add list all my buckets

weed/s3api/s3api_handlers.go

@@ -0,0 +1,67 @@
+package s3api
+
+import (
+	"net/http"
+	"net/url"
+	"fmt"
+	"time"
+	"github.com/gorilla/mux"
+	"context"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
+)
+
+func newContext(r *http.Request, api string) context.Context {
+	vars := mux.Vars(r)
+	return context.WithValue(context.Background(), "bucket", vars["bucket"])
+}
+
+func (s3a *S3ApiServer) withFilerClient(fn func(filer_pb.SeaweedFilerClient) error) error {
+
+	grpcConnection, err := util.GrpcDial(s3a.option.FilerGrpcAddress)
+	if err != nil {
+		return fmt.Errorf("fail to dial %s: %v", s3a.option.FilerGrpcAddress, err)
+	}
+	defer grpcConnection.Close()
+
+	client := filer_pb.NewSeaweedFilerClient(grpcConnection)
+
+	return fn(client)
+}
+
+// If none of the http routes match respond with MethodNotAllowed
+func notFoundHandler(w http.ResponseWriter, r *http.Request) {
+	writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
+}
+
+func writeErrorResponse(w http.ResponseWriter, errorCode ErrorCode, reqURL *url.URL) {
+	apiError := getAPIError(errorCode)
+	errorResponse := getRESTErrorResponse(apiError, reqURL.Path)
+	encodedErrorResponse := encodeResponse(errorResponse)
+	writeResponse(w, apiError.HTTPStatusCode, encodedErrorResponse, mimeXML)
+}
+
+func getRESTErrorResponse(err APIError, resource string) RESTErrorResponse {
+	return RESTErrorResponse{
+		Code:      err.Code,
+		Message:   err.Description,
+		Resource:  resource,
+		RequestID: fmt.Sprintf("%d", time.Now().UnixNano()),
+	}
+}
+
+func writeResponse(w http.ResponseWriter, statusCode int, response []byte, mType mimeType) {
+	setCommonHeaders(w)
+	if mType != mimeNone {
+		w.Header().Set("Content-Type", string(mType))
+	}
+	w.WriteHeader(statusCode)
+	if response != nil {
+		w.Write(response)
+		w.(http.Flusher).Flush()
+	}
+}
+
+func writeSuccessResponseXML(w http.ResponseWriter, response []byte) {
+	writeResponse(w, http.StatusOK, response, mimeXML)
+}