public FacebookInstance GetInstance(FacebookConfigElement elem, NameValueCollection paramCollection)
{
string signed_request = paramCollection["signed_request"].Default().DecodeUrl();
FacebookInstance instance = null;
string json = null;
if (!signed_request.isEmpty())
{
#region check the signature of the signed request
string hash = signed_request.Part('.', 0).Decode64();
json = signed_request.Part('.', 1).Decode64();
string evidence = signed_request.Part('.', 1).HashForKey(elem.appSecret);
if (hash.NotEquals(evidence))
throw new FormatException("Invalid Signature");
#endregion
}
instance = new FacebookInstance(elem, json);
instance.HttpParameters = paramCollection.ToDictionary();
return instance;
}
public FacebookInstance GetInstance(FacebookConfigElement elem, NameValueCollection paramCollection)
{
string signed_request = paramCollection["signed_request"].Default().DecodeUrl();
FacebookInstance instance = null;
string json = null;
if (!signed_request.isEmpty())
{
#region check the signature of the signed request
string hash = signed_request.Part('.', 0).Decode64();
json = signed_request.Part('.', 1).Decode64();
string evidence = signed_request.Part('.', 1).HashForKey(elem.appSecret);
if (hash.NotEquals(evidence))
{
throw new FormatException("Invalid Signature");
}
#endregion
}
instance = new FacebookInstance(elem, json);
instance.HttpParameters = paramCollection.ToDictionary();
return(instance);
}