SONAR-16493 Add SAML option for enabling signed service provider requests and a new input for the service provider certificate.

server/sonar-auth-saml/src/main/java/org/sonar/auth/saml/SamlIdentityProvider.java

@@ -57,6 +57,7 @@ public class SamlIdentityProvider implements OAuth2IdentityProvider {
 
   private static final String ANY_URL = "http://anyurl";
   private static final String STATE_REQUEST_PARAMETER = "RelayState";
+  public static final String RSA_SHA_256_URL = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256";
 
   private final SamlSettings samlSettings;
   private final SamlMessageIdChecker samlMessageIdChecker;
@@ -193,8 +194,18 @@ public class SamlIdentityProvider implements OAuth2IdentityProvider {
     samlData.put("onelogin.saml2.idp.x509cert", samlSettings.getCertificate());
 
     // Service Provider configuration
-    samlData.put("onelogin.saml2.sp.privatekey", samlSettings.getServiceProviderPrivateKey());
     samlData.put("onelogin.saml2.sp.entityid", samlSettings.getApplicationId());
+    if (samlSettings.isSignRequestsEnabled()) {
+      samlData.put("onelogin.saml2.security.authnrequest_signed", true);
+      samlData.put("onelogin.saml2.security.logoutrequest_signed", true);
+      samlData.put("onelogin.saml2.security.logoutresponse_signed", true);
+      samlData.put("onelogin.saml2.sp.x509cert", samlSettings.getServiceProviderCertificate());
+      samlData.put("onelogin.saml2.sp.privatekey",
+        samlSettings.getServiceProviderPrivateKey().orElseThrow(() -> new IllegalArgumentException("Service provider private key is missing")));
+    } else {
+      samlSettings.getServiceProviderPrivateKey().ifPresent(privateKey -> samlData.put("onelogin.saml2.sp.privatekey", privateKey));
+    }
+    samlData.put("onelogin.saml2.security.signature_algorithm", RSA_SHA_256_URL);
 
     // During callback, the callback URL is by definition not needed, but the Saml2Settings does never allow this setting to be empty...
     samlData.put("onelogin.saml2.sp.assertion_consumer_service.url", callbackUrl != null ? callbackUrl : ANY_URL);

server/sonar-auth-saml/src/main/java/org/sonar/auth/saml/SamlSettings.java

@@ -46,6 +46,8 @@ public class SamlSettings {
   public static final String USER_EMAIL_ATTRIBUTE = "sonar.auth.saml.user.email";
   public static final String GROUP_NAME_ATTRIBUTE = "sonar.auth.saml.group.name";
 
+  private static final String SIGN_REQUESTS_ENABLED = "sonar.auth.saml.signature.enabled";
+  public static final String SERVICE_PROVIDER_CERTIFICATE = "sonar.auth.saml.sp.certificate.secured";
   public static final String SERVICE_PROVIDER_PRIVATE_KEY = "sonar.auth.saml.sp.privateKey.secured";
 
   public static final String CATEGORY = "security";
@@ -85,8 +87,16 @@ public class SamlSettings {
     return configuration.get(USER_NAME_ATTRIBUTE).orElseThrow(() -> new IllegalArgumentException("User name attribute is missing"));
   }
 
-  String getServiceProviderPrivateKey(){
-    return configuration.get(SERVICE_PROVIDER_PRIVATE_KEY).orElseThrow(() -> new IllegalArgumentException("Service provider private key is missing"));
+  boolean isSignRequestsEnabled() {
+    return configuration.getBoolean(SIGN_REQUESTS_ENABLED).orElse(false);
+  }
+
+  Optional<String> getServiceProviderPrivateKey() {
+    return configuration.get(SERVICE_PROVIDER_PRIVATE_KEY);
+  }
+
+  String getServiceProviderCertificate() {
+    return configuration.get(SERVICE_PROVIDER_CERTIFICATE).orElseThrow(() -> new IllegalArgumentException("Service provider certificate is missing"));
   }
 
   Optional<String> getUserEmail() {
@@ -185,13 +195,30 @@ public class SamlSettings {
         .subCategory(SUBCATEGORY)
         .index(10)
         .build(),
+      PropertyDefinition.builder(SIGN_REQUESTS_ENABLED)
+        .name("Sign requests")
+        .description("Enables signature of SAML requests. It requires both service provider private key and certificate to be set.")
+        .category(CATEGORY)
+        .subCategory(SUBCATEGORY)
+        .type(BOOLEAN)
+        .defaultValue(valueOf(false))
+        .index(11)
+        .build(),
       PropertyDefinition.builder(SERVICE_PROVIDER_PRIVATE_KEY)
         .name("Service provider private key")
-        .description("The private key used for signing the requests and decrypting responses from the IdP.")
+        .description("PKCS8 stored private key used for signing the requests and decrypting responses from the identity provider. ")
         .category(CATEGORY)
         .subCategory(SUBCATEGORY)
         .type(PASSWORD)
-        .index(11)
+        .index(12)
+        .build(),
+      PropertyDefinition.builder(SERVICE_PROVIDER_CERTIFICATE)
+        .name("Service provider certificate")
+        .description("X.509 certificate for the service provider.")
+        .category(CATEGORY)
+        .subCategory(SUBCATEGORY)
+        .type(PASSWORD)
+        .index(13)
         .build());
   }
 }

server/sonar-auth-saml/src/test/java/org/sonar/auth/saml/SamlIdentityProviderTest.java

