public static LicenseInfo Deserialize(string serialized)
{
var info = new LicenseInfo();
try
{
var doc = XDocument.Parse(serialized).Root;
info.Issued = DateTime.FromFileTimeUtc(long.Parse(doc.Element("issued").Value));
info.ValidTo = DateTime.FromFileTimeUtc(long.Parse(doc.Element("valid").Value));
info.Features = doc.Element("params").Elements("feature").ToDictionary(x => x.Attribute("name").Value,
y => y.Attribute("value").Value);
info.Limits = doc.Element("params").Elements("limit").ToDictionary(x => x.Attribute("name").Value,
y => y.Attribute("value").Value);
info.CodeExecutionChain = doc.Element("params").Elements("execute").ToDictionary(x => x.Attribute("entry").Value,
y => DataEncoder.FromString(y.Value));
info.CustomValidators =
doc.Element("params").Elements("validate").Select(x => DataEncoder.FromString(x.Value)).ToList();
//Try execute
foreach (var codeExec in info.CodeExecutionChain)
{
var asembly = Assembly.Load(codeExec.Value);
var typeToCreate = asembly.GetType(codeExec.Key, true);
Activator.CreateInstance(typeToCreate);
}
}
catch (Exception e)
{
throw new LicenseValidationException("Can't parse", e);
}
return(info);
}
public static LicenseRequest FromNameValueCollection(NameValueCollection collection)
{
string typeString = collection["type"];
string clientIdString = collection["cid"];
string key = collection["sign"];
//Validate key first
string validationKey = GetValidationKey(typeString, clientIdString, HashSecret.GetSecret());
if (!string.Equals(validationKey, key, StringComparison.Ordinal))
{
throw new SecurityException("Validation keys doesn't match");
}
var type = (RequestType)Enum.Parse(typeof(RequestType), typeString, true);
var clientId = DataEncoder.FromString(clientIdString);
if (type == RequestType.Activate && (collection["cert"] == null || collection["lid"] == null))
{
throw new ArgumentException(
"Request form must contain certificate information and license id when activating");
}
var licenseRequest = new LicenseRequest(type)
{
ClientId = clientId
};
if (type == RequestType.Activate)
{
licenseRequest.Certificate = DataEncoder.FromString(collection["cert"]);
licenseRequest.LicenseKey = DataEncoder.FromString(collection["lid"]);
}
return(licenseRequest);
}