#!/usr/bin/env bash

set -o nounset

curl "https://git.sovransystems.com/Sovran_Systems/Software/raw/branch/main/Sovran_SystemsOS_Updater/Updater%20Source%20Files/Intro.md" |
zenity --text-info \
--title="Sovran_SystemsOS Updater" \
--width=1110 \
--height=710

if [[ $? -eq 1 ]]; then
     
   exit 1

else

rm -rf /home/free/.ssh/sovranpro_login

if [[ $? != 0 ]]; then
   echo "Could not delete Private Key -- exiting" >&2
   exit 1
fi

rm -rf /home/free/.ssh/sovranpro_login.pub

if [[ $? != 0 ]]; then
   echo "Could not delete Public Key -- exiting" >&2
   exit 1
fi


PASSWD=$(zenity --password --title="New Sovran Pro Updater Password")

ssh-keygen -q -N "$PASSWD" -t ed25519 -f /home/free/.ssh/sovranpro_login


if [[ $? != 0 ]]; then
   echo "Could create new Sovran Pro Login Keys -- exiting" >&2
   exit 1
fi


ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 'sed -i -e "0,/ssh-ed25519.*/{ s::$(cat /home/free/.ssh/sovranpro_login.pub): }" /root/.ssh/authorized_keys'

if [[ $? != 0 ]]; then
   echo "Could not write Sovran Pro Login Keys to Root .ssh -- exiting" >&2
   exit 1
fi

fi




# create backup folder

NOW=$(date '+%Y%m%d.%H%M%S') # default NOW string
BAKDIR=bak_${NOW}

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "cd /root/.ssh/agenix/; mkdir ${BAKDIR}"

if [[ $? != 0 ]]; then
   echo "Could not mkdir ${BAKDIR} -- exiting" >&2
   exit 1
fi

# move existing key material to backup folder

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "cd /root/.ssh/agenix/; mv agenix-secret-keys* ${BAKDIR}"

if [[ $? != 0 ]]; then
   echo "Could not move old files to ${BAKDIR} -- exiting" >&2
   exit 1
fi

# generate new keys

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 'ssh-keygen -q -N "" -t ed25519 -f /root/.ssh/agenix/agenix-secret-keys'

if [[ $? != 0 ]]; then
   echo "Could not recreate keys -- exiting" >&2
   exit 1
fi

# Send key.pub into agenix/secrets.nix


ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 'sed -i -e "0,/root.*/{s::root = $(cat /root/.ssh/agenix/agenix-secret-keys.pub):};s:root@nixos::" /var/lib/agenix-secrets/secrets.nix'

if [[ $? != 0 ]]; then
   echo "Could not write keys -- exiting" >&2
   exit 1
fi

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'
sed -i 's:\(root =[[:blank:]]*\)\(.*\):\1"\2";:' /var/lib/agenix-secrets/secrets.nix
EOF

if [[ $? != 0 ]]; then
   echo "Could not quote keys -- exiting" >&2
   exit 1
fi


#### DATABASES ####

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "echo -n $(pwgen -s 33 -1) > /var/lib/secrets/wordpressdb"

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "echo -n $(pwgen -s 33 -1) > /var/lib/secrets/matrixdb"

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "echo -n $(pwgen -s 33 -1) > /var/lib/secrets/nextclouddb"


if [[ $? != 0 ]]; then
   echo "Could not generate new passwords -- exiting" >&2
   exit 1
fi


#### Mysql

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

wp=$(cat /var/lib/secrets/wordpressdb)

sudo mysql -u root -e "SET PASSWORD FOR wpusr@localhost = PASSWORD('${wp}')";

sed -i "s:define( 'DB_PASSWORD'.*:define( 'DB_PASSWORD', '${wp}' );:" /var/lib/www/wordpress/wp-config.php

EOF


if [[ $? != 0 ]]; then
   echo "Could not update Wordpress Database Password -- exiting" >&2
   exit 1
fi



