Merge pull request #1612 from taozix/master

add owner attr for bucket.

weed/s3api/auth_credentials.go

@@ -3,10 +3,11 @@ package s3api
 import (
 	"bytes"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"io/ioutil"
 	"net/http"
 
+	xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"github.com/golang/protobuf/jsonpb"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
@@ -127,8 +128,11 @@ func (iam *IdentityAccessManagement) Auth(f http.HandlerFunc, action Action) htt
 	}
 
 	return func(w http.ResponseWriter, r *http.Request) {
-		errCode := iam.authRequest(r, action)
+		identity, errCode := iam.authRequest(r, action)
 		if errCode == s3err.ErrNone {
+			if identity != nil && identity.Name != "" {
+				r.Header.Set(xhttp.AmzIdentityId, identity.Name)
+			}
 			f(w, r)
 			return
 		}
@@ -137,16 +141,16 @@ func (iam *IdentityAccessManagement) Auth(f http.HandlerFunc, action Action) htt
 }
 
 // check whether the request has valid access keys
-func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action) s3err.ErrorCode {
+func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action) (*Identity, s3err.ErrorCode) {
 	var identity *Identity
 	var s3Err s3err.ErrorCode
 	var found bool
 	switch getRequestAuthType(r) {
 	case authTypeStreamingSigned:
-		return s3err.ErrNone
+		return identity, s3err.ErrNone
 	case authTypeUnknown:
 		glog.V(3).Infof("unknown auth type")
-		return s3err.ErrAccessDenied
+		return identity, s3err.ErrAccessDenied
 	case authTypePresignedV2, authTypeSignedV2:
 		glog.V(3).Infof("v2 auth type")
 		identity, s3Err = iam.isReqAuthenticatedV2(r)
@@ -155,22 +159,22 @@ func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action)
 		identity, s3Err = iam.reqSignatureV4Verify(r)
 	case authTypePostPolicy:
 		glog.V(3).Infof("post policy auth type")
-		return s3err.ErrNone
+		return identity, s3err.ErrNone
 	case authTypeJWT:
 		glog.V(3).Infof("jwt auth type")
-		return s3err.ErrNotImplemented
+		return identity, s3err.ErrNotImplemented
 	case authTypeAnonymous:
 		identity, found = iam.lookupAnonymous()
 		if !found {
-			return s3err.ErrAccessDenied
+			return identity, s3err.ErrAccessDenied
 		}
 	default:
-		return s3err.ErrNotImplemented
+		return identity, s3err.ErrNotImplemented
 	}
 
 	glog.V(3).Infof("auth error: %v", s3Err)
 	if s3Err != s3err.ErrNone {
-		return s3Err
+		return identity, s3Err
 	}
 
 	glog.V(3).Infof("user name: %v actions: %v", identity.Name, identity.Actions)
@@ -178,10 +182,10 @@ func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action)
 	bucket, _ := getBucketAndObject(r)
 
 	if !identity.canDo(action, bucket) {
-		return s3err.ErrAccessDenied
+		return identity, s3err.ErrAccessDenied
 	}
 
-	return s3err.ErrNone
+	return identity, s3err.ErrNone
 
 }
 

weed/s3api/http/header.go

@@ -28,3 +28,8 @@ const (
 	AmzObjectTagging = "X-Amz-Tagging"
 	AmzTagCount      = "x-amz-tagging-count"
 )
+
+// Non-Standard S3 HTTP request constants
+const (
+	AmzIdentityId = "x-amz-identity-id"
+)

weed/s3api/s3api_bucket_handlers.go

@@ -4,11 +4,13 @@ import (
 	"context"
 	"encoding/xml"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"math"
 	"net/http"
 	"time"
 
+	xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
+
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/s3"
 
@@ -33,9 +35,16 @@ func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Reques
 		return
 	}
 
+	identityId := r.Header.Get(xhttp.AmzIdentityId)
+
 	var buckets []*s3.Bucket
 	for _, entry := range entries {
 		if entry.IsDirectory {
+			if id, ok := entry.Extended[xhttp.AmzIdentityId]; ok {
+				if identityId != string(id) {
+					continue
+				}
+			}
 			buckets = append(buckets, &s3.Bucket{
 				Name:         aws.String(entry.Name),
 				CreationDate: aws.Time(time.Unix(entry.Attributes.Crtime, 0).UTC()),
@@ -45,8 +54,8 @@ func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Reques
 
 	response = ListAllMyBucketsResult{
 		Owner: &s3.Owner{
-			ID:          aws.String(""),
+			ID:          aws.String(identityId),
-			DisplayName: aws.String(""),
+			DisplayName: aws.String(identityId),
 		},
 		Buckets: buckets,
 	}
@@ -80,13 +89,25 @@ func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request)
 		writeErrorResponse(w, s3err.ErrInternalError, r.URL)
 		return
 	}
+	if exist, err := s3a.exists(s3a.option.BucketsPath, bucket, true); err == nil && exist {
+		errCode = s3err.ErrBucketAlreadyExists
+	}
 	if errCode != s3err.ErrNone {
 		writeErrorResponse(w, errCode, r.URL)
 		return
 	}
 
+	fn := func(entry *filer_pb.Entry) {
+		if identityId := r.Header.Get(xhttp.AmzIdentityId); identityId != "" {
+			if entry.Extended == nil {
+				entry.Extended = make(map[string][]byte)
+			}
+			entry.Extended[xhttp.AmzIdentityId] = []byte(identityId)
+		}
+	}
+
 	// create the folder for bucket, but lazily create actual collection
-	if err := s3a.mkdir(s3a.option.BucketsPath, bucket, nil); err != nil {
+	if err := s3a.mkdir(s3a.option.BucketsPath, bucket, fn); err != nil {
 		glog.Errorf("PutBucketHandler mkdir: %v", err)
 		writeErrorResponse(w, s3err.ErrInternalError, r.URL)
 		return