loginmetro.sh

#!/bin/bash
# Script for logging into MosMetro-Free in Moscow Metro
# With last updates to auth.wi-fi.ru - LUL FKN NOOOOBS THEY MADE IT EVEN EASIER

AUTHURL="http://auth.wi-fi.ru/auth?section=metro"
INITURL="http://auth.wi-fi.ru/auth/init?mode=0"
CHECKURL="http://auth.wi-fi.ru/auth/check?segment=metro"
AUTOURL="http://auth.wi-fi.ru/auto_auth?segment=metro"
CAPTCHAURL="http://auth.wi-fi.ru/rucaptcha/"

DT="$HOME/.metrologin"
mkdir $DT 2>/dev/null
FCONF="$DT/curl.conf"
FCOOK="$DT/cookies.txt"
FTOKN="$DT/token.html"
FAAUT="$DT/auto.html"
FCTCH="$DT/captcha.png"

# curl config for metro logins
echo '
user-agent = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0"
referer "http://auth.wi-fi.ru/?segment=metro"
-b "'$FCOOK'"
-c "'$FCOOK'"
-s
header = "Accept-Language: en-GB,ru-RU;q=0.8,ru;q=0.6,en-US;q=0.4,en;q=0.2"
header = "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
' > $FCONF


function main() {

if [ ! -f .cookies ]; then
	echo "getting initial cookies"
	curl $AUTHURL -K $FCONF > /dev/null
fi

echo "getting token"

if [ -x $1 ]; then
	curl "$AUTHURL" -K $FCONF > $FTOKN
	TOKEN=$( cat $FTOKN | sed 's/>/\n/g' | grep csrf-token | sed 's/.*content=\"//;s/\".*//' )
else
	TOKEN=$1
fi

if [[ ! -s $FTOKN ]]; then
	echo "it appears we have no connection to server :/"
	exit 1
fi

if [[ -z $TOKEN ]]; then
	echo "no token found, possibly we failed auto auth check :("
	echo "downloading captcha"

	curl "$AUTOURL" -D - -K $FCONF > $FAAUT

	curl "$CAPTCHAURL" -K $FCONF > $FCTCH

	display $FCTCH & read -p "now please enter this craptcha: " CAPTCHA

	auth_token=$(cat $FAAUT | sed 's/>/\n/g' | grep authenticity_token | grep -Po '(?<=value=").*(?=")') 
	aa_body="utf8=%E2%9C%93&authenticity_token="$auth_token"&_rucaptcha=$CAPTCHA"

	curl "$AUTOURL" -d $aa_body -H "Content-Type: application/x-www-form-urlencoded" -K $FCONF

	main

	return
fi

echo "logging with token $TOKEN"
curl "$INITURL" -K $FCONF -d "" -H "X-CSRF-Token: $TOKEN" --referer '$AUTHURL';
echo
echo "running check"
curl "$CHECKURL" -K $FCONF -s
echo

# for the sake of skipping midsession
curl -s http://ya.ru > /dev/null

}

main

Теперь в метро всё же проверяют параметр mac, пофиксил. В идеале лучше чтобы url брался из заголовка Location.