passman

#!/bin/bash

# Author: Mats Rauhala
#
# A simple password manager. Uses gpg for encryption. For easier usage, set
# default-key, session manager and default-recipient-self

VERSION=0.1.1

# Check for dependencies
which tree
if [ $? -gt 0 ]; then
    echo "tree command is missing. Try installing it"
    exit 1
fi

root=$HOME/passwords

function handlePath {
    local original=$root/$1
    dir=$(dirname $original)
    filename="$(basename $original).gpg"
}

function insertPassword
{
    local dir=$1
    local filename=$2
    local fullpath=$dir/$filename
    local username=$3
    local password=$4
    local notes=$5
    local tempfile=$(mktemp)

    echo "Full path: $fullpath"
    if [ -f $fullpath ]; then
        # File already exists
        rm $tempfile
        echo "Decrypting old"
        gpg --output $tempfile --decrypt $fullpath
        rm $fullpath
    fi
    touch $tempfile

    echo "Date: $(date)" >> $tempfile
    echo "Username: $username" >> $tempfile
    echo "Password: $password" >> $tempfile
    echo "Notes: $notes" >> $tempfile
    echo "" >> $tempfile

    gpg --output $fullpath --encrypt $tempfile
    rm $tempfile
}

while getopts "i:ls:rh" flags
do
    case $flags in
        "i") # Insert new
            handlePath $OPTARG
            echo $dir
            if [ ! -e $dir ]; then
                mkdir -p $dir
            fi
            echo "Username:"
            read username
            echo ""
            echo "Password:"
            read -s password
            echo ""
            echo "Notes:"
            read notes
            insertPassword "$dir" "$filename" "$username" "$password" "$notes"
            password=""
            ;;
        "l") # List all
            tree -P "*.gpg" $root | less
            ;;
        "s") # See username password
            handlePath $OPTARG
            if [ ! -e $dir/$filename ]
            then
                echo "No such file"
                exit 1
            fi
            echo "Reading $dir/$filename"
            gpg --decrypt $dir/$filename
            ;;
        "r") # Recommend a password
            pwgen
            ;;
        "h") # Help
            echo "passman $VERSION"
            echo ""
            echo -e "\t-h\t\tThis help"
            echo -e "\t-i [path]\tInsert a new password"
            echo -e "\t-l \t\tList passwords"
            echo -e "\t-s [path]\tSee password"
            echo -e "\t-r \t\tRecommend a new password"
    esac
done