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#OAuth2

3

Articles and Questions regarding OAuth2 Authentication.

In this 3-part series of articles, is shown how you can use IAM to simply add security, according to OAuth 2.0 standards, to a previously unauthenticated service deployed in IRIS.

In the first part, was provided some OAuth 2.0 background together with some IRIS and IAM initial definitions and configurations in order to facilitate the understanding of the whole process of securing your services.

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Introduction

Nowadays, there is a lot of applications that are using Open Authorization framework (OAuth) to access resources from all kinds of services in a secure, reliable and efficient manner. InterSystems IRIS is already compatible with OAuth 2.0 framework, in fact, there is a great article in the community regarding OAuth 2.0 and InterSystems IRIS in the following link here.

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How can you allow computers to trust one another in your absence while maintaining security and privacy?

“A Dry Martini”, he said. “One. In a deep champagne goblet.”
“Oui, monsieur.”
“Just a moment. Three measures of Gordons, one of vodka, half a measure of Kina Lillet. Shake it very well until it’s ice-cold, then add a large thin slice of lemon peel. Got it?”
"Certainly, monsieur." The barman seemed pleased with the idea.
Casino Royale, Ian Fleming, 1953


OAuth helps to separate services with user credentials from “working” databases, both physically and geographically. It thereby strengthens the protection of identification data and, if necessary, helps you comply with the requirements of countries' data protection laws.

With OAuth, you can provide the user with the ability to work safely from multiple devices at once, while "exposing" personal data to various services and applications as little as possible. You can also avoid taking on "excess" data about users of your services (i.e. you can process data in a depersonalized form).

Open Exchange app
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In .NET Core you have an option to extend a session using a "sliding expiration". This means that if over half the time has passed and the user actively uses their session then the expiry timer gets reset and the user remains logged in. This can lead to the curious situation where you have an active authenticated user with an expired access token being used in data-access requests.

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OAuth server to be deployed on the IRIS learning cloud platform. Clients - one on the other instance of the learning IRIS server, the other client locally on my computer in the container docker.

Both clients get a seemingly correct link (through ##class(%SYS.OAuth2.Authorization).GetAuthorizationCodeEndpoint()) to the login request form:

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I have an OAuth 2.0 development environment where Caché is serving all three roles as the Authorization Server, Client and Resource Server based on a great 3-part series on OAuth 2.0 by @Daniel Kutac. I have a simple password grant type where an x-www-form-urlencoded body (as described in this post) is sent as a POST to the token endpoint at https://localhost:57773/oauth2/token and a response body with a HTTP Response 200 header is returned. The response body looks something like this.

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Hi,

Most of my development experience is with HL7v2 interfaces and I don't have a background in web development and I'm very weak with javascript.

I'm looking for suggestions of learning resources to learn FHIR and 'SMART on FHIR' (JavaScript, OpenID connect, OAuth2) for developers like myself who mostly do HL7v2 integrations - but see FHIR as the future - and want to develop their skills!

I've found these

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I'm using Caché as an OAuth authorization server and I want to accept the password credentials grant type. I've found that if I make an authorize request, the Caché authorization server requires some URL parameters that shouldn't be required in password grant (redirect_uri, state, scope, and response_type). If I include these parameters, it calls my DirectLogin() method instead of just calling ValidateUser() as I would expect from the docs. I have two questions:

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Hi.. I have an issue where we are using OAuth2.0 with the ZAUTHENTICATE routine. Once our token is validated we are using a users lan id (passed on the ID token) to find a software defined username in a Cache Global.

That is all working fine in ZAUTHENTICATE.. I am setting the software defined username in the Properties("Comment") array and wanting to reference it in the Rest Service Dispatch class.

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Question
Soufiane Amroun · Jan 15, 2018
Access token storage

Hi community ,

i work actually on the access token generation method , i want know where the generated access token are saved ?

My [OAuth2.AccessToken] tabe is empty , it's logical?

thank's for helping .

