GUACAMOLE-422: Add timezone selection for RDP connections.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledUser.java

@@ -113,7 +113,8 @@ public class ModeledUser extends ModeledPermissions<UserModel> implements User {
         new TextField(User.Attribute.FULL_NAME),
         new EmailField(User.Attribute.EMAIL_ADDRESS),
         new TextField(User.Attribute.ORGANIZATION),
-        new TextField(User.Attribute.ORGANIZATIONAL_ROLE)
+        new TextField(User.Attribute.ORGANIZATIONAL_ROLE),
+        new TimeZoneField(TIMEZONE_ATTRIBUTE_NAME)
     ));
 
     /**
@@ -349,6 +350,9 @@ public class ModeledUser extends ModeledPermissions<UserModel> implements User {
         // Set role attribute
         attributes.put(User.Attribute.ORGANIZATIONAL_ROLE, getModel().getOrganizationalRole());
 
+        // Set timezone attribute
+        attributes.put(TIMEZONE_ATTRIBUTE_NAME, getModel().getTimeZone());
+
     }
 
     /**

guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json

@@ -195,6 +195,10 @@
                 {
                     "name"  : "static-channels",
                     "type"  : "TEXT"
+                },
+                {
+                    "name"  : "timezone",
+                    "type"  : "TIMEZONE"
                 }
             ]
         },

guacamole/src/main/webapp/translations/en.json

@@ -415,6 +415,7 @@
         "FIELD_HEADER_REMOTE_APP_ARGS" : "Parameters:",
         "FIELD_HEADER_REMOTE_APP_DIR"  : "Working directory:",
         "FIELD_HEADER_REMOTE_APP"      : "Program:",
+        "FIELD_HEADER_TIMEZONE"        : "Timezone:",
         "FIELD_HEADER_SECURITY"        : "Security mode:",
         "FIELD_HEADER_SERVER_LAYOUT"   : "Keyboard layout:",
         "FIELD_HEADER_SFTP_DIRECTORY"             : "Default upload directory:",