Can I require a Discourse login to view things on a different site?

[Teeigeryuh (Daniel)]

Imagine i have ths

site.com/stuff
discourse.site.com

How can i make it so in orfder for someone to view the content inside “/stuff” be logged in?

[DeanMarkTaylor (Dean Taylor)]

There are two types of Discourse SSO (Single Sign On), you want the one where Discourse is the provider:

Use Discourse as an identity provider (SSO, DiscourseConnect)

So you want to use Discourse as an identity provider for your own web app? Great! Let’s get started. Enable DiscourseConnect provider setting Under Discourse admin site settings (/admin/site_settings) enable setting enable discourse connect provider and add a secret string to discourse connect provider secrets (used to hash SSO payloads). Implement DiscourseConnect in your web app: Generate a random nonce. Let’s call this value NONCE. Save it temporarily so that you can verify it with the …

[Tom_Newsom]

Does this also work when users authenticate using a third party eg google or facebook?

[sam (Sam Saffron)]

See also

https://github.com/discourse/discourse-auth-proxy

We use it extensively and allows very seamless integration even with sites that do not implement auth properly.

Other option is SSO as @DeanMarkTaylor pointed out. (technically auth proxy uses SSO its just much easier to configure in certain cases)