[java-shib-profile] branch main updated: JSPROF-1 - Move RelyingParty "layer" into java-shib-profile

Scott Cantor cantor.2 at osu.edu
Tue Feb 14 19:20:39 UTC 2023


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

View the commit online:
http://git.shibboleth.net/view/?p=java-shib-profile.git;a=commit;h=52a420c3149b939746302e9e6c67360c0c13b6f2

The following commit(s) were added to refs/heads/main by this push:
     new 52a420c  JSPROF-1 - Move RelyingParty "layer" into java-shib-profile
52a420c is described below

commit 52a420c3149b939746302e9e6c67360c0c13b6f2
Author: Scott Cantor <cantor.2 at osu.edu>
AuthorDate: Tue Feb 14 14:20:36 2023 -0500

    JSPROF-1 - Move RelyingParty "layer" into java-shib-profile
    
    https://shibboleth.atlassian.net/browse/JSPROF-1
    
    Migrate down subset of relying party lookup functions and base classes.
---
 shib-profile-api/pom.xml                           |  15 +++
 ...DefaultSecurityConfigurationLookupFunction.java |  73 ++++++++++++
 ...ntTLSValidationConfigurationLookupFunction.java |  70 ++++++++++++
 .../DecryptionConfigurationLookupFunction.java     |  71 ++++++++++++
 .../EncryptionConfigurationLookupFunction.java     |  71 ++++++++++++
 ...IdentifierGenerationStrategyLookupFunction.java |  77 +++++++++++++
 ...ignatureSigningConfigurationLookupFunction.java |  72 ++++++++++++
 ...atureValidationConfigurationLookupFunction.java |  72 ++++++++++++
 .../profile/config/navigate/package-info.java      |  21 ++++
 .../AbstractRelyingPartyLookupFunction.java        |  84 ++++++++++++++
 .../navigate/RelyingPartyIdLookupFunction.java     |  46 ++++++++
 .../profile/context/navigate/package-info.java     |  21 ++++
 .../profile/logic/RelyingPartyIdPredicate.java     | 111 ++++++++++++++++++
 .../net/shibboleth/profile/logic/package-info.java |  21 ++++
 .../profile/logic/RelyingPartyIdPredicateTest.java | 127 +++++++++++++++++++++
 .../profile/logic/relyingPartyIdPredicates.xml     |  34 ++++++
 shib-profile-impl/pom.xml                          |   5 +
 .../RelyingPartiesActivationConditionFactory.java  |  71 ++++++++++++
 .../profile/logic/impl/package-info.java           |  21 ++++
 19 files changed, 1083 insertions(+)

diff --git a/shib-profile-api/pom.xml b/shib-profile-api/pom.xml
index 109ae0f..fcd35ad 100644
--- a/shib-profile-api/pom.xml
+++ b/shib-profile-api/pom.xml
@@ -34,6 +34,10 @@
             <groupId>${opensaml.groupId}</groupId>
             <artifactId>opensaml-security-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>${opensaml.groupId}</groupId>
+            <artifactId>opensaml-xmlsec-api</artifactId>
+        </dependency>
 
         <dependency>
             <groupId>${shib-shared.groupId}</groupId>
@@ -45,6 +49,17 @@
         <!-- Runtime Dependencies -->
 
         <!-- Test Dependencies -->
+        <dependency>
+            <groupId>${shib-shared.groupId}</groupId>
+            <artifactId>shib-spring</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${spring.groupId}</groupId>
+            <artifactId>spring-context</artifactId>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>
 
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/AbstractDefaultSecurityConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/AbstractDefaultSecurityConfigurationLookupFunction.java
new file mode 100644
index 0000000..50131f2
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/AbstractDefaultSecurityConfigurationLookupFunction.java
@@ -0,0 +1,73 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import org.opensaml.security.config.SecurityConfiguration;
+import org.slf4j.Logger;
+
+import net.shibboleth.profile.context.navigate.AbstractRelyingPartyLookupFunction;
+import net.shibboleth.profile.relyingparty.RelyingPartyConfigurationResolver;
+import net.shibboleth.shared.annotation.constraint.NotEmpty;
+import net.shibboleth.shared.primitive.LoggerFactory;
+import net.shibboleth.shared.service.ReloadableService;
+import net.shibboleth.shared.service.ServiceException;
+import net.shibboleth.shared.service.ServiceableComponent;
+
+/**
+ * Base class for lookup functions that require access to the default security configuration
+ * for a profile via the {@link RelyingPartyConfigurationResolver} interface.
