[java-opensaml] branch main updated: Add null-returning getEndpointURL variant, for logging use cases.

[Scott Cantor]

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scantor pushed a commit to branch main
in repository java-opensaml.

View the commit online:
http://git.shibboleth.net/view/?p=java-opensaml.git;a=commit;h=6264583ab2a65633cbd09f2ae284cac86d1c2150

The following commit(s) were added to refs/heads/main by this push:
     new 6264583ab Add null-returning getEndpointURL variant, for logging use cases.
6264583ab is described below

commit 6264583ab2a65633cbd09f2ae284cac86d1c2150
Author: Scott Cantor <cantor.2 at osu.edu>
AuthorDate: Thu Apr 24 12:26:08 2025 -0400

    Add null-returning getEndpointURL variant, for logging use cases.
---
 .../saml/common/binding/SAMLBindingSupport.java    | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/opensaml-saml-api/src/main/java/org/opensaml/saml/common/binding/SAMLBindingSupport.java b/opensaml-saml-api/src/main/java/org/opensaml/saml/common/binding/SAMLBindingSupport.java
index 62c05d202..f2fd88571 100644
--- a/opensaml-saml-api/src/main/java/org/opensaml/saml/common/binding/SAMLBindingSupport.java
+++ b/opensaml-saml-api/src/main/java/org/opensaml/saml/common/binding/SAMLBindingSupport.java
@@ -98,6 +98,57 @@ public final class SAMLBindingSupport {
         return false;
     }
     
+    /**
+     * Get the response URL from the relying party endpoint. If the SAML message is a 
+     * response and the relying party endpoint contains a response location 
+     * then that location is returned otherwise the normal endpoint location is returned.
+     * 
+     * <p>Instead of raising an exception, this variant returns null in the event of an
+     * inability to identify a URL to return.</p>
+     * 
+     * @param messageContext current message context
+     * 
+     * @return response URL from the relying party endpoint or null
+     * 
+     * @since 5.2.0
+     */
+    @Nullable public static URI getEndpointURLOrNull(@Nonnull final MessageContext messageContext) {
+        final SAMLPeerEntityContext peerContext = messageContext.getSubcontext(SAMLPeerEntityContext.class);
+        if (peerContext == null) {
+            return null;
+        }
+        
+        final SAMLEndpointContext endpointContext = peerContext.getSubcontext(SAMLEndpointContext.class);
+        if (endpointContext == null) {
+            return null;
+        }
+        
+        final Endpoint endpoint = endpointContext.getEndpoint();
+        if (endpoint == null) {
+            return null;
+        }
+
+        final Object message = messageContext.getMessage();
+        if ((message instanceof org.opensaml.saml.saml2.core.StatusResponseType 
+                || message instanceof org.opensaml.saml.saml1.core.Response) 
+                && !Strings.isNullOrEmpty(endpoint.getResponseLocation())) {
+            try {
+                return new URI(endpoint.getResponseLocation());
+            } catch (final URISyntaxException e) {
+                return null;
+            }
+        }
+        
+        if (Strings.isNullOrEmpty(endpoint.getLocation())) {
+            return null;
+        }
+        try {
+            return new URI(endpoint.getLocation());
+        } catch (final URISyntaxException e) {
+            return null;
+        }
+    }
+    
     /**
      * Get the response URL from the relying party endpoint. If the SAML message is a 
      * response and the relying party endpoint contains a response location 

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