public CustomRedirect FindInProviders(string oldUrl)
{
// If no exact or wildcard match is found, try to parse the url through the custom providers
if (Bvn404HandlerConfiguration.Instance.Bvn404HandlerProviders != null && (Bvn404HandlerConfiguration.Instance.Bvn404HandlerProviders != null || Bvn404HandlerConfiguration.Instance.Bvn404HandlerProviders.Count != 0))
{
foreach (Bvn404HandlerProvider provider in Bvn404HandlerConfiguration.Instance.Bvn404HandlerProviders)
{
Type type = (Type.GetType(provider.Type));
if (type != null)
{
INotFoundHandler handler = (INotFoundHandler)Activator.CreateInstance(type);
string newUrl = handler.RewriteUrl(oldUrl);
if (newUrl != null)
{
return(new CustomRedirect(oldUrl, newUrl));
}
}
}
}
return(null);
}
public static IContentFinder SubsituteFinder(INotFoundHandler handler)
{
IContentFinder finder = null;
if (handler is global::umbraco.SearchForAlias)
{
finder = new ContentFinderByUrlAlias();
}
else if (handler is global::umbraco.SearchForProfile)
{
finder = new ContentFinderByProfile();
}
else if (handler is global::umbraco.SearchForTemplate)
{
finder = new ContentFinderByNiceUrlAndTemplate();
}
else if (handler is global::umbraco.handle404)
{
finder = new ContentFinderByLegacy404();
}
return(finder);
}
public requestHandler(XmlDocument umbracoContent, String url)
{
HttpContext.Current.Trace.Write("request handler", "current url '" + url + "'");
bool getByID = false;
string currentDomain = HttpContext.Current.Request.ServerVariables["SERVER_NAME"];
if (!_urlNameInitialized)
{
InitializeUrlName();
}
// The url exists in cache, and the domain doesn't exists (which makes it ok to do a cache look up on the url alone)
// TODO: NH: Remove the flag for friendlyxmlschema when real schema is implemented
// as the friendlyxmlschema doesn't have any identifier keys we can't do a lookup
// based on ID yet.
if (_processedRequests.ContainsKey(url) && !Domain.Exists(currentDomain))
{
getByID = true;
_pageXPathQuery = _processedRequests[url].ToString();
}
// The url including the domain exists in cache
else if (_processedRequests.ContainsKey(currentDomain + url))
{
getByID = true;
_pageXPathQuery = _processedRequests[currentDomain + url].ToString();
}
// The url isn't cached
else
{
if (url == "")
{
url = "";
_pageXPathQuery = CreateXPathQuery(url, true);
// Never cache roots
_doNotCache = true;
}
else
{
// If url is an integer, then asume it's the ID of the page
if (url[0] == '/')
{
url = url.Substring(1, url.Length - 1);
}
int result;
if (int.TryParse(url, out result))
{
_pageXPathQuery = url;
getByID = true;
}
else
{
if (!string.IsNullOrEmpty(url))
{
_pageXPathQuery = CreateXPathQuery(url, true);
}
else
{
_pageXPathQuery = Document.GetRootDocuments()[0].Id.ToString();
getByID = true;
}
}
}
}
HttpContext.Current.Trace.Write("umbracoRequestHandler",
string.Format("Just before xPath query ({0}, '{1}')", getByID,
_pageXPathQuery));
if (getByID)
{
currentPage = umbracoContent.GetElementById(_pageXPathQuery.Trim());
}
else
{
HttpContext.Current.Trace.Write("umbracoRequestHandler",
"pageXPathQueryStart: '" + pageXPathQueryStart + "'");
currentPage = umbracoContent.SelectSingleNode(pageXPathQueryStart + _pageXPathQuery);
if (currentPage == null)
{
// If no node found, then try with a relative page query
currentPage = umbracoContent.SelectSingleNode("/" + _pageXPathQuery);
}
// Add to url cache
if (currentPage != null && !_doNotCache)
{
string prefixUrl = "";
if (Domain.Exists(currentDomain))
{
prefixUrl = currentDomain;
}
if (url.Substring(0, 1) != "/")
{
url = "/" + url;
}
lock (locker)
{
if (!_processedRequests.ContainsKey(prefixUrl + url))
{
_processedRequests.Add(prefixUrl + url, currentPage.Attributes.GetNamedItem("id").Value);
}
}
HttpContext.Current.Trace.Write("umbracoRequestHandler",
"Adding to cache... ('" + prefixUrl + url + "')");
}
}
if (currentPage == null)
{
// No node found, try custom url handlers defined in /config/404handlers.config
if (_customHandlers == null)
{
_customHandlers = new XmlDocument();
_customHandlers.Load(
IOHelper.MapPath(SystemFiles.NotFoundhandlersConfig));
}
for (int i = 0; i < _customHandlers.DocumentElement.ChildNodes.Count; i++)
{
// Load handler
string _chAssembly =
_customHandlers.DocumentElement.ChildNodes[i].Attributes.GetNamedItem("assembly").Value;
