How deeply does Spring in Action, Sixth Edition cover OAuth?

Explains authorization servers, resource servers, access tokens, scopes, and Spring configuration without detailing protocol internals.

OAuth

As explained in Spring in Action, Sixth Edition

OAuth 2 is an authorization framework that enables a client to obtain limited access to protected resources on behalf of a resource owner.

OAuth 2 is an authorization framework for granting limited access to protected resources. An authorization server issues access tokens, while a resource server verifies those tokens before allowing API requests. section 8.0 section 8.5

The trust model resembles a valet key: a client receives only the access needed to perform its job, rather than unrestricted control. OAuth 2 secures REST APIs and can also support third-party sign-in; OpenID Connect formalizes that authentication interaction. section 8.0 section 5.3.3

A typical OAuth 2 API interaction works as follows:

The client obtains an access token from the authorization server, either for a user or through client token flow. section 8.5
The client presents the token when requesting protected API resources. section 8.5
The resource server checks that the token is valid, unexpired, and carries the required scope. section 8.5

Third-party sign-in with Facebook

A Spring application can let users sign in through Facebook instead of entering credentials locally. Configure the Facebook client ID and secret, request the email and public_profile scopes, enable oauth2Login(), and link users to /oauth2/authorization/facebook. Protected pages redirect unauthenticated users to Facebook; successful authentication returns them to the application. section 5.3.3

How Spring in Action, Sixth Edition covers it

Cover of Spring in Action, Sixth Edition

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Also explained in

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Software Security for DevelopersOAuth is an authorization framework that enables delegated access to protected resources without sharing the resource owner's credentials with the resource server.
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Authorization in ActionOAuth 2.0 is an open authorization framework that lets applications obtain limited delegated access to protected resources without exposing a user's credentials.
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.NET MAUI in ActionOAuth is an authorization framework that allows an application to obtain delegated access to protected resources without receiving the user's password.
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ASP.NET Core in Action, 3eOAuth 2.0 is an authorization protocol that lets a resource owner delegate controlled access to protected resources without revealing credentials to the accessing service.
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Acing the CCNA Exam: Volume 2 Advanced Networking and SecurityOAuth 2.0 is an industry-standard authorization framework that delegates controlled access to protected resources without sharing the resource owner's credentials with a third-party application.
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Secure APIsOAuth 2.0 is the earlier major version of the OAuth authorization framework that defined multiple authorization flows for delegated access.
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Spring Security in Action, Second EditionOAuth 2 is an authorization framework specification for delegated access to protected resources using access tokens.
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Building Distributed Applications that WorkOAuth is an authorization framework that enables clients to obtain limited access to protected resources without handling the resource owner's credentials.

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Related concepts

openid connectused by · OpenID Connect is an identity layer built on OAuth 2.0 that enables clients to authenticate end users and obtain standardized identity claims.
API keyproduces · An API key is a credential used to identify or authorize a client accessing an application programming interface.
scopeuses · Scope is a defined boundary specifying which entities, activities, resources, or conditions are included or governed in a particular context.
authenticationuses · Authentication is the process of establishing or verifying the identity of a user, service, device, or other communicating entity.
authorization code flowhas part · The authorization code flow is an OAuth protocol in which a client obtains a short-lived authorization code after user authorization and exchanges it for access or other tokens.
resource serverhas part · A resource server is a service that hosts protected resources, validates access credentials such as tokens, and enforces authorization for client requests.

This explainer was generated by Manning's knowledge graph from the text of Spring in Action, Sixth Edition. The section links point to the parts of the book it draws on.