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net.snowflake.client.jdbc.cloud.storage.SnowflakeS3Client Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2019 Snowflake Computing Inc. All rights reserved.
*/
package net.snowflake.client.jdbc.cloud.storage;
import static net.snowflake.client.core.Constants.CLOUD_STORAGE_CREDENTIALS_EXPIRED;
import static net.snowflake.client.jdbc.SnowflakeUtil.systemGetProperty;
import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.BasicSessionCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.client.builder.ExecutorFactory;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.RegionUtils;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Builder;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.AmazonS3EncryptionClient;
import com.amazonaws.services.s3.model.*;
import com.amazonaws.services.s3.transfer.Download;
import com.amazonaws.services.s3.transfer.TransferManager;
import com.amazonaws.services.s3.transfer.TransferManagerBuilder;
import com.amazonaws.services.s3.transfer.Upload;
import com.amazonaws.util.Base64;
import java.io.*;
import java.net.SocketTimeoutException;
import java.security.InvalidKeyException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import net.snowflake.client.core.HttpUtil;
import net.snowflake.client.core.SFBaseSession;
import net.snowflake.client.core.SFSSLConnectionSocketFactory;
import net.snowflake.client.core.SFSession;
import net.snowflake.client.jdbc.*;
import net.snowflake.client.log.SFLogger;
import net.snowflake.client.log.SFLoggerFactory;
import net.snowflake.client.util.SFPair;
import net.snowflake.common.core.RemoteStoreFileEncryptionMaterial;
import net.snowflake.common.core.SqlState;
import org.apache.commons.io.IOUtils;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLInitializationException;
/**
* Wrapper around AmazonS3Client.
*
* @author ffunke
*/
public class SnowflakeS3Client implements SnowflakeStorageClient {
private static final SFLogger logger = SFLoggerFactory.getLogger(SnowflakeS3Client.class);
private static final String localFileSep = systemGetProperty("file.separator");
private static final String AES = "AES";
private static final String AMZ_KEY = "x-amz-key";
private static final String AMZ_IV = "x-amz-iv";
// expired AWS token error code
private static final String EXPIRED_AWS_TOKEN_ERROR_CODE = "ExpiredToken";
private int encryptionKeySize = 0; // used for PUTs
private AmazonS3 amazonClient = null;
private RemoteStoreFileEncryptionMaterial encMat = null;
private ClientConfiguration clientConfig = null;
private Properties proxyProperties = null;
private String stageRegion = null;
private String stageEndPoint = null; // FIPS endpoint, if needed
private SFBaseSession session = null;
private boolean isClientSideEncrypted = true;
private boolean isUseS3RegionalUrl = false;
// socket factory used by s3 client's http client.
private static SSLConnectionSocketFactory s3ConnectionSocketFactory = null;
public SnowflakeS3Client(
Map stageCredentials,
ClientConfiguration clientConfig,
RemoteStoreFileEncryptionMaterial encMat,
Properties proxyProperties,
String stageRegion,
String stageEndPoint,
boolean isClientSideEncrypted,
SFBaseSession session,
boolean useS3RegionalUrl)
throws SnowflakeSQLException {
this.session = session;
this.isUseS3RegionalUrl = useS3RegionalUrl;
setupSnowflakeS3Client(
stageCredentials,
clientConfig,
encMat,
proxyProperties,
stageRegion,
stageEndPoint,
isClientSideEncrypted,
session);
}
private void setupSnowflakeS3Client(
Map stageCredentials,
ClientConfiguration clientConfig,
RemoteStoreFileEncryptionMaterial encMat,
Properties proxyProperties,
String stageRegion,
String stageEndPoint,
boolean isClientSideEncrypted,
SFBaseSession session)
throws SnowflakeSQLException {
// Save the client creation parameters so that we can reuse them,
// to reset the AWS client. We won't save the awsCredentials since
// we will be refreshing that, every time we reset the AWS client
this.clientConfig = clientConfig;
this.stageRegion = stageRegion;
this.encMat = encMat;
this.proxyProperties = proxyProperties;
this.stageEndPoint = stageEndPoint; // FIPS endpoint, if needed
this.session = session;
this.isClientSideEncrypted = isClientSideEncrypted;
logger.debug("Setting up AWS client ");
// Retrieve S3 stage credentials
String awsID = (String) stageCredentials.get("AWS_KEY_ID");
String awsKey = (String) stageCredentials.get("AWS_SECRET_KEY");
