private static void InitializeDynamicData(RouteCollection routes, string root, IAppConfiguration configuration)
{
try
{
DefaultModel.RegisterContext(
new EFCodeFirstDataModelProvider(
() => new EntitiesContext(configuration.SqlConnectionString, readOnly: false)), // DB Admins do not need to respect read-only mode.
configuration: new ContextConfiguration { ScaffoldAllTables = true });
}
catch (SqlException e)
{
QuietLog.LogHandledException(e);
return;
}
catch (DataException e)
{
QuietLog.LogHandledException(e);
return;
}
// This route must come first to prevent some other route from the site to take over
_route = new DynamicDataRoute(root + "/{table}/{action}")
{
Constraints = new RouteValueDictionary(new { action = "List|Details|Edit|Insert" }),
Model = DefaultModel
};
routes.Insert(0, _route);
routes.MapPageRoute(
"dd_default",
root,
"~/Areas/Admin/DynamicData/Default.aspx");
}
private string GetPageVirtualPathNoCache(DynamicDataRoute route, MetaTable table, string action)
{
// The view name defaults to the action
string viewName = route.ViewName ?? action;
// First, get the path to the custom page
string customPageVirtualPath = GetCustomPageVirtualPath(table, viewName);
if (VirtualPathProvider.FileExists(customPageVirtualPath))
{
return(customPageVirtualPath);
}
else
{
if (table.Scaffold)
{
// If it doesn't exist, try the scaffolded page, but only if scaffolding is enabled on this table
return(GetScaffoldPageVirtualPath(table, viewName));
}
else
{
// If scaffolding is disabled, null the path so BuildManager doesn't get called.
return(null);
}
}
}
private string GetPageVirtualPath(DynamicDataRoute route, MetaTable table, string action) {
long cacheKey = Misc.CombineHashCodes(table, route.ViewName ?? action);
Dictionary<long, string> virtualPathCache = GetVirtualPathCache();
string virtualPath;
if (!virtualPathCache.TryGetValue(cacheKey, out virtualPath)) {
virtualPath = GetPageVirtualPathNoCache(route, table, action);
lock (virtualPathCache) {
virtualPathCache[cacheKey] = virtualPath;
}
}
return virtualPath;
}
/// <summary>
/// Create a handler to process a Dynamic Data request
/// </summary>
/// <param name="route">The Route that was matched</param>
/// <param name="table">The MetaTable found in the route</param>
/// <param name="action">The Action found in the route</param>
/// <returns></returns>
public virtual IHttpHandler CreateHandler(DynamicDataRoute route, MetaTable table, string action) {
// First, get the path to the page (could be custom, shared, or null)
string virtualPath = GetPageVirtualPath(route, table, action);
if (virtualPath != null) {
// Gets called only for custom pages that we know exist or templates that may or may not
// exist. This method will throw if virtualPath does not exist, which is fine for templates
// but is not fine for custom pages.
return CreateHandlerCallback(virtualPath);
} else {
// This should only occur in the event that scaffolding is disabled and the custom page
// virtual path does not exist.
return null;
}
}
private string GetPageVirtualPath(DynamicDataRoute route, MetaTable table, string action)
{
long cacheKey = Misc.CombineHashCodes(table, route.ViewName ?? action);
Dictionary <long, string> virtualPathCache = GetVirtualPathCache();
string virtualPath;
if (!virtualPathCache.TryGetValue(cacheKey, out virtualPath))
{
virtualPath = GetPageVirtualPathNoCache(route, table, action);
lock (virtualPathCache) {
virtualPathCache[cacheKey] = virtualPath;
}
}
return(virtualPath);
}
/// <summary>
/// Create a handler to process a Dynamic Data request
/// </summary>
/// <param name="route">The Route that was matched</param>
/// <param name="table">The MetaTable found in the route</param>
/// <param name="action">The Action found in the route</param>
/// <returns></returns>
public virtual IHttpHandler CreateHandler(DynamicDataRoute route, MetaTable table, string action)
{
// First, get the path to the page (could be custom, shared, or null)
string virtualPath = GetPageVirtualPath(route, table, action);
if (virtualPath != null)
{
// Gets called only for custom pages that we know exist or templates that may or may not
// exist. This method will throw if virtualPath does not exist, which is fine for templates
// but is not fine for custom pages.
return(CreateHandlerCallback(virtualPath));
}
else
{
// This should only occur in the event that scaffolding is disabled and the custom page
// virtual path does not exist.
