catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/CsarValidationUtils.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.openecomp.sdc.be.components.impl;
  21
  22 import fj.data.Either;
  23 import java.io.ByteArrayInputStream;
  24 import java.io.IOException;
  25 import java.io.StringReader;
  26 import java.util.ArrayList;
  27 import java.util.Arrays;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Optional;
  31 import java.util.Properties;
  32 import java.util.regex.Matcher;
  33 import java.util.regex.Pattern;
  34 import java.util.stream.Collectors;
  35 import org.apache.commons.lang3.tuple.ImmutablePair;
  36 import org.openecomp.sdc.be.config.BeEcompErrorManager;
  37 import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
  38 import org.openecomp.sdc.be.dao.api.ActionStatus;
  39 import org.openecomp.sdc.be.impl.ComponentsUtils;
  40 import org.openecomp.sdc.be.tosca.CsarUtils;
  41 import org.openecomp.sdc.common.log.wrappers.Logger;
  42 import org.openecomp.sdc.common.util.GeneralUtility;
  43 import org.openecomp.sdc.exception.ResponseFormat;
  44
  45 public class CsarValidationUtils {
  46
  47     private static final Logger log = Logger.getLogger(CsarValidationUtils.class.getName());
  48     private static final String TOSCA_META_FILE_VERSION = "TOSCA-Meta-File-Version";
  49     private static final String CSAR_VERSION = "CSAR-Version";
  50     private static final String CREATED_BY = "Created-By";
  51     private static final String NEW_LINE_DELM = "\n";
  52     private static final String TOSCA_METADATA = "TOSCA-Metadata";
  53     private static final String TOSCA_FILE = "TOSCA.meta";
  54     private static final String DEL_PATTERN = "([/\\\\]+)";
  55     private static final String TOSCA_METADATA_PATH_PATTERN = TOSCA_METADATA +
  56         // Artifact Group (i.e Deployment/Informational)
  57         DEL_PATTERN + TOSCA_FILE;
  58     private static final String TOSCA_META_ENTRY_DEFINITIONS = "Entry-Definitions";
  59     private static final String[] TOSCA_METADATA_FIELDS = {TOSCA_META_FILE_VERSION, CSAR_VERSION, CREATED_BY, TOSCA_META_ENTRY_DEFINITIONS};
  60     private static final String ARTIFACTS_METADATA_FILE = "HEAT.meta";
  61     private static final String TOSCA_CSAR_EXTENSION = ".csar";
  62     private static final String TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID = "TOSCA-Metadata/TOSCA.meta file is not in expected key-value form in csar, csar ID {}";
  63     private static final String TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID = "TOSCA-Metadata/TOSCA.meta file not in expected key-value form in CSAR with id ";
  64     private static final String CSAR_INTERNALS_ARE_INVALID = "CSAR internals are invalid";
  65     private static final String ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID = "Entry-Definitions entry not found in TOSCA-Metadata/TOSCA.meta file, csar ID {}";
  66     private static final String FILE_NOT_FOUND_IN_CSAR_WITH_ID = " file not found in CSAR with id ";
  67     private static final String CSAR_STRUCTURE_IS_INVALID = "CSAR structure is invalid";
  68     private static final String ENTRY_DEFINITIONS = "Entry-Definitions ";
  69     private static final Pattern floatPattern = Pattern.compile("^\\d{1}[.]\\d{1}$");
  70
  71     /**
  72      * Utility classes, which are collections of static members, are not meant to be instantiated
  73      */
  74     private CsarValidationUtils() {
  75     }
  76
  77     /**
  78      * Validates Csar
  79      *
  80      * @param csar
  81      * @param csarUUID
  82      * @param componentsUtils
  83      * @return
  84      */
  85     public static Either<Boolean, ResponseFormat> validateCsar(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
  86         Either<Boolean, ResponseFormat> validateStatus = validateIsTOSCAMetadataExist(csar, csarUUID, componentsUtils);
  87         if (validateStatus.isRight()) {
  88             return Either.right(validateStatus.right().value());
  89         }
  90         removeNonUniqueArtifactsFromCsar(csar);
  91         log.trace("TOSCA-Metadata/TOSCA.meta file found, CSAR id {}", csarUUID);
  92         validateStatus = validateTOSCAMetadataFile(csar, csarUUID, componentsUtils);
  93         if (validateStatus.isRight()) {
  94             return Either.right(validateStatus.right().value());
  95         }
  96         return Either.left(true);
  97     }
  98
  99     private static void removeNonUniqueArtifactsFromCsar(Map<String, byte[]> csar) {
 100         List<String> nonUniqueArtifactsToRemove = new ArrayList<>();
 101         String[] paths = csar.keySet().toArray(new String[csar.keySet().size()]);
 102         int numberOfArtifacts = paths.length;
 103         for (int i = 0; i < numberOfArtifacts; ++i) {
 104             collectNonUniqueArtifact(paths, i, numberOfArtifacts, nonUniqueArtifactsToRemove);
 105         }
 106         nonUniqueArtifactsToRemove.stream().forEach(csar::remove);
 107     }
 108
 109     private static void collectNonUniqueArtifact(String[] paths, int currInd, int numberOfArtifacts, List<String> nonUniqueArtifactsToRemove) {
 110         String[] parsedPath = paths[currInd].split("/");