String awsToken = (String) stageCredentials.get("AWS_TOKEN");
// initialize aws credentials
AWSCredentials awsCredentials =
(awsToken != null)
? new BasicSessionCredentials(awsID, awsKey, awsToken)
: new BasicAWSCredentials(awsID, awsKey);
clientConfig.withSignerOverride("AWSS3V4SignerType");
clientConfig.getApacheHttpClientConfig().setSslSocketFactory(getSSLConnectionSocketFactory());
if (session != null) {
HttpUtil.setProxyForS3(session.getHttpClientKey(), clientConfig);
} else {
HttpUtil.setSessionlessProxyForS3(proxyProperties, clientConfig);
}
AmazonS3Builder amazonS3Builder = AmazonS3Client.builder();
if (encMat != null) {
byte[] decodedKey = Base64.decode(encMat.getQueryStageMasterKey());
encryptionKeySize = decodedKey.length * 8;
if (encryptionKeySize == 256) {
SecretKey queryStageMasterKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, AES);
EncryptionMaterials encryptionMaterials = new EncryptionMaterials(queryStageMasterKey);
encryptionMaterials.addDescription("queryId", encMat.getQueryId());
encryptionMaterials.addDescription("smkId", Long.toString(encMat.getSmkId()));
CryptoConfiguration cryptoConfig = new CryptoConfiguration(CryptoMode.EncryptionOnly);
amazonS3Builder =
AmazonS3EncryptionClient.encryptionBuilder()
.withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
.withEncryptionMaterials(new StaticEncryptionMaterialsProvider(encryptionMaterials))
.withClientConfiguration(clientConfig)
.withCryptoConfiguration(cryptoConfig);
} else if (encryptionKeySize == 128) {
amazonS3Builder =
AmazonS3Client.builder()
.withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
.withClientConfiguration(clientConfig);
} else {
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"unsupported key size",
encryptionKeySize);
}
} else {
amazonS3Builder =
AmazonS3Client.builder()
.withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
.withClientConfiguration(clientConfig);
}
if (stageRegion != null) {
Region region = RegionUtils.getRegion(stageRegion);
if (region != null) {
if (this.isUseS3RegionalUrl) {
amazonS3Builder.withEndpointConfiguration(
new AwsClientBuilder.EndpointConfiguration(
"s3." + region.getName() + ".amazonaws.com", region.getName()));
} else {
amazonS3Builder.withRegion(region.getName());
}
}
}
// Explicitly force to use virtual address style
amazonS3Builder.withPathStyleAccessEnabled(false);
amazonClient = (AmazonS3) amazonS3Builder.build();
if (this.stageEndPoint != null && this.stageEndPoint != "") {
// Set the FIPS endpoint if we need it. GS will tell us if we do by
// giving us an endpoint to use if required and supported by the region.
amazonClient.setEndpoint(this.stageEndPoint);
}
}
// Returns the Max number of retry attempts
@Override
public int getMaxRetries() {
return 25;
}
// Returns the max exponent for multiplying backoff with the power of 2, the value
// of 4 will give us 16secs as the max number of time to sleep before retry
@Override
public int getRetryBackoffMaxExponent() {
return 4;
}
// Returns the min number of milliseconds to sleep before retry
@Override
public int getRetryBackoffMin() {
return 1000;
}
@Override
public boolean isEncrypting() {
return encryptionKeySize > 0 && isClientSideEncrypted;
}
@Override
public int getEncryptionKeySize() {
return encryptionKeySize;
}
/**
* Renew the S3 client with fresh AWS credentials/access token
*
* @param stageCredentials a Map of new AWS credential properties, to refresh the client with (as
* returned by GS)
* @throws SnowflakeSQLException if any error occurs
*/
@Override
public void renew(Map stageCredentials) throws SnowflakeSQLException {
// We renew the client with fresh credentials and with its original parameters
setupSnowflakeS3Client(
stageCredentials,
this.clientConfig,
this.encMat,
this.proxyProperties,
this.stageRegion,
this.stageEndPoint,
this.isClientSideEncrypted,
this.session);
}
@Override
public void shutdown() {
amazonClient.shutdown();
}
@Override
public StorageObjectSummaryCollection listObjects(String remoteStorageLocation, String prefix)
throws StorageProviderException {
ObjectListing objListing = amazonClient.listObjects(remoteStorageLocation, prefix);
return new StorageObjectSummaryCollection(objListing.getObjectSummaries());
}
@Override
public StorageObjectMetadata getObjectMetadata(String remoteStorageLocation, String prefix)
throws StorageProviderException {
return new S3ObjectMetadata(amazonClient.getObjectMetadata(remoteStorageLocation, prefix));
}
/**
* Download a file from S3.
