Examples with ExceptionTranslationFilter org.springframework.security.web.access.ExceptionTranslationFilter used on opensource projects

Example 1 with ExceptionTranslationFilter

use of org.springframework.security.web.access.ExceptionTranslationFilter in project spring-security by spring-projects.

the class DefaultFilterChainValidatorTests method setUp.

@Before
public void setUp() throws Exception {
    AnonymousAuthenticationFilter aaf = new AnonymousAuthenticationFilter("anonymous");
    fsi = new FilterSecurityInterceptor();
    fsi.setAccessDecisionManager(accessDecisionManager);
    fsi.setSecurityMetadataSource(metadataSource);
    AuthenticationEntryPoint authenticationEntryPoint = new LoginUrlAuthenticationEntryPoint("/login");
    ExceptionTranslationFilter etf = new ExceptionTranslationFilter(authenticationEntryPoint);
    DefaultSecurityFilterChain securityChain = new DefaultSecurityFilterChain(AnyRequestMatcher.INSTANCE, aaf, etf, fsi);
    fcp = new FilterChainProxy(securityChain);
    validator = new DefaultFilterChainValidator();
    Whitebox.setInternalState(validator, "logger", logger);
}

Example 2 with ExceptionTranslationFilter

use of org.springframework.security.web.access.ExceptionTranslationFilter in project spring-security by spring-projects.

the class ExceptionHandlingConfigurer method configure.

@Override
public void configure(H http) throws Exception {
    AuthenticationEntryPoint entryPoint = getAuthenticationEntryPoint(http);
    ExceptionTranslationFilter exceptionTranslationFilter = new ExceptionTranslationFilter(entryPoint, getRequestCache(http));
    if (accessDeniedHandler != null) {
        exceptionTranslationFilter.setAccessDeniedHandler(accessDeniedHandler);
    }
    exceptionTranslationFilter = postProcess(exceptionTranslationFilter);
    http.addFilter(exceptionTranslationFilter);
}

Example 3 with ExceptionTranslationFilter

use of org.springframework.security.web.access.ExceptionTranslationFilter in project spring-security by spring-projects.

the class DefaultFilterChainValidator method checkLoginPageIsntProtected.

/*
	 * Checks for the common error of having a login page URL protected by the security
	 * interceptor
	 */
private void checkLoginPageIsntProtected(FilterChainProxy fcp, List<Filter> filterStack) {
    ExceptionTranslationFilter etf = getFilter(ExceptionTranslationFilter.class, filterStack);
    if (etf == null || !(etf.getAuthenticationEntryPoint() instanceof LoginUrlAuthenticationEntryPoint)) {
        return;
    }
    String loginPage = ((LoginUrlAuthenticationEntryPoint) etf.getAuthenticationEntryPoint()).getLoginFormUrl();
    logger.info("Checking whether login URL '" + loginPage + "' is accessible with your configuration");
    FilterInvocation loginRequest = new FilterInvocation(loginPage, "POST");
    List<Filter> filters = null;
    try {
        filters = fcp.getFilters(loginPage);
    } catch (Exception e) {
        // May happen legitimately if a filter-chain request matcher requires more
        // request data than that provided
        // by the dummy request used when creating the filter invocation.
        logger.info("Failed to obtain filter chain information for the login page. Unable to complete check.");
    }
    if (filters == null || filters.isEmpty()) {
        logger.debug("Filter chain is empty for the login page");
        return;
    }
    if (getFilter(DefaultLoginPageGeneratingFilter.class, filters) != null) {
        logger.debug("Default generated login page is in use");
        return;
    }
    FilterSecurityInterceptor fsi = getFilter(FilterSecurityInterceptor.class, filters);
    FilterInvocationSecurityMetadataSource fids = fsi.getSecurityMetadataSource();
    Collection<ConfigAttribute> attributes = fids.getAttributes(loginRequest);
    if (attributes == null) {
        logger.debug("No access attributes defined for login page URL");
        if (fsi.isRejectPublicInvocations()) {
            logger.warn("FilterSecurityInterceptor is configured to reject public invocations." + " Your login page may not be accessible.");
        }
        return;
    }
    AnonymousAuthenticationFilter anonPF = getFilter(AnonymousAuthenticationFilter.class, filters);
    if (anonPF == null) {
        logger.warn("The login page is being protected by the filter chain, but you don't appear to have" + " anonymous authentication enabled. This is almost certainly an error.");
        return;
    }
    // Simulate an anonymous access with the supplied attributes.
    AnonymousAuthenticationToken token = new AnonymousAuthenticationToken("key", anonPF.getPrincipal(), anonPF.getAuthorities());
    try {
        fsi.getAccessDecisionManager().decide(token, loginRequest, attributes);
    } catch (AccessDeniedException e) {
        logger.warn("Anonymous access to the login page doesn't appear to be enabled. This is almost certainly " + "an error. Please check your configuration allows unauthenticated access to the configured " + "login page. (Simulated access was rejected: " + e + ")");
    } catch (Exception e) {
        // May happen legitimately if a filter-chain request matcher requires more
        // request data than that provided
        // by the dummy request used when creating the filter invocation. See SEC-1878
        logger.info("Unable to check access to the login page to determine if anonymous access is allowed. This might be an error, but can happen under normal circumstances.", e);
    }
}