[ELY-1996] [Community] SSLContext to support delegation to alternate …

…instances based on peer information.

ELY_Messages.txt

@@ -126,7 +126,7 @@
 24000 - 24999    wildfly-elytron-jose-jwk
 25000 - 25999    wildfly-elytron-jose-jws
 26000 - 26999    wildfly-elytron-jose-util
-27000 - 27999
+27000 - 27999    wildfly-elytron-dynamic-ssl
 28000 - 28999
 29000 - 29999
 30000 - 30999

auth/client/pom.xml

@@ -76,7 +76,6 @@
             <groupId>org.wildfly.security</groupId>
             <artifactId>wildfly-elytron-ssh-util</artifactId>
         </dependency>
-
         <dependency>
             <groupId>org.jboss.logging</groupId>
             <artifactId>jboss-logging-annotations</artifactId>

auth/client/src/main/java/org/wildfly/security/auth/client/AuthenticationContext.java

@@ -361,6 +361,10 @@ public <T, E extends Exception> T runAsSupplierEx(ExceptionSupplier<T, E> action
         return runExFunction(ExceptionSupplier::get, action);
     }
 
+    RuleNode<SecurityFactory<SSLContext>> getSslRules() {
+        return this.sslRules;
+    }
+
     public ContextManager<AuthenticationContext> getInstanceContextManager() {
         return getContextManager();
     }

auth/client/src/main/java/org/wildfly/security/auth/client/AuthenticationContextConfigurationClient.java

@@ -30,7 +30,9 @@
 import java.security.Principal;
 import java.security.PrivilegedAction;
 import java.security.Provider;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import java.util.function.Supplier;
 import java.util.function.UnaryOperator;
 
@@ -196,6 +198,46 @@ private static AuthenticationConfiguration initializeConfiguration(final URI uri
         return configuration;
     }
 
+    /**
+     * Get all SSL contexts configured for this authentication context.
+     *
+     * @param authenticationContext the authentication context to examine (must not be {@code null})
+     * @return List of all configured SSL contexts belonging to the provided authentication context
+     */
+    public List<SSLContext> getConfiguredSSLContexts(AuthenticationContext authenticationContext) throws GeneralSecurityException {
+        List<SSLContext> sslContexts = new ArrayList<>();
+        if (authenticationContext == null) {
+            return sslContexts;
+        }
+        RuleNode<SecurityFactory<SSLContext>> node = authenticationContext.getSslRules();
+        while (node != null) {
+            sslContexts.add(node.getConfiguration().create());
+            node = node.getNext();
+        }
+        return sslContexts;
+    }
+
+    /**
+     * Get the default SSL context that should be used when no other rules match, or {@link SSLContext#getDefault()} if there is none configured.
+     *
+     * @param authenticationContext the authentication context to examine (must not be {@code null})
+     * @return the default SSL context configured if no other rules match
+     */
+    public SSLContext getDefaultSSLContext(AuthenticationContext authenticationContext) throws GeneralSecurityException {
+        SSLContext defaultSSLContext = null;
+        if (authenticationContext == null) {
+            return SSLContext.getDefault();
+        }
+        RuleNode<SecurityFactory<SSLContext>> node = authenticationContext.getSslRules();
+        while (node != null) {
+            if (node.getRule().equals(MatchRule.ALL)) {
+                defaultSSLContext = node.getConfiguration().create();
+            }
+            node = node.getNext();
+        }
+        return defaultSSLContext == null ? SSLContext.getDefault() : defaultSSLContext;
+    }
+
     /**
      * Get the configured SSL context which matches ALL rules from provided AuthenticationContext, or {@link SSLContext#getDefault()} if there is none.
      *

dynamic-ssl/pom.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.wildfly.security</groupId>
+        <artifactId>wildfly-elytron-parent</artifactId>
+        <version>2.3.2.CR1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>wildfly-elytron-dynamic-ssl</artifactId>
+
+    <name>WildFly Elytron - Dynamic SSL</name>
+    <description>WildFly Security Dynamic SSL Implementation</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging-annotations</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging-processor</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logmanager</groupId>
+            <artifactId>jboss-logmanager</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly.security</groupId>
+            <artifactId>wildfly-elytron-client</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.kohsuke.metainf-services</groupId>
+            <artifactId>metainf-services</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly.common</groupId>
+            <artifactId>wildfly-common</artifactId>
+            <scope>compile</scope>
+        </dependency>
+
+        <!--test dependencies-->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <!-- Mock Web Server -->
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>mockwebserver</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mock-server</groupId>
+            <artifactId>mockserver-netty</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly.client</groupId>
+            <artifactId>wildfly-client-config</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

dynamic-ssl/src/main/java/org/wildfly/security/dynamic/ssl/DynamicSSLContext.java

