HttpHandlers / Modules :: Getting The Client Details In The Custom HTTP Module
Mar 16, 2011
I am writing a custom HTTP module to implement user authentication and appropriate access rights. And for identifying access rights for the user also depends on identifying the client's machine details like IP address, machine name, etc. The access rights will depend based on from which location or machine the user is trying to login.
Can we get these details from the HttpApplication or HttpContext object?
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Jul 15, 2010
i redirect a page from http to https using http module begin request handler .i am calling webservice using ajax but it is saying webserice not defined .which otherwise works fineits work fine when rediect page in page_load instead .but i need to add function for https to http in every page. i still not know why ajax is not working when i use http module for redirect
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Jan 18, 2010
Can anyone tell me if there is a way to convert all URL's to lowercase using an Http Module for URL rewriting? For example www.homeforhire.com/Home.aspx should be converted to lowercase.
I cannot use the IIS7 URL Rewriter because I need to perform database lookups as part of my URL rewriting.
I have researched this extensively but have not had any luck finding a solution.
The only alternative I can think of is to use a dynamically created canonical link in my page headers.
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Aug 25, 2010
Our site uses urlRewriter http module that does the url rewriting for us. I want to create another http module that will handle our customize URL redirects. Now I want this new customize http module to be call before the UrlRewriter module (to avoid page not found messages the UrlRewriter generates). Is there a way we can contol the calling order ?
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Jul 23, 2010
I have a very simple query. I have added custom header to my website. Now I want to read the custom header. I am using IIS 6.0 on windows XP. I have already tried using using the Request.ServerVariables and and Request.header method. But none of them give me the custom header added to website.
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Nov 28, 2010
When I have a HttpHandler class in C#/ASP.NET mapped to a file extension in IIS any file with that extension fails to download/display in web browsers (it's downloaded as a 0-byte file in some browsers and nothing at all in other browsers). After removing the application mapping for the HttpHandler in IIS so it doesn't call the IHttpHandler class in C#, the web browser downloads the file successfully.
This was tested with an IHttpHandler class in C# that has an empty ProcessRequest method.
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May 11, 2010
I have IReadOnlySessionState and IRequiresSessionState on my module but still httpApplication.Context.Session == null is this because these session state hasn't been created yet? is there a way around this?
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Sep 29, 2010
I have developed a quick module that adds some text to the bottom of every page. This text will basically inform the user they are using my application in a test environment and save me editing the Master/Content pages for all my files.Sadly, my code adds the string AFTER the </html> tag, which isn't very good. Can anyone advise how to make this module add the stringprevious to the </body> tag, so that it gets rendered correctly according the HTML standards?
[Code]....
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Jun 8, 2010
is httpmodules executed each and every time in request and response cycle ?? if Yes is it possible to disable a specific http module ??
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Jul 2, 2010
I hope I am posting into the right area... I want to know if you can access a session variable from a HTTP Module in IIS 7. Here is the scenario, I want to access the session values (i.e. User Object) from a HTTP Module. I have read oodles and tried many things but to no avail. I guess the application uses Forms authentication to authorize a logon to the site. I want to monitor the url that is submitted... RAWUrl property and if they are going to a certain page I want to grab their user object from THEIR session and validate them for access to that page. I want to use a httpmodule for this. The long and short of this is "Can I get access to session variables from the request from the httpmodule code behind? If I can, could you beso kind as to show me a working sample... I have tried many permutations on this using httpapplication, context and so forth and I can't seem to get access to session variables that would belong to the users request. it this possible?
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Feb 6, 2010
The iPhone sends an HTTP GET request to my web application to recieve an update for an internet calendar. The iPhone does not conform to the RFC 822 Date Format for this request. It sends the If-Modified-Since as follows:
RFC 822 format - Sun, 06 Nov 1994 08:49:37 GMT
iPhone Format - Sun, 6 Nov 1994 08:49:37 GMT
I dont know much about handlers or modules. Is it possible to write a handler or module that could intercept this request and reformat the If-Modified-Since date format to the standard. Currently when IIS recieves this request it immediately sends back a 400 Error because of this invalid format.
