frostfs-s3-gw/api/handler/tagging.go

281 lines
7.2 KiB
Go
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package handler
import (
"net/http"
"sort"
"strings"
"unicode"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/middleware"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
"go.uber.org/zap"
)
const (
allowedTagChars = "+-=._:/@"
maxTags = 10
keyTagMaxLength = 128
valueTagMaxLength = 256
)
func (h *handler) PutObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
reqInfo := middleware.GetReqInfo(ctx)
tagSet, err := h.readTagSet(reqInfo.Tagging)
if err != nil {
h.logAndSendError(w, "could not read tag set", reqInfo, err)
return
}
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
tagPrm := &data.PutObjectTaggingParams{
ObjectVersion: &data.ObjectVersion{
BktInfo: bktInfo,
ObjectName: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
},
TagSet: tagSet,
}
nodeVersion, err := h.obj.PutObjectTagging(ctx, tagPrm)
if err != nil {
h.logAndSendError(w, "could not put object tagging", reqInfo, err)
return
}
s := &SendNotificationParams{
Event: EventObjectTaggingPut,
NotificationInfo: &data.NotificationInfo{
Name: nodeVersion.FilePath,
Size: nodeVersion.Size,
Version: nodeVersion.OID.EncodeToString(),
HashSum: nodeVersion.ETag,
},
BktInfo: bktInfo,
ReqInfo: reqInfo,
}
if err = h.sendNotifications(ctx, s); err != nil {
h.reqLogger(ctx).Error(logs.CouldntSendNotification, zap.Error(err))
}
w.WriteHeader(http.StatusOK)
}
func (h *handler) GetObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := middleware.GetReqInfo(r.Context())
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
settings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
if err != nil {
h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
return
}
tagPrm := &data.GetObjectTaggingParams{
ObjectVersion: &data.ObjectVersion{
BktInfo: bktInfo,
ObjectName: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
},
}
versionID, tagSet, err := h.obj.GetObjectTagging(r.Context(), tagPrm)
if err != nil {
h.logAndSendError(w, "could not get object tagging", reqInfo, err)
return
}
if settings.VersioningEnabled() {
w.Header().Set(api.AmzVersionID, versionID)
}
if err = middleware.EncodeToResponse(w, encodeTagging(tagSet)); err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err)
}
}
func (h *handler) DeleteObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
reqInfo := middleware.GetReqInfo(ctx)
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
p := &data.ObjectVersion{
BktInfo: bktInfo,
ObjectName: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}
nodeVersion, err := h.obj.DeleteObjectTagging(ctx, p)
if err != nil {
h.logAndSendError(w, "could not delete object tagging", reqInfo, err)
return
}
s := &SendNotificationParams{
Event: EventObjectTaggingDelete,
NotificationInfo: &data.NotificationInfo{
Name: nodeVersion.FilePath,
Size: nodeVersion.Size,
Version: nodeVersion.OID.EncodeToString(),
HashSum: nodeVersion.ETag,
},
BktInfo: bktInfo,
ReqInfo: reqInfo,
}
if err = h.sendNotifications(ctx, s); err != nil {
h.reqLogger(ctx).Error(logs.CouldntSendNotification, zap.Error(err))
}
w.WriteHeader(http.StatusNoContent)
}
func (h *handler) PutBucketTaggingHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := middleware.GetReqInfo(r.Context())
tagSet, err := h.readTagSet(reqInfo.Tagging)
if err != nil {
h.logAndSendError(w, "could not read tag set", reqInfo, err)
return
}
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = h.obj.PutBucketTagging(r.Context(), bktInfo, tagSet); err != nil {
h.logAndSendError(w, "could not put object tagging", reqInfo, err)
return
}
}
func (h *handler) GetBucketTaggingHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := middleware.GetReqInfo(r.Context())
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
tagSet, err := h.obj.GetBucketTagging(r.Context(), bktInfo)
if err != nil {
h.logAndSendError(w, "could not get object tagging", reqInfo, err)
return
}
if err = middleware.EncodeToResponse(w, encodeTagging(tagSet)); err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err)
return
}
}
func (h *handler) DeleteBucketTaggingHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := middleware.GetReqInfo(r.Context())
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = h.obj.DeleteBucketTagging(r.Context(), bktInfo); err != nil {
h.logAndSendError(w, "could not delete bucket tagging", reqInfo, err)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (h *handler) readTagSet(tagging *data.Tagging) (map[string]string, error) {
if err := checkTagSet(tagging.TagSet); err != nil {
return nil, err
}
tagSet := make(map[string]string, len(tagging.TagSet))
for _, tag := range tagging.TagSet {
if _, ok := tagSet[tag.Key]; ok {
return nil, errors.GetAPIError(errors.ErrInvalidTagKeyUniqueness)
}
tagSet[tag.Key] = tag.Value
}
return tagSet, nil
}
func encodeTagging(tagSet map[string]string) *data.Tagging {
tagging := &data.Tagging{}
for k, v := range tagSet {
tagging.TagSet = append(tagging.TagSet, data.Tag{Key: k, Value: v})
}
sort.Slice(tagging.TagSet, func(i, j int) bool {
return tagging.TagSet[i].Key < tagging.TagSet[j].Key
})
return tagging
}
func checkTagSet(tagSet []data.Tag) error {
if len(tagSet) > maxTags {
return errors.GetAPIError(errors.ErrInvalidTagsSizeExceed)
}
for _, tag := range tagSet {
if err := checkTag(tag); err != nil {
return err
}
}
return nil
}
func checkTag(tag data.Tag) error {
if len(tag.Key) < 1 || len(tag.Key) > keyTagMaxLength {
return errors.GetAPIError(errors.ErrInvalidTagKey)
}
if len(tag.Value) > valueTagMaxLength {
return errors.GetAPIError(errors.ErrInvalidTagValue)
}
if strings.HasPrefix(tag.Key, "aws:") {
return errors.GetAPIError(errors.ErrInvalidTagKey)
}
if !isValidTag(tag.Key) {
return errors.GetAPIError(errors.ErrInvalidTagKey)
}
if !isValidTag(tag.Value) {
return errors.GetAPIError(errors.ErrInvalidTagValue)
}
return nil
}
func isValidTag(str string) bool {
for _, r := range str {
if !unicode.IsLetter(r) && !unicode.IsDigit(r) &&
!unicode.IsSpace(r) && !strings.ContainsRune(allowedTagChars, r) {
return false
}
}
return true
}