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/*-
* ============LICENSE_START=======================================================
* ONAP-PAP-REST
* ================================================================================
* Copyright (C) 2017-2018 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.policy.pap.xacml.rest.service;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.policy.common.logging.eelf.PolicyLogger;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.pap.xacml.rest.components.CreateBRMSRuleTemplate;
import org.onap.policy.pap.xacml.rest.components.CreateNewMicroServiceModel;
public class ImportService {
private static final Logger logger = FlexLogger.getLogger(ImportService.class);
private static String errorMessage = "Error in reading in file from API call";
private static String errorMsg = "error";
private static String operation = "operation";
private static String importHeader = "import";
private static String service = "service";
private static String extractDir = "ExtractDir";
private static String successMessage = "success";
private static String invalidServiceName = "Invalid ServiceName";
private static final String REGEX = "[0-9a-zA-Z._ ]*";
public void doImportMicroServicePut(HttpServletRequest request, HttpServletResponse response) {
String importServiceCreation = request.getParameter("importService");
String fileName = request.getParameter("fileName");
String version = request.getParameter("version");
String serviceName = request.getParameter("serviceName");
if(serviceName == null || serviceName.isEmpty() || !serviceName.matches(REGEX)){
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
response.addHeader(errorMsg, "missing");
response.addHeader(operation, importHeader);
response.addHeader(service, invalidServiceName);
return;
}
String description = request.getParameter("description");
Map<String, String> successMap = new HashMap<>();
if(("BRMSPARAM").equals(importServiceCreation)){
StringBuilder builder = new StringBuilder();
int ch;
try {
while((ch = request.getInputStream().read()) != -1){
builder.append((char)ch);
}
} catch (IOException e) {
logger.error(e);
PolicyLogger.error(errorMessage);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader(errorMsg, "missing");
response.addHeader(operation, importHeader);
response.addHeader(service, serviceName);
}
CreateBRMSRuleTemplate brmsRuleTemplate = new CreateBRMSRuleTemplate();
successMap = brmsRuleTemplate.addRule(builder.toString(), serviceName, description, "API");
}
else if(("MICROSERVICE").equals(importServiceCreation)){
CreateNewMicroServiceModel newMS = null;
String randomID = UUID.randomUUID().toString();
if ( fileName != null) {
File extracDir = new File(extractDir);
if (!extracDir.exists()){
extracDir.mkdirs();
}
if (fileName.contains(".xmi")){
// get the request content into a String
String xmi = null;
java.util.Scanner scanner;
try {
scanner = new java.util.Scanner(request.getInputStream());
scanner.useDelimiter("\\A");
xmi = scanner.hasNext() ? scanner.next() : "";
scanner.close();
} catch (IOException e1) {
logger.error(e1);
PolicyLogger.error(errorMessage);
return;
}
PolicyLogger.info("XML request from API for import new Service");
try (Writer writer = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(extractDir + File.separator + randomID+".xmi"), "utf-8"))) {
writer.write(xmi);
} catch (IOException e) {
logger.error(e);
PolicyLogger.error(errorMessage);
return;
}
}else{
InputStream inputStream = null;
try(FileOutputStream outputStream = new FileOutputStream(extractDir + File.separator + randomID+".zip")) {
inputStream = request.getInputStream();
byte[] buffer = new byte[4096];
int bytesRead = -1 ;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead) ;
}
} catch (IOException e) {
PolicyLogger.error("Error in reading in Zip File from API call"+e);
return;
}finally{
try {
if(inputStream != null){
inputStream.close();
}
} catch (IOException e) {
PolicyLogger.error("Exception Occured while closing the input/output stream"+e);
}
}
}
newMS = new CreateNewMicroServiceModel(fileName, serviceName, "API", version, randomID);
successMap = newMS.addValuesToNewModel();
if (successMap.containsKey(successMessage)) {
successMap.clear();
successMap = newMS.saveImportService();
}
}
}
// return a response to the PAP
if (successMap.containsKey(successMessage)) {
response.setStatus(HttpServletResponse.SC_OK);
response.addHeader("successMapKey", successMessage);
response.addHeader(operation, importHeader);
response.addHeader(service, serviceName);
} else if (successMap.containsKey("DBError")) {
if (successMap.get("DBError").contains("EXISTS")){
response.setStatus(HttpServletResponse.SC_CONFLICT);
response.addHeader(service, serviceName);
response.addHeader(errorMsg, "modelExistsDB");
}else{
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader(errorMsg, "importDB");
}
response.addHeader(operation, importHeader);
response.addHeader(service, serviceName);
}else if (successMap.get(errorMsg).contains("MISSING")){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader(errorMsg, "missing");
response.addHeader(operation, importHeader);
response.addHeader(service, serviceName);
}else if (successMap.get(errorMsg).contains("VALIDATION")){
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.addHeader(errorMsg, "validation");
response.addHeader(operation, importHeader);
response.addHeader(service, serviceName);
}
}
}
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