#!/bin/bash
SDIR=$(dirname "$(readlink -f "$0")") || exit
DIR=$(dirname "$SDIR") || exit
source $SDIR/library
CONF=$DIR/conf/${1:-caddy}.conf
get-caddy-name # this sets $CADDY_BIN
BIN=$DIR/bin/$CADDY_BIN
echo running caddy $BIN
[ ! -f "$BIN" ] && echo binary file $BIN does not exist && exit 1
[ ! -x "$BIN" ] && echo binary file $BIN is not executable && exit 1
[ ! -f "$CONF" ] && echo no configuration file $CONF && exit 1
if [ $INVOCATION_ID ]; then
echo running under systemd service
else
  CAP="cap_net_bind_service+eip"
  ISSET=$(getcap $BIN | grep $CAP )
  echo before $ISSET
  if [ ! "$ISSET" ]; then
  echo binary not set for binding port 80 by non-root users, attempting to set
  sudo setcap $CAP $BIN
  ISSET=$(getcap $BIN | grep $CAP)
  echo after $ISSET
  [ ! "$ISSET" ] && echo unable to set port binding && exit 1
fi
fi
echo $BIN run --config $CONF --adapter caddyfile
set-env $DIR/env
su -c "for f in $DIR/env/*.env; do source $f; done && $BIN run --config $CONF --adapter caddyfile" - caddy