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Fix: Preserve MD5Sum for SSE encrypted objects (#6680)

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To conform with AWS S3 Spec on ETag for SSE-S3 encrypted objects,
encrypt client sent MD5Sum and store it on backend as ETag.Extend
this behavior to SSE-C encrypted objects.
This commit is contained in:
poornas
2018-11-14 17:36:41 -08:00
committed by kannappanr
parent 7e1661f4fa
commit 5f6d717b7a
49 changed files with 532 additions and 268 deletions
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12
cmd/xl-v1-object.go
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@@ -19,7 +19,6 @@ package cmd
import (
"bytes"
"context"
"encoding/hex"
"io"
"net/http"
"path"
@@ -153,7 +152,7 @@ func (xl xlObjects) CopyObject(ctx context.Context, srcBucket, srcObject, dstBuc
return oi, toObjectErr(err, dstBucket, dstObject)
}
objInfo, err := xl.putObject(ctx, dstBucket, dstObject, hashReader, srcInfo.UserDefined, dstOpts)
objInfo, err := xl.putObject(ctx, dstBucket, dstObject, NewPutObjReader(hashReader, nil, nil), srcInfo.UserDefined, dstOpts)
if err != nil {
return oi, toObjectErr(err, dstBucket, dstObject)
}
@@ -639,7 +638,7 @@ func rename(ctx context.Context, disks []StorageAPI, srcBucket, srcEntry, dstBuc
// until EOF, erasure codes the data across all disk and additionally
// writes `xl.json` which carries the necessary metadata for future
// object operations.
func (xl xlObjects) PutObject(ctx context.Context, bucket string, object string, data *hash.Reader, metadata map[string]string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
func (xl xlObjects) PutObject(ctx context.Context, bucket string, object string, data *PutObjReader, metadata map[string]string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
// Validate put object input args.
if err = checkPutObjectArgs(ctx, bucket, object, xl, data.Size()); err != nil {
return ObjectInfo{}, err
@@ -655,7 +654,9 @@ func (xl xlObjects) PutObject(ctx context.Context, bucket string, object string,
}
// putObject wrapper for xl PutObject
func (xl xlObjects) putObject(ctx context.Context, bucket string, object string, data *hash.Reader, metadata map[string]string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
func (xl xlObjects) putObject(ctx context.Context, bucket string, object string, r *PutObjReader, metadata map[string]string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
data := r.Reader
uniqueID := mustGetUUID()
tempObj := uniqueID
@@ -841,7 +842,8 @@ func (xl xlObjects) putObject(ctx context.Context, bucket string, object string,
// Save additional erasureMetadata.
modTime := UTCNow()
metadata["etag"] = hex.EncodeToString(data.MD5Current())
metadata["etag"] = r.MD5CurrentHexString()
// Guess content-type from the extension if possible.
if metadata["content-type"] == "" {