Generate Shared Test SAML Response

Issue gh-13433
This commit is contained in:
Josh Cummings 2023-07-11 10:36:03 -06:00
parent f2f19270da
commit 8d0e426654
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GPG Key ID: A306A51F43B8E5A5
3 changed files with 83 additions and 20 deletions

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@ -18,18 +18,26 @@ package org.springframework.security.config.annotation.web.configurers.saml2;
import java.io.IOException;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Collections;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import net.shibboleth.utilities.java.support.xml.SerializeSupport;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.opensaml.core.xml.config.XMLObjectProviderRegistrySupport;
import org.opensaml.core.xml.io.Marshaller;
import org.opensaml.saml.saml2.core.Assertion;
import org.opensaml.saml.saml2.core.Response;
import org.w3c.dom.Element;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ConfigurableApplicationContext;
@ -55,6 +63,7 @@ import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextChangedListener;
import org.springframework.security.core.context.SecurityContextHolderStrategy;
import org.springframework.security.saml2.core.OpenSamlInitializationService;
import org.springframework.security.saml2.core.Saml2ErrorCodes;
import org.springframework.security.saml2.core.Saml2Utils;
import org.springframework.security.saml2.core.TestSaml2X509Credentials;
@ -63,6 +72,7 @@ import org.springframework.security.saml2.provider.service.authentication.Saml2A
import org.springframework.security.saml2.provider.service.authentication.Saml2Authentication;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticationException;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticationToken;
import org.springframework.security.saml2.provider.service.authentication.TestOpenSamlObjects;
import org.springframework.security.saml2.provider.service.registration.InMemoryRelyingPartyRegistrationRepository;
import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistration;
import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository;
@ -111,7 +121,17 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
@ExtendWith(SpringTestContextExtension.class)
public class Saml2LoginConfigurerTests {
private static final String SIGNED_RESPONSE = "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";
static {
OpenSamlInitializationService.initialize();
}
private static final RelyingPartyRegistration registration = TestRelyingPartyRegistrations.noCredentials()
.signingX509Credentials((c) -> c.add(TestSaml2X509Credentials.assertingPartySigningCredential()))
.assertingPartyDetails((party) -> party.verificationX509Credentials(
(c) -> c.add(TestSaml2X509Credentials.relyingPartyVerifyingCredential())))
.build();
private static String SIGNED_RESPONSE;
private static final AuthenticationConverter AUTHENTICATION_CONVERTER = mock(AuthenticationConverter.class);
@ -138,6 +158,23 @@ public class Saml2LoginConfigurerTests {
private MockFilterChain filterChain;
@BeforeAll
static void createResponse() throws Exception {
String destination = registration.getAssertionConsumerServiceLocation();
String assertingPartyEntityId = registration.getAssertingPartyDetails().getEntityId();
String relyingPartyEntityId = registration.getEntityId();
Response response = TestOpenSamlObjects.response(destination, assertingPartyEntityId);
Assertion assertion = TestOpenSamlObjects.assertion("test@saml.user", assertingPartyEntityId,
relyingPartyEntityId, destination);
response.getAssertions().add(assertion);
Response signed = TestOpenSamlObjects.signed(response,
registration.getSigningX509Credentials().iterator().next(), relyingPartyEntityId);
Marshaller marshaller = XMLObjectProviderRegistrySupport.getMarshallerFactory().getMarshaller(signed);
Element element = marshaller.marshall(signed);
String serialized = SerializeSupport.nodeToString(element);
SIGNED_RESPONSE = Saml2Utils.samlEncode(serialized.getBytes(StandardCharsets.UTF_8));
}
@BeforeEach
public void setup() {
this.request = new MockHttpServletRequest("POST", "");
@ -672,11 +709,6 @@ public class Saml2LoginConfigurerTests {
@Bean
RelyingPartyRegistrationRepository relyingPartyRegistrationRepository() {
RelyingPartyRegistration registration = TestRelyingPartyRegistrations.noCredentials()
.signingX509Credentials((c) -> c.add(TestSaml2X509Credentials.relyingPartySigningCredential()))
.assertingPartyDetails((party) -> party.verificationX509Credentials(
(c) -> c.add(TestSaml2X509Credentials.relyingPartyVerifyingCredential())))
.build();
return spy(new InMemoryRelyingPartyRegistrationRepository(registration));
}

