streams/index.php

395 lines
10 KiB
PHP

<?php
/**
*
* Friendica Red
*
*/
/**
*
* bootstrap the application
*
*/
require_once('boot.php');
require_once('object/BaseObject.php');
$a = new App;
BaseObject::set_app($a);
/**
*
* 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");
$a->language = get_best_language();
load_translation_table($a->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, $db_data);
/**
* Load configs from db. Overwrite configs from .htconfig.php
*/
load_config('config');
load_config('system');
require_once("session.php");
load_hooks();
call_hooks('init_1');
}
/**
*
* Important stuff we always need to do.
*
* The order of these may be important so use caution if you think they're all
* intertwingled with no logical order and decide to sort it out. Some of the
* dependencies have changed, but at least at one time in the recent past - the
* order was critical to everything working properly
*
*/
session_start();
/**
* Language was set earlier, but we can over-ride it in the session.
* We have to do it here because the session was just now opened.
*/
if(array_key_exists('system_language',$_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,'zrl')) && (! $install)) {
$_SESSION['my_url'] = $_GET['zrl'];
$a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string);
zrl_init($a);
}
if((x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
require("auth.php");
if(! x($_SESSION,'authenticated'))
header('X-Account-Management-Status: none');
/*
* Create the page head after setting the language
* and getting any auth credentials
*/
$a->init_pagehead();
if(! x($_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)
$a->module = 'install';
else
check_config($a);
nav_set_selected('nothing');
$arr = array('app_menu' => $a->apps);
call_hooks('app_menu', $arr);
$a->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 not, next look for a 'standard' program module in the 'mod' directory
*/
if((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
if((strpos($a->module,'admin') === 0) && (! is_site_admin())) {
$a->module_loaded = false;
notice( t('Permission denied.') . EOL);
goaway(z_root());
}
else {
include_once("mod/{$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
*/
$theme_info_file = "view/theme/".current_theme()."/theme.php";
if (file_exists($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) {
$aside_default = true;
call_hooks($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(x($a->theme_info,"extends") && $aside_default
&& (function_exists(str_replace('-','_',$a->theme_info["extends"]) . '_' . $a->module . '_aside'))) {
$func = str_replace('-','_',$a->theme_info["extends"]) . '_' . $a->module . '_aside';
$aside_default = $func($a);
}
elseif(function_exists($a->module . '_aside') && $aside_default) {
$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() . '/profile/' . $a->user['nickname'];
if(isset($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', $a->page['content']);
/**
*
* Add the navigation (menu) template
*
*/
if($a->module != 'install') {
nav($a);
}
/**
* Build the page - now that we have all the components
*/
require_once(theme_include('theme_init.php'));
if(($p = theme_include('mod_' . $a->module . '.php')) != '')
require_once($p);
require_once('include/js_strings.php');
head_add_css(((x($a->page,'template')) ? $a->page['template'] : 'default' ) . '.css');
head_add_css('mod_' . $a->module . '.css');
head_add_css('style.css');
head_add_js('mod_' . $a->module . '.js');
$interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
if($interval < 10000)
$interval = 40000;
$a->page['title'] = $a->config['sitename'];
$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array(
'$baseurl' => $a->get_baseurl(),
'$local_user' => local_user(),
'$generator' => FRIENDICA_PLATFORM . ' ' . FRIENDICA_VERSION,
'$update_interval' => $interval,
'$head_css' => head_get_css(),
'$head_js' => head_get_js(),
'$js_strings' => js_strings()
));
$arr = $a->get_widgets();
if(count($arr)) {
foreach($arr as $x) {
$a->page[$x['location']] .= $x['html'];
}
}
$page = $a->page;
$profile = $a->profile;
header("Content-type: text/html; charset=utf-8");
require_once(theme_include(
((x($a->page,'template'))
? $a->page['template']
: 'default' )
. '.php' ));
session_write_close();
exit;