Small bash-script for monitoring the status of free times for Dublin Immigration Registration appointment system. Fetches the CSRF-tokens from the form and uses it to query for free times every 30 seconds from the page. Requires restart every once in a while since the CSRF-tokens do expire for the site.

inis-times-poller.sh

#!/bin/bash

SITECONTENT=$(curl https://burghquayregistrationoffice.inis.gov.ie/Website/AMSREG/AMSRegWeb.nsf/AppSelect?OpenForm)
K=$(echo $SITECONTENT|egrep -o '<input id="k" type="hidden" value="\w+"'|cut -c36-67)
P=$(echo $SITECONTENT|egrep -o '<input id="p" type="hidden" value="\w+"'|cut -c36-67)

echo "P=$P K=$K"

#watch -n10 "curl 'https://burghquayregistrationoffice.inis.gov.ie/Website/AMSREG/AMSRegWeb.nsf/(getApps4DTAvailability)?readform&&cat=All&sbcat=All&typ=Renewal&k=$K&p=$P' -H 'Connection: keep-alive' -H 'Accept: application/json, text/javascript, */*; q=0.01' -H 'Sec-Fetch-Dest: empty' -H 'X-Requested-With: XMLHttpRequest' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.116 Safari/537.36' -H 'Sec-Fetch-Site: same-origin' -H 'Sec-Fetch-Mode: cors' -H 'Referer: https://burghquayregistrationoffice.inis.gov.ie/Website/AMSREG/AMSRegWeb.nsf/AppSelect?OpenForm' --compressed"
watch -n30 "curl 'https://burghquayregistrationoffice.inis.gov.ie/Website/AMSREG/AMSRegWeb.nsf/(getAppsNear)?readform&&cat=All&sbcat=All&typ=Renewal&k=$K&p=$P' -H 'Connection: keep-alive' -H 'Accept: application/json, text/javascript, */*; q=0.01' -H 'Sec-Fetch-Dest: empty' -H 'X-Requested-With: XMLHttpRequest' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.116 Safari/537.36' -H 'Sec-Fetch-Site: same-origin' -H 'Sec-Fetch-Mode: cors' -H 'Referer: https://burghquayregistrationoffice.inis.gov.ie/Website/AMSREG/AMSRegWeb.nsf/AppSelect?OpenForm' --compressed"