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Allow versionId to be null for Copy,Get,Head API calls (#6942)

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Fixes #6935
This commit is contained in:
Harshavardhana
2018-12-12 11:43:44 -08:00
committed by kannappanr
parent 3498f5b0ec
commit 6f7c99a333
2 changed files with 33 additions and 1 deletions
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28
cmd/object-handlers.go
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@@ -323,6 +323,11 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
bucket := vars["bucket"]
object := vars["object"]
if vid := r.URL.Query().Get("versionId"); vid != "" && vid != "null" {
writeErrorResponse(w, ErrNoSuchVersion, r.URL, guessIsBrowserReq(r))
return
}
var (
opts ObjectOptions
err error
@@ -483,7 +488,7 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
return
}
if crypto.S3.IsRequested(r.Header) || crypto.S3KMS.IsRequested(r.Header) { // If SSE-S3 or SSE-KMS present -> AWS fails with undefined error
writeErrorResponse(w, ErrBadRequest, r.URL, guessIsBrowserReq(r))
writeErrorResponseHeadersOnly(w, ErrBadRequest)
return
}
@@ -491,6 +496,11 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
bucket := vars["bucket"]
object := vars["object"]
if vid := r.URL.Query().Get("versionId"); vid != "" && vid != "null" {
writeErrorResponseHeadersOnly(w, ErrNoSuchVersion)
return
}
getObjectInfo := objectAPI.GetObjectInfo
if api.CacheAPI() != nil {
getObjectInfo = api.CacheAPI().GetObjectInfo
@@ -697,6 +707,22 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
cpSrcPath = r.Header.Get("X-Amz-Copy-Source")
}
// Check https://docs.aws.amazon.com/AmazonS3/latest/dev/ObjectVersioning.html
// Regardless of whether you have enabled versioning, each object in your bucket
// has a version ID. If you have not enabled versioning, Amazon S3 sets the value
// of the version ID to null. If you have enabled versioning, Amazon S3 assigns a
// unique version ID value for the object.
if u, err := url.Parse(cpSrcPath); err == nil {
// Check if versionId query param was added, if yes then check if
// its non "null" value, we should error out since we do not support
// any versions other than "null".
if vid := u.Query().Get("versionId"); vid != "" && vid != "null" {
writeErrorResponse(w, ErrNoSuchVersion, r.URL, guessIsBrowserReq(r))
return
}
cpSrcPath = u.Path
}
srcBucket, srcObject := path2BucketAndObject(cpSrcPath)
// If source object is empty or bucket is empty, reply back invalid copy source.
if srcObject == "" || srcBucket == "" {