dotfiles/gopass/.local/bin/rofi-gopass

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#!/usr/bin/env bash
#
# Original inspiration from https://github.com/carnager/rofi-pass/
# selector wrapper
# uses rofi if found, or dmenu if found, complains if no selector available
# passes along any options given to main script
rofi_opts=("$@")
_rofi() {
if type rofi 1>/dev/null 2>/dev/null; then
rofi -dmenu -no-auto-select -i "${rofi_opts[@]}" "$@" -p "Entry"
elif type dmenu 1>/dev/null 2>/dev/null; then
dmenu -i "${rofi_opts[@]}" "$@" -p "Entry"
else
exist rofi critical "rofi-gopass" || exit 0
fi
}
# parse, see https://unix.stackexchange.com/a/331965/8541
_parse_config() {
(grep -E "^$2=" -m 1 "$1" 2>/dev/null || printf "VAR=__UNDEFINED__\n") | head -n1 | cut -d '=' -f 2-
}
# read config file
get_config() {
local locations=(
"$RGP_CONFIGURATION_FILE"
"${XDG_CONFIG_HOME:-$HOME/.config}/rofi-gopass/rofi-gopass.conf"
"$HOME/.rofi-gopass.conf"
"/etc/rofi-gopass.conf"
)
# return the first config file with a valid path
for config in "${locations[@]}"; do
if [[ -n "$config" && -f "$config" ]]; then
# see if the config has been given a value
local val
val="$(_parse_config "$config" "$1")"
break
fi
done
# if there was a config file but no value
# or there was no config file at all
if [ "$val" = "__UNDEFINED__" ] || [ -z "$val" ]; then
val="$2"
fi
printf -- "%s" "$val"
}
set_defaults() {
# The location of the rofi-gopass config file
# ROFI_PASS_CONFIGURATION_FILE="~/.config/rofi-gopass"
# set options, leaving already set environment variables intact
# try to read any settings from config files
KEY_AUTOFILL="${RGP_KEY_AUTOFILL:-$(get_config KEY_AUTOFILL Return)}"
KEY_ENTRY_OPEN="${RGP_KEY_ENTRY_OPEN:-$(get_config KEY_ENTRY_OPEN Alt+Return)}"
KEY_FILL_USER="${RGP_KEY_FILL_USER:-$(get_config KEY_FILL_USER Alt+u)}"
KEY_CLIP_USER="${RGP_KEY_CLIP_USER:-$(get_config KEY_CLIP_USER Ctrl+Alt+u)}"
KEY_FILL_PASS="${RGP_KEY_FILL_PASS:-$(get_config KEY_FILL_PASS Alt+p)}"
KEY_CLIP_PASS="${RGP_KEY_CLIP_PASS:-$(get_config KEY_CLIP_PASS Ctrl+Alt+p)}"
KEY_ENTRYMENU_FILL="${RGP_KEY_ENTRYMENU_FILL:-$(get_config KEY_ENTRYMENU_FILL Return)}"
KEY_ENTRYMENU_CLIP="${RGP_KEY_ENTRYMENU_CLIP:-$(get_config KEY_ENTRYMENU_CLIP Alt+Return)}"
KEY_ENTRYMENU_QUIT="${RGP_KEY_ENTRYMENU_QUIT:-$(get_config KEY_ENTRYMENU_QUIT Alt+BackSpace)}"
AUTOFILL_BACKEND="${RGP_BACKEND:-$(get_config AUTOFILL_BACKEND xdotool)}"
AUTOFILL_CHAIN="${RGP_AUTOENTRY_CHAIN:-$(get_config AUTOFILL_CHAIN 'username :tab password')}"
AUTOFILL_DELAY="${RGP_AUTOENTRY_DELAY:-$(get_config AUTOFILL_DELAY 30)}"
GOPASS_USERNAME_FIELD="${RGP_GOPASS_USERNAME_FIELD:-$(get_config GOPASS_USERNAME_FIELD 'username user login')}"
}
# exit on escape pressed
# rofi returns exit code 1 on esc
exit_check() {
[ "$1" -eq 1 ] && exit
}
# simply return a list of all passwords in gopass store
# TODO choose password store
# TODO only show website names (+ folder names), and account names for multiple accounts on one site
list_passwords() {
gopass list --flat
}
# return password for argument passed
show_password() {
gopass show -f --password "$1"
}
# send password to clipboard
clip_password() {
gopass show -c "$1"
}
# attempt to return the field specified
# attempts all (space separated) fields until the
# first one successfully returned
_gp_get_field() {
