| /* |
| * ==================================================================== |
| * 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; |
| |
| final Header h = request.getFirstHeader(AUTH.WWW_AUTH_RESP); |
| if (h != null) { |
| final String s = h.getValue(); |
| if (s != null) { |
| auth = s.trim(); |
| } |
| } |
| |
| if (auth != null) { |
| final int i = auth.indexOf(' '); |
| if (i == -1) { |
| throw new ProtocolException("Invalid Authorization header: " + auth); |
| } |
| final String authscheme = auth.substring(0, i); |
| if (authscheme.equalsIgnoreCase("basic")) { |
| final String s = auth.substring(i + 1).trim(); |
| try { |
| final byte[] credsRaw = EncodingUtils.getAsciiBytes(s); |
| final BinaryDecoder codec = new Base64(); |
| auth = EncodingUtils.getAsciiString(codec.decode(credsRaw)); |
| } catch (final DecoderException ex) { |
| throw new ProtocolException("Malformed BASIC credentials"); |
| } |
| } |
| } |
| return auth; |
| } |
| |
| } |