Package org.graylog2.system.urlwhitelist

Class RegexHelper

java.lang.Object

org.graylog2.system.urlwhitelist.RegexHelper

public class RegexHelper
extends Object

Utility class to help creating an appropriate regex to be used in a whitelist entry.

Constructor Summary

Constructors

Constructor	Description
RegexHelper()

Method Summary

Modifier and Type	Method	Description
String	createRegexForUrl(String url)	Quotes the url and adds a ^ and $.
String	createRegexForUrlTemplate(String url, String placeholder)	Replaces all placeholders in a "url template" with .*?, quotes everything else and adds ^ and $ to it.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RegexHelper

public RegexHelper()

Method Details

createRegexForUrlTemplate

public String createRegexForUrlTemplate(String url,
 String placeholder)

Replaces all placeholders in a "url template" with .*?, quotes everything else and adds ^ and $ to it.

An example:

https://example.com/api/lookup?key=${key}

will become

^\Qhttps://example.com/api/lookup?key=\E.*?$

createRegexForUrl

public String createRegexForUrl(String url)

Quotes the url and adds a ^ and $.