/// <summary>
/// Parses the update.xml into ApplicationUpdateXml object
/// </summary>
/// <param name="location">Uri of update.xml on server</param>
/// <param name="appID">The application's ID</param>
/// <returns>The ApplicationUpdateXml object with the data, or null of any errors</returns>
public static ApplicationUpdateXml Parse(Uri location)
{
Version version = null;
string launchArgs = "", md5 = "";
List <UpdateApplication> applications = new List <UpdateApplication>();
ServicePointManager.ServerCertificateValidationCallback = (s, ce, ch, ssl) => true;
XmlDocument doc = new XmlDocument();
try
{
// Load the document
doc.Load(location.AbsoluteUri);
// Gets the appId's node with the update info
// This allows you to store all program's update nodes in one file
XmlNode updateNode = doc.DocumentElement.SelectSingleNode("//update");
// If the node doesn't exist, there is no update
if (updateNode == null)
{
return(null);
}
// Parse data
version = Version.Parse(updateNode["version"].InnerText);
md5 = updateNode["md5"].InnerText;
foreach (XmlNode application in doc.DocumentElement.SelectNodes("//update//application"))
{
List <UpdateFile> files = new List <UpdateFile>();
string type = application["type"].InnerText;
foreach (XmlNode file in application.SelectSingleNode("files").SelectNodes("file"))
{
files.Add(new UpdateFile()
{
Name = file["name"].InnerText, destination = file["destination"].InnerText, md5 = file["md5"].InnerText
});
}
applications.Add(new UpdateApplication()
{
Name = application.Attributes["appID"].InnerText, Type = type, Files = files
});
}
launchArgs = updateNode["launchArgs"].InnerText;
return(new ApplicationUpdateXml(version, md5, applications, launchArgs));
}
catch (Exception ex)
{
UpdateEvents.WriteEntry(ex.ToString());
return(null);
}
}
/// <summary>
/// Checks the Uri to make sure file exist
/// </summary>
/// <param name="location">The Uri of the update.xml</param>
/// <returns>If the file exists</returns>
public static bool ExistsOnServer(Uri location)
{
try
{
// Request the update.xml
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(location.AbsoluteUri);
// Read for response
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
resp.Close();
return(resp.StatusCode == HttpStatusCode.OK);
}
catch (Exception ex)
{
UpdateEvents.WriteEntry(ex.ToString());
return(false);
}
}
