add s3test for sql (#5718)

* add s3test for sql

* fix test test_bucket_listv2_delimiter_basic for s3

* fix action s3tests

* regen s3 api xsd

* rm minor s3 test test_bucket_listv2_fetchowner_defaultempty

* add docs

* without xmlns

weed/s3api/AmazonS3.xsd

@@ -525,6 +525,7 @@
       <xsd:element name="IsTruncated" type="xsd:boolean"/>
       <xsd:element name="Contents" type="tns:ListEntry" minOccurs="0" maxOccurs="unbounded"/>
       <xsd:element name="CommonPrefixes" type="tns:PrefixEntry" minOccurs="0" maxOccurs="unbounded"/>
+      <xsd:element name="EncodingType" type="xsd:string"/>
     </xsd:sequence>
   </xsd:complexType>
 

weed/s3api/README.txt

@@ -1,7 +1,7 @@
 see https://blog.aqwari.net/xml-schema-go/
 
 1. go get aqwari.net/xml/cmd/xsdgen
-2. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
-
-
-
+2. Add EncodingType element for ListBucketResult in AmazonS3.xsd
+3. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
+4. Remove empty Grantee struct in s3api_xsd_generated.go
+5. Remove xmlns: sed s'/http:\/\/s3.amazonaws.com\/doc\/2006-03-01\/\ //' s3api_xsd_generated.go

weed/s3api/s3api_bucket_handlers.go

@@ -28,12 +28,6 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 )
 
-type ListAllMyBucketsResult struct {
-	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult"`
-	Owner   *s3.Owner
-	Buckets []*s3.Bucket `xml:"Buckets>Bucket"`
-}
-
 func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
 
 	glog.V(3).Infof("ListBucketsHandler")
@@ -59,25 +53,25 @@ func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Reques
 
 	identityId := r.Header.Get(s3_constants.AmzIdentityId)
 
-	var buckets []*s3.Bucket
+	var listBuckets ListAllMyBucketsList
 	for _, entry := range entries {
 		if entry.IsDirectory {
 			if identity != nil && !identity.canDo(s3_constants.ACTION_LIST, entry.Name, "") {
 				continue
 			}
-			buckets = append(buckets, &s3.Bucket{
-				Name:         aws.String(entry.Name),
-				CreationDate: aws.Time(time.Unix(entry.Attributes.Crtime, 0).UTC()),
+			listBuckets.Bucket = append(listBuckets.Bucket, ListAllMyBucketsEntry{
+				Name:         entry.Name,
+				CreationDate: time.Unix(entry.Attributes.Crtime, 0).UTC(),
 			})
 		}
 	}
 
 	response = ListAllMyBucketsResult{
-		Owner: &s3.Owner{
-			ID:          aws.String(identityId),
-			DisplayName: aws.String(identityId),
+		Owner: CanonicalUser{
+			ID:          identityId,
+			DisplayName: identityId,
 		},
-		Buckets: buckets,
+		Buckets: listBuckets,
 	}
 
 	writeSuccessResponseXML(w, r, response)
@@ -487,7 +481,7 @@ func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *h
 // GetBucketLocationHandler Get bucket location
 // https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLocation.html
 func (s3a *S3ApiServer) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
-	writeSuccessResponseXML(w, r, LocationConstraint{})
+	writeSuccessResponseXML(w, r, CreateBucketConfiguration{})
 }
 
 // GetBucketRequestPaymentHandler Get bucket location

weed/s3api/s3api_bucket_handlers_test.go

@@ -4,37 +4,34 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"testing"
 	"time"
-
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/aws/aws-sdk-go/service/s3"
 )
 
 func TestListBucketsHandler(t *testing.T) {
 
 	expected := `<?xml version="1.0" encoding="UTF-8"?>
-<ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Owner><DisplayName></DisplayName><ID></ID></Owner><Buckets><Bucket><CreationDate>2011-04-09T12:34:49Z</CreationDate><Name>test1</Name></Bucket><Bucket><CreationDate>2011-02-09T12:34:49Z</CreationDate><Name>test2</Name></Bucket></Buckets></ListAllMyBucketsResult>`
+<ListAllMyBucketsResult><Owner><ID></ID></Owner><Buckets><Bucket><Name>test1</Name><CreationDate>2011-04-09T12:34:49Z</CreationDate></Bucket><Bucket><Name>test2</Name><CreationDate>2011-02-09T12:34:49Z</CreationDate></Bucket></Buckets></ListAllMyBucketsResult>`
 	var response ListAllMyBucketsResult
 
