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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.vendorsoftwareproduct.impl.onboarding;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_EMPTY_ERROR;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_INVALID_ERROR;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_INVALID_EXTENSION;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_MISSING_INTERNAL_PACKAGE;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_PROCESS_ERROR;
import static org.openecomp.sdc.common.errors.Messages.PACKAGE_PROCESS_INTERNAL_PACKAGE_ERROR;
import com.google.common.collect.ImmutableSet;
import java.nio.ByteBuffer;
import java.util.HashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.MapUtils;
import org.apache.commons.io.FilenameUtils;
import org.openecomp.core.utilities.file.FileContentHandler;
import org.openecomp.core.utilities.orchestration.OnboardingTypesEnum;
import org.openecomp.sdc.common.zip.exception.ZipException;
import org.openecomp.sdc.common.utils.CommonUtil;
import org.openecomp.sdc.datatypes.error.ErrorLevel;
import org.openecomp.sdc.datatypes.error.ErrorMessage;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.exception.OnboardPackageException;
import org.openecomp.sdc.vendorsoftwareproduct.types.OnboardPackage;
import org.openecomp.sdc.vendorsoftwareproduct.types.OnboardPackageInfo;
import org.openecomp.sdc.vendorsoftwareproduct.types.OnboardSignedPackage;
public class OnboardingPackageProcessor {
private static final Logger LOGGER = LoggerFactory.getLogger(OnboardingPackageProcessor.class);
private static final Set<String> ALLOWED_SIGNATURE_EXTENSIONS = ImmutableSet.of("cms");
private static final Set<String> ALLOWED_CERTIFICATE_EXTENSIONS = ImmutableSet.of("cert", "crt");
private static final String CSAR_EXTENSION = "csar";
private static final String ZIP_EXTENSION = "zip";
private final String packageFileName;
private final byte[] packageFileContent;
private FileContentHandler onboardPackageContentHandler;
private Set<ErrorMessage> errorMessageSet = new HashSet<>();
private OnboardPackageInfo onboardPackageInfo;
public OnboardingPackageProcessor(final String packageFileName, final byte[] packageFileContent) {
this.packageFileName = packageFileName;
this.packageFileContent = packageFileContent;
onboardPackageInfo = processPackage();
}
private OnboardPackageInfo processPackage() {
if (!hasValidExtension()) {
final String message = PACKAGE_INVALID_EXTENSION.formatMessage(packageFileName, String.join(", ", CSAR_EXTENSION, ZIP_EXTENSION));
reportError(ErrorLevel.ERROR, message);
return null;
}
try {
onboardPackageContentHandler = CommonUtil.getZipContent(packageFileContent);
} catch (final ZipException e) {
final String message = PACKAGE_PROCESS_ERROR.formatMessage(packageFileName);
LOGGER.error(message, e);
reportError(ErrorLevel.ERROR, message);
return null;
}
if (isPackageEmpty()) {
final String message = PACKAGE_EMPTY_ERROR.formatMessage(packageFileName);
reportError(ErrorLevel.ERROR, message);
return null;
}
final String packageName = FilenameUtils.getBaseName(packageFileName);
final String packageExtension = FilenameUtils.getExtension(packageFileName);
if (hasSignedPackageStructure()) {
return processSignedPackage(packageName, packageExtension);
} else {
final OnboardPackage onboardPackage = new OnboardPackage(packageName, packageExtension,
ByteBuffer.wrap(packageFileContent), onboardPackageContentHandler);
if (packageExtension.equalsIgnoreCase(CSAR_EXTENSION)) {
return new OnboardPackageInfo(onboardPackage, OnboardingTypesEnum.CSAR);
} else if (packageExtension.equalsIgnoreCase(ZIP_EXTENSION)) {
return new OnboardPackageInfo(onboardPackage, OnboardingTypesEnum.ZIP);
}
}
reportError(ErrorLevel.ERROR, PACKAGE_INVALID_ERROR.formatMessage(packageFileName));
return null;
}
private boolean hasValidExtension() {
final String packageExtension = FilenameUtils.getExtension(packageFileName);
return packageExtension.equalsIgnoreCase(CSAR_EXTENSION) || packageExtension.equalsIgnoreCase(ZIP_EXTENSION);
}
private OnboardPackageInfo processSignedPackage(final String packageName, final String packageExtension) {
final String internalPackagePath = findInternalPackagePath().orElse(null);
