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#! /bin/sh
# This source code is released into the public domain.
. /usr/local/share/lfacme/init.sh
# begin, done or failed
ACTION=$1
# ACME method, must be http-01.
METHOD=$2
# The full domain name we're authorising.
DOMAIN=$3
# Token name.
TOKEN=$4
# The token value we need to create.
AUTH=$5
if [ "$#" -ne 5 ]; then
_fatal "missing arguments"
fi
if [ "$METHOD" != "http-01" ]; then
exit 1
fi
if [ -z "$ACME_HTTP_CHALLENGE_DIR" ]; then
_fatal "must set ACME_HTTP_CHALLENGE_DIR"
fi
if ! [ -d "$ACME_HTTP_CHALLENGE_DIR" ]; then
_fatal "missing $ACME_HTTP_CHALLENGE_DIR"
fi
_file="${ACME_HTTP_CHALLENGE_DIR}/${TOKEN}"
case "$ACTION" in
begin)
_verbose "creating validation token %s" "$_file"
echo "$AUTH" >"$_file"
exit $?
;;
done|failed)
_verbose "deleting validation token %s" "$_file"
rm -f "$_file"
exit $?
;;
*)
_fatal "unknown action: %s" "$ACTION"
;;
esac
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