From 3ffbf68ab860cda74113b183813711b9294be406 Mon Sep 17 00:00:00 2001
From: Yishi Lin <yishilin14@gmail.com>
Date: Sat, 7 Apr 2018 00:17:00 +0800
Subject: [PATCH] Avoid crash during yaml parsing

---
 passKit/Models/Password.swift | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/passKit/Models/Password.swift b/passKit/Models/Password.swift
index 662286d..51f223c 100644
--- a/passKit/Models/Password.swift
+++ b/passKit/Models/Password.swift
@@ -149,7 +149,9 @@ public class Password {
         if checkDuplicatedFields(lines: fromYaml) {
             throw AppError.YamlLoadError
         }
-        let yamlFile = try Yams.load(yaml: fromYaml) as! [String: Any]
+        guard let yamlFile = try Yams.load(yaml: fromYaml) as? [String: Any] else {
+            throw AppError.YamlLoadError
+        }
         additions.append(contentsOf: yamlFile.map { ($0, String(describing: $1)) })
     }