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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2018 IBM.
*
* Licensed 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.onap.ccsdk.config.rest.adaptor.utils;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.Base64;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.util.Assert;
public class BasicAuthorizationInterceptor implements ClientHttpRequestInterceptor {
private static final Charset UTF_8 = Charset.forName("UTF-8");
private final String username;
private final String pass;
/**
* Create a new interceptor which adds a BASIC authorization header for the given username and pass.
*
* @param username the username to use
* @param pass the password to use
*/
public BasicAuthorizationInterceptor(String username, String pass) {
Assert.hasLength(username, "Username must not be empty");
this.username = username;
this.pass = (pass != null ? pass : "");
}
@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution)
throws IOException {
String token = Base64.getEncoder().encodeToString((this.username + ":" + this.pass).getBytes(UTF_8));
request.getHeaders().add("Authorization", "Basic " + token);
return execution.execute(request, body);
}
}
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