DLsite Product Download Script / OpeEnv: WSL1 WSL2 ArchLinux

dlsite_get.sh

#!/bin/bash
# DLsite Product Downloader 
source .session > /dev/null 2>&1

function sessionchk() {
    result=`curl -L -sS "https://ssl.dlsite.com/maniax/mypage" -H 'authority: www.dlsite.com' -H "cookie: AuthCookie="$AuthCookie"; __DLsite_SID="$DSID";" --compressed | grep -oP '(?<=<title>)(.+)(?=</title)'`
    if [[ $result == "新規登録 - 新規登録" ]] ; then
      echo :-: 認証エラー :-:
      return 1
    else
      return 0
    fi
}

function parser() {
  IFS_=$IFS
  IFS=$1
  array=($2)
  IFS=$IFS_
}


sessionchk
if [ $? == 1 ]; then
  echo DLsite Session Cookie が切れています。
  read -p "Please DLsite AuthCookie: " AuthCookie
  echo "declare -x AuthCookie=$AuthCookie" > .session
  read -p "Please DLsite __DLsite_SID: " DSID
  echo "declare -x DSID=$DSID" >> .session
fi
echo -e "\n:-: DLsite_ProductsDownload :-:\n"
if [ -e $1 ]; then
  read -p "RJCode: (ex. RJ114514) " RJNUM
else
  RJNUM=$1
fi
url="$(echo $RJNUM | grep :// | sed -e's,^\(.*://\).*,\1,g')"
host="$(echo ${RJNUM/$url/} | cut -d/ -f1| sed -e 's,:.*,,g')"
if [ -n "$url" -a -n "$host" ]; then
  if [ $host == "www.dlsite.com" ]; then
    path="$(echo $RJNUM | grep / | cut -d/ -f2-)"
    RJNUM="$(echo $path | grep -oP "(?<=product_id/)(RJ)(.+)(?=.html)")"
  fi
fi
if [[ $RJNUM =~ ^[RJ]+([0-9]+).*$ ]]; then
  echo -e "Product_id: $RJNUM \n"
else
  echo "🤔 :thinking_face: 🤔"
  exit 1
fi

for _3FIGURE in `seq -f %01g 0 30`
do
    #echo "${_3FIGURE}"
    echo Download Request...
    URL="https://www.dlsite.com/maniax/download/=/number/${_3FIGURE}/product_id/$RJNUM.html"
    result=`curl -L -sS $URL -H 'authority: www.dlsite.com' -H "referer: https://www.dlsite.com/maniax/download/split/=/product_id/$RJNUM.html" -H "cookie: AuthCookie="$AuthCookie"; __DLsite_SID="$DSID";" --compressed | grep -oP '(?<= <pre class="detail-text">)(.+)(?=</pre>)'`
    if [ -z "$result" -a "${_3FIGURE}" -gt 0 ]; then
      echo -e "download key notfound. \n:-: Download END :-:"
      break
    elif [ -n "$result" ]; then
      parser / $result
      SAVE=${array[12]}
      echo Download... $URL
      sleep 2
      if [ "${_3FIGURE}" = "0" ]; then
        curl -# -L "$result"  -H 'authority: www.dlsite.com' -H "referer: https://www.dlsite.com/maniax/download/split/=/product_id/$RJNUM.html" -H "cookie: AuthCookie="$AuthCookie"; __DLsite_SID="$DSID";" --compressed --output $SAVE && saves+=($SAVE)
      elif [ ${_3FIGURE} -gt 0 ]; then
        curl -# -L "$result"  -H 'authority: www.dlsite.com' -H "referer: https://www.dlsite.com/maniax/download/split/=/product_id/$RJNUM.html" -H "cookie: AuthCookie="$AuthCookie"; __DLsite_SID="$DSID";" --compressed --output $SAVE && saves+=($SAVE)
      fi
      sleep 3
    fi
done

  if [ -n "${saves[0]}" ]; then
    echo -e "\n:-: 保存しました。:-:\n"
    echo -e "  ${saves[@]}  \n"

    echo ":-: このまま自動展開を行います。:-: \(unrar or unar を使います。\)"
    parser . ${saves[0]}
    extdir=${array[0]}

    if [ "${array[2]}" = "exe" -o "${array[2]}" = "rar" ]; then
      echo ":-: 展開中... :-:"
      unrar x ./${saves[0]} extract/$extdir/ -y | tail -1 && extres=$?
    else
      echo ":-: 展開中... :-:"
      unar -f -o ./extract/$extdir ./${saves[0]} | tail -1 && extres=$? 
    fi
    if [ -f /proc/sys/fs/binfmt_misc/WSLInterop ]; then
      if [ -d ./extract/$extdir ]; then explorer.exe `wslpath -w ./extract/$extdir` ;fi
    fi
    for file in ${saves[@]}; do mv $file ./extract/ >/dev/null 2>&1 ;done
    if [ "$extres" = 0 ]; then
      echo -e ":-: DLsiteダウンロード展開処理完了 :-:"
      exit 0
    else 
      echo -e ":-: 正常に完了しませんでした。 :-:"
      exit 1
    fi
  else
    echo -e ":-: 保存されませんでした。:-:"
    exit 1
  fi