*
* @param session session object
* @param command command to download file
* @param localLocation local file path
* @param destFileName destination file name
* @param parallelism number of threads for parallel downloading
* @param remoteStorageLocation s3 bucket name
* @param stageFilePath stage file path
* @param stageRegion region name where the stage persists
* @param presignedUrl Not used in S3
* @throws SnowflakeSQLException if download failed without an exception
* @throws SnowflakeSQLException if failed to decrypt downloaded file
* @throws SnowflakeSQLException if file metadata is incomplete
*/
@Override
public void download(
SFSession session,
String command,
String localLocation,
String destFileName,
int parallelism,
String remoteStorageLocation,
String stageFilePath,
String stageRegion,
String presignedUrl)
throws SnowflakeSQLException {
TransferManager tx = null;
int retryCount = 0;
do {
try {
File localFile = new File(localLocation + localFileSep + destFileName);
logger.debug(
"Creating executor service for transfer" + "manager with {} threads", parallelism);
// download files from s3
tx =
TransferManagerBuilder.standard()
.withS3Client(amazonClient)
.withExecutorFactory(
new ExecutorFactory() {
@Override
public ExecutorService newExecutor() {
return SnowflakeUtil.createDefaultExecutorService(
"s3-transfer-manager-downloader-", parallelism);
}
})
.build();
Download myDownload = tx.download(remoteStorageLocation, stageFilePath, localFile);
// Pull object metadata from S3
ObjectMetadata meta = amazonClient.getObjectMetadata(remoteStorageLocation, stageFilePath);
Map metaMap = meta.getUserMetadata();
String key = metaMap.get(AMZ_KEY);
String iv = metaMap.get(AMZ_IV);
myDownload.waitForCompletion();
if (this.isEncrypting() && this.getEncryptionKeySize() < 256) {
if (key == null || iv == null) {
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"File metadata incomplete");
}
// Decrypt file
try {
EncryptionProvider.decrypt(localFile, key, iv, this.encMat);
} catch (Exception ex) {
logger.error("Error decrypting file", ex);
throw ex;
}
}
return;
} catch (Exception ex) {
handleS3Exception(ex, ++retryCount, "download", session, command, this);
} finally {
if (tx != null) {
tx.shutdownNow(false);
}
}
} while (retryCount <= getMaxRetries());
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"Unexpected: download unsuccessful without exception!");
}
/**
* Download a file from remote storage
*
* @param session session object
* @param command command to download file
* @param parallelism number of threads for parallel downloading
* @param remoteStorageLocation remote storage location, i.e. bucket for s3
* @param stageFilePath stage file path
* @param stageRegion region name where the stage persists
* @param presignedUrl Not used in S3
* @return input file stream
* @throws SnowflakeSQLException when download failure
*/
@Override
public InputStream downloadToStream(
SFSession session,
String command,
int parallelism,
String remoteStorageLocation,
String stageFilePath,
String stageRegion,
String presignedUrl)
throws SnowflakeSQLException {
int retryCount = 0;
do {
try {
S3Object file = amazonClient.getObject(remoteStorageLocation, stageFilePath);
ObjectMetadata meta = amazonClient.getObjectMetadata(remoteStorageLocation, stageFilePath);
InputStream stream = file.getObjectContent();
Map metaMap = meta.getUserMetadata();
String key = metaMap.get(AMZ_KEY);
String iv = metaMap.get(AMZ_IV);
if (this.isEncrypting() && this.getEncryptionKeySize() < 256) {
if (key == null || iv == null) {
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"File metadata incomplete");
}
try {
return EncryptionProvider.decryptStream(stream, key, iv, encMat);
} catch (Exception ex) {
logger.error("Error in decrypting file", ex);
throw ex;
}
} else {
return stream;
}
} catch (Exception ex) {
handleS3Exception(ex, ++retryCount, "download", session, command, this);
}
} while (retryCount <= getMaxRetries());
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"Unexpected: download unsuccessful without exception!");
}
/**
* Upload a file (-stream) to S3.