local gp_entry="$1"
local gp_field="$2"
local clip="$3"
for key in $gp_field; do
# return on first successfully returned key
if [ -n "$clip" ]; then
gopass show -c "$gp_entry" "$key" && break
else
gopass show -f "$gp_entry" "$key" && break
fi
done
}
# return username for argument passed
show_username() {
_gp_get_field "$1" "${GOPASS_USERNAME_FIELD}"
}
clip_username() {
_gp_get_field "$1" "${GOPASS_USERNAME_FIELD}" "-c"
}
show_field() {
_gp_get_field "$1" "$2"
}
clip_field() {
_gp_get_field "$1" "$2" "-c"
}
list_fields() {
gopass show -f "$1" | tail -n+2
}
# invoke the dotool to type inputs
_type() {
local tool="${AUTOFILL_BACKEND}"
local toolmode="$1"
local key="$2"
"$tool" "$toolmode" --delay "${AUTOFILL_DELAY}" "$key"
}
# automatically fill out fields
# transform special chain entries into valid dotool commands
autofill() {
local selected="${1}"
local autoentry_chain="${2}"
for part in $autoentry_chain; do
case "$part" in
":tab") _type key Tab ;;
":return") _type key Return ;;
":space") _type key space ;;
"username") _type type "$(show_username "$selected")" ;;
"password") _type type "$(show_password "$selected")" ;;
":direct") _type type "$selected" ;;
*) printf '%s' "$selected" ;;
esac
done
}
# opens a menu for the specified gopass entry, containing its individual fields
entrymenu() {
local entry="$1"
local k_entrymenu_fill="${KEY_ENTRYMENU_FILL}"
local k_entrymenu_clip="${KEY_ENTRYMENU_CLIP}"
local k_entrymenu_quit="${KEY_ENTRYMENU_QUIT}"
local pass_obfuscation="(hidden)"
local field
field=$(
printf "password: %s\n%s" "$pass_obfuscation" "$(list_fields "$entry")" |
_rofi \
-kb-accept-entry "" \
-kb-custom-1 "$k_entrymenu_fill" \
-kb-custom-2 "$k_entrymenu_clip" \
-kb-custom-3 "$k_entrymenu_quit" \
-mesg " ᐊ $k_entrymenu_quit ᐊ | $k_entrymenu_fill: fill selection | $k_entrymenu_clip: clip selection |"
)
exit_value=$?
exit_check "$exit_value"
# get field name
field=${field%%:*}
case "$exit_value" in
"10")
if [ "$field" = "password" ]; then
autofill "$entry" "password"
else
autofill "$(show_field "$entry" "$field")" ":direct"
fi
exit 0
;;
"11")
if [ "$field" = "password" ]; then
clip_password "$entry"
else
clip_field "$entry" "$field"
fi
exit 0
;;
"12")
main
;;
esac
}
main() {
local autoentry_chain="${AUTOFILL_CHAIN}"
local k_autofill="${KEY_AUTOFILL}"
local k_fill_user="${KEY_FILL_USER}"
local k_clip_user="${KEY_CLIP_USER}"
local k_fill_pass="${KEY_FILL_PASS}"
local k_clip_pass="${KEY_CLIP_PASS}"
local k_submenu="${KEY_ENTRY_OPEN}"
entry="$(
list_passwords |
_rofi -kb-accept-entry "" \
-kb-custom-1 "$k_autofill" \
-kb-custom-2 "$k_clip_user" \
-kb-custom-3 "$k_clip_pass" \
-kb-custom-4 "$k_fill_user" \
-kb-custom-5 "$k_fill_pass" \
-kb-custom-6 "$k_submenu" \
-mesg "| $k_autofill: fill credentials | $k_submenu: open entry | $k_fill_user: fill username | $k_fill_pass: fill password | $k_clip_user: clip username | $k_clip_pass: clip password |"
)"
exit_value=$?
exit_check "$exit_value"
case "$exit_value" in
"10")
autofill "$entry" "$autoentry_chain"
exit 0
;;
"11")
clip_username "$entry"
exit 0
;;
"12")
clip_password "$entry"
exit
;;
"13")
autofill "$entry" "username"
exit
;;
"14")
autofill "$entry" "password"
exit
;;
"15")
entrymenu "$entry"
exit
;;
esac
}
set_defaults
main