@@ -0,0 +1,54 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2024 Red Hat, Inc., and individual contributors
+ * as indicated by the @author tags.
+ *
+ * Licensed 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.wildfly.security.dynamic.ssl;
+
+import javax.net.ssl.SSLContext;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * SSLContext that resolves which SSLContext to use based on peer's host and port information.
+ *
+ * @author <a href="mailto:dvilkola@redhat.com">Diana Krepinska</a>
+ */
+public final class DynamicSSLContext extends SSLContext {
+
+    private static SSLContext resolverSSLContext(DynamicSSLContextSPI dynamicSSLContextSPIImpl) throws NoSuchAlgorithmException, DynamicSSLContextException {
+        return dynamicSSLContextSPIImpl.getConfiguredDefault() == null ?
+                SSLContext.getDefault() : dynamicSSLContextSPIImpl.getConfiguredDefault();
+    }
+
+    /**
+     * This constructor uses ServiceLoader to find provider of DynamicSSLContextSPI on classpath.
+     */
+    public DynamicSSLContext() throws NoSuchAlgorithmException {
+        // this does not use provider and protocol from DynamicSSLContextSPI implementation found on classpath
+        // to avoid this ServiceLoader.load would have to be called 3 times in separate static method
+        super(new DynamicSSLContextSpiImpl(), SSLContext.getDefault().getProvider(), SSLContext.getDefault().getProtocol());
+    }
+
+    /**
+     * This constructor uses received DynamicSSLContextSPI implementation or finds it on classpath if received is null.
+     *
+     * @param dynamicSSLContextSPIImpl DynamicSSLContextSPI implementation to use. If null then ServiceLoader is used to locate it on classpath.
+     */
+    public DynamicSSLContext(DynamicSSLContextSPI dynamicSSLContextSPIImpl) throws NoSuchAlgorithmException, DynamicSSLContextException {
+        super(new DynamicSSLContextSpiImpl(dynamicSSLContextSPIImpl),
+                resolverSSLContext(dynamicSSLContextSPIImpl).getProvider(),
+                resolverSSLContext(dynamicSSLContextSPIImpl).getProtocol());
+    }
+}

dynamic-ssl/src/main/java/org/wildfly/security/dynamic/ssl/DynamicSSLContextException.java

@@ -0,0 +1,42 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2024 Red Hat, Inc., and individual contributors
+ * as indicated by the @author tags.
+ *
+ * Licensed 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.wildfly.security.dynamic.ssl;
+
+/**
+ * Exception to indicate a failure related to the DynamicSSLContext.
+ *
+ * @author <a href="mailto:dvilkola@redhat.com">Diana Krepinska</a>
+ */
+public class DynamicSSLContextException extends Exception {
+    private static final long serialVersionUID = 894798122053539237L;
+
+    public DynamicSSLContextException() {
+    }
+
+    public DynamicSSLContextException(String msg) {
+        super(msg);
+    }
+
+    public DynamicSSLContextException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public DynamicSSLContextException(Throwable cause) {
+        super(cause);
+    }
+}

dynamic-ssl/src/main/java/org/wildfly/security/dynamic/ssl/DynamicSSLContextImpl.java

@@ -0,0 +1,90 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2024 Red Hat, Inc., and individual contributors
+ * as indicated by the @author tags.
+ *
+ * Licensed 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.wildfly.security.dynamic.ssl;
+
+import org.kohsuke.MetaInfServices;
+import org.wildfly.common.Assert;
+import org.wildfly.security.auth.client.AuthenticationContext;
+import org.wildfly.security.auth.client.AuthenticationContextConfigurationClient;
+
+import javax.net.ssl.SSLContext;
+import java.net.URI;
+import java.security.AccessController;
+import java.security.GeneralSecurityException;
+import java.security.PrivilegedAction;
+import java.util.List;
+
+/**
+ * Elytron client implementation of DynamicSSLContextSPI. It uses configuration from either provided instance of AuthenticationContext
+ * or from current AuthenticationContext if a configuration was not provided.
+ *
+ * @author <a href="mailto:dvilkola@redhat.com">Diana Krepinska (Vilkolakova)</a>
+ */
+@MetaInfServices(value = DynamicSSLContextSPI.class)
+public class DynamicSSLContextImpl implements DynamicSSLContextSPI {
+
+    private final AuthenticationContextConfigurationClient AUTH_CONTEXT_CLIENT =
+            AccessController.doPrivileged((PrivilegedAction<AuthenticationContextConfigurationClient>) AuthenticationContextConfigurationClient::new);
+    private AuthenticationContext authenticationContext;
+    private SSLContext configuredDefaultSSLContext;
+    private List<SSLContext> configuredSSLContexts;
+
+    public DynamicSSLContextImpl() throws GeneralSecurityException {
+    }
+
+    public DynamicSSLContextImpl(AuthenticationContext authenticationContext) throws GeneralSecurityException {
+        Assert.assertNotNull("authenticationContext");
+        this.authenticationContext = authenticationContext;
+        this.configuredSSLContexts = AUTH_CONTEXT_CLIENT.getConfiguredSSLContexts(authenticationContext);
+        this.configuredDefaultSSLContext = AUTH_CONTEXT_CLIENT.getDefaultSSLContext(authenticationContext);
+    }
+
+    @Override
+    public SSLContext getConfiguredDefault() throws DynamicSSLContextException {
+        if (this.configuredDefaultSSLContext != null) {
+            return this.configuredDefaultSSLContext;
+        }
+        try {
+            return AUTH_CONTEXT_CLIENT.getDefaultSSLContext(AuthenticationContext.captureCurrent());
+        } catch (GeneralSecurityException e) {
+            throw ElytronMessages.log.cannotObtainDefaultSSLContext(e);
+        }
+    }
+
+    @Override
+    public List<SSLContext> getConfiguredSSLContexts() throws DynamicSSLContextException {
+        if (this.configuredSSLContexts != null) {
+            return this.configuredSSLContexts;
+        }
+        try {
+            return AUTH_CONTEXT_CLIENT.getConfiguredSSLContexts(AuthenticationContext.captureCurrent());
+        } catch (GeneralSecurityException e) {
+            throw ElytronMessages.log.cannotObtainConfiguredSSLContexts(e);
+        }
+    }
+
+    @Override
+    public SSLContext getSSLContext(URI uri) throws DynamicSSLContextException {
+        try {
+            return AUTH_CONTEXT_CLIENT.getSSLContext(uri, authenticationContext == null ? AuthenticationContext.captureCurrent() : authenticationContext);
+        } catch (GeneralSecurityException e) {
+            throw ElytronMessages.log.cannotObtainSSLContextForGivenURI(e);
+        }
+    }
+}