ggershinsky commented on code in PR #13225:
URL: https://github.com/apache/iceberg/pull/13225#discussion_r2465759567
##########
core/src/main/java/org/apache/iceberg/rest/RESTTableOperations.java:
##########
@@ -166,7 +208,67 @@ public void commit(TableMetadata base, TableMetadata
metadata) {
@Override
public FileIO io() {
- return io;
+ if (encryptionKeyId == null) {
+ return io;
+ }
+
+ if (encryptingFileIO == null) {
+ encryptingFileIO = EncryptingFileIO.combine(io, encryption());
+ }
+
+ return encryptingFileIO;
+ }
+
+ @Override
+ public EncryptionManager encryption() {
+ if (encryptionManager != null) {
+ return encryptionManager;
+ }
+
+ if (encryptionKeyId != null) {
+ if (kmsClient == null) {
+ throw new RuntimeException(
+ "Cant create encryption manager, because key management client is
not set");
+ }
+
+ Map<String, String> tableProperties = Maps.newHashMap();
+ tableProperties.put(TableProperties.ENCRYPTION_TABLE_KEY,
encryptionKeyId);
+ tableProperties.put(
+ TableProperties.ENCRYPTION_DEK_LENGTH,
String.valueOf(encryptionDekLength));
+ encryptionManager =
+ EncryptionUtil.createEncryptionManager(
+ encryptedKeysFromMetadata, tableProperties, kmsClient);
+ } else {
+ return PlaintextEncryptionManager.instance();
+ }
+
+ return encryptionManager;
+ }
+
+ private void encryptionPropsFromMetadata(TableMetadata metadata) {
Review Comment:
Is this method applied on the TableMetadata that is fetched directly from
the REST catalog, and not from the metadata.json file? Both are possible, but
the former must override (and check) the latter, to protect against the key
removal and other attacks.
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