From 2975e5771657c8b7ff01afce2af7307b4819ff68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=89=AF?= <841369634@qq.com>
Date: Wed, 11 Sep 2024 16:28:05 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=86=E4=B8=8B=E8=BD=BD=E7=9A=84=20pac.txt?=
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---
 .../src/lib/proxy/middleware/overwall.js      | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/packages/mitmproxy/src/lib/proxy/middleware/overwall.js b/packages/mitmproxy/src/lib/proxy/middleware/overwall.js
index 24373d4..450b710 100644
--- a/packages/mitmproxy/src/lib/proxy/middleware/overwall.js
+++ b/packages/mitmproxy/src/lib/proxy/middleware/overwall.js
@@ -37,11 +37,43 @@ function getTmpPacFilePath () {
   return path.join(getUserBasePath(), '/pac.txt')
 }
 
+function loadPacLastModifiedTime (pacTxt) {
+  const matched = pacTxt.match(/(?<=! Last Modified: )[^\n]+/g)
+  if (matched && matched.length > 0) {
+    try {
+      return new Date(matched[0])
+    } catch (ignore) {
+      return null
+    }
+  }
+}
+
 // 保存 pac 内容到 `~/pac.txt` 文件中
 function savePacFile (pacTxt) {
   const pacFilePath = getTmpPacFilePath()
   fs.writeFileSync(pacFilePath, pacTxt)
   log.info('保存 pac.txt 文件成功:', pacFilePath)
+
+  // 尝试解析和修改 pac.txt 文件时间
+  const lastModifiedTime = loadPacLastModifiedTime(pacTxt)
+  if (lastModifiedTime) {
+    fs.stat(pacFilePath, (err, stats) => {
+      if (err) {
+        log.error('修改 pac.txt 文件时间失败:', err)
+        return
+      }
+
+      // 修改文件的访问时间和修改时间为当前时间
+      fs.utimes(pacFilePath, lastModifiedTime, lastModifiedTime, (utimesErr) => {
+        if (utimesErr) {
+          log.error('修改 pac.txt 文件时间失败:', utimesErr)
+        } else {
+          log.info(`${pacFilePath} 文件时间已被修改其最近更新时间 '${lastModifiedTime}'`)
+        }
+      })
+    })
+  }
+
   return pacFilePath
 }