return(null);
}
}
static RouteContext MakeRouteContext(RequestContext context, DynamicDataRoute route, string action, MetaTable table)
{
RouteData rd = null;
if (route == null)
{
rd = context.RouteData;
route = rd.Route as DynamicDataRoute;
}
if (route != null)
{
if (action == null)
{
if (rd == null)
{
rd = context.RouteData;
}
action = route.GetActionFromRouteData(rd);
}
if (table == null)
{
if (rd == null)
{
rd = context.RouteData;
}
table = route.GetTableFromRouteData(rd);
}
}
return(new RouteContext()
{
Route = route,
Action = action,
Table = table,
Context = context
});
}
internal static RequestContext GetRequestContext(HttpContextBase httpContext)
{
Debug.Assert(httpContext != null);
// Look for the RequestContext in the HttpContext
var requestContext = httpContext.Items[s_requestContextKey] as RequestContext;
// If the current request didn't go through the routing engine (e.g. normal page),
// there won't be a RequestContext. If so, create a new one and save it
if (requestContext == null)
{
var routeData = new RouteData();
requestContext = new RequestContext(httpContext, routeData);
// Add the query string params to the route data. This allows non routed pages to support filtering.
DynamicDataRoute.AddQueryStringParamsToRouteData(httpContext, routeData);
httpContext.Items[s_requestContextKey] = requestContext;
}
return(requestContext);
}
public virtual IHttpHandler CreateHandler(DynamicDataRoute route, MetaTable table, string action)
{
// .NET bug emulation mode
if (route == null || table == null || action == null)
{
throw new NullReferenceException();
}
// NOTE: all code below is a result of guessing as no tests succeed for this
// call so far!
IHttpHandler ret = null;
// Give custom pages a chance
string viewName = String.IsNullOrEmpty(action) ? route.ViewName : action;
string path = GetCustomPageVirtualPath(table, viewName);
// Pages might be in app resources, need to use a VPP
VirtualPathProvider vpp = HostingEnvironment.VirtualPathProvider;
if (vpp != null && vpp.FileExists(path))
{
ret = BuildManager.CreateInstanceFromVirtualPath(path, typeof(Page)) as IHttpHandler;
}
if (ret != null)
{
return(ret);
}
path = GetScaffoldPageVirtualPath(table, viewName);
if (vpp != null && vpp.FileExists(path))
{
ret = BuildManager.CreateInstanceFromVirtualPath(path, typeof(Page)) as IHttpHandler;
}
return(ret);
}
/// <summary>
/// Creates the handler.
/// </summary>
/// <param name="route">The route.</param>
/// <param name="table">The table.</param>
/// <param name="view">The action.</param>
/// <returns>An IHttpHandler</returns>
public override IHttpHandler CreateHandler(DynamicDataRoute route, MetaTable table, string view)
{
var httpContext = HttpContext.Current;
if (httpContext != null)
{
string[] usersRoles = new string[] { "Guest" };
if (httpContext.User.Identity.Name != "")
{
usersRoles = Roles.GetRolesForUser(httpContext.User.Identity.Name);
if (usersRoles.Length == 0)
usersRoles = new string[] { "Guest" };
}
var tablePermissions = table.Attributes.OfType<DataAccess>();
if (tablePermissions.Count() == 0)
return null;
foreach (var tp in tablePermissions)
{
if (tp.HasAnyRole(usersRoles))
{
// if no action is allowed return no route
var tpTableView = tp.TableViews.ToString().Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
var tpRowView = tp.RowViews.ToString().Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (tpTableView.Contains(view))
return base.CreateHandler(route, table, view);
if (tpRowView.Contains(view))
return base.CreateHandler(route, table, view);
}
}
}
return null;
}
public void GetRouteData ()
{
var r = new DynamicDataRoute ("{table}/{action}.aspx");
// We need one which overloads CreateHandler
r.RouteHandler = new MyDynamicDataRouteHandler ();
var wrapper = new MyHttpContextWrapper ();
var request = wrapper.Request as MyHttpRequestWrapper;
request.SetProperty ("AppRelativeCurrentExecutionFilePath", "~/NoSuchTable/List.aspx");
request.SetProperty ("PathInfo", String.Empty);
// This must be non-null because DynamicData doesn't care to check whether the returned
// value is null or not...
