import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
@Override
public UserDetails loadUserDetails(CasAssertionAuthenticationToken token) throws UsernameNotFoundException {
	String login = token.getPrincipal().toString();
	String lowercaseLogin = login.toLowerCase();

	log.debug("Authenticating '{}'", login);
	List<GrantedAuthority> grantedAuthorities = new ArrayList<GrantedAuthority>();

	if (admins != null && admins.contains(lowercaseLogin)) {
		grantedAuthorities.add(new SimpleGrantedAuthority(AuthoritiesConstants.ADMIN));
	} else {
		grantedAuthorities.add(new GrantedAuthority() {
			private static final long serialVersionUID = 1L;

			@Override
			public String getAuthority() {
				return AuthoritiesConstants.USER;
			}
		});
	}

	return new AppUserDetails(lowercaseLogin, grantedAuthorities);
}
 

import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
@Test
public void correctlyExtractsNamedAttributeFromAssertionAndConvertsThemToAuthorities() {
    GrantedAuthorityFromMemberOfAssertionAttributeUserDetailsService uds
            = new GrantedAuthorityFromMemberOfAssertionAttributeUserDetailsService();
    uds.setConvertToUpperCase(false);
    uds.setConvertSpacesToUnderscores(false);
    uds.setAttribute("a");
    uds.setRolePrefix("");
    Assertion assertion = mock(Assertion.class);
    AttributePrincipal principal = mock(AttributePrincipal.class);
    Map<String, Object> attributes = new HashMap<>();
    attributes.put("a", Arrays.asList("CN=role_a1,OU=roles,DC=spring,DC=io", "CN=role_a2,OU=roles,DC=spring,DC=io"));
    attributes.put("b", "b");
    attributes.put("c", "c");
    attributes.put("d", null);
    attributes.put("someother", "unused");
    when(assertion.getPrincipal()).thenReturn(principal);
    when(principal.getAttributes()).thenReturn(attributes);
    when(principal.getName()).thenReturn("somebody");
    CasAssertionAuthenticationToken token = new CasAssertionAuthenticationToken(assertion, "ticket");
    UserDetails user = uds.loadUserDetails(token);
    Set<String> roles = AuthorityUtils.authorityListToSet(user.getAuthorities());
    assertTrue(roles.size() == 2);
    assertTrue(roles.contains("role_a1"));
    assertTrue(roles.contains("role_a2"));
}
 

import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
@Test
public void correctlyExtractsDefaultNamedAttributeFromAssertionAndConvertsThemToAuthorities() {
    GrantedAuthorityFromMemberOfAssertionAttributeUserDetailsService uds
            = new GrantedAuthorityFromMemberOfAssertionAttributeUserDetailsService();
    Assertion assertion = mock(Assertion.class);
    AttributePrincipal principal = mock(AttributePrincipal.class);
    Map<String, Object> attributes = new HashMap<>();
    attributes.put("memberOf", Arrays.asList("CN=a1,ou=other,OU=roles,DC=spring,DC=io", "CN=a2,OU=roles,dc=spring,DC=io", null));
    attributes.put("someother", "unused");
    when(assertion.getPrincipal()).thenReturn(principal);
    when(principal.getAttributes()).thenReturn(attributes);
    when(principal.getName()).thenReturn("somebody");
    CasAssertionAuthenticationToken token = new CasAssertionAuthenticationToken(assertion, "ticket");
    UserDetails user = uds.loadUserDetails(token);
    Set<String> roles = AuthorityUtils.authorityListToSet(user.getAuthorities());
    assertTrue(roles.size() == 2);
    assertTrue(roles.contains("ROLE_A1"));
    assertTrue(roles.contains("ROLE_A2"));
}
 

import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
@Override
public UserDetails loadUserDetails(CasAssertionAuthenticationToken token) throws UsernameNotFoundException {
    System.out.println("当前的用户名是：" + token.getName());
    /*这里我为了方便，就直接返回一个用户信息，实际当中这里修改为查询数据库或者调用服务什么的来获取用户信息*/
    UserInfo userInfo = new UserInfo();
    userInfo.setUsername("admin");
    userInfo.setName("admin");
    Set<AuthorityInfo> authorities = new HashSet<AuthorityInfo>();
    AuthorityInfo authorityInfo = new AuthorityInfo("TEST");
    authorities.add(authorityInfo);
    userInfo.setAuthorities(authorities);
    return userInfo;
}
 

import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
/**
 * 用户自定义的AuthenticationUserDetailsService
 */
@Bean
public AuthenticationUserDetailsService<CasAssertionAuthenticationToken> customUserDetailsService() {
    return new CustomUserDetailsService();
}
 

import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken; //导入依赖的package包/类
@Bean
public AuthenticationUserDetailsService<CasAssertionAuthenticationToken> customUserDetailsService() {
	return new CustomUserDetailsService(adminList());
}