GUACAMOLE-5: Display the username of the user that shares a connection.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/sharing/connection/SharedConnection.java

@@ -42,6 +42,12 @@ import org.apache.guacamole.protocol.GuacamoleConfiguration;
  */
 public class SharedConnection implements Connection {
 
+    /**
+     * The name of the attribute which contains the username of the user that
+     * shared this connection.
+     */
+    public static final String CONNECTION_OWNER = "jdbc-shared-by";
+
     /**
      * Service for establishing tunnels to Guacamole connections.
      */
@@ -133,12 +139,13 @@ public class SharedConnection implements Connection {
 
     @Override
     public Map<String, String> getAttributes() {
-        return Collections.<String, String>emptyMap();
+        String sharedBy = definition.getActiveConnection().getUser().getIdentifier();
+        return Collections.<String, String>singletonMap(CONNECTION_OWNER, sharedBy);
     }
 
     @Override
     public void setAttributes(Map<String, String> attributes) {
-        // Do nothing - no attributes supported
+        // Do nothing - changing attributes not supported
     }
 
     @Override

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/resources/html/shared-connection.html

@@ -0,0 +1,6 @@
+<meta name="after" content=".caption .activeUserCount">
+
+<!-- The user sharing this connection (if any) -->
+<span class="jdbc-share-tag" ng-show="item.wrappedItem.attributes['jdbc-shared-by']"
+    translate="HOME.INFO_SHARED_BY"
+    translate-values="{USERNAME: item.wrappedItem.attributes['jdbc-shared-by']}"></span>

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/resources/styles/jdbc.css

@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+/* Label/tag denoting the user that shared a connection */
+.jdbc-share-tag {
+
+    background: #0095ff;
+    padding: 0.25em;
+
+    -moz-border-radius:    0.25em;
+    -webkit-border-radius: 0.25em;
+    -khtml-border-radius:  0.25em;
+    border-radius:         0.25em;
+
+    color: white;
+    font-size: 0.75em;
+    font-weight: bold;
+
+}

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/resources/translations/en.json

@@ -42,6 +42,10 @@
         "NAME" : "PostgreSQL"
     },
 
+    "HOME" : {
+        "INFO_SHARED_BY" : "Shared by {USERNAME}"
+    },
+
     "USER_ATTRIBUTES" : {
 
         "FIELD_HEADER_DISABLED"            : "Login disabled:",

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

@@ -10,6 +10,14 @@
         "org.apache.guacamole.auth.mysql.MySQLSharedAuthenticationProvider"
     ],
 
+    "css" : [
+        "styles/jdbc.css"
+    ],
+
+    "html" : [
+        "html/shared-connection.html"
+    ],
+
     "translations" : [
         "translations/en.json",
         "translations/fr.json",

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

@@ -10,6 +10,14 @@
         "org.apache.guacamole.auth.postgresql.PostgreSQLSharedAuthenticationProvider"
     ],
 
+    "css" : [
+        "styles/jdbc.css"
+    ],
+
+    "html" : [
+        "html/shared-connection.html"
+    ],
+
     "translations" : [
         "translations/en.json",
         "translations/fr.json",