Simple dmenu-pass launcher for passwords, notes and application shortcuts

dmenu-pass.sh

#!/bin/bash
#-------------------------------------------------------------------------------
#  File       : dmenu-pass.sh
#  Author     : Felipe A. Silveira (felipe.alexandre@gmail.com)
#  Repository : https://gist.github.com/fsilveir
#
#-------------------------------------------------------------------------------
#  SCRIPT DESCRIPTION
#-------------------------------------------------------------------------------
#
#  Synopsis    : Simple dmenu-pass launcher for passwords, notes and application
#                shortcuts
#
#  Requirements: pass, gpg, dmenu, xclip, gedit, exo-open
#
#  Arguments:
#				--pass  : Chooses a password from password vault
#				--notes : Open a personal note with gedit
#				--apps  : Quick launches a desktop application with exo-open
#
#-------------------------------------------------------------------------------
# Globals
#-------------------------------------------------------------------------------

# The following utilities are required for the script to work
REQUIREMENTS="pass gpg dmenu xclip gedit exo-open"

# Default directories for password store, personal notes, and desktop shortcuts
PASSWORD_STORE_DIR="$HOME/.password-store/keys"
PERSONAL_NOTES_DIR="$HOME/git/notes"
DESKTOP_APPS_DIR="/usr/share/applications"

# Extensions to hide from dmenu display
PASSWORD_STORE_EXT=".gpg"
PERSONAL_NOTES_EXT=".md"
DESKTOP_APPS_EXT=".desktop"

# Dmenu font and color schemes
DMENU_FONT="Dejavu Sans Mono:medium:size=18"
DMENU_COLOR_PASS="-nb #191919 -nf #FF0000 -sb #FF9318 -sf #191919"
DMENU_COLOR_APPS="-nb #191919 -nf #2E9EF4 -sb #2E9EF4 -sf #191919"
DMENU_COLOR_NOTES="-nb #191919 -nf #2aa198 -sb #2aa198 -sf #191919"

#-------------------------------------------------------------------------------
# Functions
#-------------------------------------------------------------------------------

main() {
	check_requirements
	get_dmenu_settings "$@"
	get_dmenu_input
	take_action
}

take_action() {
	if [[ $arg == "--pass" ]]; then
		pass show -c "keys/${result}" 2>/dev/null
		echo "$result" | head -n 1 | tr -d "\n" | awk -F "/" '{print $NF}' | xclip
		sleep 10 && pkill xclip
	elif [[ $arg == "--notes" ]]; then
		gedit "${prefix}/${result}.md"
	elif [[ $arg == "--apps" ]]; then
		exo-open "${prefix}/${result}${suffix}" &>/dev/null
	fi
}

get_dmenu_input() {
	shopt -s nullglob globstar
	item=( "$prefix"/**/*${suffix})
	item=( "${item[@]#"$prefix"/}" )
	item=( "${item[@]%${suffix}}" )

	result=$(printf '%s\n' "${item[@]}" | dmenu -fn "$DMENU_FONT" $color_scheme)
	[[ -n $result ]] || exit
}


get_dmenu_settings() {
	if [[ $@ == "" ]]; then
		msg_usage_error
	fi
	
	for arg in "$@"
	do
		if [[ $arg == "--pass" ]]; then
			color_scheme="${DMENU_COLOR_PASS}"
			prefix="${PASSWORD_STORE_DIR}"
			suffix="${PASSWORD_STORE_EXT}"
			shift
		elif [[ $arg == "--notes" ]]; then
			color_scheme="${DMENU_COLOR_NOTES}"
			prefix="${PERSONAL_NOTES_DIR}"
			suffix="${PERSONAL_NOTES_EXT}"
			shift
		elif [[ $arg == "--apps" ]]; then
			color_scheme="${DMENU_COLOR_APPS}"
			prefix="${DESKTOP_APPS_DIR}"
			suffix="${DESKTOP_APPS_EXT}"
			shift
		else
			msg_usage_error
		fi
	done
}

check_requirements() {
	for dir_name in "${PASSWORD_STORE_DIR}" "${PERSONAL_NOTES_DIR}" "${DESKTOP_APPS_DIR}"
	do
		if [ ! -d "${dir_name}" ] ; then
			echo "$(date +%Y-%m-%d): ERROR - Directory '${dir_name}' not found! Exiting!"
			exit 1
		fi
	done

	for UTIL in $REQUIREMENTS
	do
		command -v "$UTIL" &> /dev/null || msg_missed_req
	done
}

msg_missed_req() {
	echo "$(date +%Y-%m-%d): ERROR - Required util '${UTIL}' not found! Exiting!" 
	exit 1
}

msg_usage_error() {
	printf "ERROR - You did not specify a valid argument. Exiting! 
The following arguments are available:
	
  --pass  : Chooses a password from password vault
  --notes : Open a personal note with gedit
  --apps  : Quick launches a desktop application with exo-open\n\n"
	exit 1
}

#-------------------------------------------------------------------------------
# Main
#-------------------------------------------------------------------------------

main "$@"

#-------------------------------------------------------------------------------
# EOF
#-------------------------------------------------------------------------------