GUACAMOLE-5: Handle shared connections via dedicated AuthenticationProvider.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/java/org/apache/guacamole/auth/postgresql/PostgreSQLSharedAuthenticationProvider.java

@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.guacamole.auth.postgresql;
+
+import org.apache.guacamole.GuacamoleException;
+import org.apache.guacamole.auth.jdbc.InjectedAuthenticationProvider;
+import org.apache.guacamole.auth.jdbc.sharing.SharedAuthenticationProviderService;
+
+/**
+ * Provides a implementation of AuthenticationProvider which interacts with the
+ * PostgreSQL AuthenticationProvider, accepting share keys as credentials and
+ * providing access to the shared connections.
+ *
+ * @author Michael Jumper
+ */
+public class PostgreSQLSharedAuthenticationProvider extends InjectedAuthenticationProvider {
+
+    /**
+     * Creates a new PostgreSQLSharedAuthenticationProvider that provides access
+     * to shared connections exposed by the PostgreSQLAuthenticationProvider.
+     *
+     * @throws GuacamoleException
+     *     If a required property is missing, or an error occurs while parsing
+     *     a property.
+     */
+    public PostgreSQLSharedAuthenticationProvider() throws GuacamoleException {
+        super(new PostgreSQLInjectorProvider(), SharedAuthenticationProviderService.class);
+    }
+
+    @Override
+    public String getIdentifier() {
+        return "postgresql-shared";
+    }
+
+}

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/guac-manifest.json

@@ -6,7 +6,8 @@
     "namespace" : "guac-postgresql",
 
     "authProviders" : [
-        "org.apache.guacamole.auth.postgresql.PostgreSQLAuthenticationProvider"
+        "org.apache.guacamole.auth.postgresql.PostgreSQLAuthenticationProvider",
+        "org.apache.guacamole.auth.postgresql.PostgreSQLSharedAuthenticationProvider"
     ],
 
     "translations" : [