Madokami Auto-Downloader

#Madokami auto-downloader by Huntereb
#Simply fill in the variables at the top with your information
#Use cron or some kind of scheduler to automate the downloading of files

#Directory to put our mangas
dlDir="/home/user/downloads/manga"
#Username for madokami
userN="Username"
#Password for madokami
passW="Password"
#The root directory for each manga you want to download (separate multiple with spaces)
ourMangu=(https://manga.madokami.com/Manga/mangu1 https://manga.madokami.com/Manga/mangu2)

#---------------------------------------------------------------------------Don't edit anything below here!

urldecode() {
    local url_encoded="${1//+/ }"
    printf '%b' "${url_encoded//%/\\x}"
}

RED='\033[0;31m'
NC='\033[0m'
ourDomain="https://manga.madokami.com"

if [ ! -d "$dlDir" ]; then
    echo -e ""$RED"The directory \""$dlDir"\" does not exist; exiting.$NC"
    exit 0
fi

if [ ! "$userN" ] || [ ! "$passW" ]; then
    echo -e ""$RED"A username and password is required to access Madokami; exiting.$NC"
    exit 0
fi

for currentMangu in "${ourMangu[@]}"
    do
        IFS=$'\n'

        wget -l 0 --user $userN --password $passW $currentMangu -O "$dlDir"/current
        if [ $? -gt 0 ]; then
             echo -e "$RED"$currentMangu" is not a valid Manga, or you entered an invalid username/password; skipping.$NC"
             rm "$dlDir"/current
             continue
        fi

        foundTitles=($(grep --null "rel=\"nofollow\">" "$dlDir"/current))
        ourName=($(grep --null "class=\"title\"" "$dlDir"/current))
        IFS=$'<>'

        if [ ! "$ourName" ]; then
            IFS=$'/'
            read -r -a ourName <<< "$currentMangu"
            ourName=$(urldecode ${ourName[-1]})
        else
            read -r -a ourName <<< "$ourName"
            ourName="${ourName[-2]}"
        fi

        rm "$dlDir"/current

        if [ ! -d "$dlDir"/"$ourName" ]; then
                mkdir "$dlDir"/"$ourName"
        fi

        for i in "${foundTitles[@]}"
            do
                IFS=$'\"'
                read -r -a ourFile <<< "$i"
                IFS=$'<>'
                read -r -a ourLocalFile <<< "$i"
                IFS=$'.<'
                read -r -a ourLocalFileExt <<< "$i"
                IFS=$'\n'
                if [ "${ourLocalFileExt[-2]}" = "zip" ]; then
                    ourLocalFile="${ourLocalFile[-2]::-3}cbz"
                elif [ "${ourLocalFileExt[-2]}" = "rar" ]; then
                    ourLocalFile="${ourLocalFile[-2]::-3}cbr"
                else
                    echo -e "$REDUnexpected file type; skipping.$NC"
                    continue
                fi
                if [ ! -f "$dlDir"/"$ourName"/"$ourLocalFile" ]; then
                    wget -l 0 --user $userN --password $passW "$ourDomain""${ourFile[1]}" -O ""$dlDir"/"$ourName"/"$ourLocalFile""
                else
                    echo -e "$RED"$ourLocalFile" already exists; skipping.$NC"
                fi
            done

    done

exit 0