initial commit

pkg/db/helper.go

@@ -0,0 +1,24 @@
+// Copyright (C) 2019 Marius Schellenberger
+
+package db
+
+import "crypto/sha256"
+
+// Parts taken from strings.TrimPrefix
+func hasTrimPrefix(s, prefix string) (string, bool) {
+	if len(s) >= len(prefix) && s[0:len(prefix)] == prefix {
+		return s[len(prefix):], true
+	}
+	return s, false
+}
+
+func validatePassword(pw string) (b []byte) {
+	b = []byte(pw)
+	if len(pw) <= 56 {
+		return
+	}
+	hash := sha256.New()
+	hash.Write(b)
+	b = hash.Sum(nil)
+	return
+}