#!/bin/sh

echo 'Content-Type: application/rss+xml'
echo ''

echo '<?xml version="1.0"?>'
echo '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">'
echo '  <channel>'
echo '    <atom:link href="http://grumpycoder.net/cgi-bin/horriblesubs.sh" rel="self" type="application/rss+xml" />'
echo '    <title>Horriblesubs</title>'
echo '    <link>http://horriblesubs.info/</link>'
echo '    <description>Horriblesubs</description>'

base="http://horriblesubs.info"
url=$base"/lib/latest.php"

cookies=/tmp/hs.cookies

download=`mktemp`
curl -L -b $cookies -c $cookies -s "$url" \
  -H 'Accept-Encoding: gzip, deflate, sdch' \
  -H 'Accept-Language: en-US,en;q=0.8,fr;q=0.6' \
  -H 'Upgrade-Insecure-Requests: 1' \
  -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36' \
  -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' \
  -H 'Connection: keep-alive' --compressed > $download
while grep -q 'DDoS protection by CloudFlare' $download ; do
  script=`mktemp`
  grep -A1 setTimeout $download | tail -1 > $script
  echo 't = "'$base'/";' >> $script
  echo 'r = t.match(/https?:\/\//)[0];' >> $script
  echo 't = t.substr(r.length);' >> $script
  echo 't = t.substr(0,t.length-1);' >> $script
  grep -A8 setTimeout $download | tail -1 | tr \; \\n | sed s/.value// | while read l ; do
    echo "$l"\; >> $script
  done
  echo 'console.log(a);' >> $script
  answer=`node $script`
  rm $script
  form=`mktemp`
  grep form.id..challenge.form -A4 $download | tr \  \\n | grep -v ^$ > $form
  action=`grep action $form | cut -f2 -d\"`
  vc=`grep jschl_vc $form -A1 | tail -1 | cut -f2 -d\"`
  pass=`grep pass $form -A1 | tail -1 | cut -f2 -d\"`
  rm $form
  info="?jschl_vc=$vc&pass=$pass&jschl_answer=$answer"
  sleep 4
  curl -L -b $cookies -c $cookies -s "$base$action$info" \
    -H 'Accept-Encoding: gzip, deflate, sdch' \
    -H 'Accept-Language: en-US,en;q=0.8,fr;q=0.6' \
    -H 'Upgrade-Insecure-Requests: 1' \
    -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36' \
    -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' \
    -H 'Referer: '$url -H 'Connection: keep-alive' --compressed > $download
done


(
  echo '<latest>'
  cat $download |
    sed 's/ id=\([^">]\+\)/ id="\1"/g' |
    sed 's/&/&amp;/g'
  echo '</latest>'
) | ./horriblesubs-to-rss.py

echo '  </channel>'
echo '</rss>'

rm $download