backup-services/bitwarden/bitwarden_backup.sh

146 lines
4.9 KiB
Bash
Executable File

#!/bin/bash
# Preloader
# Determine the directory of the script
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
### [ Variables ] ###
# Import configuration
source "$SCRIPT_DIR/config.sh"
# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
NC='\033[0m' # No Color
### [ Functions ] ###
check_required_programs() {
local missing=0
for program in gdrive 7zz sqlite3 curl; do
if ! command -v $program &> /dev/null; then
echo -e "${RED}Error: Required program '$program' is not installed.${NC}" >&2
missing=1
fi
done
if [ $missing -ne 0 ]; then
local ERR_MSG="One or more required programs are missing."
send_discord_notification "$ERR_MSG" "16711680"
echo -e "${RED}$ERR_MSG${NC}" >&2
exit 1
fi
}
send_discord_notification() {
local message=$1
local color=$2
# Check if we should send discord notifications
if [ -n "$DISCORD_WEB_HOOK" ]; then
curl \
-H "Content-Type: application/json" \
-d "{ \"content\":\"\", \"embeds\":[{ \"title\":\"Vaultwarden Backup\", \"description\":\"${message}\", \"color\":${color}} ]}" \
$DISCORD_WEB_HOOK
fi
}
get_7zip_password() {
$SCRIPT_DIR/bitwarden_backup_password_decrypt.sh
}
backup_sqlite_database() {
echo -e "${YELLOW}Backing up SQLite database...${NC}"
sqlite3 $SQLITE_DB_PATH ".backup '$SQLITE_BACKUP_PATH'"
if [ $? -ne 0 ]; then
echo -e "${RED}SQLite database backup failed${NC}"
send_discord_notification "SQLite database backup failed" "16711680" # Red color
exit 1
fi
}
compress_and_encrypt_backup() {
echo -e "${YELLOW}Compressing and encrypting backup...${NC}"
7zz a -p"$(get_7zip_password)" -mhe=on -t7z $BACKUP_FILE $VAULTWARDEN_DATA_DIR $SQLITE_BACKUP_PATH
if [ $? -eq 0 ]; then
echo -e "${GREEN}Backup successful: ${BACKUP_FILE}${NC}"
send_discord_notification "Backup successful: ${BACKUP_FILE}" "65280" # Green color
else
echo -e "${RED}Backup failed${NC}"
send_discord_notification "Backup failed" "16711680" # Red color
exit 1
fi
}
delete_old_local_backups() {
echo -e "${YELLOW}Deleting local backups older than ${BACKUP_RETENTION_DAYS} days...${NC}"
find $BACKUP_DIR -type f -name "vaultwarden-backup-*.7z" -mtime +$BACKUP_RETENTION_DAYS -exec rm {} \;
echo -e "${GREEN}Old backups deleted${NC}"
}
# Google Drive
upload_to_google_drive() {
if [ -n "$GOOGLE_DRIVE_FOLDER_ID" ] && [ -n "$BACKUP_FILE" ]; then
echo -e "${YELLOW}Uploading backup zip to google drive.${NC}"
gdrive files upload --parent $GOOGLE_DRIVE_FOLDER_ID $BACKUP_FILE
if [ $? -eq 0 ]; then
echo -e "${YELLOW}Backup file uploaded to Google Drive.${NC}"
send_discord_notification "Backup file uploaded to Google Drive." "65280"
else
echo -e "${RED}Failed to upload backup file to Google Drive.${NC}"
send_discord_notification "Failed to upload backup file to Google Drive." "16711680"
exit 1
fi
else
echo -e "${YELLOW}Google Drive upload not configured. Skipping.${NC}"
fi
}
delete_old_gdrive_backups() {
if [ -n "$GOOGLE_DRIVE_FOLDER_ID" ] && [ -n "$GOOGLE_DRIVE_KEEP_BACKUP_COUNT" ]; then
GCLOUD_BACKUPS=$(gdrive files list --parent $GOOGLE_DRIVE_FOLDER_ID --skip-header --order-by "createdTime asc" | awk '{print $1}')
BACKUP_COUNT=$(echo "$GCLOUD_BACKUPS" | wc -l)
echo -e "${YELLOW}Deleting old gdrive backups.${NC}"
if [ "$BACKUP_COUNT" -gt "$GOOGLE_DRIVE_KEEP_BACKUP_COUNT" ]; then
DELETE_COUNT=$((BACKUP_COUNT - GOOGLE_DRIVE_KEEP_BACKUP_COUNT))
DELETE_BACKUPS=$(echo "$GCLOUD_BACKUPS" | head -n "$DELETE_COUNT")
echo "$DELETE_BACKUPS" | while read -r BACKUP_ID; do
if [ -n "$BACKUP_ID" ]; then
gdrive files delete $BACKUP_ID
if [ $? -eq 0 ]; then
local MSG_X="Deleted old backup with ID $BACKUP_ID from Google Drive."
echo -e "$MSG_X"
send_discord_notification "$MSG_X" "16776960"
else
local MSG_X="${RED}Failed to delete backup with ID $BACKUP_ID from Google Drive.${NC}"
echo -e "$MSG_X"
send_discord_notification "$MSG_X" "16711680"
fi
fi
done
else
echo -e "${YELLOW}No old backups to delete.${NC}"
fi
else
echo -e "${YELLOW}Google Drive cleanup not configured. Skipping.${NC}"
fi
}
### [ Main ] ###
echo -e "${YELLOW}Starting Vaultwarden backup...${NC}"
send_discord_notification "Starting Vaultwarden backup..." "16776960" # Yellow color
check_required_programs
backup_sqlite_database
compress_and_encrypt_backup
upload_to_google_drive
delete_old_local_backups
delete_old_gdrive_backups