#!/usr/bin/env bash
# Copyright 2016 Luke Shumaker
# License: WTFPLv2

# Dependencies:
# - bash
# - socat
# - date -R

server='httpconnectd'

MethodNotAllowed() {
	printf '%\r\n' \
	       'HTTP/1.1 405 Method Not Allowed' \
	       "Server: $server" \
	       "Date: $(date -R)" \
	       'Allow: CONNECT' \
	       ''
	exit 0
}

worker() {
	read -r method dest version
	if [[ "$method" != CONNECT ]]; then
		MethodNotAllowed
	fi
	exec socat STDIO TCP-CONNECT:"$dest"
}

worker "$@"