MVC :: Use AuthorizeAttribute Without Forms Authentication
Oct 12, 2010
I'm writing an MVC app that is a front-end for an existing system with it's own authentication process. I want to mimic the behavior of forms authentication with the [Authorize] attribute redirecting to a log-on page, but the logged in status is handled completely by API calls to the backend system. What do I need to do for ASP.NET MVC to recognize a user as "authenticated" if I'm not using the Forms authentication system?
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Jan 28, 2011
What is the most straight forward way to use AuthorizeAttribute and JsonResult together so that when the user is not authorized the application returns a Json error rather than a log in page?The two things I am currently considering are extending AuthorizeAttribute or just making a new attribute that implements IAuthorizationFilter.
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Apr 24, 2010
I have a database where i want to log my user into and for this issue i want to customize the AuthorizeAttribute i am wrong ?? have some easier way to do it ??
public class CustomAuthorizeAttribute : AuthorizeAttribute
{
// the "new" must be used here because we are overriding
// the Roles property on the underlying class
public new Authorization.SiteRoles Roles;
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
if (httpContext == null)
throw new ArgumentNullException("httpContext");
string[] users = Users.Split(',');
if (!httpContext.User.Identity.IsAuthenticated)
return false;
int found = Convert.ToInt32(httpContext.Session["role"]);
return Authorization.CheckRolesCompliance(Roles);
}
}
ERROR: 'CustomAuthorizeAttribute.AuthorizeCore(System.Web.HttpContextBase)': no suitable method found to override
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Nov 26, 2010
I Create my won Authorize Attribute. Thats work great in the controller. How can I use it in the view.
Example : I have a manage user link, If you haven't access to this page, I don't want to show the link.
Here is my Authorize Attribute.
public class UserAuthorizeAttribute : AuthorizeAttribute
{
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
if (httpContext.Session["UserID"] == null)
[Code]....
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Jun 3, 2010
I thought about creating a custom AuthorizeAttribute that will prevent logged in users calling a action ( [UnAuthorized] so to speak)
Tried creating a custom AuthorizeAttribute and override the AuthorizeCore method, but not sure this is the right approach.
(does not work anyhow...get an error telling me "no suitable method found to override")
[Code]....
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May 14, 2010
I'm only a newcomer to ASP.NET MVC and am not sure how to achieve a certain task the "right way".
Essentially, I store the logged in userId in HttpContext.User.Identity and have written an EnhancedAuthorizeAttribute to perform some custom authorization.
In the overriden OnAuthorization method, my domain model hits the database to ensure the current user id can access the passed in routeValue "BatchCode". The prototype is:
ReviewGroup GetReviewGroupFromBatchCode(string batchCode);
It will return null if the user can't access the ReviewGroup and the OnAuthorization then denies access.
Now, I know the decorated action method will only get executed if OnAuthorization passes, but I don't want to hit the database a second time to get the ReviewGroup again.
I am thinking of storing the ReviewGroup in HttpContext.Items["reviewGroup"] and accessing this from the controller at the moment.
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Jan 25, 2011
I'm securing an ASP.NET MVC 2 application, and I have a user who is in the role "Foo".
This is true:
User.IsInRole("Foo")
But yet, when I attempt to lock down a controller action like the following, the user is denied:
[Authorize(Roles = "Foo")]
public ActionResult PrivatePage()
{
return View();
}
If IsInRole reports true, why would the Authorize attribute not allow the user in?
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Aug 19, 2010
I'm using MVC 2 with futures, and I'm trying to hide/show content based on role. Is there a way with ActionFilterAttribute or AuthorizeAttribute if the authentication fails to not show a partial view on a controller all through attributes? Or is all I can
do with those attributes is redirect or throw up an error message? I just need the child action to return nothing basically if it fails the authentication.
I found a way using ActionFilterAttribute, but it's kind of a hack because it still calls the ChildAction on the controller and then I'm setting the result to empty afterwards. I'm looking for it not to call the Action/ChildAction at all if the authentication fails. Is there a way to restrict that call?
public
override
void OnActionExecuted(ActionExecutedContext [code].....
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Feb 25, 2011
I am busy writing my own custom attribute for my action method called MyAuthorizeAttribute, I am still busy writing the code, here is my partial code:
[AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
public class MyAuthorizeAttribute : AuthorizeAttribute
{
public new Role Roles;
public override void OnAuthorization(AuthorizationContext filterContext)
{
base.OnAuthorization(filterContext);
if (Roles != 0) // Did it this way to see what the value of Roles was
return;
// Here I am going to get a list of user roles
// I'm doing my own database calls
filterContext.Result = new HttpUnauthorizedResult();
}
}
Here is my Role enum:
public enum Role
{
Administrator = 1,
SuperAdministrator = 2
}
My action method:
[MyAuthorize(Roles = Role.Administrator|Role.SuperAdministrator)]
public ActionResult Create()
{
return View();
}
The reason why I did not use Roles = "Administrator,SuperAdministrator" was because the roles are hard-coded. I don't want to have a 100 places to change if the role name changes.
