Authentication In .NET HttpHandler?
Sep 1, 2010
I have created a HttpHandler to be used with SWFUpload to upload images to the server. This upload is done in an administration backend so users need to be authenticated to upload images.Initially I made the whole administration area deny annonymous users but because of the way SWFUpload appears to work it wouldn't work correctly with Forms authentication and would return a 302 status code.I had thought it would be possible to make the location of my handler public in Web.config and use context.User.Identity.IsAuthenticated in my handler to determine if the user is logged in.
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Sep 17, 2010
Just going to start making a web application and was wondering which was better, or at least what are the main differences between them (as it probably matters what I am using them for)?
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Jun 28, 2010
In an ASP.NET application, I need to do some changes on every CSS file sent.So I created an HttpHandler (inside the app itself), added:
<add verb="*" path="*.css" type="MyWebsite.CssTestHandler,MyWebsite"/>
to Web.config in system.web/httpHandlers and modified the handler like this:
public void ProcessRequest(HttpContext context)
{
context.Response.Clear();
text.Response.Write("Hello World");
context.Response.End();
}
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Apr 9, 2010
i know how to implement this thing..
but i have few question like..
wot is the major purpose of using HttpHandler & HttpModules..
and how they work with page life cycle..?did they get executed b4 page life cycle..?where i got more control and more power
in order to utilize HttpHandler & HttpModules..
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May 25, 2010
Can u explain me what ASHX HttpHandler uses for?
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Apr 9, 2010
I have an aspx page that I want to convert to an HttpHandler, but I'm struggling withewState that's been used in the code behind of the aspx page
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Sep 10, 2010
How can I tell from within an ASP.NET HttpHandler if it is executing because of a call to Server.Execute("myHandler.ashx")or because of the user linking directly to myHandler.ashx? (Besides using a querystring parameter).
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Jan 7, 2011
As i know that asp.net fulfill all the requirements for any web application but what are the ground rules for creating custom httphandler and httpmodule in asp.net.Edit:For example I want to fetch image from database then what i should i use httphandler or normally read image from database.If httphandler then why?
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Jan 28, 2011
Im trying to write a small web application for forwarding requests to my page to the new pages on my web site. First off im implementing a IHttpHandler and in the ProcessRequest method i simple want to print out the requesting page, my conde looks like this:
public class RedirectHandler : IHttpHandler
{
public bool IsReusable
{
get { return true; }
[code]...
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Nov 26, 2010
Can a httphandler in .net return a value? If yes how?
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Jan 15, 2011
So I am working on a project in ASP.NET MVC 2 with C#.I have a View with a file upload but this is a flash component (.swf).The result of the file upload (the storing of the file and processing of data in the database) is done in a HTTPHandler.I would like the HTTPHandler to send information to my active controller.
Is there a way to get the controller that was used to load the view? I'm having problems finding information about it online.
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Feb 24, 2011
How to encrypt querystring using HttpHandler?
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Dec 10, 2010
I am trying to pass an exception to an HttpHandler by doing the following:
catch (Exception e)
{
byte[] exceptionData;
MemoryStream stream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter(null, new StreamingContext(StreamingContextStates.Persistence));
formatter.Serialize(stream, e);
exceptionData = stream.ToArray();
WebClient client = new WebClient();
Uri handler = new Uri(ApplicationUri, "TransferException.axd");
#if DEBUG
ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(BypassAllCertificateStuff);
#endif
try
{
client.UploadData(handler, exceptionData);
}
catch (WebException) { }
}
EDIT
I am getting the following exception on the client.UploadData() line.
"Content-Length or Chunked Encoding cannot be set for an operation that does not write data."
EDIT
Even if I change my call to be client.UploadString(location, "THIS IS A TEST!"); it still fails with the same exception.
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Apr 1, 2010
I have an website in IIS 6.0 (windows 2003). Inside that I had configured another application (As IIS Application).
Now, When I uncommend a "add verb" tag in main web.config file, the webservice inside the application throws "404 file not found exception" Is there anything which I need to update in child web.config?
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Mar 15, 2010
My HttpHandler looks like:
[Code]....
How can I cache the entire xml document that I am generating?
Or do I only have the option of caching the DataTable object?
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Sep 3, 2010
I'm trying to fashion a solution which will simulate App_Offline.htm for remote access but still allow local users to test the website out. I found some various options that I am trying out but the best one doesn't seem to work for our ASP.NET(2.0) site which relies on session state being enabled on all of the pages.
The HttpHandler is added into web.config
<add verb="*" path="*.aspx" type="AppOffline.AppOfflineHandler, AppOffline" />
and when the class is called, it boils down to this:
public void ProcessRequest( HttpContext context )
{
this.context = context;
[code]...
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Jun 21, 2010
<asp:Image ID="imgVerify" Width="60" Height="18" runat="server" align="absmiddle" Style="border: 1px solid #999999" ImageUrl="/Common/GetCaptcha.aspx" />
It'll also trigger Page_Load() of abc.aspx. Is this that true? And if it is, can I avoid it?
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Mar 3, 2010
what is httphandler?what is the use ?
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Mar 25, 2011
I'm using the RssToolkit for .net. I'm using an Httphandler to return rss feeds. The feedID is passed in as a querystring parameter. If no parameter is passed in, I would like to have the the handler return a feed that is an aggreate of some of the feeds that the handler can handle. What I'm wondering is, can the handler recurse?
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Apr 4, 2011
Providing web features through a custom HttpHandler such as in Elmah is extremely handy for ASP.NET Web Applications, because the handler can be embedded into any ASP.NET web app. It perfectly fits as a simple way to extend an existing web app. Now, developing any significant set of features through a custom handler is a very tedious process. I am wondering if it is possible to directly embed an ASP.NET Application into another one through a custom handler (as opposed to cut and pasting the whole app in a sub directory). Here is a small list of embedded web app that would be fit for such a purpose:
Health monitoring console. Provisioning console (for cloud web app with auto-scaling). App settings management console (considering a scheme IoC-settings-stored-in-DB). Each one of those web parts could be provided as an HttpHandler; but again implementation is really tedious. Does anyone know how to do that or how to achieve an equivalent behavior?
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Jun 18, 2010
I have a strange issue where i have a a HttpHandler having its ProcessRequest() event firing twice.i have nothing else in the class except a pointer to a static method so i'm lost.I have done some googling to no avail even thought it appears a few people are having similar issues:
Code:
public bool IsReusable
{
get { return true; }
[code]...
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Feb 13, 2010
I have a set of code (noted below) in ProcessRequest(HttpContext context) in a generic handler .ashx file.
HtmlGenericControl holder = new HtmlGenericControl("div");
//Set holder's properties and customization
HtmlGenericControl button1 = new HtmlGenericControl("input");[code]....
Now as I am in a HttpHander, I want to get the HTML of holder control and write it through context.Respose.Write().
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Jan 8, 2010
I have just installed SQL Server 2005. I selected windows mode authentication. I am not able to login in management studion. Now, I want to use mixed and server authentication option inplace of windows authentication. so, would that be possible after installation.
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Jul 14, 2010
This could be very straight forward for some of you, but I got caught up. I am doing very simple test - browsing from IIS Manager to see the default page or "under Construction", however I am being challenged to provide my login credential . When I provide my login credential, I am able to see the default page. I wanted to see the default page without providing my credential since Enable anoymous access + basic authentication I am simply wanted to see the default page asit is working on other servers except this one. I have included screen print to make sure may question is clear.
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Jan 4, 2011
What's the difference between Basic Authentication and Integrated Windows Authentication in IIS?
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