-	var buckets []*s3.Bucket
-	buckets = append(buckets, &s3.Bucket{
-		Name:         aws.String("test1"),
-		CreationDate: aws.Time(time.Date(2011, 4, 9, 12, 34, 49, 0, time.UTC)),
+	var bucketsList ListAllMyBucketsList
+	bucketsList.Bucket = append(bucketsList.Bucket, ListAllMyBucketsEntry{
+		Name:         "test1",
+		CreationDate: time.Date(2011, 4, 9, 12, 34, 49, 0, time.UTC),
 	})
-	buckets = append(buckets, &s3.Bucket{
-		Name:         aws.String("test2"),
-		CreationDate: aws.Time(time.Date(2011, 2, 9, 12, 34, 49, 0, time.UTC)),
+	bucketsList.Bucket = append(bucketsList.Bucket, ListAllMyBucketsEntry{
+		Name:         "test2",
+		CreationDate: time.Date(2011, 2, 9, 12, 34, 49, 0, time.UTC),
 	})
 
 	response = ListAllMyBucketsResult{
-		Owner: &s3.Owner{
-			ID:          aws.String(""),
-			DisplayName: aws.String(""),
+		Owner: CanonicalUser{
+			ID:          "",
+			DisplayName: "",
 		},
-		Buckets: buckets,
+		Buckets: bucketsList,
 	}
 
 	encoded := string(s3err.EncodeXMLResponse(response))
 	if encoded != expected {
-		t.Errorf("unexpected output: %s\nexpecting:%s", encoded, expected)
+		t.Errorf("unexpected output:%s\nexpecting:%s", encoded, expected)
 	}
 }

weed/s3api/s3api_object_handlers.go

@@ -3,6 +3,8 @@ package s3api
 import (
 	"bytes"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"io"
 	"net/http"
 	"net/url"
@@ -35,10 +37,17 @@ func urlEscapeObject(object string) string {
 	return "/" + t
 }
 
+func entryUrlEncode(dir string, entry string, encodingTypeUrl bool) (dirName string, entryName string, prefix string) {
+	if !encodingTypeUrl {
+		return dir, entry, entry
+	}
+	return urlPathEscape(dir), url.QueryEscape(entry), urlPathEscape(entry)
+}
+
 func urlPathEscape(object string) string {
 	var escapedParts []string
 	for _, part := range strings.Split(object, "/") {
-		escapedParts = append(escapedParts, url.PathEscape(part))
+		escapedParts = append(escapedParts, strings.ReplaceAll(url.PathEscape(part), "+", "%2B"))
 	}
 	return strings.Join(escapedParts, "/")
 }
@@ -63,6 +72,37 @@ func removeDuplicateSlashes(object string) string {
 	return result.String()
 }
 
+func newListEntry(entry *filer_pb.Entry, key string, dir string, name string, bucketPrefix string, fetchOwner bool, isDirectory bool, encodingTypeUrl bool) (listEntry ListEntry) {
+	storageClass := "STANDARD"
+	if v, ok := entry.Extended[s3_constants.AmzStorageClass]; ok {
+		storageClass = string(v)
+	}
+	keyFormat := "%s/%s"
+	if isDirectory {
+		keyFormat += "/"
+	}
+	if key == "" {
+		key = fmt.Sprintf(keyFormat, dir, name)[len(bucketPrefix):]
+	}
+	if encodingTypeUrl {
+		key = urlPathEscape(key)
+	}
+	listEntry = ListEntry{
+		Key:          key,
+		LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
+		ETag:         "\"" + filer.ETag(entry) + "\"",
+		Size:         int64(filer.FileSize(entry)),
+		StorageClass: StorageClass(storageClass),
+	}
+	if fetchOwner {
+		listEntry.Owner = CanonicalUser{
+			ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
+			DisplayName: entry.Attributes.UserName,
+		}
+	}
+	return listEntry
+}
+
 func (s3a *S3ApiServer) toFilerUrl(bucket, object string) string {
 	object = urlPathEscape(removeDuplicateSlashes(object))
 	destUrl := fmt.Sprintf("http://%s%s/%s%s",

weed/s3api/s3api_object_handlers_list.go

@@ -4,33 +4,44 @@ import (
 	"context"
 	"encoding/xml"
 	"fmt"
+	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"io"
 	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
-	"time"
-
-	"github.com/seaweedfs/seaweedfs/weed/filer"
-	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
-	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 )
 
