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#!/bin/sh
# Start bokftui with a credential fetched from a Bitwarden/Vaultwarden item.
# Runs entirely as the invoking user — no root, no sudo.
#
# BOKF_BW_ITEM item name (default: bokf)
# BOKF_BW_FIELD custom field that holds the secret (default: the password)
# BOKF_BW_KIND password (default) exports BOKFD_PASSWORD;
# token exports BOKFD_TOKEN
#
# Works with the official Bitwarden CLI (bw) or with rbw. With bw the session
# key is cached in ~/.cache/bokf/bw-session (mode 0600) so the master password
# is only asked when the session expires or after a logout.
set -eu
item="${BOKF_BW_ITEM:-bokf}"
field="${BOKF_BW_FIELD:-}"
kind="${BOKF_BW_KIND:-password}"
BOKFTUI="${BOKFTUI:-bokftui}"
if command -v rbw >/dev/null 2>&1; then
if ! rbw unlocked >/dev/null 2>&1; then
rbw unlock
fi
if [ -n "$field" ]; then
secret=$(rbw get --field "$field" "$item")
else
secret=$(rbw get "$item")
fi
elif command -v bw >/dev/null 2>&1; then
# The SDK's WASM crypto needs the Web Crypto global; Node < 19 only has
# it with this flag. Probe with a local command instead of guessing.
if ! bw generate -uln --length 1 >/dev/null 2>&1; then
NODE_OPTIONS="${NODE_OPTIONS:-} --experimental-global-webcrypto"
export NODE_OPTIONS
fi
umask 077
cache="${XDG_CACHE_HOME:-$HOME/.cache}/bokf/bw-session"
if [ -f "$cache" ]; then
BW_SESSION=$(cat "$cache")
export BW_SESSION
fi
if ! bw status 2>/dev/null | jq -e '.status == "unlocked"' >/dev/null 2>&1
then
mkdir -p "$(dirname "$cache")"
BW_SESSION=$(bw unlock --raw)
export BW_SESSION
printf '%s\n' "$BW_SESSION" > "$cache"
fi
if [ -n "$field" ]; then
secret=$(bw get item "$item" | jq -r --arg f "$field" \
'.fields[]? | select(.name == $f) | .value' | head -n 1)
else
secret=$(bw get password "$item")
fi
else
echo "bokftui-bw: install rbw or the Bitwarden CLI (bw)" >&2
exit 1
fi
if [ -z "$secret" ] || [ "$secret" = "null" ]; then
echo "bokftui-bw: no secret named '$field' in item '$item'" >&2
exit 1
fi
case "$kind" in
token)
BOKFD_TOKEN="$secret"
export BOKFD_TOKEN
;;
password)
BOKFD_PASSWORD="$secret"
export BOKFD_PASSWORD
;;
*)
echo "bokftui-bw: BOKF_BW_KIND must be password or token" >&2
exit 1
;;
esac
exec "$BOKFTUI" "$@"
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