request.SetProperty ("QueryString", new NameValueCollection ());
// It appears .NET checks whether the indicated table exists - if not, GetRouteData will return
// null (even though the Route class will find a match)
RouteData rd = r.GetRouteData (wrapper);
Assert.IsNull (rd, "#A1");
request.SetProperty ("AppRelativeCurrentExecutionFilePath", "~/BazTable/List.aspx");
rd = r.GetRouteData (wrapper);
Assert.IsNotNull (rd, "#B1");
}
public override IHttpHandler CreateHandler (DynamicDataRoute route, MetaTable table, string action)
{
return new Page () as IHttpHandler;
}
static RouteContext MakeRouteContext (RequestContext context, DynamicDataRoute route, string action, MetaTable table)
{
RouteData rd = null;
if (route == null) {
rd = context.RouteData;
route = rd.Route as DynamicDataRoute;
}
if (route != null) {
if (action == null) {
if (rd == null)
rd = context.RouteData;
action = route.GetActionFromRouteData (rd);
}
if (table == null) {
if (rd == null)
rd = context.RouteData;
table = route.GetTableFromRouteData (rd);
}
}
return new RouteContext () {
Route = route,
Action = action,
Table = table,
Context = context};
}
public void GetActionFromRouteData2 ()
{
var r = new DynamicDataRoute ("x");
var rd = new RouteData ();
rd.Values["Action"] = "y";
var a = r.GetActionFromRouteData (rd);
Assert.AreEqual ("y", a);
}
public void GetActionFromRouteData ()
{
var r = new DynamicDataRoute ("x2");
var rd = new RouteData ();
// rd must have "Action" value
r.GetActionFromRouteData (rd);
}
public void BaseDefaultsModification_10 ()
{
MetaModel m = MetaModel.Default;
var req = new FakeHttpWorkerRequest ();
var ctx = new HttpContext (req);
HttpContext.Current = ctx;
RouteCollection routes = RouteTable.Routes;
routes.Clear ();
var ddr = new DynamicDataRoute ("{table}/{action}.aspx") {
Defaults = new RouteValueDictionary () {
{"Table", "FooWithDefaultsTable"}
},
Table = "BazTable",
Model = m,
RouteHandler = new MyDynamicDataRouteHandler ()
};
routes.Add (ddr);
Assert.IsNotNull (ddr, "#A1");
Assert.IsNotNull (ddr.Defaults, "#A1-1");
var rd = new RouteData ();
var hc = new HttpContextWrapper (HttpContext.Current);
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
Assert.IsNotNull (ddr.Defaults, "#B1");
Assert.AreEqual (1, ddr.Defaults.Count, "#B1-1");
Assert.AreEqual ("BazTable", ddr.Defaults["Table"], "#B1-2");
ddr.Table = "AnotherTable";
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
Assert.IsNotNull (ddr.Defaults, "#C1");
Assert.AreEqual (1, ddr.Defaults.Count, "#C1-1");
Assert.AreEqual ("BazTable", ddr.Defaults["Table"], "#C1-2");
}
public void Constructor ()
{
// other tests create MetaModel and set Default and this test does not always run first, so it does not make sense anymore.
//Assert.IsNull (MetaModel.Default, "#1");
bool isFirst = (MetaModel.Default == null);
var m = new MetaModel (); // it automatically fills Default
if (isFirst)
Assert.AreEqual (m, MetaModel.Default, "#2");
var r = new DynamicDataRoute ("Dynamic1");
Assert.AreEqual (MetaModel.Default, r.Model, "#1");
Assert.IsNull (r.Action, "#2");
Assert.IsNull (r.Table, "#3");
Assert.IsNull (r.ViewName, "#4");
Assert.IsNotNull (r.RouteHandler, "#5");
Assert.IsNotNull (r.Model, "#6");
Assert.IsNull (r.RouteHandler.Model, "#7"); // irrelevant to route's MetaModel
}
public void BaseDefaultsModification_8 ()
{
MetaModel m = MetaModel.Default;
var req = new FakeHttpWorkerRequest ();
var ctx = new HttpContext (req);
HttpContext.Current = ctx;
RouteCollection routes = RouteTable.Routes;
routes.Clear ();
var ddr = new DynamicDataRoute ("{table}/{action}.aspx") {
Table = String.Empty,
Model = m,
RouteHandler = new MyDynamicDataRouteHandler ()
};
routes.Add (ddr);
var rd = new RouteData ();
var hc = new HttpContextWrapper (HttpContext.Current);
AssertExtensions.Throws<ArgumentException> (() => {
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
}, "#A1");
}
public void BaseDefaultsModification_9 ()
{
MetaModel m = MetaModel.Default;
var req = new FakeHttpWorkerRequest ();
var ctx = new HttpContext (req);
HttpContext.Current = ctx;