+type OptionalString struct {
+	string
+	set bool
+}
+
+func (o OptionalString) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if !o.set {
+		return nil
+	}
+	return e.EncodeElement(o.string, startElement)
+}
+
 type ListBucketResultV2 struct {
-	XMLName               xml.Name      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult"`
-	Name                  string        `xml:"Name"`
-	Prefix                string        `xml:"Prefix"`
-	MaxKeys               int           `xml:"MaxKeys"`
-	Delimiter             string        `xml:"Delimiter,omitempty"`
-	IsTruncated           bool          `xml:"IsTruncated"`
-	Contents              []ListEntry   `xml:"Contents,omitempty"`
-	CommonPrefixes        []PrefixEntry `xml:"CommonPrefixes,omitempty"`
-	ContinuationToken     string        `xml:"ContinuationToken,omitempty"`
-	NextContinuationToken string        `xml:"NextContinuationToken,omitempty"`
-	KeyCount              int           `xml:"KeyCount"`
-	StartAfter            string        `xml:"StartAfter,omitempty"`
+	XMLName               xml.Name       `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult"`
+	Name                  string         `xml:"Name"`
+	Prefix                string         `xml:"Prefix"`
+	MaxKeys               uint16         `xml:"MaxKeys"`
+	Delimiter             string         `xml:"Delimiter,omitempty"`
+	IsTruncated           bool           `xml:"IsTruncated"`
+	Contents              []ListEntry    `xml:"Contents,omitempty"`
+	CommonPrefixes        []PrefixEntry  `xml:"CommonPrefixes,omitempty"`
+	ContinuationToken     OptionalString `xml:"ContinuationToken,omitempty"`
+	NextContinuationToken string         `xml:"NextContinuationToken,omitempty"`
+	EncodingType          string         `xml:"EncodingType,omitempty"`
+	KeyCount              int            `xml:"KeyCount"`
+	StartAfter            string         `xml:"StartAfter,omitempty"`
 }
 
 func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Request) {
@@ -41,19 +52,19 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 	bucket, _ := s3_constants.GetBucketAndObject(r)
 	glog.V(3).Infof("ListObjectsV2Handler %s", bucket)
 
-	originalPrefix, continuationToken, startAfter, delimiter, _, maxKeys := getListObjectsV2Args(r.URL.Query())
+	originalPrefix, startAfter, delimiter, continuationToken, encodingTypeUrl, fetchOwner, maxKeys := getListObjectsV2Args(r.URL.Query())
 
 	if maxKeys < 0 {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxKeys)
 		return
 	}
 
-	marker := continuationToken
-	if continuationToken == "" {
+	marker := continuationToken.string
+	if !continuationToken.set {
 		marker = startAfter
 	}
 
-	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter)
+	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter, encodingTypeUrl, fetchOwner)
 
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
@@ -68,7 +79,6 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 	}
 
 	responseV2 := &ListBucketResultV2{
-		XMLName:               response.XMLName,
 		Name:                  response.Name,
 		CommonPrefixes:        response.CommonPrefixes,
 		Contents:              response.Contents,
@@ -76,11 +86,14 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 		Delimiter:             response.Delimiter,
 		IsTruncated:           response.IsTruncated,
 		KeyCount:              len(response.Contents) + len(response.CommonPrefixes),
-		MaxKeys:               response.MaxKeys,
+		MaxKeys:               uint16(response.MaxKeys),
 		NextContinuationToken: response.NextMarker,
 		Prefix:                response.Prefix,
 		StartAfter:            startAfter,
 	}
+	if encodingTypeUrl {
+		responseV2.EncodingType = s3.EncodingTypeUrl
+	}
 
 	writeSuccessResponseXML(w, r, responseV2)
 }
@@ -93,14 +106,13 @@ func (s3a *S3ApiServer) ListObjectsV1Handler(w http.ResponseWriter, r *http.Requ
 	bucket, _ := s3_constants.GetBucketAndObject(r)
 	glog.V(3).Infof("ListObjectsV1Handler %s", bucket)
 
