How do I check that an OAuth 2.0 client can connect to AM/OpenAM (All versions)?
The purpose of this article is to provide information on checking that an OAuth 2.0 client or OIDC client can connect to AM/OpenAM. The results of the connectivity check serves various purposes, including: validating credentials are correct and verifying the client can authenticate to AM/OpenAM for determining access.
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Checking that an OAuth 2.0 client can connect
Note
For the OAuth 2.0 client to be able to authenticate, agent must be listed as an Identity Type (Realms > [Realm Name] > Authentication > Settings > General > Identity Types). It is included by default, but if it missing, you will see the following response: { "code": 401, "reason": "Unauthorized", "message": "User Requires Profile to Login" } and should re-add it.
The following check validates the client credentials to prove that the client can connect to AM/OpenAM but does not create a session, this is done by simply validating the OAuth2 client and client secret. This method may be preferable to the alternative for testing, which involves generating an rest-api-oauth2-token-admin-endpoint › OAuth 2.0 Guide and then revoking it.
You can validate the client credentials using a REST call similar to this:
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AM 5 and later:
$ curl -X POST -H "X-OpenAM-Username: myOAuth2Client" -H "X-OpenAM-Password: clientPassword" -H "Content-Type: application/json" -H "Accept-API-Version: resource=2.1" http://host1.example.com:8080/openam/json/realms/root/authenticate?realm=/&noSession=true&authIndexType=module&authIndexValue=Application
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Pre-AM 5:
$ curl -X POST -H "X-OpenAM-Username: myOAuth2Client" -H "X-OpenAM-Password: clientPassword" -H "Content-Type: application/json" http://host1.example.com:8080/openam/json/authenticate?realm=/&noSession=true&authIndexType=module&authIndexValue=Application
A successful response will look similar to this, where a session token is not created because of the noSession parameter:
{"message":"Authentication Successful","successUrl":"/openam/console","realm":"/"Whereas an unsuccessful response is similar to this:
{"code":401,"reason":"Unauthorized","message":"Authentication Failed"}See Also
How do I check if AM/OpenAM (All versions) is up and running?
How do I check that an Agent (All versions) can connect to AM/OpenAM?
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