com.sun.jersey.api.client.filter.HTTPBasicAuthFilter Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.api.client.filter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import javax.ws.rs.core.HttpHeaders;
import com.sun.jersey.api.client.ClientHandlerException;
import com.sun.jersey.api.client.ClientRequest;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.core.util.Base64;
/**
* Client filter adding HTTP Basic Authentication header to the HTTP request,
* if no such header is already present
*
* @author [email protected], [email protected]
*/
public final class HTTPBasicAuthFilter extends ClientFilter {
private final String authentication;
static private final Charset CHARACTER_SET = Charset.forName("iso-8859-1");
/**
* Creates a new HTTP Basic Authentication filter using provided username
* and password credentials. This constructor allows you to avoid storing
* plain password value in a String variable.
*
* @param username
* @param password
*/
public HTTPBasicAuthFilter(final String username, final byte[] password) {
try {
final byte[] prefix = (username + ":").getBytes(CHARACTER_SET);
final byte[] usernamePassword = new byte[prefix.length + password.length];
System.arraycopy(prefix, 0, usernamePassword, 0, prefix.length);
System.arraycopy(password, 0, usernamePassword, prefix.length, password.length);
authentication = "Basic " + new String(Base64.encode(usernamePassword), "ASCII");
} catch (UnsupportedEncodingException ex) {
// This should never occur
throw new RuntimeException(ex);
}
}
/**
* Creates a new HTTP Basic Authentication filter using provided username
* and password credentials.
*
* @param username
* @param password
*/
public HTTPBasicAuthFilter(final String username, final String password) {
this(username, password.getBytes(CHARACTER_SET));
}
@Override
public ClientResponse handle(final ClientRequest cr) throws ClientHandlerException {
if (!cr.getHeaders().containsKey(HttpHeaders.AUTHORIZATION)) {
cr.getHeaders().add(HttpHeaders.AUTHORIZATION, authentication);
}
return getNext().handle(cr);
}
}