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.resources.data.auditing.AuditingActionEnum;
  41 import org.openecomp.sdc.be.tosca.CsarUtils;
  42 import org.openecomp.sdc.common.log.wrappers.Logger;
  43 import org.openecomp.sdc.common.util.GeneralUtility;
  44 import org.openecomp.sdc.exception.ResponseFormat;
  45
  46 public class CsarValidationUtils {
  47
  48     private static final Logger log = Logger.getLogger(CsarValidationUtils.class.getName());
  49     private static final String TOSCA_META_FILE_VERSION = "TOSCA-Meta-File-Version";
  50     private static final String CSAR_VERSION = "CSAR-Version";
  51     private static final String CREATED_BY = "Created-By";
  52     private static final String NEW_LINE_DELM = "\n";
  53     public static final String TOSCA_METADATA = "TOSCA-Metadata";
  54     public static final String TOSCA_FILE = "TOSCA.meta";
  55     public static final String DEL_PATTERN = "([/\\\\]+)";
  56     public static final String TOSCA_METADATA_PATH_PATTERN = TOSCA_METADATA +
  57         // Artifact Group (i.e Deployment/Informational)
  58         DEL_PATTERN + TOSCA_FILE;
  59     public static final String TOSCA_META_ENTRY_DEFINITIONS = "Entry-Definitions";
  60     private static final String[] TOSCA_METADATA_FIELDS = {TOSCA_META_FILE_VERSION, CSAR_VERSION, CREATED_BY, TOSCA_META_ENTRY_DEFINITIONS};
  61     private static final String ARTIFACTS_METADATA_FILE = "HEAT.meta";
  62     private static final String TOSCA_CSAR_EXTENSION = ".csar";
  63     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 {}";
  64     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 ";
  65     private static final String CSAR_INTERNALS_ARE_INVALID = "CSAR internals are invalid";
  66     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 {}";
  67     private static final String FILE_NOT_FOUND_IN_CSAR_WITH_ID = " file not found in CSAR with id ";
  68     private static final String CSAR_STRUCTURE_IS_INVALID = "CSAR structure is invalid";
  69     private static final String ENTRY_DEFINITIONS = "Entry-Definitions ";
  70     private static final Pattern floatPattern = Pattern.compile("^\\d{1}[.]\\d{1}$");
  71
  72     /**
  73      * Utility classes, which are collections of static members, are not meant to be instantiated
  74      */
  75     private CsarValidationUtils() {
  76     }
  77
  78     /**
  79      * Validates Csar
  80      *
  81      * @param csar
  82      * @param csarUUID
  83      * @param componentsUtils
  84      * @return
  85      */
  86     public static Either<Boolean, ResponseFormat> validateCsar(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
  87         Either<Boolean, ResponseFormat> validateStatus = validateIsTOSCAMetadataExist(csar, csarUUID, componentsUtils);
  88         if (validateStatus.isRight()) {
  89             return Either.right(validateStatus.right().value());
  90         }
  91         removeNonUniqueArtifactsFromCsar(csar);
  92         log.trace("TOSCA-Metadata/TOSCA.meta file found, CSAR id {}", csarUUID);
  93         validateStatus = validateTOSCAMetadataFile(csar, csarUUID, componentsUtils);
  94         if (validateStatus.isRight()) {
  95             return Either.right(validateStatus.right().value());
  96         }
  97         return Either.left(true);
  98     }
  99
 100     private static void removeNonUniqueArtifactsFromCsar(Map<String, byte[]> csar) {
 101         List<String> nonUniqueArtifactsToRemove = new ArrayList<>();
 102         String[] paths = csar.keySet().toArray(new String[csar.keySet().size()]);
 103         int numberOfArtifacts = paths.length;
 104         for (int i = 0; i < numberOfArtifacts; ++i) {
 105             collectNonUniqueArtifact(paths, i, numberOfArtifacts, nonUniqueArtifactsToRemove);
 106         }
 107         nonUniqueArtifactsToRemove.stream().forEach(csar::remove);
 108     }
 109
 110     private static void collectNonUniqueArtifact(String[] paths, int currInd, int numberOfArtifacts, List<String> nonUniqueArtifactsToRemove) {
 111         String[] parsedPath = paths[currInd].split("/");
 112         String[] otherParsedPath;
 113         int artifactNameInd = parsedPath.length - 1;
 114         for (int j = currInd + 1; j < numberOfArtifacts; ++j) {
 115             otherParsedPath = paths[j].split("/");
 116             if (parsedPath.length == otherParsedPath.length && parsedPath.length > 3 && isEqualArtifactNames(parsedPath, otherParsedPath)) {
 117                 log.error(
 118                     "Can't upload two artifact with the same name {}. The artifact with path {} will be handled, and the artifact with path {} will be ignored. ",
 119                     parsedPath[artifactNameInd], paths[currInd], paths[j]);
 120                 nonUniqueArtifactsToRemove.add(paths[j]);
 121             }
 122         }
 123     }
 124
 125     private static boolean isEqualArtifactNames(String[] parsedPath, String[] otherParsedPath) {