+ * 
+ * @param <T> function return type
+ */
+public abstract class AbstractDefaultSecurityConfigurationLookupFunction<T> 
+        extends AbstractRelyingPartyLookupFunction<T> {
+    
+    /** Class logger. */
+    @Nonnull private Logger log = LoggerFactory.getLogger(AbstractDefaultSecurityConfigurationLookupFunction.class);
+    
+    /** A resolver for default security configurations. */
+    @Nullable private ReloadableService<RelyingPartyConfigurationResolver> rpResolver;
+    
+    /**
+     * Set the resolver for default security configurations.
+     * 
+     * @param resolver the resolver to use
+     */
+    public void setRelyingPartyConfigurationResolver(
+            @Nullable final ReloadableService<RelyingPartyConfigurationResolver> resolver) {
+        rpResolver = resolver;
+    }
+
+    @Nullable protected SecurityConfiguration getDefaultSecurityConfiguration(
+            @Nonnull @NotEmpty final String profileId) {
+        
+        if (rpResolver != null) {
+            try (final ServiceableComponent<RelyingPartyConfigurationResolver> component =
+                    rpResolver.getServiceableComponent()) {
+                return component.getComponent().getDefaultSecurityConfiguration(profileId);
+            } catch (final ServiceException e) {
+                log.error("RelyingPartyConfigurationResolver was invalid", e.getMessage());
+            }
+        }
+        
+        return null;
+    }
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/ClientTLSValidationConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/ClientTLSValidationConfigurationLookupFunction.java
new file mode 100644
index 0000000..d5bce7c
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/ClientTLSValidationConfigurationLookupFunction.java
@@ -0,0 +1,70 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+import org.opensaml.core.config.ConfigurationService;
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+import org.opensaml.security.x509.tls.ClientTLSValidationConfiguration;
+
+/**
+ * A function that returns a {@link ClientTLSValidationConfiguration} list by way of various lookup strategies.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class ClientTLSValidationConfigurationLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<List<ClientTLSValidationConfiguration>> {
+
+    /** {@inheritDoc} */
+    @Nullable public List<ClientTLSValidationConfiguration> apply(@Nullable final ProfileRequestContext input) {
+        
+        final List<ClientTLSValidationConfiguration> configs = new ArrayList<>();
+        
+        final RelyingPartyContext rpc = getRelyingPartyContext(input);
+        if (rpc != null) {
+            final ProfileConfiguration pc = rpc.getProfileConfig();
+            if (pc != null) {
+                final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                if (sc != null && sc.getClientTLSValidationConfiguration() != null) {
+                    configs.add(sc.getClientTLSValidationConfiguration());
+                }
+            }
+        }
+        
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig != null && defaultConfig.getClientTLSValidationConfiguration() != null) {
+                configs.add(defaultConfig.getClientTLSValidationConfiguration());
+            }
+        }
+
+        configs.add(ConfigurationService.get(ClientTLSValidationConfiguration.class));
+        
+        return configs;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/DecryptionConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/DecryptionConfigurationLookupFunction.java
new file mode 100644
index 0000000..79144d7
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/DecryptionConfigurationLookupFunction.java
@@ -0,0 +1,71 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+import org.opensaml.xmlsec.DecryptionConfiguration;
+import org.opensaml.xmlsec.SecurityConfigurationSupport;
+import org.opensaml.xmlsec.config.XMLSecurityConfiguration;
+
+/**
+ * A function that returns a {@link DecryptionConfiguration} list by way of various lookup strategies.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class DecryptionConfigurationLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<List<DecryptionConfiguration>> {
+
+    /** {@inheritDoc} */
+    @Nullable public List<DecryptionConfiguration> apply(@Nullable final ProfileRequestContext input) {
+
+        final List<DecryptionConfiguration> configs = new ArrayList<>();
+        
+        final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+        if (rpc != null) {
+            final ProfileConfiguration pc = rpc.getProfileConfig();
+            if (pc != null) {
+                final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                if (sc instanceof XMLSecurityConfiguration xsc && xsc.getDecryptionConfiguration() != null) {
+                    configs.add(xsc.getDecryptionConfiguration());
+                }
+            }
+        }
+        
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig instanceof XMLSecurityConfiguration xsc && xsc.getDecryptionConfiguration() != null) {
