  66. * intertwingled with no logical order and decide to sort it out. Some of the
  67. * dependencies have changed, but at least at one time in the recent past - the
  68. * order was critical to everything working properly
  69. *
  70. */
  71. // Exclude the backend processes from the session management
  72. if (!$a->is_backend()) {
  73. $stamp1 = microtime(true);
  74. session_start();
  75. $a->save_timestamp($stamp1, "parser");
  76. }
  77. /**
  78. * Language was set earlier, but we can over-ride it in the session.
  79. * We have to do it here because the session was just now opened.
  80. */
  81. if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) {
  82. // we didn't loaded user data yet, but we need user language
  83. $r = q("SELECT language FROM user WHERE uid=%d", intval($_SESSION['uid']));
  84. $_SESSION['language'] = $lang;
  85. if (dbm::is_result($r)) $_SESSION['language'] = $r[0]['language'];
  86. }
  87. if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
  88. $lang = $_SESSION['language'];
  89. load_translation_table($lang);
  90. }
  91. if((x($_GET,'zrl')) && (!$install && !$maintenance)) {
  92. // Only continue when the given profile link seems valid
  93. // Valid profile links contain a path with "/profile/" and no query parameters
  94. if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") AND
  95. strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
  96. $_SESSION['my_url'] = $_GET['zrl'];
  97. $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
  98. zrl_init($a);
  99. } else {
  100. // Someone came with an invalid parameter, maybe as a DDoS attempt
  101. // We simply stop processing here
  102. logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG);
  103. header('HTTP/1.1 403 Forbidden');
  104. echo "<h1>403 Forbidden</h1>";
  105. killme();
  106. }
  107. }
  108. /**
  109. *
  110. * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
  111. * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
  112. * this way. There's a PHP flag to link the headers because by default this will over-write any other
  113. * link header.
  114. *
  115. * What we really need to do is output the raw headers ourselves so we can keep them separate.
  116. *
  117. */
  118. // header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
  119. if(x($_COOKIE["Friendica"]) || (x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
  120. require("include/auth.php");
  121. if(! x($_SESSION,'authenticated'))
  122. header('X-Account-Management-Status: none');
  123. /* set up page['htmlhead'] and page['end'] for the modules to use */
  124. $a->page['htmlhead'] = '';
  125. $a->page['end'] = '';
  126. if(! x($_SESSION,'sysmsg'))
  127. $_SESSION['sysmsg'] = array();
  128. if(! x($_SESSION,'sysmsg_info'))
  129. $_SESSION['sysmsg_info'] = array();
  130. /*
  131. * check_config() is responsible for running update scripts. These automatically
  132. * update the DB schema whenever we push a new one out. It also checks to see if
  133. * any plugins have been added or removed and reacts accordingly.
  134. */
  135. // in install mode, any url loads install module
  136. // but we need "view" module for stylesheet
  137. if($install && $a->module!="view")
  138. $a->module = 'install';
  139. elseif($maintenance && $a->module!="view")
  140. $a->module = 'maintenance';
  141. else {
  142. check_url($a);
  143. check_db();
  144. check_plugins($a);
  145. }
  146. nav_set_selected('nothing');
  147. //Don't populate apps_menu if apps are private
  148. $privateapps = get_config('config','private_addons');
  149. if((local_user()) || (! $privateapps === "1"))
  150. {
  151. $arr = array('app_menu' => $a->apps);
  152. call_hooks('app_menu', $arr);
  153. $a->apps = $arr['app_menu'];
  154. }
  155. /**
  156. *
  157. * We have already parsed the server path into $a->argc and $a->argv
  158. *
  159. * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
  160. * and use it for handling our URL request.
  161. * The module file contains a few functions that we call in various circumstances
  162. * and in the following order:
  163. *
  164. * "module"_init
  165. * "module"_post (only called if there are $_POST variables)
  166. * "module"_afterpost
  167. * "module"_content - the string return of this function contains our page body
  168. *
  169. * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
  170. * so within the module init and/or post functions and then invoke killme() to terminate
  171. * further processing.
  172. */
  173. if(strlen($a->module)) {
  174. /**
  175. *
  176. * We will always have a module name.
  177. * First see if we have a plugin which is masquerading as a module.
