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Web Security and Access Management: JWT, OAuth2 & OpenId Connect

Authorization Code Flow for Authentication

Understand the Authorization Code Flow in OpenID Connect for secure user authentication. Explore how the scope field impacts access tokens and user data retrieval. Learn the role of the openid scope and how it differentiates authentication from normal authorization flows.

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The Authorization code flow for OpenID Connect is similar to the Authorization Code Flow that we discussed in the OAuth 2.0 chapter. The only difference is the change in the value of the scope field. It must contain openid as one of the values, followed by other scope values based on what type of user data the client wants.

There are two questions that can be raised:

  1. What would happen if the client does not provide an
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