%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
* Copyright (C) 2016 Nicolas Grekas - p@tchwork.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the (at your option):
* Apache License v2.0 (http://apache.org/licenses/LICENSE-2.0.txt), or
* GNU General Public License v2.0 (http://gnu.org/licenses/gpl-2.0.txt).
*/
namespace Patchwork\Utf8;
use Normalizer as n;
use Patchwork\Utf8 as u;
use Patchwork\PHP\Shim as s;
class Bootup
{
public static function initAll()
{
ini_set('default_charset', 'UTF-8');
self::initUtf8Encode();
self::initIconv();
self::initMbstring();
self::initExif();
self::initIntl();
self::initLocale();
}
public static function initUtf8Encode()
{
function_exists('utf8_encode') or require __DIR__.'/Bootup/utf8_encode.php';
}
public static function initMbstring()
{
if (extension_loaded('mbstring')) {
if (((int) ini_get('mbstring.encoding_translation') || in_array(strtolower(ini_get('mbstring.encoding_translation')), array('on', 'yes', 'true')))
&& !in_array(strtolower(ini_get('mbstring.http_input')), array('pass', '8bit', 'utf-8'))) {
user_error('php.ini settings: Please disable mbstring.encoding_translation or set mbstring.http_input to "pass"', E_USER_WARNING);
}
if (MB_OVERLOAD_STRING & (int) ini_get('mbstring.func_overload')) {
user_error('php.ini settings: Please disable mbstring.func_overload', E_USER_WARNING);
}
if (function_exists('mb_regex_encoding')) {
mb_regex_encoding('UTF-8');
}
ini_set('mbstring.script_encoding', 'pass');
if ('utf-8' !== strtolower(mb_internal_encoding())) {
mb_internal_encoding('UTF-8');
}
if ('none' !== strtolower(mb_substitute_character())) {
mb_substitute_character('none');
}
if (!in_array(strtolower(mb_http_output()), array('pass', '8bit'))) {
mb_http_output('pass');
}
if (!in_array(strtolower(mb_language()), array('uni', 'neutral'))) {
mb_language('uni');
}
} elseif (!function_exists('mb_strlen')) {
extension_loaded('iconv') or static::initIconv();
require __DIR__.'/Bootup/mbstring.php';
}
}
public static function initIconv()
{
if (extension_loaded('iconv')) {
if ('UTF-8' !== strtoupper(iconv_get_encoding('input_encoding'))) {
iconv_set_encoding('input_encoding', 'UTF-8');
}
if ('UTF-8' !== strtoupper(iconv_get_encoding('internal_encoding'))) {
iconv_set_encoding('internal_encoding', 'UTF-8');
}
if ('UTF-8' !== strtoupper(iconv_get_encoding('output_encoding'))) {
iconv_set_encoding('output_encoding', 'UTF-8');
}
} elseif (!function_exists('iconv')) {
require __DIR__.'/Bootup/iconv.php';
}
}
public static function initExif()
{
if (extension_loaded('exif')) {
if (ini_get('exif.encode_unicode') && 'UTF-8' !== strtoupper(ini_get('exif.encode_unicode'))) {
ini_set('exif.encode_unicode', 'UTF-8');
}
if (ini_get('exif.encode_jis') && 'UTF-8' !== strtoupper(ini_get('exif.encode_jis'))) {
ini_set('exif.encode_jis', 'UTF-8');
}
}
}
public static function initIntl()
{
if (defined('GRAPHEME_CLUSTER_RX')) {
return;
}
define('GRAPHEME_CLUSTER_RX', PCRE_VERSION >= '8.32' ? '\X' : s\Intl::GRAPHEME_CLUSTER_RX);
if (!function_exists('grapheme_strlen')) {
extension_loaded('iconv') or static::initIconv();
extension_loaded('mbstring') or static::initMbstring();
require __DIR__.'/Bootup/intl.php';
}
}
public static function initLocale()
{
// With non-UTF-8 locale, basename() bugs.
// Be aware that setlocale() can be slow.
// You'd better properly configure your LANG environment variable to an UTF-8 locale.
if ('' === basename('§')) {
setlocale(LC_ALL, 'C.UTF-8', 'C');
setlocale(LC_CTYPE, 'en_US.UTF-8', 'fr_FR.UTF-8', 'es_ES.UTF-8', 'de_DE.UTF-8', 'ru_RU.UTF-8', 'pt_BR.UTF-8', 'it_IT.UTF-8', 'ja_JP.UTF-8', 'zh_CN.UTF-8', '0');
}
}
public static function filterRequestUri($uri = null, $exit = true)
{
if (!isset($uri)) {
if (!isset($_SERVER['REQUEST_URI'])) {
return;
} else {
$uri = $_SERVER['REQUEST_URI'];
}
}
// Ensures the URL is well formed UTF-8
// When not, assumes Windows-1252 and redirects to the corresponding UTF-8 encoded URL
if (!preg_match('//u', urldecode($uri))) {
$uri = preg_replace_callback(
'/[\x80-\xFF]+/',
function ($m) {return urlencode($m[0]);},
$uri
);
$uri = preg_replace_callback(
'/(?:%[89A-F][0-9A-F])+/i',
function ($m) {return urlencode(u::utf8_encode(urldecode($m[0])));},
$uri
);
if ($exit) {
header('HTTP/1.1 301 Moved Permanently');
header('Location: '.$uri);
exit; // TODO: remove this in 1.2 (BC)
}
}
return $uri;
}
public static function filterRequestInputs($normalization_form = 4 /* n::NFC */, $leading_combining = '◌')
{
// Ensures inputs are well formed UTF-8
// When not, assumes Windows-1252 and converts to UTF-8
// Tests only values, not keys
$a = array(&$_FILES, &$_ENV, &$_GET, &$_POST, &$_COOKIE, &$_SERVER, &$_REQUEST);
foreach ($a[0] as &$r) {
$a[] = array(&$r['name'], &$r['type']);
}
unset($a[0]);
$len = count($a) + 1;
for ($i = 1; $i < $len; ++$i) {
foreach ($a[$i] as &$r) {
$s = $r; // $r is a ref, $s a copy
if (is_array($s)) {
$a[$len++] = &$r;
} else {
$r = static::filterString($s, $normalization_form, $leading_combining);
}
}
unset($a[$i]);
}
}
public static function filterString($s, $normalization_form = 4 /* n::NFC */, $leading_combining = '◌')
{
if (false !== strpos($s, "\r")) {
// Workaround https://bugs.php.net/65732
$s = str_replace("\r\n", "\n", $s);
$s = strtr($s, "\r", "\n");
}
if (preg_match('/[\x80-\xFF]/', $s)) {
if (n::isNormalized($s, $normalization_form)) {
$n = '-';
} else {
$n = n::normalize($s, $normalization_form);
if (isset($n[0])) {
$s = $n;
} else {
$s = u::utf8_encode($s);
}
}
if ($s[0] >= "\x80" && isset($n[0], $leading_combining[0]) && preg_match('/^\p{Mn}/u', $s)) {
// Prevent leading combining chars
// for NFC-safe concatenations.
$s = $leading_combining.$s;
}
}
return $s;
}
}
Zerion Mini Shell 1.0