forked from TrueCloudLab/frostfs-s3-gw
620 lines
18 KiB
Go
620 lines
18 KiB
Go
package handler
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import (
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"encoding/xml"
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"net/http"
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"net/url"
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"strconv"
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"time"
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"github.com/google/uuid"
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"github.com/nspcc-dev/neofs-s3-gw/api"
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"github.com/nspcc-dev/neofs-s3-gw/api/data"
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"github.com/nspcc-dev/neofs-s3-gw/api/errors"
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"github.com/nspcc-dev/neofs-s3-gw/api/layer"
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"github.com/nspcc-dev/neofs-sdk-go/session"
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"go.uber.org/zap"
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)
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type (
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InitiateMultipartUploadResponse struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InitiateMultipartUploadResult" json:"-"`
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Bucket string `xml:"Bucket"`
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Key string `xml:"Key"`
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UploadID string `xml:"UploadId"`
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}
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CompleteMultipartUploadResponse struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUploadResult" json:"-"`
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Bucket string `xml:"Bucket"`
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Key string `xml:"Key"`
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ETag string `xml:"ETag"`
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}
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ListMultipartUploadsResponse struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListMultipartUploadsResult" json:"-"`
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Bucket string `xml:"Bucket"`
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CommonPrefixes []CommonPrefix `xml:"CommonPrefixes"`
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Delimiter string `xml:"Delimiter,omitempty"`
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EncodingType string `xml:"EncodingType,omitempty"`
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IsTruncated bool `xml:"IsTruncated"`
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KeyMarker string `xml:"KeyMarker"`
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MaxUploads int `xml:"MaxUploads"`
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NextKeyMarker string `xml:"NextKeyMarker,omitempty"`
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NextUploadIDMarker string `xml:"NextUploadIdMarker,omitempty"`
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Prefix string `xml:"Prefix"`
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Uploads []MultipartUpload `xml:"Upload"`
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UploadIDMarker string `xml:"UploadIdMarker,omitempty"`
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}
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ListPartsResponse struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListPartsResult" json:"-"`
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Bucket string `xml:"Bucket"`
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Initiator Initiator `xml:"Initiator"`
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IsTruncated bool `xml:"IsTruncated"`
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Key string `xml:"Key"`
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MaxParts int `xml:"MaxParts,omitempty"`
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NextPartNumberMarker int `xml:"NextPartNumberMarker,omitempty"`
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Owner Owner `xml:"Owner"`
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Parts []*layer.Part `xml:"Part"`
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PartNumberMarker int `xml:"PartNumberMarker,omitempty"`
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StorageClass string `xml:"StorageClass,omitempty"`
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UploadID string `xml:"UploadId"`
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}
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MultipartUpload struct {
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Initiated string `xml:"Initiated"`
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Initiator Initiator `xml:"Initiator"`
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Key string `xml:"Key"`
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Owner Owner `xml:"Owner"`
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StorageClass string `xml:"StorageClass,omitempty"`
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UploadID string `xml:"UploadId"`
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}
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Initiator struct {
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ID string `xml:"ID"`
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DisplayName string `xml:"DisplayName"`
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}
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CompleteMultipartUpload struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUpload"`
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Parts []*layer.CompletedPart `xml:"Part"`
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}
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UploadPartCopyResponse struct {
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ETag string `xml:"ETag"`
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LastModified string `xml:"LastModified"`
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}
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)
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const (
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uploadIDHeaderName = "uploadId"
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partNumberHeaderName = "partNumber"
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)
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func (h *handler) CreateMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
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reqInfo := api.GetReqInfo(r.Context())
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get bucket info", reqInfo, err)
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return
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}
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uploadID := uuid.New()
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additional := []zap.Field{
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zap.String("uploadID", uploadID.String()),
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zap.String("Key", reqInfo.ObjectName),
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}
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p := &layer.CreateMultipartParams{
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Info: &layer.UploadInfoParams{
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UploadID: uploadID.String(),
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Bkt: bktInfo,
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Key: reqInfo.ObjectName,
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},
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Data: &layer.UploadData{},
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}
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if containsACLHeaders(r) {
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key, err := h.bearerTokenIssuerKey(r.Context())
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if err != nil {
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h.logAndSendError(w, "couldn't get gate key", reqInfo, err)
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return
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}
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if _, err = parseACLHeaders(r.Header, key); err != nil {
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h.logAndSendError(w, "could not parse acl", reqInfo, err)
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return
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}
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p.Data.ACLHeaders = formACLHeadersForMultipart(r.Header)
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}
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if len(r.Header.Get(api.AmzTagging)) > 0 {
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p.Data.TagSet, err = parseTaggingHeader(r.Header)
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if err != nil {
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h.logAndSendError(w, "could not parse tagging", reqInfo, err, additional...)
