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     private static final String TOSCA_METADATA = "TOSCA-Metadata";
  54     private static final String TOSCA_FILE = "TOSCA.meta";
  55     private static final String DEL_PATTERN = "([/\\\\]+)";
  56     private static final String TOSCA_METADATA_PATH_PATTERN = TOSCA_METADATA +
  57         // Artifact Group (i.e Deployment/Informational)
  58         DEL_PATTERN + TOSCA_FILE;
  59     private 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.isPresent()) {
 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         byte[] toscaMetaBytes = csar.get(keyOp.get());
 158         Properties props = new Properties();
 159         try {
 160             String propStr = new String(toscaMetaBytes);
 161             props.load(new StringReader(propStr.replace("\\", "\\\\")));
 162         } catch (IOException e) {
 163             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 164             BeEcompErrorManager.getInstance()
 165                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 166                             CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 167             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 168         }
 169         String yamlFileName = props.getProperty(TOSCA_META_ENTRY_DEFINITIONS);
 170         String[] ops = yamlFileName.split(DEL_PATTERN);
 171         List<String> list = Arrays.asList(ops);
 172         String result = list.stream().map(x -> x).collect(Collectors.joining(DEL_PATTERN));
 173         keyOp = csar.keySet().stream().filter(k -> Pattern.compile(result).matcher(k).matches()).findAny();
 174         if (!keyOp.isPresent()) {
 175             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 176             BeEcompErrorManager.getInstance()
 177                     .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 178                             CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 179             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 180         }
 181         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", yamlFileName, csarUUID);
 182         byte[] yamlFileBytes = csar.get(yamlFileName);
 183         if (yamlFileBytes == null) {
 184             log.debug("Entry-Definitions {} file not found in csar, csar ID {}", yamlFileName, csarUUID);
 185             BeEcompErrorManager.getInstance()
 186                     .logInternalDataError(ENTRY_DEFINITIONS + yamlFileName + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 187                             ErrorSeverity.ERROR);
 188             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, yamlFileName));
 189         }
 190         String yamlFileContents = new String(yamlFileBytes);
 191         return Either.left(new ImmutablePair<>(yamlFileName, yamlFileContents));
 192     }
 193
 194     public static Either<ImmutablePair<String, String>, ResponseFormat> getArtifactsMeta(Map<String, byte[]> csar, String csarUUID,
 195                                                                                          ComponentsUtils componentsUtils) {
 196         if (!csar.containsKey(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE)) {
 197             log.debug(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID, csarUUID);
 198             BeEcompErrorManager.getInstance()
 199                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 200                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 201             return Either.right(componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, ARTIFACTS_METADATA_FILE));
 202         }
 203         log.trace("Found Entry-Definitions property in TOSCA-Metadata/TOSCA.meta, Entry-Definitions: {}, CSAR id: {}", ARTIFACTS_METADATA_FILE,
 204             csarUUID);
 205         byte[] artifactsMetaBytes = csar.get(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE);
 206         if (artifactsMetaBytes == null) {
 207             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, ARTIFACTS_METADATA_FILE, csarUUID);
 208             BeEcompErrorManager.getInstance().logInternalDataError(
 209                 ENTRY_DEFINITIONS + CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID,
 210                 CSAR_STRUCTURE_IS_INVALID, ErrorSeverity.ERROR);
 211             return Either.right(
 212                 componentsUtils.getResponseFormat(ActionStatus.YAML_NOT_FOUND_IN_CSAR, csarUUID, CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE));
 213         }
 214         String artifactsFileContents = new String(artifactsMetaBytes);
 215         return Either.left(new ImmutablePair<>(CsarUtils.ARTIFACTS_PATH + ARTIFACTS_METADATA_FILE, artifactsFileContents));
