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#!/usr/bin/env sh
# pgp-wkd - A web key directory for pgp-keys
#
# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
# SPDX-License-Identifier: CC-BY-SA-4.0
#
# This file is part of pgp-wkd.
#
# You should have received a copy of the License along with this program.
# If not, see <https://creativecommons.org/licenses/by-sa/4.0/legalcode.txt>.
die() {
echo "$@"
exit 1
}
help() {
cat <<EOF
A helper script to add an gpg key to the wkd.
USAGE:
mk_key KEY_ID KEY_EMAIL_DOMAIN KEY_HASH
OPTIONS:
--help | -h
Display this help and exit.
ARGUMENTS:
KEY_ID := [[ gpg --list-keys --with-colons | awk -F: '/^uid:/ { print \$10 }' ]]
The key to use, as specified by the key id.
KEY_EMAIL_DOMAIN
The email domain of this key. For example 'key@example.org' would
have an KEY_EMAIL_DOMAIN of 'example.org'.
KEY_HASH
This is the hashed name of the key as specified in the WKD spec.
Get this by running: 'gpg --with-wkd-hash --list-keys <KEY_ID>'.
EOF
}
add() {
key_id="$1"
key_email="$2"
key_hash="$3"
cd "$(git rev-parse --show-toplevel)" || die "No source dir!"
dir="./src/.well-known/openpgpkey/$key_email/hu"
full_key_id="$(gpg --list-keys --with-colons "$key_id" | awk -F: '/^uid:/ { print $10 }' | tail -n 1)"
mkdir --parents "$dir"
gpg --no-armor --export "$key_id" >"$dir/$key_hash" &&
printf "%s%s%s%s\n" '`' "$dir/$key_hash" '`' " -> $full_key_id" >>stored_keys.md &&
echo "Key export done!"
}
for arg in "$@"; do
case "$arg" in
"--help" | "-h")
help
exit 0
;;
esac
done
key_id="$1"
key_email="$2"
key_hash="$3"
shift 3
[ -z "$key_id" ] && die "No KEY_ID specified, see '--help'!"
[ -z "$key_email" ] && die "No KEY_EMAIL_DOMAIN specified, see '--help'!"
[ -z "$key_hash" ] && die "No KEY_HASH specified, see '--help'!"
[ -n "$*" ] && die "The arguments '$*' are not recognized; see '--help' for a list!"
add "$key_id" "$key_email" "$key_hash"
# vim: ft=sh
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