php curl with csrf-token verification simulated submission method

This article mainly introduces the detailed explanation of the simulated submission method of php curl with csrf-token verification. Now I share it with you and give you a reference. Let’s follow the editor and take a look.

Usually for security reasons, a random token value is added to the form to prevent CSRF attacks.

It is actually not difficult to simulate submitting a website with token verification.

1. Obtain the token through regular expressions
2. Bring the obtained token to simulate submission

The following is a successful example

Table of Contents Structure

│ form.php –需要模拟的表单 
│ getForm.php – 模拟提交程序 
│ post.php –表单验证程序 
│ 
└─cookie – cookie存放目录

getForm.php

getMessage(), "\n";
    }
    unlink($cookie_file);
  }

form.php

post.php

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