تأسست على رؤية مُختلفة، تهدف إلى تقديم تجربة فريدة من نوعها في الأثاث المكتبي والفندقي لكي نضمن بيئة عمل توفر مساحات عمل مريحة وصحية، حيث نمتاز بخبراتنا الواسعة فأصبحت أحد أفضل المؤسسات الوطنية الرائدة في تجارة وصناعة الأثاث والتصميم الداخلي والسبّاقة على مستوى المملكة في المفروشات المكتبية والفندقية والمنزلية، نهدف الى خلق قيمة لعملائنا عن طريق توفير الجودة العالية في مقابل السعر المناسب.
UX-антипаттерны в действии – Анализ скриншотов популярных онлайн-площадок Просматривая сотни скриншотов популярных онлайн-площадок, мы сразу же видим: навязчивое […]
UX-антипаттерны в действии – Анализ скриншотов популярных онлайн-площадок Просматривая сотни скриншотов популярных онлайн-площадок, мы сразу же видим: навязчивое […]
<?php
// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-License-Identifier: BSD-3-Clause
declare(strict_types=1);
namespace SimplePie;
/**
* Decode 'gzip' encoded HTTP data
*
* @link http://www.gzip.org/format.txt
* @link https://www.php.net/manual/en/function.gzdecode.php
* @deprecated since SimplePie 1.9.0, use `gzdecode` function instead.
*/
class Gzdecode
{
/**
* Compressed data
*
* @access private
* @var string
* @see gzdecode::$data
*/
public $compressed_data;
/**
* Size of compressed data
*
* @access private
* @var int
*/
public $compressed_size;
/**
* Minimum size of a valid gzip string
*
* @access private
* @var int
*/
public $min_compressed_size = 18;
/**
* Current position of pointer
*
* @access private
* @var int
*/
public $position = 0;
/**
* Flags (FLG)
*
* @access private
* @var int
*/
public $flags;
/**
* Uncompressed data
*
* @access public
* @see gzdecode::$compressed_data
* @var string
*/
public $data;
/**
* Modified time
*
* @access public
* @var int
*/
public $MTIME;
/**
* Extra Flags
*
* @access public
* @var int
*/
public $XFL;
/**
* Operating System
*
* @access public
* @var int
*/
public $OS;
/**
* Subfield ID 1
*
* @access public
* @see gzdecode::$extra_field
* @see gzdecode::$SI2
* @var string
*/
public $SI1;
/**
* Subfield ID 2
*
* @access public
* @see gzdecode::$extra_field
* @see gzdecode::$SI1
* @var string
*/
public $SI2;
/**
* Extra field content
*
* @access public
* @see gzdecode::$SI1
* @see gzdecode::$SI2
* @var string
*/
public $extra_field;
/**
* Original filename
*
* @access public
* @var string
*/
public $filename;
/**
* Human readable comment
*
* @access public
* @var string
*/
public $comment;
/**
* Don't allow anything to be set
*
* @param string $name
* @param mixed $value
*/
public function __set(string $name, $value)
{
throw new Exception("Cannot write property $name");
}
/**
* Set the compressed string and related properties
*
* @param string $data
*/
public function __construct(string $data)
{
$this->compressed_data = $data;
$this->compressed_size = strlen($data);
}
/**
* Decode the GZIP stream
*
* @return bool Successfulness
*/
public function parse()
{
if ($this->compressed_size >= $this->min_compressed_size) {
$len = 0;
// Check ID1, ID2, and CM
if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") {
return false;
}
// Get the FLG (FLaGs)
$this->flags = ord($this->compressed_data[3]);
// FLG bits above (1 << 4) are reserved
if ($this->flags > 0x1F) {
return false;
}
// Advance the pointer after the above
$this->position += 4;
// MTIME
$mtime = substr($this->compressed_data, $this->position, 4);
// Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
if (current((array) unpack('S', "\x00\x01")) === 1) {
$mtime = strrev($mtime);
}
$this->MTIME = current((array) unpack('l', $mtime));
$this->position += 4;
// Get the XFL (eXtra FLags)
$this->XFL = ord($this->compressed_data[$this->position++]);
// Get the OS (Operating System)
$this->OS = ord($this->compressed_data[$this->position++]);
// Parse the FEXTRA
if ($this->flags & 4) {
// Read subfield IDs
$this->SI1 = $this->compressed_data[$this->position++];
$this->SI2 = $this->compressed_data[$this->position++];
// SI2 set to zero is reserved for future use
if ($this->SI2 === "\x00") {
return false;
}
// Get the length of the extra field
$len = current((array) unpack('v', substr($this->compressed_data, $this->position, 2)));
$this->position += 2;
// Check the length of the string is still valid
$this->min_compressed_size += $len + 4;
if ($this->compressed_size >= $this->min_compressed_size) {
// Set the extra field to the given data
$this->extra_field = substr($this->compressed_data, $this->position, $len);
$this->position += $len;
} else {
return false;
}
}
// Parse the FNAME
if ($this->flags & 8) {
// Get the length of the filename
$len = strcspn($this->compressed_data, "\x00", $this->position);
// Check the length of the string is still valid
$this->min_compressed_size += $len + 1;
if ($this->compressed_size >= $this->min_compressed_size) {
// Set the original filename to the given string
$this->filename = substr($this->compressed_data, $this->position, $len);
$this->position += $len + 1;
} else {
return false;
}
}
// Parse the FCOMMENT
if ($this->flags & 16) {
// Get the length of the comment
$len = strcspn($this->compressed_data, "\x00", $this->position);
// Check the length of the string is still valid
$this->min_compressed_size += $len + 1;
if ($this->compressed_size >= $this->min_compressed_size) {
// Set the original comment to the given string
$this->comment = substr($this->compressed_data, $this->position, $len);
$this->position += $len + 1;
} else {
return false;
}
}
// Parse the FHCRC
if ($this->flags & 2) {
// Check the length of the string is still valid
$this->min_compressed_size += $len + 2;
if ($this->compressed_size >= $this->min_compressed_size) {
// Read the CRC
$crc = current((array) unpack('v', substr($this->compressed_data, $this->position, 2)));
// Check the CRC matches
if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) {
$this->position += 2;
} else {
return false;
}
} else {
return false;
}
}
// Decompress the actual data
if (($data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) {
return false;
}
$this->data = $data;
$this->position = $this->compressed_size - 8;
// Check CRC of data
$crc = current((array) unpack('V', substr($this->compressed_data, $this->position, 4)));
$this->position += 4;
/*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
{
return false;
}*/
// Check ISIZE of data
$isize = current((array) unpack('V', substr($this->compressed_data, $this->position, 4)));
$this->position += 4;
if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) {
return false;
}
// Wow, against all odds, we've actually got a valid gzip string
return true;
}
return false;
}
}
class_alias('SimplePie\Gzdecode', 'SimplePie_gzdecode');
