WolfPack/wolfpack

#!/bin/bash
source /usr/local/src/SharedLibraries/Bash/header
if [ -z "$3" ]; then 
    configuretorrent /usr/local/etc/WolfPack/torrentengine
else 
    configuretorrent "$3"
fi
export IFS="
"
export logfile='/var/log/wolfpack.log'

function helptext {
    echo '
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /\____              xxxxxxxxxxxxx     AniNIX::WolfPack 
  // ~ / _\_____                 Let loose the wolves to hunt, run, 
 /     \   .. \/                 and be free. They shall repay you 
//     /~_____/                  with their prey.
/// \\/  /                              ~dev@aninix.net
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    wolfpack --alpha [enginefile]         ~~ Tell the alpha to send the 
    pack members hunting.
    wolfpack --member <pup> [enginefile]  ~~ Send a member to train a pup
    and bring back results.
    wolfpack --help                       ~~ Show this helptext

    Available pup types (all pups are line-delimited with the type and
    result location as the first two lines):
    torrent                               ~~ Torrent the result of the
    search term.
    Will remove search line on 
    success.
    shows                                 ~~ Download the episode in a 
    show and increment. Shows
    are listed in format
    S01E01#Show terms
    download                              ~~ Takes a list of commands to
    run to arrive at a URL to
    grab and downloads the last
    URL.
    search                                ~~ Uses the Google search
    engine to return the top
    five results for the search
    terms on each line.
    '
}

function privacycheck {
    if [ "$(whatismyip)" == "$(nslookup aninix.net | grep Address | cut -f 2 -d ' ' | tail -n 1)" ]; then
        echo "ERROR: Should not torrent directly from the AniNIX main IP for privacy reasons" 2>&1 | tee -a $logfile
        exit 1
    fi
}

function nextairdate {
    if [ -z "$1" ]; then 
        echo "Need a show to search for"
        exit 1;
    fi
    lynx -read_timeout=5 -connect_timeout=5 --dump "https://www.episodate.com/tv-show/$(echo $1 | tr '[:upper:]' '[:lower:]' | tr ' ' '-')?season=99" 2>&1 | grep 'and airs on' | sed 's#   Season [0-9]\+ / Episode [0-9]\+ and airs on ##'
    return
}

function transmissioncheck {
    if [ "$(pgrep -afc transmission-cli)" -ne 0 ]; then
        echo "Transmission is still running. Aborting." | tee -a $logfile
        exit 0;
    fi
}

function torrent {
    if [ "$1" == "" ] || [ $(wc -l "$1" | cut -f 1 -d ' ') -lt 3 ]; then
        echo "Need a valid argument."
        return;
    fi
    transmissioncheck;
    privacycheck;
    export downloaddir=$(head -n 2 "$1" | tail -n 1)
    if [ "$(pgrep -afc transmission-cli)" -ne 0 ]; then
        echo "Transmission is still running. Aborting." | tee -a $logfile
        return;
    fi
    for i in $(tail -n +3 "$1"); do
        getmagnetlink "$i"
        if [ "$magnetlink" != "" ]; then
            /usr/bin/transmission-cli -d 600 -u 1 -er -w "$downloaddir" -b -f "/usr/local/bin/wolfpack-stoptorrent" "$magnetlink"
            sed -i "/$i/d" "$1"
            echo Downloaded and removed $i | tee -a $logfile
        fi
    done
}

