org.apache.tomcat.websocket.BasicAuthenticator Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.websocket;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Map;
/**
* Authenticator supporting the BASIC auth method.
*/
public class BasicAuthenticator extends Authenticator {
public static final String schemeName = "basic";
public static final String charsetparam = "charset";
@Override
public String getAuthorization(String requestUri, String WWWAuthenticate,
Map userProperties) throws AuthenticationException {
String userName = (String) userProperties.get(Constants.WS_AUTHENTICATION_USER_NAME);
String password = (String) userProperties.get(Constants.WS_AUTHENTICATION_PASSWORD);
if (userName == null || password == null) {
throw new AuthenticationException(
"Failed to perform Basic authentication due to missing user/password");
}
Map wwwAuthenticate = parseWWWAuthenticateHeader(WWWAuthenticate);
String userPass = userName + ":" + password;
Charset charset;
if (wwwAuthenticate.get(charsetparam) != null
&& wwwAuthenticate.get(charsetparam).equalsIgnoreCase("UTF-8")) {
charset = StandardCharsets.UTF_8;
} else {
charset = StandardCharsets.ISO_8859_1;
}
String base64 = Base64.getEncoder().encodeToString(userPass.getBytes(charset));
return " Basic " + base64;
}
@Override
public String getSchemeName() {
return schemeName;
}
}