/// <summary>
/// Refreshes the internally-cached collection of URL templates and redirection mappings.
/// </summary>
protected void RefreshUrlMappingData()
{
if (_coll != null)
{
_coll.Clear();
}
else
{
_coll = new UrlMappingItemCollection();
}
// make a connection to the database and execute the SQL stored procedure
// to retrieve the listing of URL items in the form
// [Name], [UrlTemplate], [Redirection]
using (SqlConnection con = new SqlConnection(GetConnectionString()))
{
using (SqlCommand cmd = con.CreateCommand())
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = _procName;
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
da.Dispose();
if (ds.Tables.Count > 0)
{
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
DataRow r = ds.Tables[0].Rows[i];
UrlMappingItem item
= UrlMappingHelper.CreateTemplatedMappingItem(
r["Name"].ToString(), r["UrlTemplate"].ToString(), r["Redirection"].ToString(), _qsBehavior
);
_coll.Add(item);
}
}
}
}
// if we're using a sqlDependency, generate it now
if (_useDependency)
{
_sqlDependency = new SqlCacheDependency(_dependencyName, _tableName);
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", _sqlDependency, DateTime.Now.AddDays(10), Cache.NoSlidingExpiration);
}
// remember the refresh time
_latestRefresh = System.DateTime.Now;
}
public void AddMapping(string siteKey, UrlMappingItem item)
{
UrlMappingItemCollection coll;
if (_manualItems.ContainsKey(siteKey))
{
coll = _manualItems[siteKey];
}
else
{
coll = new UrlMappingItemCollection();
_manualItems[siteKey] = coll;
}
coll.Merge(item);
}
protected void RefreshUrlMappingData()
{
if (HttpContext.Current.Cache[kCACHE_KEY] != null)
{
return;
}
lock (_synclock)
{
if (HttpContext.Current.Cache[kCACHE_KEY] != null)
{
return;
}
_urlMappings.Clear();
_menuItems.Clear();
List <string> routefiles = new List <string>();
string root = ServerUtil.MapPath("~");
foreach (var item in AreaInitializer.Areas.Keys)
{
if (item.Equals("/"))
{
routefiles.Add(Path.Combine(root, "App_Data" + Path.DirectorySeparatorChar + "routes.config"));
}
else
{
routefiles.Add(Path.Combine(root, item.Substring(1) + Path.DirectorySeparatorChar + "routes.config"));
}
}
foreach (var item in routefiles)
{
string vp = Path.GetFileName(Path.GetDirectoryName(item)).ToLowerInvariant();
if (string.Equals(vp, "App_Data", StringComparison.InvariantCultureIgnoreCase))
{
vp = "/";
}
else
{
vp = "/" + vp;
}
if (!AreaInitializer.Areas.ContainsKey(vp))
{
throw new WebException("virtual path not found: {0}", vp);
}
IArea site = AreaInitializer.Areas[vp];
UrlMappingItemCollection routes = new UrlMappingItemCollection();
Dictionary <int, NavigationItem> menus = new Dictionary <int, NavigationItem>();
XmlUrlMappingProvider.ParseXml(item, routes, menus, IncomingQueryStringBehavior.PassThrough);
_urlMappings[site.AreaKey] = routes;
_menuItems[site.AreaKey] = menus;
}
_fileDependency = new CacheDependency(Path.Combine(root, "App_Data" + Path.DirectorySeparatorChar + "routes.config"));
HttpRuntime.Cache.Insert(kCACHE_KEY, "dummyValue", _fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
_latestRefresh = DateTime.Now;
}
}
public void AddMapping(string siteKey, UrlMappingItem item)
{
UrlMappingItemCollection coll;
if (_manualItems.ContainsKey(siteKey))
coll = _manualItems[siteKey];
else
{
coll = new UrlMappingItemCollection();
_manualItems[siteKey] = coll;
}
coll.Merge(item);
}
protected void RefreshUrlMappingData()
{
if (HttpContext.Current.Cache[kCACHE_KEY] != null)
return;
lock (_synclock)
{
if (HttpContext.Current.Cache[kCACHE_KEY] != null) return;
_urlMappings.Clear();
_menuItems.Clear();
// clear url mapping cache
UrlMappingModule.Instance._caches.Clear();
List<string> routefiles = new List<string>();
string root = ServerUtil.MapPath("~");
foreach (var item in AreaInitializer.Areas.Keys)
{