 111         String[] otherParsedPath;
 112         int artifactNameInd = parsedPath.length - 1;
 113         for (int j = currInd + 1; j < numberOfArtifacts; ++j) {
 114             otherParsedPath = paths[j].split("/");
 115             if (parsedPath.length == otherParsedPath.length && parsedPath.length > 3 && isEqualArtifactNames(parsedPath, otherParsedPath)) {
 116                 log.error(
 117                     "Can't upload two artifact with the same name {}. The artifact with path {} will be handled, and the artifact with path {} will be ignored. ",
 118                     parsedPath[artifactNameInd], paths[currInd], paths[j]);
 119                 nonUniqueArtifactsToRemove.add(paths[j]);
 120             }
 121         }
 122     }
 123
 124     private static boolean isEqualArtifactNames(String[] parsedPath, String[] otherParsedPath) {
 125         boolean isEqualArtifactNames = false;
 126         int artifactNameInd = parsedPath.length - 1;
 127         int artifactGroupTypeInd = parsedPath.length - 3;
 128         String groupType = parsedPath[artifactGroupTypeInd];
 129         String artifactName = parsedPath[artifactNameInd];
 130         String otherGroupType = otherParsedPath[artifactGroupTypeInd];
 131         String otherArtifactName = otherParsedPath[artifactNameInd];
 132         String vfcToscaName = parsedPath.length == 5 ? parsedPath[1] : null;
 133         if (artifactName.equalsIgnoreCase(otherArtifactName) && groupType.equalsIgnoreCase(otherGroupType)) {
 134             isEqualArtifactNames = vfcToscaName == null || vfcToscaName.equalsIgnoreCase(otherParsedPath[1]);
 135         }
 136         return isEqualArtifactNames;
 137     }
 138
 139     public static Either<ImmutablePair<String, String>, ResponseFormat> getToscaYaml(Map<String, byte[]> csar, String csarUUID,
 140                                                                                      ComponentsUtils componentsUtils) {
 141         Either<Boolean, ResponseFormat> validateStatus = validateIsTOSCAMetadataExist(csar, csarUUID, componentsUtils);
 142         if (validateStatus.isRight()) {
 143             return Either.right(validateStatus.right().value());
 144         }
 145         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 146         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 147         if (!keyOp.isPresent()) {
 148             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 149             BeEcompErrorManager.getInstance()
 150                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 151                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 152             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 153         }
 154         byte[] toscaMetaBytes = csar.get(keyOp.get());
 155         Properties props = new Properties();
 156         try {
 157             String propStr = new String(toscaMetaBytes);
 158             props.load(new StringReader(propStr.replace("\\", "\\\\")));
 159         } catch (IOException e) {
 160             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 161             BeEcompErrorManager.getInstance()
 162                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 163                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 164             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 165         }
 166         String yamlFileName = props.getProperty(TOSCA_META_ENTRY_DEFINITIONS);
 167         String[] ops = yamlFileName.split(DEL_PATTERN);
 168         List<String> list = Arrays.asList(ops);
 169         String result = list.stream().map(x -> x).collect(Collectors.joining(DEL_PATTERN));
 170         keyOp = csar.keySet().stream().filter(k -> Pattern.compile(result).matcher(k).matches()).findAny();
 171         if (!keyOp.isPresent()) {
 172             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 173             BeEcompErrorManager.getInstance()
 174                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 175                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 176             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 177         }
 178         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", yamlFileName, csarUUID);
 179         byte[] yamlFileBytes = csar.get(yamlFileName);
 180         if (yamlFileBytes == null) {
 181             log.debug("Entry-Definitions {} file not found in csar, csar ID {}", yamlFileName, csarUUID);
 182             BeEcompErrorManager.getInstance()
 183                 .logInternalDataError(ENTRY_DEFINITIONS + yamlFileName + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 184                     ErrorSeverity.ERROR);
 185             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 186         }
 187         String yamlFileContents = new String(yamlFileBytes);
 188         return Either.left(new ImmutablePair<>(yamlFileName, yamlFileContents));
 189     }
 190
 191     public static Either<ImmutablePair<String, String>, ResponseFormat> getArtifactsMeta(Map<String, byte[]> csar, String csarUUID,
