OAuth2.0 in webapi
Aim is to implement Web APIs authenticated by an OAuth 2.0 client in appian.
1.I have created a sample WebAPI.
I have created a OAuth credentials from adminconsole. AdminConsole->Web API Authentication->OAuthclients2.0
If i try to access the webapi from browser it is accessible without authorisation. How to integrate this OAuth with my API. is there any attribute needs to be added in appian webapi.?
Kindly help.
How to apply oauth authentication with appian webapi?
all you need to do is add the service account on which you created the Oauth credentials to the application groups in appian application designer
Related
I have created a Web API using .net core 5. I have secured the app using the Microsoft Identity platform. Clients app are able to get to the resource based on their scope/role. So I know that my api is secure.
Now, I need to add the API to Azure API Management tool.
So my question is should I enable OAuth from the Azure API Management to secure my web api even though my app is already secured?. What would be the reason that I enable OAuth from API management?
APIM is a proxy to the backend APIs and implementing security mechanisms to give an extra layer of security to prevent unauthorized access to APIs is a recommended practice.
Configuring OAuth 2.0 Server in APIM merely enables the Developer Portal’s test console as APIM’s client to acquire a token from Azure Active Directory. In the real world, customer will have a different client app that will need to be configured in AAD to get a valid OAuth token that APIM can validate.
OAuth is an authorization framework which allows a recognized client to acquire an access token from an authorization server.
As given in this Microsoft Doc, the Microsoft Identity Platform uses the OAuth 2.0 protocol for handling authorization.
Please find below references makes you how OAuth secures the Web APIs/Services:
OAuth 2.0 and Azure API Management
How does OAuth secure Rest API calls
Protect APIs using OAuth 2.0 in APIM
I am trying to call an API (API2) from another API (API1) with the help of client credentials flow. Is it possible to grant access to only some parts of API2?
To give some context, When making call from API1 to API2, I am currently using a service account that decides what parts of API2 are allowed access. The service account is created and configured (with roles) in API2 and shared with API1 ahead.
I am trying to achieve this same with oAuth's client credential flow but I could not find any information on restricted access inside API. I believe ApiScopes won't work in this case.
Could you let me know if restricted API access is possible in client credentials flow? or can this be achieved in any other flow?
Regards,
Siva
Yes, you can use the built in authorization system in ASP.NET Core to control access based on the claims inside the received access token. what AddJwtBearer do is to convert your access token (once authenticated) into a ClaimsPrincipalUser object.
See these links for details:
Policy-based authorization in ASP.NET Core
Claims-based authorization in ASP.NET Core
Alternatively, we can define a new Application Role for the API2. This role will have access to selected parts of the API2. Then we can add this role to the Client_id you are using in Client Credentials flow.
We have an existing MVC angular application enabled with ADFS WS-Fed authentication. The application has many API's hosted as a part of the solution which is internally accessed by views. Now, We have a requirement for the API to be published to other developers.
I am thinking of enabling OAuth/OpenId for the endpoints and enable other developers to access. I need your inputs regarding my approach.
There is no support in ADFS 2.0 for OpenID Connect and OAuth.
The only API option you have is via WCF.
I know that IdentityServer3 provides the whole stack of implementing OAuth 2.0, OpenId Conect etc. I don't know if I should use IdentityServer3. Because I have my own login server which authenticates the user using a membership provider which is already available. Can I integrate my already available login mechanism with IdentityServer3 and implement OAuth 2.0?
Any suggestion will be highly appreciated.
Moving the membership part to identityserver is easy. If you want to keep the whole "login experience" just the same but use idsrv for protocol support - this is more work.
You can move your login app into idsrv and use the partial login concept. This requires your existing login page to interact with the idsrv OWIN extension methods.
Another option is to encapsulate your login app as Katana authentication middleware and plug it into idsrv as an external provider.
I am writing an ASP.Net WebApi application and I want to secure it using a combination of Custom Login (like ASP.NET Membership) and Social Logins (Google,Facebook,Twitter,LinkedIn and hopefully many more). User should be able to select any of them.
My client is pure HTML/JS SPA application and for that i will need to implement Implict grant flow of OAuth.
The options i see right now are
Use Thinktecture's Identity Server and Authorization Server.
Use DotNetOpenAuth library.
Can anyone point me in the right direction ? Which one of the above options can work for me?
Thanks
Why not follow the same pattern in MVC 5 SPA template, which already did exactly what you want to do:
It uses resource owner password login flow with ASP.NET Identity API
Support Social Login (Google, Facebook, Twitter, Microsoft Account)
Its client uses knockout and pure html/js
It uses implicit grant flow to convert social login to application access token
The template uses OWIN security middlewares, which can support:
Cookie auth
Bearer token auth
Social login auth
OAuth 2.0 Authorization Server flows and extension grant, which you can customize your own
You may need my blog to better understand the whole security story in the SPA template.