import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
@Override
public void configure(HttpSecurity http) throws Exception {
  super.configure(http);
  http
      .authorizeRequests()
      .anyRequest()
      .fullyAuthenticated()
      .anyRequest()
      .access("#oauth2.hasScopeMatching('openid') and #oauth2.hasScopeMatching('profile')");

  ResourceServerSecurityConfigurer configurer = new ResourceServerSecurityConfigurer();
  configurer.setBuilder(http);
  configurer.tokenServices(introspectingTokenService());

  CustomOAuth2ExceptionRenderer exceptionRenderer = new CustomOAuth2ExceptionRenderer();

  OAuth2AuthenticationEntryPoint authenticationEntryPoint = new OAuth2AuthenticationEntryPoint();
  authenticationEntryPoint.setExceptionRenderer(exceptionRenderer);
  configurer.authenticationEntryPoint(authenticationEntryPoint);

  OAuth2AccessDeniedHandler accessDeniedHandler = new OAuth2AccessDeniedHandler();
  accessDeniedHandler.setExceptionRenderer(exceptionRenderer);
  configurer.accessDeniedHandler(accessDeniedHandler);

  configurer.configure(http);
}
 

import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
@Bean
public OAuth2AuthenticationEntryPoint oauth2AuthenticationEntryPoint() {
    return new OAuth2AuthenticationEntryPoint();
}
 

import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
public OAuth2AuthenticationEntryPoint oauthAuthenticationEntryPoint() {
    OAuth2AuthenticationEntryPoint authenticationEntryPoint = new OAuth2AuthenticationEntryPoint();
    authenticationEntryPoint.setRealmName("oauth2-authorization-server");
    return authenticationEntryPoint;
}
 

import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
public OAuth2AuthenticationEntryPoint clientAuthenticationEntryPoint() {
    OAuth2AuthenticationEntryPoint authenticationEntryPoint = new OAuth2AuthenticationEntryPoint();
    authenticationEntryPoint.setRealmName("authorization-server/client");
    return authenticationEntryPoint;
}
 

import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
@Bean
public OAuth2AuthenticationEntryPoint oauth2AuthenticationEntryPoint(){
	OAuth2AuthenticationEntryPoint ep = new OAuth2AuthenticationEntryPoint();
	ep.setExceptionRenderer(oauth2ExceptionRenderer());
	return ep;
}
 

import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint; //导入依赖的package包/类
public ClientCredentialsTokenEndpointFilter(String path) {
	super(path);
	setRequiresAuthenticationRequestMatcher(new ClientCredentialsRequestMatcher(path));
	// If authentication fails the type is "Form"
	((OAuth2AuthenticationEntryPoint) authenticationEntryPoint).setTypeName("Form");
}