2 * Copyright © 2017-2018 AT&T Intellectual Property.
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3 * Modifications Copyright © 2018 IBM.
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5 * Licensed under the Apache License, Version 2.0 (the "License");
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6 * you may not use this file except in compliance with the License.
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7 * You may obtain a copy of the License at
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9 * http://www.apache.org/licenses/LICENSE-2.0
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11 * Unless required by applicable law or agreed to in writing, software
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 * See the License for the specific language governing permissions and
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15 * limitations under the License.
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18 package org.onap.ccsdk.features.rest.adaptor.utils;
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20 import java.io.IOException;
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21 import java.nio.charset.Charset;
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22 import java.util.Base64;
23 import org.springframework.http.HttpRequest;
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24 import org.springframework.http.client.ClientHttpRequestExecution;
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25 import org.springframework.http.client.ClientHttpRequestInterceptor;
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26 import org.springframework.http.client.ClientHttpResponse;
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27 import org.springframework.util.Assert;
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29 public class BasicAuthorizationInterceptor implements ClientHttpRequestInterceptor {
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30 private static final Charset UTF_8 = Charset.forName("UTF-8");
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32 private final String username;
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34 private final String pass;
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37 * Create a new interceptor which adds a BASIC authorization header for the given username and pass.
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39 * @param username the username to use
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40 * @param pass the password to use
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42 public BasicAuthorizationInterceptor(String username, String pass) {
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43 Assert.hasLength(username, "Username must not be empty");
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44 this.username = username;
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45 this.pass = (pass != null ? pass : "");
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49 public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution)
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50 throws IOException {
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52 String token = Base64.getEncoder().encodeToString((this.username + ":" + this.pass).getBytes(UTF_8));
53 request.getHeaders().add("Authorization", "Basic " + token);
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54 return execution.execute(request, body);
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