285 lines
8.7 KiB
PHP
285 lines
8.7 KiB
PHP
<?php
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# Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
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# All rights reserved. See LICENSE file for licensing details
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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#$serendipity = array();
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/**
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* Create a snapshot of the current memory usage
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*
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* This functions makes use of static function properties to store the last used memory and the intermediate snapshots.
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* @access public
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* @param string A label for debugging output
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* @return boolean Return whether the snapshot could be evaluated
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*/
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function memSnap($tshow = '') {
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static $avail = null;
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static $show = true;
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static $memUsage = 0;
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if (!$show) {
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return false;
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}
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if ($avail === false) {
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return true;
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} elseif ($avail === null) {
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if (function_exists('memory_get_usage')) {
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$avail = memory_get_usage();
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} else {
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$avail = false;
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return false;
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}
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}
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if ($memUsage === 0) {
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$memUsage = $avail;
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}
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$current = memory_get_usage();
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$memUsage = $current;
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return '[' . date('d.m.Y H:i') . '] ' . number_format($current - $memUsage, 2, ',', '.') . ' label "' . $tshow . '", totalling ' . number_format($current, 2, ',', '.') . '<br />' . "\n";
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}
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if (!isset($_REQUEST)) {
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$_REQUEST = &$HTTP_REQUEST_VARS;
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}
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if (!isset($_POST)) {
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$_POST = &$HTTP_POST_VARS;
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}
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if (!isset($_GET)) {
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$_GET = &$HTTP_GET_VARS;
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}
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if (!isset($_SESSION)) {
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$_SESSION = &$HTTP_SESSION_VARS;
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}
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if (!isset($_COOKIE)) {
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$_COOKIE = &$HTTP_COOKIE_VARS;
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}
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if (!isset($_SERVER)) {
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$_SERVER = &$HTTP_SERVER_VARS;
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}
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if (extension_loaded('filter') && function_exists('input_name_to_filter') && input_name_to_filter(ini_get('filter.default')) !== FILTER_UNSAFE_RAW) {
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foreach ($_POST as $key => $value) {
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$_POST[$key] = input_get(INPUT_POST, $key, FILTER_UNSAFE_RAW);
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}
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foreach ($_GET as $key => $value) {
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$_GET[$key] = input_get(INPUT_GET, $key, FILTER_UNSAFE_RAW);
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}
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foreach ($_COOKIE as $key => $value) {
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$_COOKIE[$key] = input_get(INPUT_COOKIE, $key, FILTER_UNSAFE_RAW);
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}
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// NOT YET IMPLEMENTED IN PHP:
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/*
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foreach ($_SESSION as $key => $value) {
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$_SESSION[$key] = input_get(INPUT_SESSION, $key, FILTER_UNSAFE_RAW);
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}
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*/
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}
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if (extension_loaded('filter') && function_exists('filter_id') && function_exists('filter_input') && filter_id(ini_get('filter.default')) !== FILTER_UNSAFE_RAW) {
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foreach ($_POST as $key => $value) {
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$_POST[$key] = filter_input(INPUT_POST, $key, FILTER_UNSAFE_RAW);
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}
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foreach ($_GET as $key => $value) {
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$_GET[$key] = filter_input(INPUT_GET, $key, FILTER_UNSAFE_RAW);
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}
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foreach ($_COOKIE as $key => $value) {
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$_COOKIE[$key] = filter_input(INPUT_COOKIE, $key, FILTER_UNSAFE_RAW);
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}
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// NOT YET IMPLEMENTED IN PHP:
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/*
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foreach ($_SESSION as $key => $value) {
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$_SESSION[$key] = filter_input(INPUT_SESSION, $key, FILTER_UNSAFE_RAW);
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}
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*/
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}
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// Merge get and post into the serendipity array
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// It is vital that also an empty array is mapped as a reference
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// because the s9y core actually sets new array key values sometimes in $_GET and
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// sometimes in $serendipity['GET'] (and POST/COOKIE).
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// TODO: This is being worked on currently to be unified see #650
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if (!array_key_exists('serendipity', $_GET) || !is_array($_GET['serendipity'])) {
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$_GET['serendipity'] = array();
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}
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$serendipity['GET'] = &$_GET['serendipity'];
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if (!array_key_exists('serendipity', $_POST) || !is_array($_POST['serendipity'])) {
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$_POST['serendipity'] = array();
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}
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$serendipity['POST'] = &$_POST['serendipity'];
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if (!array_key_exists('serendipity', $_COOKIE) || !is_array($_COOKIE['serendipity'])) {
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$_COOKIE['serendipity'] = array();
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}
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$serendipity['COOKIE'] = &$_COOKIE['serendipity'];
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// Attempt to fix IIS compatibility
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if (empty($_SERVER['REQUEST_URI'])) {
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$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . '?' . (!empty($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '');
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}
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/**
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* Translate values coming from the Database into native PHP variables to detect boolean values.