*
* @param session session object
* @param command upload command
* @param parallelism number of threads do parallel uploading
* @param uploadFromStream true if upload source is stream
* @param remoteStorageLocation s3 bucket name
* @param srcFile source file if not uploading from a stream
* @param destFileName file name on s3 after upload
* @param inputStream stream used for uploading if fileBackedOutputStream is null
* @param fileBackedOutputStream stream used for uploading if not null
* @param meta object meta data
* @param stageRegion region name where the stage persists
* @param presignedUrl Not used in S3
* @throws SnowflakeSQLException if upload failed even after retry
*/
@Override
public void upload(
SFSession session,
String command,
int parallelism,
boolean uploadFromStream,
String remoteStorageLocation,
File srcFile,
String destFileName,
InputStream inputStream,
FileBackedOutputStream fileBackedOutputStream,
StorageObjectMetadata meta,
String stageRegion,
String presignedUrl)
throws SnowflakeSQLException {
final long originalContentLength = meta.getContentLength();
final List toClose = new ArrayList<>();
SFPair uploadStreamInfo =
createUploadStream(
srcFile,
uploadFromStream,
inputStream,
fileBackedOutputStream,
((S3ObjectMetadata) meta).getS3ObjectMetadata(),
originalContentLength,
toClose);
ObjectMetadata s3Meta;
if (meta instanceof S3ObjectMetadata) {
s3Meta = ((S3ObjectMetadata) meta).getS3ObjectMetadata();
} else {
throw new IllegalArgumentException("Unexpected metadata object type");
}
TransferManager tx = null;
int retryCount = 0;
do {
try {
logger.debug(
"Creating executor service for transfer" + "manager with {} threads", parallelism);
// upload files to s3
tx =
TransferManagerBuilder.standard()
.withS3Client(amazonClient)
.withExecutorFactory(
new ExecutorFactory() {
@Override
public ExecutorService newExecutor() {
return SnowflakeUtil.createDefaultExecutorService(
"s3-transfer-manager-uploader-", parallelism);
}
})
.build();
final Upload myUpload;
if (!this.isClientSideEncrypted) {
// since we're not client-side encrypting, make sure we're server-side encrypting with
// SSE-S3
s3Meta.setSSEAlgorithm(ObjectMetadata.AES_256_SERVER_SIDE_ENCRYPTION);
}
if (uploadStreamInfo.right) {
myUpload = tx.upload(remoteStorageLocation, destFileName, uploadStreamInfo.left, s3Meta);
} else {
PutObjectRequest putRequest =
new PutObjectRequest(remoteStorageLocation, destFileName, srcFile);
putRequest.setMetadata(s3Meta);
myUpload = tx.upload(putRequest);
}
myUpload.waitForCompletion();
// get out
for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
return;
} catch (Exception ex) {
handleS3Exception(ex, ++retryCount, "upload", session, command, this);
if (uploadFromStream && fileBackedOutputStream == null) {
throw new SnowflakeSQLException(
ex,
SqlState.SYSTEM_ERROR,
ErrorCode.IO_ERROR.getMessageCode(),
"Encountered exception during upload: "
+ ex.getMessage()
+ "\nCannot retry upload from stream.");
}
uploadStreamInfo =
createUploadStream(
srcFile,
uploadFromStream,
inputStream,
fileBackedOutputStream,
s3Meta,
originalContentLength,
toClose);
} finally {
if (tx != null) {
tx.shutdownNow(false);
}
}
} while (retryCount <= getMaxRetries());
for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
throw new SnowflakeSQLLoggedException(
session,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
SqlState.INTERNAL_ERROR,
"Unexpected: upload unsuccessful without exception!");
}
private SFPair createUploadStream(
File srcFile,
