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/*
* ============LICENSE_START===================================================
* Copyright (c) 2018 Amdocs
* ============================================================================
* 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.
* ============LICENSE_END=====================================================
*/
package org.onap.sdnc.apps.pomba.networkdiscovery.service;
import java.io.File;
import java.io.FileInputStream;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.Response.Status.Family;
import org.apache.commons.io.IOUtils;
import org.onap.logging.ref.slf4j.ONAPLogAdapter;
import org.onap.sdnc.apps.pomba.networkdiscovery.ApplicationException;
public class OSAuthentication {
private static final String CONFIG_AUTH_DIR = "config/auth";
private static final String X_SUBJECT_TOKEN = "X-Subject-Token";
private static final String USER_PATTERN = "%USER%";
private static final String PW_PATTERN = "%PASSWORD%";
private OSAuthentication() {
throw new IllegalStateException("Utility class");
}
public static String getToken(String openstackIdentityUrl, String userId, String password, Client openstackClient,
ONAPLogAdapter adapter) throws ApplicationException {
String mappingConfigPath = CONFIG_AUTH_DIR + File.separator + "osauth.json";
File file = new File(mappingConfigPath);
Response result;
try {
String payload = IOUtils.toString(new FileInputStream(file), "UTF-8");
payload = payload.replaceAll(USER_PATTERN, userId);
payload = payload.replaceAll(PW_PATTERN, password);
result = openstackClient.target(openstackIdentityUrl).request()
.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
.post(Entity.entity(payload, MediaType.APPLICATION_JSON));
} catch (Exception e) {
// catch the case when the connection times out (e.g., host not available).
throw new ApplicationException(ApplicationException.Error.GENERAL_FAILURE, Status.NOT_FOUND,
"Openstack API login failed - " + e.getMessage());
}
String jsonResult = result.readEntity(String.class);
if (result.getStatusInfo().getFamily() != Family.SUCCESSFUL) {
throw new ApplicationException(ApplicationException.Error.GENERAL_FAILURE, Status.NOT_FOUND, jsonResult);
}
String token = result.getHeaderString(X_SUBJECT_TOKEN);
if (token == null) {
throw new ApplicationException(ApplicationException.Error.GENERAL_FAILURE, Status.NOT_FOUND,
"Failed to get token from Openstack API response");
}
adapter.unwrap().debug("Got token: {}", token);
return token;
}
}
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