#!/usr/bin/env sh

[ -n "$1" ] && LOGIN=$1
[ -n "$2" ] && PASSWORD=$2
#JAR=$LOGIN.jar
JAR=/usr/local/cookie/`date +%H%M%S`.jar
TIMEOUT=5m
[ -n "$3" ] && PROXY=$3

[ -z "$LOGIN" -o -z "$PASSWORD" ] \
  && echo 'Usage: ./lurker.sh LOGIN PASSWORD [PROXY]. You may also pass args with environment variables' >&2 \
  && exit 1

do_curl() {
  curl \
    -H 'Pragma: no-cache' \
    -H 'Origin: https://naruto-shippuuden.ru' \
    -H 'Accept-Language: en-US,en;q=0.9,ru;q=0.8,fil;q=0.7' \
    -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36' \
    -H 'Accept: application/xml, text/xml, */*; q=0.01' \
    -H 'Cache-Control: no-cache' \
    -H 'DNT: 1' \
    `[ -n "$PROXY" ] && echo --proxy "$PROXY"` \
    "$@"
}

do_login() {
  do_curl https://naruto-shippuuden.ru/index/sub/ \
    -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' \
    -H 'Referer: https://naruto-shippuuden.ru/index/1' \
    -H 'X-Requested-With: XMLHttpRequest' \
    --data "user=$LOGIN&password=$PASSWORD&rem=1&a=2&ajax=1&rnd=226&_tp_=xml" \
    --cookie-jar "$JAR" \
    > /dev/null 2>&1
}

get_main() {
  do_curl https://naruto-shippuuden.ru \
    --cookie "$JAR"
}

is_request_successful() {
  RESPONSE=$1
  INDICATOR=`echo $RESPONSE | grep '.Ru</ti'`
  [ -n "$INDICATOR" ]
}

do_request() {
  RESPONSE=`get_main 2>/dev/null`
  is_request_successful "$RESPONSE"
}

# If running interactively, don't do anything
case $- in
    *i*) return;;
esac

echo 'Cookie jar file is' $JAR >&2

do_login

while :
do
  do_request || (do_login && do_request) || (echo 'Broken' >&2; exit 1)

  [ "$?" -ne 0 ] && break

  sleep "$TIMEOUT"
done