cutiful

Detecting the real IP of a Cloudflare'd Mastodon instance

NB: This will not work for instances that proxy outgoing requests!

Reading the docs

I wanted to find a way to detect the real IP address of a Mastodon/Pleroma/Misskey/etc instance hosted behind Cloudflare. How to do that? Well, it's federated, which means I can probably get it to send a request to a server of mine! And how to do that? I tried reading the ActivityPub spec. The following caught my attention:

Servers should not trust client submitted content, and federated servers also should not trust content received from a server other than the content's origin without some form of verification.

cutiful

ESTree node types

interface	base	type	body	argument	id	value	test	source	left	right	operator	expression	kind	computed	label	consequent	key	name	generator	object	alternate	init	elements	properties	method	prefix	property	callee	arguments	expressions	static	local	specifiers	declaration	exported	loc	start	end	line	column	regex	sourceType	params	async	directive	discriminant	cases	block	handler	finalizer	param	update	declarations	shorthand	await	delegate	quasis	tag	quasi	tail	superClass	meta	imported	bigint	optional
Node		string																																		SourceLocation | "null"
SourceLocation								string | "null"																													Position	Position
Position

cutiful

These are esbuild metafiles from bundling the following file with esbuild and bundlejs for okikio/bundlejs#43:

export { ChakraProvider, Container, Input } from "@chakra-ui/react";

Source: bundlejs, esbuild