/*
* Copyright 2004-2014 SmartBear Software
*
* Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent
* versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl
*
* Unless required by applicable law or agreed to in writing, software distributed under the Licence is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the Licence for the specific language governing permissions and limitations
* under the Licence.
*//*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.localserver;
import org.apache.commons.codec.BinaryDecoder;
import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.Header;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.ProtocolException;
import org.apache.http.auth.AUTH;
import org.apache.http.util.EncodingUtils;
public class BasicAuthTokenExtractor {
public String extract(final HttpRequest request) throws HttpException {
String auth = null;
Header h = request.getFirstHeader(AUTH.WWW_AUTH_RESP);
if (h != null) {
String s = h.getValue();
if (s != null) {
auth = s.trim();
}
}
if (auth != null) {
int i = auth.indexOf(' ');
if (i == -1) {
throw new ProtocolException("Invalid Authorization header: " + auth);
}
String authscheme = auth.substring(0, i);
if (authscheme.equalsIgnoreCase("basic")) {
String s = auth.substring(i + 1).trim();
try {
byte[] credsRaw = EncodingUtils.getAsciiBytes(s);
BinaryDecoder codec = new Base64();
auth = EncodingUtils.getAsciiString(codec.decode(credsRaw));
} catch (DecoderException ex) {
throw new ProtocolException("Malformed BASIC credentials");
}
}
}
return auth;
}
}