forked from TrueCloudLab/frostfs-s3-gw
Merge pull request #117 from KirillovDenis/feature/93-support_object_etag
[#93] Object ETag support
This commit is contained in:
commit
7ebcd5af8f
7 changed files with 62 additions and 92 deletions
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@ -81,7 +81,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
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}, r.URL)
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return
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} else if err = api.EncodeToResponse(w, &CopyObjectResponse{LastModified: inf.Created.Format(time.RFC3339)}); err != nil {
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} else if err = api.EncodeToResponse(w, &CopyObjectResponse{LastModified: inf.Created.Format(time.RFC3339), ETag: inf.HashSum}); err != nil {
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h.log.Error("something went wrong",
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zap.String("request_id", rid),
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zap.String("dst_bucket_name", bkt),
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@ -1,13 +1,10 @@
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package handler
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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"sync"
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"github.com/gorilla/mux"
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"github.com/nspcc-dev/neofs-s3-gw/api"
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@ -15,61 +12,6 @@ import (
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"go.uber.org/zap"
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)
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type (
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detector struct {
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io.Writer
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sync.Once
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contentType string
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}
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)
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func newDetector(w io.Writer) *detector {
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return &detector{Writer: w}
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}
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func (d *detector) Write(data []byte) (int, error) {
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d.Once.Do(func() {
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if rw, ok := d.Writer.(http.ResponseWriter); ok {
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rw.WriteHeader(http.StatusOK)
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}
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d.contentType = http.DetectContentType(data)
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})
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return d.Writer.Write(data)
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}
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func (h *handler) contentTypeFetcher(ctx context.Context, w io.Writer, info *layer.ObjectInfo) (string, error) {
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return h.contentTypeFetcherWithRange(ctx, w, info, nil)
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}
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func (h *handler) contentTypeFetcherWithRange(ctx context.Context, w io.Writer, info *layer.ObjectInfo, rangeParams *layer.RangeParams) (string, error) {
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if info.IsDir() {
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if rangeParams != nil {
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return "", fmt.Errorf("it is forbidden to request for a range in the directory")
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}
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return info.ContentType, nil
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}
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writer := newDetector(w)
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params := &layer.GetObjectParams{
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Bucket: info.Bucket,
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Object: info.Name,
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Writer: writer,
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Range: rangeParams,
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}
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// params.Length = inf.Size
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if err := h.obj.GetObject(ctx, params); err != nil {
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return "", err
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}
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return writer.contentType, nil
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}
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func fetchRangeHeader(headers http.Header, fullSize uint64) (*layer.RangeParams, error) {
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const prefix = "bytes="
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rangeHeader := headers.Get("Range")
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@ -107,9 +49,12 @@ func fetchRangeHeader(headers http.Header, fullSize uint64) (*layer.RangeParams,
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}
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func writeHeaders(h http.Header, info *layer.ObjectInfo) {
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h.Set("Content-Type", info.ContentType)
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h.Set("Last-Modified", info.Created.Format(http.TimeFormat))
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h.Set("Content-Length", strconv.FormatInt(info.Size, 10))
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if len(info.ContentType) > 0 {
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h.Set(api.ContentType, info.ContentType)
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}
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h.Set(api.LastModified, info.Created.Format(http.TimeFormat))
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h.Set(api.ContentLength, strconv.FormatInt(info.Size, 10))
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h.Set(api.ETag, info.HashSum)
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for key, val := range info.Headers {
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h.Set("X-"+key, val)
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@ -136,15 +81,20 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
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writeError(w, r, h.log, "could not parse range header", rid, bkt, obj, err)
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return
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}
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if inf.ContentType, err = h.contentTypeFetcherWithRange(r.Context(), w, inf, params); err != nil {
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writeError(w, r, h.log, "could not get object", rid, bkt, obj, err)
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return
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}
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writeHeaders(w.Header(), inf)
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if params != nil {
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writeRangeHeaders(w, params, inf.Size)
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}
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getParams := &layer.GetObjectParams{
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Bucket: inf.Bucket,
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Object: inf.Name,
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Writer: w,
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Range: params,
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}
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if err = h.obj.GetObject(r.Context(), getParams); err != nil {
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writeError(w, r, h.log, "could not get object", rid, bkt, obj, err)
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}
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}
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func writeRangeHeaders(w http.ResponseWriter, params *layer.RangeParams, size int64) {
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@ -1,6 +1,7 @@
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package handler
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import (
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"bytes"
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"context"
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"net/http"
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@ -12,10 +13,18 @@ import (
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"google.golang.org/grpc/status"
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)
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type devNull int
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const sizeToDetectType = 512
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func (d devNull) Write(p []byte) (n int, err error) {
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return len(p), nil
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func getRangeToDetectContentType(maxSize int64) *layer.RangeParams {
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end := uint64(maxSize)
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if sizeToDetectType < end {
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end = sizeToDetectType
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}
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return &layer.RangeParams{
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Start: 0,
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End: end - 1,
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}
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}
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func (h *handler) checkIsFolder(ctx context.Context, bucket, object string) *layer.ObjectInfo {
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@ -73,7 +82,15 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