if (item.Equals("/"))
routefiles.Add(Path.Combine(root, "App_Data" + Path.DirectorySeparatorChar + "routes.config"));
else
routefiles.Add(Path.Combine(root, item.Substring(1) + Path.DirectorySeparatorChar + "routes.config"));
}
foreach (var item in routefiles)
{
string vp = Path.GetFileName(Path.GetDirectoryName(item)).ToLowerInvariant();
if (string.Equals(vp, "App_Data", StringComparison.InvariantCultureIgnoreCase))
vp = "/";
else
vp = "/" + vp;
if (!AreaInitializer.Areas.ContainsKey(vp))
throw new WebException("virtual path not found: {0}", vp);
IArea site = AreaInitializer.Areas[vp];
UrlMappingItemCollection routes = new UrlMappingItemCollection();
Dictionary<int, NavigationItem> menus = new Dictionary<int, NavigationItem>();
XmlUrlMappingProvider.ParseXml(item, routes, menus, IncomingQueryStringBehavior.PassThrough);
_urlMappings[site.AreaKey] = routes;
_menuItems[site.AreaKey] = menus;
}
_fileDependency = new CacheDependency(Path.Combine(root, "App_Data" + Path.DirectorySeparatorChar + "routes.config"));
HttpRuntime.Cache.Insert(kCACHE_KEY, "dummyValue", _fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
_latestRefresh = DateTime.Now;
}
}
public static void ParseXml(string file, UrlMappingItemCollection routes, Dictionary<int, NavigationItem> menuItems, IncomingQueryStringBehavior incomingQueryStringBehavior)
{
if (!File.Exists(file))
return;
XmlDocument xml = new XmlDocument();
try
{
xml.Load(file);
}
catch (Exception ex)
{
throw new UrlMappingException("The error occurred while loading the route files. A virtual path is required and the file must be well-formed.", ex);
}
menuItems.Clear();
int i = -1, j = -1, k = -1;
foreach (XmlNode node in xml.DocumentElement.ChildNodes)
{
if (node.Name == "menu")
{
i++;
NavigationItem menuItem = getMenuItem(node);
menuItem.Children = new Dictionary<int, NavigationItem>();
menuItems[i] = menuItem;
foreach (XmlNode subNode in node.ChildNodes)
{
if (subNode.Name == "menu")
{
j++;
NavigationItem sub_menuItem = getMenuItem(subNode);
sub_menuItem.Children = new Dictionary<int, NavigationItem>();
menuItems[i].Children[j] = sub_menuItem;
foreach (XmlNode subsubNode in subNode.ChildNodes)
{
if (subsubNode.Name == "menu")
{
k++;
NavigationItem subsub_menuItem = getMenuItem(subsubNode);
sub_menuItem.Children[k] = subsub_menuItem;
foreach (XmlNode last_node in subsubNode.ChildNodes)
{
if (last_node.Name == "url")
{
UrlMappingItem url = getUrlInfo(last_node, subsub_menuItem, i, j, k, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (subsubNode.Name == "url")
{
UrlMappingItem url = getUrlInfo(subsubNode, sub_menuItem, i, j, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (subNode.Name == "url")
{
UrlMappingItem url = getUrlInfo(subNode, menuItem, i, -1, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (node.Name == "url")
{
UrlMappingItem url = getUrlInfo(node, new NavigationItem(), -1, -1, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
/// <summary>
/// Refreshes the internally-cached collection of URL templates and redirection mappings.
/// </summary>
protected void RefreshUrlMappingData()
{
if (_coll != null)
_coll.Clear();
else
_coll = new UrlMappingItemCollection();
// clear url mapping cache
UrlMappingModule.Instance._caches.Clear();
string file = HttpContext.Current.Server.MapPath(config.UrlMappingFile);
ParseXml(file, _coll, MenuItems, config.IncomingQueryStringBehavior);
_coll.Merge(_manualAdded);
// using a file dependency, generate it now
if (File.Exists(file))
{
_fileDependency = new CacheDependency(file);
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", _fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
// remember the refresh time
_latestRefresh = DateTime.Now;
}
/// <summary>
/// Refreshes the internally-cached collection of URL templates and redirection mappings.