 126         boolean isEqualArtifactNames = false;
 127         int artifactNameInd = parsedPath.length - 1;
 128         int artifactGroupTypeInd = parsedPath.length - 3;
 129         String groupType = parsedPath[artifactGroupTypeInd];
 130         String artifactName = parsedPath[artifactNameInd];
 131         String otherGroupType = otherParsedPath[artifactGroupTypeInd];
 132         String otherArtifactName = otherParsedPath[artifactNameInd];
 133         String vfcToscaName = parsedPath.length == 5 ? parsedPath[1] : null;
 134         if (artifactName.equalsIgnoreCase(otherArtifactName) && groupType.equalsIgnoreCase(otherGroupType)) {
 135             isEqualArtifactNames = vfcToscaName == null || vfcToscaName.equalsIgnoreCase(otherParsedPath[1]);
 136         }
 137         return isEqualArtifactNames;
 138     }
 139
 140     public static Either<ImmutablePair<String, String>, ResponseFormat> getToscaYaml(Map<String, byte[]> csar, String csarUUID,
 141                                                                                      ComponentsUtils componentsUtils, AuditingActionEnum auditingAction) {
 142         if (!AuditingActionEnum.UPDATE_SERVICE_TOSCA_TEMPLATE.equals(auditingAction)) {
 143             Either<Boolean, ResponseFormat> validateStatus = validateIsTOSCAMetadataExist(csar, csarUUID, componentsUtils);
 144             if (validateStatus.isRight()) {
 145                 return Either.right(validateStatus.right().value());
 146             }
 147         }
 148         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 149         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 150         if (keyOp.isEmpty()) {
 151             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 152             BeEcompErrorManager.getInstance()
 153                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 154                             CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 155             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 156         }
 157         Properties props = new Properties();
 158         try {
 159             props.load(new StringReader(new String(csar.get(keyOp.get())).replace("\\", "\\\\")));
 160         } catch (IOException e) {
 161             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 162             BeEcompErrorManager.getInstance()
 163                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 164                             CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 165             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 166         }
 167         String yamlFileName = props.getProperty(TOSCA_META_ENTRY_DEFINITIONS);
 168         String[] ops = yamlFileName.split(DEL_PATTERN);
 169         List<String> list = Arrays.asList(ops);
 170         String result = list.stream().map(x -> x).collect(Collectors.joining(DEL_PATTERN));
 171         keyOp = csar.keySet().stream().filter(k -> Pattern.compile(result).matcher(k).matches()).findAny();
 172         if (!keyOp.isPresent()) {
 173             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 174             BeEcompErrorManager.getInstance()
 175                     .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 176                             CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 177             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 178         }
 179         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", yamlFileName, csarUUID);
 180         byte[] yamlFileBytes = csar.get(yamlFileName);
 181         if (yamlFileBytes == null) {
 182             log.debug("Entry-Definitions {} file not found in csar, csar ID {}", yamlFileName, csarUUID);
 183             BeEcompErrorManager.getInstance()
 184                     .logInternalDataError(ENTRY_DEFINITIONS + yamlFileName + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 185                             ErrorSeverity.ERROR);
 186             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 187         }
 188         String yamlFileContents = new String(yamlFileBytes);
 189         return Either.left(new ImmutablePair<>(yamlFileName, yamlFileContents));
 190     }
 191
 192     public static Either<ImmutablePair<String, String>, ResponseFormat> getArtifactsMeta(Map<String, byte[]> csar, String csarUUID,
 193                                                                                          ComponentsUtils componentsUtils) {
 194         if (!csar.containsKey(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE)) {
 195             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 196             BeEcompErrorManager.getInstance()
 197                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 198                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 199             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, ARTIFACTS_METADATA_FILE));
