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alazhar
2020-01-02 22:20:31 +07:00
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libraries/joomla/string/punycode.php Normal file
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<?php
/**
* @package Joomla.Platform
* @subpackage String
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
JLoader::register('idna_convert', JPATH_ROOT . '/libraries/idna_convert/idna_convert.class.php');
/**
* Joomla Platform String Punycode Class
*
* Class for handling UTF-8 URLs
* Wraps the Punycode library
* All functions assume the validity of utf-8 URLs.
*
* @package Joomla.Platform
* @subpackage String
* @since 3.1.2
*/
abstract class JStringPunycode
{
/**
* Transforms a UTF-8 string to a Punycode string
*
* @param string $utfString The UTF-8 string to transform
*
* @return string The punycode string
*
* @since 3.1.2
*/
public static function toPunycode($utfString)
{
$idn = new idna_convert;
return $idn->encode($utfString);
}
/**
* Transforms a Punycode string to a UTF-8 string
*
* @param string $punycodeString The Punycode string to transform
*
* @return string The UF-8 URL
*
* @since 3.1.2
*/
public static function fromPunycode($punycodeString)
{
$idn = new idna_convert;
return $idn->decode($punycodeString);
}
/**
* Transforms a UTF-8 URL to a Punycode URL
*
* @param string $uri The UTF-8 URL to transform
*
* @return string The punycode URL
*
* @since 3.1.2
*/
public static function urlToPunycode($uri)
{
$parsed = JString::parse_url($uri);
if (!isset($parsed['host']) || $parsed['host'] == '')
{
// If there is no host we do not need to convert it.
return;
}
$host = $parsed['host'];
$hostExploded = explode('.', $host);
$newhost = '';
foreach ($hostExploded as $hostex)
{
$hostex = static::toPunycode($hostex);
$newhost .= $hostex . '.';
}
$newhost = substr($newhost, 0, -1);
$newuri = '';
if (!empty($parsed['scheme']))
{
// Assume :// is required although it is not always.
$newuri .= $parsed['scheme'] . '://';
}
if (!empty($newhost))
{
$newuri .= $newhost;
}
if (!empty($parsed['path']))
{
$newuri .= $parsed['path'];
}
if (!empty($parsed['query']))
{
$newuri .= '?' . $parsed['query'];
}
return $newuri;
}
/**
* Transforms a Punycode URL to a UTF-8 URL
*
* @param string $uri The Punycode URL to transform
*
* @return string The UTF-8 URL
*
* @since 3.1.2
*/
public static function urlToUTF8($uri)
{
if (empty($uri))
{
return;
}
$parsed = JString::parse_url($uri);
if (!isset($parsed['host']) || $parsed['host'] == '')
{
// If there is no host we do not need to convert it.
return $uri;
}
$host = $parsed['host'];
$hostExploded = explode('.', $host);
$newhost = '';
foreach ($hostExploded as $hostex)
{
$hostex = self::fromPunycode($hostex);
$newhost .= $hostex . '.';
}
$newhost = substr($newhost, 0, -1);
$newuri = '';
if (!empty($parsed['scheme']))
{
// Assume :// is required although it is not always.
$newuri .= $parsed['scheme'] . '://';
}
if (!empty($newhost))
{
$newuri .= $newhost;
}
if (!empty($parsed['path']))
{
$newuri .= $parsed['path'];
}
if (!empty($parsed['query']))
{
$newuri .= '?' . $parsed['query'];
}
return $newuri;
}
/**
* Transforms a UTF-8 e-mail to a Punycode e-mail
* This assumes a valid email address
*
* @param string $email The UTF-8 e-mail to transform
*
* @return string The punycode e-mail
*
* @since 3.1.2
*/
public static function emailToPunycode($email)
{
$explodedAddress = explode('@', $email);
// Not addressing UTF-8 user names
$newEmail = $explodedAddress[0];
if (!empty($explodedAddress[1]))
{
$domainExploded = explode('.', $explodedAddress[1]);
$newdomain = '';
foreach ($domainExploded as $domainex)
{
$domainex = static::toPunycode($domainex);
$newdomain .= $domainex . '.';
}
$newdomain = substr($newdomain, 0, -1);
$newEmail = $newEmail . '@' . $newdomain;
}
return $newEmail;
}
/**
* Transforms a Punycode e-mail to a UTF-8 e-mail
* This assumes a valid email address
*
* @param string $email The punycode e-mail to transform
*
* @return string The punycode e-mail
*
* @since 3.1.2
*/
public static function emailToUTF8($email)
{
$explodedAddress = explode('@', $email);
// Not addressing UTF-8 user names
$newEmail = $explodedAddress[0];
if (!empty($explodedAddress[1]))
{
$domainExploded = explode('.', $explodedAddress[1]);
$newdomain = '';
foreach ($domainExploded as $domainex)
{
$domainex = static::fromPunycode($domainex);
$newdomain .= $domainex . '.';
}
$newdomain = substr($newdomain, 0, -1);
$newEmail = $newEmail . '@' . $newdomain;
}
return $newEmail;
}
}