使用java配置在单个应用程序中的多个身份验证机制

Question

目前我的应用程序中有一个身份验证机制,即使用LDAP进行身份验证和授权.我的安全配置如下所示

@Configuration
@EnableWebMvcSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

@Override
protected void configure(HttpSecurity http) throws Exception {
    http
        .csrf().disable()
        .authorizeRequests()
            .anyRequest().fullyAuthenticated()
            .and()
            .httpBasic();
}

@Configuration
protected static class AuthenticationConfiguration extends GlobalAuthenticationConfigurerAdapter {

    @Value("${ldap-${env}.manager.dn}")
    private String managerDn;

    @Value("${ldap-${env}.manager.pass}")
    private String managerPass;

    @Value("${ldap-${env}.server.url}")
    private String url;

    @Value("${ldap.password.attribute:userPassword}")
    private String passwordAttr;

    @Override
    public void init(AuthenticationManagerBuilder auth) throws Exception {
        auth.ldapAuthentication().userDnPatterns("uid={0},ou=people").groupSearchBase("ou=groups")
                .groupSearchFilter("(member={0})").userSearchBase("ou=people").userSearchFilter("(uid={0})")
                .userDetailsContextMapper(new CustomLdapPersonContextMapper())
                // .passwordCompare()
                // .passwordAttribute(passwordAttr)
                // .passwordEncoder(new PlaintextPasswordEncoder())
                // .and()
                .contextSource().managerDn(managerDn).managerPassword(managerPass).url(url);
    }
}
}

在某些情况下,用户可能会使用会话令牌进入会话令牌,该会话令牌可以从会话密钥服务器进行身份验证,并且有效令牌会返回用户名,然后可以使用该用户名从LDAP为该用户加载身份验证信息.所以我的第二个身份验证机制应该首先发生,如果http头中存在会话令牌,它应该执行令牌身份验证然后执行ldap查找,如果没有会话令牌,它应该属于当前的身份验证机制.如何添加第二层身份验证.

Answer 1

在使用纯java配置时,我花了很长时间围绕spring-security.让这个工作有一些步骤.它应该是这些方面的东西.基本流程如下:

• 创建自定义筛选器以检查特定授权信息的请求

• 每个过滤器返回null(如果未找到该类型的授权)或自定义AbstractAuthenticationToken

• 如果过滤器返回一个标记,那么将调用每个AuthenticationProvider的支持(类)方法,如果该标记应该尝试认证,则返回true | false

• 然后将在支持令牌的AuthenticationProvider上调用attemptAuthentication.在这里,您可以执行任何服务调用来验证用户身份.然后,您可以抛出LoginException或调用authentication.setAuthenticated(true)并返回令牌以进行成功的身份验证.

我一直在使用此设置支持各种身份验证方法(签名请求,用户名/密码,oauth等),并且它运行良好.

您还可以将AuthenticationSuccessHandler和AuthenticationFailuersHandler传递给自定义安全筛选器,以提供自定义重定向策略和故障处理.

还要确保在过滤器的构造函数中设置蚂蚁匹配器,以控制过滤器应用的URL模式.例如,ldap请求过滤器可能需要检查任何请求"/*",而用户名/密码过滤器可以在POST上检查到/ login或类似的东西.

示例代码:

1)为您要支持的每种身份验证类型创建自定义AuthenticationToken

public class LDAPAuthorizationToken extends AbstractAuthenticationToken {
    private String token;

    public LDAPAuthorizationToken( String token ) {
        super( null );
        this.token = token;
    }

    public Object getCredentials() {
        return token;
    }

    public Object getPrincipal() {
        return null;
    }
}

public class OTPAuthorizationToken extends UsernamePasswordAuthenticationToken {
    private String otp;

    public OTPAuthorizationToken( String username, String password, String otp ) {
        super( username, password );
        this.otp = otp;
    }

    public String getOTP() {
        return otp;
    }
}

2)为每种类型创建自定义安全筛选器

public class LDAPAuthorizationFilter extends AbstractAuthenticationProcessingFilter {
    @Autowired
    private UserDetailsService userDetailsService;

    public LDAPAuthorizationFilter() {
        super( "/*" ); // allow any request to contain an authorization header
    }

    public Authentication attemptAuthentication( HttpServletRequest request, HttpServletResponse response ) throws AuthenticationException
    {

        if ( request.getHeader( "Authorization" ) == null ) {
            return null; // no header found, continue on to other security filters
        }

