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fix: return Range errors after If-Matches (#10045)

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closes #7292
This commit is contained in:
Harshavardhana
2020-07-17 13:01:22 -07:00
committed by GitHub
parent d84fc58cac
commit 14b1c9f8e4
15 changed files with 208 additions and 183 deletions
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cmd/object-handlers-common.go
+5 -19
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@@ -24,7 +24,6 @@ import (
"strconv"
"time"
"github.com/minio/minio/cmd/crypto"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/pkg/bucket/lifecycle"
"github.com/minio/minio/pkg/event"
@@ -41,8 +40,8 @@ var (
// x-amz-copy-source-if-unmodified-since
// x-amz-copy-source-if-match
// x-amz-copy-source-if-none-match
func checkCopyObjectPartPreconditions(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo, encETag string) bool {
return checkCopyObjectPreconditions(ctx, w, r, objInfo, encETag)
func checkCopyObjectPartPreconditions(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo) bool {
return checkCopyObjectPreconditions(ctx, w, r, objInfo)
}
// Validates the preconditions for CopyObject, returns true if CopyObject operation should not proceed.
@@ -51,14 +50,11 @@ func checkCopyObjectPartPreconditions(ctx context.Context, w http.ResponseWriter
// x-amz-copy-source-if-unmodified-since
// x-amz-copy-source-if-match
// x-amz-copy-source-if-none-match
func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo, encETag string) bool {
func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo) bool {
// Return false for methods other than GET and HEAD.
if r.Method != http.MethodPut {
return false
}
if encETag == "" {
encETag = objInfo.ETag
}
// If the object doesn't have a modtime (IsZero), or the modtime
// is obviously garbage (Unix time == 0), then ignore modtimes
// and don't process the If-Modified-Since header.
@@ -106,17 +102,11 @@ func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r
}
}
shouldDecryptEtag := crypto.SSECopy.IsRequested(r.Header) && !crypto.IsMultiPart(objInfo.UserDefined)
// x-amz-copy-source-if-match : Return the object only if its entity tag (ETag) is the
// same as the one specified; otherwise return a 412 (precondition failed).
ifMatchETagHeader := r.Header.Get(xhttp.AmzCopySourceIfMatch)
if ifMatchETagHeader != "" {
etag := objInfo.ETag
if shouldDecryptEtag {
etag = encETag[len(encETag)-32:]
}
if objInfo.ETag != "" && !isETagEqual(etag, ifMatchETagHeader) {
if !isETagEqual(objInfo.ETag, ifMatchETagHeader) {
// If the object ETag does not match with the specified ETag.
writeHeaders()
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL, guessIsBrowserReq(r))
@@ -128,11 +118,7 @@ func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r
// one specified otherwise, return a 304 (not modified).
ifNoneMatchETagHeader := r.Header.Get(xhttp.AmzCopySourceIfNoneMatch)
if ifNoneMatchETagHeader != "" {
etag := objInfo.ETag
if shouldDecryptEtag {
etag = encETag[len(encETag)-32:]
}
if objInfo.ETag != "" && isETagEqual(etag, ifNoneMatchETagHeader) {
if isETagEqual(objInfo.ETag, ifNoneMatchETagHeader) {
// If the object ETag matches with the specified ETag.
writeHeaders()
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL, guessIsBrowserReq(r))