+                configs.add(xsc.getDecryptionConfiguration());
+            }
+        }
+
+        configs.add(SecurityConfigurationSupport.getGlobalDecryptionConfiguration());
+        
+        return configs;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/EncryptionConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/EncryptionConfigurationLookupFunction.java
new file mode 100644
index 0000000..4d1c6a4
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/EncryptionConfigurationLookupFunction.java
@@ -0,0 +1,71 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+import org.opensaml.xmlsec.EncryptionConfiguration;
+import org.opensaml.xmlsec.SecurityConfigurationSupport;
+import org.opensaml.xmlsec.config.XMLSecurityConfiguration;
+
+/**
+ * A function that returns a {@link EncryptionConfiguration} list using injected lookup strategies.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class EncryptionConfigurationLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<List<EncryptionConfiguration>> {
+    
+    /** {@inheritDoc} */
+    @Nullable public List<EncryptionConfiguration> apply(@Nullable final ProfileRequestContext input) {
+        
+        final List<EncryptionConfiguration> configs = new ArrayList<>();
+        
+        final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+        if (rpc != null) {
+            final ProfileConfiguration pc = rpc.getProfileConfig();
+            if (pc != null) {
+                final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                if (sc instanceof XMLSecurityConfiguration xsc && xsc.getEncryptionConfiguration() != null) {
+                    configs.add(xsc.getEncryptionConfiguration());
+                }
+            }
+        }
+        
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig instanceof XMLSecurityConfiguration xsc && xsc.getEncryptionConfiguration() != null) {
+                configs.add(xsc.getEncryptionConfiguration());
+            }
+        }
+
+        configs.add(SecurityConfigurationSupport.getGlobalEncryptionConfiguration());
+        
+        return configs;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/IdentifierGenerationStrategyLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/IdentifierGenerationStrategyLookupFunction.java
new file mode 100644
index 0000000..4fbf090
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/IdentifierGenerationStrategyLookupFunction.java
@@ -0,0 +1,77 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+import net.shibboleth.shared.security.IdentifierGenerationStrategy;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+
+/**
+ * A function that returns an {@link IdentifierGenerationStrategy} by way of a {@link RelyingPartyContext}
+ * obtained via a lookup function, by default a child of the {@link ProfileRequestContext}.
+ * 
+ * <p>If a specific setting is unavailable, a default generator can be returned.</p>
+ */
+public class IdentifierGenerationStrategyLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<IdentifierGenerationStrategy> {
+
+    /** Default strategy to return. */
+    @Nullable private IdentifierGenerationStrategy defaultGenerator;
+    
+    /**
+     * Set the default {@link IdentifierGenerationStrategy} to return.
+     * 
+     * @param strategy  default generation strategy;
+     */
+    public void setDefaultIdentifierGenerationStrategy(@Nullable final IdentifierGenerationStrategy strategy) {
+        defaultGenerator = strategy;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    @Nullable public IdentifierGenerationStrategy apply(@Nullable final ProfileRequestContext input) {
+        if (input != null) {
+            final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+            if (rpc != null) {
+                final ProfileConfiguration pc = rpc.getProfileConfig();
+                if (pc != null) {
+                    final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                    if (sc != null) {
+                        return sc.getIdGenerator();
+                    }
+                }
+            }
+        }
+
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig != null && defaultConfig.getIdGenerator() != null) {
+                return defaultConfig.getIdGenerator();
+            }
+        }
+
+        return defaultGenerator;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureSigningConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureSigningConfigurationLookupFunction.java
new file mode 100644
index 0000000..a1991b4
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureSigningConfigurationLookupFunction.java
@@ -0,0 +1,72 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+import org.opensaml.xmlsec.SignatureSigningConfiguration;
+import org.opensaml.xmlsec.config.XMLSecurityConfiguration;
+import org.opensaml.xmlsec.SecurityConfigurationSupport;
+
+/**
+ * A function that returns a {@link SignatureSigningConfiguration} list by way of various lookup strategies.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class SignatureSigningConfigurationLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<List<SignatureSigningConfiguration>> {