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*
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* @access public
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* @param string input value
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* @return boolean boolean output value
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*/
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function serendipity_get_bool($item) {
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static $translation = array('true' => true,
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'false' => false);
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if (isset($translation[$item])) {
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return $translation[$item];
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} else {
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return $item;
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}
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}
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/**
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* Detect the language of the User Agent/Visitor
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*
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* This function needs to be included at this point so that it is globally available, also
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* during installation.
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*
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* @access public
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* @param boolean Toggle whether to include the language that has been autodetected.
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* @return string Return the detected language name
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*/
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function serendipity_detectLang($use_include = false) {
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global $serendipity;
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$supported_languages = array_keys($serendipity['languages']);
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$possible_languages = explode(',', (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : ''));
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if (is_array($possible_languages)) {
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foreach($possible_languages as $index => $lang) {
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$preferred_language = strtolower(preg_replace('@^([^\-_;]*)_?.*$@', '\1', $lang));
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if (in_array($preferred_language, $supported_languages)) {
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if ($use_include) {
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@include_once(S9Y_INCLUDE_PATH . 'lang/UTF-8/serendipity_lang_' . $preferred_language . '.inc.php');
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//$serendipity['autolang'] = $preferred_language; -> according to the documentation, it should remain on 'en'
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}
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return $preferred_language;
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} // endif
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} // endforeach
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} // endif
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// negotiation failed
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return null;
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}
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/**
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* Get the current serendipity version, minus the "-alpha", "-beta" or whatever tags
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*
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* @access public
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* @param string Serendipity version
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* @return string Serendipity version, stripped of unneeded parts
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*/
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function serendipity_getCoreVersion($version) {
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return preg_replace('@^([0-9\.]+).*$@', '\1', $version);
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}
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/**
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* Make Serendipity emit an error message and terminate the script
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*
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* @access public
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* @param string HTML code to die with
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* @return null
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*/
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function serendipity_die($html) {
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die(
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'<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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</head>
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<body><div class="msg_notice">' . $html . '</div><style>.msg_notice {
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display: block;
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margin: 1.5em 0;
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padding: .5em;
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background: #f2dede;
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border: 1px solid #e4b9b9;
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color: #b94a48;
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}</style></body>
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</html>');
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}
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/*
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* Some defaults for our config vars.
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* They are likely to be overwritten later in the code
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*/
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$serendipity['templatePath'] = 'templates/';
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if (!isset($serendipity['serendipityPath'])) {
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$serendipity['serendipityPath'] = (defined('S9Y_INCLUDE_PATH') ? S9Y_INCLUDE_PATH : './');
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}
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$serendipity['indexFile'] = 'index.php';
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/**
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* In PHP 5.4, the default encoding of htmlspecialchar changed to UTF-8 and it will emit empty strings when given
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* native encoded strings containing umlauts. This wrapper should to be used in the core until PHP 5.6 fixes the bug.
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*/
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function serendipity_specialchars($string, $flags = null, $encoding = 'UTF-8', $double_encode = true) {
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if ($flags == null) {
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if (defined('ENT_HTML401')) {
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// Added with PHP 5.4.x
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$flags = ENT_COMPAT | ENT_HTML401 | ENT_SUBSTITUTE;
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} else {
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// For PHP < 5.4 compatibility
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$flags = ENT_COMPAT;
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}
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}
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return htmlspecialchars($string, $flags, $encoding, $double_encode);
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}
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/**
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* see serendipity_specialchars
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*/
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function serendipity_entities($string, $flags = null, $encoding = 'UTF-8', $double_encode = true) {
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if ($flags == null) {
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if (defined('ENT_HTML401')) {
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// Added with PHP 5.4.x
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$flags = ENT_COMPAT | ENT_HTML401 | ENT_SUBSTITUTE;
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} else {
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// For PHP < 5.4 compatibility
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$flags = ENT_COMPAT;
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}
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}
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return htmlentities($string, $flags, $encoding, $double_encode);
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}
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/**
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* serendipity_specialchars
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*/
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function serendipity_entity_decode($string, $flags = null, $encoding = 'UTF-8') {
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if ($flags == null) {
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# NOTE: ENT_SUBSTITUTE does not exist for this function, and the documentation does not specify that it will
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# ever echo empty strings on charset errors
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if (defined('ENT_HTML401')) {
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// Added with PHP 5.4.x
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$flags = ENT_COMPAT | ENT_HTML401;
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} else {
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// For PHP < 5.4 compatibility
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$flags = ENT_COMPAT;
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}
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}
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return html_entity_decode($string, $flags, $encoding);
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}
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/* vim: set sts=4 ts=4 expandtab : */
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