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/*-
* ============LICENSE_START==========================================
* ONAP Portal SDK
* ===================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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============================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.portalsdk.external.authorization.service;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.portalsdk.core.domain.RoleFunction;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.external.authorization.domain.ExternalAccessPerms;
//import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.external.authorization.util.EcompExternalAuthProperties;
import org.onap.portalsdk.external.authorization.util.EcompExternalAuthUtils;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
public class AAFRestServiceImpl implements AAFService {
private static final String PASSCODE = "password";
private static final String ID = "id";
private static final String EXTERNAL_AUTH_GET_USER_ROLES_ENDPOINT = "authz/roles/user/";
private static final String EXTERNAL_AUTH_GET_USER_PERMS_ENDPOINT = "authz/perms/user/";
private static final String EXTERNAL_AUTH_POST_CREDENTIALS_ENDPOINT = "authn/validate";
RestTemplate template = new RestTemplate();
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(AAFRestServiceImpl.class);
@Override
public String getUser(String orgUserId, HttpServletRequest request, HttpHeaders headers) throws Exception {
HttpEntity<String> entity = new HttpEntity<>(headers);
logger.debug(EELFLoggerDelegate.debugLogger, "getUserRoles: Connecting to external auth system for user {}",
orgUserId);
String endPoint = EXTERNAL_AUTH_GET_USER_ROLES_ENDPOINT + orgUserId
+ EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_USER_DOMAIN);
ResponseEntity<String> getResponse = template.exchange(
EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_URL) + endPoint,
HttpMethod.GET, entity, String.class);
if (getResponse.getStatusCode().value() == 200) {
logger.debug(EELFLoggerDelegate.debugLogger,
"getUserRoles: Finished GET user app roles from external auth system and body: {}",
getResponse.getBody());
}
String userRoles = getResponse.getBody();
return userRoles;
}
@Override
public ResponseEntity<String> checkUserExists(String username, String password, String appPass) throws Exception {
username = changeIfUserDomainNotAppended(username);
HttpHeaders headers = EcompExternalAuthUtils.base64encodeKeyForAAFBasicAuth(username, password);
String appUsername = EcompExternalAuthProperties
.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_USER_NAME);
JSONObject credentials = new JSONObject();
credentials.put(ID, appUsername);
credentials.put(PASSCODE, appPass);
HttpEntity<String> entity = new HttpEntity<>(credentials.toString(), headers);
logger.debug(EELFLoggerDelegate.debugLogger, "checkUserExists: Connecting to external auth system for user {}",
username);
ResponseEntity<String> getResponse = template
.exchange(EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_URL)
+ EXTERNAL_AUTH_POST_CREDENTIALS_ENDPOINT, HttpMethod.POST, entity, String.class);
if (getResponse.getStatusCode().value() == 200) {
logger.debug(EELFLoggerDelegate.debugLogger,
"checkUserExists: Finished POST from external auth system to validate credentials and status: {}",
getResponse.getStatusCode().value());
}
return getResponse;
}
private String changeIfUserDomainNotAppended(String username) {
if (!EcompExternalAuthUtils.validate(username)) {
username = username
+ EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_USER_DOMAIN);
}
return username;
}
@Override
public List<ExternalAccessPerms> getIfUserPermsExists(String username, HttpHeaders headers) throws Exception {
HttpEntity<String> entity = new HttpEntity<>(headers);
logger.debug(EELFLoggerDelegate.debugLogger,
"getIfUserPermsExists: Connecting to external auth system for user {}", username);
username = changeIfUserDomainNotAppended(username);
String endPoint = EXTERNAL_AUTH_GET_USER_PERMS_ENDPOINT + username;