+
+    /** {@inheritDoc} */
+    @Nullable public List<SignatureSigningConfiguration> apply(@Nullable final ProfileRequestContext input) {
+        
+        final List<SignatureSigningConfiguration> configs = new ArrayList<>();
+        
+        final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+        if (rpc != null) {
+            final ProfileConfiguration pc = rpc.getProfileConfig();
+            if (pc != null) {
+                final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                if (sc instanceof XMLSecurityConfiguration xsc && xsc.getSignatureSigningConfiguration() != null) {
+                    configs.add(xsc.getSignatureSigningConfiguration());
+                }
+            }
+        }
+        
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig instanceof XMLSecurityConfiguration xsc &&
+                    xsc.getSignatureSigningConfiguration() != null) {
+                configs.add(xsc.getSignatureSigningConfiguration());
+            }
+        }
+
+        configs.add(SecurityConfigurationSupport.getGlobalSignatureSigningConfiguration());
+        
+        return configs;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureValidationConfigurationLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureValidationConfigurationLookupFunction.java
new file mode 100644
index 0000000..afd42b3
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/SignatureValidationConfigurationLookupFunction.java
@@ -0,0 +1,72 @@
+/*
+ * 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 net.shibboleth.profile.config.navigate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.config.ProfileConfiguration;
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.opensaml.security.config.SecurityConfiguration;
+import org.opensaml.xmlsec.SignatureValidationConfiguration;
+import org.opensaml.xmlsec.config.XMLSecurityConfiguration;
+import org.opensaml.xmlsec.SecurityConfigurationSupport;
+
+/**
+ * A function that returns a {@link SignatureValidationConfiguration} list by way of various lookup strategies.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class SignatureValidationConfigurationLookupFunction
+        extends AbstractDefaultSecurityConfigurationLookupFunction<List<SignatureValidationConfiguration>> {
+
+    /** {@inheritDoc} */
+    @Nullable public List<SignatureValidationConfiguration> apply(@Nullable final ProfileRequestContext input) {
+        
+        final List<SignatureValidationConfiguration> configs = new ArrayList<>();
+        
+        final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+        if (rpc != null) {
+            final ProfileConfiguration pc = rpc.getProfileConfig();
+            if (pc != null) {
+                final SecurityConfiguration sc = pc.getSecurityConfiguration(input);
+                if (sc instanceof XMLSecurityConfiguration xsc && xsc.getSignatureValidationConfiguration() != null) {
+                    configs.add(xsc.getSignatureValidationConfiguration());
+                }
+            }
+        }
+        
+        // Check for a per-profile default (relying party independent) config.
+        if (input != null) {
+            final SecurityConfiguration defaultConfig = getDefaultSecurityConfiguration(input.getProfileId());
+            if (defaultConfig instanceof XMLSecurityConfiguration xsc &&
+                    xsc.getSignatureValidationConfiguration() != null) {
+                configs.add(xsc.getSignatureValidationConfiguration());
+            }
+        }
+
+        configs.add(SecurityConfigurationSupport.getGlobalSignatureValidationConfiguration());
+        
+        return configs;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/package-info.java b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/package-info.java
new file mode 100644
index 0000000..ed3ed5c
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/config/navigate/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+/**
+ * Lookup functions for accessing profile configuration and related settings.
+ */
+package net.shibboleth.profile.config.navigate;
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/AbstractRelyingPartyLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/AbstractRelyingPartyLookupFunction.java
new file mode 100644
index 0000000..e2c64e5
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/AbstractRelyingPartyLookupFunction.java
@@ -0,0 +1,84 @@
+/*
+ * 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 net.shibboleth.profile.context.navigate;
+
+import java.util.function.Function;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import net.shibboleth.profile.context.RelyingPartyContext;
+import net.shibboleth.shared.logic.Constraint;
+
+import org.opensaml.messaging.context.navigate.ChildContextLookup;
+import org.opensaml.messaging.context.navigate.ContextDataLookupFunction;
+import org.opensaml.profile.context.ProfileRequestContext;
+
+/**
+ * Abstract base class for a function that requires a {@link RelyingPartyContext}
+ * obtained via a lookup function, by default a child of the {@link ProfileRequestContext}.
