#!/bin/bash

export DEBIAN_FRONTEND=noninteractive
export LC_ALL=C
export LANG=en_US.UTF-8
export LC_CTYPE=en_US.UTF-8

#Generate Mysql root password.
root_mysql_pass=$(openssl rand -hex 24)
admin_mysql_pass=$(openssl rand -hex 24)
app_mysql_pass=$(openssl rand -hex 24)
debian_sys_maint_mysql_pass=$(openssl rand -hex 24)
blowfish_secret=$(openssl rand -hex 48)

# Save the passwords
cat > /root/.digitalocean_password <<EOM
root_mysql_pass="${root_mysql_pass}"
admin_mysql_pass="${admin_mysql_pass}"
app_mysql_pass="${app_mysql_pass}"
EOM

# Set the password
mysqladmin -u root -h localhost create phpmyadmin
mysqladmin -u root -h localhost password ${root_mysql_pass}

mysql -uroot -p${root_mysql_pass} \
      -e "CREATE USER 'admin'@'localhost' IDENTIFIED BY '${admin_mysql_pass}'"

mysql -uroot -p${root_mysql_pass} \
      -e "GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' WITH GRANT OPTION"

mysql -uroot -p${root_mysql_pass} \
      -e "CREATE USER 'phpmyadminapp'@'localhost' IDENTIFIED BY '${app_mysql_pass}'"

mysql -uroot -p${root_mysql_pass} \
      -e "GRANT ALL PRIVILEGES ON phymyadmin.* TO phpmyadminapp@localhost"

mysql -uroot -p${root_mysql_pass} \
      -e "ALTER USER 'debian-sys-maint'@'localhost' IDENTIFIED BY '${debian_sys_maint_mysql_pass}'"

cat >> /etc/mysql/mysql.conf.d/mysqld.cnf <<EOM
bind-address = 0.0.0.0
EOM


MYSQL_ROOT_PASSWORD=${root_mysql_pass}

SECURE_MYSQL=$(expect -c "
set timeout 10
spawn mysql_secure_installation
expect \"Enter current password for root (enter for none):\"
send \"$MYSQL_ROOT_PASSWORD\r\"
expect \"Change the root password?\"
send \"n\r\"
expect \"Remove anonymous users?\"
send \"y\r\"
expect \"Disallow root login remotely?\"
send \"y\r\"
expect \"Remove test database and access to it?\"
send \"y\r\"
expect \"Reload privilege tables now?\"
send \"y\r\"
expect eof
")

cat > /etc/mysql/debian.cnf <<EOM
# Automatically generated for Debian scripts. DO NOT TOUCH!
[client]
host     = localhost
user     = debian-sys-maint
password = ${debian_sys_maint_mysql_pass}
socket   = /var/run/mysqld/mysqld.sock
[mysql_upgrade]
host     = localhost
user     = debian-sys-maint
password = ${debian_sys_maint_mysql_pass}
socket   = /var/run/mysqld/mysqld.sock
EOM


systemctl restart mysql

# reconfigure phpMyAdmin
printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/db/app-user string phpmyadminapp \
    | debconf-set-selections

printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/mysql/admin-user string admin \
    | debconf-set-selections

printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/mysql/admin-user string admin \
    | debconf-set-selections


printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/mysql/app-pass password "${app_mysql_pass}" \
    | debconf-set-selections

printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/mysql/admin-pass password "${admin_mysql_pass}" \
    | debconf-set-selections

printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/reconfigure-webserver string apache2 \
    | debconf-set-selections

printf "%s\t%s\t%s\t%s\n" \
    phpmyadmin phpmyadmin/dbconfig-reinstall boolean true \
    | debconf-set-selections

dpkg-reconfigure --force  phpmyadmin

ln -sf /etc/phpmyadmin/apache.conf /etc/apache2/conf-enabled/phpmyadmin.conf

echo "\$cfg['blowfish_secret'] = '${blowfish_secret}' ;" >> /etc/phpmyadmin/config.inc.php
mkdir /usr/share/phpmyadmin/tmp
chown www-data.www-data /usr/share/phpmyadmin/tmp
echo "\$cfg['TempDir'] = '/usr/share/phpmyadmin/tmp'" >> /etc/phpmyadmin/config.inc.php

systemctl restart apache2

# Remove the ssh force logout command
sed -e '/Match User root/d' \
    -e '/.*ForceCommand.*droplet.*/d' \
    -i /etc/ssh/sshd_config

systemctl restart ssh