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@ -16,11 +16,20 @@
package org.springframework.security.config.http;
import java.nio.charset.StandardCharsets;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import net.shibboleth.utilities.java.support.xml.SerializeSupport;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.opensaml.core.xml.config.XMLObjectProviderRegistrySupport;
import org.opensaml.core.xml.io.Marshaller;
import org.opensaml.saml.saml2.core.Assertion;
import org.opensaml.saml.saml2.core.Response;
import org.w3c.dom.Element;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.parsing.BeanDefinitionParsingException;
@ -33,6 +42,7 @@ import org.springframework.security.config.test.SpringTestContextExtension;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.SecurityContextHolderStrategy;
import org.springframework.security.saml2.core.OpenSamlInitializationService;
import org.springframework.security.saml2.core.Saml2ParameterNames;
import org.springframework.security.saml2.core.Saml2Utils;
import org.springframework.security.saml2.core.TestSaml2X509Credentials;
@ -41,6 +51,7 @@ import org.springframework.security.saml2.provider.service.authentication.Saml2A
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticationException;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticationToken;
import org.springframework.security.saml2.provider.service.authentication.Saml2RedirectAuthenticationRequest;
import org.springframework.security.saml2.provider.service.authentication.TestOpenSamlObjects;
import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistration;
import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository;
import org.springframework.security.saml2.provider.service.registration.TestRelyingPartyRegistrations;
@ -79,9 +90,19 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
@SecurityTestExecutionListeners
public class Saml2LoginBeanDefinitionParserTests {
static {
OpenSamlInitializationService.initialize();
}
private static final String CONFIG_LOCATION_PREFIX = "classpath:org/springframework/security/config/http/Saml2LoginBeanDefinitionParserTests";
private static final String SIGNED_RESPONSE = "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";
private static final RelyingPartyRegistration registration = TestRelyingPartyRegistrations.noCredentials()
.signingX509Credentials((c) -> c.add(TestSaml2X509Credentials.assertingPartySigningCredential()))
.assertingPartyDetails((party) -> party.verificationX509Credentials(
(c) -> c.add(TestSaml2X509Credentials.relyingPartyVerifyingCredential())))
.build();
private static String SIGNED_RESPONSE;
private static final String IDP_SSO_URL = "https://sso-url.example.com/IDP/SSO";
@ -117,6 +138,23 @@ public class Saml2LoginBeanDefinitionParserTests {
@Autowired
private MockMvc mvc;
@BeforeAll
static void createResponse() throws Exception {
String destination = registration.getAssertionConsumerServiceLocation();
String assertingPartyEntityId = registration.getAssertingPartyDetails().getEntityId();
String relyingPartyEntityId = registration.getEntityId();
Response response = TestOpenSamlObjects.response(destination, assertingPartyEntityId);
Assertion assertion = TestOpenSamlObjects.assertion("test@saml.user", assertingPartyEntityId,
relyingPartyEntityId, destination);
response.getAssertions().add(assertion);
Response signed = TestOpenSamlObjects.signed(response,
registration.getSigningX509Credentials().iterator().next(), relyingPartyEntityId);
Marshaller marshaller = XMLObjectProviderRegistrySupport.getMarshallerFactory().getMarshaller(signed);
Element element = marshaller.marshall(signed);
String serialized = SerializeSupport.nodeToString(element);
SIGNED_RESPONSE = Saml2Utils.samlEncode(serialized.getBytes(StandardCharsets.UTF_8));
}
@Test
public void requestWhenSingleRelyingPartyRegistrationThenAutoRedirect() throws Exception {
this.spring.configLocations(this.xml("SingleRelyingPartyRegistration")).autowire();
@ -296,13 +334,9 @@ public class Saml2LoginBeanDefinitionParserTests {
throws Exception {
this.spring.configLocations(this.xml("WithCustomLoginProcessingUrl-WithCustomAuthenticationConverter"))
.autowire();
RelyingPartyRegistration relyingPartyRegistration = TestRelyingPartyRegistrations.noCredentials()
.assertingPartyDetails((party) -> party.verificationX509Credentials(
(c) -> c.add(TestSaml2X509Credentials.relyingPartyVerifyingCredential())))
.build();
String response = new String(Saml2Utils.samlDecode(SIGNED_RESPONSE));
given(this.authenticationConverter.convert(any(HttpServletRequest.class)))
.willReturn(new Saml2AuthenticationToken(relyingPartyRegistration, response));
.willReturn(new Saml2AuthenticationToken(registration, response));
// @formatter:off
MockHttpServletRequestBuilder request = post("/my/custom/url").param("SAMLResponse", SIGNED_RESPONSE);
// @formatter:on
@ -311,12 +345,8 @@ public class Saml2LoginBeanDefinitionParserTests {
}
private RelyingPartyRegistration relyingPartyRegistrationWithVerifyingCredential() {
RelyingPartyRegistration relyingPartyRegistration = TestRelyingPartyRegistrations.noCredentials()
.assertingPartyDetails((party) -> party.verificationX509Credentials(
(c) -> c.add(TestSaml2X509Credentials.relyingPartyVerifyingCredential())))
.build();
given(this.repository.findByRegistrationId(anyString())).willReturn(relyingPartyRegistration);
return relyingPartyRegistration;
given(this.repository.findByRegistrationId(anyString())).willReturn(registration);
return registration;
}
private String xml(String configName) {

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@ -118,7 +118,7 @@ public final class TestOpenSamlObjects {
return response(DESTINATION, ASSERTING_PARTY_ENTITY_ID);
}
static Response response(String destination, String issuerEntityId) {
public static Response response(String destination, String issuerEntityId) {
Response response = build(Response.DEFAULT_ELEMENT_NAME);
response.setID("R" + UUID.randomUUID().toString());
response.setVersion(SAMLVersion.VERSION_20);
@ -144,7 +144,8 @@ public final class TestOpenSamlObjects {
return assertion(USERNAME, ASSERTING_PARTY_ENTITY_ID, RELYING_PARTY_ENTITY_ID, DESTINATION);
}
static Assertion assertion(String username, String issuerEntityId, String recipientEntityId, String recipientUri) {
public static Assertion assertion(String username, String issuerEntityId, String recipientEntityId,
String recipientUri) {
Assertion assertion = build(Assertion.DEFAULT_ELEMENT_NAME);
assertion.setID("A" + UUID.randomUUID().toString());
assertion.setVersion(SAMLVersion.VERSION_20);