 192                                                                                          ComponentsUtils componentsUtils) {
 193         if (!csar.containsKey(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE)) {
 194             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 195             BeEcompErrorManager.getInstance()
 196                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 197                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 198             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, ARTIFACTS_METADATA_FILE));
 199         }
 200         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", ARTIFACTS_METADATA_FILE,
 201             csarUUID);
 202         byte[] artifactsMetaBytes = csar.get(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE);
 203         if (artifactsMetaBytes == null) {
 204             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, ARTIFACTS_METADATA_FILE, csarUUID);
 205             BeEcompErrorManager.getInstance().logInternalDataError(
 206                 ENTRY_DEFINITIONS + CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID,
 207                 CSAR_STRUCTURE_IS_INVALID, ErrorSeverity.ERROR);
 208             return Either.right(
 209                 componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE));
 210         }
 211         String artifactsFileContents = new String(artifactsMetaBytes);
 212         return Either.left(new ImmutablePair<>(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE, artifactsFileContents));
 213     }
 214
 215     public static Either<ImmutablePair<String, byte[]>, ResponseFormat> getArtifactContent(String csarUUID, Map<String, byte[]> csar,
 216                                                                                            String artifactPath, String artifactName,
 217                                                                                            ComponentsUtils componentsUtils) {
 218         if (!csar.containsKey(artifactPath)) {
 219             log.debug("Entry-Definitions entry not found in Artifacts/HEAT.meta file, csar ID {}", csarUUID);
 220             BeEcompErrorManager.getInstance()
 221                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 222                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 223             return Either
 224                 .right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, CsarUtils.ARTIFACTS_PATH + artifactName, csarUUID));
 225         }
 226         log.trace("Found Entry-Definitions property in Artifacts/HEAT.meta, Entry-Definitions: {}, CSAR id: {}", artifactPath, csarUUID);
 227         byte[] artifactFileBytes = csar.get(artifactPath);
 228         if (artifactFileBytes == null) {
 229             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, artifactName, csarUUID);
 230             BeEcompErrorManager.getInstance()
 231                 .logInternalDataError(ENTRY_DEFINITIONS + artifactPath + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 232                     ErrorSeverity.ERROR);
 233             return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, artifactPath, csarUUID));
 234         }
 235         return Either.left(new ImmutablePair<>(artifactName, artifactFileBytes));
 236     }
 237
 238     private static Either<Boolean, ResponseFormat> validateTOSCAMetadataFile(Map<String, byte[]> csar, String csarUUID,
 239                                                                              ComponentsUtils componentsUtils) {
 240         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 241         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 242         if (!keyOp.isPresent()) {
 243             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 244             BeEcompErrorManager.getInstance()
 245                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 246                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 247             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 248         }
 249         byte[] toscaMetaBytes = csar.get(keyOp.get());
 250         String toscaMetadata = new String(toscaMetaBytes);
 251         String[] splited = toscaMetadata.split(NEW_LINE_DELM);
 252         if (splited == null || splited.length < TOSCA_METADATA_FIELDS.length) {
 253             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 254             BeEcompErrorManager.getInstance()
 255                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 256                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 257             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 258         }
 259         Either<Boolean, ResponseFormat> blockStatus = validateBlock(csarUUID, splited, componentsUtils);
 260         if (blockStatus.isRight()) {
 261             return Either.right(blockStatus.right().value());
 262         }
 263         return Either.left(true);
 264     }
 265
 266     private static Either<Boolean, ResponseFormat> validateBlock(String csarUUID, String[] splited, ComponentsUtils componentsUtils) {
 267         int index = 0;
 268         for (String toscaField : TOSCA_METADATA_FIELDS) {
