/// <summary>
/// Ensures that the request is a document request (i.e. one that the module should handle)
/// </summary>
/// <param name="httpContext"></param>
/// <param name="uri"></param>
/// <returns></returns>
private bool EnsureDocumentRequest(HttpContextBase httpContext, Uri uri)
{
var maybeDoc = true;
var lpath = uri.AbsolutePath.ToLowerInvariant();
// handle directory-urls used for asmx
// legacy - what's the point really?
if (/*maybeDoc &&*/ _globalSettings.UseDirectoryUrls)
{
var asmxPos = lpath.IndexOf(".asmx/", StringComparison.OrdinalIgnoreCase);
if (asmxPos >= 0)
{
// use uri.AbsolutePath, not path, 'cos path has been lowercased
httpContext.RewritePath(uri.AbsolutePath.Substring(0, asmxPos + 5), // filePath
uri.AbsolutePath.Substring(asmxPos + 5), // pathInfo
uri.Query.TrimStart('?'));
maybeDoc = false;
}
}
// a document request should be
// /foo/bar/nil
// /foo/bar/nil/
// /foo/bar/nil.aspx
// where /foo is not a reserved path
// if the path contains an extension that is not .aspx
// then it cannot be a document request
var extension = Path.GetExtension(lpath);
if (maybeDoc && extension.IsNullOrWhiteSpace() == false && extension != ".aspx")
{
maybeDoc = false;
}
// at that point, either we have no extension, or it is .aspx
// if the path is reserved then it cannot be a document request
if (maybeDoc && _globalSettings.IsReservedPathOrUrl(lpath, httpContext, _combinedRouteCollection.Value))
{
maybeDoc = false;
}
//NOTE: No need to warn, plus if we do we should log the document, as this message doesn't really tell us anything :)
//if (!maybeDoc)
//{
// Logger.Warn<UmbracoModule>("Not a document");
//}
return(maybeDoc);
}
/// <summary>
/// Determines whether the current request is reserved based on the route table and
/// whether the specified URL is reserved or is inside a reserved path.
/// </summary>
/// <param name="globalSettings"></param>
/// <param name="url"></param>
/// <param name="httpContext"></param>
/// <param name="routes">The route collection to lookup the request in</param>
/// <returns></returns>
internal static bool IsReservedPathOrUrl(this IGlobalSettings globalSettings, string url, HttpContextBase httpContext, RouteCollection routes)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
if (routes == null)
{
throw new ArgumentNullException(nameof(routes));
}
//check if the current request matches a route, if so then it is reserved.
var route = routes.GetRouteData(httpContext);
if (route != null)
{
return(true);
}
//continue with the standard ignore routine
return(globalSettings.IsReservedPathOrUrl(url));
}
