GUACAMOLE-422: Add timezone to tunnel connections.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/tunnel/AbstractGuacamoleTunnelService.java

@@ -476,6 +476,15 @@ public abstract class AbstractGuacamoleTunnelService implements GuacamoleTunnelS
                 activeConnections.put(connection.getIdentifier(), activeConnection);
                 activeConnectionGroups.put(connection.getParentIdentifier(), activeConnection);
                 config = getGuacamoleConfiguration(activeConnection.getUser(), connection);
+                
+                // If timezone is provided by tunnel parameter, and not
+                // overriden by connection parameter, set it.
+                String tzTunnel = info.getTimezone();
+                String tzParam = config.getParameter("timezone");
+                if ((tzParam == null || tzParam.isEmpty())
+                        && tzTunnel != null && !tzTunnel.isEmpty())
+                    config.setParameter("timezone", tzTunnel);
+                
             }
 
             // If we ARE joining an active connection, generate a configuration

guacamole-common/src/main/java/org/apache/guacamole/protocol/GuacamoleClientInformation.java

@@ -58,6 +58,11 @@ public class GuacamoleClientInformation {
      * The list of image mimetypes reported by the client to be supported.
      */
     private final List<String> imageMimetypes = new ArrayList<String>();
+    
+    /**
+     * The timezone report by the client.
+     */
+    private String timezone = "";
 
     /**
      * Returns the optimal screen width requested by the client, in pixels.
@@ -144,5 +149,25 @@ public class GuacamoleClientInformation {
     public List<String> getImageMimetypes() {
         return imageMimetypes;
     }
+    
+    /**
+     * Return the timezone as reported by the client.
+     * 
+     * @returns
+     *     A string value of the timezone reported by the client.
+     */
+    public String getTimezone() {
+        return timezone;
+    }
+    
+    /**
+     * Set the string value of the timezone.
+     * 
+     * @param timezone
+     *     The string value of the timezone reported by the client.
+     */
+    public void setTimezone(String timezone) {
+        this.timezone = timezone;
+    }
 
 }

guacamole/src/main/java/org/apache/guacamole/tunnel/TunnelRequest.java

@@ -95,6 +95,11 @@ public abstract class TunnelRequest {
      * once for each mimetype.
      */
     public static final String IMAGE_PARAMETER = "GUAC_IMAGE";
+    
+    /**
+     * The name of the parameter specifying the timezone of the client.
+     */
+    public static final String TIMEZONE_PARAMETER = "GUAC_TIMEZONE";
 
     /**
      * All supported object types that can be used as the destination of a
@@ -365,5 +370,16 @@ public abstract class TunnelRequest {
     public List<String> getImageMimetypes() {
         return getParameterValues(IMAGE_PARAMETER);
     }
-
+    
+    /**
+     * Returns the value of the timezone parameter declared within the
+     * tunnel request.
+     * 
+     * @return 
+     *     The string value of the timezone parameter as reported by
+     *     the client.
+     */
+    public String getTimezone() {
+        return getParameter(TIMEZONE_PARAMETER);
+    }
 }

guacamole/src/main/java/org/apache/guacamole/tunnel/TunnelRequestService.java

@@ -166,6 +166,11 @@ public class TunnelRequestService {
         List<String> imageMimetypes = request.getImageMimetypes();
         if (imageMimetypes != null)
             info.getImageMimetypes().addAll(imageMimetypes);
+        
+        // Get the timezone value
+        String timezone = request.getTimezone();
+        if (timezone != null & !timezone.isEmpty())
+            info.setTimezone(timezone);
 
         return info;
     }