-	originalPrefix, marker, delimiter, maxKeys := getListObjectsV1Args(r.URL.Query())
+	originalPrefix, marker, delimiter, encodingTypeUrl, maxKeys := getListObjectsV1Args(r.URL.Query())
 
 	if maxKeys < 0 {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxKeys)
 		return
 	}
-
-	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter)
+	response, err := s3a.listFilerEntries(bucket, originalPrefix, uint16(maxKeys), marker, delimiter, encodingTypeUrl, true)
 
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
@@ -117,7 +129,7 @@ func (s3a *S3ApiServer) ListObjectsV1Handler(w http.ResponseWriter, r *http.Requ
 	writeSuccessResponseXML(w, r, response)
 }
 
-func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, maxKeys int, originalMarker string, delimiter string) (response ListBucketResult, err error) {
+func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, maxKeys uint16, originalMarker string, delimiter string, encodingTypeUrl bool, fetchOwner bool) (response ListBucketResult, err error) {
 	// convert full path prefix into directory name and prefix for entry name
 	requestDir, prefix, marker := normalizePrefixMarker(originalPrefix, originalMarker)
 	bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
@@ -141,23 +153,15 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 			empty := true
 			nextMarker, doErr = s3a.doListFilerEntries(client, reqDir, prefix, cursor, marker, delimiter, false, func(dir string, entry *filer_pb.Entry) {
 				empty = false
+				dirName, entryName, prefixName := entryUrlEncode(dir, entry.Name, encodingTypeUrl)
 				if entry.IsDirectory {
 					if entry.IsDirectoryKeyObject() {
-						contents = append(contents, ListEntry{
-							Key:          fmt.Sprintf("%s/%s/", dir, entry.Name)[len(bucketPrefix):],
-							LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
-							ETag:         "\"" + filer.ETag(entry) + "\"",
-							Owner: CanonicalUser{
-								ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
-								DisplayName: entry.Attributes.UserName,
-							},
-							StorageClass: "STANDARD",
-						})
+						contents = append(contents, newListEntry(entry, "", dirName, entryName, bucketPrefix, fetchOwner, true, false))
 						cursor.maxKeys--
 						// https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListObjectsV2.html
 					} else if delimiter == "/" { // A response can contain CommonPrefixes only if you specify a delimiter.
 						commonPrefixes = append(commonPrefixes, PrefixEntry{
-							Prefix: fmt.Sprintf("%s/%s/", dir, entry.Name)[len(bucketPrefix):],
+							Prefix: fmt.Sprintf("%s/%s/", dirName, prefixName)[len(bucketPrefix):],
 						})
 						//All of the keys (up to 1,000) rolled up into a common prefix count as a single return when calculating the number of returns.
 						cursor.maxKeys--
@@ -195,21 +199,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 						}
 					}
 					if !delimiterFound {
-						storageClass := "STANDARD"
-						if v, ok := entry.Extended[s3_constants.AmzStorageClass]; ok {
-							storageClass = string(v)
-						}
-						contents = append(contents, ListEntry{
-							Key:          fmt.Sprintf("%s/%s", dir, entry.Name)[len(bucketPrefix):],
-							LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
-							ETag:         "\"" + filer.ETag(entry) + "\"",
-							Size:         int64(filer.FileSize(entry)),
-							Owner: CanonicalUser{
-								ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
-								DisplayName: entry.Attributes.UserName,
-							},
-							StorageClass: StorageClass(storageClass),
-						})
+						contents = append(contents, newListEntry(entry, "", dirName, entryName, bucketPrefix, fetchOwner, false, false))
 						cursor.maxKeys--
 					}
 				}
@@ -237,13 +227,17 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 			Prefix:         originalPrefix,
 			Marker:         originalMarker,
 			NextMarker:     nextMarker,
-			MaxKeys:        maxKeys,
+			MaxKeys:        int(maxKeys),
 			Delimiter:      delimiter,
 			IsTruncated:    cursor.isTruncated,
 			Contents:       contents,
 			CommonPrefixes: commonPrefixes,
 		}
-
+		if encodingTypeUrl {
+			// Todo used for pass test_bucket_listv2_encoding_basic
+			// sort.Slice(response.CommonPrefixes, func(i, j int) bool { return response.CommonPrefixes[i].Prefix < response.CommonPrefixes[j].Prefix })
+			response.EncodingType = s3.EncodingTypeUrl
+		}
 		return nil
 	})
 