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return
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}
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}
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p.Header = parseMetadata(r)
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if contentType := r.Header.Get(api.ContentType); len(contentType) > 0 {
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p.Header[api.ContentType] = contentType
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}
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if err = h.obj.CreateMultipartUpload(r.Context(), p); err != nil {
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h.logAndSendError(w, "could not upload a part", reqInfo, err, additional...)
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return
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}
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resp := InitiateMultipartUploadResponse{
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Bucket: reqInfo.BucketName,
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Key: reqInfo.ObjectName,
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UploadID: uploadID.String(),
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}
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if err = api.EncodeToResponse(w, resp); err != nil {
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h.logAndSendError(w, "could not encode InitiateMultipartUploadResponse to response", reqInfo, err, additional...)
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return
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}
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}
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func formACLHeadersForMultipart(header http.Header) map[string]string {
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result := make(map[string]string)
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if value := header.Get(api.AmzACL); value != "" {
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result[api.AmzACL] = value
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}
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if value := header.Get(api.AmzGrantRead); value != "" {
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result[api.AmzGrantRead] = value
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}
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if value := header.Get(api.AmzGrantFullControl); value != "" {
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result[api.AmzGrantFullControl] = value
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}
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if value := header.Get(api.AmzGrantWrite); value != "" {
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result[api.AmzGrantWrite] = value
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}
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return result
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}
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func (h *handler) UploadPartHandler(w http.ResponseWriter, r *http.Request) {
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reqInfo := api.GetReqInfo(r.Context())
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get bucket info", reqInfo, err)
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return
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}
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var (
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queryValues = r.URL.Query()
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uploadID = queryValues.Get(uploadIDHeaderName)
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additional = []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
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)
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partNumber, err := strconv.Atoi(queryValues.Get(partNumberHeaderName))
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if err != nil || partNumber < layer.UploadMinPartNumber || partNumber > layer.UploadMaxPartNumber {
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h.logAndSendError(w, "invalid part number", reqInfo, errors.GetAPIError(errors.ErrInvalidPartNumber))
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return
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}
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p := &layer.UploadPartParams{
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Info: &layer.UploadInfoParams{
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UploadID: uploadID,
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Bkt: bktInfo,
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Key: reqInfo.ObjectName,
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},
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PartNumber: partNumber,
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Size: r.ContentLength,
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Reader: r.Body,
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}
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hash, err := h.obj.UploadPart(r.Context(), p)
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if err != nil {
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h.logAndSendError(w, "could not upload a part", reqInfo, err, additional...)
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return
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}
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w.Header().Set(api.ETag, hash)
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api.WriteSuccessResponseHeadersOnly(w)
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}
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func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) {
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var (
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versionID string
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reqInfo = api.GetReqInfo(r.Context())
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queryValues = reqInfo.URL.Query()
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uploadID = queryValues.Get(uploadIDHeaderName)
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additional = []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
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)
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partNumber, err := strconv.Atoi(queryValues.Get(partNumberHeaderName))
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if err != nil || partNumber < layer.UploadMinPartNumber || partNumber > layer.UploadMaxPartNumber {
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h.logAndSendError(w, "invalid part number", reqInfo, errors.GetAPIError(errors.ErrInvalidPartNumber))
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return
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}
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src := r.Header.Get(api.AmzCopySource)
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if u, err := url.Parse(src); err == nil {
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versionID = u.Query().Get(api.QueryVersionID)
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src = u.Path
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}
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srcBucket, srcObject := path2BucketObject(src)
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srcRange, err := parseRange(r.Header.Get(api.AmzCopySourceRange))
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if err != nil {
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h.logAndSendError(w, "could not parse copy range", reqInfo,
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errors.GetAPIError(errors.ErrInvalidCopyPartRange), additional...)