#### PostgresQL

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

nc=$(cat /var/lib/secrets/nextclouddb)

sed -i "s:'dbpassword.*:'dbpassword' => '${nc}',:" /var/lib/www/nextcloud/config/config.php

EOF

if [[ $? != 0 ]]; then
   echo "Could not update Nextcloud config.php file -- exiting" >&2
   exit 1
fi


ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

nc=$(cat /var/lib/secrets/nextclouddb)

PGPASSWORD=${nc} psql -U ncusr nextclouddb

EOF

if [[ $? != 0 ]]; then
   echo "Could not update Nextcloud Database Password-- exiting" >&2
   exit 1
fi


ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

ms=$(cat /var/lib/secrets/matrixdb)

PGPASSWORD=${ms} psql -U matrix-synapse matrix-synapse


EOF

if [[ $? != 0 ]]; then
   echo "Could not update Matrix-Synapse Database Password-- exiting" >&2
   exit 1
fi


#### Matrix-Synapse Keys ####

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "echo -n $(pwgen -s 33 -1) > /var/lib/secrets/turn"

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "echo -n $(pwgen -s 33 -1) > /var/lib/secrets/matrix_reg_secret"

if [[ $? != 0 ]]; then
   echo "Could not rest Matrix-Synapse/Coturn keys-- exiting" >&2
   exit 1
fi


#### UPDATE AGENIX ####

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "

rm -rf /var/lib/agenix-secrets/nextclouddb.age ; 
rm -rf /var/lib/agenix-secrets/wordpressdb.age ;
rm -rf /var/lib/agenix-secrets/turn.age ;
rm -rf /var/lib/agenix-secrets/matrixdb.age ;
rm -rf /var/lib/agenix-secrets/matrix_reg_secret.age "


ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

pushd /var/lib/agenix-secrets/

echo -n $(cat /var/lib/secrets/wordpressdb) | EDITOR='cp /dev/stdin' nix run github:ryantm/agenix -- -e wordpressdb.age -i /root/.ssh/agenix/agenix-secret-keys

echo -n $(cat /var/lib/secrets/nextclouddb) | EDITOR='cp /dev/stdin' nix run github:ryantm/agenix -- -e nextclouddb.age -i /root/.ssh/agenix/agenix-secret-keys

echo -n $(cat /var/lib/secrets/matrixdb) | EDITOR='cp /dev/stdin' nix run github:ryantm/agenix -- -e matrixdb.age -i /root/.ssh/agenix/agenix-secret-keys

echo -n $(cat /var/lib/secrets/turn) | EDITOR='cp /dev/stdin' nix run github:ryantm/agenix -- -e turn.age -i /root/.ssh/agenix/agenix-secret-keys

echo -n $(cat /var/lib/secrets/matrix_reg_secret) | EDITOR='cp /dev/stdin' nix run github:ryantm/agenix -- -e matrix_reg_secret.age -i /root/.ssh/agenix/agenix-secret-keys

popd


if [[ $? != 0 ]]; then
   echo "Could not update Agenix Keys-- exiting" >&2
   exit 1
fi

EOF

#### VAULTWARDEN ####



#### MAIN ####

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 << 'EOF'

echo -n $(pwgen -s 77 -1) > /var/lib/secrets/main

sudo echo "root:$(cat /var/lib/secrets/main)" | chpasswd -c SHA512

EOF


if [[ $? != 0 ]]; then
   echo "Could not update Main Passoword-- exiting" >&2
   exit 1
fi


#### RESET SYSTEMD SERVICES ####

ssh -i /home/free/.ssh/sovranpro_login root@192.168.1.32 "systemctl restart postgresql matrix-synapse caddy mysql coturn vaultwarden"

if [[ $? != 0 ]]; then
   echo "Could not restart services-- exiting" >&2
   exit 1
fi



echo "All Fucking Done!!"

exit 0