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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.sdc.security;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.onap.portalsdk.core.onboarding.exception.PortalAPIException;
import org.onap.portalsdk.core.onboarding.util.PortalApiProperties;
import org.onap.portalsdk.core.restful.domain.EcompUser;
import org.onap.sdc.security.logging.elements.LogFieldsMdcHandler;
import org.onap.sdc.security.logging.enums.EcompLoggerErrorCode;
import org.onap.sdc.security.logging.wrappers.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.io.IOException;
import java.security.InvalidParameterException;
import java.util.Base64;
import static org.onap.portalsdk.core.onboarding.util.CipherUtil.decryptPKC;
import static org.onap.sdc.security.utils.SecurityLogsUtils.PORTAL_TARGET_ENTITY;
import static org.onap.sdc.security.utils.SecurityLogsUtils.fullOptionalData;
@Component/*("portalUtils")*/
public class PortalClient {
private static final Logger log = Logger.getLogger(PortalClient.class.getName());
private final CloseableHttpClient httpClient;
private static final String GET_ROLES_PORTAL_URL = "/v4/user/%s";
private static final String UEB_KEY = "uebkey";
private static final String AUTHORIZATION = "Authorization";
private static final String CONTENT_TYPE_HEADER = "Content-Type";
private final PortalConfiguration portalConfiguration;
private static final String RECEIVED_NULL_ROLES = "Received null roles for user";
private static final String RECEIVED_MULTIPLE_ROLES = "Received multiple roles for user {}";
private static final String RECEIVED_MULTIPLE_ROLES2 = "Received multiple roles for user";
/* @Autowired
public PortalClient(CloseableHttpClient httpClient) {
try {
this.portalConfiguration = new PortalConfiguration();
} catch (org.onap.portalsdk.core.onboarding.exception.CipherUtilException e) {
throw new RestrictionAccessFilterException(e);
}
this.httpClient = httpClient;
}*/
@Autowired
public PortalClient(CloseableHttpClient httpClient, IPortalConfiguration portalConfiguration) {
try {
this.portalConfiguration = new PortalConfiguration(portalConfiguration);
} catch (org.onap.portalsdk.core.onboarding.exception.CipherUtilException e) {
throw new RestrictionAccessFilterException(e);
}
this.httpClient = httpClient;
}
public String fetchUserRolesFromPortal(String userId) {
String fetchedUserRoleFromPortal;
try {
EcompUser ecompUser = extractObjectFromResponseJson(getResponseFromPortal(userId));
log.debug("GET USER ROLES response for user {}: {}", userId, ecompUser);
checkIfSingleRoleProvided(ecompUser);
fetchedUserRoleFromPortal = ecompUser.getRoles().stream().findFirst().get().getName();
} catch (IOException | PortalAPIException e) {
log.error(EcompLoggerErrorCode.BUSINESS_PROCESS_ERROR, LogFieldsMdcHandler.getInstance().getServiceName(),
fullOptionalData(PORTAL_TARGET_ENTITY, "/fetchRolesFromPortal"),"GET USER ROLES from portal failed: {}", e.getMessage());
log.debug("Fetching user roles from Portal failed", e);
throw new RestrictionAccessFilterException(e);
}
return fetchedUserRoleFromPortal;
}
public static void checkIfSingleRoleProvided(EcompUser user) throws PortalAPIException {
if(user.getRoles() == null) {
log.debug(RECEIVED_NULL_ROLES, user);
//BeEcompErrorManager.getInstance().logInvalidInputError(CHECK_ROLES, RECEIVED_NULL_ROLES, BeEcompErrorManager.ErrorSeverity.ERROR);
throw new PortalAPIException(RECEIVED_NULL_ROLES + user);
}else if(user.getRoles().size() > 1) {
log.debug(RECEIVED_MULTIPLE_ROLES, user);
//BeEcompErrorManager.getInstance().logInvalidInputError(CHECK_ROLES, RECEIVED_MULTIPLE_ROLES2, BeEcompErrorManager.ErrorSeverity.ERROR);
throw new PortalAPIException(RECEIVED_MULTIPLE_ROLES2 + user);
}
}
private String getResponseFromPortal(String userId) throws IOException {
HttpGet httpGet = createHttpGetRequest(userId);
CloseableHttpResponse httpResponse = this.httpClient.execute(httpGet);
//Json extraction is handled inside this function due to IO Stream issues.