 216     }
 217
 218     public static Either<ImmutablePair<String, byte[]>, ResponseFormat> getArtifactContent(String csarUUID, Map<String, byte[]> csar,
 219                                                                                            String artifactPath, String artifactName,
 220                                                                                            ComponentsUtils componentsUtils) {
 221         if (!csar.containsKey(artifactPath)) {
 222             log.debug("Entry-Definitions entry not found in Artifacts/HEAT.meta file, csar ID {}", csarUUID);
 223             BeEcompErrorManager.getInstance()
 224                 .logInternalDataError(ENTRY_DEFINITIONS_ENTRY_NOT_FOUND_IN_TOSCA_METADATA_TOSCA_META_FILE_CSAR_ID + csarUUID,
 225                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 226             return Either
 227                 .right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, CsarUtils.ARTIFACTS_PATH + artifactName, csarUUID));
 228         }
 229         log.trace("Found Entry-Definitions property in Artifacts/HEAT.meta, Entry-Definitions: {}, CSAR id: {}", artifactPath, csarUUID);
 230         byte[] artifactFileBytes = csar.get(artifactPath);
 231         if (artifactFileBytes == null) {
 232             log.debug("Entry-Definitions {}{} file not found in csar, csar ID {}", CsarUtils.ARTIFACTS_PATH, artifactName, csarUUID);
 233             BeEcompErrorManager.getInstance()
 234                 .logInternalDataError(ENTRY_DEFINITIONS + artifactPath + FILE_NOT_FOUND_IN_CSAR_WITH_ID + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 235                     ErrorSeverity.ERROR);
 236             return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_FOUND_IN_CSAR, artifactPath, csarUUID));
 237         }
 238         return Either.left(new ImmutablePair<>(artifactName, artifactFileBytes));
 239     }
 240
 241     private static Either<Boolean, ResponseFormat> validateTOSCAMetadataFile(Map<String, byte[]> csar, String csarUUID,
 242                                                                              ComponentsUtils componentsUtils) {
 243         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 244         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 245         if (!keyOp.isPresent()) {
 246             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 247             BeEcompErrorManager.getInstance()
 248                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 249                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 250             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 251         }
 252         byte[] toscaMetaBytes = csar.get(keyOp.get());
 253         String toscaMetadata = new String(toscaMetaBytes);
 254         String[] splited = toscaMetadata.split(NEW_LINE_DELM);
 255         if (splited == null || splited.length < TOSCA_METADATA_FIELDS.length) {
 256             log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 257             BeEcompErrorManager.getInstance()
 258                 .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 259                     CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 260             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 261         }
 262         Either<Boolean, ResponseFormat> blockStatus = validateBlock(csarUUID, splited, componentsUtils);
 263         if (blockStatus.isRight()) {
 264             return Either.right(blockStatus.right().value());
 265         }
 266         return Either.left(true);
 267     }
 268
 269     private static Either<Boolean, ResponseFormat> validateBlock(String csarUUID, String[] splited, ComponentsUtils componentsUtils) {
 270         int index = 0;
 271         for (String toscaField : TOSCA_METADATA_FIELDS) {
 272             Properties props = new Properties();
 273             try {
 274                 props.load(new ByteArrayInputStream(splited[index].getBytes()));
 275             } catch (IOException e) {
 276                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID, e);
 277                 BeEcompErrorManager.getInstance()
 278                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 279                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 280                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 281             }
 282             if (!props.containsKey(toscaField)) {
 283                 log.debug("TOSCA.meta file format is invalid: No new line after block_0 as expected in csar, csar ID {}", csarUUID);
 284                 BeEcompErrorManager.getInstance()