/// </summary>
protected void RefreshUrlMappingData()
{
if (_coll != null)
{
_coll.Clear();
}
else
{
_coll = new UrlMappingItemCollection();
}
// parse the given xml file to retrieve the listing of URL items;
// the xml file should include tags in the form:
// <urlMapping name="" urlTemplate="" redirection="" />
XmlDocument xml = new XmlDocument();
string file = HttpContext.Current.Server.MapPath(_urlMappingFile);
try
{
xml.Load(file);
}
catch (Exception ex)
{
throw new ProviderException("There is an XmlUrlMappingModule error. The error occurred while loading the urlMappingFile. A virtual path is required and the file must be well-formed.", ex);
}
// parse the file for <urlMapping> tags
XmlNodeList nodes = xml.SelectNodes("//urlMapping");
foreach (XmlNode node in nodes)
{
// retrieve name, urlTemplate, and redirection attributes;
// ensure urlTemplate and redirection are present
string name = XmlAttributeValue(node, "name");
string urlTemplate = XmlAttributeValue(node, "urlTemplate");
string redirection = XmlAttributeValue(node, "redirection");
bool enabled = XmlAttributeBoolean(node, "enabled", true);
if (enabled)
{
if (string.IsNullOrEmpty(urlTemplate))
{
throw new ProviderException("There is an XmlUrlMappingModule error. All <urlMapping> tags in the mapping file require a 'urlTemplate' attribute.");
}
if (string.IsNullOrEmpty(urlTemplate))
{
throw new ProviderException("There is an XmlUrlMappingModule error. All <urlMapping> tags in the mapping file require a 'redirection' attribute.");
}
// still here, we can create the item and add to the collection
UrlMappingItem item
= UrlMappingHelper.CreateTemplatedMappingItem(
name, urlTemplate, redirection, _qsBehavior
);
_coll.Add(item);
}
}
// if we're using a file dependency, generate it now
if (_useDependency)
{
_fileDependency = new CacheDependency(file);
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", _fileDependency);
}
// remember the refresh time
_latestRefresh = System.DateTime.Now;
}
/// <summary>
/// Process incoming URLs and determine if redirection is appropriate
/// </summary>
/// <param name="sender">the application object</param>
/// <param name="e">event arguments</param>
protected void ProcessUrl(object sender, EventArgs e)
{
HttpApplication app = (sender as HttpApplication);
if (app != null)
{
// should the module ignore this request, based on the extension?
bool bIgnore = false;
for (int i = 0; i < _ignoreExtensions.Length; i++)
{
if (_ignoreExtensions[i] != "" && app.Request.FilePath.ToLower().EndsWith(_ignoreExtensions[i]))
{
bIgnore = true;
break;
}
}
if (!bIgnore)
{
string appPath = app.Request.ApplicationPath.ToLower();
// if we want to include the queryString in pattern matching, use RawUrl
// otherwise use Path
string rawUrl = (_qsBehavior == IncomingQueryStringBehaviorEnum.Include ? app.Request.RawUrl : app.Request.Path);
rawUrl = rawUrl.ToLower();
// remember the incoming querystring values
NameValueCollection incomingQS = app.Request.QueryString;
// identify the string to pattern match; this should not include
// "~/" or "/" at the front but otherwise should be an application-relative
// reference
string urlRequested = "";
if (appPath != "/" && rawUrl.IndexOf(appPath) == 0)
{
urlRequested = rawUrl.Substring(appPath.Length);
}
else
{
urlRequested = rawUrl;
}
if (urlRequested.StartsWith("/"))
{
urlRequested = urlRequested.Substring(1);
}
Regex removeVD = new Regex("^" + appPath + "/", RegexOptions.IgnoreCase);
urlRequested = removeVD.Replace(rawUrl, "");
urlRequested = urlRequested.Replace(parameters.Edit_Param + "=" + parameters.Edit_Param_Value, "");
Regex r = new Regex("(\\?|\\&)$");
urlRequested = r.Replace(urlRequested, "");
urlRequested = urlRequested.Replace("?&", "?");
// inspect the request and perform redirection as necessary
// start by getting the mapping items from the provider
// (it is up to the provider to cache these if feasible)
UrlMappingItemCollection coll
= (_provider != null ? _provider.GetUrlMappings() : new UrlMappingItemCollection());
bool matchFound = false;
foreach (UrlMappingItem item in coll)
{
Match match = item.UrlTarget.Match(urlRequested);
if (match.Success)
{
string newPath = item.Redirection;
// do we want to add querystring parameters for dynamic mappings?
NameValueCollection qs = new NameValueCollection();
if (match.Groups.Count > 1)
{
for (int i = 1; i < match.Groups.Count; i++)
{
qs.Add(item.UrlTarget.GroupNameFromNumber(i), match.Groups[i].Value);
}
}
RerouteRequest(app, newPath, qs, incomingQS);
// exit the loop
matchFound = true;
break;
}
}
// if we didn't find a match, take appropriate action
if (!matchFound)
{
switch (_noMatchAction)
{
case NoMatchActionEnum.PassThrough:
// do nothing; allow the request to continut to be processed normally;
break;
case NoMatchActionEnum.Redirect:
RerouteRequest(app, _noMatchRedirectPage, null, incomingQS);
break;
case NoMatchActionEnum.Return404:
app.Response.StatusCode = 404;
app.Response.StatusDescription = "File not found.";
break;
case NoMatchActionEnum.ThrowException:
throw new NoMatchFoundException("No UrlMappingModule match found for url '" + urlRequested + "'.");
}
}
}
}
}
