Add caching

This is the whole reason the project exists.

diff --git a/passage.go b/passage.go
index c470ea4edf0b64e7131d9579c0cb72683425d403..8df11c675fb29cb477375d52947cf8f5574d06c2 100644 (file)
--- a/passage.go
+++ b/passage.go
@@ -16,7 +16,10 @@ type Request struct {
        Service string
 }
 
+var cache map[string][]byte
+
 func main() {
+       cache = make(map[string][]byte)
        path := getSockPath()
        syscall.Umask(0077)
        listener, err := net.Listen("unix", path)
@@ -62,6 +65,16 @@ func handleConnection(conn net.Conn) {
                return
        }
 
+       cache_key, err := json.Marshal(request)
+       if err != nil {
+               log.Fatal(err)
+       }
+       if cached, exists := cache[string(cache_key)]; exists {
+               conn.Write(cached)
+               log.Print("Wrote result from cache")
+               return
+       }
+
        query := keychain.NewItem()
        query.SetSecClass(keychain.SecClassGenericPassword)
        query.SetService(request.Service)
@@ -74,7 +87,9 @@ func handleConnection(conn net.Conn) {
        } else if len(results) != 1 {
                log.Print("Item not found")
        } else {
-               conn.Write(results[0].Data)
-               log.Print("Wrote")
+               password := results[0].Data
+               conn.Write(password)
+               cache[string(cache_key)] = password
+               log.Print("Wrote result from keychain")
        }
 }