 285                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 286                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 287                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 288             }
 289             String value = props.getProperty(toscaField);
 290             if (value == null || value.isEmpty()) {
 291                 log.debug(TOSCA_METADATA_TOSCA_META_FILE_IS_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_CSAR_ID, csarUUID);
 292                 BeEcompErrorManager.getInstance()
 293                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 294                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 295                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 296             }
 297             // TOSCA-Meta-File-Version & CSAR-Version : digit.digit - format
 298
 299             // validation
 300             if ((toscaField.equals(TOSCA_META_FILE_VERSION) || toscaField.equals(CSAR_VERSION)) && !validateTOSCAMetaProperty(value)) {
 301                 log.debug("TOSCA-Metadata/TOSCA.meta file contains {} in wrong format (digit.digit), csar ID {}", toscaField, csarUUID);
 302                 BeEcompErrorManager.getInstance()
 303                     .logInternalDataError(TOSCA_METADATA_TOSCA_META_FILE_NOT_IN_EXPECTED_KEY_VALUE_FORM_IN_CSAR_WITH_ID + csarUUID,
 304                         CSAR_INTERNALS_ARE_INVALID, ErrorSeverity.ERROR);
 305                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID_FORMAT, csarUUID));
 306             }
 307             index++;
 308         }
 309         return Either.left(true);
 310     }
 311
 312     private static boolean validateTOSCAMetaProperty(String toscaProperty) {
 313         Matcher floatMatcher = floatPattern.matcher(toscaProperty);
 314         return floatMatcher.matches();
 315     }
 316
 317     private static Either<Boolean, ResponseFormat> validateIsTOSCAMetadataExist(Map<String, byte[]> csar, String csarUUID,
 318                                                                                 ComponentsUtils componentsUtils) {
 319         if (csar == null || csar.isEmpty()) {
 320             log.debug("Error when fetching csar with ID {}", csarUUID);
 321             BeEcompErrorManager.getInstance().logBeDaoSystemError("Creating resource from CSAR: fetching CSAR with id " + csarUUID + " failed");
 322             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID);
 323             return Either.right(responseFormat);
 324         }
 325         Pattern pattern = Pattern.compile(TOSCA_METADATA_PATH_PATTERN);
 326         Optional<String> keyOp = csar.keySet().stream().filter(k -> pattern.matcher(k).matches()).findAny();
 327         if (!keyOp.isPresent()) {
 328             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 329             BeEcompErrorManager.getInstance()
 330                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 331                     ErrorSeverity.ERROR);
 332             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 333         }
 334         byte[] toscaMetaBytes = csar.get(keyOp.get());
 335         if (toscaMetaBytes == null || toscaMetaBytes.length == 0) {
 336             log.debug("TOSCA-Metadata/TOSCA.meta file not found in csar, csar ID {}", csarUUID);
 337             BeEcompErrorManager.getInstance()
 338                 .logInternalDataError("TOSCA-Metadata/TOSCA.meta file not found in CSAR with id " + csarUUID, CSAR_STRUCTURE_IS_INVALID,
 339                     ErrorSeverity.ERROR);
 340             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CSAR_INVALID, csarUUID));
 341         }
 342         return Either.left(Boolean.TRUE);
 343     }
 344
 345     public static Either<String, ResponseFormat> getToscaYamlChecksum(Map<String, byte[]> csar, String csarUUID, ComponentsUtils componentsUtils) {
 346         Either<ImmutablePair<String, String>, ResponseFormat> toscaYamlRes = getToscaYaml(csar, csarUUID, componentsUtils, AuditingActionEnum.GET_TOSCA_MODEL);
 347         if (toscaYamlRes.isRight() || toscaYamlRes.left().value() == null || toscaYamlRes.left().value().getRight() == null) {
 348             log.debug("Faild to create toscaYamlChecksum for csar, csar ID {}", csarUUID);
 349             return Either.right(toscaYamlRes.right().value());
 350         }
 351         String newCheckSum = GeneralUtility.calculateMD5Base64EncodedByByteArray(toscaYamlRes.left().value().getRight().getBytes());
 352         return Either.left(newCheckSum);
 353     }
 354
 355     public static boolean isCsarPayloadName(String payloadName) {
 356         return payloadName != null && payloadName.toLowerCase().endsWith(TOSCA_CSAR_EXTENSION);
 357     }
 358 }