#!/bin/sh -e
# passman -- simple password manager
# Copyright (C) 2013-2016 Sergey Matveev (stargrave@stargrave.org)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

DB=~/.passmandb

generator()
{
    dd if=/dev/urandom bs=16 count=1 2>/dev/null | base64 | tr '+/' '-_' | tr -d =
}

cliper()
{
    xclip -in -selection $1
}

case "$1" in
gen)
    generator
    ;;
add)
    dst="$2"
    passwd="$3"
    [ -n "$dst" ]
    [ -n "$passwd" ] || passwd=$(generator)
    echo Adding password for $dst
    mkdir -p $DB/$dst
    echo "$passwd" > $DB/$dst/passwd
    ;;
*)
    cd $DB
    result=$(find . -type d -path "*$1*" | while read ent; do
        [ -e "$ent/passwd" ] || continue
        echo "$ent" | sed 's#^\./##'
    done)
    if [ $(echo "$result" | wc -l) -ne 1 ]; then
        echo "$result"
        exit
    fi
    [ -n "$result" ] || exit 1
    echo $result
    if [ -e "$result"/data ]; then
        echo -n "Associated data: "
        cat "$result"/data
    fi
    perl -ne 'chop and print' "$result"/passwd | cliper clipboard
    echo $(basename "$result") | perl -ne 'chop and print' | cliper primary
    sleep 10
    echo -n | cliper clipboard
    ;;
esac