Given my method, when it gets to if (Roles != 0) then Roles total value is 3, how would I check to see if these 2 roles is in the list of user roles for a specific user?
Am I doing it correct here? If not how would I otherwise implement this? It doesn't have to be the way that I did it 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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Apr 15, 2010
'm using the AutoCompleteExtender from the AJAX control toolkit on my aspx page - I have it wired up to a WCF service that is returning a string array and everything works happily.
If I change my service definition to include a demand for the caller to be authenticated, like so:
<OperationContract(), PrincipalPermission(SecurityAction.Demand, Authenticated:=True)> _Public Function GetLookupValues(ByVal prefixText As String, ByVal count As Integer, ByVal contextKey As String) As String()
Then the autocomplete extender stops working, and I get an authentication error in the service. The service is set up to use ASPNetCompatibility mode, and I was hoping that the extender would pass the authentication credentials for my logged in user - does anyone know how to make this work?
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Sep 3, 2010
What do I need to do in order to change an application from Forms Authentication to windows authentication?
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Jun 3, 2010
I have developed the authenticated rss feed using the basic http authentication for my site.I also have the admin module for the site which uses the Asp.net Forms Authentication .Both are in the same project.When i turn on the forms authentication module to None in my web.config.My rss feed authentication works fine(the browser pop up the dialog box for the username and password) and upon entering the username and password the rss feed gets displayed.But with forms authentication turn on when i click the rss feed link i am getting redirected to the administrator login page.
If i set my authentication mode to none than the feed works like dream but the admin module do not work as it uses forms authentication.
How can i resolve the conflict for that one.I am using the asp.net mvc filter on my feed contoller to pop up the dialog box for the username and password.
[Code]....
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Sep 15, 2010
I've been asked to convert an asp.net application from forms authentication with roles using the aspnetdb database to use windows authentication instead.
what is required to do this? can I still use the roles defined in the app and stored in aspnetdb?
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Feb 12, 2010
I have an (ASP.NET 3.5) intranet application which has been designed to use forms authentication (along with the default aspnet membership system). I also store additional information about users in another table which shares its primary key with the aspnet_users table.
For users who are part of our domain I store their domain account name in the secondary users table, and I want to automatically log in users whose domain account name matches a name stored in the table.
I have read the guides which are available - they're all from two years ago or more and assume that you are able to activate Windows Authentication on a separate login page that allows you to extract the domain account name. From what I can tell, though, this is not possible in IIS7 (the overall authentication method is applied on all pages and cannot be selectively deactivated, and both authentication methods can't be applied on the same page).
Is there a way of getting IIS to pass through the windows domain account name of the requesting user? I don't need proper AD authentication, just the domain name.
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Aug 19, 2010
We have a non-SSL ASP.NET web app that allows a user to login (ASP forms authentication, inproc).
Once authenticated, we redirect their browser to an external, SSL secured page on another web site / domain altogether that we do not control.
The client is redirected back to a pre-configured url on our original http web app when done.
However, the customer is then asked to "re-login" again on our side which is undesired...
It seems the forms authentication cookie is destroyed when transitioning between HTTP and HTTPS and back again.
How can I keep the forms authentication cookie alive so that the customer does not have to re-authenticate on the round trip?
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Feb 16, 2011
I'm developing an internal booking sytem. Users log in to the sytem and can view existing bookings and search for bookings. They can also create new or edit existing bookings. When completing such actions I need a confirmation prior to completing the booking or updating the recorded. The confirmation is based on a reauthentication of the user.... in otherwords he needs to enter his passord again.
How can I achieve this? The system is internam and I'm using Forms Authentication. I an also using roles as som of the admin forms can only be viewed by administrators.
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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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Mar 10, 2010
I set authentication mode to Windows in the web.config and I enable Windows Authentication and disable the Anonymous Authentication in IIS 7 on win 7, but HttpContext.Current.User is always null.It works fine when I host the web app in IIS 6.0.
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Feb 8, 2011
I have a database which has form authentication tables for an website [let say website A], now I have attached a new website [Website B] to the same database, in this website [Website B] also I have to provide login/authentication which would be separate from the website A authentication system. So I want to have separate table for the users of new website. Specification:
[code]....
will there be any open source membership provider like we have .NET membership provider [form authentication].
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Aug 9, 2010
I have a web farm web project, and want to make sure windows authentication is working well without any problem in web farm, can any one give me some web sites or information about that?
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Feb 8, 2010
Am going to develop authentication part in the web site. I want my authentication module should not be hacked by any one and also want in secure side.
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Sep 2, 2010
I needed information regarding the capabilities & integration of AzMan tool with Asp.net.Currently, I got a Sharepoint 2007 website along with ASP.NET 2008 where I am using Form Based Authenication.Now, the requirement is any user within a domain registered in AD should be able to login in website through intranet.
Can I acheive this using AzMan, or I need to create two websites one with FBA for internet users and the other one for the intranet users with AD authenication. Also my intenet website is deployed and in use where usermapping and roles are already created, so using this tool what will be the impact on existing webiste.
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