example: split library and example - closes ory#92

README.md

@@ -305,7 +305,7 @@ func someResourceProviderHandlerFunc(rw http.ResponseWriter, req *http.Request)
 	mySessionData := &session{}
 	requiredScope := "blogposts.create"
 
-	ar, err := oauth2.ValidateToken(ctx, fosite.AccessTokenFromRequest(req), mySessionData, requiredScope)
+	ar, err := oauth2.IntrospectToken(ctx, fosite.AccessTokenFromRequest(req), mySessionData, requiredScope)
 	if err != nil {
 		// ...
 	}

compose/compose.go

@@ -36,6 +36,7 @@ func Compose(config *Config, storage interface{}, strategy interface{}, handlers
 		AuthorizeEndpointHandlers: fosite.AuthorizeEndpointHandlers{},
 		TokenEndpointHandlers:     fosite.TokenEndpointHandlers{},
 		TokenValidators:           fosite.TokenValidators{},
+		RevocationHandlers:        fosite.RevocationHandlers{},
 		Hasher:                    &hash.BCrypt{WorkFactor: config.GetHashCost()},
 		Logger:                    &logrus.Logger{},
 		ScopeStrategy:             fosite.HierarchicScopeStrategy,
@@ -49,9 +50,12 @@ func Compose(config *Config, storage interface{}, strategy interface{}, handlers
 		if th, ok := res.(fosite.TokenEndpointHandler); ok {
 			f.TokenEndpointHandlers.Append(th)
 		}
-		if tv, ok := res.(fosite.TokenValidator); ok {
+		if tv, ok := res.(fosite.TokenIntrospector); ok {
 			f.TokenValidators.Append(tv)
 		}
+		if rh, ok := res.(fosite.RevocationHandler); ok {
+			f.RevocationHandlers.Append(rh)
+		}
 	}
 
 	return f

compose/compose_oauth2.go

@@ -118,3 +118,13 @@ func OAuth2ResourceOwnerPasswordCredentialsFactory(config *Config, storage inter
 		},
 	}
 }
+
+// OAuth2TokenRevocationFactory creates an OAuth2 token revocation handler and registers
+// an access token, refresh token and authorize code validator.
+func OAuth2TokenRevocationFactory(config *Config, storage interface{}, strategy interface{}) interface{} {
+	return &oauth2.TokenRevocationHandler{
+		TokenRevocationStorage: storage.(oauth2.TokenRevocationStorage),
+		AccessTokenStrategy:    strategy.(oauth2.AccessTokenStrategy),
+		RefreshTokenStrategy:   strategy.(oauth2.RefreshTokenStrategy),
+	}
+}