Test CAS Rest API from Java Code

Points To Remember

• Make sure that your CAS Server is up and running. How to set up CAS Rest api with JDBC Authentication.
• You have created a database and have dummy data in it.

Program : Test CAS Rest Api from a Java Code

You can use the following piece of code to test the CAS Rest API.

You need to follow the following points for Authentication a user on CAS

• You need to make a GET or POST call depending on your CAS server setup.
• If the Username and Password are correct then you will get a TGT (Ticket Granting Token)
Now we will make a call to the service url of our application to get the Service Ticket.
• On success you will get a Service Ticket
• If you have service the Service Token,  then you have successfully authenticated the user.
• Save this service ticket in a cookie or session, since a service ticket can be used only once

You will get the following type of response if everything is working fine.

string s = username=admin%40gmail.com&password=igdefault
201
https://ekansh:8443/cas/v1/tickets/TGT-3-eeSgMb35iv3TkqYzqekyhjZcGyNwKKq2s94reeoRINtdKJBvjx-ekansh
Tgt is : TGT-3-eeSgMb35iv3TkqYzqekyhjZcGyNwKKq2s94reeoRINtdKJBvjx-ekansh
Service url is : service=http%3A%2F%2Fekansh%3A8090%2F
https://ekansh:8443/cas/v1/tickets/TGT-3-eeSgMb35iv3TkqYzqekyhjZcGyNwKKq2s94reeoRINtdKJBvjx-ekansh
Response code is:  200
200
ST-3-Uagfse2pVB7hR5GL09WB-ekansh

If the authentication fails at the server then you will get a response like the following

string s = username=ekansh%40ekiras.com&password=pwd
400

TGT - It is the token by the ticket granting token.
ST-3-Uagfse2pVB7hR5GL09WB-ekansh - It is the service token.