#!/bin/bash
#
# Copyright 2014,2015,2016,2017,2018,2019,2020 Security Onion Solutions, LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Figure out if this is soup or refresh
if [ -z "$VERSION" ]; then
    VERSION="$NEWVERSION"
fi

container_list() {
    MANAGERCHECK=$(cat /etc/salt/grains | grep role | awk '{print $2}')
    if [ $MANAGERCHECK == 'so-import' ]; then
        TRUSTED_CONTAINERS=( \
        "so-idstools" \
        "so-nginx" \
        "so-filebeat" \
        "so-suricata" \
        "so-soc" \
        "so-elasticsearch" \
        "so-kibana" \
        "so-kratos" \
        "so-suricata" \
        "so-registry" \
        "so-pcaptools" \
        "so-zeek" )
    elif [ $MANAGERCHECK != 'so-helix' ]; then
        TRUSTED_CONTAINERS=( \
        "so-acng" \
        "so-thehive-cortex" \
        "so-curator" \
        "so-domainstats" \
        "so-elastalert" \
        "so-elasticsearch" \
        "so-filebeat" \
        "so-fleet" \
        "so-fleet-launcher" \
        "so-freqserver" \
        "so-grafana" \
        "so-idstools" \
        "so-influxdb" \
        "so-kibana" \
        "so-kratos" \
        "so-logstash" \
        "so-minio" \
        "so-mysql" \
        "so-nginx" \
        "so-pcaptools" \
        "so-playbook" \
        "so-redis" \
        "so-soc" \
        "so-soctopus" \
        "so-steno" \
        "so-strelka-frontend" \
        "so-strelka-manager" \
        "so-strelka-backend" \
        "so-strelka-filestream" \
        "so-suricata" \
        "so-telegraf" \
        "so-thehive" \
        "so-thehive-es" \
        "so-wazuh" \
        "so-zeek" )
    else
        TRUSTED_CONTAINERS=( \
        "so-filebeat" \
        "so-idstools" \
        "so-logstash" \
        "so-nginx" \
        "so-redis" \
        "so-steno" \
        "so-suricata" \
        "so-telegraf" \
        "so-zeek" )
    fi
}

update_docker_containers() {
  # Let's make sure we have the public key
  curl -sSL https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS | gpg --import -
  
  CONTAINER_REGISTRY=quay.io
  SIGNPATH=/root/sosigs
  rm -rf $SIGNPATH
  mkdir -p $SIGNPATH
  if [ -z "$BRANCH" ]; then
    BRANCH="master"
  fi
  # Download the containers from the interwebs
  for i in "${TRUSTED_CONTAINERS[@]}"
  do
    # Pull down the trusted docker image
    echo "Downloading $i"
    docker pull $CONTAINER_REGISTRY/$IMAGEREPO/$i:$VERSION
    
    # Get signature
    curl https://sigs.securityonion.net/$VERSION/$i:$VERSION.sig --output $SIGNPATH/$i:$VERSION.sig
    if [[ $? -ne 0 ]]; then
      echo "Unable to pull signature file for $i:$VERSION"
      exit 1
    fi
    # Dump our hash values
    DOCKERINSPECT=$(docker inspect $CONTAINER_REGISTRY/$IMAGEREPO/$i:$VERSION)
       
    echo "$DOCKERINSPECT" | jq ".[0].RepoDigests[] | select(. | contains(\"$CONTAINER_REGISTRY\"))" > $SIGNPATH/$i:$VERSION.txt
    echo "$DOCKERINSPECT" | jq ".[0].Created, .[0].RootFS.Layers" >> $SIGNPATH/$i:$VERSION.txt
        
    if [[ $? -ne 0 ]]; then
      echo "Unable to inspect $i:$VERSION"
      exit 1
    fi
    GPGTEST=$(gpg --verify $SIGNPATH/$i:$VERSION.sig $SIGNPATH/$i:$VERSION.txt 2>&1)
    if [[ $? -eq 0 ]]; then
      # Tag it with the new registry destination
      docker tag $CONTAINER_REGISTRY/$IMAGEREPO/$i:$VERSION $HOSTNAME:5000/$IMAGEREPO/$i:$VERSION
      docker push $HOSTNAME:5000/$IMAGEREPO/$i:$VERSION
    else
      echo "There is a problem downloading the $i:$VERSION image. Details: "
      echo ""
      echo $GPGTEST
      exit 1
    fi
  done
  
}