Bash functions for notifying when your internet connection comes back up

imdown.bash

# Bash functions for notifying when your internet connection comes back up

# A truly atrocious way to get your attention
nag() {
	while true; do
		for phrase in "$@"; do
			afplay /System/Library/Sounds/Ping.aiff
			say "$phrase"
			sleep 3
		done
	done
}

# Use the [Pushover](https://pushover.net/) API to send a notice to your phone/watch
pushnotify() {
	local token=xxxxxxxxxxxxxxxxxxx
	local key=xxxxxxxxxxxxxxxxxxx
	local formdata="token=${token}&user=${key}&title=$(urlenc $1)&message=$(urlenc $2)&priority=1&sound=spacealarm"
	curl -X POST -d $formdata 'https://api.pushover.net/1/messages.json'
}

# Poll a DNS resolver to see when you can reach it, then notify
imdown() {
	until ping -W1 -c1 8.8.8.8; do
		sleep 5;
	done
	pushnotify "Internet connection restored" "Your internet connection is operational again"
	nag \
	"internet connection is back up\!" \
	"Skynet is thinking" "your tribulation is over\!" \
	"Praise what gods may be. internet\!" \
	"O M G we're online" \
	"In the words of Dr. Frankenstein, it's alive\!"
}