Best regards

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Question
Soufiane Amroun · Dec 5, 2017
Client description Oauth2

Hi community ,

i come back to you , i've a problem with Client description in Oauth2, when i tick the Supported grant types and i save , there are not registred on the OAuth2_Client.Metadata table .

can you tell me where is the problem please.

you will find attached a screenshot.

thank's

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As many of you, our partners, are more widely using modern UI frameworks to create client front-end, you may have encountered a question, "So how do I secure my data when I just finished developing all new fancy browser based client experience?"

The answer is easy. Use a standard, proven OAuth2 and OpenID!

"OK, but how can I do it? I have never done it before."

No problem, just have a look here, if your client is Angular (not AngularJS) based, there is a demo project available for you to review and get inspired!

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Question
Soufiane Amroun · Oct 30, 2017
Oauth 2.0 framework

Hi Team

i want to implement an Oauth 2.0 framework in my application , i define my connexion IHM, i want to check if the login and password are right when a user connect

do you've any idea ?

thank's

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Hi,

I am a beginner on intersystems technologies ! and i want implements Oauth2 for our projects ( Angular 2 + Caché REST Backend).

i read the article that the link is below :

https://community.intersystems.com/post/cach%C3%A9-open-authorization-framework-oauth-20-implementation-part-1

But : i need to create all servers ( Auth and Resource ) on Caché and dont' to use google server.

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Unless I'm mistaken, 2017.1 doesn't appear to support RFC 7523 (JSON Web Token Profile for OAuth 2.0 Client Authentication and Authorization Grants). Is that coming in 2017.2?

In order to support it in 2017.1, I'd have to override the OAuth 2.0 token endpoint to cater for the additional grant types - what's the best way to do this?

Thanks.

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Created by Daniel Kutac, Sales Engineer, InterSystems

Part 3. Appendix

InterSystems IRIS OAUTH classes explained

In the previous part of our series we have learned about configuring InterSystems IRIS to act as an OAUTH client as well as authorization and authentication server (by means of OpenID Connect). In this final part of our series we are going to describe classes implementing InterSystems IRIS OAuth 2.0 framework. We will also discuss use cases for selected methods of API classes.

The API classes implementing OAuth 2.0 can be separated into three different groups according to their purpose. All classes are implemented in %SYS namespace. Some of them are public (via % package), some not and should not be called by developers directly.

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I am using OAuth2 Cache framework, acting as a client to an authorization server. My setup is based on this excellent previous post [Caché Open Authorization Framework (OAuth 2.0) implementation – part 1].

I'm facing ‘Authorization Server Error: Error Processing Response - No match between server name 'googleapis.com' and SSL certificate values google.com…’

It looks like I should set SSLCheckServerIdentity to false but I can’t figure out how. Has anyone had the same issue?

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Is this available anywhere (for Health Connect)? I've found a few presentations but they are aimed at entry level.

We're looking at supporting more and more FHIR, REST plus OAuth interfaces in future. I've built some of this into older versions of HealthShare and Ensemble but it's desirable to move to supported versions.

We would be using Healthshare as a facade to other systems.

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Created by Daniel Kutac, Sales Engineer, InterSystems

Warning: if you get confused by URLs used: the original series used screens from machine called dk-gs2016. The new screenshots are taken from a different machine. You can safely treat url WIN-U9J96QBJSAG as if it was dk-gs2016.

Part 2. Authorization server, OpenID Connect server

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Question
Rich Taylor · Jun 15, 2016
Oauth 1.0 library

I am in need of a routine or class method to generate an Oauth 1.0 signature. I was about to code this myself, but thought to check first to see if anyone has already done this and is willing to share.

Thanks in advance for any help.

[UPDATE 06/28/2016]

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Presenter: Dan Kutac
Task: Use a common login identity and a central mechanism of authentication across environments from multiple entities
Approach: Provide examples and code samples of an application environment using OpenID Connect and OAuth 2.0

Description: In this session we will demonstrate an application environment using OpenID Connect and OAuth 2.0. Hear how this is done and what options you have; and yes, you get to keep the code.

Problem: How to use a a common login identity (e.g. Facebook credentials) and a central mechanism of authorization cross environments from multiple entities.

Solution: Create awareness and interest in using OAuth 2.0

Content related to this session, including slides, video and additional learning content can be found here.

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