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}, r.URL)
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return
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} else if inf.ContentType, err = h.contentTypeFetcher(r.Context(), devNull(0), inf); err != nil {
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}
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buffer := bytes.NewBuffer(make([]byte, 0, sizeToDetectType))
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getParams := &layer.GetObjectParams{
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Bucket: inf.Bucket,
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Object: inf.Name,
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Writer: buffer,
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Range: getRangeToDetectContentType(inf.Size),
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}
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if err = h.obj.GetObject(r.Context(), getParams); err != nil {
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h.log.Error("could not get object",
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zap.String("request_id", rid),
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zap.String("bucket_name", bkt),
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@ -89,7 +106,7 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
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return
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}
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inf.ContentType = http.DetectContentType(buffer.Bytes())
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writeHeaders(w.Header(), inf)
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w.WriteHeader(http.StatusOK)
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}
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@ -196,7 +196,7 @@ func encodeV1(arg *listObjectsArgs, list *layer.ListObjectsInfo) *ListObjectsRes
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DisplayName: obj.Owner.String(),
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},
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// ETag: "",
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ETag: obj.HashSum,
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// StorageClass: "",
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})
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}
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@ -259,7 +259,7 @@ func encodeV2(arg *listObjectsArgs, list *layer.ListObjectsInfo) *ListObjectsV2R
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DisplayName: obj.Owner.String(),
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},
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// ETag: "",
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ETag: obj.HashSum,
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// StorageClass: "",
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})
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}
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@ -24,11 +24,12 @@ const (
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func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
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var (
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err error
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req = mux.Vars(r)
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bkt = req["bucket"]
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obj = req["object"]
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rid = api.GetRequestID(r.Context())
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err error
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info *layer.ObjectInfo
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req = mux.Vars(r)
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bkt = req["bucket"]
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obj = req["object"]
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rid = api.GetRequestID(r.Context())
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)
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if _, err := h.obj.GetBucketInfo(r.Context(), bkt); err != nil {
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@ -53,7 +54,7 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
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Size: r.ContentLength,
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}
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if _, err = h.obj.PutObject(r.Context(), params); err != nil {
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if info, err = h.obj.PutObject(r.Context(), params); err != nil {
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h.log.Error("could not upload object",
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zap.String("request_id", rid),
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zap.String("bucket_name", bkt),
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@ -69,6 +70,7 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
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return
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}
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w.Header().Set(api.ETag, info.HashSum)
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api.WriteSuccessResponseHeadersOnly(w)
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}
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@ -142,6 +142,14 @@ func (n *layer) objectPut(ctx context.Context, p *PutObjectParams) (*ObjectInfo,
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return nil, err
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}
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addr := object.NewAddress()
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addr.SetObjectID(oid)
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addr.SetContainerID(bkt.CID)
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meta, err := n.objectHead(ctx, addr)
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if err != nil {
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return nil, err
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}
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return &ObjectInfo{
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id: oid,
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@ -152,6 +160,7 @@ func (n *layer) objectPut(ctx context.Context, p *PutObjectParams) (*ObjectInfo,
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Created: time.Now(),
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Headers: p.Header,
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ContentType: r.contentType,
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HashSum: meta.PayloadChecksum().String(),
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}, nil
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}
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@ -1,7 +1,6 @@
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package layer
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import (
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"net/http"
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"os"
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"strconv"
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"strings"
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@ -22,6 +21,7 @@ type (
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Size int64
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ContentType string
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Created time.Time
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HashSum string
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Owner *owner.ID
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Headers map[string]string
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}
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@ -102,10 +102,10 @@ func objectInfoFromMeta(bkt *BucketInfo, meta *object.Object, prefix, delimiter
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filename = prefix + tail[:index+1]
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userHeaders = nil
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} else {
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size, mimeType = getSizeAndMimeType(meta, mimeType)
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size = int64(meta.PayloadSize())
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}
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} else {
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size, mimeType = getSizeAndMimeType(meta, mimeType)
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size = int64(meta.PayloadSize())
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}
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return &ObjectInfo{
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@ -119,18 +119,10 @@ func objectInfoFromMeta(bkt *BucketInfo, meta *object.Object, prefix, delimiter
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Headers: userHeaders,
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Owner: meta.OwnerID(),
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Size: size,
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HashSum: meta.PayloadChecksum().String(),
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}
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}
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func getSizeAndMimeType(meta *object.Object, contentType string) (size int64, mimeType string) {
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size = int64(meta.PayloadSize())
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mimeType = contentType
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if len(mimeType) == 0 {
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mimeType = http.DetectContentType(meta.Payload())
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}
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return
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}
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func filenameFromObject(o *object.Object) string {
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var name = o.ID().String()
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for _, attr := range o.Attributes() {
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