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Lemmy.world Support

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Server side bug with lemmy.world and intermitent authentication. (lemmy.ml)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

85 comments fedilink hide all child comments

I am currently getting signed out every minute from lemmy.world. This is not a client side cache issue. I tested making API calls from the command line (with curl) with no cache and the issue still occurs. One call I get the correct response, the next I get a 400 telling me im not signed in.

I'm primarily testing with the https://lemmy.world/api/v3/user/unread_count api endpoint. I'm not sure if this issue occurs with all endpoints.

Reproduction steps:

Get a lemmy.world JWT token for your account using your desired method (eg. postman).
curl https://lemmy.world/api/v3/user/unread_count?auth={JWT_TOKEN_HERE}
Note the 400 error. If you do not get an error repeat step 2.

Edit

This issue only seems to affect lemmy.world so a temporary workaround is to use a different instance for the time being.

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[–] [email protected] 11 points 1 year ago* (last edited 1 year ago) (3 children)

From my tests, it's almost perfectly a 50/50 whether any API requests you make will yield a 200 (success) or a 400 (not signed in). If you perform an action that takes 3 API requests, your chances of succeeding is (1/2)^3 or 1/8 because only 1 request needs to fail in the chain for the entire action to fail. So, as long as you make single API actions you can maximize your success rate :D

[–] [email protected] 5 points 1 year ago

Seems like spamming actions also gets it to work eventually. It's a pain in the arse though lol. I made some alt accounts on other instances, but I'm lazy and don't wanna rebuild my subscription feed if I don't have to, so hopefully it gets fixed at some point.

[–] [email protected] 5 points 1 year ago (1 children)

What's an example of something that would take more than one API request?

[–] [email protected] 4 points 1 year ago

Signing in. Most websites/apps will probably also grab your unread count, and maybe even your subscription feeds.

Another example is checking your inbox. Lemmy actually has 3 inboxes: mentions, replies and PMs. A lot of websites/apps bundle these three so they will need to check all 3 inboxes via 3 API calls.

[–] [email protected] 5 points 1 year ago

Smells like two instances behind the load balancer, one is fine with the JWT, one is not.