2 * ============LICENSE_START======================================================================
3 * Copyright (C) 2023 Nordix Foundation. All rights reserved.
4 * ===============================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END========================================================================
19 package com.oransc.rappmanager.models.csar;
21 import com.oransc.rappmanager.models.rapp.Rapp;
22 import com.oransc.rappmanager.models.rapp.RappResources;
23 import com.oransc.rappmanager.models.rappinstance.RappACMInstance;
24 import com.oransc.rappmanager.models.rappinstance.RappSMEInstance;
25 import java.io.ByteArrayOutputStream;
27 import java.io.FileInputStream;
28 import java.io.IOException;
29 import java.nio.file.Path;
30 import java.util.List;
31 import java.util.UUID;
32 import java.util.function.Predicate;
33 import java.util.zip.ZipEntry;
34 import java.util.zip.ZipFile;
35 import org.apache.commons.compress.archivers.ArchiveEntry;
36 import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
39 import org.springframework.stereotype.Service;
40 import org.springframework.web.multipart.MultipartFile;
43 public class RappCsarConfigurationHandler {
45 Logger logger = LoggerFactory.getLogger(RappCsarConfigurationHandler.class);
46 private static final String ACM_COMPOSITION_JSON_LOCATION = "Files/Acm/definition/compositions.json";
47 private static final String ACM_DEFINITION_LOCATION = "Files/Acm/definition";
48 private static final String ACM_INSTANCES_LOCATION = "Files/Acm/instances";
50 private static final String SME_PROVIDER_FUNCS_LOCATION = "Files/Sme/providers";
51 private static final String SME_SERVICE_APIS_LOCATION = "Files/Sme/serviceapis";
53 private static final String SME_INVOKERS_LOCATION = "Files/Sme/invokers";
56 public boolean isValidRappPackage(MultipartFile multipartFile) {
57 String originalFilename = multipartFile.getOriginalFilename();
58 if (originalFilename != null) {
59 return originalFilename.endsWith(".csar") && isFileExistsInCsar(multipartFile,
60 ACM_COMPOSITION_JSON_LOCATION);
65 boolean isFileExistsInCsar(MultipartFile multipartFile, String fileLocation) {
66 try (ZipArchiveInputStream zipArchiveInputStream = new ZipArchiveInputStream(multipartFile.getInputStream())) {
67 ArchiveEntry zipEntry;
68 while ((zipEntry = zipArchiveInputStream.getNextEntry()) != null) {
69 if (zipEntry.getName().matches(fileLocation)) {
74 } catch (IOException e) {
75 logger.error("Unable to find the CSAR file", e);
80 public Path getRappPackageLocation(String csarLocation, String rappId, String fileName) {
81 return Path.of(csarLocation, rappId, fileName);
84 public String getInstantiationPayload(Rapp rapp, RappACMInstance rappACMInstance, UUID compositionId) {
85 return getPayload(rapp, getResourceUri(ACM_INSTANCES_LOCATION, rappACMInstance.getInstance())).replaceAll(
86 "COMPOSITIONID", String.valueOf(compositionId));
89 String getPayload(Rapp rapp, String location) {
90 logger.info("Getting payload for {} from {}", rapp.getRappId(), location);
91 File csarFile = getCsarFile(rapp);
92 return getFileFromCsar(csarFile, location).toString();
95 File getCsarFile(Rapp rapp) {
97 getRappPackageLocation(rapp.getPackageLocation(), rapp.getName(), rapp.getPackageName()).toUri());
100 ByteArrayOutputStream getFileFromCsar(File csarFile, String fileLocation) {
101 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
102 try (FileInputStream fileInputStream = new FileInputStream(csarFile);
103 ZipArchiveInputStream zipArchiveInputStream = new ZipArchiveInputStream(fileInputStream)) {
105 while ((entry = zipArchiveInputStream.getNextEntry()) != null) {
106 if (!entry.isDirectory() && entry.getName().equals(fileLocation)) {
107 byte[] buffer = new byte[1024];
109 while ((bytesRead = zipArchiveInputStream.read(buffer)) != -1) {
110 byteArrayOutputStream.write(buffer, 0, bytesRead);
114 } catch (IOException e) {
115 logger.error("Unable to find the CSAR file", e);
117 return byteArrayOutputStream;
121 public String getSmeProviderDomainPayload(Rapp rapp, RappSMEInstance rappSMEInstance) {
122 return getPayload(rapp, getResourceUri(SME_PROVIDER_FUNCS_LOCATION, rappSMEInstance.getProviderFunction()));
125 public String getSmeProviderApiPayload(Rapp rapp, RappSMEInstance rappSMEInstance) {
126 return getPayload(rapp, getResourceUri(SME_SERVICE_APIS_LOCATION, rappSMEInstance.getServiceApis()));
129 public String getSmeInvokerPayload(Rapp rapp, RappSMEInstance rappSMEInstance) {
130 return getPayload(rapp, getResourceUri(SME_INVOKERS_LOCATION, rappSMEInstance.getInvokers()));
133 public String getAcmCompositionPayload(Rapp rapp) {
134 return getPayload(rapp,
135 getResourceUri(ACM_DEFINITION_LOCATION, rapp.getRappResources().getAcm().getCompositionDefinitions()));
138 String getResourceUri(String resourceLocation, String resource) {
139 return resourceLocation + "/" + resource + ".json";
142 public RappResources getRappResource(Rapp rapp) {
143 RappResources rappResources = new RappResources();
145 File csarFile = getCsarFile(rapp);
146 if (csarFile.exists()) {
147 rappResources.setAcm(RappResources.ACMResources.builder().compositionDefinitions(
148 getFileListFromCsar(csarFile, ACM_DEFINITION_LOCATION).get(0)).compositionInstances(
149 getFileListFromCsar(csarFile, ACM_INSTANCES_LOCATION)).build());
150 rappResources.setSme(RappResources.SMEResources.builder().providerFunctions(
151 getFileListFromCsar(csarFile, SME_PROVIDER_FUNCS_LOCATION))
152 .serviceApis(getFileListFromCsar(csarFile, SME_SERVICE_APIS_LOCATION))
153 .invokers(getFileListFromCsar(csarFile, SME_INVOKERS_LOCATION)).build());
155 } catch (Exception e) {
156 logger.warn("Error in getting the rapp resources", e);
158 return rappResources;
161 List<String> getFileListFromCsar(File csarFile, String dirLocation) {
162 try (ZipFile zipFile = new ZipFile(csarFile)) {
163 return zipFile.stream().filter(Predicate.not(ZipEntry::isDirectory)).map(ZipEntry::getName)
164 .filter(name -> name.startsWith(dirLocation))
165 .map(name -> name.substring(name.lastIndexOf("/") + 1, name.lastIndexOf("."))).toList();
166 } catch (IOException e) {
167 logger.warn("Error in listing the files from csar", e);