/// <summary>
/// Given pregenerated thumbor image parameters return URL to the image with signed key if one exists.
/// NB should not include the leading /
/// </summary>
/// <param name="imageUrl">The image to produce the URL for EG. trim/100x200/filters:grayscale()/http://myserver/myimage.jpg </param>
/// <returns>String containing the URL with the signed image.</returns>
public string BuildSignedUrl(string imageUrl)
{
if (string.IsNullOrEmpty(this.thumborSecretKey))
{
return(string.Format("{0}unsafe{1}", this.thumborServerUrl, imageUrl));
}
var thumborSigner = new ThumborSigner();
var signedKey = thumborSigner.Encode(imageUrl, this.thumborSecretKey);
return(string.Format("/{0}/{1}", signedKey, imageUrl));
}
