Authorization requirement
An authorization requirement is a condition that must be satisfied for an authorization policy to permit access to a resource or operation.
ASP.NET Core in Action, 3e
An authorization requirement is a condition that must be satisfied for an authorization policy to succeed.
- How it is used
- Controls whether an authenticated user may execute a protected endpoint through a policy’s conditions.
- How deep it goes
- Explains policy composition, custom marker classes, handler outcomes, registration, and explicit failure through a worked authorization policy.
- Examples
- Uses an airline-lounge policy requiring minimum age and either frequent-flyer or employee status, with a ban overriding access.
- What you can do after
- Build it from scratch with IAuthorizationRequirement, AuthorizationHandler<T>, and a named policy to protect an endpoint.
Read how ASP.NET Core in Action, 3e explains authorization requirement →
.NET in Action, Second Edition
An authorization requirement is a condition that must be satisfied for an authorization policy to succeed.
- How it is used
- Enforces named authorization-policy conditions beyond authentication, including claim-based access to selected API actions.
- How deep it goes
- Explains registration, handler execution, claim checks, multiple-handler outcomes, and explicit failure behavior, but not broader policy-engine internals.
- Examples
- Uses an OnlyMe requirement that compares the preferred_username claim with a permitted email address.
- What you can do after
- Apply it via ASP.NET Core policies and handlers to protect API operations with custom authorization conditions.
Read how .NET in Action, Second Edition explains authorization requirement →
Related concepts
- policypart of · A policy is a rule, strategy, or mapping that governs or determines decisions, actions, permissions, or behavior under specified conditions.
- API documentationused by · API documentation is written or generated material describing an application programming interface’s capabilities, operations, inputs, outputs, behavior, and usage.
- authorization handlerused by · An authorization handler is a component that evaluates an authorization requirement against a user and, when applicable, a protected resource.
- AuthorizationMiddlewareused by · Authorization middleware is request-processing software that evaluates whether a requester is permitted to access a protected endpoint or resource.
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