  178. *
  179. */
  180. // Compatibility with the Android Diaspora client
  181. if ($a->module == "stream")
  182. $a->module = "network";
  183. // Compatibility with the Firefox App
  184. if (($a->module == "users") AND ($a->cmd == "users/sign_in"))
  185. $a->module = "login";
  186. $privateapps = get_config('config','private_addons');
  187. if(is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
  188. //Check if module is an app and if public access to apps is allowed or not
  189. if((!local_user()) && plugin_is_app($a->module) && $privateapps === "1") {
  190. info( t("You must be logged in to use addons. "));
  191. }
  192. else {
  193. include_once("addon/{$a->module}/{$a->module}.php");
  194. if(function_exists($a->module . '_module'))
  195. $a->module_loaded = true;
  196. }
  197. }
  198. /**
  199. * If not, next look for a 'standard' program module in the 'mod' directory
  200. */
  201. if((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
  202. include_once("mod/{$a->module}.php");
  203. $a->module_loaded = true;
  204. }
  205. /**
  206. *
  207. * The URL provided does not resolve to a valid module.
  208. *
  209. * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
  210. * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
  211. * 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
  212. * this will often succeed and eventually do the right thing.
  213. *
  214. * Otherwise we are going to emit a 404 not found.
  215. *
  216. */
  217. if(! $a->module_loaded) {
  218. // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
  219. if((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
  220. killme();
  221. }
  222. if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
  223. logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
  224. goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
  225. }
  226. logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
  227. header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
  228. $tpl = get_markup_template("404.tpl");
  229. $a->page['content'] = replace_macros($tpl, array(
  230. '$message' => t('Page not found.' )
  231. ));
  232. }
  233. }
  234. /**
  235. * load current theme info
  236. */
  237. $theme_info_file = "view/theme/".current_theme()."/theme.php";
  238. if (file_exists($theme_info_file)){
  239. require_once($theme_info_file);
  240. }
  241. /* initialise content region */
  242. if(! x($a->page,'content'))
  243. $a->page['content'] = '';
  244. if(!$install && !$maintenance)
  245. call_hooks('page_content_top',$a->page['content']);
  246. /**
  247. * Call module functions
  248. */
  249. if($a->module_loaded) {
  250. $a->page['page_title'] = $a->module;
  251. $placeholder = '';
  252. if(function_exists($a->module . '_init')) {
  253. call_hooks($a->module . '_mod_init', $placeholder);
  254. $func = $a->module . '_init';
  255. $func($a);
  256. }
  257. if(function_exists(str_replace('-','_',current_theme()) . '_init')) {
  258. $func = str_replace('-','_',current_theme()) . '_init';
  259. $func($a);
  260. }
  261. // elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/theme.php")) {
  262. // require_once("view/theme/".$a->theme_info["extends"]."/theme.php");
  263. // if(function_exists(str_replace('-','_',$a->theme_info["extends"]) . '_init')) {
  264. // $func = str_replace('-','_',$a->theme_info["extends"]) . '_init';
  265. // $func($a);
  266. // }
  267. // }
  268. if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
  269. && (function_exists($a->module . '_post'))
  270. && (! x($_POST,'auth-params'))) {
  271. call_hooks($a->module . '_mod_post', $_POST);
  272. $func = $a->module . '_post';
  273. $func($a);
  274. }
  275. if((! $a->error) && (function_exists($a->module . '_afterpost'))) {
  276. call_hooks($a->module . '_mod_afterpost',$placeholder);
  277. $func = $a->module . '_afterpost';
  278. $func($a);
  279. }
  280. if((! $a->error) && (function_exists($a->module . '_content'))) {
  281. $arr = array('content' => $a->page['content']);
  282. call_hooks($a->module . '_mod_content', $arr);
  283. $a->page['content'] = $arr['content'];
  284. $func = $a->module . '_content';
  285. $arr = array('content' => $func($a));
  286. call_hooks($a->module . '_mod_aftercontent', $arr);
  287. $a->page['content'] .= $arr['content'];
  288. }
  289. if(function_exists(str_replace('-','_',current_theme()) . '_content_loaded')) {
  290. $func = str_replace('-','_',current_theme()) . '_content_loaded';
  291. $func($a);
  292. }
  293. }
  294. /*
  295. * Create the page head after setting the language
  296. * and getting any auth credentials
  297. *
  298. * Moved init_pagehead() and init_page_end() to after
  299. * all the module functions have executed so that all
  300. * theme choices made by the modules can take effect
  301. */
  302. $a->init_pagehead();
  303. /**
  304. * Build the page ending -- this is stuff that goes right before
  305. * the closing </body> tag
  306. */
  307. $a->init_page_end();
  308. // If you're just visiting, let javascript take you home
  309. if(x($_SESSION,'visitor_home'))
  310. $homebase = $_SESSION['visitor_home'];
  311. elseif(local_user())
  312. $homebase = 'profile/' . $a->user['nickname'];
  313. if(isset($homebase))
  314. $a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
  315. // now that we've been through the module content, see if the page reported
  316. // a permission problem and if so, a 403 response would seem to be in order.
