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|
#!/usr/bin/env bash
# pw - a mnml password manager
# export PW_DIR to your own path
[[ -z "$PW_DIR" ]] && PW_DIR="$HOME/.pw"
init() {
if [[ ! -e "$PW_DIR" ]]; then
mkdir -p "$PW_DIR"
echo "pw: password directory initialized at $PW_DIR"
else
echo "PW_DIR is $PW_DIR"
die "$PW_DIR exists"
fi
}
add() {
# $1: path to file
# $2 [optional]: password text
[[ -z "$PW_KEY" ]] && die "\$PW_KEY not set"
if [[ "$#" -eq 2 ]]; then
pass="$2"
else
# uses default length of 25 chars, unless PW_LEN is set
pass="$(pwgen "${PW_LEN:-25}" 1 -s)"
echo "pw: generated password for $1"
fi
if [[ ! -f "$PW_DIR/$1.gpg" ]]; then
echo "$pass" | gpg2 -er "$PW_KEY" -o "$PW_DIR/$1.gpg"
echo "pw: $PW_DIR/$1.gpg created"
else
die "the file $PW_DIR/$1.gpg exists"
fi
}
list() {
for f in "$PW_DIR"/*.gpg; do
printf '%s\n' "$(basename "${f%.gpg}")"
done
}
del() {
checkf "$PW_DIR/$1.gpg"
read -rn 1 -p "pw: are you sure you want to delete $1? [y/n]: "
printf "\n"
[[ "$REPLY" == [yY] ]] && {
rm -f "$PW_DIR/$1.gpg"
echo "pw: deleted $1"
}
}
show() {
checkf "$PW_DIR/$1.gpg"
gpg2 --decrypt --quiet --use-agent "$PW_DIR/$1.gpg" | head -1
}
# TODO: rework having to checkf twice
copy() {
checkf "$PW_DIR/$1.gpg"
show "$1" | xclip -rmlastnl -selection clipboard
echo "pw: copied $1 to clipboard"
}
usage() {
usage="
pw - mnml password manager
usage: pw [options] [NAME]
All options except -i and -h require a NAME argument.
options:
-i Initializes password directory at \$HOME/.pw or at \$PW_DIR, if it exists.
-a Add a password.
-g Generate a password.
-s Print password to STDOUT.
-l List out all passwords.
-c Copy existing password to clipboard.
-d Delete password.
-h Display this help message and exit.
Requires PW_KEY to be set. Optionally, set PW_DIR for custom directory location.
Set PW_LEN to an integer of your choice, to override the default password length of 25.
"
echo "$usage"
exit 1
}
checkf() {
[[ ! -f "$1" ]] &&
die "$1 does not exist"
}
die() {
printf "error: %s\n" "$1"
exit 1
}
main() {
[[ -z "$1" ]] && {
usage
}
while getopts "ila:g:s:c:d:h" options
do
# shellcheck disable=SC2221,SC2222
case "$options" in
i) init ;;
l) list ;;
g) add "$OPTARG" ;;
a)
read -rsp "enter password: " pass
printf "\n"
add "$OPTARG" "$pass"
;;
s) show "$OPTARG" ;;
c) copy "$OPTARG" ;;
d) del "$OPTARG" ;;
*|h) usage ;;
esac
done
shift $(( OPTIND -1 ))
}
main "$@"
|
