/// <summary>
/// Creates object which represents sent private message from application/x-www-form-urlencoded serialization type
/// </summary>
/// <param name="httpMessage">Original HTTP message from HTTP snooper</param>
/// <param name="exportObject">For referencing XChatSnooperExport from XChat object</param>
/// <returns>Instance of Xchat sent message</returns>
private static XChatPrivateMessage GetXChatPrivateSentMessage(HTTPMsg httpMessage, SnooperExportBase exportObject)
{
var strippedContent = Encoding.GetEncoding("ISO-8859-2").GetString(httpMessage.HTTPContent.Content); //Convert bytes to string in ISO-8859-2 encoding
var parsedUrl = HttpUtility.ParseQueryString(strippedContent, Encoding.GetEncoding("ISO-8859-2")); //Parse query from message body
var message = new XChatPrivateMessage(exportObject)
{
Time = httpMessage.TimeStamp.ToString("dd. MM. yyyy HH:mm:ss"),
Text = parsedUrl["message"],
Target = parsedUrl["to"],
Subject = parsedUrl["subject"]
};
//Getting sender nickname from Cookie in header:
var requestHeader = httpMessage.HTTPHeader as HttpRequestHeader;
List <string> values; //List which contains values from Cookie in HTTP request header
if (requestHeader.Fields.TryGetValue("Cookie", out values))
{
var sb = new StringBuilder();
foreach (var value in values)
{
sb.Append(value).Append("; ");
} //Concatenes values from Cookie in HTTP header
var regex = new Regex(@"[0-9]{8}=[0-9]{8}%3A([0-9a-zA-Z][a-zA-Z0-9\.-_]{2,19})"); //Regular expression for getting message sender nickname
var match = regex.Match(sb.ToString());
message.Source = match.Success ? match.Groups[1].ToString() : "";
}
else
{
message.Source = "";
}
return(message);
}
/// <summary>
/// Creates object which represents recieved private message from HTML document
/// </summary>
/// <param name="httpMessage">Original HTTP message</param>
/// <param name="html">Parsed HTML document</param>
/// <param name="exportObject">For referencing XChatSnooperExport from XChat object</param>
/// <returns>Instance of Xchat received message</returns>
private static XChatPrivateMessage GetXChatPrivateReceivedMessage(HTTPMsg httpMessage, HtmlDocument html, SnooperExportBase exportObject)
{
HtmlNode node;
var message = new XChatPrivateMessage(exportObject);
var form = html.DocumentNode.SelectSingleNode("//form[@name='readmsg']"); //Node that represents form with class readmsg
node = form.SelectSingleNode("//span[@class='offlinesm']/child::a[@title='profil uživatele']/strong"); //Position in document where sender nickname is located
message.Source = node?.InnerText;
node = form.SelectSingleNode("//table/descendant::table/tr[4]/td[2]"); //Position in document where receiver nickname is located
message.Target = node?.InnerText;
node = form.SelectSingleNode("//div[@class='boxudaje2']/div[@class='boxudaje3']/descendant::div"); //Position in document where message text is located
message.Text = node?.InnerText;
node = form.SelectSingleNode("//table/descendant::table/tr[2]/td[2]");
message.Subject = node?.InnerText;
message.Time = httpMessage.TimeStamp.ToString("dd. MM. yyyy HH:mm:ss");
return(message);
}
