From c40a95641aa2656bdb69264f1ece8d65d72ba455 Mon Sep 17 00:00:00 2001
From: anfe <448468458@qq.com>
Date: Mon, 29 Apr 2024 17:24:58 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BF=AE=E5=A4=8D=20ota=20=E9=80=89?=
 =?UTF-8?q?=E6=8B=A9=E9=94=99=E8=AF=AF=E6=96=87=E4=BB=B6=E6=B2=A1=E6=9C=89?=
 =?UTF-8?q?=E6=8F=90=E7=A4=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../lockEscalation/lockEscalation_logic.dart  | 38 ++++++++++++++++---
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/star_lock/lib/main/lockDetail/lockSet/lockEscalation/lockEscalation_logic.dart b/star_lock/lib/main/lockDetail/lockSet/lockEscalation/lockEscalation_logic.dart
index 249c884c..6203045a 100644
--- a/star_lock/lib/main/lockDetail/lockSet/lockEscalation/lockEscalation_logic.dart
+++ b/star_lock/lib/main/lockDetail/lockSet/lockEscalation/lockEscalation_logic.dart
@@ -161,24 +161,52 @@ class LockEscalationLogic extends BaseGetXController {
 
 // 检查文件头
   Future<Map?> getHeadFile(Uint8List data) async {
+    if (data.length <= 16) {
+      showToast('错误D固件，请选择正确的文件');
+      return null;
+    }
     // 检查文件头
-    String header = utf8.decode(data.sublist(0, 12));
+    String header;
+    try {
+      header = utf8.decode(data.sublist(0, 12));
+    } catch (e) {
+      showToast('非SYD固件，请选择正确的文件');
+      return null;
+    }
     if (header != 'SYD-BIN-DATA') {
       showToast('非SYD固件，请选择正确的文件');
       return null;
     }
     // 解析元数据长度
-    Uint8List metaLenList = data.sublist(12, 16);
-    int metaLen = ByteData.sublistView(metaLenList).getUint32(0);
+    Uint8List metaLenList;
+    int metaLen;
+    try {
+      metaLenList = data.sublist(12, 16);
+      metaLen = ByteData.sublistView(metaLenList).getUint32(0);
+    } catch (e) {
+      showToast('文件校验失败 0x01');
+      return null;
+    }
     if (metaLen < 2 || metaLen > 10240) {
       showToast('文件校验失败 0x01');
       return null;
     }
     // 读取和解析元数据
-    Uint8List metaStrList = data.sublist(16, 16 + metaLen);
-    String metaStr = utf8.decode(metaStrList);
+    Uint8List metaStrList;
+    String metaStr;
+    try {
+      metaStrList = data.sublist(16, 16 + metaLen);
+      metaStr = utf8.decode(metaStrList);
+    } catch (e) {
+      showToast('解析元数据失败，请选择正确的文件');
+      return null;
+    }
     AppLog.log(metaStr);
     var meta = jsonDecode(metaStr);
+    if (meta is! Map) {
+      showToast('解析元数据失败，请选择正确的文件');
+      return null;
+    }
     return meta..['metaLen'] = metaLen;
   }