public static Uri GetOriginalRequestUrlFromContext(HttpContext httpContext)
{
Uri result = httpContext.Request.Url;
string text = httpContext.Request.Headers.Get("X-OWA-OriginalRequestUrl");
if (!string.IsNullOrEmpty(text))
{
Uri uri = UrlUtilities.TryParseUri(HttpUtility.UrlDecode(text));
if (uri != null)
{
result = uri;
}
}
return(result);
}
internal static bool IsSafeUrl(string urlString)
{
if (string.IsNullOrEmpty(urlString))
{
return(false);
}
Uri uri;
if (null == (uri = UrlUtilities.TryParseUri(urlString)))
{
return(false);
}
string scheme = uri.Scheme;
return(!string.IsNullOrEmpty(scheme) && Uri.CheckSchemeName(scheme) && TextConvertersInternalHelpers.IsUrlSchemaSafe(scheme));
}
internal static Uri TryParseUri(string uriString)
{
return(UrlUtilities.TryParseUri(uriString, UriKind.Absolute));
}