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[#216] Add bucket owner check

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Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov 2021-08-23 11:19:41 +03:00 committed by Kirillov Denis
parent 68e4e1bbc3
commit d81a3d7b45
7 changed files with 78 additions and 10 deletions
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9
api/handler/copy.go
View file

@ -71,6 +71,15 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
return
}
if err = h.checkBucketOwner(r, srcBucket, r.Header.Get(api.AmzSourceExpectedBucketOwner)); err != nil {
h.logAndSendError(w, "source expected owner doesn't match", reqInfo, err)
return
}
if err = h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if inf, err = h.obj.GetObjectInfo(r.Context(), srcBucket, srcObject); err != nil {
h.logAndSendError(w, "could not find object", reqInfo, err)
return

14
api/handler/delete.go
View file

@ -44,6 +44,11 @@ type DeleteObjectsResponse struct {
func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := api.GetReqInfo(r.Context())
if err := h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if err := h.obj.DeleteObject(r.Context(), reqInfo.BucketName, reqInfo.ObjectName); err != nil {
h.log.Error("could not delete object",
zap.String("request_id", reqInfo.RequestID),
@ -100,6 +105,11 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
DeletedObjects: make([]ObjectIdentifier, 0, len(toRemove)),
}
if err := h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if errs := h.obj.DeleteObjects(r.Context(), reqInfo.BucketName, toRemove); errs != nil && !requested.Quiet {
additional := []zap.Field{
zap.Strings("objects_name", toRemove),
@ -135,6 +145,10 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
func (h *handler) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := api.GetReqInfo(r.Context())
if err := h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if err := h.obj.DeleteBucket(r.Context(), &layer.DeleteBucketParams{Name: reqInfo.BucketName}); err != nil {
h.logAndSendError(w, "couldn't delete bucket", reqInfo, err)
}

5
api/handler/get.go
View file

@ -93,6 +93,11 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
return
}
if err = h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if inf, err = h.obj.GetObjectInfo(r.Context(), reqInfo.BucketName, reqInfo.ObjectName); err != nil {
h.logAndSendError(w, "could not find object", reqInfo, err)
return

11
api/handler/head.go
View file

@ -31,6 +31,11 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
reqInfo = api.GetReqInfo(r.Context())
)
if err = h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if inf, err = h.obj.GetObjectInfo(r.Context(), reqInfo.BucketName, reqInfo.ObjectName); err != nil {
h.logAndSendError(w, "could not fetch object info", reqInfo, err)
return
@ -56,7 +61,11 @@ func (h *handler) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not fetch object info", reqInfo, err)
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = checkOwner(bktInfo, r.Header.Get(api.AmzExpectedBucketOwner)); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}

10
api/handler/object_list.go
View file

@ -21,6 +21,11 @@ func (h *handler) ListObjectsV1Handler(w http.ResponseWriter, r *http.Request) {
return
}
if err = h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
list, err := h.obj.ListObjectsV1(r.Context(), params)
if err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err)
@ -60,6 +65,11 @@ func (h *handler) ListObjectsV2Handler(w http.ResponseWriter, r *http.Request) {
return
}
if err = h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
list, err := h.obj.ListObjectsV2(r.Context(), params)
if err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err)

20
api/handler/util.go
View file

@ -18,3 +18,23 @@ func (h *handler) logAndSendError(w http.ResponseWriter, logText string, reqInfo
h.log.Error(logText, fields...)
api.WriteErrorResponse(w, reqInfo, err)
}
func (h *handler) checkBucketOwner(r *http.Request, bucket string, header ...string) error {
var expected string
if len(header) == 0 {
expected = r.Header.Get(api.AmzExpectedBucketOwner)
} else {
expected = header[0]
}
if len(expected) == 0 {
return nil
}
bktInfo, err := h.obj.GetBucketInfo(r.Context(), bucket)
if err != nil {
return err
}
return checkOwner(bktInfo, expected)
}

1
api/headers.go
View file

@ -39,6 +39,7 @@ const (
AmzGrantRead = "X-Amz-Grant-Read"
AmzGrantWrite = "X-Amz-Grant-Write"
AmzExpectedBucketOwner = "X-Amz-Expected-Bucket-Owner"
AmzSourceExpectedBucketOwner = "X-Amz-Source-Expected-Bucket-Owner"
ContainerID = "X-Container-Id"
)