<?php # $Id$
# Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
# All rights reserved. See LICENSE file for licensing details
if (defined('S9Y_FRAMEWORK_COMPAT')) {
return;
}
@define('S9Y_FRAMEWORK_COMPAT', true);
$serendipity = array();
@ini_set('magic_quotes_runtime', 'off');
if (!defined('PATH_SEPARATOR')) {
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
define('PATH_SEPARATOR', ';');
} else {
define('PATH_SEPARATOR', ':');
}
}
if (!defined('DIRECTORY_SEPARATOR')) {
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
define('DIRECTORY_SEPARATOR', '\\');
} else {
define('DIRECTORY_SEPARATOR', '/');
}
}
/**
* Create a snapshot of the current memory usage
*
* This functions makes use of static function properties to store the last used memory and the intermediate snapshots.
* @access public
* @param string A label for debugging output
* @return boolean Return whether the snapshot could be evaluated
*/
function memSnap($tshow = '') {
static $avail = null;
static $show = true;
static $memUsage = 0;
if (!$show) {
return false;
}
if ($avail === false) {
return true;
} elseif ($avail === null) {
if (function_exists('memory_get_usage')) {
$avail = memory_get_usage();
} else {
$avail = false;
return false;
}
}
if ($memUsage === 0) {
$memUsage = $avail;
}
$current = memory_get_usage();
echo '[' . date('d.m.Y H:i') . '] ' . number_format($current - $memUsage, 2, ',', '.') . ' label "' . $tshow . '", totalling ' . number_format($current, 2, ',', '.') . '<br />' . "\n";
$memUsage = $current;
}
if (!function_exists('file_get_contents')) {
function file_get_contents($filename, $use_include_path = 0) {
$file = fopen($filename, 'rb', $use_include_path);
$data = '';
if ($file) {
while (!feof($file)) {
$data .= fread($file, 4096);
}
fclose($file);
}
return $data;
}
}
if (!isset($_REQUEST)) {
$_REQUEST = &$HTTP_REQUEST_VARS;
}
if (!isset($_POST)) {
$_POST = &$HTTP_POST_VARS;
}
if (!isset($_GET)) {
$_GET = &$HTTP_GET_VARS;
}
if (!isset($_SESSION)) {
$_SESSION = &$HTTP_SESSION_VARS;
}
if (!isset($_COOKIE)) {
$_COOKIE = &$HTTP_COOKIE_VARS;
}
if (!isset($_SERVER)) {
$_SERVER = &$HTTP_SERVER_VARS;
}
if (extension_loaded('filter') && function_exists('input_name_to_filter') && input_name_to_filter(ini_get('filter.default')) !== FILTER_UNSAFE_RAW) {
foreach ($_POST as $key => $value) {
$_POST[$key] = input_get(INPUT_POST, $key, FILTER_UNSAFE_RAW);
}
foreach ($_GET as $key => $value) {
$_GET[$key] = input_get(INPUT_GET, $key, FILTER_UNSAFE_RAW);
}
foreach ($_COOKIE as $key => $value) {
$_COOKIE[$key] = input_get(INPUT_COOKIE, $key, FILTER_UNSAFE_RAW);
}
foreach ($_SESSION as $key => $value) {
$_SESSION[$key] = input_get(INPUT_SESSION, $key, FILTER_UNSAFE_RAW);
}
}
/*
* Avoid magic_quotes_gpc issues
* courtesy of iliaa@php.net
*/
function serendipity_strip_quotes(&$var)
{
if (is_array($var)) {
foreach ($var as $k => $v) {
if (is_array($v)) {
array_walk($var[$k], 'serendipity_strip_quotes');
} else {
$var[$k] = stripslashes($v);
}
}
} else {
$var = stripslashes($var);
}
}
if (ini_get('magic_quotes_gpc')) {
if (@count($_REQUEST)) {
array_walk($_REQUEST, 'serendipity_strip_quotes');
}
if (@count($_GET)) {
array_walk($_GET, 'serendipity_strip_quotes');
}
if (@count($_POST)) {
array_walk($_POST, 'serendipity_strip_quotes');
}
if (@count($_COOKIE)) {
array_walk($_COOKIE, 'serendipity_strip_quotes');
}
if (@count($_FILES) && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
array_walk($_FILES, 'serendipity_strip_quotes');
}
}
// Merge get and post into the serendipity array
$serendipity['GET'] = &$_GET['serendipity'];
$serendipity['POST'] = &$_POST['serendipity'];
$serendipity['COOKIE'] = &$_COOKIE['serendipity'];
// Attempt to fix IIS compatibility
if (empty($_SERVER['REQUEST_URI'])) {
$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . '?' . (!empty($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '');
}
// Some security issues
if (isset($serendipity['GET']['searchTerm'])) {
$serendipity['GET']['searchTerm'] = htmlspecialchars(strip_tags($serendipity['GET']['searchTerm']));
}
/**
* Translate values coming from the Database into native PHP variables to detect boolean values.