@@ -251,7 +245,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 }
 
 type ListingCursor struct {
-	maxKeys               int
+	maxKeys               uint16
 	isTruncated           bool
 	prefixEndsOnDelimiter bool
 }
@@ -434,13 +428,16 @@ func (s3a *S3ApiServer) doListFilerEntries(client filer_pb.SeaweedFilerClient, d
 	return
 }
 
-func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimiter string, fetchOwner bool, maxkeys int) {
+func getListObjectsV2Args(values url.Values) (prefix, startAfter, delimiter string, token OptionalString, encodingTypeUrl bool, fetchOwner bool, maxkeys uint16) {
 	prefix = values.Get("prefix")
-	token = values.Get("continuation-token")
+	token = OptionalString{set: values.Has("continuation-token"), string: values.Get("continuation-token")}
 	startAfter = values.Get("start-after")
 	delimiter = values.Get("delimiter")
+	encodingTypeUrl = values.Get("encoding-type") == s3.EncodingTypeUrl
 	if values.Get("max-keys") != "" {
-		maxkeys, _ = strconv.Atoi(values.Get("max-keys"))
+		if maxKeys, err := strconv.ParseUint(values.Get("max-keys"), 10, 16); err == nil {
+			maxkeys = uint16(maxKeys)
+		}
 	} else {
 		maxkeys = maxObjectListSizeLimit
 	}
@@ -448,12 +445,15 @@ func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimit
 	return
 }
 
-func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, maxkeys int) {
+func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, encodingTypeUrl bool, maxkeys int16) {
 	prefix = values.Get("prefix")
 	marker = values.Get("marker")
 	delimiter = values.Get("delimiter")
+	encodingTypeUrl = values.Get("encoding-type") == "url"
 	if values.Get("max-keys") != "" {
-		maxkeys, _ = strconv.Atoi(values.Get("max-keys"))
+		if maxKeys, err := strconv.ParseInt(values.Get("max-keys"), 10, 16); err == nil {
+			maxkeys = int16(maxKeys)
+		}
 	} else {
 		maxkeys = maxObjectListSizeLimit
 	}

weed/s3api/s3api_object_handlers_list_test.go

@@ -12,7 +12,7 @@ func TestListObjectsHandler(t *testing.T) {
 	// https://docs.aws.amazon.com/AmazonS3/latest/API/v2-RESTBucketGET.html
 
 	expected := `<?xml version="1.0" encoding="UTF-8"?>
-<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Name>test_container</Name><Prefix></Prefix><Marker></Marker><MaxKeys>1000</MaxKeys><IsTruncated>false</IsTruncated><Contents><Key>1.zip</Key><ETag>&#34;4397da7a7649e8085de9916c240e8166&#34;</ETag><Size>1234567</Size><Owner><ID>65a011niqo39cdf8ec533ec3d1ccaafsa932</ID></Owner><StorageClass>STANDARD</StorageClass><LastModified>2011-04-09T12:34:49Z</LastModified></Contents></ListBucketResult>`
+<ListBucketResult><Name>test_container</Name><Prefix></Prefix><Marker></Marker><MaxKeys>1000</MaxKeys><IsTruncated>false</IsTruncated><Contents><Key>1.zip</Key><ETag>&#34;4397da7a7649e8085de9916c240e8166&#34;</ETag><Size>1234567</Size><Owner><ID>65a011niqo39cdf8ec533ec3d1ccaafsa932</ID></Owner><StorageClass>STANDARD</StorageClass><LastModified>2011-04-09T12:34:49Z</LastModified></Contents><EncodingType></EncodingType></ListBucketResult>`
 
 	response := ListBucketResult{
 		Name:        "test_container",

weed/s3api/s3api_xsd_generated_helper.go

@@ -0,0 +1,10 @@
+package s3api
+
+type Grantee struct {
+	XMLNS       string `xml:"xmlns:xsi,attr"`
+	XMLXSI      string `xml:"xsi:type,attr"`
+	Type        string `xml:"Type"`
+	ID          string `xml:"ID,omitempty"`
+	DisplayName string `xml:"DisplayName,omitempty"`
+	URI         string `xml:"URI,omitempty"`
+}