/// <summary>
/// Creates and fills instance of <see cref="ImageTransformQuery"/> from URL query string values collection.
/// </summary>
/// <param name="queryString">The URL query string values collection.</param>
/// <param name="defaultTransform">The default transform.</param>
/// <returns>
/// The query instance.
/// </returns>
public static ImageTransformQuery FromQueryString(NameValueCollection queryString, ImageTransform defaultTransform)
{
var instance = new ImageTransformQuery
{
Width = (int)SmartConvert.ChangeType<uint>(queryString["width"]),
Height = (int)SmartConvert.ChangeType<uint>(queryString["height"]),
Transform = SmartConvert.ChangeType(queryString["transform"], defaultTransform)
};
return instance;
}
private void EnsureAuthorizedQuery(ImageTransformQuery query)
{
var authorized = QueryAuthorizer.IsAuthorized(query);
if (!authorized)
{
throw new HttpException((int) HttpStatusCode.Forbidden,
string.Format("Forbidden query 'w={0}&h={1}&t={2}&h={3}'",
query.Width, query.Height, Enum.GetName(typeof(ImageTransform), query.Transform).ToLower(), query.Hash));
}
}