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Mini Shell
Mini Shell
<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2014 Bitrix
*/
namespace Bitrix\Main\Web;
class HttpHeaders
{
protected $headers = array();
public function __construct()
{
}
/**
* Adds a header.
* @param string $name
* @param string $value
*/
public function add($name, $value)
{
$name = str_replace(array("\r", "\n"), "", $name);
$value = str_replace(array("\r", "\n"), "", $value);
$nameLower = strtolower($name);
if(!isset($this->headers[$nameLower]))
{
$this->headers[$nameLower] = array(
"name" => $name,
"values" => array(),
);
}
$this->headers[$nameLower]["values"][] = $value;
}
/**
* Sets a header value.
* @param string $name
* @param string|null $value
*/
public function set($name, $value)
{
$name = str_replace(array("\r", "\n"), "", $name);
if($value !== null)
{
$value = str_replace(array("\r", "\n"), "", $value);
}
$nameLower = strtolower($name);
$this->headers[$nameLower] = array(
"name" => $name,
"values" => array($value),
);
}
/**
* Returns a header value by its name. If $returnArray is true then an array with multiple values is returned.
* @param string $name
* @param bool $returnArray
* @return null|string|array
*/
public function get($name, $returnArray = false)
{
$nameLower = strtolower($name);
if(isset($this->headers[$nameLower]))
{
if($returnArray)
{
return $this->headers[$nameLower]["values"];
}
return $this->headers[$nameLower]["values"][0];
}
return null;
}
/**
* Clears all headers.
*/
public function clear()
{
unset($this->headers);
$this->headers = array();
}
/**
* Returns the string representation for a HTTP request.
* @return string
*/
public function toString()
{
$str = "";
foreach($this->headers as $header)
{
foreach($header["values"] as $value)
{
$str .= $header["name"].": ".$value."\r\n";
}
}
return $str;
}
/**
* Returns headers as a raw array.
* @return array
*/
public function toArray()
{
return $this->headers;
}
/**
* Returns the content type part of the Content-Type header.
* @return null|string
*/
public function getContentType()
{
$contentType = $this->get("Content-Type");
if($contentType !== null)
{
$parts = explode(";", $contentType);
return trim($parts[0]);
}
return null;
}
/**
* Returns the charset part of the Content-Type header.
* @return null|string
*/
public function getCharset()
{
$contentType = $this->get("Content-Type");
if($contentType !== null)
{
$parts = explode(";", $contentType);
foreach($parts as $part)
{
$values = explode("=", $part);
if(strtolower(trim($values[0])) == "charset")
{
return trim($values[1]);
}
}
}
return null;
}
/**
* Returns disposition-type part of the Content-Disposition header
* @return null|string Disposition-type part of the Content-Disposition header if found or null otherwise.
*/
public function getContentDisposition()
{
$contentDisposition = $this->get("Content-Disposition");
if($contentDisposition !== null)
{
$parts = explode(";", $contentDisposition);
return trim($parts[0]);
}
return null;
}
/**
* Returns a filename from the Content-disposition header.
*
* @return string|null Filename if it was found in the Content-disposition header or null otherwise.
*/
public function getFilename()
{
$contentDisposition = $this->get('Content-disposition');
if($contentDisposition !== null)
{
$filename = null;
$encoding = null;
$contentElements = explode(';', $contentDisposition);
foreach($contentElements as $contentElement)
{
$contentElement = trim($contentElement);
if(preg_match('/^filename\*=(.+)\'(.+)?\'(.+)$/', $contentElement, $matches))
{
$filename = $matches[3];
$encoding = $matches[1];
break;
}
elseif(preg_match('/^filename="(.+)"$/', $contentElement, $matches))
{
$filename = $matches[1];
}
elseif(preg_match('/^filename=(.+)$/', $contentElement, $matches))
{
$filename = $matches[1];
}
}
if($filename <> '')
{
$filename = urldecode($filename);
if($encoding <> '')
{
$charset = \Bitrix\Main\Context::getCurrent()->getCulture()->getCharset();
$filename = \Bitrix\Main\Text\Encoding::convertEncoding($filename, $encoding, $charset);
}
}
return $filename;
}
return null;
}
}
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