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return
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}
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srcBktInfo, err := h.getBucketAndCheckOwner(r, srcBucket, api.AmzSourceExpectedBucketOwner)
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if err != nil {
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h.logAndSendError(w, "could not get source bucket info", reqInfo, err)
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return
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}
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get target bucket info", reqInfo, err)
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return
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}
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extSrcInfo, err := h.obj.GetObjectInfo(r.Context(), &layer.HeadObjectParams{
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BktInfo: srcBktInfo,
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Object: srcObject,
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VersionID: versionID,
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})
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if err != nil {
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if errors.IsS3Error(err, errors.ErrNoSuchKey) && versionID != "" {
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h.logAndSendError(w, "could not head source object version", reqInfo,
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errors.GetAPIError(errors.ErrBadRequest), additional...)
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return
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}
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h.logAndSendError(w, "could not head source object", reqInfo, err, additional...)
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return
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}
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args, err := parseCopyObjectArgs(r.Header)
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if err != nil {
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h.logAndSendError(w, "could not parse copy object args", reqInfo,
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errors.GetAPIError(errors.ErrInvalidCopyPartRange), additional...)
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return
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}
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if err = checkPreconditions(extSrcInfo.ObjectInfo, args.Conditional); err != nil {
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h.logAndSendError(w, "precondition failed", reqInfo, errors.GetAPIError(errors.ErrPreconditionFailed),
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additional...)
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return
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}
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p := &layer.UploadCopyParams{
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Info: &layer.UploadInfoParams{
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UploadID: uploadID,
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Bkt: bktInfo,
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Key: reqInfo.ObjectName,
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},
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SrcObjInfo: extSrcInfo.ObjectInfo,
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SrcBktInfo: srcBktInfo,
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PartNumber: partNumber,
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Range: srcRange,
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}
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info, err := h.obj.UploadPartCopy(r.Context(), p)
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if err != nil {
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h.logAndSendError(w, "could not upload part copy", reqInfo, err, additional...)
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return
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}
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response := UploadPartCopyResponse{
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ETag: info.HashSum,
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LastModified: info.Created.UTC().Format(time.RFC3339),
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}
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if err = api.EncodeToResponse(w, response); err != nil {
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h.logAndSendError(w, "something went wrong", reqInfo, err)
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}
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}
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func (h *handler) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
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reqInfo := api.GetReqInfo(r.Context())
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get bucket info", reqInfo, err)
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return
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}
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var (
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sessionTokenSetEACL *session.Container
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uploadID = r.URL.Query().Get(uploadIDHeaderName)
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uploadInfo = &layer.UploadInfoParams{
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UploadID: uploadID,
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Bkt: bktInfo,
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Key: reqInfo.ObjectName,
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}
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additional = []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
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)
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reqBody := new(CompleteMultipartUpload)
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if err = xml.NewDecoder(r.Body).Decode(reqBody); err != nil {
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h.logAndSendError(w, "could not read complete multipart upload xml", reqInfo,
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errors.GetAPIError(errors.ErrMalformedXML), additional...)
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return
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}
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if len(reqBody.Parts) == 0 {
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h.logAndSendError(w, "invalid xml with parts", reqInfo, errors.GetAPIError(errors.ErrMalformedXML), additional...)
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return
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}
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c := &layer.CompleteMultipartParams{
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Info: uploadInfo,
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Parts: reqBody.Parts,
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}
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uploadData, objInfo, err := h.obj.CompleteMultipartUpload(r.Context(), c)
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if err != nil {
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h.logAndSendError(w, "could not complete multipart upload", reqInfo, err, additional...)
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return
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}
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if len(uploadData.TagSet) != 0 {
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t := &layer.ObjectVersion{
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BktInfo: bktInfo,
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ObjectName: objInfo.Name,
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VersionID: objInfo.VersionID(),
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}
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if _, err = h.obj.PutObjectTagging(r.Context(), t, uploadData.TagSet); err != nil {
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h.logAndSendError(w, "could not put tagging file of completed multipart upload", reqInfo, err, additional...)
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return
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}
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}
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if len(uploadData.ACLHeaders) != 0 {
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key, err := h.bearerTokenIssuerKey(r.Context())
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if err != nil {
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h.logAndSendError(w, "couldn't get gate key", reqInfo, err)
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return
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}
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acl, err := parseACLHeaders(r.Header, key)
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if err != nil {
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h.logAndSendError(w, "could not parse acl", reqInfo, err)
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return
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}
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resInfo := &resourceInfo{
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Bucket: objInfo.Bucket,
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Object: objInfo.Name,
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}
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astObject, err := aclToAst(acl, resInfo)
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if err != nil {
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h.logAndSendError(w, "could not translate acl of completed multipart upload to ast", reqInfo, err, additional...)
