#!/bin/bash
set -e 

force=$1

function safe_copy () {
    if [[ "$force" == "True" ]]; then
        sudo yunohost service safecopy \
          -s rmilter $1 $2 --force
    else
        sudo yunohost service safecopy \
          -s rmilter $1 $2
    fi
}

cd /usr/share/yunohost/templates/rmilter

# Copy Rmilter configuration
safe_copy rmilter.conf /etc/rmilter.conf

# Override socket configuration
safe_copy rmilter.socket /etc/systemd/system/rmilter.socket

# Create the PID directory
sudo mkdir -p /run/rmilter
sudo chown -hR _rmilter: /run/rmilter

# Create DKIM key for each YunoHost domain
sudo mkdir -p /etc/dkim
domain_list=$(sudo yunohost domain list --output-as plain)

for domain in $domain_list; do
    [ -f /etc/dkim/$domain.mail.key ] \
      || (sudo opendkim-genkey --domain=$domain \
                               --selector=mail\
                               --directory=/etc/dkim \
          && sudo mv /etc/dkim/mail.private /etc/dkim/$domain.mail.key \
          && sudo mv /etc/dkim/mail.txt /etc/dkim/$domain.mail.txt)

    sudo chown _rmilter /etc/dkim/$domain.mail.key
    sudo chmod 400      /etc/dkim/$domain.mail.key
done

# Reload systemd daemon and stop rmilter service to take into account the
# new configuration. It will be started again by the socket as needed.
sudo systemctl daemon-reload
sudo systemctl stop rmilter.service 2>&1 || true