Environment variables in Tomcat

Question

I use spring and tomcat in my project. I need to get the environment variable SSL_CLIENT_M_SERIAL. In Apache this is done by making the corresponding settings in the php environment variable you can get $_SERVER["SSL_CLIENT_M_SERIAL"]. How to do this in TOMCAT+SPRING? Please help

Answer 1

all done!

Here is the solution to my problem:

import java.security.cert.X509Certificate;
......

Object o = request.getAttribute("javax.servlet.request.X509Certificate");
    X509Certificate[] certs = (X509Certificate[]) o;
    X509Certificate cert = certs[0];

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