boolean uploadFromStream,
InputStream inputStream,
FileBackedOutputStream fileBackedOutputStream,
ObjectMetadata meta,
long originalContentLength,
List toClose)
throws SnowflakeSQLException {
logger.debug(
"createUploadStream({}, {}, {}, {}, {}, {}, {}) " + "keySize={}",
this,
srcFile,
uploadFromStream,
inputStream,
fileBackedOutputStream,
meta,
toClose,
this.getEncryptionKeySize());
final InputStream result;
FileInputStream srcFileStream = null;
if (isEncrypting() && getEncryptionKeySize() < 256) {
try {
final InputStream uploadStream =
uploadFromStream
? (fileBackedOutputStream != null
? fileBackedOutputStream.asByteSource().openStream()
: inputStream)
: (srcFileStream = new FileInputStream(srcFile));
toClose.add(srcFileStream);
// Encrypt
S3StorageObjectMetadata s3Metadata = new S3StorageObjectMetadata(meta);
result =
EncryptionProvider.encrypt(
s3Metadata, originalContentLength, uploadStream, this.encMat, this);
uploadFromStream = true;
} catch (Exception ex) {
logger.error("Failed to encrypt input", ex);
throw new SnowflakeSQLLoggedException(
session,
SqlState.INTERNAL_ERROR,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
ex,
"Failed to encrypt input",
ex.getMessage());
}
} else {
try {
if (!isClientSideEncrypted) {
// since we're not client-side encrypting, make sure we're server-side encrypting with
// SSE-S3
meta.setSSEAlgorithm(ObjectMetadata.AES_256_SERVER_SIDE_ENCRYPTION);
}
result =
uploadFromStream
? (fileBackedOutputStream != null
? fileBackedOutputStream.asByteSource().openStream()
: inputStream)
: (srcFileStream = new FileInputStream(srcFile));
toClose.add(srcFileStream);
} catch (FileNotFoundException ex) {
logger.error("Failed to open input file", ex);
throw new SnowflakeSQLLoggedException(
session,
SqlState.INTERNAL_ERROR,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
ex,
"Failed to open input file",
ex.getMessage());
} catch (IOException ex) {
logger.error("Failed to open input stream", ex);
throw new SnowflakeSQLLoggedException(
session,
SqlState.INTERNAL_ERROR,
ErrorCode.INTERNAL_ERROR.getMessageCode(),
ex,
"Failed to open input stream",
ex.getMessage());
}
}
return SFPair.of(result, uploadFromStream);
}
@Override
public void handleStorageException(
Exception ex, int retryCount, String operation, SFSession session, String command)
throws SnowflakeSQLException {
handleS3Exception(ex, retryCount, operation, session, command, this);
}
private static void handleS3Exception(
Exception ex,
int retryCount,
String operation,
SFSession session,
String command,
SnowflakeS3Client s3Client)
throws SnowflakeSQLException {
// no need to retry if it is invalid key exception
if (ex.getCause() instanceof InvalidKeyException) {
// Most likely cause is that the unlimited strength policy files are not installed
// Log the error and throw a message that explains the cause
SnowflakeFileTransferAgent.throwJCEMissingError(operation, ex);
}
if (ex instanceof AmazonClientException) {
if (retryCount > s3Client.getMaxRetries()) {
String extendedRequestId = "none";
if (ex instanceof AmazonS3Exception) {
AmazonS3Exception ex1 = (AmazonS3Exception) ex;
extendedRequestId = ex1.getExtendedRequestId();
}
if (ex instanceof AmazonServiceException) {
AmazonServiceException ex1 = (AmazonServiceException) ex;
throw new SnowflakeSQLLoggedException(
session,
SqlState.SYSTEM_ERROR,
ErrorCode.S3_OPERATION_ERROR.getMessageCode(),
ex1,
operation,
ex1.getErrorType().toString(),
ex1.getErrorCode(),
ex1.getMessage(),
ex1.getRequestId(),
