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object_multipart_handlers.go
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object_multipart_handlers.go
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package s3api
import (
"github.com/filedag-project/filedag-storage/objectservice/apierrors"
"github.com/filedag-project/filedag-storage/objectservice/consts"
"github.com/filedag-project/filedag-storage/objectservice/datatypes"
"github.com/filedag-project/filedag-storage/objectservice/iam"
"github.com/filedag-project/filedag-storage/objectservice/pkg/s3action"
"github.com/filedag-project/filedag-storage/objectservice/response"
"github.com/filedag-project/filedag-storage/objectservice/utils"
"github.com/filedag-project/filedag-storage/objectservice/utils/etag"
"github.com/filedag-project/filedag-storage/objectservice/utils/hash"
"github.com/filedag-project/filedag-storage/objectservice/utils/s3utils"
"io"
"net/http"
"net/textproto"
"net/url"
"path"
"sort"
"strconv"
"strings"
)
// NewMultipartUploadHandler - New multipart upload.
func (s3a *s3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
bucket, object, err := getBucketAndObject(r)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(r.Context(), err))
return
}
ctx := r.Context()
log.Infof("NewMultipartUploadHandler %s %s", bucket, object)
if err := s3utils.CheckNewMultipartArgs(ctx, bucket, object); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
_, _, s3err := s3a.authSys.CheckRequestAuthTypeCredential(ctx, r, s3action.PutObjectAction, bucket, object)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
metadata, err := extractMetadata(ctx, r)
if err != nil {
log.Errorf("NewMultipartUploadHandler extractMetadata err:%v", err)
response.WriteErrorResponse(w, r, apierrors.ErrInvalidRequest)
return
}
metadata[consts.AmzMetaFileSize] = textproto.MIMEHeader(r.Header).Get(consts.AmzMetaFileSize)
info, err := s3a.store.NewMultipartUpload(ctx, bucket, object, metadata)
if err != nil {
log.Errorf("NewMultipartUploadHandler NewMultipartUpload err:%v", err)
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
resp := response.GenerateInitiateMultipartUploadResponse(bucket, object, info.UploadID)
response.WriteSuccessResponseXML(w, r, resp)
}
// PutObjectPartHandler - Put an object part in a multipart upload.
func (s3a *s3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
bucket, object, err := getBucketAndObject(r)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(r.Context(), err))
return
}
// X-Amz-Copy-Source shouldn't be set for this call.
if _, ok := r.Header[consts.AmzCopySource]; ok {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidCopySource)
return
}
clientETag, err := etag.FromContentMD5(r.Header)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidDigest)
return
}
// if Content-Length is unknown/missing, deny the request
size := r.ContentLength
rAuthType := iam.GetRequestAuthType(r)
if iam.IsAuthTypeStreamingSigned(rAuthType) {
if sizeStr, ok := r.Header[consts.AmzDecodedContentLength]; ok {
if sizeStr[0] == "" {
response.WriteErrorResponse(w, r, apierrors.ErrMissingContentLength)
return
}
size, err = strconv.ParseInt(sizeStr[0], 10, 64)
if err != nil {
log.Errorf("ParseInt err:%v", err)
response.WriteErrorResponse(w, r, apierrors.ErrBadRequest)
return
}
}
}
if size == -1 {
response.WriteErrorResponse(w, r, apierrors.ErrMissingContentLength)
return
}
// maximum Upload size for multipart objects in a single operation
if size > consts.MaxPartSize {
response.WriteErrorResponse(w, r, apierrors.ErrEntityTooLarge)
return
}
uploadID := r.Form.Get(consts.UploadID)
partIDString := r.Form.Get(consts.PartNumber)
partID, err := strconv.Atoi(partIDString)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidPart)
return
}
// check partID with maximum part ID for multipart objects
if partID > consts.MaxPartID {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidMaxParts)
return
}
log.Infow("PutObjectPartHandler", "bucket", bucket, "object", object, "partID", partID)
if err := s3utils.CheckPutObjectPartArgs(ctx, bucket, object); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
// Check if put is allowed
s3err := s3a.authSys.IsPutActionAllowed(ctx, r, s3action.PutObjectAction, bucket, object)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
var (
md5hex = clientETag.String()
sha256hex = ""
reader io.Reader = r.Body
)
switch rAuthType {
case iam.AuthTypeStreamingSigned:
// Initialize stream signature verifier.