*
* @access public
* @param string input value
* @return boolean boolean output value
*/
function serendipity_get_bool($item) {
static $translation = array('true' => true,
'false' => false);
if (isset($translation[$item])) {
return $translation[$item];
} else {
return $item;
}
}
/**
* Get the current charset
*
* @return string Empty string or "UTF-8/".
*/
function serendipity_getCharset() {
global $serendipity;
$charset = $serendipity['charset'];
if (!empty($_POST['charset'])) {
if ($_POST['charset'] == 'UTF-8/') {
$charset = 'UTF-8/';
} else {
$charset = '';
}
}
if (!empty($serendipity['POST']['charset'])) {
if ($serendipity['POST']['charset'] == 'UTF-8/') {
$charset = 'UTF-8/';
} else {
$charset = '';
}
}
return $charset;
}
/**
* Detect the language of the User Agent/Visitor
*
* This function needs to be included at this point so that it is globally available, also
* during installation.
*
* @access public
* @param boolean Toggle whether to include the language that has been autodetected.
* @return string Return the detected language name
*/
function serendipity_detectLang($use_include = false) {
global $serendipity;
$supported_languages = array_keys($serendipity['languages']);
$possible_languages = explode(',', (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : ''));
if (is_array($possible_languages)) {
$charset = serendipity_getCharset();
foreach($possible_languages as $index => $lang) {
$preferred_language = strtolower(preg_replace('@^([^\-_;]*)_?.*$@', '\1', $lang));
if (in_array($preferred_language, $supported_languages)) {
if ($use_include) {
@include(S9Y_INCLUDE_PATH . 'lang/' . $charset . 'serendipity_lang_' . $preferred_language . '.inc.php');
$serendipity['autolang'] = $preferred_language;
}
return $preferred_language;
} // endif
} // endforeach
} // endif
return $serendipity['lang'];
}
/**
* Get the current serendipity version, minus the "-alpha", "-beta" or whatever tags
*
* @access public
* @param string Serendipity version
* @return string Serendipity version, stripped of unneeded parts
*/
function serendipity_getCoreVersion($version) {
return preg_replace('@^([0-9\.]+).*$@', '\1', $version);
}
/**
* Make Serendipity emit an error message and terminate the script
*
* @access public
* @param string HTML code to die with
* @return null
*/
function serendipity_die($html) {
die(
'<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=' . LANG_CHARSET . '">
</head>
<body>' . $html . '</body>
</html>');
}
/*
* Some defaults for our config vars.
* They are likely to be overwritten later in the code
*/
$serendipity['templatePath'] = 'templates/';
if (!isset($serendipity['serendipityPath'])) {
$serendipity['serendipityPath'] = (defined('S9Y_INCLUDE_PATH') ? S9Y_INCLUDE_PATH : './');
}
$serendipity['indexFile'] = 'index.php';
/* vim: set sts=4 ts=4 expandtab : */