NRPS Issues

[Chris Filkins]

Good morning fellow Tsugi developers :D  I'm trying to troubleshoot an issue I'm having with NRPS with Canvas.  

In my module, I'm using this simple call:

$nrps = $CONTEXT->loadNamesAndRoles(true);

Looking at the debug data, my dev instance returns an oauth token successfully...

        "Token Url: https:\/\/canvas.instructure.com\/login\/oauth2\/token",

 but for production I'm getting a 500 error response.  Any ideas why Canvas would throw a 500 error for one and not the other?

-Chris

[Chuck Severance]

Chris,

Not an expert on NRPS - but one thing that has been a problem with SakaiPlus talking to Canvas is before and after a course is published.  A lot of stuff breaks before a course is published.  Which is kind of bad because you need to publish to test.

Hope that  helps.

/Chuck

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[Chris Filkins]

Thanks!  

I _think_ I've found the issue - Canvas isn't happy with the JWKS url, at least not anymore (it worked fine during initial testing/review two months ago).  I pulled the first key out of the url and put just the single key into the setup in Canvas, and now it's returning a key.  

-Chris

[Charles Severance]

Interestingly, the Canvas had its own proprietary public key URL format that Tsugi knows about and can produce.  Tsugi also provides a stock JWKS url that literally every LMS on the planet works with.  I wonder if there is a Canvas version thing that is looking for different stuff in its registration process,

/Chuck 

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[Chris Filkins]

What was frustrating is that it worked fine a little while back.  And it works fine against my local instance, but not production.  Prod hasn't been updated in a bit, and I'm not sure if the keys may have changed, but I guess this is also a good impetus to look at pulling my prod instance forward with the updated Tsugi code.  

-Chris