Microsoft Graph API Logic App Authentication - microsoft-graph-api

I am having a difficult time getting a Microsoft Graph API call to work. Specifically, I am having a hard time with the authentication process working. I followed the directions in this article
http://martink.me/articles/using-microsoft-graph-in-logic-apps
However, when I make the api call of https://graph.microsoft.com/v1.0/me/messages/{id}, I get the error:
Current authenticated context is not valid for this request. This occurs when a request is made to an endpoint that requires user sign-in. For example, /me requires a signed-in user. Acquire a token on behalf of a user to make requests to these endpoints. Use the OAuth 2.0 authorization code flow for mobile and native apps and the OAuth 2.0 implicit flow for single-page web apps.
I then added an oAuth token call to get a token. Then I used that token in the Authorization header when making the Microsoft Graph Api call. I still get the same error.
Can anyone provide guidance on how best to make an Graph Api call in LogicApps? Do I only need the authentication discussed in the article? Or, do I need to call the Graph Api with an Authorization token? Do I need to make an oAuth authorization call before I make the oAuth token call?

This exception is caused by the token acquired using the client credentials flow. In this flow, there is no context for /Me.
This type of grant is commonly used for server-to-server interactions that must run in the background, without immediate interaction with a user(no user logged in).
For your problem, you are using client credential flow and you are granting application permissions, so you should request /users.
GET https://graph.microsoft.com/v1.0/users/{id | userPrincipalName}/messages/{id}

Related

Fetch authorization code or refresh token for our API server

I'm having an Angular application that performs user authentication via Microsoft account. For this, I'm using the MSAL JS library which does work fine to authenticate the user. But we have the requirement where our backend server requires to call Microsoft Graph APIs. Now the issue is that the MSAL library returns access_token which has got a life span of 1 hour and so it can not be used once it is expired from our backend server.
So I'm looking for a way where I can get an authorization code, which can be exchanged from our back end server to get the access token and refresh token. And as we've got the refresh token as well, we can refresh the access token whenever it gets expired considering a refresh token is still valid.
I'm not sure if this is possible via the MSAL library or not, or if there is any other alternative available for SPA to support the case, I've described above.
It is possible with MSAL.js 2.0 which is a drop-in replacement for MSAL.js 1.x and supports the authorization code flow for Single page applications. With MSAL.js 2.0 you can use the authorization flow with PKCE and refresh tokens in the Microsoft identity platform to keep users signed in while third-party cookies are blocked.
Read more here:
https://learn.microsoft.com/en-us/azure/active-directory/develop/tutorial-v2-javascript-auth-code
https://learn.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-implicit-grant-flow
https://learn.microsoft.com/en-us/azure/active-directory/develop/reference-third-party-cookies-spas

What OAuth2.0 flow to use to secure my Rest API?

I have a Rest API that is used by different clients:
Browser, when using swagger
Postman, when calling API
Curl
Other HttpClients, jvm, Python and such.
I want all clients to get authenticated with Azure AD. So each of them has to have an email, authenticate itself in front of Azure AD and then pass some token to my Rest API, on the backend I will validate the token. I really don't understand which flow to use. The one that is closest to my scenario seems to be Credentials Flow but I still don't understand how it fits in.
This picture is what I am trying to achieve:
The OAuth 2.0 On-Behalf-Of flow (OBO) serves the use case where an application invokes a service/web API, which in turn needs to call another service/web API. The idea is to propagate the delegated user identity and permissions through the request chain. For the middle-tier service to make authenticated requests to the downstream service, it needs to secure an access token from the Microsoft identity platform, on behalf of the user.
Based on your scenario it is recommended to use On-Behalf-Of flow (OBO).

Need help Implementing OpenID connect/ OAuth2 flow using React-native, Spring Rest Api and ADFS 4.0

I have really hard time trying to understand mostly how should I implement my authorization flow. I think I have the authentication flow mostly correctly implemented using the technologies I've listed in the title. Here's what I want to achieve:
Basically I have a mobile app built using React-Native and I have made a restful API for this mobile app to use. I am currently at the point that I have implemented authentication using ADFS 4.0. My mobile app directly uses the ADFS endpoints to authenticate the user and I am able to receive the id_token and access token correctly from there. But here comes the part that I have no clue what to do next. Before I used openID, I had my own authentication and just an OAuth2 flow in my Spring REST Api and everytime I made a request from the mobile app to the API, I provided the access token in the headers, and used it to verify from the authorization server that the user is indeed authenticated and also received some crucial information about the user to use in my API. But now since I use OpenID-Connect and ADFS 4.0 for the authentication, I have the cruicial information I need in my API in the id_token. The question is, what exactly should i send to my API now from the mobile app, the id_token, access token or both? Given the access token to the userinfo endpoint at the ADFS returns the subject of the owner of the token. Like is there any way I could receive the users info using the subject or what exactly should I do. I've tried to research this subject a lot, but I am still very confused..
Send the access token to the API in the Bearer header. In the API, validate the token and, if required, do user info lookup. A Spring example of mine here if it helps.
Happy to answer any follow on questions ..

3-legs in OAuth 2.0

I'm making a program uses Youtube API for testing purpose.
Because my program is an installed-application, I've found a picture pointing out how to implement authentication.
It's what I have:
Immediately, I'm confused. According to this figure, I don't know why Google Servers just returns Authorization code after User login and consent.
Why doesn't Google Servers return Token instantly?
You are Confused because, I guess, you have missed 3rd leg "User". Authorization code represents the User Consent.
Google server returns Authorization code when User grants the permission to your app to get his/her data from google server(resource server). if user denies the permission Google server wont generate the Authorization code and your app wont be able to get access token.
Another use of Authorization_code is to keep resource owners credentials secret. Authorization code is shared with client and client exchanged that code for access_token.
Find more Information about Oauth 2.0 in this article.

Is it possible to authenticate server to server with Google Calendar API?

So I read the following on the Authorizing Requests to the Google Calendar API page written by Google folks.
Your application must use OAuth 2.0 to authorize requests. No other authorization protocols are supported. If your application uses Google Sign-In, some aspects of authorization are handled for you.
My knowledge of OAuth 2.0 is limited so I'm not sure if that means that I cannot get a one-time auth token for a user?
I'm building an app that will need to CRUD events for a user in the background based on other stuff. So I can't have the user authenticate over and over again. Is there a way around here?
If not, is there an Google Calendar alternative that has a dependable API that I could use?
When the user authenticates your application you are given an Access token (good for one hour) and a refresh token. You should save the refresh token, when ever you need to access the users data you can take the refresh token and ask Google to give you a new access token. It is the access token which gives you access to there account.
I wrote a tutorial that tries to explain Oauth2 how to set it up and how it works. Google Developer console Oauth2

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