friendica/index.php

338 lines
8.5 KiB
PHP
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<?php
error_reporting(E_ERROR | E_WARNING | E_PARSE);
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/**
*
* Friendika
*
*/
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/**
*
* bootstrap the application
*
*/
require_once('boot.php');
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$a = new App;
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/**
*
* Load the configuration file which contains our DB credentials.
* Ignore errors. If the file doesn't exist or is empty, we are running in installation mode.
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*
*/
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$install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
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@include(".htconfig.php");
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/**
*
* Get the language setting directly from system variables, bypassing get_config()
* as database may not yet be configured.
*
* If possible, we use the value from the browser.
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*
*/
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$langs = preg_split("/[,-]/",$_SERVER['HTTP_ACCEPT_LANGUAGE'],2);
$lang = $langs[0];
} else {
$lang = ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
}
load_translation_table($lang);
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/**
*
* Try to open the database;
*
*/
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require_once("dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
unset($db_host, $db_user, $db_pass, $db_data);
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/**
*
* Important stuff we always need to do.
* Initialise authentication and date and time.
* Create the HTML head for the page, even if we may not use it (xml, etc.)
* 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
*
*/
if(! $install) {
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require_once("session.php");
load_hooks();
call_hooks('init_1');
}
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require_once("datetime.php");
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$a->timezone = (($default_timezone) ? $default_timezone : 'UTC');
date_default_timezone_set($a->timezone);
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$a->init_pagehead();
session_start();
/**
* Language was set earlier, but we can over-ride it in the session.
* We have to do it here because the session was just now opened.
*/
if(x($_POST,'system_language'))
$_SESSION['language'] = $_POST['system_language'];
if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
$lang = $_SESSION['language'];
load_translation_table($lang);
}
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/**
*
* For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
* Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
* this way. There's a PHP flag to link the headers because by default this will over-write any other
* link header.
*
* What we really need to do is output the raw headers ourselves so we can keep them separate.
*
*/
// header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
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if((x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
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require("auth.php");
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if(! x($_SESSION,'authenticated'))
header('X-Account-Management-Status: none');
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if(! x($_SESSION,'sysmsg'))
$_SESSION['sysmsg'] = '';
if(! x($_SESSION,'sysmsg_info'))
$_SESSION['sysmsg_info'] = '';
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/*
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* check_config() is responsible for running update scripts. These automatically
* update the DB schema whenever we push a new one out. It also checks to see if
* any plugins have been added or removed and reacts accordingly.
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*/
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if($install)
$a->module = 'install';
else
check_config($a);
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$arr = array('app_menu' => $a->apps);
call_hooks('app_menu', $arr);
$a->apps = $arr['app_menu'];
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/**
*
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* We have already parsed the server path into $a->argc and $a->argv
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*
* $a->argv[0] is our module name. We will load the file mod/{$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
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* "module"_post (only called if there are $_POST variables)
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* "module"_afterpost
* "module"_content - the string return of this function contains our page body
*
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* Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
* so within the module init and/or post functions and then invoke killme() to terminate
* further processing.
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*/
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if(strlen($a->module)) {
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/**
*
* We will always have a module name.
* First see if we have a plugin which is masquerading as a module.
*
*/
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if(is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
include_once("addon/{$a->module}/{$a->module}.php");
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if(function_exists($a->module . '_module'))
$a->module_loaded = true;
}
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/**
* If not, next look for a 'standard' program module in the 'mod' directory
*/
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if((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
include_once("mod/{$a->module}.php");
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$a->module_loaded = true;
}
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/**
*
* 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.
*
*/
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if(! $a->module_loaded) {
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if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
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logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
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goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
}
logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
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notice( t('Page not found.' ) . EOL);
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}
}
/* initialise content region */
if(! x($a->page,'content'))
$a->page['content'] = '';
/**
* Call module functions
*/
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if($a->module_loaded) {
$a->page['page_title'] = $a->module;
if(function_exists($a->module . '_init')) {
$func = $a->module . '_init';
$func($a);
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}
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if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
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&& (function_exists($a->module . '_post'))
&& (! x($_POST,'auth-params'))) {
$func = $a->module . '_post';
$func($a);
}
if((! $a->error) && (function_exists($a->module . '_afterpost'))) {
$func = $a->module . '_afterpost';
$func($a);
}
if((! $a->error) && (function_exists($a->module . '_content'))) {
$func = $a->module . '_content';
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$a->page['content'] .= $func($a);
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}
}
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// If you're just visiting, let javascript take you home
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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="' . $homebase . '" ; </script>';
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// now that we've been through the module content, see if the page reported
// a permission problem and if so, a 403 response would seem to be in order.
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if(stristr($_SESSION['sysmsg'], t('Permission denied'))) {
header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
}
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/**
*
* Report anything which needs to be communicated in the notification area (before the main body)
*
*/
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if(x($_SESSION,'sysmsg')) {
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$a->page['content'] = "<div id=\"sysmsg\" class=\"error-message\">{$_SESSION['sysmsg']}</div>\r\n"
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. ((x($a->page,'content')) ? $a->page['content'] : '');
$_SESSION['sysmsg']="";
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unset($_SESSION['sysmsg']);
}
if(x($_SESSION,'sysmsg_info')) {
$a->page['content'] = "<div id=\"sysmsg_info\" class=\"info-message\">{$_SESSION['sysmsg_info']}</div>\r\n"
. ((x($a->page,'content')) ? $a->page['content'] : '');
$_SESSION['sysmsg_info']="";
unset($_SESSION['sysmsg_info']);
}
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call_hooks('page_end', $a->page['content']);
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/**
*
* Add a place for the pause/resume Ajax indicator
*
*/
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$a->page['content'] .= '<div id="pause"></div>';
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/**
*
* Add the navigation (menu) template
*
*/
if($a->module != 'install') {
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require_once('nav.php');
nav($a);
}
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/**
* Build the page - now that we have all the components
*/
$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => current_theme_url()));
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$page = $a->page;
$profile = $a->profile;
header("Content-type: text/html; charset=utf-8");
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$template = 'view/' . $lang . '/'
. ((x($a->page,'template')) ? $a->page['template'] : 'default' ) . '.php';
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if(file_exists($template))
require_once($template);
else
require_once(str_replace($lang . '/', '', $template));
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session_write_close();
exit;