<?php
/**
*
* Friendica Red
*
*/
/**
*
* bootstrap the application
*
*/
require_once('boot.php');
$a = new App;
/**
*
* Load the configuration file which contains our DB credentials.
* Ignore errors. If the file doesn't exist or is empty, we are running in installation mode.
*
*/
$install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
@include(".htconfig.php");
$a->language = get_best_language();
/**
*
* Try to open the database;
*
*/
require_once("dba.php");
if(! $install) {
$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
unset($db_host, $db_user, $db_pass, $db_data);
/**
* Load configs from db. Overwrite configs from .htconfig.php
*/
load_config('config');
load_config('system');
require_once("session.php");
load_hooks();
call_hooks('init_1');
load_translation_table($a->language);
}
else {
// load translations but do not check plugins as we have no database
load_translation_table($a->language,true);
}
/**
*
* Important stuff we always need to do.
*
* The order of these may be important so use caution if you think they're all
* intertwingled with no logical order and decide to sort it out. Some of the
* dependencies have changed, but at least at one time in the recent past - the
* order was critical to everything working properly
*
*/
session_start();
/**
* Language was set earlier, but we can over-ride it in the session.
* We have to do it here because the session was just now opened.
*/
if(array_key_exists('system_language',$_POST)) {
if(strlen($_POST['system_language']))
$_SESSION['language'] = $_POST['system_language'];
else
unset($_SESSION['language']);
}
if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
$a->language = $_SESSION['language'];
load_translation_table($a->language);
}
if((x($_GET,'zid')) && (! $install)) {
$a->query_string = preg_replace('/[\?&]zid=(.*?)([\?&]|$)/is','',$a->query_string);
if(! local_user()) {
$_SESSION['my_address'] = $_GET['zid'];
zid_init($a);
}
}
if((x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
require("auth.php");
if(! x($_SESSION,'sysmsg'))
$_SESSION['sysmsg'] = array();
if(! x($_SESSION,'sysmsg_info'))
$_SESSION['sysmsg_info'] = array();
/*
* check_config() is responsible for running update scripts. These automatically
* update the DB schema whenever we push a new one out. It also checks to see if
* any plugins have been added or removed and reacts accordingly.
*/
if($install)
$a->module = 'setup';
else
check_config($a);
nav_set_selected('nothing');
$arr = array('app_menu' => $a->get_apps());
call_hooks('app_menu', $arr);
$a->set_apps($arr['app_menu']);
/**
*
* We have already parsed the server path into $a->argc and $a->argv
*
* $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
* and use it for handling our URL request.
* The module file contains a few functions that we call in various circumstances
* and in the following order:
*
* "module"_init
* "module"_post (only called if there are $_POST variables)
* "module"_aside
* $theme_$module_aside (and $extends_$module_aside) are run first if either exist
* if either of these return false, module_aside is not called
* This allows a theme to over-ride the sidebar layout completely.
* "module"_content - the string return of this function contains our page body
*
* Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
* so within the module init and/or post functions and then invoke killme() to terminate
* further processing.
*/
if(strlen($a->module)) {
/**
*
* We will always have a module name.
* First see if we have a plugin which is masquerading as a module.
*
*/
if(is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
include_once("addon/{$a->module}/{$a->module}.php");
if(function_exists($a->module . '_module'))
$a->module_loaded = true;
}
if((strpos($a->module,'admin') === 0) && (! is_site_admin())) {
$a->module_loaded = false;
notice( t('Permission denied.') . EOL);
goaway(z_root());
}
/**
* If the site has a custom module to over-ride the standard module, use it.
* Otherwise, look for the standard program module in the 'mod' directory
*/
if(! $a->module_loaded) {
if(file_exists("custom/{$a->module}.php")) {
include_once("custom/{$a->module}.php");
$a->module_loaded = true;
}
elseif(file_exists("mod/{$a->module}.php")) {
include_once("mod/{$a->module}.php");
$a->module_loaded = true;
}
}
/**
*
* The URL provided does not resolve to a valid module.