+ * 
+ * @param <ResultType> return type of function
+ */
+public abstract class AbstractRelyingPartyLookupFunction<ResultType>
+        implements ContextDataLookupFunction<ProfileRequestContext,ResultType> {
+
+    /**
+     * Strategy used to locate the {@link RelyingPartyContext} associated with a given {@link ProfileRequestContext}.
+     */
+    @Nonnull private Function<ProfileRequestContext,RelyingPartyContext> relyingPartyContextLookupStrategy;
+    
+    /** Constructor. */
+    public AbstractRelyingPartyLookupFunction() {
+        relyingPartyContextLookupStrategy = new ChildContextLookup<>(RelyingPartyContext.class);
+    }
+
+    /**
+     * Set the strategy used to locate the {@link RelyingPartyContext} associated with a given
+     * {@link ProfileRequestContext}.
+     * 
+     * @param strategy lookup strategy
+     */
+    public void setRelyingPartyContextLookupStrategy(
+            @Nonnull final Function<ProfileRequestContext,RelyingPartyContext> strategy) {
+        relyingPartyContextLookupStrategy =
+                Constraint.isNotNull(strategy, "RelyingPartyContext lookup strategy cannot be null");
+    }
+    
+    /**
+     * Get the strategy used to locate the {@link RelyingPartyContext} associated with a given
+     * {@link ProfileRequestContext}.
+     * 
+     * @return lookup strategy
+     */
+    @Nonnull public Function<ProfileRequestContext,RelyingPartyContext> getRelyingPartyContextLookupStrategy() {
+        return relyingPartyContextLookupStrategy;
+    }
+    
+    /**
+     * Invokes the installed lookup function to locate the {@link RelyingPartyContext}.
+     * 
+     * @param input profile request context
+     * 
+     * @return the {@link RelyingPartyContext} or null
+     */
+    @Nullable protected RelyingPartyContext getRelyingPartyContext(@Nullable final ProfileRequestContext input) {
+        return relyingPartyContextLookupStrategy.apply(input); 
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/RelyingPartyIdLookupFunction.java b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/RelyingPartyIdLookupFunction.java
new file mode 100644
index 0000000..a3dcf2f
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/RelyingPartyIdLookupFunction.java
@@ -0,0 +1,46 @@
+/*
+ * 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 net.shibboleth.profile.context.navigate;
+
+import javax.annotation.Nullable;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+
+import net.shibboleth.profile.context.RelyingPartyContext;
+
+/**
+ * A function that returns {@link RelyingPartyContext#getRelyingPartyId()} from a
+ * {@link RelyingPartyContext} obtained via a lookup function, by default a child of the {@link ProfileRequestContext}.
+ * 
+ * <p>If a specific setting is unavailable, a null value is returned.</p>
+ */
+public class RelyingPartyIdLookupFunction extends AbstractRelyingPartyLookupFunction<String> {
+
+    /** {@inheritDoc} */
+    @Nullable public String apply(@Nullable final ProfileRequestContext input) {
+        if (input != null) {
+            final RelyingPartyContext rpc = getRelyingPartyContextLookupStrategy().apply(input);
+            if (rpc != null) {
+                return rpc.getRelyingPartyId();
+            }
+        }
+        
+        return null;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/package-info.java b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/package-info.java
new file mode 100644
index 0000000..381aa04
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/context/navigate/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+/**
+ * Context lookup functions that navigate profile contexts.
+ */
+package net.shibboleth.profile.context.navigate;
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/logic/RelyingPartyIdPredicate.java b/shib-profile-api/src/main/java/net/shibboleth/profile/logic/RelyingPartyIdPredicate.java
new file mode 100644
index 0000000..491f699
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/logic/RelyingPartyIdPredicate.java
@@ -0,0 +1,111 @@
+/*
+ * 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 net.shibboleth.profile.logic;
+
+import java.util.Collection;
+import java.util.function.Predicate;
+
+import javax.annotation.Nonnull;
+
+import net.shibboleth.profile.context.RelyingPartyContext;
+import net.shibboleth.profile.context.navigate.RelyingPartyIdLookupFunction;
+import net.shibboleth.shared.annotation.ParameterName;
+import net.shibboleth.shared.annotation.constraint.NonnullElements;
+import net.shibboleth.shared.annotation.constraint.NotEmpty;
+import net.shibboleth.shared.collection.CollectionSupport;
+import net.shibboleth.shared.logic.StrategyIndirectedPredicate;
+import net.shibboleth.shared.primitive.StringSupport;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+
+/**
+ * Predicate that evaluates a {@link ProfileRequestContext} by looking for a relying party ID
+ * that matches one of a designated set, or a generic predicate. The ID is obtained from a
+ * {@link RelyingPartyContext} child of the profile request context.
