68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.websocket;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.util.Map;
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import org.apache.tomcat.util.codec.binary.Base64;
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/**
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* Authenticator supporting the BASIC auth method.
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*/
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public class BasicAuthenticator extends Authenticator {
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public static final String schemeName = "basic";
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public static final String charsetparam = "charset";
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@Override
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public String getAuthorization(String requestUri, String WWWAuthenticate,
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Map<String, Object> userProperties) throws AuthenticationException {
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String userName = (String) userProperties.get(Constants.WS_AUTHENTICATION_USER_NAME);
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String password = (String) userProperties.get(Constants.WS_AUTHENTICATION_PASSWORD);
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if (userName == null || password == null) {
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throw new AuthenticationException(
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"Failed to perform Basic authentication due to missing user/password");
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}
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Map<String, String> wwwAuthenticate = parseWWWAuthenticateHeader(WWWAuthenticate);
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String userPass = userName + ":" + password;
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Charset charset;
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if (wwwAuthenticate.get(charsetparam) != null
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&& wwwAuthenticate.get(charsetparam).equalsIgnoreCase("UTF-8")) {
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charset = StandardCharsets.UTF_8;
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} else {
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charset = StandardCharsets.ISO_8859_1;
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}
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String base64 = Base64.encodeBase64String(userPass.getBytes(charset));
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return " Basic " + base64;
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}
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@Override
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public String getSchemeName() {
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return schemeName;
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}
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}
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