/// <devdoc>
/// Validates that the WebResource.axd handler is registered in config and actually
/// points to the correct handler type.
/// </devdoc>
private static void EnsureHandlerExistenceChecked()
{
// First we have to check that the handler is registered:
// <add path="WebResource.axd" verb="GET" type="System.Web.Handlers.AssemblyResourceLoader" validate="True" />
if (!_handlerExistenceChecked)
{
HttpContext context = HttpContext.Current;
IIS7WorkerRequest iis7WorkerRequest = (context != null) ? context.WorkerRequest as IIS7WorkerRequest : null;
string webResourcePath = UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, _webResourceUrl);
if (iis7WorkerRequest != null)
{
// check the IIS <handlers> section by mapping the handler
string handlerTypeString = iis7WorkerRequest.MapHandlerAndGetHandlerTypeString(method: "GET",
path: UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, _webResourceUrl),
convertNativeStaticFileModule: false, ignoreWildcardMappings: true);
if (!String.IsNullOrEmpty(handlerTypeString))
{
_handlerExists = (typeof(AssemblyResourceLoader) == BuildManager.GetType(handlerTypeString, true /*throwOnFail*/, false /*ignoreCase*/));
}
}
else
{
// check the <httpHandlers> section
HttpHandlerAction httpHandler = RuntimeConfig.GetConfig(VirtualPath.Create(webResourcePath)).HttpHandlers.FindMapping("GET", VirtualPath.Create(_webResourceUrl));
_handlerExists = (httpHandler != null) && (httpHandler.TypeInternal == typeof(AssemblyResourceLoader));
}
_handlerExistenceChecked = true;
}
}
internal static void WriteHandlerToConfiguration(Configuration config)
{
HttpHandlersSection handlers = config.GetSection("system.web/httpHandlers") as HttpHandlersSection;
foreach (HttpHandlerAction h in handlers.Handlers)
{
if (h.Path == HandlerName)
{
return;
}
}
HttpHandlerAction myHandler = new HttpHandlerAction(HandlerName, HandlerType, "*", false);
handlers.Handlers.Add(myHandler);
try
{
config.Save();
}
catch (Exception ex)
{
// Gulp
System.Diagnostics.Debug.Write(ex.ToString());
}
}
bool LocateHandler(string verb, string uri)
{
var config = WebConfigurationManager.GetSection("system.web/httpHandlers") as HttpHandlersSection;
HttpHandlerActionCollection handlers = config != null ? config.Handlers : null;
int count = handlers != null ? handlers.Count : 0;
if (count == 0)
{
return(false);
}
for (int i = 0; i < count; i++)
{
HttpHandlerAction handler = handlers [i];
string[] verbs = SplitVerbs(handler.Verb);
if (verbs == null)
{
if (PathMatches(handler, uri))
{
return(true);
}
continue;
}
for (int j = 0; j < verbs.Length; j++)
{
if (verbs [j] != verb)
{
continue;
}
if (PathMatches(handler, uri))
{
return(true);
}
}
}
return(false);
}
private static void EnsureHandlerExistenceChecked()
{
if (!_handlerExistenceChecked)
{
HttpContext current = HttpContext.Current;
IIS7WorkerRequest request = (current != null) ? (current.WorkerRequest as IIS7WorkerRequest) : null;
string path = UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, "WebResource.axd");
if (request != null)
{
string str2 = request.MapHandlerAndGetHandlerTypeString("GET", path, false);
if (!string.IsNullOrEmpty(str2))
{
_handlerExists = typeof(AssemblyResourceLoader) == BuildManager.GetType(str2, true, false);
}
}
else
{
HttpHandlerAction action = RuntimeConfig.GetConfig(VirtualPath.Create(path)).HttpHandlers.FindMapping("GET", VirtualPath.Create("WebResource.axd"));
_handlerExists = (action != null) && (action.TypeInternal == typeof(AssemblyResourceLoader));
}
_handlerExistenceChecked = true;
}
}
internal static void CheckConfiguration(ISite site)
{
if (site == null)
{
return;
}
IWebApplication app = (IWebApplication)site.GetService(typeof(IWebApplication));
if (app == null)
{
return;
}
Configuration config = app.OpenWebConfiguration(false);
HttpHandlersSection handlers = (HttpHandlersSection)config.GetSection("system.web/httpHandlers");
// Does the httpHandlers Secton already exist?