 269             Properties props = new Properties();
 270             try {
 271                 props.load(new ByteArrayInputStream(splited[index].getBytes()));
 272             } catch (IOException e) {
 273                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 274                 BeEcompErrorManager.getInstance()
 275                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 276                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 277                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 278             }
 279             if (!props.containsKey(toscaField)) {
 280                 log.debug("TOSCA.meta file format is invalid: No new line after block_0 as expected in csar, csar ID {}", csarUUID);
 281                 BeEcompErrorManager.getInstance()
 282                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 283                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 284                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 285             }
 286             String value = props.getProperty(toscaField);
 287             if (value == null || value.isEmpty()) {
 288                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 289                 BeEcompErrorManager.getInstance()
 290                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 291                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 292                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 293             }
 294             // TOSCA-Meta-File-Version & CSAR-Version : digit.digit - format
 295
 296             // validation
 297             if ((toscaField.equals(TOSCA_META_FILE_VERSION) || toscaField.equals(CSAR_VERSION)) && !validateTOSCAMetaProperty(value)) {
 298                 log.debug("TOSCA-Metadata/TOSCA.meta file contains {} in wrong format (digit.digit), csar ID {}", toscaField, csarUUID);
 299                 BeEcompErrorManager.getInstance()
 300                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 301                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 302                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 303             }
 304             index++;
 305         }
 306         return Either.left(true);
 307     }
 308
 309     private static boolean validateTOSCAMetaProperty(String toscaProperty) {
 310         Matcher floatMatcher = floatPattern.matcher(toscaProperty);
 311         return floatMatcher.matches();
 312     }
 313
 314     private static Either<Boolean, ResponseFormat> validateIsTOSCAMetadataExist(Map<String, byte[]> csar, String csarUUID,
 315                                                                                 ComponentsUtils componentsUtils) {
 316         if (csar == null || csar.isEmpty()) {
 317             log.debug("Error when fetching csar with ID {}", csarUUID);
 318             BeEcompErrorManager.getInstance().logBeDaoSystemError("Creating resource from CSAR: fetching CSAR with id " + csarUUID + " failed");
 319             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID);
 320             return Either.right(responseFormat);
 321         }
 322         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 323         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 324         if (!keyOp.isPresent()) {
 325             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 326             BeEcompErrorManager.getInstance()
 327                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 328                     ErrorSeverity.ERROR);
 329             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 330         }
 331         byte[] toscaMetaBytes = csar.get(keyOp.get());
 332         if (toscaMetaBytes == null || toscaMetaBytes.length == 0) {
 333             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 334             BeEcompErrorManager.getInstance()
 335                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 336                     ErrorSeverity.ERROR);
 337             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 338         }
 339         return Either.left(Boolean.TRUE);
 340     }
 341
 342     public static Either<String, ResponseFormat> getToscaYamlChecksum(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
 343         Either<ImmutablePair<String, String>, ResponseFormat> toscaYamlRes = getToscaYaml(csar, csarUUID, componentsUtils);
 344         if (toscaYamlRes.isRight() || toscaYamlRes.left().value() == null || toscaYamlRes.left().value().getRight() == null) {
 345             log.debug("Faild to create toscaYamlChecksum for csar, csar ID {}", csarUUID);
 346             return Either.right(toscaYamlRes.right().value());
 347         }
 348         String newCheckSum = GeneralUtility.calculateMD5Base64EncodedByByteArray(toscaYamlRes.left().value().getRight().getBytes());
 349         return Either.left(newCheckSum);
 350     }
 351
 352     public static boolean isCsarPayloadName(String payloadName) {
 353         return payloadName != null && payloadName.toLowerCase().endsWith(TOSCA_CSAR_EXTENSION);
 354     }
 355 }