seaweedfs/weed/s3api/s3api_object_multipart_handlers.go
2022-04-12 13:40:53 +08:00

340 lines
9.7 KiB
Go

package s3api
import (
"encoding/xml"
"crypto/sha1"
"fmt"
"github.com/chrislusf/seaweedfs/weed/glog"
xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
weed_server "github.com/chrislusf/seaweedfs/weed/server"
"io"
"net/http"
"net/url"
"strconv"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/s3"
)
const (
maxObjectListSizeLimit = 10000 // Limit number of objects in a listObjectsResponse.
maxUploadsList = 10000 // Limit number of uploads in a listUploadsResponse.
maxPartsList = 10000 // Limit number of parts in a listPartsResponse.
globalMaxPartID = 100000
)
// NewMultipartUploadHandler - New multipart upload.
func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
bucket, object := xhttp.GetBucketAndObject(r)
createMultipartUploadInput := &s3.CreateMultipartUploadInput{
Bucket: aws.String(bucket),
Key: objectKey(aws.String(object)),
Metadata: make(map[string]*string),
}
metadata := weed_server.SaveAmzMetaData(r, nil, false)
for k, v := range metadata {
createMultipartUploadInput.Metadata[k] = aws.String(string(v))
}
contentType := r.Header.Get("Content-Type")
if contentType != "" {
createMultipartUploadInput.ContentType = &contentType
}
response, errCode := s3a.createMultipartUpload(createMultipartUploadInput)
glog.V(2).Info("NewMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)), errCode)
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
writeSuccessResponseXML(w, r, response)
}
// CompleteMultipartUploadHandler - Completes multipart upload.
func (s3a *S3ApiServer) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
// https://docs.aws.amazon.com/AmazonS3/latest/API/API_CompleteMultipartUpload.html
bucket, object := xhttp.GetBucketAndObject(r)
parts := &CompleteMultipartUpload{}
if err := xmlDecoder(r.Body, parts, r.ContentLength); err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrMalformedXML)
return
}
// Get upload id.
uploadID, _, _, _ := getObjectResources(r.URL.Query())
err := s3a.checkUploadId(object, uploadID)
if err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchUpload)
return
}
response, errCode := s3a.completeMultipartUpload(&s3.CompleteMultipartUploadInput{
Bucket: aws.String(bucket),
Key: objectKey(aws.String(object)),
UploadId: aws.String(uploadID),
}, parts)
glog.V(2).Info("CompleteMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)), errCode)
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
writeSuccessResponseXML(w, r, response)
}
// AbortMultipartUploadHandler - Aborts multipart upload.
func (s3a *S3ApiServer) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
bucket, object := xhttp.GetBucketAndObject(r)
// Get upload id.
uploadID, _, _, _ := getObjectResources(r.URL.Query())
err := s3a.checkUploadId(object, uploadID)
if err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchUpload)
return
}
response, errCode := s3a.abortMultipartUpload(&s3.AbortMultipartUploadInput{
Bucket: aws.String(bucket),
Key: objectKey(aws.String(object)),
UploadId: aws.String(uploadID),
})
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
glog.V(2).Info("AbortMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)))
writeSuccessResponseXML(w, r, response)
}
// ListMultipartUploadsHandler - Lists multipart uploads.
func (s3a *S3ApiServer) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
bucket, _ := xhttp.GetBucketAndObject(r)
prefix, keyMarker, uploadIDMarker, delimiter, maxUploads, encodingType := getBucketMultipartResources(r.URL.Query())
if maxUploads < 0 {
s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxUploads)
return
}
if keyMarker != "" {
// Marker not common with prefix is not implemented.
if !strings.HasPrefix(keyMarker, prefix) {
s3err.WriteErrorResponse(w, r, s3err.ErrNotImplemented)
return
}
}
response, errCode := s3a.listMultipartUploads(&s3.ListMultipartUploadsInput{
Bucket: aws.String(bucket),
Delimiter: aws.String(delimiter),
EncodingType: aws.String(encodingType),
KeyMarker: aws.String(keyMarker),
MaxUploads: aws.Int64(int64(maxUploads)),
Prefix: aws.String(prefix),
UploadIdMarker: aws.String(uploadIDMarker),
})
glog.V(2).Infof("ListMultipartUploadsHandler %s errCode=%d", string(s3err.EncodeXMLResponse(response)), errCode)
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
// TODO handle encodingType
writeSuccessResponseXML(w, r, response)
}
// ListObjectPartsHandler - Lists object parts in a multipart upload.
