neopassmenu/neopassmenu.sh

#!/usr/bin/env sh

multi=false
clipboard=false
type=false
add=false
otp=false
file=""
dir=""

checkmenu(){
	for i in "$@"; do
		if command -v "$i" >/dev/null 2>&1; then
			echo "$i";
			break;
		fi
	done
}

if [ -n "$WAYLAND_DISPLAY" ]; then
	x11=false
	if [ -z "$DMENU_COMMAND" ]; then
		dmenu="$(checkmenu dmenu-wl bemenu tofi yofi wofi)"
		case "$dmenu" in
			yofi)
				dmenu="yofi dialog"
				;;
			wofi)
				dmenu="wofi -dmenu"
				;;
		esac
	else
		dmenu="$DMENU_COMMAND"
	fi
else
	x11=true
	if [ -z "$DMENU_COMMAND" ]; then
		dmenu="$(checkmenu dmenu rofi bemenu)"
		case "$dmenu" in
			rofi)
				dmenu="rofi -dmenu"
				;;
		esac
	else
		dmenu="$DMENU_COMMAND"
	fi
fi

prompt_prefix="$(case "$(echo "$dmenu" | cut -d " " -f 1)" in
	tofi)
		printf "%s" "--prompt="
		;;
	*)
		printf "%s" "-p "
		;;
	esac
)"

if [ -z "$dmenu" ]; then
	echo "No menu found, specify menu with the DMENU_COMMAND environment variable or install a known menu"
	exit 1;
fi


usage="$(printf "USAGE:\nneopassmenu [OPTS] [Pass Entry]\n\nOptions:\n-a\t\tGenerate or modify a password\n-c\t\tCopy to clipboard instead of printing to stdout\n-t\t\tSimulate typing instead of printing to stdout\n-m\t\tSelect a specific line from a multiline file\n-o\t\tGet an otp instead of the password file (precedence over -m)\n-h\t\tPrint usage information\n\nCONFIGURATION:\nEnvironement variables:\nDMENU_COMMAND\tSpecify dmenu command (default: dmenu)")"

cd "${PASSWORD_STORE_DIR:-"$HOME/.password-store"}" || exit 2

while [ "$#" -gt 0 ]; do
	case "$1" in
		-a)
			add=true
			shift
			;;
		-c)
			clipboard=true
			type=false
			shift
			;;
		-t)
			clipboard=false
			type=true
			shift
			;;
		-m)
			multi=true
			shift
			;;
		-h)
			echo "$usage"
			exit 0
			;;
		-o)
			otp=true
			shift
			;;
		*)
			if [ -f "$1" ] || [ -f "${1}.gpg" ]; then
				file="$1"
				shift
			elif [ -d "$1" ]; then
				dir="$1"
				shift
			else
				echo "$usage" >&2
				exit 1
			fi
			;;
	esac
done

if [ -z "$file" ]; then
	while true; do
		file="$(printf "..\n%s" "$(find "./$dir" -maxdepth 1)" | sed -e 's#^'"./$dir"'##;s#^/##;s/.gpg$//' -e '/^$/d; /^.gpg-id$/d; /^.git\(attributes\)\{0,1\}$/d' | $dmenu $prompt_prefix"Choose Password")"
		if [ -z "$dir" ]; then
			newdir="$file"
		else
			newdir="${dir%/}/$file"
		fi
		if [ -z "$file" ]; then
			exit 127
		elif [ "$file" = ".." ]; then
			dir="${dir%/}"
			if echo "$dir" | grep -q "/"; then
				dir="${dir%/*}"
			else
				dir=""
			fi
		elif [ -d "$newdir" ]; then
			dir="$newdir"
		elif [ -f "$newdir" ] || [ -f "${newdir}.gpg" ] || "$add"; then
			file="$newdir"
			break
		else
			break
		fi
	done
fi

if "$add"; then
	if [ -f "${file}.gpg" ]; then
		pass "$file" > /tmp/pass.txt
	fi
	printf "\n\n%s" "$(dd count=2 if=/dev/random of=/dev/stdout 2>/dev/null ibs=512 obs=512 | uuencode -m /dev/stdout | tail -n +2 | tr -d '\n')" >> /tmp/pass.txt
	fileopener /tmp/pass.txt || notify-send "Error $?"
	if [ -n "$(cat /tmp/pass.txt)" ]; then
		save="$(printf "yes\nno" | $dmenu $prompt_prefix "Save changes? ")"
		if [ "$save" = "yes" ]; then
			cat /tmp/pass.txt | pass add -m -f "$file"
		fi
		rm /tmp/pass.txt
		exit 0
	fi
	rm /tmp/pass.txt
	exit 1
fi

if ! [ -f "$file" ] && ! [ -f "${file}.gpg" ]; then
	exit 127
fi

if ! $otp; then
	password_lines="$(pass "$file")"
else
	password_lines="$(pass otp "$file")"
fi

if $multi && ! $otp; then
	sel_password="$(echo "$password_lines" | sed 'h; s/^.\{1,2\}//; s/./*/g; x; s/^\(.\{1,2\}\).*/\1/; G; s/\n//' | $dmenu)"
	password_lines="$(echo "$password_lines" | grep -x "$(echo "$sel_password" | sed 'y/*/./' )")"

	# Sed script:
	# Copy pattern space (line) to hold space. Pattern space: Foo Hold space: Foo
	# Delete first or first two characters in pattern space. Pattern space: o Hold space: Foo
	# Replace every character in patter space with "*", Pattern space: * Hold Space: Foo
	# Swap pattern space with hold space. Pattern Space: Foo Hold space: *
	# Delete all the characters in pattern space after the first two. Pattern Space: Fo Hold Space: *
	# Append newline followed by the Hold Space to the Pattern Space. Pattern Space: Fo\n* Hold Space: *
	# Remove the (supposedly only) newline from the pattern space. Pattern Space: Fo* Hold Space: *
	# Sed automatically prints the pattern space at the end of a script (unless the -n option is given). Output: Fo*
fi

if [ -z "$password_lines" ]; then
	"No password found or selected"
fi

if $clipboard; then
	if $x11; then
		printf "%s" "$password_lines" | xclip -in -selection clipboard
	else
		printf "%s" "$password_lines" | wl-copy -n
	fi
	exit 0
elif $type; then
	if $x11; then
		printf "%s" "$password_lines" | xdotool type --clearmodifiers --file -
	else
		printf "%s" "$password_lines" | ydotool type --file -
	fi
	exit 0
fi

echo "$password_lines"