My tiny #ActivityPub server is now a massive... 64KB.
Yup. Kilobytes.
* It can send posts with attached images & alt text.
* Reply to posts with a proper thread.
* Read replies sent to it.
* Follow #Fediverse accounts and see their posts & edits.
* You can follow it.
* Hell, it even does HTTP Message Signature Verification!
All of this in a single PHP file. No database, no Docker, no dependencies, no AI.
You can grab the code at https://gitlab.com/edent/activitypub-single-php-file/
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Terence Eden / ActivityPub-Single-PHP-File ยท GitLab
A single PHP file which acts as a basic ActivityPub server.GitLab