#!/bin/bash
# Executable process script for daloRADIUS docker image:
# GitHub: git@github.com:lirantal/daloradius.git
DALORADIUS_PATH=/var/www/daloradius
DALORADIUS_CONF_PATH=/var/www/daloradius/app/common/includes/daloradius.conf.php


function init_daloradius {

    if ! test -f "$DALORADIUS_CONF_PATH" || ! test -s "$DALORADIUS_CONF_PATH"; then
        cp "$DALORADIUS_CONF_PATH.sample" "$DALORADIUS_CONF_PATH"
        chown www-data:www-data "$DALORADIUS_CONF_PATH"
    fi
    [ -n "$MYSQL_HOST" ] && sed -i "s/\$configValues\['CONFIG_DB_HOST'\] = .*;/\$configValues\['CONFIG_DB_HOST'\] = '$MYSQL_HOST';/" $DALORADIUS_CONF_PATH || MYSQL_HOST=localhost
    [ -n "$MYSQL_PORT" ] && sed -i "s/\$configValues\['CONFIG_DB_PORT'\] = .*;/\$configValues\['CONFIG_DB_PORT'\] = '$MYSQL_PORT';/" $DALORADIUS_CONF_PATH
    [ -n "$MYSQL_PASSWORD" ] && sed -i "s/\$configValues\['CONFIG_DB_PASS'\] = .*;/\$configValues\['CONFIG_DB_PASS'\] = '$MYSQL_PASSWORD';/" $DALORADIUS_CONF_PATH || MYSQL_PASSWORD=radpass
    [ -n "$MYSQL_USER" ] && sed -i "s/\$configValues\['CONFIG_DB_USER'\] = .*;/\$configValues\['CONFIG_DB_USER'\] = '$MYSQL_USER';/" $DALORADIUS_CONF_PATH || MYSQL_USER=raduser
    [ -n "$MYSQL_DATABASE" ] && sed -i "s/\$configValues\['CONFIG_DB_NAME'\] = .*;/\$configValues\['CONFIG_DB_NAME'\] = '$MYSQL_DATABASE';/" $DALORADIUS_CONF_PATH || MYSQL_DATABASE=raddb
    sed -i "s/\$configValues\['FREERADIUS_VERSION'\] = .*;/\$configValues\['FREERADIUS_VERSION'\] = '3';/" $DALORADIUS_CONF_PATH
    [ -n "$PASSWORD_MIN_LENGTH" ] && sed -i "s/\$configValues\['CONFIG_DB_PASSWORD_MIN_LENGTH'\] = .*;/\$configValues\['CONFIG_DB_PASSWORD_MIN_LENGTH'\] = '$PASSWORD_MIN_LENGTH';/" $DALORADIUS_CONF_PATH
    [ -n "$PASSWORD_MAX_LENGTH" ] && sed -i "s/\$configValues\['CONFIG_DB_PASSWORD_MAX_LENGTH'\] = .*;/\$configValues\['CONFIG_DB_PASSWORD_MAX_LENGTH'\] = '$PASSWORD_MAX_LENGTH';/" $DALORADIUS_CONF_PATH

    [ -n "$DEFAULT_FREERADIUS_SERVER" ] \
        && sed -i "s/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSERVER'\] = .*;/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSERVER'\] = '$DEFAULT_FREERADIUS_SERVER';/" $DALORADIUS_CONF_PATH \
        || sed -i "s/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSERVER'\] = .*;/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSERVER'\] = 'radius';/" $DALORADIUS_CONF_PATH
    [ -n "$DEFAULT_FREERADIUS_PORT" ] && sed -i "s/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSPORT'\] = .*;/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSPORT'\] = '$DEFAULT_FREERADIUS_PORT';/" $DALORADIUS_CONF_PATH
    [ -n "$DEFAULT_CLIENT_SECRET" ] && sed -i "s/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSECRET'\] = .*;/\$configValues\['CONFIG_MAINT_TEST_USER_RADIUSSECRET'\] = '$DEFAULT_CLIENT_SECRET';/" $DALORADIUS_CONF_PATH

    [ -n "$MAIL_SMTPADDR" ] && sed -i "s/\$configValues\['CONFIG_MAIL_SMTPADDR'\] = .*;/\$configValues\['CONFIG_MAIL_SMTPADDR'\] = '$MAIL_SMTPADDR';/" $DALORADIUS_CONF_PATH
    [ -n "$MAIL_PORT" ] && sed -i "s/\$configValues\['CONFIG_MAIL_SMTPPORT'\] = .*;/\$configValues\['CONFIG_MAIL_SMTPPORT'\] = '$MAIL_PORT';/" $DALORADIUS_CONF_PATH
    [ -n "$MAIL_FROM" ] && sed -i "s/\$configValues\['CONFIG_MAIL_SMTPFROM'\] = .*;/\$configValues\['CONFIG_MAIL_SMTPFROM'\] = '$MAIL_FROM';/" $DALORADIUS_CONF_PATH
    [ -n "$MAIL_AUTH" ] && sed -i "s/\$configValues\['CONFIG_MAIL_SMTPAUTH'\] = .*;/\$configValues\['CONFIG_MAIL_SMTPAUTH'\] = '$MAIL_AUTH';/" $DALORADIUS_CONF_PATH
    sed -i "s/\$configValues\['CONFIG_LOG_FILE'\] = .*;/\$configValues\['CONFIG_LOG_FILE'\] = '\/tmp\/daloradius.log';/" $DALORADIUS_CONF_PATH

    echo "daloRADIUS initialization completed."
}

function init_database {
    mysql -u root -p"$MYSQL_ROOT_PASSWORD" -e "CREATE DATABASE $MYSQL_DATABASE;"
    mysql -u root -p"$MYSQL_ROOT_PASSWORD" -e "CREATE USER '$MYSQL_USER'@'localhost' IDENTIFIED BY '$MYSQL_PASSWORD';"
    mysql -u root -p"$MYSQL_ROOT_PASSWORD" -e "GRANT ALL PRIVILEGES ON $MYSQL_DATABASE.* TO '$MYSQL_USER'@'localhost'";
    mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE" < $DALORADIUS_PATH/contrib/db/mariadb-daloradius.sql
    echo "Database initialization for daloRADIUS completed."
}

echo "Starting daloRADIUS..."

INIT_LOCK=/data/.init_done
if test -f "$INIT_LOCK"; then
    #
    if ! test -f "$DALORADIUS_CONF_PATH" || ! test -s "$DALORADIUS_CONF_PATH"; then
        echo "Init lock file exists but config file does not exist or is 0 bytes, performing initial setup of daloRADIUS."
        init_daloradius
    fi
    echo "Init lock file exists and config file exists, skipping initial setup of daloRADIUS."
else
    init_daloradius
    date > $INIT_LOCK
fi

# wait for MySQL-Server to be ready
echo -n "Waiting for mysql ($MYSQL_HOST)..."
while ! mysqladmin ping -h"$MYSQL_HOST" -p"$MYSQL_PASSWORD" --silent; do
    sleep 20
done
echo "ok"

DB_LOCK=/data/.db_init_done
if test -f "$DB_LOCK"; then
    echo "Database lock file exists, skipping initial setup of mysql database."
else
    init_database
    date > $DB_LOCK
fi

# Start Apache2 in the foreground
/usr/sbin/apachectl -DFOREGROUND -k start