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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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13
cmd/fs-v1-multipart.go
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@@ -18,7 +18,6 @@ package cmd
import (
"context"
"encoding/hex"
"encoding/json"
"fmt"
"io/ioutil"
@@ -31,8 +30,6 @@ import (
"github.com/minio/minio/cmd/logger"
mioutil "github.com/minio/minio/pkg/ioutil"
"github.com/minio/minio/pkg/hash"
)
// Returns EXPORT/.minio.sys/multipart/SHA256/UPLOADID
@@ -259,7 +256,7 @@ func (fs *FSObjects) CopyObjectPart(ctx context.Context, srcBucket, srcObject, d
return pi, toObjectErr(err)
}
partInfo, err := fs.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, srcInfo.Reader, dstOpts)
partInfo, err := fs.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, srcInfo.PutObjReader, dstOpts)
if err != nil {
return pi, toObjectErr(err, dstBucket, dstObject)
}
@@ -271,7 +268,8 @@ func (fs *FSObjects) CopyObjectPart(ctx context.Context, srcBucket, srcObject, d
// an ongoing multipart transaction. Internally incoming data is
// written to '.minio.sys/tmp' location and safely renamed to
// '.minio.sys/multipart' for reach parts.
func (fs *FSObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *hash.Reader, opts ObjectOptions) (pi PartInfo, e error) {
func (fs *FSObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, r *PutObjReader, opts ObjectOptions) (pi PartInfo, e error) {
data := r.Reader
if err := checkPutObjectPartArgs(ctx, bucket, object, fs); err != nil {
return pi, toObjectErr(err, bucket)
}
@@ -321,11 +319,12 @@ func (fs *FSObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID
// PutObjectPart succeeds then there would be nothing to
// delete in which case we just ignore the error.
defer fsRemoveFile(ctx, tmpPartPath)
etag := r.MD5CurrentHexString()
etag := hex.EncodeToString(data.MD5Current())
if etag == "" {
etag = GenETag()
}
partPath := pathJoin(uploadIDDir, fs.encodePartFile(partID, etag, data.ActualSize()))
if err = fsRenameFile(ctx, tmpPartPath, partPath); err != nil {
@@ -478,7 +477,7 @@ func (fs *FSObjects) ListObjectParts(ctx context.Context, bucket, object, upload
// md5sums of all the parts.
//
// Implements S3 compatible Complete multipart API.
func (fs *FSObjects) CompleteMultipartUpload(ctx context.Context, bucket string, object string, uploadID string, parts []CompletePart) (oi ObjectInfo, e error) {
func (fs *FSObjects) CompleteMultipartUpload(ctx context.Context, bucket string, object string, uploadID string, parts []CompletePart, opts ObjectOptions) (oi ObjectInfo, e error) {
var actualSize int64