[java-opensaml] 03/06: Predicate which evals whether inbound SAML message is signed.

[Brent Putman]

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commit 1b82daa15e643ab3ebae8a9c720877d3edbd7e88
Author: Brent Putman <putmanb at georgetown.edu>
AuthorDate: Tue Dec 17 18:21:54 2019 -0500

    Predicate which evals whether inbound SAML message is signed.
---
 .../logic/InboundMessageSignedPredicate.java       | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/opensaml-saml-api/src/main/java/org/opensaml/saml/common/profile/logic/InboundMessageSignedPredicate.java b/opensaml-saml-api/src/main/java/org/opensaml/saml/common/profile/logic/InboundMessageSignedPredicate.java
new file mode 100644
index 0000000..0f951ba
--- /dev/null
+++ b/opensaml-saml-api/src/main/java/org/opensaml/saml/common/profile/logic/InboundMessageSignedPredicate.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the University Corporation for Advanced Internet Development,
+ * Inc. (UCAID) under one or more contributor license agreements.  See the
+ * NOTICE file distributed with this work for additional information regarding
+ * copyright ownership. The UCAID licenses this file to You under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opensaml.saml.common.profile.logic;
+
+import java.util.function.Predicate;
+
+import javax.annotation.Nullable;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.saml.common.binding.SAMLBindingSupport;
+
+/**
+ * A predicate which evaluates whether an inbound SAML message is signed.
+ */
+public class InboundMessageSignedPredicate implements Predicate<ProfileRequestContext> {
+
+    /** {@inheritDoc} */
+    public boolean test(@Nullable final ProfileRequestContext prc) {
+        if (prc == null || prc.getInboundMessageContext() == null) {
+            return false;
+        }
+        return SAMLBindingSupport.isMessageSigned(prc.getInboundMessageContext());
+    }
+
+}

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