nix-config/pkgs/bw-pass/bw-pass
Bruno BELANYI 153f919485 pkgs: add bw-pass
Until `rbw` gets support for Yubikey 2FA, I still need a decent way to
query for my passwords on the command line...

This wrapper program should be good enough for basic usage with programs
that need a password command.
2021-05-22 23:49:57 +02:00

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#!/usr/bin/env bash
AUTO_LOCK=900 # 15min timeout by default
usage() {
printf '%s\n' "Usage: bw-pass [directory name] <account name>" >&2
}
prompt_pass() {
rofi -dmenu -password -no-fixed-num-lines -p "$1"
}
error_out() {
rofi -dmenu -no-fixed-num-lines -p "$1"
exit 1
}
login() {
local PASSWORD
PASSWORD="$(prompt_pass "Password")" || error_out "Cannot prompt password"
export BW_SESSION
BW_SESSION="$(bw unlock "$PASSWORD" --raw)" || error_out "Cannot unlock"
}
ensure_logged_in() {
# Use the same keyring as bitwarden-rofi for this
local KEY_ID
keyctl link @u @s
if ! KEY_ID="$(keyctl request user bw_session 2>/dev/null)"; then
login
KEY_ID="$(keyctl add user bw_session "$BW_SESSION" @u)"
fi
if [ "$AUTO_LOCK" -gt 0 ]; then
keyctl timeout "$KEY_ID" "$AUTO_LOCK"
fi
export BW_SESSION
BW_SESSION="$(keyctl pipe "$KEY_ID")"
keyctl unlink @u @s
}
query_password() {
# Either use with `query_password <directory> <account name>
# Or `query_password <account name>` when the account has no directory
local FOLDER_ID
local PASSWORD
if [ $# -eq 2 ]; then
FOLDER_ID="$(bw list folders |
jq '.[] | select(.name == "'"$1"'") | .id' |
cut -d'"' -f2)"
shift
else
FOLDER_ID=null
fi
PASSWORD="$(bw list items --folderid "$FOLDER_ID" |
jq '.[] | select(.name == "'"$1"'") | .login.password' |
cut -d'"' -f2)"
if [ -z "$PASSWORD" ]; then
error_out "Did not find password for '$1'"
fi
printf '%s\n' "$PASSWORD"
}
if [ $# -lt 1 ] || [ $# -gt 2 ]; then
usage
exit 1
fi
ensure_logged_in
query_password "$@"