#!/bin/bash
#  _____               _           _
# |   __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# |   __|  _| -_| -_| . | . |     | . | . |   | -_|
# |__|  |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
#                              Freedom in the Cloud
#
# monkeysphere functions
#
# License
# =======
#
# Copyright (C) 2014-2018 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

function install_monkeysphere {
    if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
        return
    fi
    apt-get -yq install monkeysphere msva-perl
    #su -c "monkeysphere gen-subkey $MY_GPG_PUBLIC_KEY_ID" - $MY_USERNAME
    mkdir "/home/$MY_USERNAME/.monkeysphere"
    chmod 755 "/home/$MY_USERNAME/.monkeysphere"
    echo "$MY_NAME <${MY_EMAIL_ADDRESS}>" > "/home/$MY_USERNAME/.monkeysphere/authorized_user_ids"
    chmod 644 "/home/$MY_USERNAME/.monkeysphere/authorized_user_ids"
    chown -R "$MY_USERNAME":"$MY_USERNAME" "/home/$MY_USERNAME/.monkeysphere"
    monkeysphere-authentication update-users

    if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
        echo $'monkeysphere import: ssh host key not found'
        exit 76295
    fi
    monkeysphere-host import-key /etc/ssh/ssh_host_rsa_key "ssh://$DEFAULT_DOMAIN_NAME"
    SSH_ONION_HOSTNAME=$(grep 'ssh onion domain' "${COMPLETION_FILE}" | awk -F ':' '{print $2}')
    monkeysphere-host import-key /etc/ssh/ssh_host_rsa_key "ssh://$SSH_ONION_HOSTNAME"

    if [ ! "$MY_GPG_PUBLIC_KEY_ID" ]; then
        MY_GPG_PUBLIC_KEY_ID=$(gpg_pubkey_from_email "$MY_USERNAME" "$MY_USERNAME@$HOSTNAME")
        if [ ${#MY_GPG_PUBLIC_KEY_ID} -lt 4 ]; then
            echo $"monkeysphere unable to get GPG key ID for user $MY_USERNAME@$HOSTNAME"
            exit 52825
        fi
    fi
    # The admin user is the identity certifier
    fpr=$(gpg --with-colons --fingerprint "$MY_GPG_PUBLIC_KEY_ID" | grep fpr | head -n 1 | awk -F ':' '{print $10}')
    monkeysphere-authentication add-identity-certifier "$fpr"

    mark_completed "${FUNCNAME[0]}"
}

# NOTE: deliberately no exit 0