private static string GetLogString(
SafeFields.MessageType type, Hashtable table)
{
if (table == null || table.Count == 0) return( String.Empty );
StringBuilder sb = new StringBuilder();
foreach (string key in table.Keys) {
if (sb.Length > 0) sb.Append(NVP_SEPARATOR);
sb.Append(key);
sb.Append(NV_SEPARATOR);
sb.Append(
SafeFields.IsSafe( type, key )
? (string) table[key]
: MaskedValue( key, (string) table[key] ) );
}
return (sb.ToString());
}
// parentName must be null. This is a recursive method.
// The recursive calls will pass non-NULL strings to said
// parameter.
private static void MaskXml(
SafeFields.MessageType type, XmlNode node,
string parentName)
{
if (node == null) return;
XmlNodeType nodeType = node.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (!SafeFields.IsSafe(type, parentName))
{
string origVal = node.Value;
if (origVal != null) origVal = origVal.Trim();
if (origVal != null && origVal.Length > 0)
{
node.Value = MaskedValue(parentName, origVal);
}
}
}
else if (nodeType == XmlNodeType.Element ||
nodeType == XmlNodeType.Document)
{
if (!node.HasChildNodes) return;
String localName = node.LocalName;
if (localName == null) localName = String.Empty;
String fieldFullName = null;
if (parentName == null)
{
// we have not encountered any of the fields in
// CYBS_ROOT_FIELDS, in which case, we check if
// the current node's local name is one of them.
// If so, then we set fieldFullName to "".
// Otherwise, fieldFullName remains null.
if (localName.Length > 0 &&
CYBS_ROOT_FIELDS.IndexOf(localName) != -1)
{
fieldFullName = "";
}
}
else if (parentName.Length == 0)
{
// the immediate parent of this node is one of
// those in CYBS_ROOT_FIELDS, in which case, we
// use its local name as the field name so far.
fieldFullName = localName;
}
else
{
// this is a node that is at least two levels
// down from one of the CYBS_ROOT_FIELDS, in which
// case, we append its local name to the parent's name.
fieldFullName = parentName + "_" + localName;
}
// call this method recursively on each of the child nodes
XmlNodeList children = node.ChildNodes;
foreach (XmlNode child in children)
{
MaskXml(type, child, fieldFullName);
}
}
}