绕过CAS从Spring boot应用程序获取未/安全的健康信息

Question

@Configuration
@EnableWebSecurity
public class CASWebSecurityConfig extends WebSecurityConfigurerAdapter {

http.authorizeRequests().antMatchers("/health/**").permitAll();

null

management.security.enabled: true
endpoints.health.sensitive: false

但我对如何配置凭据有个问题...在http://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-monitoring.html#production-ready-sensition-endpoints之后，我在配置html" target="_blank">文件中添加了以下内容：

security.user.name: admin
security.user.password: secret

但它不起作用--当我不放属性时，我看不到日志中生成的密码。

所以我试着放一些自定义属性，比如

healthcheck.username: healthCheckMonitoring
healthcheck.password: healthPassword

@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth,
                            CasAuthenticationProvider authenticationProvider) throws Exception {

    auth.inMemoryAuthentication().withUser(healthcheckUsername).password(healthcheckPassword).roles("ADMIN");
    auth.authenticationProvider(authenticationProvider);
} 

   http.authorizeRequests()
        .antMatchers("/health/**").hasAnyRole("ADMIN")
        .and().httpBasic()
        .and().sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        .and().csrf().disable();

如何调整Spring Security配置以使其正常工作？我有一种感觉，我应该以某种方式链接配置，CAS配置首先允许请求纯粹基于URL通过，这样请求就会命中第二个配置，如果提供了凭据，该配置将执行基本的http身份验证，或者让请求命中未经身份验证的endpoint，这样我就得到了“仅状态”的结果。但同时，我认为Spring Boot可以正确地管理这一点，如果我适当地配置它…

谢了！

Answer 1

解决方案不是很好，但到目前为止，这对我来说是有效的：

在我的配置中（只有相关代码）：

@Configuration
@EnableWebSecurity
public class CASWebSecurityConfig extends WebSecurityConfigurerAdapter {

@Override
protected void configure(HttpSecurity http) throws Exception {
    //disable HTTP Session management
    http
        .securityContext()
        .securityContextRepository(new NullSecurityContextRepository())
        .and()
        .sessionManagement().disable();

    http.requestCache().requestCache(new NullRequestCache());

    //no security checks for health checks
    http.authorizeRequests().antMatchers("/health/**").permitAll();

    http.csrf().disable();

    http
        .exceptionHandling()
        .authenticationEntryPoint(authenticationEntryPoint());

    http // login configuration
        .addFilter(authenticationFilter())
        .authorizeRequests().anyRequest().authenticated();
}
}

然后我添加了一个特定的过滤器：

@Component
public class HealthcheckSimpleStatusFilter  extends GenericFilterBean {

private final String AUTHORIZATION_HEADER_NAME="Authorization";

private final String URL_PATH = "/health";

@Value("${healthcheck.username}")
private String username;

@Value("${healthcheck.password}")
private String password;

private String healthcheckRole="ADMIN";

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException {
    HttpServletRequest httpRequest = this.getAsHttpRequest(request);

    //doing it only for /health endpoint.
    if(URL_PATH.equals(httpRequest.getServletPath())) {

        String authHeader = httpRequest.getHeader(AUTHORIZATION_HEADER_NAME);

        if (authHeader != null && authHeader.startsWith("Basic ")) {
            String[] tokens = extractAndDecodeHeader(authHeader);
            if (tokens != null && tokens.length == 2 && username.equals(tokens[0]) && password.equals(tokens[1])) {
                createUserContext(username, password, healthcheckRole, httpRequest);
            } else {
                throw new BadCredentialsException("Invalid credentials");
            }
        }
    }
    chain.doFilter(request, response);
}

/**
 * setting the authenticated user in Spring context so that {@link HealthMvcEndpoint} knows later on that this is an authorized user
 * @param username
 * @param password
 * @param role
 * @param httpRequest
 */
private void createUserContext(String username, String password, String role,HttpServletRequest httpRequest) {
    List<GrantedAuthority> authoritiesForAnonymous = new ArrayList<>();
    authoritiesForAnonymous.add(new SimpleGrantedAuthority("ROLE_" + role));
    UserDetails userDetails = new User(username, password, authoritiesForAnonymous);
    UsernamePasswordAuthenticationToken authentication =
        new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
    authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(httpRequest));
    SecurityContextHolder.getContext().setAuthentication(authentication);
}

private HttpServletRequest getAsHttpRequest(ServletRequest request) throws ServletException {
    if (!(request instanceof HttpServletRequest)) {
        throw new ServletException("Expecting an HTTP request");
    }
    return (HttpServletRequest) request;
}

private String[] extractAndDecodeHeader(String header) throws IOException {
    byte[] base64Token = header.substring(6).getBytes("UTF-8");

    byte[] decoded;
    try {
        decoded = Base64.decode(base64Token);
    } catch (IllegalArgumentException var7) {
        throw new BadCredentialsException("Failed to decode basic authentication token",var7);
    }

    String token = new String(decoded, "UTF-8");
    int delim = token.indexOf(":");
    if(delim == -1) {
        throw new BadCredentialsException("Invalid basic authentication token");
    } else {
        return new String[]{token.substring(0, delim), token.substring(delim + 1)};
    }
}

}