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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.athenz.identityprovider.api;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.yahoo.vespa.athenz.api.AthenzIdentity;
import com.yahoo.vespa.athenz.api.AthenzService;
import com.yahoo.vespa.athenz.identityprovider.api.bindings.DefaultSignedIdentityDocumentEntity;
import com.yahoo.vespa.athenz.identityprovider.api.bindings.IdentityDocumentEntity;
import com.yahoo.vespa.athenz.identityprovider.api.bindings.LegacySignedIdentityDocumentEntity;
import com.yahoo.vespa.athenz.identityprovider.api.bindings.SignedIdentityDocumentEntity;
import com.yahoo.vespa.athenz.utils.AthenzIdentities;
import com.yahoo.yolean.Exceptions;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.Base64;
import java.util.Optional;
import static com.yahoo.vespa.athenz.identityprovider.api.VespaUniqueInstanceId.fromDottedString;
/**
* Utility class for mapping objects model types and their Jackson binding versions.
*
* @author bjorncs
* @author mortent
*/
public class EntityBindingsMapper {
static final ObjectMapper mapper = new ObjectMapper().registerModule(new JavaTimeModule());
private EntityBindingsMapper() {}
public static String toAttestationData(SignedIdentityDocument model) {
try {
return mapper.writeValueAsString(toSignedIdentityDocumentEntity(model));
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
public static SignedIdentityDocument fromInputStream(InputStream in) throws IOException {
return EntityBindingsMapper.toSignedIdentityDocument(mapper.readValue(in, SignedIdentityDocumentEntity.class));
}
public static SignedIdentityDocument fromString(String json) throws IOException {
return EntityBindingsMapper.toSignedIdentityDocument(mapper.readValue(json, SignedIdentityDocumentEntity.class));
}
public static SignedIdentityDocument toSignedIdentityDocument(SignedIdentityDocumentEntity entity) {
if (entity instanceof LegacySignedIdentityDocumentEntity docEntity) {
IdentityDocument doc = new IdentityDocument(
fromDottedString(docEntity.providerUniqueId()),
new AthenzService(docEntity.providerService()),
docEntity.configServerHostname(),
docEntity.instanceHostname(),
docEntity.createdAt(),
docEntity.ipAddresses(),
IdentityType.fromId(docEntity.identityType()),
Optional.ofNullable(docEntity.clusterType()).map(ClusterType::from).orElse(null),
docEntity.ztsUrl(),
Optional.ofNullable(docEntity.serviceIdentity()).map(AthenzIdentities::from).orElse(null),
docEntity.unknownAttributes());
return new LegacySignedIdentityDocument(
docEntity.signature(),
docEntity.signingKeyVersion(),
entity.documentVersion(),
doc);
} else if (entity instanceof DefaultSignedIdentityDocumentEntity docEntity) {
return new DefaultSignedIdentityDocument(docEntity.signature(),
docEntity.signingKeyVersion(),
docEntity.documentVersion(),
docEntity.data());
} else {
throw new IllegalArgumentException("Unknown signed identity document type: " + entity.getClass().getName());
}
}
public static SignedIdentityDocumentEntity toSignedIdentityDocumentEntity(SignedIdentityDocument model) {
if (model instanceof LegacySignedIdentityDocument legacyModel) {
IdentityDocument idDoc = legacyModel.identityDocument();
return new LegacySignedIdentityDocumentEntity(
legacyModel.signature(),
legacyModel.signingKeyVersion(),
idDoc.providerUniqueId().asDottedString(),
idDoc.providerService().getFullName(),
legacyModel.documentVersion(),
idDoc.configServerHostname(),
idDoc.instanceHostname(),
idDoc.createdAt(),
idDoc.ipAddresses(),
idDoc.identityType().id(),
Optional.ofNullable(idDoc.clusterType()).map(ClusterType::toConfigValue).orElse(null),
idDoc.ztsUrl(),
Optional.ofNullable(idDoc.serviceIdentity()).map(AthenzIdentity::getFullName).orElse(null),
idDoc.unknownAttributes());
} else if (model instanceof DefaultSignedIdentityDocument defaultModel){
return new DefaultSignedIdentityDocumentEntity(defaultModel.signature(),
defaultModel.signingKeyVersion(),
defaultModel.documentVersion(),
defaultModel.data());
} else {
throw new IllegalArgumentException("Unsupported model type: " + model.getClass().getName());
}
}
public static SignedIdentityDocument readSignedIdentityDocumentFromFile(Path file) {
try (InputStream inputStream = Files.newInputStream(file)) {
return fromInputStream(inputStream);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public static void writeSignedIdentityDocumentToFile(Path file, SignedIdentityDocument document) {
try {
SignedIdentityDocumentEntity entity = EntityBindingsMapper.toSignedIdentityDocumentEntity(document);
Path tempFile = file.resolveSibling(file.getFileName() + ".tmp");
try (OutputStream outputStream = Files.newOutputStream(tempFile)) {
mapper.writeValue(outputStream, entity);
}
Files.move(tempFile, file, StandardCopyOption.ATOMIC_MOVE);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public static IdentityDocument fromIdentityDocumentData(String data) {
byte[] decoded = Base64.getDecoder().decode(data);
IdentityDocumentEntity docEntity = Exceptions.uncheck(() -> mapper.readValue(decoded, IdentityDocumentEntity.class));
return new IdentityDocument(
fromDottedString(docEntity.providerUniqueId()),
new AthenzService(docEntity.providerService()),
docEntity.configServerHostname(),
docEntity.instanceHostname(),
docEntity.createdAt(),
docEntity.ipAddresses(),
IdentityType.fromId(docEntity.identityType()),
Optional.ofNullable(docEntity.clusterType()).map(ClusterType::from).orElse(null),
docEntity.ztsUrl(),
Optional.ofNullable(docEntity.serviceIdentity()).map(AthenzIdentities::from).orElse(null),
docEntity.unknownAttributes());
}
public static String toIdentityDocumentData(IdentityDocument identityDocument) {
IdentityDocumentEntity documentEntity = new IdentityDocumentEntity(
identityDocument.providerUniqueId().asDottedString(),
identityDocument.providerService().getFullName(),
identityDocument.configServerHostname(),
identityDocument.instanceHostname(),
identityDocument.createdAt(),
identityDocument.ipAddresses(),
identityDocument.identityType().id(),
Optional.ofNullable(identityDocument.clusterType()).map(ClusterType::toConfigValue).orElse(null),
identityDocument.ztsUrl().toString(),
identityDocument.serviceIdentity().getFullName());
try {
byte[] bytes = mapper.writeValueAsBytes(documentEntity);
return Base64.getEncoder().encodeToString(bytes);
} catch (JsonProcessingException e) {
throw new RuntimeException("Error during serialization of identity document.", e);
}
}
}
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