if (internalPackagePath == null) {
reportError(ErrorLevel.ERROR, PACKAGE_MISSING_INTERNAL_PACKAGE.getErrorMessage());
return null;
}
final String signatureFilePath = findSignatureFilePath().orElse(null);
final String certificateFilePath = findCertificateFilePath().orElse(null);
final OnboardSignedPackage onboardSignedPackage =
new OnboardSignedPackage(packageName, packageExtension, ByteBuffer.wrap(packageFileContent),
onboardPackageContentHandler, signatureFilePath, internalPackagePath, certificateFilePath);
final String internalPackageName = FilenameUtils.getName(internalPackagePath);
final String internalPackageBaseName = FilenameUtils.getBaseName(internalPackagePath);
final String internalPackageExtension = FilenameUtils.getExtension(internalPackagePath);
final byte[] internalPackageContent = onboardPackageContentHandler.getFileContent(internalPackagePath);
final OnboardPackage onboardPackage;
try {
onboardPackage = new OnboardPackage(internalPackageBaseName, internalPackageExtension,
internalPackageContent);
} catch (final OnboardPackageException e) {
final String message = PACKAGE_PROCESS_INTERNAL_PACKAGE_ERROR.formatMessage(internalPackageName);
LOGGER.error(message, e);
reportError(ErrorLevel.ERROR, message);
return null;
}
return new OnboardPackageInfo(onboardSignedPackage, onboardPackage, OnboardingTypesEnum.SIGNED_CSAR);
}
private void reportError(final ErrorLevel errorLevel, final String message) {
errorMessageSet.add(new ErrorMessage(errorLevel, message));
}
public boolean hasErrors() {
return !errorMessageSet.isEmpty();
}
public Set<ErrorMessage> getErrorMessageSet() {
return errorMessageSet;
}
private Optional<String> findInternalPackagePath() {
return onboardPackageContentHandler.getFileList().stream()
.filter(filePath -> {
final String extension = FilenameUtils.getExtension(filePath);
return CSAR_EXTENSION.equalsIgnoreCase(extension) || ZIP_EXTENSION.equalsIgnoreCase(extension);
}
)
.findFirst();
}
private boolean isPackageEmpty() {
return MapUtils.isEmpty(onboardPackageContentHandler.getFiles());
}
private boolean hasSignedPackageStructure() {
if (MapUtils.isEmpty(onboardPackageContentHandler.getFiles()) || !CollectionUtils.isEmpty(
onboardPackageContentHandler.getFolderList())) {
return false;
}
final int numberOfFiles = onboardPackageContentHandler.getFileList().size();
if (numberOfFiles == 2) {
return hasOneInternalPackageFile(onboardPackageContentHandler) &&
hasOneSignatureFile(onboardPackageContentHandler);
}
if (numberOfFiles == 3) {
return hasOneInternalPackageFile(onboardPackageContentHandler) &&
hasOneSignatureFile(onboardPackageContentHandler) &&
hasOneCertificateFile(onboardPackageContentHandler);
}
return false;
}
private boolean hasOneInternalPackageFile(final FileContentHandler fileContentHandler) {
return fileContentHandler.getFileList().parallelStream()
.map(FilenameUtils::getExtension)
.map(String::toLowerCase)
.filter(file -> file.endsWith(CSAR_EXTENSION)).count() == 1;
}
private boolean hasOneSignatureFile(final FileContentHandler fileContentHandler) {
return fileContentHandler.getFileList().parallelStream()
.map(FilenameUtils::getExtension)
.map(String::toLowerCase)
.filter(ALLOWED_SIGNATURE_EXTENSIONS::contains).count() == 1;
}
private boolean hasOneCertificateFile(final FileContentHandler fileContentHandler) {
return fileContentHandler.getFileList().parallelStream()
.map(FilenameUtils::getExtension)
.map(String::toLowerCase)
.filter(ALLOWED_CERTIFICATE_EXTENSIONS::contains).count() == 1;
}
private Optional<String> findSignatureFilePath() {
final Map<String, byte[]> files = onboardPackageContentHandler.getFiles();
return files.keySet().stream()
.filter(fileName -> ALLOWED_SIGNATURE_EXTENSIONS.contains(FilenameUtils.getExtension(fileName).toLowerCase()))
.findFirst();
}
private Optional<String> findCertificateFilePath() {
final Map<String, byte[]> files = onboardPackageContentHandler.getFiles();
return files.keySet().stream()
.filter(fileName -> ALLOWED_CERTIFICATE_EXTENSIONS.contains(FilenameUtils.getExtension(fileName).toLowerCase()))
.findFirst();
}
public Optional<OnboardPackageInfo> getOnboardPackageInfo() {
return Optional.ofNullable(onboardPackageInfo);
}
}
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