@@ -22,6 +22,7 @@ package org.sonar.auth.saml;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -42,6 +43,7 @@ import org.sonar.db.DbTester;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -55,10 +57,7 @@ public class SamlIdentityProviderTest {
 
   private static final String IDP_CERTIFICATE = "-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----";
 
-  /* SP certificate
-  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
-   */
-
+  private static final String SP_CERTIFICATE = "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";
   private static final String SP_PRIVATE_KEY = "-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----";
 
   @Rule
@@ -193,6 +192,19 @@ public class SamlIdentityProviderTest {
     assertThat(callbackContext.userIdentity.getGroups()).containsExactlyInAnyOrder("developer", "product-manager");
   }
 
+  @Test
+  public void callback_on_signed_request() throws IOException {
+    setSettings(true);
+    settings.setProperty("sonar.auth.saml.signature.enabled", true);
+    DumbInitContext context = new DumbInitContext();
+
+    underTest.init(context);
+
+    String[] samlRequestParams = {"http://localhost:8080/auth/realms/sonarqube/protocol/saml",
+      "?SigAlg=http%3A%2F%2Fwww.w3.org%2F2001%2F04%2Fxmldsig-more%23rsa-sha256", "&SAMLRequest=", "&Signature="};
+    verify(context.response).sendRedirect(argThat(x -> Arrays.stream(samlRequestParams).allMatch(x::contains)));
+  }
+
   @Test
   public void callback_on_minimal_response() {
     setSettings(true);
@@ -303,7 +315,8 @@ public class SamlIdentityProviderTest {
       settings.setProperty("sonar.auth.saml.providerId", "http://localhost:8080/auth/realms/sonarqube");
       settings.setProperty("sonar.auth.saml.loginUrl", "http://localhost:8080/auth/realms/sonarqube/protocol/saml");
       settings.setProperty("sonar.auth.saml.certificate.secured", IDP_CERTIFICATE);
-      settings.setProperty("sonar.auth.saml.sp.privateKey.secured",        SP_PRIVATE_KEY);
+      settings.setProperty("sonar.auth.saml.sp.privateKey.secured", SP_PRIVATE_KEY);
+      settings.setProperty("sonar.auth.saml.sp.certificate.secured", SP_CERTIFICATE);
       settings.setProperty("sonar.auth.saml.user.login", "login");
       settings.setProperty("sonar.auth.saml.user.name", "name");
       settings.setProperty("sonar.auth.saml.user.email", "email");

server/sonar-auth-saml/src/test/java/org/sonar/auth/saml/SamlModuleTest.java

@@ -30,6 +30,6 @@ public class SamlModuleTest {
   public void verify_count_of_added_components() {
     ListContainer container = new ListContainer();
     new SamlModule().configure(container);
-    assertThat(container.getAddedObjects()).hasSize(14);
+    assertThat(container.getAddedObjects()).hasSize(16);
   }
 }

server/sonar-auth-saml/src/test/java/org/sonar/auth/saml/SamlSettingsTest.java

@@ -86,11 +86,27 @@ public class SamlSettingsTest {
     assertThat(underTest.getCertificate()).isEqualTo("ABCDEFG");
   }
 
+  @Test
+  public void is_sign_requests_enabled() {
+    settings.setProperty("sonar.auth.saml.signature.enabled", true);
+    assertThat(underTest.isSignRequestsEnabled()).isTrue();
+
+    settings.setProperty("sonar.auth.saml.signature.enabled", false);
+    assertThat(underTest.isSignRequestsEnabled()).isFalse();
+  }
+
+  @Test
+  public void return_service_provider_certificate() {
+    settings.setProperty("sonar.auth.saml.sp.certificate.secured", "my_certificate");
+
+    assertThat(underTest.getServiceProviderCertificate()).isEqualTo("my_certificate");
+  }
+
   @Test
   public void return_service_provider_private_key() {
     settings.setProperty("sonar.auth.saml.sp.privateKey.secured", "my_private_secret_private_key");
 
-    assertThat(underTest.getServiceProviderPrivateKey()).isEqualTo("my_private_secret_private_key");
+    assertThat(underTest.getServiceProviderPrivateKey()).hasValue("my_private_secret_private_key");
   }
 
   @Test