20. OAuth2 Authentication in Rest Assured: Step-by-Step Tutorial | API Testing Tutorial

Published: 12 March 2024
on channel: Krishna Sakinala (Automation Testing)

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oAuth 2.0 Authentication:
Authorization Framework:
oAuth 2.0 is a framework for granting access to resources without
revealing user credentials.
Key Players:
It involves 4 main players: the resource owner(user), the client
(application), the authorization server, and the resource server.
Authorization Flow:
Clients request authorization from the resource owner, then obtain
access tokens from the authorization server to access protected resources
on the resource server.
Access Tokens:
Access tokens are short-lived credentials issued by the authorization
server after successful authentication, used by clients to access protected
resources.
Grant Types:
Different grant types allow various authentication scenarios, including
authorization code, implicit, client credentials, and resource owner
password credentials.
Security Considerations:
Ensure secure transmission tokens, protect client secrets, implement
proper token expiration and refresh mechanisms, and use appropriate
grant types based on client type and trust level.

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