#!/bin/bash

# vim: expandtab softtabstop=4 tabstop=4 shiftwidth=4 showtabline=2

PASSWORD='xxx'
DATE=$(date +"%d-%m-%Y")

while getopts "p:qu:g:sadv" option ; do
case $option in

    p)
    READPASS=$OPTARG
    ;;

    q)
    QUOTA='on'
    ;;

    u)
    USERIS=$OPTARG
    ;;

    g)
    GROUPIS=$OPTARG
    ;;

    s)
    SIZE='on'
    ;;

    a)
    ADD='on'
    ;;

    d)
    DEL='on'
    ;;

    v)
    VIRTUAL='on'
    ;;

    *)
    echo "script error"
    exit 1
    ;;
esac
done

if [ "$PASSWORD" != "$READPASS" ]; then
    echo "Invalid password"
    echo "Use -p <password>"
    exit 1
fi

# Mode virtuel : permet pour l'instant la création du répertoire d'un domaine
#                ex : evoadmin.sh -a -v -g example.com
if [ "$VIRTUAL" == "on" ]; then
    if [ "$ADD" == "on" ]; then
        if [[ -z $USERIS && -n $GROUPIS && ! -e "/home/vmail/$GROUPIS" ]]; then
            DOMAIN_DIR="/home/vmail/$GROUPIS"
            mkdir $DOMAIN_DIR
            # nécessite d'avoir un NSS/LDAP fonctionnel
            chown vmail:vmail $DOMAIN_DIR
            chmod 700 $DOMAIN_DIR
        fi
    fi

    if [ "$DEL" == "on" ]; then
        if [[ -n $USERIS && -n $GROUPIS && -e "/home/vmail/$GROUPIS" && -e "/home/vmail/$GROUPIS/$USERIS" ]]; then
            mv /home/vmail/$GROUPIS/$USERIS /home/vmail/$GROUPIS/$USERIS.$DATE
            chown -R vmail:vmail /home/vmail/$GROUPIS/$USERIS.$DATE
        fi
    fi

    exit 0
fi

if [ "$QUOTA" == "on" ]; then
    if [ -n "$USERIS" ]; then
        domain=${USERIS##*@}
        user=${USERIS%%@*}
        sizeFile="/home/vmail/${domain}/${user}/size.txt"
        if [ -f "$sizeFile" ]; then
            dateNowInSeconds=$(date +%s)
            statFileInSeconds=$(stat -c %Y "$sizeFile")
            dateMinusStat=$((dateNowInSeconds - statFileInSeconds))
            if [ $dateMinusStat -lt 36000 ]; then
                size=$(<"$sizeFile")
            else
            size=$(du -s /home/vmail/${domain}/${user} | tr -s '\t' ' ' | cut -d' ' -f1)
            echo "$size" > "$sizeFile"
            fi
        else
           size=$(du -s /home/vmail/${domain}/${user} | tr -s '\t' ' ' | cut -d' ' -f1)
           echo "$size" > "$sizeFile"
        fi

        echo "$size/0"
        ###NOW=`LANG=C quota $USERIS | tr -d "\n" | sed -e "s/^.*\/dev\///" | tr -s " " | cut -d" " -f2`
        ###LIMIT=`LANG=C quota $USERIS | tr -d "\n" | sed -e "s/^.*\/dev\///" | tr -s " " | cut -d" " -f3`
        ###echo "$NOW/$LIMIT"
        ###exit 0
    fi

    if [ -n "$GROUPIS" ]; then
        sizeFile="/home/vmail/${GROUPIS}/size.txt"
        if [ -f "$sizeFile" ]; then
            dateNowInSeconds=$(date +%s)
            statFileInSeconds=$(stat -c %Y "$sizeFile")
            dateMinusStat=$((dateNowInSeconds - statFileInSeconds))
            if [ $dateMinusStat -lt 36000 ]; then
                size=$(<"$sizeFile")
            else
            size=$(du -s /home/vmail/${GROUPIS} | tr -s '\t' ' ' | cut -d' ' -f1)
            echo "$size" > "$sizeFile"
            fi
        else
           size=$(du -s /home/vmail/${GROUPIS} | tr -s '\t' ' ' | cut -d' ' -f1)
           echo "$size" > "$sizeFile"
        fi

        echo "$size/0"
        # no quota
        ###if LANG=C quota -g $GROUPIS | grep none > /dev/null; then
        ###        echo "0/0"
        ###        exit 0
        ###fi
        ###NOW=`LANG=C quota -g $GROUPIS | tr -d "\n" | sed -e "s/^.*\/dev\///" | tr -s " " | cut -d" " -f2`
        ###LIMIT=`LANG=C quota -g $GROUPIS | tr -d "\n" | sed -e "s/^.*\/dev\///" | tr -s " " | cut -d" " -f3`
        ###echo "$NOW/$LIMIT"
        ###exit 0
    fi

fi

if [ "$SIZE" == "on" ]; then
    NOW=`df | grep "/home" | tr -s " " | cut -d " " -f3`
    LIMIT=`df | grep "/home" | tr -s " " | cut -d " " -f2`
    echo "$NOW/$LIMIT"
    exit 0
fi

if [ "$ADD" == "on" ]; then
    if [[ -n $USERIS && $GROUPIS && ! -e "/home/$USERIS" ]]; then
        mkdir /home/$USERIS
        chmod 0700 /home/$USERIS
        chown "$USERIS:$GROUPIS" /home/$USERIS
        setquota -u $USERIS 5000000 8000000 0 0 -a
        echo "Mail d'initialisation du compte." |\
            mail -s "Premier message" $USERIS@localhost
        exit 0
    fi
fi


if [ "$DEL" == "on" ]; then
    if [[ -n $USERIS && -e "/home/$USERIS" ]]; then
        mv /home/$USERIS /home/$USERIS.$DATE
        chown -R root:root /home/$USERIS.$DATE
        exit 0
    fi
fi

exit 1