RouteCollection routes = RouteTable.Routes;
routes.Clear ();
var ddr = new DynamicDataRoute ("{table}/{action}.aspx") {
Defaults = new RouteValueDictionary () {
{"Action", "InitialAction"}
},
Action = PageAction.Details,
Model = m,
RouteHandler = new MyDynamicDataRouteHandler ()
};
routes.Add (ddr);
Assert.IsNotNull (ddr, "#A1");
Assert.IsNotNull (ddr.Defaults, "#A1-1");
var rd = new RouteData ();
var hc = new HttpContextWrapper (HttpContext.Current);
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
Assert.IsNotNull (ddr.Defaults, "#B1");
Assert.AreEqual (1, ddr.Defaults.Count, "#B1-1");
Assert.AreEqual (PageAction.Details, ddr.Defaults["Action"], "#B1-2");
ddr.Action = "MyAction";
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
Assert.IsNotNull (ddr.Defaults, "#C1");
Assert.AreEqual (1, ddr.Defaults.Count, "#C1-1");
Assert.AreEqual (PageAction.Details, ddr.Defaults["Action"], "#B1-2");
}
public void BaseDefaultsModification_7 ()
{
MetaModel m = MetaModel.Default;
var req = new FakeHttpWorkerRequest ();
var ctx = new HttpContext (req);
HttpContext.Current = ctx;
RouteCollection routes = RouteTable.Routes;
routes.Clear ();
var ddr = new DynamicDataRoute ("{table}/{action}.aspx") {
Table = null,
Model = m,
RouteHandler = new MyDynamicDataRouteHandler ()
};
routes.Add (ddr);
Assert.IsNotNull (ddr, "#A1");
Assert.IsNull (ddr.Defaults, "#A1-1");
var rd = new RouteData ();
var hc = new HttpContextWrapper (HttpContext.Current);
ddr.GetVirtualPath (new RequestContext (hc, rd), null);
Assert.IsNull (ddr.Defaults, "#B1");
}
public virtual IHttpHandler CreateHandler (DynamicDataRoute route, MetaTable table, string action)
{
// .NET bug emulation mode
if (route == null || table == null || action == null)
throw new NullReferenceException ();
// NOTE: all code below is a result of guessing as no tests succeed for this
// call so far!
IHttpHandler ret = null;
// Give custom pages a chance
string viewName = String.IsNullOrEmpty (action) ? route.ViewName : action;
string path = GetCustomPageVirtualPath (table, viewName);
// Pages might be in app resources, need to use a VPP
VirtualPathProvider vpp = HostingEnvironment.VirtualPathProvider;
if (vpp != null && vpp.FileExists (path))
ret = BuildManager.CreateInstanceFromVirtualPath (path, typeof (Page)) as IHttpHandler;
if (ret != null)
return ret;
path = GetScaffoldPageVirtualPath (table, viewName);
if (vpp != null && vpp.FileExists (path))
ret = BuildManager.CreateInstanceFromVirtualPath (path, typeof (Page)) as IHttpHandler;
return ret;
}
public void GetTableFromRouteData ()
{
var r = new DynamicDataRoute ("x");
var rd = new RouteData ();
// rd must have "Table" value
r.GetTableFromRouteData (rd);
}
public void GetTableFromRouteData3 ()
{
var r = new DynamicDataRoute ("x");
var rd = new RouteData ();
rd.Values["Table"] = "FooTable";
var t = r.GetTableFromRouteData (rd);
}
public void GetTableFromRouteData2 ()
{
var r = new DynamicDataRoute ("x");
r.Model = new MetaModel ();
var rd = new RouteData ();
rd.Values["Table"] = "y";
r.GetTableFromRouteData (rd); // no such table
}
private string GetPageVirtualPathNoCache(DynamicDataRoute route, MetaTable table, string action) {
// The view name defaults to the action
string viewName = route.ViewName ?? action;
// First, get the path to the custom page
string customPageVirtualPath = GetCustomPageVirtualPath(table, viewName);
if (VirtualPathProvider.FileExists(customPageVirtualPath)) {
return customPageVirtualPath;
} else {
if (table.Scaffold) {
// If it doesn't exist, try the scaffolded page, but only if scaffolding is enabled on this table
return GetScaffoldPageVirtualPath(table, viewName);
} else {
// If scaffolding is disabled, null the path so BuildManager doesn't get called.
return null;
}
}
}
public void RouteHandler ()
{
var r = new DynamicDataRoute ("{table}/{action}.aspx");
Assert.IsNotNull (r.RouteHandler, "#A1");
Assert.AreEqual (typeof (DynamicDataRouteHandler), r.RouteHandler.GetType (), "#A1-1");
r.RouteHandler = null;
Assert.IsNull (r.RouteHandler, "#A2");
}