ResponseEntity<String> getResponse = getPermsFromExternalAuthSystem(entity, endPoint);
return convertPermsJSONArrayToExternalAccessPerms(new ObjectMapper(), getResponse.getBody());
}
private ResponseEntity<String> getPermsFromExternalAuthSystem(HttpEntity<String> entity, String endPoint) {
ResponseEntity<String> getResponse = template.exchange(
EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_URL) + endPoint,
HttpMethod.GET, entity, String.class);
if (getResponse.getStatusCode().value() == 200) {
logger.debug(EELFLoggerDelegate.debugLogger,
"getPermsFromExternalAuthSystem: Finished GET user perms from external auth system and body: {}",
getResponse.getBody());
}
return getResponse;
}
private List<ExternalAccessPerms> convertPermsJSONArrayToExternalAccessPerms(ObjectMapper mapper, String userPerms)
throws IOException, JsonParseException, JsonMappingException {
JSONObject userPermsJsonObj = null;
JSONArray userPermsJsonArray = null;
List<ExternalAccessPerms> extPermsList = new ArrayList<>();
if (!userPerms.equals(EcompExternalAuthUtils.EXT_EMPTY_JSON_STRING)) {
userPermsJsonObj = new JSONObject(userPerms);
userPermsJsonArray = userPermsJsonObj.getJSONArray(EcompExternalAuthUtils.EXT_PERM_FIELD);
for (int i = 0; i < userPermsJsonArray.length(); i++) {
JSONObject permJsonObj = userPermsJsonArray.getJSONObject(i);
if (!permJsonObj.getString(EcompExternalAuthUtils.EXT_PERM_FIELD_TYPE)
.endsWith(EcompExternalAuthUtils.EXT_PERM_ACCESS)) {
ExternalAccessPerms perm = mapper.readValue(permJsonObj.toString(), ExternalAccessPerms.class);
extPermsList.add(perm);
}
}
}
return extPermsList;
}
@Override
public List<RoleFunction> getRoleFunctions(String orgUserId, HttpHeaders headers) throws Exception {
ObjectMapper mapper = new ObjectMapper();
HttpEntity<String> entity = new HttpEntity<>(headers);
logger.debug(EELFLoggerDelegate.debugLogger, "getRoleFunctions: Connecting to external auth system for user {}",
orgUserId);
String endPoint = EXTERNAL_AUTH_GET_USER_PERMS_ENDPOINT + orgUserId
+ EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_USER_DOMAIN);
ResponseEntity<String> getResponse = template.exchange(
EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_URL) + endPoint,
HttpMethod.GET, entity, String.class);
if (getResponse.getStatusCode().value() == 200) {
logger.debug(EELFLoggerDelegate.debugLogger,
"getRoleFunctions: Finished GET user perms from external system and body: {}",
getResponse.getBody());
}
String userPerms = getResponse.getBody();
List<ExternalAccessPerms> extPermsList = convertPermsJSONArrayToExternalAccessPerms(mapper, userPerms);
return convertToRoleFunctionList(extPermsList);
}
private List<RoleFunction> convertToRoleFunctionList(List<ExternalAccessPerms> extPermsList) {
List<RoleFunction> roleFunctions = new ArrayList<>();
String namespace = EcompExternalAuthProperties.getProperty(EcompExternalAuthProperties.EXTERNAL_AUTH_NAMESPACE);
for (ExternalAccessPerms extPerm : extPermsList) {
RoleFunction roleFunction = new RoleFunction();
roleFunction.setCode(extPerm.getInstance());
roleFunction.setAction(extPerm.getAction());
if (extPerm.getDescription() != null
&& EcompExternalAuthUtils.checkNameSpaceMatching(extPerm.getType(), namespace)) {
roleFunction.setName(extPerm.getDescription());
} else if (extPerm.getDescription() == null
&& EcompExternalAuthUtils.checkNameSpaceMatching(extPerm.getType(), namespace)) {
roleFunction.setName(extPerm.getType().substring(namespace.length() + 1) + "|" + extPerm.getInstance()
+ "|" + extPerm.getAction());
} else if (extPerm.getDescription() == null
&& !EcompExternalAuthUtils.checkNameSpaceMatching(extPerm.getType(), namespace)) {
roleFunction.setName(extPerm.getType() + "|" + extPerm.getInstance() + "|" + extPerm.getAction());
}
if (EcompExternalAuthUtils.checkNameSpaceMatching(extPerm.getType(), namespace)) {
roleFunction.setType(extPerm.getType().substring(namespace.length() + 1));
} else {
roleFunction.setType(extPerm.getType());
}
roleFunctions.add(roleFunction);
}
return roleFunctions;
}
}
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