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Spring Security without a login form


Spring Security without a login form

By : Julie Neuweiler
Date : November 21 2020, 07:31 AM
seems to work fine Yes, you just need to replace the UsernamePasswordFormFilter with your own authentication filter. Easiest if you extend AbstractAuthenticationProcessingFilter. You'll probably have to provide your own AuthenticationProvider as well.
code :


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Spring Security 3.2 code based configuration. Form login + global method security

Spring Security 3.2 code based configuration. Form login + global method security


By : Davies
Date : March 29 2020, 07:55 AM
it fixes the issue Stack trace already contains all information needed to find solution. There is no AuthenticationManager bean in Spring context. So it need to be defined explicitly.
WebSecurityConfigurerAdapter class contains authenticationManagerBean() method. Its JavaDoc says:
code :
 @Bean(name="myAuthenticationManager") 
 @Override 
 public AuthenticationManager authenticationManagerBean() throws Exception {  
    return super.authenticationManagerBean(); 
 }
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth
            .inMemoryAuthentication()
                .withUser("user").password("password").roles("USER").and()
                .withUser("admin").password("password").roles("USER", "ADMIN");
    }

    @Bean @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf().disable()
            .formLogin()
                .loginPage("/login")
                .failureUrl("/login?login_error=1")
                .defaultSuccessUrl("/home")
                .and()
            .logout()
                .logoutUrl("/logout")
                .logoutSuccessUrl("/index");
    }
}
spring security login with query string along with form login

spring security login with query string along with form login


By : user3107807
Date : March 29 2020, 07:55 AM
it should still fix some issue Authentication via GET is disabled in spring security for, well, security reasons. GET-requests (and their parameters) make their way into log files what is a very bad thing for login credentials. They can also be cached in upstream proxies where the logging is totally out of your control. You have been warned, but if you really want to:
You can enable auth via GET by setting a property on your loginFilter. Depending on your config style (xml or javaconfig) this will be:
code :
<bean id="loginFilter" class="org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter"
  p:postOnly="false" />
@Bean
public UsernamePasswordAuthenticationFilter getLoginFilter() {
    UsernamePasswordAuthenticationFilter loginFilter = new UsernamePasswordAuthenticationFilter();
    loginFilter.setPostOnly(false);
    return loginFilter;
}
Spring Security OAuth2 - Is it possible to using client form login instead of the authorization server's form login?

Spring Security OAuth2 - Is it possible to using client form login instead of the authorization server's form login?


By : user3348529
Date : March 29 2020, 07:55 AM
Hope that helps Anything is possible, but since the main reason for OAuth2 to have the auth code flow is to avoid that scenario, it defeats the object somewhat. What do you need OAuth2 for (maybe you should just authenticate everything locally in your app)?
Spring security Oauth 2 with ajax login and form login

Spring security Oauth 2 with ajax login and form login


By : Scott Yarbrough
Date : March 29 2020, 07:55 AM
it should still fix some issue The way spring security manages form based authentication is totaly different what you are trying to achive through oauth2.0. When you are using ajax (oauth2.0) way of authenticating (which is actualy authorization process of client application by user with username and password) user, only your client application (application through which you are firing ajax request) will get authenticated through spring security filter and SecurityContextHolder will have authentication object of authenticated client application not the user. If you will see your security configuration you are allowing all the request to pass without authentication in case of non ajax login. To enable form based login you need to configure your security to protect all other url except login url... something as given below
code :
@Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable().authorizeRequests()
                .antMatchers("/**")
                .authenticated().and().formLogin();
    }
How to configure Spring Boot and Spring Security to support both form login and Google OAuth2 login

How to configure Spring Boot and Spring Security to support both form login and Google OAuth2 login


By : laxpro2001
Date : March 29 2020, 07:55 AM
seems to work fine I am strugging to configure a Spring Boot application with Spring Security to support two login mechanisms: form login and Google OAuth2 login. , This is how I solved it using two WebSecurityConfigurerAdapters:
code :
@EnableWebSecurity
class SecurityConfig extends WebSecurityConfigurerAdapter{

    @Configuration
    @Order(1)
    static class FormLoginWebSecurityConfigurerAdapter extends WebSecurityConfigurerAdapter {

        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http
                .antMatcher("/secure-home")
                .authorizeRequests()
                    .anyRequest().authenticated()
                    .and()
                .formLogin()
                    .loginPage("/login")
                    .permitAll()
        }
    }

    @Configuration
    @Order(2)
    static class OAuth2SecurityConfigurerAdapter extends WebSecurityConfigurerAdapter {

        private final String LOGIN_URL = "/googleLogin";

        @Autowired
        OAuth2ClientContextFilter oAuth2ClientContextFilter

        @Bean
        AuthenticationEntryPoint authenticationEntryPoint() {
            new LoginUrlAuthenticationEntryPoint(LOGIN_URL)
        }

        @Bean
        OpenIDConnectAuthenticationFilter openIdConnectAuthenticationFilter() {
            new OpenIDConnectAuthenticationFilter(LOGIN_URL)
        }

        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http
                .addFilterAfter(oAuth2ClientContextFilter, AbstractPreAuthenticatedProcessingFilter.class)
                .addFilterAfter(openIdConnectAuthenticationFilter(), OAuth2ClientContextFilter.class)
            .exceptionHandling().authenticationEntryPoint(authenticationEntryPoint())
            .and()
                .authorizeRequests()
                    .antMatchers(GET, "/googleOAuth2").authenticated()
        }
    }
}
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