org.keycloak.util.BasicAuthHelper Maven / Gradle / Ivy
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.util;
import org.keycloak.common.util.Base64;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
/**
* @author Bill Burke
* @version $Revision: 1 $
*/
public class BasicAuthHelper
{
public static String createHeader(String username, String password)
{
StringBuffer buf = new StringBuffer(username);
buf.append(':').append(password);
try
{
return "Basic " + Base64.encodeBytes(buf.toString().getBytes("UTF-8"));
}
catch (UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
}
public static String[] parseHeader(String header)
{
if (header.length() < 6) return null;
String type = header.substring(0, 5);
type = type.toLowerCase();
if (!type.equalsIgnoreCase("Basic")) return null;
String val = header.substring(6);
try {
val = new String(Base64.decode(val.getBytes()));
} catch (IOException e) {
throw new RuntimeException(e);
}
int seperatorIndex = val.indexOf(":");
if(seperatorIndex == -1) return null;
String user = val.substring(0, seperatorIndex);
String pw = val.substring(seperatorIndex + 1);
return new String[]{user,pw};
}
}