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我正在创建一个 Excel Vbs 脚本，该脚本使用 Forms 身份验证连接到 ASP.Net 应用程序。连接工作正常，问题是我无法从中提取 .ASPXAUTH cookie。这是脚本：

Sub GetAspCookie()

Dim objXmlHttpMain, URL
Dim strJSONToSend As String
strJSONToSend = "{""Username"":""myuser"",""Password"":""mypassword""}"

URL = "http://localhost/MySite/Account/Login"
Set objXmlHttpMain = CreateObject("WinHttp.WinHttpRequest.5.1")

On Error Resume Next
objXmlHttpMain.Open "POST", URL, False
objXmlHttpMain.SetRequestHeader "Connection", "Keep-Alive"
objXmlHttpMain.SetRequestHeader "Content-Type", "application/json"

objXmlHttpMain.Send (strJSONToSend)

strHeaders = objXmlHttpMain.GetAllResponseHeaders()

MsgBox strHeaders

'Both attempts below return empty cookie    
'strCookie = objXmlHttpMain.GetResponseHeader("Cookie")
'strCookie = objXmlHttpMain.GetResponseHeader("Set-Cookie")

If Err Then            'handle errors
  WScript.Echo Err.Description & " [0x" & Hex(Err.Number) & "]"
  WScript.Quit 1
End If
On Error GoTo 0

End Sub

这是我的 vbs 消息窗口中显示的响应标头：vbs 响应头

奇怪的是，当我从 POSTMAN 执行相同的 POST 时，我得到这个响应，其中包含Set-Cookie内的 .ASPXAUTH cookie ：

HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=utf-8
Location: /MySite/Home/Index
Server: Microsoft-IIS/10.0
X-StackifyID: V1|b4e46c31-4679-4688-ae56-743d63cdc6fd|
X-AspNetMvc-Version: 5.2
X-AspNet-Version: 4.0.30319
Set-Cookie: .ASPXAUTH=4D423446F2578F5BC081006964A3909A4218E36C4D0A8E0F00D60D005606611F8783E2CBC0206438ABD603F08D1333C6E19C9AE3E92EB06580EFC19A43D31F4484F6534E598C7CB630DE3CA001BB4B3BBED300209EC103BCCA3E3ABA5AD3EC922D345CBC2135E4E6649056631C283EE3EF89A871D9DC7B3B...; path=/
X-Powered-By: ASP.NET
Date: Tue, 10 Apr 2018 22:22:44 GMT
Content-Length: 454

为什么我的 WinHttpRequest 没有返回 Set-Cookie 响应标头？

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