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-rw-r--r--handler.go39
1 files changed, 37 insertions, 2 deletions
diff --git a/handler.go b/handler.go
index 6c81d3e..4d2ace8 100644
--- a/handler.go
+++ b/handler.go
@@ -120,9 +120,44 @@ func getEntries(ctx context.Context, i *instance, w http.ResponseWriter, r *http
if err := request.Unpack(r); err != nil {
return http.StatusBadRequest, err
}
- glog.Infof("valid request: %v", request)
- return http.StatusOK, nil // TODO
+ trillianRequest := trillian.GetLeavesByRangeRequest{
+ LogId: i.logID,
+ StartIndex: request.Start,
+ Count: request.End - request.Start + 1,
+ }
+ trillianResponse, err := i.client.GetLeavesByRange(ctx, &trillianRequest)
+ if err != nil {
+ return http.StatusInternalServerError, fmt.Errorf("backend GetLeavesByRange request failed: %v", err)
+ }
+
+ // Santity check
+ if len(trillianResponse.Leaves) > int(request.End-request.Start+1) {
+ return http.StatusInternalServerError, fmt.Errorf("backend GetLeavesByRange returned too many leaves: %d for [%d,%d]", len(trillianResponse.Leaves), request.Start, request.End)
+ }
+ for i, leaf := range trillianResponse.Leaves {
+ if leaf.LeafIndex != request.Start+int64(i) {
+ return http.StatusInternalServerError, fmt.Errorf("backend GetLeavesByRange returned unexpected leaf index: wanted %d, got %d", request.Start+int64(i), leaf.LeafIndex)
+ }
+
+ glog.Infof("Entry(%d) => %v", request.Start+int64(i), leaf.GetLeafValue())
+ }
+ // TODO: use the returned root for tree_size santity checking against start?
+
+ w.Header().Set("Content-Type", "application/json")
+ data, err := NewGetEntriesResponse(trillianResponse.Leaves)
+ if err != nil {
+ return http.StatusInternalServerError, fmt.Errorf("failed createing GetEntriesResponse: %v", err)
+ }
+ json, err := json.Marshal(&data)
+ if err != nil {
+ return http.StatusInternalServerError, fmt.Errorf("failed json-encoding GetEntriesResponse: %v", err)
+ }
+ _, err = w.Write(json)
+ if err != nil {
+ return http.StatusInternalServerError, fmt.Errorf("failed writing get-entries response: %v", err)
+ }
+ return http.StatusOK, nil
}
// getAnchors provides a list of configured trust anchors