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return
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}
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if _, err = h.updateBucketACL(r, astObject, bktInfo, sessionTokenSetEACL); err != nil {
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h.logAndSendError(w, "could not update bucket acl while completing multipart upload", reqInfo, err, additional...)
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return
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}
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}
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s := &SendNotificationParams{
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Event: EventObjectCreatedCompleteMultipartUpload,
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NotificationInfo: data.NotificationInfoFromObject(objInfo),
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BktInfo: bktInfo,
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ReqInfo: reqInfo,
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}
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if err = h.sendNotifications(r.Context(), s); err != nil {
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h.log.Error("couldn't send notification: %w", zap.Error(err))
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}
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bktSettings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
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if err != nil {
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h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
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}
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response := CompleteMultipartUploadResponse{
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Bucket: objInfo.Bucket,
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ETag: objInfo.HashSum,
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Key: objInfo.Name,
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}
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if bktSettings.VersioningEnabled() {
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w.Header().Set(api.AmzVersionID, objInfo.VersionID())
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}
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if err = api.EncodeToResponse(w, response); err != nil {
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h.logAndSendError(w, "something went wrong", reqInfo, err)
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}
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}
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func (h *handler) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
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reqInfo := api.GetReqInfo(r.Context())
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get bucket info", reqInfo, err)
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return
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}
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var (
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queryValues = reqInfo.URL.Query()
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delimiter = queryValues.Get("delimiter")
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prefix = queryValues.Get("prefix")
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maxUploads = layer.MaxSizeUploadsList
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)
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if queryValues.Get("max-uploads") != "" {
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val, err := strconv.Atoi(queryValues.Get("max-uploads"))
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if err != nil || val < 0 {
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h.logAndSendError(w, "invalid maxUploads", reqInfo, errors.GetAPIError(errors.ErrInvalidMaxUploads))
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return
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}
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if val < maxUploads {
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maxUploads = val
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}
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}
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p := &layer.ListMultipartUploadsParams{
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Bkt: bktInfo,
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Delimiter: delimiter,
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EncodingType: queryValues.Get("encoding-type"),
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KeyMarker: queryValues.Get("key-marker"),
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MaxUploads: maxUploads,
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Prefix: prefix,
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UploadIDMarker: queryValues.Get("upload-id-marker"),
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}
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list, err := h.obj.ListMultipartUploads(r.Context(), p)
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if err != nil {
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h.logAndSendError(w, "could not list multipart uploads", reqInfo, err)
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return
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}
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if err = api.EncodeToResponse(w, encodeListMultipartUploadsToResponse(list, p)); err != nil {
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h.logAndSendError(w, "something went wrong", reqInfo, err)
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}
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}
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func (h *handler) ListPartsHandler(w http.ResponseWriter, r *http.Request) {
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reqInfo := api.GetReqInfo(r.Context())
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bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
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if err != nil {
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h.logAndSendError(w, "could not get bucket info", reqInfo, err)
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return
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}
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var (
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partNumberMarker int
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queryValues = reqInfo.URL.Query()
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uploadID = queryValues.Get(uploadIDHeaderName)
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additional = []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
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maxParts = layer.MaxSizePartsList
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)
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if queryValues.Get("max-parts") != "" {
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val, err := strconv.Atoi(queryValues.Get("max-parts"))
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if err != nil || val < 0 {
|
|
h.logAndSendError(w, "invalid MaxParts", reqInfo, errors.GetAPIError(errors.ErrInvalidMaxParts), additional...)
|
|
return
|
|
}
|
|
if val < layer.MaxSizePartsList {
|
|
maxParts = val
|
|
}
|
|
}
|
|
|
|
if queryValues.Get("part-number-marker") != "" {
|
|
if partNumberMarker, err = strconv.Atoi(queryValues.Get("part-number-marker")); err != nil || partNumberMarker <= 0 {
|
|
h.logAndSendError(w, "invalid PartNumberMarker", reqInfo, err, additional...)