reader, s3err = iam.NewSignV4ChunkedReader(r, s3a.authSys)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
case iam.AuthTypeSignedV2, iam.AuthTypePresignedV2:
s3err = s3a.authSys.IsReqAuthenticatedV2(r)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
case iam.AuthTypePresigned, iam.AuthTypeSigned:
if s3err = s3a.authSys.ReqSignatureV4Verify(r, "", iam.ServiceS3); s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !iam.SkipContentSha256Cksum(r) {
sha256hex = iam.GetContentSha256Cksum(r, iam.ServiceS3)
}
}
mi, err := s3a.store.GetMultipartInfo(ctx, bucket, object, uploadID)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
hashReader, err := hash.NewReader(reader, size, md5hex, sha256hex, size)
if err != nil {
log.Errorf("PutObjectHandler NewReader err:%v", err)
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
partInfo, err := s3a.store.PutObjectPart(ctx, bucket, object, uploadID, partID, hashReader, size, mi.MetaData)
if err != nil {
// Verify if the underlying error is signature mismatch.
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
etag := partInfo.ETag
// We must not use the http.Header().Set method here because some (broken)
// clients expect the ETag header key to be literally "ETag" - not "Etag" (case-sensitive).
// Therefore, we have to set the ETag directly as map entry.
w.Header()[consts.ETag] = []string{"\"" + etag + "\""}
r.Header.Set("file-type", path.Ext(object))
response.WriteSuccessResponseHeadersOnly(w, r)
}
// CompleteMultipartUploadHandler - Completes multipart upload.
func (s3a *s3ApiServer) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
bucket, object, err := getBucketAndObject(r)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(r.Context(), err))
return
}
ctx := r.Context()
log.Infof("CompleteMultipartUploadHandler %s %s", bucket, object)
if err := s3utils.CheckCompleteMultipartArgs(ctx, bucket, object); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
_, _, s3err := s3a.authSys.CheckRequestAuthTypeCredential(ctx, r, s3action.PutObjectAction, bucket, object)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
// Content-Length is required and should be non-zero
if r.ContentLength <= 0 {
response.WriteErrorResponse(w, r, apierrors.ErrMissingContentLength)
return
}
// Get upload id.
uploadID, _, _, _, s3Error := getObjectResources(r.Form)
if s3Error != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3Error)
return
}
complMultipartUpload := &datatypes.CompleteMultipartUpload{}
if err = utils.XmlDecoder(r.Body, complMultipartUpload, r.ContentLength); err != nil {
response.WriteErrorResponse(w, r, apierrors.ErrMalformedXML)
return
}
if len(complMultipartUpload.Parts) == 0 {
response.WriteErrorResponse(w, r, apierrors.ErrMalformedXML)
return
}
if !sort.IsSorted(datatypes.CompletedParts(complMultipartUpload.Parts)) {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidPartOrder)
return
}
if _, err = s3a.store.GetMultipartInfo(ctx, bucket, object, uploadID); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
objInfo, err := s3a.store.CompleteMultiPartUpload(ctx, bucket, object, uploadID, complMultipartUpload.Parts)
if err != nil {
log.Errorf("CompleteMultipartUploadHandler CompleteMultiPartUpload err:%v", err)
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
bucketMetas, err := s3a.bmSys.GetBucketMeta(ctx, bucket)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
// Generate complete multipart response.
resp := response.GenerateCompleteMultpartUploadResponse(bucket, object, bucketMetas.Region, objInfo)
setPutObjHeaders(w, objInfo, false)
r.Header.Set("file-size", strconv.FormatInt(objInfo.Size, 10))
r.Header.Set("file-type", path.Ext(object))
response.WriteSuccessResponseXML(w, r, resp)
}
// AbortMultipartUploadHandler - Aborts multipart upload.
func (s3a *s3ApiServer) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
bucket, object, err := getBucketAndObject(r)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(r.Context(), err))
return
}
ctx := r.Context()
if err := s3utils.CheckAbortMultipartArgs(ctx, bucket, object); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
_, _, s3err := s3a.authSys.CheckRequestAuthTypeCredential(ctx, r, s3action.AbortMultipartUploadAction, bucket, object)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
// Get upload id.
uploadID, _, _, _, s3Error := getObjectResources(r.Form)
if s3Error != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3Error)
return
}
log.Infow("AbortMultipartUploadHandler", "bucket", bucket, "object", object, "uploadID", uploadID)
err = s3a.store.AbortMultipartUpload(ctx, bucket, object, uploadID)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
response.WriteSuccessNoContent(w)
}
// ListMultipartUploadsHandler - GET Bucket (List Multipart uploads)
// -------------------------
// This operation lists in-progress multipart uploads. An in-progress
// multipart upload is a multipart upload that has been initiated,
// using the Initiate Multipart Upload request, but has not yet been
// completed or aborted. This operation returns at most 1,000 multipart
// uploads in the response.