function shows {
    if [ "$1" == "" ] || [ $(wc -l "$1" | cut -f 1 -d ' ') -lt 3 ]; then
        echo "Need a valid argument."
        return;
    fi
    transmissioncheck;
    privacycheck;
    export downloaddir=$(head -n 2 "$1" | tail -n 1)
    echo "Would download to "$downloaddir
    for i in $(tail -n +3 "$1"); do
        getmagnetlink "$(echo $i | tr '#' "$searchunifier")"
        sepisode=$(echo $i | cut -f 1 -d '#' | xargs)
        showName="$(echo $i | cut -f 2 -d '#' | xargs)"
        modifier="$(echo $i | cut -f 3 -d '#' | xargs)"
        season=$(echo $sepisode | cut -f 1 -d 'E' | cut -f 2 -d 'S')
        episode=$(echo $sepisode | cut -f 2 -d 'E')
        newep=$(printf "%02d\n" $((${episode#0} + 1)))
        newseason="$(printf "%02d\n" $((${season#0} + 1)))"
        if [ "$magnetlink" != "" ]; then
            # We found an episode.
            echo $i | tee -a $logfile
            /usr/bin/transmission-cli -d 300 -u 1 -er -w "$downloaddir" -b -f "/usr/local/bin/wolfpack-stoptorrent" "$magnetlink"
            sed -i "s/$i/S${season}E${newep}#${showName}#${modifier}/" "$1"
            echo Downloaded and pup updated. | tee -a $logfile
            rm -Rf ~/.config/transmission/resume/*
            rm -Rf ~/.config/transmission/torrents/*
            rm -f "$downloaddir"/*/*.txt # Including this to avoid breaking Yggdrasil
            rm -f "$downloaddir"/*/*.nfo
            echo | tee -a $logfile
        else
            # We didn't -- is there a new season?
            getmagnetlink "$(echo $i | sed 's/S'$season'E'$episode'/S'$newseason'E01/' | tr '#' "$searchunifier")"
            if [ "$magnetlink" != "" ]; then
                echo "S${newseason}E01" $showName | tee -a $logfile
                /usr/bin/transmission-cli -d 600 -u 1 -er -w "$downloaddir" -b -f "/usr/local/bin/wolfpack-stoptorrent" "$magnetlink"
                sed -i "s/$i/S${newseason}E01#$showName#$modifier/" "$1"
            else
                nextAirDate="$(nextairdate "$showName")"
                if [ ! -z "$nextAirDate" ]; then 
                    echo "No new season found for $showName -- next airs $(nextairdate "$showName")" | tee -a $logfile
                    if [ "$(date -s "$nextAirDate" -u +%s)" -lt "$(date -u +%s)" ]; then
                        echo ERROR: Should have found a new episode for $searchterms and did not -- check your provider\! | tee -a $logfile
                    fi
                else 
                    echo "No new season found for $showName" | tee -a $logfile
                fi
            fi
        fi
    done
}

function download { 
    if [ "$1" == "" ] || [ $(wc -l "$1" | cut -f 1 -d ' ') -lt 3 ]; then
        echo "Need a valid argument."
        return;
    fi
    # Second line in the file is the directory to download to.
    export downloaddir=$(head -n 2 "$1" | tail -n 1)
    # The third line and any following lines should be 
    for i in $(tail -n +3 "$1"); do
        #echo EVALUATING: $i
        if [ "$i" == "" ]; then continue; fi
        export comm=$(echo $i | sed "s#PREVRESULT#$nexturl#g" -)
        export nexturl=$(bash -c "$comm")
        #echo Found next url: $nexturl
    done
    export filename="$downloaddir"/"$(echo "$nexturl" | rev | cut -f 1 -d \/ | rev)"
    #if file doesn't already exist....
    if [ ! -f "$filename" ]; then
        echo Downloading $nexturl to $filename ... | tee -a $logfile
        export dedupterm="$(echo $1 | cut -f 1 -d '.' | rev | cut -f 1 -d '/' | rev)"
        for i in $(find "$downloaddir" | grep -i "$dedupterm"); do
            echo Deduped! Removed $i from $downloaddir | tee -a $logfile
            rm -Rf $i;
        done
        wget --timeout=5 -q -O "$filename" "$nexturl"
        echo Downloaded | tee -a $logfile
    fi
}

function search {
    if [ "$1" == "" ] || [ $(wc -l "$1" | cut -f 1 -d ' ') -lt 3 ]; then
        echo "Need a valid argument."
        return;
    fi
    export downloaddir=$(head -n 2 "$1" | tail -n 1)
    for i in $(tail -n +3 "$1"); do
        export searchstring=$(echo $i | sed 's/ /+/g')
        export file="$downloaddir"/$searchstring'.txt'
        echo | googler --count=5 -C -x "$searchstring" | grep -v 'Enter n, p, result' > "$file"
        echo "Ran search for $searchstring to $file" | tee -a $logfile
    done
}

if [ "$1" == "" ]; then
    helptext;
    exit 1; 
fi

echo '---' $(date) '---' | tee -a $logfile
echo Started "$1" "$2" on $(uname -n) | tee -a $logfile

case "$1" in 
    "--alpha")
        if [ "$2" == "" ]; then
            export basedir="/usr/local/etc/WolfPack"
        else
            export basedir="$2";
        fi
        echo "Starting members from pup in "$basedir | tee -a $logfile
        for i in $(find "$basedir" -type f | grep '.pup'); do
            /usr/local/bin/wolfpack --member "$i" "$3";
        done
        ;;

    "--member")
        echo "Spawning a member for "$2 | tee -a $logfile
        whatismyip | tee -a /var/log/wolfpack.log
        case "$(head -n 1 "$2")" in 
            "shows") 
                shows "$2"
                ;;
            "torrent")
                torrent "$2"
                ;;
            "search")
                search "$2"
                ;;
            "download")
                download "$2"
                ;;
            *)
                echo "Bad pup type."
                ;;
        esac 
        ;;

    *)
        helptext
        ;;
esac

echo "Exited "$1 | tee -a $logfile
echo '---' "$(date)" '---' | tee -a $logfile
echo | tee -a $logfile