 200         }
 201         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", ARTIFACTS_METADATA_FILE,
 202             csarUUID);
 203         byte[] artifactsMetaBytes = csar.get(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE);
 204         if (artifactsMetaBytes == null) {
 205             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, ARTIFACTS_METADATA_FILE, csarUUID);
 206             BeEcompErrorManager.getInstance().logInternalDataError(
 207                 ENTRY_DEFINITIONS + CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID,
 208                 CSAR_STRUCTURE_IS_INVALID, ErrorSeverity.ERROR);
 209             return Either.right(
 210                 componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE));
 211         }
 212         String artifactsFileContents = new String(artifactsMetaBytes);
 213         return Either.left(new ImmutablePair<>(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE, artifactsFileContents));
 214     }
 215
 216     public static Either<ImmutablePair<String, byte[]>, ResponseFormat> getArtifactContent(String csarUUID, Map<String, byte[]> csar,
 217                                                                                            String artifactPath, String artifactName,
 218                                                                                            ComponentsUtils componentsUtils) {
 219         if (!csar.containsKey(artifactPath)) {
 220             log.debug("Entry-Definitions entry not found in Artifacts/HEAT.meta file, csar ID {}", csarUUID);
 221             BeEcompErrorManager.getInstance()
 222                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 223                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 224             return Either
 225                 .right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, CsarUtils.ARTIFACTS_PATH + artifactName, csarUUID));
 226         }
 227         log.trace("Found Entry-Definitions property in Artifacts/HEAT.meta, Entry-Definitions: {}, CSAR id: {}", artifactPath, csarUUID);
 228         byte[] artifactFileBytes = csar.get(artifactPath);
 229         if (artifactFileBytes == null) {
 230             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, artifactName, csarUUID);
 231             BeEcompErrorManager.getInstance()
 232                 .logInternalDataError(ENTRY_DEFINITIONS + artifactPath + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 233                     ErrorSeverity.ERROR);
 234             return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, artifactPath, csarUUID));
 235         }
 236         return Either.left(new ImmutablePair<>(artifactName, artifactFileBytes));
 237     }
 238
 239     private static Either<Boolean, ResponseFormat> validateTOSCAMetadataFile(Map<String, byte[]> csar, String csarUUID,
 240                                                                              ComponentsUtils componentsUtils) {
 241         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 242         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 243         if (!keyOp.isPresent()) {
 244             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 245             BeEcompErrorManager.getInstance()
 246                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 247                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 248             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 249         }
 250         byte[] toscaMetaBytes = csar.get(keyOp.get());
 251         String toscaMetadata = new String(toscaMetaBytes);
 252         String[] splited = toscaMetadata.split(NEW_LINE_DELM);
 253         if (splited == null || splited.length < TOSCA_METADATA_FIELDS.length) {
 254             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 255             BeEcompErrorManager.getInstance()
 256                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 257                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 258             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 259         }
 260         Either<Boolean, ResponseFormat> blockStatus = validateBlock(csarUUID, splited, componentsUtils);
 261         if (blockStatus.isRight()) {
 262             return Either.right(blockStatus.right().value());
 263         }
 264         return Either.left(true);
 265     }
 266
 267     private static Either<Boolean, ResponseFormat> validateBlock(String csarUUID, String[] splited, ComponentsUtils componentsUtils) {
 268         int index = 0;
 269         for (String toscaField : TOSCA_METADATA_FIELDS) {
 270             Properties props = new Properties();
 271             try {
 272                 props.load(new ByteArrayInputStream(splited[index].getBytes()));
 273             } catch (IOException e) {
 274                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 275                 BeEcompErrorManager.getInstance()
