SpringSpring SecurityOauth2

Spring Security OAuth2 - Login 페이지 Customizing 하기

목차

참고

Security Config

@EnableWebSecurity
@Slf4j
public class SecurityConfig extends WebSecurityConfigurerAdapter {

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

Controller

@Controller
public class LoginController {

    private static String authorizationRequestBaseUri = "oauth2/authorization";
    Map<String, String> oauth2AuthenticationUrls = new HashMap<>();

    @Autowired
    private ClientRegistrationRepository clientRegistrationRepository;

    @GetMapping("/oauth_login")
    public String getLoginPage(Model model) {
        Iterable<ClientRegistration> clientRegistrations = null;
        ResolvableType type = ResolvableType.forInstance(clientRegistrationRepository)
                .as(Iterable.class);
        if (type != ResolvableType.NONE && ClientRegistration.class.isAssignableFrom(type.resolveGenerics()[0])) {
            clientRegistrations = (Iterable<ClientRegistration>) clientRegistrationRepository;
        }

        clientRegistrations
                .forEach(registration -> oauth2AuthenticationUrls
                        .put(registration.getClientName(), authorizationRequestBaseUri + "/" + registration.getRegistrationId())
                );
        model.addAttribute("urls", oauth2AuthenticationUrls);

        return "oauth_login";
    }
}

로그인 페이지

<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>Oauth2 Login</title>
  <link rel="stylesheet"
      href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" />
</head>

<body>
<div class="container">
  <div class="col-sm-3 well">
    <h3>Login with:</h3>
    <div class="list-group">
      <p th:each="url : ${urls}">
        <a th:text="${url.key}" th:href="${url.value}" class="list-group-item active">Client</a>
      </p>
    </div>
  </div>
</div>
</body>
</html>

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