+ */
+public class RelyingPartyIdPredicate extends StrategyIndirectedPredicate<ProfileRequestContext,String> {
+
+    /**
+     * Constructor.
+     * 
+     * @param candidates hardwired set of values to check against
+     */
+    public RelyingPartyIdPredicate(
+            @Nonnull @NonnullElements @ParameterName(name="candidates") final Collection<String> candidates) {
+        super(new RelyingPartyIdLookupFunction(), StringSupport.normalizeStringCollection(candidates));
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param candidate a single value to check against
+     */
+    public RelyingPartyIdPredicate(@Nonnull @NotEmpty @ParameterName(name="candidate") final String candidate) {
+        this(CollectionSupport.singleton(candidate));
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param pred generalized predicate
+     */
+    public RelyingPartyIdPredicate(@Nonnull @ParameterName(name="pred") final Predicate<String> pred) {
+        super(new RelyingPartyIdLookupFunction(), pred);
+    }
+    
+    /**
+     * Workaround for Spring type conversion ambiguities.
+     * 
+     * @param candidates hardwired set of values to check against
+     * 
+     * @return the predicate
+     * 
+     * @since 3.4.0
+     */
+    @Nonnull public static RelyingPartyIdPredicate fromCandidates(
+            @Nonnull @NonnullElements final Collection<String> candidates) {
+        return new RelyingPartyIdPredicate(candidates);
+    }
+    
+    /**
+     * Workaround for Spring type conversion ambiguities.
+     * 
+     * @param candidate a single value to check against
+     * 
+     * @return the predicate
+     * 
+     *  @since 3.4.0
+     */
+    @Nonnull public static RelyingPartyIdPredicate fromCandidate(@Nonnull @NotEmpty final String candidate) {
+        return new RelyingPartyIdPredicate(candidate);
+    }
+
+    /**
+     * Workaround for Spring type conversion ambiguities.
+     * 
+     * @param pred generalized predicate
+     * 
+     * @return the predicate
+     * 
+     * @since 3.4.0
+     */
+    @Nonnull public static RelyingPartyIdPredicate fromPredicate(@Nonnull final Predicate<String> pred) {
+        return new RelyingPartyIdPredicate(pred);
+    }
+    
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/main/java/net/shibboleth/profile/logic/package-info.java b/shib-profile-api/src/main/java/net/shibboleth/profile/logic/package-info.java
new file mode 100644
index 0000000..79cd221
--- /dev/null
+++ b/shib-profile-api/src/main/java/net/shibboleth/profile/logic/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+/**
+ * Predicates that test against profile request state.
