You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
1.9 KiB
PHP
72 lines
1.9 KiB
PHP
<?php
|
|
/**
|
|
* Created by PhpStorm.
|
|
* User: yp-tc-7176
|
|
* Date: 17/7/16
|
|
* Time: 20:28
|
|
*/
|
|
|
|
require_once("StringBuilder.php");
|
|
|
|
|
|
abstract class HttpUtils
|
|
{
|
|
/**
|
|
* Normalize a string for use in url path. The algorithm is:
|
|
* <p>
|
|
* <p>
|
|
* <ol>
|
|
* <li>Normalize the string</li>
|
|
* <li>replace all "%2F" with "/"</li>
|
|
* <li>replace all "//" with "/%2F"</li>
|
|
* </ol>
|
|
* <p>
|
|
* <p>
|
|
* object key can contain arbitrary characters, which may result double slash in the url path. Apache http
|
|
* client will replace "//" in the path with a single '/', which makes the object key incorrect. Thus we replace
|
|
* "//" with "/%2F" here.
|
|
*
|
|
* @param path the path string to normalize.
|
|
* @return the normalized path string.
|
|
* @see #normalize(String)
|
|
*/
|
|
public static function normalizePath($path)
|
|
{
|
|
return str_replace("%2F", "/",HttpUtils::normalize($path));
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return string
|
|
*/
|
|
public static function normalize($value)
|
|
{
|
|
return rawurlencode($value);
|
|
}
|
|
|
|
public static function startsWith($haystack, $needle) {
|
|
// search backwards starting from haystack length characters from the end
|
|
return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== FALSE;
|
|
}
|
|
|
|
public static function endsWith($haystack, $needle) {
|
|
// search forward starting from end minus needle length characters
|
|
return $needle === "" || (($temp = strlen($haystack) - strlen($needle)) >= 0 && strpos($haystack, $needle, $temp) !== FALSE);
|
|
}
|
|
|
|
/**
|
|
* @param $path
|
|
* @return string
|
|
*/
|
|
public static function getCanonicalURIPath($path)
|
|
{
|
|
if ($path == null) {
|
|
return "/";
|
|
} else if (HttpUtils::startsWith($path,'/')) {
|
|
return HttpUtils::normalizePath($path);
|
|
} else {
|
|
return "/" + HttpUtils::normalizePath($path);
|
|
}
|
|
}
|
|
|
|
} |