if (handlers == null)
{
// If not, add it...
handlers = new HttpHandlersSection();
ConfigurationSectionGroup group = config.GetSectionGroup("system.web");
// Does the system.web Section already exist?
if (group == null)
{
// If not, add it...
config.SectionGroups.Add("system.web", new ConfigurationSectionGroup());
group = config.GetSectionGroup("system.web");
}
if (group != null)
{
group.Sections.Add("httpHandlers", handlers);
}
}
HttpHandlerAction action = new HttpHandlerAction("*/ext.axd", "Ext.Net.ResourceHandler", "*", false);
// Does the ResourceHandler already exist?
if (handlers.Handlers.IndexOf(action) < 0)
{
// If not, add it...
handlers.Handlers.Add(action);
config.Save();
}
HttpModulesSection modules = (HttpModulesSection)config.GetSection("system.web/httpModules");
// Does the httpModules Secton already exist?
if (modules == null)
{
// If not, add it...
modules = new HttpModulesSection();
ConfigurationSectionGroup group = config.GetSectionGroup("system.web");
// Does the system.web Section already exist?
if (group == null)
{
// If not, add it...
config.SectionGroups.Add("system.web", new ConfigurationSectionGroup());
group = config.GetSectionGroup("system.web");
}
if (group != null)
{
group.Sections.Add("httpModules", modules);
}
}
//<add name="DirectRequestModule" type="Ext.Net.DirectRequestModule, Ext.Net" />
HttpModuleAction action2 = new HttpModuleAction("DirectRequestModule", "Ext.Net.DirectRequestModule, Ext.Net");
// Does the ResourceHandler already exist?
if (modules.Modules.IndexOf(action2) < 0)
{
// If not, add it...
modules.Modules.Add(action2);
config.Save();
}
}
public static int EnsureWebConfigHandler(Configuration config, string type, string path)
{
HttpHandlerAction action = new HttpHandlerAction(path, type, "*");
HttpHandlersSection hs = (HttpHandlersSection)config.GetSection("system.web/httpHandlers");
foreach (HttpHandlerAction ha in hs.Handlers) {
if (ha.Path.ToLower().Trim() == path.ToLower().Trim()) return 0;
}
hs.Handlers.Add(action);
return 1;
}
public UsingHttpHandlersSection()
{
// Process the
// System.Web.Configuration.HttpHandlersSectionobject.
try
{
// <Snippet1>
// Get the Web application configuration.
System.Configuration.Configuration configuration = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("/aspnetTest");
// Get the section.
System.Web.Configuration.HttpHandlersSection httpHandlersSection = (System.Web.Configuration.HttpHandlersSection)configuration.GetSection("system.web/httphandlers");
// </Snippet1>
// <Snippet2>
// Get the handlers.
System.Web.Configuration.HttpHandlerActionCollection httpHandlers = httpHandlersSection.Handlers;
// </Snippet2>
// <Snippet3>
// Add a new HttpHandlerAction to the Handlers property HttpHandlerAction collection.
httpHandlersSection.Handlers.Add(new HttpHandlerAction(
"Calculator.custom",
"Samples.Aspnet.SystemWebConfiguration.Calculator, CalculatorHandler",
"GET",
true));
// </Snippet3>
// <Snippet4>
// Get a HttpHandlerAction in the Handlers property HttpHandlerAction collection.
HttpHandlerAction httpHandler = httpHandlers[0];
// </Snippet4>
// <Snippet5>
// Change the Path for the HttpHandlerAction.
httpHandler.Path = "Calculator.custom";
// </Snippet5>
// <Snippet6>
// Change the Type for the HttpHandlerAction.
httpHandler.Type =
"Samples.Aspnet.SystemWebConfiguration.Calculator, CalculatorHandler";
// </Snippet6>
// <Snippet7>
// Change the Verb for the HttpHandlerAction.
httpHandler.Verb = "POST";
// </Snippet7>
// <Snippet8>
// Change the Validate for the HttpHandlerAction.
httpHandler.Validate = false;
// </Snippet8>
// <Snippet9>
// Get the specified handler's index.
