add ownership rest apis (#3765)

weed/s3api/s3api_acp.go

@@ -0,0 +1,28 @@
+package s3api
+
+import (
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
+	"net/http"
+)
+
+func getAccountId(r *http.Request) string {
+	id := r.Header.Get(s3_constants.AmzAccountId)
+	if len(id) == 0 {
+		return AccountAnonymous.Id
+	} else {
+		return id
+	}
+}
+
+func (s3a *S3ApiServer) checkAccessByOwnership(r *http.Request, bucket string) s3err.ErrorCode {
+	metadata, errCode := s3a.bucketRegistry.GetBucketMetadata(bucket)
+	if errCode != s3err.ErrNone {
+		return errCode
+	}
+	accountId := getAccountId(r)
+	if accountId == AccountAdmin.Id || accountId == *metadata.Owner.ID {
+		return s3err.ErrNone
+	}
+	return s3err.ErrAccessDenied
+}