*
* On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
* We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
* 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
* this will often succeed and eventually do the right thing.
*
* Otherwise we are going to emit a 404 not found.
*
*/
if(! $a->module_loaded) {
// Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
if((x($_SERVER,'QUERY_STRING')) && preg_match('/{[0-9]}/',$_SERVER['QUERY_STRING']) !== 0) {
killme();
}
if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
}
logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
$tpl = get_markup_template("404.tpl");
$a->page['content'] = replace_macros($tpl, array(
'$message' => t('Page not found.' )
));
}
}
/**
* load current theme info
*/
$theme_info_file = "view/theme/".current_theme()."/php/theme.php";
if (file_exists($theme_info_file)){
require_once($theme_info_file);
}
/* initialise content region */
if(! x($a->page,'content'))
$a->page['content'] = '';
if(! $install)
call_hooks('page_content_top',$a->page['content']);
/**
* Call module functions
*/
if($a->module_loaded) {
$a->page['page_title'] = $a->module;
$placeholder = '';
if(function_exists($a->module . '_init')) {
call_hooks($a->module . '_mod_init', $placeholder);
$func = $a->module . '_init';
$func($a);
}
if(function_exists(str_replace('-','_',current_theme()) . '_init')) {
$func = str_replace('-','_',current_theme()) . '_init';
$func($a);
}
elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/php/theme.php")) {
require_once("view/theme/".$a->theme_info["extends"]."/php/theme.php");
if(function_exists(str_replace('-','_',$a->theme_info["extends"]) . '_init')) {
$func = str_replace('-','_',$a->theme_info["extends"]) . '_init';
$func($a);
}
}
if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
&& (function_exists($a->module . '_post'))
&& (! x($_POST,'auth-params'))) {
call_hooks($a->module . '_mod_post', $_POST);
$func = $a->module . '_post';
$func($a);
}
if(! $a->error) {
// If a theme has defined an _aside() function, run that first
//
// If the theme function doesn't exist, see if this theme extends another,
// and see if that other theme has an _aside() function--if it does, run it
//
// If $aside_default is not False after the theme _aside() function, run the
// module's _aside() function too
//
// This gives themes more control over how the sidebar looks
$aside_default = true;
call_hooks($a->module . '_mod_aside',$placeholder);
if(function_exists(str_replace('-','_',current_theme()) . '_' . $a->module . '_aside')) {
$func = str_replace('-','_',current_theme()) . '_' . $a->module . '_aside';
$aside_default = $func($a);
}
elseif($aside_default && x($a->theme_info,"extends")
&& (function_exists(str_replace('-','_',$a->theme_info["extends"]) . '_' . $a->module . '_aside'))) {
$func = str_replace('-','_',$a->theme_info["extends"]) . '_' . $a->module . '_aside';
$aside_default = $func($a);
}
if($aside_default && function_exists($a->module . '_aside')) {
$func = $a->module . '_aside';
$func($a);
}
}
if((! $a->error) && (function_exists($a->module . '_content'))) {
$arr = array('content' => $a->page['content']);
call_hooks($a->module . '_mod_content', $arr);
$a->page['content'] = $arr['content'];
$func = $a->module . '_content';
$arr = array('content' => $func($a));
call_hooks($a->module . '_mod_aftercontent', $arr);
$a->page['content'] .= $arr['content'];
}
}
// If you're just visiting, let javascript take you home
if(x($_SESSION,'visitor_home'))
$homebase = $_SESSION['visitor_home'];
elseif(local_user())
$homebase = $a->get_baseurl() . '/channel/' . $a->user['nickname'];
if(isset($homebase))
$a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
// now that we've been through the module content, see if the page reported
// a permission problem and if so, a 403 response would seem to be in order.
if(stristr( implode("",$_SESSION['sysmsg']), t('Permission denied'))) {
header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
}
call_hooks('page_end', $a->page['content']);
construct_page($a);
session_write_close();
exit;
