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|
#!/usr/bin/env bash
# pw - a mnml password manager
command -v gpg >/dev/null 2>&1 && gpg=gpg
command -v gpg2 >/dev/null 2>&1 && gpg=gpg2
# check if xclip or pbcopy exist
# command -v xclip >/dev/null 2>&1 && copy="xclip -rmlastnl -selection clipboard"
# command -v pbcopy >/dev/null 2>&1 && copy="pbcopy | tr -d '\n'"
# export PW_DIR to your own path
[[ -z "$PW_DIR" ]] && PW_DIR="$HOME/.pw"
init() {
if [[ ! -e "$PW_DIR" ]]; then
mkdir -p "$PW_DIR"
printf "pw: password directory initialized at %s\n" "$PW_DIR"
else
printf "PW_DIR is %s\n" "$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)"
printf "pw: generated password for %s\n" "$1"
fi
if [[ ! -f "$PW_DIR/$1.gpg" ]]; then
printf "%s" "$pass" | "$gpg" -aer "$PW_KEY" -o "$PW_DIR/$1.gpg"
printf "pw: %s/%s.gpg created\n" "$PW_DIR" "$1"
else
die "the file $PW_DIR/$1.gpg exists"
fi
(
cd $PW_DIR
git add .
git commit -m "$(date)"
remote="$(git remote show)"
branch="$(git branch --show-current)"
git pull -r "$remote" "$branch"
git push "$remote" "$branch"
)
}
list() {
(cd "$PW_DIR"; find *.gpg)
}
del() {
checkf "$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"
printf "pw: deleted %s" "$1"
}
}
show() {
checkf "$PW_DIR/$1.gpg"
"$gpg" --decrypt --quiet --use-agent "$PW_DIR/$1.gpg"
}
# TODO: rework having to checkf twice
copy() {
checkf "$PW_DIR/$1.gpg"
if [[ "$OSTYPE" =~ darwin* ]]; then
show "$1" | head -1 | pbcopy | tr -d '\n'
else
show "$1" | head -1 | xclip -rmlastnl -selection clipboard
fi
printf "pw: copied %s to clipboard\n" "$1"
}
usage() {
usage="
pw - mnml password manager
usage: pw [options] [NAME]
All options except -i and -h require a NAME argument.
options:
-i Initializes password directory at \$HOME/.pw or at \$PW_DIR, if it exists.
-a Add a password.
-g Generate a password.
-s Print password to STDOUT.
-l List out all passwords.
-c Copy existing password to clipboard.
-d Delete password.
-h Display this help message and exit.
Requires PW_KEY to be set. Optionally, set PW_DIR for custom directory location.
Set PW_LEN to an integer of your choice, to override the default password length of 25.
"
printf "%s" "$usage"
exit 1
}
checkf() {
[[ ! -f "$1" ]] &&
die "$1 does not exist"
}
die() {
printf "error: %s\n" "$1" >&2
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 $(( OPTIND -1 ))
}
main "$@"
|