  317. if(stristr( implode("",$_SESSION['sysmsg']), t('Permission denied'))) {
  318. header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
  319. }
  320. /**
  321. *
  322. * Report anything which needs to be communicated in the notification area (before the main body)
  323. *
  324. */
  325. /*if(x($_SESSION,'sysmsg')) {
  326. $a->page['content'] = "<div id=\"sysmsg\" class=\"error-message\">{$_SESSION['sysmsg']}</div>\r\n"
  327. . ((x($a->page,'content')) ? $a->page['content'] : '');
  328. $_SESSION['sysmsg']="";
  329. unset($_SESSION['sysmsg']);
  330. }
  331. if(x($_SESSION,'sysmsg_info')) {
  332. $a->page['content'] = "<div id=\"sysmsg_info\" class=\"info-message\">{$_SESSION['sysmsg_info']}</div>\r\n"
  333. . ((x($a->page,'content')) ? $a->page['content'] : '');
  334. $_SESSION['sysmsg_info']="";
  335. unset($_SESSION['sysmsg_info']);
  336. }*/
  337. call_hooks('page_end', $a->page['content']);
  338. /**
  339. *
  340. * Add the navigation (menu) template
  341. *
  342. */
  343. if($a->module != 'install' && $a->module != 'maintenance') {
  344. nav($a);
  345. }
  346. /**
  347. * Add a "toggle mobile" link if we're using a mobile device
  348. */
  349. if($a->is_mobile || $a->is_tablet) {
  350. if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
  351. $link = 'toggle_mobile?address=' . curPageURL();
  352. }
  353. else {
  354. $link = 'toggle_mobile?off=1&address=' . curPageURL();
  355. }
  356. $a->page['footer'] = replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
  357. '$toggle_link' => $link,
  358. '$toggle_text' => t('toggle mobile')
  359. ));
  360. }
  361. /**
  362. * Build the page - now that we have all the components
  363. */
  364. if(!$a->theme['stylesheet'])
  365. $stylesheet = current_theme_url();
  366. else
  367. $stylesheet = $a->theme['stylesheet'];
  368. $a->page['htmlhead'] = str_replace('{{$stylesheet}}',$stylesheet,$a->page['htmlhead']);
  369. //$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => $stylesheet));
  370. if (isset($_GET["mode"]) AND (($_GET["mode"] == "raw") OR ($_GET["mode"] == "minimal"))) {
  371. $doc = new DOMDocument();
  372. $target = new DOMDocument();
  373. $target->loadXML("<root></root>");
  374. $content = mb_convert_encoding($a->page["content"], 'HTML-ENTITIES', "UTF-8");
  375. @$doc->loadHTML($content);
  376. $xpath = new DomXPath($doc);
  377. $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
  378. foreach ($list as $item) {
  379. $item = $target->importNode($item, true);
  380. // And then append it to the target
  381. $target->documentElement->appendChild($item);
  382. }
  383. }
  384. if (isset($_GET["mode"]) AND ($_GET["mode"] == "raw")) {
  385. header("Content-type: text/html; charset=utf-8");
  386. echo substr($target->saveHTML(), 6, -8);
  387. if (!$a->is_backend())
  388. session_write_close();
  389. exit;
  390. }
  391. $page = $a->page;
  392. $profile = $a->profile;
  393. header("X-Friendica-Version: ".FRIENDICA_VERSION);
  394. header("Content-type: text/html; charset=utf-8");
  395. // We use $_GET["mode"] for special page templates. So we will check if we have
  396. // to load another page template than the default one
  397. // The page templates are located in /view/php/ or in the theme directory
  398. if (isset($_GET["mode"])) {
  399. $template = theme_include($_GET["mode"].'.php');
  400. }
  401. // If there is no page template use the default page template
  402. if(!$template) {
  403. $template = theme_include("default.php");
  404. }
  405. require_once($template);
  406. if (!$a->is_backend())
  407. session_write_close();
  408. exit;