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Is there a self-hosted project that does url decoding in a privacy respecting fashion? (europe.pub)

submitted 9 months ago* (last edited 9 months ago) by ReedReads@lemmy.zip to c/selfhosted@lemmy.world

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Links are almost always base64 encoded now and the online url decoders always produce garbage. I was wondering if there is a project out there that would allow me to self-host this type of tool?

I'd probably network this container through gluetun because, yanno, privacy.

Edit to add: Doesn't have to be specifically base64 focused. Any link decoder that I can use in a privacy respecting way, would be welcome.

Edit 2: See if your solution will decode this link (the one in the image): https://link.sfchronicle.com/external/41488169.38548/aHR0cHM6Ly93d3cuaG90ZG9nYmlsbHMuY29tL2hhbWJ1cmdlci1tb2xkcy9idXJnZXItZG9nLW1vbGQ_c2lkPTY4MTNkMTljYzM0ZWJjZTE4NDA1ZGVjYSZzcz1QJnN0X3JpZD1udWxsJnV0bV9zb3VyY2U9bmV3c2xldHRlciZ1dG1fbWVkaXVtPWVtYWlsJnV0bV90ZXJtPWJyaWVmaW5nJnV0bV9jYW1wYWlnbj1zZmNfYml0ZWN1cmlvdXM/6813d19cc34ebce18405decaB7ef84e41 (it should decode to this page: https://www.hotdogbills.com/hamburger-molds)

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[–] liliumstar@lemmy.dbzer0.com 4 points 9 months ago* (last edited 9 months ago)

I wrote this little webapp thing some time ago. It's not exactly what you asked for but is a good example.

All it does is base64 encode a link and adds the server url in front of it. When someone visits that link it will redirect them to the destination. The intent is to bypass simple link tracking / blocking in discord and other platforms.

There are also checks for known bad domains and an attempt to remove known tracking query parameters.

https://git.tsps-express.xyz/liliumstar/redir

Edit: I forgot to add it also blocks known crawlers (at least at time of writing) so that they can't just follow the 302 and figure out where it goes.