Question

Which differences between OAuth2 methods for Connected System?

Forum|Forum|3 years ago
November 29, 2022
12 replies
0 views

Hi,

We are going to use OAuth2 for a customer and reading the Appian doc, I can see this :

- "OAuth 2.0: Client Credentials Grant" : is used when access is being requested on behalf of an application,

- "OAuth 2.0: Authorization Code Grant" : is used when access is being requested on behalf of a user,

- "OAuth 2.0: SAML Assertion flow" : used with SAML...

Could you explain me the main differences between each of them please ? (with possibly examples [emoticon:0f36700dfeb3494fa10d47dd9e1f90a1])

Regards

stefanhelzle0001

Brainy

The documentation explains that pretty well. Do you have any concrete question?

What does "We are going to use OAuth2 for a customer" mean?

C

cedricj425261Author

I think if I ask you the question, it is probably the documentation does not light me sufficiently. [emoticon:db2e98b6d4d6460c8802c63379d79040]

One of my concrete question would be :

If the remote system needs access from a user, I will use "Authorization Code Grant",
If it needs access from an application, I will use "Client Credentials Grant",
Lastly if it needs SAML, I use the third one?

or this as simple as this, or is there any other major aspects to take in consideration?

stefanhelzle0001

Brainy

The "Code Grant" requires the user to log in to that other system as a separate action. Appian will then use the user's credentials to call the other system.

https://docs.appian.com/suite/help/22.4/authorization_link_component.html

The "Credentials Grant" store a single set of credentials of a service user account and uses that.

SAML is specific to browser based single-sign-on and cannot be used for API calls.

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