<?php
namespace GuzzleHttp\Psr7;
use Psr\Http\Message\UriInterface;
final class UriNormalizer
{
const PRESERVING_NORMALIZATIONS = 63;
const CAPITALIZE_PERCENT_ENCODING = 1;
const DECODE_UNRESERVED_CHARACTERS = 2;
const CONVERT_EMPTY_PATH = 4;
const REMOVE_DEFAULT_HOST = 8;
const REMOVE_DEFAULT_PORT = 16;
const REMOVE_DOT_SEGMENTS = 32;
const REMOVE_DUPLICATE_SLASHES = 64;
const SORT_QUERY_PARAMETERS = 128;
public static function normalize(UriInterface $uri, $flags = self::PRESERVING_NORMALIZATIONS)
{
if ($flags & self::CAPITALIZE_PERCENT_ENCODING) {
$uri = self::capitalizePercentEncoding($uri);
}
if ($flags & self::DECODE_UNRESERVED_CHARACTERS) {
$uri = self::decodeUnreservedCharacters($uri);
}
if ($flags & self::CONVERT_EMPTY_PATH && $uri->getPath() === '' &&
($uri->getScheme() === 'http' || $uri->getScheme() === 'https')
) {
$uri = $uri->withPath('/');
}
if ($flags & self::REMOVE_DEFAULT_HOST && $uri->getScheme() === 'file' && $uri->getHost() === 'localhost') {
$uri = $uri->withHost('');
}
if ($flags & self::REMOVE_DEFAULT_PORT && $uri->getPort() !== null && Uri::isDefaultPort($uri)) {
$uri = $uri->withPort(null);
}
if ($flags & self::REMOVE_DOT_SEGMENTS && !Uri::isRelativePathReference($uri)) {
$uri = $uri->withPath(UriResolver::removeDotSegments($uri->getPath()));
}
if ($flags & self::REMOVE_DUPLICATE_SLASHES) {
$uri = $uri->withPath(preg_replace(' }
if ($flags & self::SORT_QUERY_PARAMETERS && $uri->getQuery() !== '') {
$queryKeyValues = explode('&', $uri->getQuery());
sort($queryKeyValues);
$uri = $uri->withQuery(implode('&', $queryKeyValues));
}
return $uri;
}
public static function isEquivalent(UriInterface $uri1, UriInterface $uri2, $normalizations = self::PRESERVING_NORMALIZATIONS)
{
return (string) self::normalize($uri1, $normalizations) === (string) self::normalize($uri2, $normalizations);
}
private static function capitalizePercentEncoding(UriInterface $uri)
{
$regex = '/(?:%[A-Fa-f0-9]{2})++/';
$callback = function (array $match) {
return strtoupper($match[0]);
};
return
$uri->withPath(
preg_replace_callback($regex, $callback, $uri->getPath())
)->withQuery(
preg_replace_callback($regex, $callback, $uri->getQuery())
);
}
private static function decodeUnreservedCharacters(UriInterface $uri)
{
$regex = '/%(?:2D|2E|5F|7E|3[0-9]|[46][1-9A-F]|[57][0-9A])/i';
$callback = function (array $match) {
return rawurldecode($match[0]);
};
return
$uri->withPath(
preg_replace_callback($regex, $callback, $uri->getPath())
)->withQuery(
preg_replace_callback($regex, $callback, $uri->getQuery())
);
}
private function __construct()
{
}
}