powershell invoke-webrequest 登录网站 [英] powershell invoke-webrequest to log into website

问题描述

我使用 invoke-webrequest 登录网站取得了很多成功，但我很困惑.我正在尝试登录 https://ctslink.com 或 https://direct.ctslink.com.登录表单有一个隐藏的令牌字段，每次我尝试登录时都会更改，我相信这是导致问题的原因.我注意到的另一件事是会话变量 $fb 在第一次调用 invoke-webrequest 后为空.

I have been having a lot of success using invoke-webrequest to log in to websites but I'm stumped. I am trying to log into https:// ctslink.com or https:// direct.ctslink.com. The login form has a hidden token field which changes every time I try to login, I believe is what is causing the problem. Another thing I noticed was the session variable $fb is null after the first call to invoke-webrequest.

$r=Invoke-WebRequest www.ctslink.com -SessionVariable $fb

$form = $r.Forms[0]


$form.Fields["userId"] = "MyUsername"
$form.Fields["passwd"] = "MyPassword"

$r=Invoke-WebRequest 'https://ctslink.com/login.do' -WebSession $fb  -Body $form.Fields 

任何帮助将不胜感激，迈克

Any help would be greatly appreciated, Mike

推荐答案

不要为会话变量参数添加 $.试试这个 -

Don't put a $ for the session variable argument. Try this -

$c = $host.UI.PromptForCredential('Your Credentials', 'Enter Credentials', '', '')
$r = Invoke-WebRequest 'http://1.2.3.4/' -SessionVariable my_session
$form = $r.Forms[0]
$form.fields['username'] = $c.UserName
$form.fields['password'] = $c.GetNetworkCredential().Password
$r = Invoke-WebRequest -Uri ('http://1.2.3.4' + $form.Action) -WebSession $my_session -Method POST -Body $form.Fields

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