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disable BASIC_AUTH_FILTER oauth2 java

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To disable the BASIC_AUTH_FILTER and enable OAuth2 authentication in a Java application, you can follow these general steps:

1. Configure your OAuth2 authentication provider (e.g. Google, Facebook, Okta, etc.) and obtain the necessary credentials and configuration details.

2. Add the necessary OAuth2 dependencies to your project, such as Spring Security OAuth2 or Apache Oltu.

3. Configure your application's security settings to use OAuth2 authentication instead of Basic authentication. This can typically be done in the security configuration file (e.g. SecurityConfig.java) using annotations or XML.

4. Remove or comment out any code related to the BASIC_AUTH_FILTER, which is typically used for Basic authentication.

Here's an example of how to disable the BASIC_AUTH_FILTER and enable OAuth2 authentication in a Spring Boot application:

java

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .authorizeRequests()
            .antMatchers("/oauth2/**").permitAll()
            .anyRequest().authenticated()
            .and()
            .oauth2Login();
    }

    @Override
    public void configure(WebSecurity web) throws Exception {
        web
            .ignoring()
            .antMatchers("/resources/**");
    }

    @Bean
    public ClientRegistrationRepository clientRegistrationRepository() {
        return new InMemoryClientRegistrationRepository(this.googleClientRegistration());
    }

    private ClientRegistration googleClientRegistration() {
        return ClientRegistration.withRegistrationId("google")
            .clientId("google-client-id")
            .clientSecret("google-client-secret")
            .clientAuthenticationMethod(ClientAuthenticationMethod.BASIC)
            .authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
            .redirectUriTemplate("{baseUrl}/oauth2/callback/{registrationId}")
            .scope("openid", "profile", "email")
            .authorizationUri("https://accounts.google.com/o/oauth2/v2/auth")
            .tokenUri("https://www.googleapis.com/oauth2/v4/token")
            .userInfoUri("https://www.googleapis.com/oauth2/v3/userinfo")
            .userNameAttributeName(IdTokenClaimNames.SUB)
            .jwkSetUri("https://www.googleapis.com/oauth2/v3/certs")
            .clientName("Google")
            .build();
    }

}

In this example, the configure(HttpSecurity http) method specifies that requests to the "/oauth2/**" endpoint should be permitted without authentication, while all other requests should be authenticated using OAuth2. The oauth2Login() method configures the application to use the default OAuth2 login form.

The googleClientRegistration() method sets up the necessary details for the Google OAuth2 provider, including the client ID and secret, authorization and token URIs, and the scopes to request from the user. This method can be modified or replaced to configure other OAuth2 providers.

Note that the exact steps and configuration details may vary depending on the specific OAuth2 provider and framework being used in your application. It is recommended to consult the documentation and guides for your specific use case.