+ */
+package net.shibboleth.profile.logic;
\ No newline at end of file
diff --git a/shib-profile-api/src/test/java/net/shibboleth/profile/logic/RelyingPartyIdPredicateTest.java b/shib-profile-api/src/test/java/net/shibboleth/profile/logic/RelyingPartyIdPredicateTest.java
new file mode 100644
index 0000000..607b0cf
--- /dev/null
+++ b/shib-profile-api/src/test/java/net/shibboleth/profile/logic/RelyingPartyIdPredicateTest.java
@@ -0,0 +1,127 @@
+/*
+ * 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 net.shibboleth.profile.logic;
+
+import net.shibboleth.profile.context.RelyingPartyContext;
+import net.shibboleth.shared.collection.CollectionSupport;
+import net.shibboleth.shared.component.ComponentInitializationException;
+import net.shibboleth.shared.spring.context.FilesystemGenericApplicationContext;
+import net.shibboleth.shared.spring.custom.SchemaTypeAwareXMLBeanDefinitionReader;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.springframework.context.support.GenericApplicationContext;
+import org.testng.Assert;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+/** Unit test for {@link RelyingPartyIdPredicate}. */
+ at SuppressWarnings("javadoc")
+public class RelyingPartyIdPredicateTest {
+
+    private ProfileRequestContext prc;
+    
+    private RelyingPartyContext rpCtx;
+    
+    @BeforeMethod
+    public void setUp() {
+        prc = new ProfileRequestContext();
+        rpCtx = prc.getSubcontext(RelyingPartyContext.class, true);
+    }
+    
+    @Test
+    public void testNone() throws ComponentInitializationException {
+        final RelyingPartyIdPredicate pred = new RelyingPartyIdPredicate(CollectionSupport.emptySet());
+        
+        Assert.assertFalse(pred.test(prc));
+        
+        rpCtx.setRelyingPartyId("foo");
+        Assert.assertFalse(pred.test(prc));
+    }
+
+    @Test
+    public void testMatch() throws ComponentInitializationException {
+        final RelyingPartyIdPredicate pred = new RelyingPartyIdPredicate(CollectionSupport.singleton("foo"));
+        
+        Assert.assertFalse(pred.test(prc));
+        
+        rpCtx.setRelyingPartyId("foo");
+        Assert.assertTrue(pred.test(prc));
+    }
+
+    @Test
+    public void testNoMatch() throws ComponentInitializationException {
+        final RelyingPartyIdPredicate pred = new RelyingPartyIdPredicate(CollectionSupport.singleton("bar"));
+        
+        Assert.assertFalse(pred.test(prc));
+        
+        rpCtx.setRelyingPartyId("foo");
+        Assert.assertFalse(pred.test(prc));
+    }
+
+    @Test
+    public void springConstructors() {
+        try (final GenericApplicationContext context = new FilesystemGenericApplicationContext()) {
+            context.setDisplayName("ApplicationContext: Matcher");
+            final SchemaTypeAwareXMLBeanDefinitionReader beanDefinitionReader =
+                    new SchemaTypeAwareXMLBeanDefinitionReader(context);
+    
+            beanDefinitionReader.loadBeanDefinitions("net/shibboleth/profile/logic/relyingPartyIdPredicates.xml");
+    
+            context.refresh();
+            
+            RelyingPartyIdPredicate bean = context.getBean("candidate", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertFalse(testCandidate(bean, "Double"));
+            Assert.assertFalse(testCandidate(bean, "Elephant"));
+            
+            bean = context.getBean("candidates", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertTrue(testCandidate(bean, "Double"));
+            Assert.assertFalse(testCandidate(bean, "Elephant"));
+            
+            bean = context.getBean("pred", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertTrue(testCandidate(bean, "Double"));
+            Assert.assertTrue(testCandidate(bean, "Elephant"));
+    
+            bean = context.getBean("candidate_0", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertFalse(testCandidate(bean, "Double"));
+            Assert.assertFalse(testCandidate(bean, "Elephant"));
+            
+            bean = context.getBean("candidates_0", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertTrue(testCandidate(bean, "Double"));
+            Assert.assertFalse(testCandidate(bean, "Elephant"));
+            
+            bean = context.getBean("pred_0", RelyingPartyIdPredicate.class);
+            Assert.assertTrue(testCandidate(bean, "Single"));
+            Assert.assertTrue(testCandidate(bean, "Double"));
+            Assert.assertTrue(testCandidate(bean, "Elephant"));
+        }
+    }
+    
+    private boolean testCandidate(final RelyingPartyIdPredicate rpIdPredicate, final String rpId) {
+        final ProfileRequestContext prc = new ProfileRequestContext();
+        final RelyingPartyContext rpc = prc.getSubcontext(RelyingPartyContext.class, true);
+        assert rpc != null;
+        rpc.setRelyingPartyId(rpId);
+        return rpIdPredicate.test(prc);
+    }
+    
+}
\ No newline at end of file
diff --git a/shib-profile-api/src/test/resources/net/shibboleth/profile/logic/relyingPartyIdPredicates.xml b/shib-profile-api/src/test/resources/net/shibboleth/profile/logic/relyingPartyIdPredicates.xml
new file mode 100644