 276                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 277                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 278                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 279             }
 280             if (!props.containsKey(toscaField)) {
 281                 log.debug("TOSCA.meta file format is invalid: No new line after block_0 as expected in csar, csar ID {}", csarUUID);
 282                 BeEcompErrorManager.getInstance()
 283                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 284                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 285                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 286             }
 287             String value = props.getProperty(toscaField);
 288             if (value == null || value.isEmpty()) {
 289                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 290                 BeEcompErrorManager.getInstance()
 291                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 292                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 293                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 294             }
 295             // TOSCA-Meta-File-Version & CSAR-Version : digit.digit - format
 296
 297             // validation
 298             if ((toscaField.equals(TOSCA_META_FILE_VERSION) || toscaField.equals(CSAR_VERSION)) && !validateTOSCAMetaProperty(value)) {
 299                 log.debug("TOSCA-Metadata/TOSCA.meta file contains {} in wrong format (digit.digit), csar ID {}", toscaField, csarUUID);
 300                 BeEcompErrorManager.getInstance()
 301                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 302                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 303                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 304             }
 305             index++;
 306         }
 307         return Either.left(true);
 308     }
 309
 310     private static boolean validateTOSCAMetaProperty(String toscaProperty) {
 311         Matcher floatMatcher = floatPattern.matcher(toscaProperty);
 312         return floatMatcher.matches();
 313     }
 314
 315     private static Either<Boolean, ResponseFormat> validateIsTOSCAMetadataExist(Map<String, byte[]> csar, String csarUUID,
 316                                                                                 ComponentsUtils componentsUtils) {
 317         if (csar == null || csar.isEmpty()) {
 318             log.debug("Error when fetching csar with ID {}", csarUUID);
 319             BeEcompErrorManager.getInstance().logBeDaoSystemError("Creating resource from CSAR: fetching CSAR with id " + csarUUID + " failed");
 320             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID);
 321             return Either.right(responseFormat);
 322         }
 323         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 324         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 325         if (!keyOp.isPresent()) {
 326             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 327             BeEcompErrorManager.getInstance()
 328                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 329                     ErrorSeverity.ERROR);
 330             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 331         }
 332         byte[] toscaMetaBytes = csar.get(keyOp.get());
 333         if (toscaMetaBytes == null || toscaMetaBytes.length == 0) {
 334             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 335             BeEcompErrorManager.getInstance()
 336                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 337                     ErrorSeverity.ERROR);
 338             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 339         }
 340         return Either.left(Boolean.TRUE);
 341     }
 342
 343     public static Either<String, ResponseFormat> getToscaYamlChecksum(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
 344         Either<ImmutablePair<String, String>, ResponseFormat> toscaYamlRes = getToscaYaml(csar, csarUUID, componentsUtils, AuditingActionEnum.GET_TOSCA_MODEL);
 345         if (toscaYamlRes.isRight() || toscaYamlRes.left().value() == null || toscaYamlRes.left().value().getRight() == null) {
 346             log.debug("Faild to create toscaYamlChecksum for csar, csar ID {}", csarUUID);
 347             return Either.right(toscaYamlRes.right().value());
 348         }
 349         String newCheckSum = GeneralUtility.calculateMD5Base64EncodedByByteArray(toscaYamlRes.left().value().getRight().getBytes());
 350         return Either.left(newCheckSum);
 351     }
 352
 353     public static boolean isCsarPayloadName(String payloadName) {
 354         return payloadName != null && payloadName.toLowerCase().endsWith(TOSCA_CSAR_EXTENSION);
 355     }
 356 }