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I know Autodesk Forge "Object Storage Service" (OSS) requires a 2-legged security token... I already use a 3-legged token to access Forge "Project Service" and "Data Service" APIs: is it possible to convert or request a 2-legged token from a 3-legged token? If you try to use a 3-legged token with OSS you get a invalid token error.

I would like to avoid using two different authentication at the same time...

Thanks!

Diego Diego
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Unfortunately token exchange is not possible - I checked the oAuth 2.0 specification, and I don't think the flow you describe is a valid flow anyway. Remember 2 legged is for application credentials, whereas 3 legged is to access a specific user content.

cyrille
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No, a 2-legged token gives you the access to developer's resources. A 3-legged token gives you access to the logged in user's resources. They are not designed to be interchangeable.

Shiya Luo
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