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Failed to fetch the page (discuss.tchncs.de)
submitted 5 months ago* (last edited 5 months ago) by maki@discuss.tchncs.de to c/photon@lemdro.id
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I have an issue with proton. I hosted the software on my own homeserver with portainer.

Often it comes the failure "TypeError: NetworkError when attempting to fetch resource."

when i try to upload images

or

when I try to post something

in photon. It doesnt work in Firefox (Mac) or Safari (iOS, MacOS).

The instance is not the problem. It works with voyager.

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[-] andrew_s@piefed.social 4 points 5 months ago

This is for other frontends, but I remember reading something about image uploads not working when you're self-hosting due an issue with CORS. I don't know what CORS is, really, so can't expand on it. It may be that you need to upload the image to a filehost like postimages.org and link to the inline version of that instead.

[-] ptz@dubvee.org 3 points 5 months ago* (last edited 5 months ago)

That should be fixed somewhere in 0.19.x (not sure which version; maybe 0.19.0?)

[-] maki@discuss.tchncs.de 1 points 5 months ago

I use 0.19.3

[-] maki@discuss.tchncs.de 2 points 5 months ago

Thank you for your answer. But there is also the problem that the communities doesn’t load.

[-] ptz@dubvee.org 4 points 5 months ago

Do you have it running under HTTPS? Since all of the API calls are HTTPS, you'll need to run it either under localhost or through a reverse proxy with SSL enabled.

Also, did you set PUBLIC_INSTANCE_URL environment variable to the domain of your home instance?

e.g. PUBLIC_INSTANCE_URL=discuss.tchncs.de

If you open your browser console, it should show some errors to indicate the problem.

[-] maki@discuss.tchncs.de 3 points 5 months ago

On my Homeserver runs an NGINX Proxy Manager. There is HTTPS activated. The proxy use HTTP to connect to the local Docker Container.

Internet --> NGINX Proxy Manager --> local Docker Container

The Instance discuss.tchncs.de is not mine, but I have set the enviroment "PUBLIC_INSTANCE_URL=discuss.tchncs.de".

The errors are paste here

[-] ptz@dubvee.org 2 points 5 months ago* (last edited 5 months ago)

Errors are definitely indicating CORS is the issue. Specifically, that the Access-Control-Allow-Origin header is missing:

Grund: CORS-Kopfzeile 'Access-Control-Allow-Origin' fehlt). Statuscode: 503.

Are you perhaps (accidentally) stripping out that header in your NPM config? Or do you have a browser extension that might be doing so?

[-] Xylight@lemdro.id 2 points 5 months ago

Photon can make requests through http, but it has to be manually specified (PUBLIC_INSTANCE_URL=http://discuss.tchns.de)

this post was submitted on 02 Jun 2024
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