HttpHandlerAction httpHandler2 = new HttpHandlerAction(
"Calculator.custom",
"Samples.Aspnet.SystemWebConfiguration.Calculator, CalculatorHandler",
"GET", true);
int handlerIndex = httpHandlers.IndexOf(httpHandler2);
// </Snippet9>
// <Snippet10>
// Remove a HttpHandlerAction object
HttpHandlerAction httpHandler3 = new HttpHandlerAction(
"Calculator.custom",
"Samples.Aspnet.SystemWebConfiguration.Calculator, CalculatorHandler",
"GET", true);
httpHandlers.Remove(httpHandler3);
// </Snippet10>
// <Snippet11>
// Remove a HttpHandlerAction object with 0 index.
httpHandlers.RemoveAt(0);
// </Snippet11>
// <Snippet12>
// Clear all CustomError objects from the Handlers property HttpHandlerAction collection.
httpHandlers.Clear();
// </Snippet12>
// <Snippet13>
// Remove the handler with the specified verb and path.
httpHandlers.Remove("GET", "*.custom");
// </Snippet13>
Console.WriteLine("List the Errors collection:");
int handlerActionCtr = 0;
foreach (HttpHandlerAction handlerAction in httpHandlersSection.Handlers)
{
// <Snippet14>
string type = handlerAction.Type;
// </Snippet14>
// <Snippet15>
string verb = handlerAction.Verb;
// </Snippet15>
// <Snippet16>
bool validation = handlerAction.Validate;
// </Snippet16>
Console.WriteLine(" {0}: message", ++handlerActionCtr);
}
// Update if not locked.
if (!httpHandlersSection.SectionInformation.IsLocked)
{
configuration.Save();
Console.WriteLine("** Configuration updated.");
}
else
{
Console.WriteLine("** Could not update, section is locked.");
}
}
catch (System.ArgumentException e)
{
// Unknown error.
Console.WriteLine(e.ToString());
}
}
// Methods
public int IndexOf(HttpHandlerAction action)
{
}
public void Remove(HttpHandlerAction action)
{
}
public void Add(HttpHandlerAction httpHandlerAction)
{
}
public void Remove(HttpHandlerAction action) {}
public void Add(HttpHandlerAction httpHandlerAction) {}
// Methods
public int IndexOf(HttpHandlerAction action) {}
bool PathMatches(HttpHandlerAction handler, string uri)
{
bool result = false;
string[] handlerPaths = handler.Path.Split(',');
int slash = uri.LastIndexOf('/');
string origUri = uri;
if (slash != -1)
{
uri = uri.Substring(slash);
}
SearchPattern sp = null;
foreach (string handlerPath in handlerPaths)
{
if (handlerPath == "*")
{
continue; // ignore
}
string matchExact = null;
string endsWith = null;
Regex regEx = null;
if (handlerPath.Length > 0)
{
if (handlerPath [0] == '*' && (handlerPath.IndexOf('*', 1) == -1))
{
endsWith = handlerPath.Substring(1);
}
if (handlerPath.IndexOf('*') == -1)
{
if (handlerPath [0] != '/')
{
HttpContext ctx = HttpContext.Current;
HttpRequest req = ctx != null ? ctx.Request : null;
string vpath = HttpRuntime.AppDomainAppVirtualPath;
if (vpath == "/")
{
vpath = String.Empty;
}
matchExact = String.Concat(vpath, "/", handlerPath);
}
}
}
if (matchExact != null)
{
result = matchExact.Length == origUri.Length && origUri.EndsWith(matchExact, StringComparison.OrdinalIgnoreCase);
if (result == true)
{
break;
}
else
{
continue;
}
}
else if (endsWith != null)
{
result = uri.EndsWith(endsWith, StringComparison.OrdinalIgnoreCase);
if (result == true)
{
break;
}
else
{
continue;
}
}
string pattern;
if (handlerPath.Length > 0 && handlerPath [0] == '/')
{
pattern = handlerPath.Substring(1);
}
else
{
pattern = handlerPath;
}
if (sp == null)
{
sp = new SearchPattern(pattern, true);
}
else
{
sp.SetPattern(pattern, true);
}
if (sp.IsMatch(origUri))
{
result = true;
break;
}
}
return(result);
}
