add list all my buckets

weed/s3api/s3api_bucket_handlers.go

@@ -0,0 +1,58 @@
+package s3api
+
+import (
+	"net/http"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"time"
+	"context"
+	"fmt"
+)
+
+func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
+
+	var response ListAllMyBucketsResponse
+	err := s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+
+		request := &filer_pb.ListEntriesRequest{
+			Directory: "/buckets",
+		}
+
+		glog.V(4).Infof("read directory: %v", request)
+		resp, err := client.ListEntries(context.Background(), request)
+		if err != nil {
+			return fmt.Errorf("list buckets: %v", err)
+		}
+
+		var buckets []ListAllMyBucketsEntry
+		for _, entry := range resp.Entries {
+			if entry.IsDirectory {
+				buckets = append(buckets, ListAllMyBucketsEntry{
+					Name:         entry.Name,
+					CreationDate: time.Unix(entry.Attributes.Crtime, 0),
+				})
+			}
+		}
+
+		response = ListAllMyBucketsResponse{
+			ListAllMyBucketsResponse: ListAllMyBucketsResult{
+				Owner: CanonicalUser{
+					ID:          "",
+					DisplayName: "",
+				},
+				Buckets: ListAllMyBucketsList{
+					Bucket: buckets,
+				},
+			},
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		writeErrorResponse(w, ErrInternalError, r.URL)
+		return
+	}
+
+	writeSuccessResponseXML(w, encodeResponse(response))
+}