在 ASP MVC 5 项目中，RequestVerificationToken 未识别/或由 JMeter 分配给变量 [英] RequestVerificationToken is not idetifying/or getting assigned to variable by JMeter in a ASP MVC 5 Project
问题描述
我目前需要对 Web 解决方案进行负载测试，这需要在主页(欢迎页面)中进行用户身份验证.
当我在 FireFox 中使用 FireBug 寻找与登录凭据一起传递的 POST SignIn 参数时，我发现 Password、TenantName、UserName、__RequestVerificationToken 是与成功登录的值一起传递的参数.
I am currently in a need of a Load test for a web-solution, which requires for a user authentication in Homepage (Welcome Page).
When I seek for the POST SignIn parameters which are passing along with the login credentials using FireBug in FireFox,
i found out that Password, TenantName, UserName, __RequestVerificationToken are the parameters which are passing along with their values for a successful login.
我需要使用 JMETER 来模拟这个过程.
I needed to simulate this process using the JMETER.
因此，我使用 JMETER 进行了 HTTP 请求(访问登录页面)以导航到该页面，该页面成功运行.
Therefore i have made a HTTP REQUEST (Visit Login Page) to Navigate to the page using JMETER, which successfully work.
在 HTTP 请求(访问登录页面)中，我添加了一个正则表达式提取器来提取令牌，因为需要将令牌与登录一起传递.
Within the HTTP REQUEST (Visit Login Page) I have added a Regular Expression Extractor, to Extract the token, since it is necessary to pass the token along with the sign in.
- 参考名称:REQUEST_VERIFICATION_TOKEN
- Reg 表达式:输入名称="__RequestVerificationToken" type="hidden" value="([A-Za-z0-9+=/- _]+?)"
- 模板:$1$
- 比赛编号:1
- 默认值:(空白)
并且我添加了一个单独的 HTTP 请求(登录到 Web)以及参数，如下所示；
And I have added a separate HTTP Request (Login to Web) for signin along with the Parameters as follows;
- 密码:${Password}
- 租户名称:${租户名称}
- 用户名:${用户名}
- __RequestVerificationToken : ${REQUEST_VERIFICATION_TOKEN}
但是当我运行它时，在查看结果树下，响应数据生成为无法解密防伪令牌..."
But When I Run it, under the View Results Tree, the Response Data is generating as "The anti-forgery token could not be decrypted..."
当我检查查看结果树下的请求显示时，它显示为
POST数据:
密码=123456&TenantName=tenant&Username=admin&__RequestVerificationToken=%24%7BREQUEST_VERIFICATION_TOKEN%7D*
When i check for the Request displays under View Result Tree,
it displays as
POST data:
Password=123456&TenantName=tenant&Username=admin&__RequestVerificationToken=%24%7BREQUEST_VERIFICATION_TOKEN%7D*
在请求中我意识到 RequestVerificationToken 的值没有被初始化.
Where in the Request I realized the value for the RequestVerificationToken is not getting initialized.
这两天我一直在通过博客寻找解决方案，最终在没有适当帮助的情况下，我倾向于将这个问题发布到这里.
I was searching for a solution through blogs for two days, where ultimately without a proper assistance I tend to post this question over here.
这是一个参考链接，在一定程度上很有用，我从中使用了:
http://build-failed.blogspot.com/2012/07/load-testing-aspnet-mvc-part-3-jmeter.html?showComment=1417672985397#c6427302313332055578
This is one reference link which is usefully for a extent, from which i used :
http://build-failed.blogspot.com/2012/07/load-testing-aspnet-mvc-part-3-jmeter.html?showComment=1417672985397#c6427302313332055578
有人可以帮助我了解为什么 RequestVerificationToken 没有正确提取或初始化为变量吗?
Can someone assist me of Why the RequestVerificationToken is not extracting properly, or getting initialized to the variable?
(Ps:老实说，当您提供宝贵的回复时，请假设我是 JMeter 的初学者)
( Ps : please be kind enough to assume that I'm a beginner in JMeter, to be honest, when you are providing your precious reply )
推荐答案
在正则表达式中'-'有含义&如果您的 __RequestVerificationToken 值中需要它，则必须正确转义它.
In Regular expression '-' has a meaning & it has to be escaped properly if it is expected in your __RequestVerificationToken value.
所以，正确的正则表达式应该是
So, the correct regular expression would be
input name="__RequestVerificationToken" type="hidden" value="([A-Za-z0-9+=/-\_]+?)"
我创建了一个临时变量 &以上正则表达式验证.它工作正常.如果它不适合您，请尽可能提供 HTTP 响应.
I created a temp variable & verified above regular expression. It works fine. If it does not work for you, Please provide the HTTP response if possible.
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