extendedRequestId);
} else {
throw new SnowflakeSQLLoggedException(
session,
SqlState.SYSTEM_ERROR,
ErrorCode.AWS_CLIENT_ERROR.getMessageCode(),
ex,
operation,
ex.getMessage());
}
} else {
logger.debug(
"Encountered exception ({}) during {}, retry count: {}",
ex.getMessage(),
operation,
retryCount);
logger.debug("Stack trace: ", ex);
// exponential backoff up to a limit
int backoffInMillis = s3Client.getRetryBackoffMin();
if (retryCount > 1) {
backoffInMillis <<= (Math.min(retryCount - 1, s3Client.getRetryBackoffMaxExponent()));
}
try {
logger.debug("Sleep for {} milliseconds before retry", backoffInMillis);
Thread.sleep(backoffInMillis);
} catch (InterruptedException ex1) {
// ignore
}
// If the exception indicates that the AWS token has expired,
// we need to refresh our S3 client with the new token
if (ex instanceof AmazonS3Exception) {
AmazonS3Exception s3ex = (AmazonS3Exception) ex;
if (s3ex.getErrorCode().equalsIgnoreCase(EXPIRED_AWS_TOKEN_ERROR_CODE)) {
// If session is null we cannot renew the token so throw the ExpiredToken exception
if (session != null) {
SnowflakeFileTransferAgent.renewExpiredToken(session, command, s3Client);
} else {
throw new SnowflakeSQLException(
s3ex.getErrorCode(),
CLOUD_STORAGE_CREDENTIALS_EXPIRED,
"S3 credentials have expired");
}
}
}
}
} else {
if (ex instanceof InterruptedException
|| SnowflakeUtil.getRootCause(ex) instanceof SocketTimeoutException) {
if (retryCount > s3Client.getMaxRetries()) {
throw new SnowflakeSQLLoggedException(
session,
SqlState.SYSTEM_ERROR,
ErrorCode.IO_ERROR.getMessageCode(),
ex,
"Encountered exception during " + operation + ": " + ex.getMessage());
} else {
logger.debug(
"Encountered exception ({}) during {}, retry count: {}",
ex.getMessage(),
operation,
retryCount);
}
} else {
throw new SnowflakeSQLLoggedException(
session,
SqlState.SYSTEM_ERROR,
ErrorCode.IO_ERROR.getMessageCode(),
ex,
"Encountered exception during " + operation + ": " + ex.getMessage());
}
}
}
/** Returns the material descriptor key */
@Override
public String getMatdescKey() {
return "x-amz-matdesc";
}
/** Adds encryption metadata to the StorageObjectMetadata object */
@Override
public void addEncryptionMetadata(
StorageObjectMetadata meta,
MatDesc matDesc,
byte[] ivData,
byte[] encKeK,
long contentLength) {
meta.addUserMetadata(getMatdescKey(), matDesc.toString());
meta.addUserMetadata(AMZ_KEY, Base64.encodeAsString(encKeK));
meta.addUserMetadata(AMZ_IV, Base64.encodeAsString(ivData));
meta.setContentLength(contentLength);
}
/** Adds digest metadata to the StorageObjectMetadata object */
@Override
public void addDigestMetadata(StorageObjectMetadata meta, String digest) {
meta.addUserMetadata("sfc-digest", digest);
}
/** Gets digest metadata to the StorageObjectMetadata object */
@Override
public String getDigestMetadata(StorageObjectMetadata meta) {
return meta.getUserMetadata().get("sfc-digest");
}
private static SSLConnectionSocketFactory getSSLConnectionSocketFactory() {
if (s3ConnectionSocketFactory == null) {
synchronized (SnowflakeS3Client.class) {
if (s3ConnectionSocketFactory == null) {
try {
// trust manager is set to null, which will use default ones
// instead of SFTrustManager (which enables ocsp checking)
s3ConnectionSocketFactory =
new SFSSLConnectionSocketFactory(null, HttpUtil.isSocksProxyDisabled());
} catch (KeyManagementException | NoSuchAlgorithmException e) {
throw new SSLInitializationException(e.getMessage(), e);
}
}
}
}
return s3ConnectionSocketFactory;
}
}
