myos/docker/x2go/xfce-debian/authorized_keys.sh

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#!/bin/sh
[ -n "${DEBUG}" ] && set -x
set -eu
user=${1:-${USER}}
domain=${USER/*@}
[ -f "/home/${user}/.ssh/authorized_keys" ] \
&& authorized_keys=$(cat "/home/${user}/.ssh/authorized_keys" 2>/dev/null)
if [ -n "${authorized_keys:-}" ]; then
echo "${authorized_keys:-}"
elif [ -n "${SSH_AUTHORIZED_KEYS:-}" ]; then
for host in ${SSH_AUTHORIZED_KEYS:-}; do
wget -qO - "${host}" 2>/dev/null && break
done
elif [ -n "${user}" ]; then
# if no domain
if [ "${domain}" = "${user}" ]; then
for host in ${SSH_PUBLIC_HOSTS:-}; do
wget -qO - "https://${host}/${user}.keys" 2>/dev/null && break
done
else
exit 1
fi
fi