/// <summary>
///
/// </summary>
/// <param name="contentHtml"></param>
/// <param name="divertUri">Uri for WebReader redirection e.g. http://arghya.com/webreader/read?uri=</param>
/// <param name="directUri">Uri for direct link to original resource e.g. http://www.facebook.com</param>
/// <returns></returns>
public static string SetAbsoluteLinks(string contentHtml, string divertUri, string directUri)
{
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(contentHtml);
var allLinks = htmlDoc.DocumentNode.SelectNodes("//*[@href or @src or @action]");
if (allLinks == null)
return contentHtml;
foreach (HtmlNode link in allLinks)
{
HtmlAttribute att = GetAttributeForLink(link);
if (att != null)
{
string href = att.Value; //TODO: re-evaluate "link"
var tagsWithOriginalLink = new[] { "img", "link", "audio", "video" };
if (tagsWithOriginalLink.Any(tag => link.OriginalName.ToLower() == tag)) //we are not good at rendering binary. yet.
{
if (!IsAbsoluteUri(href))
{
//uri = new Uri(new Uri(baseUri), uri);
att.Value = directUri + href; //uri.ToString();
}
continue;
}
// ignore javascript on buttons using a tags
if (href.StartsWith("javascript", StringComparison.InvariantCultureIgnoreCase))
continue;
//if (!IsAbsoluteUri(href))
//{
// //uri = new Uri(new Uri(baseUri), uri);
// att.Value = divertUri + href; //uri.ToString(); //TODO: check fix
//}
att.Value = IsAbsoluteUri(href) ? divertUri + href : divertUri + directUri + href;
}
}
return htmlDoc.DocumentNode.OuterHtml;
}
