15. Mastering Basic Authentication in Rest Assured: A Step-by-Step Guide | API Testing Tutorial

Published: 20 February 2024
on channel: Krishna Sakinala (Automation Testing)

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Basic Authentication in Rest-Assured:

Basic authentication is a simple authentication scheme built into the
HTTP protocol.
It is often used to secure your RESTful APIs.
In Basic authentication, the client includes a username and password in
the request header using the "Authorization" field.
The credentials are typically Base64-encoded, although it's Important
to note that Base64 encoding is not a secured method for protecting sensitive
information.

How it works:
The client includes the username and password in the HTTP request header.
The credentials are Base64-encoded and combined with the word "Basic"
followed by a space.
The resulting string is added to the "Authorization" header of the HTTP
request.
Limitations of Basic authentication is that it sends the credentials with
every request, which can be a security risk.
Then the terms "preemptive" and "non-preemptive" come into play.

In preemptive authentication, the client send the authentication information
with the Initial request without receiving the HTTP 401 unauthorized response
for the server.
In non-preemptive authentication, the client only sends the authentication
information after receiving the HTTP 401 response from the server.

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