JSONObject jsonFromResponse = (JSONObject) JSONValue.parse(EntityUtils.toString(httpResponse.getEntity()));
httpResponse.close();
return jsonFromResponse.toString();
}
private EcompUser extractObjectFromResponseJson(String jsonFromResponse) {
return RepresentationUtils.fromRepresentation(jsonFromResponse, EcompUser.class);
}
private HttpGet createHttpGetRequest(String userId) {
final String url = String.format(portalConfiguration.getEcompPortalRestURL() + GET_ROLES_PORTAL_URL, userId);
log.debug("Going to execute an http get to the following URL: {}", url);
HttpGet httpGet = new HttpGet(url);
String encodedBasicAuthCred = Base64.getEncoder()
.encodeToString((portalConfiguration.getDecryptedPortalUser() + ":" +
portalConfiguration.getDecryptedPortalPassword())
.getBytes());
httpGet.setHeader(UEB_KEY, portalConfiguration.getUebKey());
httpGet.setHeader(AUTHORIZATION, "Basic " + encodedBasicAuthCred);
httpGet.setHeader(CONTENT_TYPE_HEADER, "application/json");
return httpGet;
}
private static class PortalConfiguration {
private static final String PROPERTY_NOT_SET = "%s property value is not set in portal.properties file";
private String decryptedPortalUser;
private String decryptedPortalPassword;
private String ecompPortalRestURL;
private String decryptedPortalAppName;
private String uebKey;
private PortalConfiguration() throws org.onap.portalsdk.core.onboarding.exception.CipherUtilException {
this.decryptedPortalUser = decryptPKC(getPortalProperty(PortalPropertiesEnum.USER.value()));
this.decryptedPortalPassword = decryptPKC(getPortalProperty(PortalPropertiesEnum.PASSWORD.value()));
this.decryptedPortalAppName = decryptPKC(getPortalProperty(PortalPropertiesEnum.APP_NAME.value()));
this.ecompPortalRestURL = getPortalProperty(PortalPropertiesEnum.ECOMP_REST_URL.value());
this.uebKey = getPortalProperty(PortalPropertiesEnum.UEB_APP_KEY.value());
}
private PortalConfiguration(IPortalConfiguration portalConfiguration) throws org.onap.portalsdk.core.onboarding.exception.CipherUtilException {
this.decryptedPortalUser = decryptPKC(portalConfiguration.getPortalUser());
this.decryptedPortalPassword = decryptPKC(portalConfiguration.getPortalPass());
this.decryptedPortalAppName = decryptPKC(portalConfiguration.getPortalAppName());
this.ecompPortalRestURL = portalConfiguration.getEcompRestUrl();
this.uebKey = portalConfiguration.getUebAppKey();
}
public static String getPropertyNotSet() {
return PROPERTY_NOT_SET;
}
public String getDecryptedPortalUser() {
return decryptedPortalUser;
}
public String getDecryptedPortalPassword() {
return decryptedPortalPassword;
}
public String getEcompPortalRestURL() {
return ecompPortalRestURL;
}
public String getDecryptedPortalAppName() {
return decryptedPortalAppName;
}
public String getUebKey() {
return uebKey;
}
@VisibleForTesting
String getPortalProperty(String key) {
String value = PortalApiProperties.getProperty(key);
if (StringUtils.isEmpty(value)) {
throw new InvalidParameterException(String.format(PROPERTY_NOT_SET, key));
}
return value;
}
}
public enum PortalPropertiesEnum {
APP_NAME("portal_app_name"),
ECOMP_REST_URL("ecomp_rest_url"),
PASSWORD("portal_pass"),
UEB_APP_KEY("ueb_app_key"),
USER("portal_user");
private final String value;
PortalPropertiesEnum(String value) {
this.value = value;
}
public String value() {
return value;
}
}
}
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