func (s3a *s3ApiServer) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
bucket, _, _ := getBucketAndObject(r)
ctx := r.Context()
log.Infof("ListMultipartUploadsHandler %s", bucket)
_, _, s3err := s3a.authSys.CheckRequestAuthTypeCredential(ctx, r, s3action.ListBucketMultipartUploadsAction, bucket, "")
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
prefix, keyMarker, uploadIDMarker, delimiter, maxUploads, encodingType, errCode := getBucketMultipartResources(r.Form)
if errCode != apierrors.ErrNone {
response.WriteErrorResponse(w, r, errCode)
return
}
if maxUploads < 0 {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidMaxUploads)
return
}
if keyMarker != "" {
// Marker not common with prefix is not implemented.
if !strings.HasPrefix(keyMarker, prefix) {
response.WriteErrorResponse(w, r, apierrors.ErrNotImplemented)
return
}
}
if err := s3utils.CheckListMultipartArgs(ctx, bucket, prefix, keyMarker, uploadIDMarker, delimiter); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
listMultipartsInfo, err := s3a.store.ListMultipartUploads(ctx, bucket, prefix, keyMarker, uploadIDMarker, delimiter, maxUploads)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
// generate response
resp := response.GenerateListMultipartUploadsResponse(bucket, listMultipartsInfo, encodingType)
// write success response.
response.WriteSuccessResponseXML(w, r, resp)
}
// ListObjectPartsHandler - Lists object parts in a multipart upload.
func (s3a *s3ApiServer) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
bucket, object, err := getBucketAndObject(r)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(r.Context(), err))
return
}
ctx := r.Context()
log.Infof("ListObjectPartsHandler %s %s", bucket, object)
_, _, s3err := s3a.authSys.CheckRequestAuthTypeCredential(ctx, r, s3action.ListMultipartUploadPartsAction, bucket, object)
if s3err != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3err)
return
}
if !s3a.bmSys.HasBucket(ctx, bucket) {
response.WriteErrorResponse(w, r, apierrors.ErrNoSuchBucket)
return
}
uploadID, partNumberMarker, maxParts, encodingType, s3Error := getObjectResources(r.Form)
if s3Error != apierrors.ErrNone {
response.WriteErrorResponse(w, r, s3Error)
return
}
if partNumberMarker < 0 {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidPartNumberMarker)
return
}
if maxParts < 0 {
response.WriteErrorResponse(w, r, apierrors.ErrInvalidMaxParts)
return
}
if err := s3utils.CheckListPartsArgs(ctx, bucket, object); err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
listPartsInfo, err := s3a.store.ListObjectParts(ctx, bucket, object, uploadID, partNumberMarker, maxParts)
if err != nil {
response.WriteErrorResponse(w, r, apierrors.ToApiError(ctx, err))
return
}
resp := response.GenerateListPartsResponse(listPartsInfo, encodingType)
response.WriteSuccessResponseXML(w, r, resp)
}
// CopyObjectPartHandler - uploads a part by copying data from an existing object as data source.
func (s3a *s3ApiServer) CopyObjectPartHandler(w http.ResponseWriter, r *http.Request) {
response.WriteErrorResponse(w, r, apierrors.ErrNotImplemented)
}
// Parse bucket url queries for ?uploads
func getBucketMultipartResources(values url.Values) (prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int, encodingType string, errCode apierrors.ErrorCode) {
errCode = apierrors.ErrNone
if values.Get("max-uploads") != "" {
var err error
if maxUploads, err = strconv.Atoi(values.Get("max-uploads")); err != nil {
errCode = apierrors.ErrInvalidMaxUploads
return
}
} else {
maxUploads = consts.MaxUploadsList
}
prefix = trimLeadingSlash(values.Get("prefix"))
keyMarker = trimLeadingSlash(values.Get("key-marker"))
uploadIDMarker = values.Get("upload-id-marker")
delimiter = values.Get("delimiter")
encodingType = values.Get("encoding-type")
return
}
// Parse object url queries
func getObjectResources(values url.Values) (uploadID string, partNumberMarker, maxParts int, encodingType string, errCode apierrors.ErrorCode) {
var err error
errCode = apierrors.ErrNone
if values.Get("max-parts") != "" {
if maxParts, err = strconv.Atoi(values.Get("max-parts")); err != nil {
errCode = apierrors.ErrInvalidMaxParts
return
}
} else {
maxParts = consts.MaxPartsList
}
if values.Get("part-number-marker") != "" {
if partNumberMarker, err = strconv.Atoi(values.Get("part-number-marker")); err != nil {
errCode = apierrors.ErrInvalidPartNumberMarker
return
}
}
uploadID = values.Get("uploadId")
encodingType = values.Get("encoding-type")
return
}