prep admin to support multiple keys, per aud (siteID)

backend/_example/memory_store/server/admin.go

@@ -15,8 +15,13 @@ import (
 )
 
 // get admin key
-func (s *RPC) admKeyHndl(id uint64, _ json.RawMessage) (rr jrpc.Response) {
-	key, err := s.adm.Key()
+func (s *RPC) admKeyHndl(id uint64, params json.RawMessage) (rr jrpc.Response) {
+	var siteID string
+	if err := json.Unmarshal(params, &siteID); err != nil {
+		return jrpc.Response{Error: err.Error()}
+	}
+
+	key, err := s.adm.Key(siteID)
 	if err != nil {
 		return jrpc.Response{Error: err.Error()}
 	}

backend/_example/memory_store/server/admin_test.go

@@ -24,7 +24,7 @@ func TestRPC_admKeyHndl(t *testing.T) {
 	api := fmt.Sprintf("http://localhost:%d/test", port)
 
 	ra := admin.RPC{Client: jrpc.Client{API: api, Client: http.Client{Timeout: 1 * time.Second}}}
-	key, err := ra.Key()
+	key, err := ra.Key("any")
 	assert.NoError(t, err)
 	assert.Equal(t, "secret", key)
 }