Add an origins(Optional) setter

Author: fdennis

webauthn-server-core/src/main/java/com/yubico/webauthn/RelyingParty.java

@@ -588,6 +588,16 @@ public static class RelyingPartyBuilder {
         Optional.empty();
     private @NonNull Optional<AttestationTrustSource> attestationTrustSource = Optional.empty();
 
+    public RelyingPartyBuilder origins(@NonNull Set<String> origins) {
+      this.origins = origins;
+      return this;
+    }
+
+    public RelyingPartyBuilder origins(Optional<Set<String>> origins) {
+      this.origins = origins.orElse(null);
+      return this;
+    }
+
     public static class MandatoryStages {
       private final RelyingPartyBuilder builder = new RelyingPartyBuilder();
 

webauthn-server-core/src/test/java/com/yubico/webauthn/RelyingPartyTest.java

@@ -103,6 +103,64 @@ public void originsIsImmutable() {
     }
   }
 
+  @Test
+  public void testOriginsWithEmptySet() {
+    Set<String> origins = new HashSet<>();
+
+    RelyingParty rp =
+        RelyingParty.builder()
+            .identity(RelyingPartyIdentity.builder().id("localhost").name("Test").build())
+            .credentialRepository(unimplementedCredentialRepository())
+            .origins(origins)
+            .build();
+
+    assertEquals(0, rp.getOrigins().size());
+  }
+
+  @Test
+  public void testOriginsWithSet() {
+    Set<String> origins = new HashSet<>();
+    origins.add("test1");
+    origins.add("test2");
+
+    RelyingParty rp =
+        RelyingParty.builder()
+            .identity(RelyingPartyIdentity.builder().id("localhost").name("Test").build())
+            .credentialRepository(unimplementedCredentialRepository())
+            .origins(origins)
+            .build();
+
+    assertEquals(2, rp.getOrigins().size());
+  }
+
+  @Test
+  public void testOriginsWithEmptyOptionalSet() {
+    RelyingParty rp =
+        RelyingParty.builder()
+            .identity(RelyingPartyIdentity.builder().id("localhost").name("Test").build())
+            .credentialRepository(unimplementedCredentialRepository())
+            .origins(Optional.empty())
+            .build();
+
+    assertEquals(1, rp.getOrigins().size());
+  }
+
+  @Test
+  public void testOriginsWithOptionalSet() {
+    Set<String> origins = new HashSet<>();
+    origins.add("test1");
+    origins.add("test2");
+
+    RelyingParty rp =
+        RelyingParty.builder()
+            .identity(RelyingPartyIdentity.builder().id("localhost").name("Test").build())
+            .credentialRepository(unimplementedCredentialRepository())
+            .origins(Optional.of(origins))
+            .build();
+
+    assertEquals(2, rp.getOrigins().size());
+  }
+
   @Test
   public void filtersAlgorithmsToThoseAvailable() throws HexException {
     for (Provider prov : Security.getProviders()) {

webauthn-server-core/src/test/scala/com/yubico/webauthn/RelyingPartyStartOperationSpec.scala

@@ -115,7 +115,7 @@ class RelyingPartyStartOperationSpec
         .identity(rpId)
         .credentialRepository(credRepo(credentials, userId))
         .preferredPubkeyParams(List(PublicKeyCredentialParameters.ES256).asJava)
-        .origins(Set.empty.asJava)
+        .origins(Set.empty[String].asJava)
       appId.foreach { appid => builder = builder.appId(appid) }
       attestationConveyancePreference.foreach { acp =>
         builder = builder.attestationConveyancePreference(acp)