ReactiveOpaqueTokenIntrospector (spring-security-docs-manual 5.5.1 API)

All Known Implementing Classes:

NimbusReactiveOpaqueTokenIntrospector

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ReactiveOpaqueTokenIntrospector
```
A contract for introspecting and verifying an OAuth 2.0 token. A typical implementation of this interface will make a request to an OAuth 2.0 Introspection Endpoint to verify the token and return its attributes, indicating a successful verification. Another sensible implementation of this interface would be to query a backing store of tokens, for example a distributed cache.

Since:

5.2

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`reactor.core.publisher.Mono<OAuth2AuthenticatedPrincipal>`	`introspect(java.lang.String token)`	Introspect and verify the given token, returning its attributes.

- Method Detail
  - introspect
```
reactor.core.publisher.Mono<OAuth2AuthenticatedPrincipal> introspect(java.lang.String token)
```
    Introspect and verify the given token, returning its attributes. Returning a Map is indicative that the token is valid.
    
    Parameters:
    
    token - the token to introspect
    
    Returns:
    
    the token's attributes