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Nov 11, 2010
I am wanting to create a url rewriting module and have investigated numerous examples on the web. However, most do not address the issues of handling postbacks and querystrings. I cam across a few examples, but don't fully understand how they work and thus customizing them to my needs becomes a problem. I understand the basic concepts of rewriting, but can someone explain, or point me to a resource on how postbacks and querystrings are handled?
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Jun 18, 2010
I have a module that subscribes to PreRequestHandlerExecute event, which uses the Session object. When i set the webconfig compilationdebug flag to false, the Session object is null when making requests to the web service. It works fine for .aspx requests, but only have problems for .asmx. When i set the debug flag to true everything works fine. I need to set this flag to false for production, but can't seem to get it work.I'm using II7 and the integrated pipeline, so this event will fire for all requests.
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Jan 26, 2010
After adding a custom module, Module list is showing MyModule "Entry Type" as "Local".
and Entry Type of all other modules is "Inherited".
what is Entry Type and difference between "Local" and "Inherited"?
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Feb 7, 2011
How do we findout the whether the application is using any HTTPModules and httphandler in the applicaion?Is there anyway to findout from the url without checking the web.config file?
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Feb 3, 2011
It is good experience by reading posts/discussions so im asp.net programmer i need the knowledge of how to work with http handlers? Where can we use them and what are exact scenarios in our requirement?
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May 27, 2010
I have created a dynamic signature for our members in Asp.net 2.0 with VB code behind that they can use as a signature in various message boards using an http handler.This is the first time I have evered used a http handler and I am probably missing a step on how to use it.The direct url to the signature is:
[URL]where the ID is a particular member. This works fine on most message boards and if you copy the link directly in a browser window, but not in other message boards.In order for this signature to work on all message boards, the url syntax would need to be as follows:[URL] or something similar where the URL does not have question marks, equal signs and the file name ends in .png .How can I go about doing this where the link will go to my http handler and overlay text, etc.
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Mar 26, 2011
am new to http handler concept and havent worked on it.What is http handlers and what is use of it??
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Aug 30, 2010
is there any mechanism similar to HTTP Module in classic ASP?
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Jan 11, 2011
I am having an Asp.net Web application in .Net 3.5 Framework, deployed on IIS 6.0. Obviously we have used Http Modules in our application. The problem is that we are having many entries specifying the message "Http Module is getting Initialized" Now, I would like to know when does an Http Module get initialized? I mean is there any specific reason? Also, is there any case of recycling of http module?
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Nov 30, 2010
I use http handler for loading images.
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Apr 6, 2010
I have a HTTP handler that returns a GeoRSS feed (type of XML) when called. This handler is called from a javascript and the returning xml is consumed directly by a Virtual Earth (bing) map control on the same page. I am Encrypting/Decrypting URL parameters but any one can see the source html, copy the url and get access to the xml feed.Since the call is from javascript how can I prevent unauthorized access to the HTTP handler?
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Sep 3, 2010
Server cannot append header after HTTP headers have been sent
[Code]....
[Code]....
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Mar 5, 2010
I am using this root .
[Code]....
It is working absolutely fine with this root folder('myroot'). When we change root foldername to "myroot.net" handler not responding.I have checked it by RouteDebugger and it shows thatRoute: NO MATCH!Matches Current Request: True
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Jul 20, 2010
I am trying to call a webservice that requires me to authenticate and then pass the session id returned from the authenticate method to subsequent web service calls. The session id has to be passed as HTTP request header. So I tried using the following code to add the session id to a HTTP request header:
System.Collections.Specialized.NameValueCollection headers =
HttpContext.Current.Request.Headers;
Type t = headers.GetType();
//get the property
System.Reflection.PropertyInfo p = t.GetProperty("IsReadOnly",System.Reflection.BindingFlags.Instance
| System.Reflection.BindingFlags.IgnoreCase | System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.FlattenHierarchy);
//unset readonly
p.SetValue(headers, false,
null);
//add a header
headers.Add("Cookie",
"SID=" + sessionId );
The header is supposed to be called "Cookie" and the SID contains the session id. The problem is the last line in the code above gives an exception saying "Operation is not supported on this platform". I am running this code on my dev machine with with Windows XP Professional Service Pack 3 and IIS 5.1. I haven't been able to find any solution to this problem after days of searching. I also tried to deploy my web app on IIS directly but had the same error.
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