Webapi protecting with certificate authentication - asp.net

I have web api application which is deployed in azure app service and hybrid mobile consuming those services.Now I want to implement authentication using certificate.Can anyone help me how to do this.

As far as I known, to set up your web app to require client certificates, you need to add the clientCertEnabled site setting for your web app and set it to true. For more details, please refer to the document.

Related

Can't get domain user inside API - (AngularJs + ASP.NET Framework with Windows authentication)

I have this legacy intranet app using an AngularJS SPA consuming an an ASP.NET Web API (on .NET 4.6.1) and I can't manage to get the user authenticated on the domain inside the API, when calls are made by AngularJs.
Inside the API I have situations where I need to get the domain authenticated user. I have tried several combinations inside IIS to set both the AngularJS app and the API with Windows authentication, Impersonation, Authorization Rules. I've read several questions in Stackoverflow and other forums and also searched through several articles but I can't manage to find a solution, I'm feeling helpless in this one.
When I make a direct call to the API using a tool like Postman or through Swagger, System.Web.HttpContext.Current.Request.LogonUserIdentity.Name shows the correct authenticated user.
When I make the very same call to the API but through the client, like loading a page that requests data from the API, the user shown in LogonUserIdentity, is the one set on the app pool.
The authentication between the client and the API uses bearer token.
Here's my current scenario:
IIS:
Windows authentication enabled for both the client and the API, Impersonation enabled for both the client and the API
Authorization rules for ASP.NET and IIS set with allow all users for both Client and API
Session state in-proc, using cookies and with UseHostingIdentity set to false on both Client and API
Both the client and the API are using the same AppPool, with integrated Pipeline, .NET CLR v4.0,
If there's more info to supply please let me know, I'll update the question with the required info.

Azure Mobile Services Authentication, ..Identity.IsAuthenticated always false

We are developing an azure mobile services application and are having some difficulty with authentication.
The X-ZUMO-AUTH and X-ZUMO-APPLICATION HTTP headers are being sent from the client to the server correctly, yet on the server HttpContext.Current.User.Identity.IsAuthenticated remains false.
The server is a MVC/Web API ASP.NET application.
Is there some sort of configuration we could be missing to get this working?
Undoubtedly you are missing something. I hope you mean Azure Mobile Apps (and not Azure Mobile Services).
You need to integrate the Azure Mobile Apps SDK on the server side, and turn on and configure Azure App Service Authentication & Authorization. In addition, if it's a straight MVC app, you will need to add the OWin initializer to your Startup.cs file.
Check out Chapter 6 of http://aka.ms/zumobook

How to make Secure service to service calls between ASP.Net website and agent

I have a ASP.Net WebAPI service that is used by my AngularJS front end and I am making use of Owin and bearer token.
Now there is a need that we need to install an agent on the few of the client machines (developed in .Net core mostly) that is able to connect to our application and make similar calls. I can create a separate controller for this need, but want to host it in the same website.
How can I create a secure connection between this agent and the ASP.Net server hosted on Azure?
Currently I am looking at generating a Token during the agent installation based on the client MAC address and giving it with each call, but I am checking if there are any better way to address this need.
Any help in this direction is welcome.
Regards
Kiran
It seems that you’d like to enable only valid “agents” that installed on the client machines to communicate with your server, if that is the case, Azure AD provides Native Application to Web API authentication scenario (a native application that runs on a phone, tablet, or PC needs to authenticate a user to get resources from a web API that is secured by Azure AD), you could refer to it.

What is the recomended method for adding Authorization/Authentication to an MVC application that uses Web API

In most cases, I have used AD to lock down applications through IIS. In this case, I need to create an MVC Application that will have some Web API controllers and authentication/and authorization (roles). I was looking to try to use a stack overflow suggestion that I have found to several other posts.
https://identityserver.github.io/Documentation/docs/overview/mvcGettingStarted.html
Most of the answers that I have seen in Stack Overflow reference the above link
ex). Implementing Authentication and role based authorization in ASP.NET MVC web API service and MVC client architecture
The question that I have for the community that has experience with adding Authentication/Authorization to a combined Web Api/MVC project is if the identity server approach listed above is the best solution for this scenario and if there are other resources that I should look at also?
From your requirements (authenticate to use an MVC site and then be authorized to use a Web API) you'll need an OpenID Connect Provider such as Identity Server 3 (aka a Security Token Service (STS), an Authorization Server, etc). Basically something trusted by both the MVC site and the Web API.
The basic flow of things here is that your users will authenticate using OpenID Connect on your MVC site, after which they can get an access token to authorize access to the Web API using OAuth.
The mentioned tutorial is the best way to start. Near the end it takes you through how to access the API on behalf of the user.
ASP.NET Identity is a user/identity store. It is not add authentication or authorization to your application.

Using a Web API Service as Central Authentication Point

I'm very new to the identity management world, so please spare me. :)
What I would like to do, is to have multiple client (MVC) applications that talk to a single Web API application to authenticate their users against. In that Web API application, I would like to use ASP.NET Identity to talk to a database with users.
That way, I could use SSO for the client applications (I guess).
Does that make sense? Could someone help me on my way to implement this (links are also welcome of course)?
I don't know if IdentityServer could help me with what I want?
And as a side question: when I could implement this the way I would like to, how do I deal with the same-origin policy?
Thank you for all the help. :)
I did some research myself during the last few months and I learnt a lot about the identity management stuff. Many of that also thanks to the guys from IdentityServer (and their other projects).
What I finally did was the following (very briefly):
IdentityServer is used as a provider for all client applications. The cookie and OIDC middleware are used.
I used the ASP.NET Identity user service to store the users in an SQL Server database. (The IdentityServer configuration is by the way also stored in a database.)
I set up a Web API service that uses the ASP.NET Identity user manager for user configuration (change password, create new users, ...). It uses bearer authentication with the application with IdentityServer as provider.
As a side note, IdentityManager is used as an internal admin tool to manage all the users.
If anyone is looking for some help setting up his / her identity management system (and thinks I can help): please ask. ;)
Many articles on active profile e.g. Federated Security: How to setup and call a WCF service secured by ADFS 2.0. But that article assumes you want to use AD?
I'm guessing you want to use ASP.NET Identity for the provisioning?
IdentityServer OOTB supports a SQL DB and has basic user provisioning built in. It allows users to authenticate against the DB and supports WIF.
This scenario is also close to what you need, take a look at the answers:
How to implement an OWIN Authentication server with a MVC Web Api content server and an Android end-user apk
I also recommend reading this article:
Decouple OWIN Authorization Server from Resource Server

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