func (s3a *S3ApiServer) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
bucket, object := xhttp.GetBucketAndObject(r)
uploadID, partNumberMarker, maxParts, _ := getObjectResources(r.URL.Query())
if partNumberMarker < 0 {
s3err.WriteErrorResponse(w, r, s3err.ErrInvalidPartNumberMarker)
return
}
if maxParts < 0 {
s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxParts)
return
}
err := s3a.checkUploadId(object, uploadID)
if err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchUpload)
return
}
response, errCode := s3a.listObjectParts(&s3.ListPartsInput{
Bucket: aws.String(bucket),
Key: objectKey(aws.String(object)),
MaxParts: aws.Int64(int64(maxParts)),
PartNumberMarker: aws.Int64(int64(partNumberMarker)),
UploadId: aws.String(uploadID),
})
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
glog.V(2).Infof("ListObjectPartsHandler %s count=%d", string(s3err.EncodeXMLResponse(response)), len(response.Part))
writeSuccessResponseXML(w, r, response)
}
// PutObjectPartHandler - Put an object part in a multipart upload.
func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
bucket, object := xhttp.GetBucketAndObject(r)
uploadID := r.URL.Query().Get("uploadId")
err := s3a.checkUploadId(object, uploadID)
if err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchUpload)
return
}
partIDString := r.URL.Query().Get("partNumber")
partID, err := strconv.Atoi(partIDString)
if err != nil {
s3err.WriteErrorResponse(w, r, s3err.ErrInvalidPart)
return
}
if partID > globalMaxPartID {
s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxParts)
return
}
dataReader := r.Body
if s3a.iam.isEnabled() {
rAuthType := getRequestAuthType(r)
var s3ErrCode s3err.ErrorCode
switch rAuthType {
case authTypeStreamingSigned:
dataReader, s3ErrCode = s3a.iam.newSignV4ChunkedReader(r)
case authTypeSignedV2, authTypePresignedV2:
_, s3ErrCode = s3a.iam.isReqAuthenticatedV2(r)
case authTypePresigned, authTypeSigned:
_, s3ErrCode = s3a.iam.reqSignatureV4Verify(r)
}
if s3ErrCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, s3ErrCode)
return
}
}
defer dataReader.Close()
glog.V(2).Infof("PutObjectPartHandler %s %s %04d", bucket, uploadID, partID)
uploadUrl := fmt.Sprintf("http://%s%s/%s/%04d.part?collection=%s",
s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(bucket), uploadID, partID, bucket)
if partID == 1 && r.Header.Get("Content-Type") == "" {
dataReader = mimeDetect(r, dataReader)
}
etag, errCode := s3a.putToFiler(r, uploadUrl, dataReader)
if errCode != s3err.ErrNone {
s3err.WriteErrorResponse(w, r, errCode)
return
}
setEtag(w, etag)
writeSuccessResponseEmpty(w, r)
}
func (s3a *S3ApiServer) genUploadsFolder(bucket string) string {
return fmt.Sprintf("%s/%s/.uploads", s3a.option.BucketsPath, bucket)
}
// Generate uploadID hash string from object
func (s3a *S3ApiServer) generateUploadID(object string) string {
if strings.HasPrefix(object, "/") {
object = object[1:]
}
h := sha1.New()
h.Write([]byte(object))
return fmt.Sprintf("%x", h.Sum(nil))
}
//Check object name and uploadID when processing multipart uploading
func (s3a *S3ApiServer) checkUploadId(object string, id string) error {
hash := s3a.generateUploadID(object)
if hash != id {
glog.Errorf("object %s and uploadID %s are not matched", object, id)
return fmt.Errorf("object %s and uploadID %s are not matched", object, id)
}
return nil
}
// Parse bucket url queries for ?uploads
func getBucketMultipartResources(values url.Values) (prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int, encodingType string) {
prefix = values.Get("prefix")
keyMarker = values.Get("key-marker")
uploadIDMarker = values.Get("upload-id-marker")
delimiter = values.Get("delimiter")
if values.Get("max-uploads") != "" {
maxUploads, _ = strconv.Atoi(values.Get("max-uploads"))
} else {
maxUploads = maxUploadsList
}
encodingType = values.Get("encoding-type")
return
}
// Parse object url queries
func getObjectResources(values url.Values) (uploadID string, partNumberMarker, maxParts int, encodingType string) {
uploadID = values.Get("uploadId")
partNumberMarker, _ = strconv.Atoi(values.Get("part-number-marker"))
if values.Get("max-parts") != "" {
maxParts, _ = strconv.Atoi(values.Get("max-parts"))
} else {
maxParts = maxPartsList
}
encodingType = values.Get("encoding-type")
return
}
func xmlDecoder(body io.Reader, v interface{}, size int64) error {
var lbody io.Reader
if size > 0 {
lbody = io.LimitReader(body, size)
} else {
lbody = body
}
d := xml.NewDecoder(lbody)
d.CharsetReader = func(label string, input io.Reader) (io.Reader, error) {
return input, nil
}
return d.Decode(v)
}
type CompleteMultipartUpload struct {
Parts []CompletedPart `xml:"Part"`
}
type CompletedPart struct {
ETag string
PartNumber int
}