|
|
return
|
|
}
|
|
}
|
|
|
|
p := &layer.ListPartsParams{
|
|
Info: &layer.UploadInfoParams{
|
|
UploadID: uploadID,
|
|
Bkt: bktInfo,
|
|
Key: reqInfo.ObjectName,
|
|
},
|
|
MaxParts: maxParts,
|
|
PartNumberMarker: partNumberMarker,
|
|
}
|
|
|
|
list, err := h.obj.ListParts(r.Context(), p)
|
|
if err != nil {
|
|
h.logAndSendError(w, "could not list parts", reqInfo, err, additional...)
|
|
return
|
|
}
|
|
|
|
if err = api.EncodeToResponse(w, encodeListPartsToResponse(list, p)); err != nil {
|
|
h.logAndSendError(w, "something went wrong", reqInfo, err)
|
|
}
|
|
}
|
|
|
|
func (h *handler) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
|
|
reqInfo := api.GetReqInfo(r.Context())
|
|
|
|
bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
|
|
if err != nil {
|
|
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
|
|
return
|
|
}
|
|
|
|
uploadID := reqInfo.URL.Query().Get(uploadIDHeaderName)
|
|
additional := []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
|
|
|
|
p := &layer.UploadInfoParams{
|
|
UploadID: uploadID,
|
|
Bkt: bktInfo,
|
|
Key: reqInfo.ObjectName,
|
|
}
|
|
|
|
if err = h.obj.AbortMultipartUpload(r.Context(), p); err != nil {
|
|
h.logAndSendError(w, "could not abort multipart upload", reqInfo, err, additional...)
|
|
return
|
|
}
|
|
|
|
w.WriteHeader(http.StatusNoContent)
|
|
}
|
|
|
|
func encodeListMultipartUploadsToResponse(info *layer.ListMultipartUploadsInfo, params *layer.ListMultipartUploadsParams) *ListMultipartUploadsResponse {
|
|
res := ListMultipartUploadsResponse{
|
|
Bucket: params.Bkt.Name,
|
|
CommonPrefixes: fillPrefixes(info.Prefixes, params.EncodingType),
|
|
Delimiter: params.Delimiter,
|
|
EncodingType: params.EncodingType,
|
|
IsTruncated: info.IsTruncated,
|
|
KeyMarker: params.KeyMarker,
|
|
MaxUploads: params.MaxUploads,
|
|
NextKeyMarker: info.NextKeyMarker,
|
|
NextUploadIDMarker: info.NextUploadIDMarker,
|
|
Prefix: params.Prefix,
|
|
UploadIDMarker: params.UploadIDMarker,
|
|
}
|
|
|
|
uploads := make([]MultipartUpload, 0, len(info.Uploads))
|
|
for _, u := range info.Uploads {
|
|
m := MultipartUpload{
|
|
Initiated: u.Created.UTC().Format(time.RFC3339),
|
|
Initiator: Initiator{
|
|
ID: u.Owner.String(),
|
|
DisplayName: u.Owner.String(),
|
|
},
|
|
Key: u.Key,
|
|
Owner: Owner{
|
|
ID: u.Owner.String(),
|
|
DisplayName: u.Owner.String(),
|
|
},
|
|
UploadID: u.UploadID,
|
|
}
|
|
uploads = append(uploads, m)
|
|
}
|
|
|
|
res.Uploads = uploads
|
|
|
|
return &res
|
|
}
|
|
|
|
func encodeListPartsToResponse(info *layer.ListPartsInfo, params *layer.ListPartsParams) *ListPartsResponse {
|
|
return &ListPartsResponse{
|
|
XMLName: xml.Name{},
|
|
Bucket: params.Info.Bkt.Name,
|
|
Initiator: Initiator{
|
|
ID: info.Owner.String(),
|
|
DisplayName: info.Owner.String(),
|
|
},
|
|
IsTruncated: info.IsTruncated,
|
|
Key: params.Info.Key,
|
|
MaxParts: params.MaxParts,
|
|
NextPartNumberMarker: info.NextPartNumberMarker,
|
|
Owner: Owner{
|
|
ID: info.Owner.String(),
|
|
DisplayName: info.Owner.String(),
|
|
},
|
|
PartNumberMarker: params.PartNumberMarker,
|
|
UploadID: params.Info.UploadID,
|
|
Parts: info.Parts,
|
|
}
|
|
}
|