string _chType = _customHandlers.DocumentElement.ChildNodes[i].Attributes.GetNamedItem("type").Value;
// check for namespace
string _chNameSpace = _chAssembly;
if (_customHandlers.DocumentElement.ChildNodes[i].Attributes.GetNamedItem("namespace") != null)
{
_chNameSpace =
_customHandlers.DocumentElement.ChildNodes[i].Attributes.GetNamedItem("namespace").Value;
}
try {
// Reflect to execute and check whether the type is umbraco.main.IFormhandler
HttpContext.Current.Trace.Write("notFoundHandler",
string.Format("Trying NotFoundHandler '{0}.{1}'...", _chAssembly,
_chType));
Assembly assembly =
Assembly.LoadFrom(
IOHelper.MapPath(SystemDirectories.Bin + "/" + _chAssembly + ".dll"));
Type type = assembly.GetType(_chNameSpace + "." + _chType);
INotFoundHandler typeInstance = Activator.CreateInstance(type) as INotFoundHandler;
if (typeInstance != null)
{
typeInstance.Execute(url);
if (typeInstance.redirectID > 0)
{
int redirectID = typeInstance.redirectID;
currentPage = umbracoContent.GetElementById(redirectID.ToString());
HttpContext.Current.Trace.Write("notFoundHandler",
string.Format(
"NotFoundHandler '{0}.{1} found node matching {2} with id: {3}",
_chAssembly, _chType, url, redirectID));
// check for caching
if (typeInstance.CacheUrl)
{
if (url.Substring(0, 1) != "/")
{
url = "/" + url;
}
string prefixUrl = string.Empty;
if (Domain.Exists(currentDomain))
{
prefixUrl = currentDomain;
}
if (url.Substring(0, 1) != "/")
{
url = "/" + url;
}
lock (locker)
{
if (!_processedRequests.ContainsKey(prefixUrl + url))
{
_processedRequests.Add(prefixUrl + url, currentPage.Attributes.GetNamedItem("id").Value);
}
}
HttpContext.Current.Trace.Write("notFoundHandler",
string.Format("Added to cache '{0}', '{1}'...", url,
redirectID));
}
break;
}
}
} catch (Exception e) {
HttpContext.Current.Trace.Warn("notFoundHandler",
"Error implementing notfoundHandler '" + _chAssembly + "." +
_chType + "'", e);
}
}
}
HttpContext.Current.Trace.Write("umbracoRequestHandler", "After xPath query");
// Check for internal redirects
if (currentPage != null)
{
XmlNode internalRedirect = currentPage.SelectSingleNode(UmbracoSettings.UseLegacyXmlSchema ? "data [@alias = 'umbracoInternalRedirectId']" : "umbracoInternalRedirectId");
if (internalRedirect != null && internalRedirect.FirstChild != null && !String.IsNullOrEmpty(internalRedirect.FirstChild.Value))
{
HttpContext.Current.Trace.Write("internalRedirection", "Found internal redirect id via umbracoInternalRedirectId property alias");
int internalRedirectId = 0;
if (int.TryParse(internalRedirect.FirstChild.Value, out internalRedirectId) && internalRedirectId > 0)
{
currentPage =
umbracoContent.GetElementById(
internalRedirectId.ToString());
HttpContext.Current.Trace.Write("internalRedirection", "Redirecting to " + internalRedirect.FirstChild.Value);
}
else
{
HttpContext.Current.Trace.Warn("internalRedirection", "The redirect id is not an integer: " + internalRedirect.FirstChild.Value);
}
}
}
// Check access
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Access checking started");
if (currentPage != null)
{
if (
Access.IsProtected(int.Parse(currentPage.Attributes.GetNamedItem("id").Value),
currentPage.Attributes.GetNamedItem("path").Value))
{
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Page protected");
if (System.Web.Security.Membership.GetUser() == null || !library.IsLoggedOn())
{
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Not logged in - redirecting to login page...");
currentPage = umbracoContent.GetElementById(Access.GetLoginPage(currentPage.Attributes.GetNamedItem("path").Value).ToString());
}
else
{
if (System.Web.Security.Membership.GetUser() != null && !Access.HasAccces(int.Parse(currentPage.Attributes.GetNamedItem("id").Value), System.Web.Security.Membership.GetUser().ProviderUserKey))
{
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Member has not access - redirecting to error page...");
currentPage = content.Instance.XmlContent.GetElementById(Access.GetErrorPage(currentPage.Attributes.GetNamedItem("path").Value).ToString());
}
}
}
else
{
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Page not protected");
}
}
HttpContext.Current.Trace.Write("umbracoRequestHandler", "Access checking ended");
}
