#!/bin/bash
# This is the entry point for configuring the system.
#####################################################

source setup/functions.sh # load our functions

# Check system setup: Are we running as root on Ubuntu 14.04 on a
# machine with enough memory? If not, this shows an error and exits.
source setup/preflight.sh

# Ensure Python reads/writes files in UTF-8. If the machine
# triggers some other locale in Python, like ASCII encoding,
# Python may not be able to read/write files. Here and in
# the management daemon startup script.

if [ -z `locale -a | grep en_US.utf8` ]; then
	# Generate locale if not exists
	hide_output locale-gen en_US.UTF-8
fi

export LANGUAGE=en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LC_TYPE=en_US.UTF-8

# Recall the last settings used if we're running this a second time.
if [ -f /etc/mailinabox.conf ]; then
	# Run any system migrations before proceeding. Since this is a second run,
	# we assume we have Python already installed.
	setup/migrate.py --migrate

	# Load the old .conf file to get existing configuration options loaded
	# into variables with a DEFAULT_ prefix.
	cat /etc/mailinabox.conf | sed s/^/DEFAULT_/ > /tmp/mailinabox.prev.conf
	source /tmp/mailinabox.prev.conf
	rm -f /tmp/mailinabox.prev.conf
fi

# Put a start script in a global location. We tell the user to run 'mailinabox'
# in the first dialog prompt, so we should do this before that starts.
cat > /usr/local/bin/mailinabox << EOF;
#!/bin/bash
cd `pwd`
source setup/start.sh
EOF
chmod +x /usr/local/bin/mailinabox

# Start configuration
source setup/configure.sh

# Start service installation.
source setup/system.sh
source setup/ssl.sh
source setup/dns.sh
source setup/mail-postfix.sh
source setup/mail-dovecot.sh
source setup/mail-users.sh
source setup/dkim.sh
source setup/spamassassin.sh
source setup/web.sh
source setup/webmail.sh
source setup/owncloud.sh
source setup/zpush.sh
source setup/management.sh

# In Docker, sysvinit services are started automatically. Runit services
# aren't started until after this setup script finishes. But we need
# Dovecot (which is Upstart-only) running in order to create the first
# mail user. So start dovecot now.
if [ ! -z "$IS_DOCKER" ]; then
	/usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
fi

# Ping the management daemon to write the DNS and nginx configuration files.
until nc -z -w 4 localhost 10222
do
	echo Waiting for the Mail-in-a-Box management daemon to start...
	sleep 2
done
tools/dns_update
tools/web_update

# If there aren't any mail users yet, create one.
source setup/firstuser.sh

# Done.
echo
echo "-----------------------------------------------"
echo
echo Your Mail-in-a-Box is running.
echo
echo Please log in to the control panel for further instructions at:
echo
if management/status_checks.py --check-primary-hostname; then
	# Show the nice URL if it appears to be resolving and has a valid certificate.
	echo https://$PRIMARY_HOSTNAME/admin
	echo
	echo If you have a DNS problem use the box\'s IP address and check the SSL fingerprint:
	echo https://$PUBLIC_IP/admin
else
	echo https://$PUBLIC_IP/admin
	echo
	echo You will be alerted that the website has an invalid certificate. Check that
	echo the certificate fingerprint matches:
	echo
fi
openssl x509 -in $STORAGE_ROOT/ssl/ssl_certificate.pem -noout -fingerprint \
		| sed "s/SHA1 Fingerprint=//"
echo
echo Then you can confirm the security exception and continue.
echo