        // return a new authentication token to be processed by the authentication provider
        return new LDAPAuthorizationToken( request.getHeader( "Authorization" ) );
    }
}

public class OTPAuthorizationFilter extends AbstractAuthenticationProcessingFilter {
    @Autowired
    private UserDetailsService userDetailsService;

    public OTPAuthorizationFilter() {
        super( "/otp_login" );
    }

    public Authentication attemptAuthentication( HttpServletRequest request, HttpServletResponse response ) throws AuthenticationException
    {

        if ( request.getParameter( "username" ) == null || request.getParameter( "password" ) == null || request.getParameter( "otp" ) == null ) {
            return null;
        }

        // return a new authentication token to be processed by the authentication provider
        return new OTPAuthorizationToken( request.getParameter( "username" ), request.getParameter( "password" ), request.getParameter( "otp" ) );
    }
}

3)创建自定义AuthenticationProviders

public class LDAPAuthenticationProvider implements AuthenticationProvider {

    @Autowired
    private MyAuthenticationService sampleService;

    @Override
    public Authentication authenticate( Authentication authentication ) throws AuthenticationException {
        LDAPAuthorizationToken auth = (LDAPAuthorizationToken)authentication;

        String username = sampleService.verifyToken( auth.getCredentials() );
        if ( username == null ) {
            throw new LoginException( "Invalid Token" );
        }

        auth.setAuthenticated( true );

        return auth;
    }

    @Override
    public boolean supports( Class<?> authentication ) {
        if ( authentication.isAssignableFrom( LDAPAuthorizationToken.class ) ) {
            return true;
        }
        return false;
    }
}

public class OTPAuthenticationProvider implements AuthenticationProvider {

    @Autowired
    private MyAuthenticationService sampleService;

    @Override
    public Authentication authenticate( Authentication authentication ) throws AuthenticationException {
        OTPAuthorizationToken auth = (OTPAuthorizationToken)authentication;

        String error = sampleService.loginWithOTP( auth.getPrincipal(), auth.getCredentials(), auth.getOTP() );
        if ( error != null ) {
            throw new LoginException( error );
        }

        auth.setAuthenticated( true );

        return auth;
    }

    @Override
    public boolean supports( Class<?> authentication ) {
        if ( authentication.isAssignableFrom( OTPAuthorizationToken.class ) ) {
            return true;
        }
        return false;
    }
}

4)配置弹簧安全性

public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure( HttpSecurity http ) throws Exception {
        // configure filters
        http.addFilterBefore( new LDAPAuthorizationFilter(), UsernamePasswordAuthenticationFilter.class );
        http.addFilterBefore( new OTPAuthorizationFilter(), UsernamePasswordAuthenticationFilter.class );

        // configure authentication providers
        http.authenticationProvider( new LDAPAuthenticationProvider() );
        http.authenticationProvider( new OTPAuthenticationProvider() );

        // disable csrf
        http.csrf().disable();

        // setup security
        http.authorizeRequests()
            .anyRequest()
                .fullyAuthenticated()
                .and().httpBasic();
    }
}

希望有所帮助!

Answer 2

另外,选择添加第二个身份验证提供者:只需指定在一个又一个AuthenticationManagerBuilder.因为@EnableWebSecurity注释本身是注释的,EnableGlobalAuthentication所以可以配置全局实例AuthenticationManagerBuilder.(有关详细信息,请参阅javadoc.)

例如,这里我们有一个LDAP身份验证提供程序以及一个内存(硬编码)身份验证提供程序(这是我们在开发过程中要让本地用户进行测试):

    @Configuration
    @EnableWebSecurity
    public class SecurityConfig extends WebSecurityConfigurerAdapter {

      @Value("${user.role}")
      private String userRole; // i.e. ROLE_APP_USER

      @Value("${include.test.users}")
      private boolean includeTestUsers;

      @Override
      protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
          .antMatchers("/**/js/**").permitAll()
          .antMatchers("/**/images/**").permitAll()
          .antMatchers("/**/favicon.ico").permitAll()
          .antMatchers("/**/css/**").permitAll()
          .antMatchers("/**/fonts/**").permitAll()
          .antMatchers("/**").hasAnyRole(userRole)
          .and().formLogin().loginPage("/login").permitAll().and().logout().permitAll();

        http.logout().logoutRequestMatcher(new AntPathRequestMatcher("/logout"));
      }

      @Autowired
      public void configureGlobal(AuthenticationManagerBuilder auth, LdapContextSource contextSource) throws Exception {
        auth.ldapAuthentication()
          .userSearchBase("OU=Users OU")
          .userSearchFilter("sAMAccountName={0}")
          .groupSearchBase("OU=Groups OU")
          .groupSearchFilter("member={0}")
          .contextSource(contextSource);

        if (includeTestUsers) {
          auth.inMemoryAuthentication().withUser("user").password("u").authorities(userRole);
        }
      }
    }