index 0000000..811b4cb
--- /dev/null
+++ b/shib-profile-api/src/test/resources/net/shibboleth/profile/logic/relyingPartyIdPredicates.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:util="http://www.springframework.org/schema/util" xmlns:c="http://www.springframework.org/schema/c" xmlns:p="http://www.springframework.org/schema/p"
+    xmlns:context="http://www.springframework.org/schema/context"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+                            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+                            http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">
+    
+    <!-- This bean MUST be called "conversionService" to work properly. -->
+    <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
+        <property name="converters">
+            <set>
+                <bean class="net.shibboleth.shared.spring.config.StringToIPRangeConverter" />
+                <bean class="net.shibboleth.shared.spring.config.BooleanToPredicateConverter" />
+                <bean class="net.shibboleth.shared.spring.config.StringBooleanToPredicateConverter" />
+                <bean class="net.shibboleth.shared.spring.config.StringToResourceConverter" />
+            </set>
+        </property>
+    </bean>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="candidate" c:candidate="Single"/>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="candidates" c:candidates="#{ {'Single', 'Double'} }"/>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="pred" c:pred="true"/>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="candidate_0" c:candidate="Single"/>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="candidates_0" c:candidates="#{ {'Single', 'Double'} }"/>
+
+    <bean class="net.shibboleth.profile.logic.RelyingPartyIdPredicate" id="pred_0" c:pred="true"/>
+    
+</beans>
+    
\ No newline at end of file
diff --git a/shib-profile-impl/pom.xml b/shib-profile-impl/pom.xml
index 6c2c320..ddd234d 100644
--- a/shib-profile-impl/pom.xml
+++ b/shib-profile-impl/pom.xml
@@ -28,6 +28,11 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>shib-attribute-api</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>shib-metadata-spring</artifactId>
diff --git a/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/RelyingPartiesActivationConditionFactory.java b/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/RelyingPartiesActivationConditionFactory.java
new file mode 100644
index 0000000..e6ca28c
--- /dev/null
+++ b/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/RelyingPartiesActivationConditionFactory.java
@@ -0,0 +1,71 @@
+/*
+ * 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 net.shibboleth.profile.logic.impl;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import org.opensaml.profile.context.ProfileRequestContext;
+import org.slf4j.Logger;
+
+import net.shibboleth.idp.attribute.transcoding.AttributeTranscoderRegistry;
+import net.shibboleth.profile.logic.RelyingPartyIdPredicate;
+import net.shibboleth.shared.primitive.LoggerFactory;
+import net.shibboleth.shared.primitive.StringSupport;
+
+/**
+ * Factory function for manufacturing activation conditions based on
+ * {@link AttributeTranscoderRegistry#PROP_RELYINGPARTIES}.
+ * 
+ * @since 5.0.0
+ */
+public class RelyingPartiesActivationConditionFactory
+        implements Function<Map<String,Object>,Predicate<ProfileRequestContext>> {
+
+    /** Class logger. */
+    @Nonnull private final Logger log = LoggerFactory.getLogger(RelyingPartiesActivationConditionFactory.class);
+
+    /** {@inheritDoc} */
+    @SuppressWarnings("unchecked")
+    @Nullable public Predicate<ProfileRequestContext> apply(@Nullable final Map<String,Object> rule) {
+        if (rule == null) {
+            return null;
+        }
+        
+        final Object relyingParties = rule.get(AttributeTranscoderRegistry.PROP_RELYINGPARTIES);
+        
+        if (relyingParties instanceof Collection) {
+            return new RelyingPartyIdPredicate((Collection<String>) relyingParties);
+        } else if (relyingParties instanceof String) {
+            final Collection<String> parsed = StringSupport.normalizeStringCollection(
+                    StringSupport.stringToList((String) relyingParties, " "));
+            return new RelyingPartyIdPredicate(parsed);
+        } else if (relyingParties != null) {
+            log.error("{} property did not contain a Collection or String, ignored",
+                    AttributeTranscoderRegistry.PROP_RELYINGPARTIES);
+        }
+        
+        return null;
+    }
+
+}
\ No newline at end of file
diff --git a/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/package-info.java b/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/package-info.java
new file mode 100644
index 0000000..85190d0
--- /dev/null
+++ b/shib-profile-impl/src/main/java/net/shibboleth/profile/logic/impl/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+/**
+ * Implementation classes supporting profile predicates.
+ */
+package net.shibboleth.profile.logic.impl;
\ No newline at end of file

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