ttionya
294 lines
8.0 KiB
Bash
294 lines
8.0 KiB
Bash
#!/bin/bash
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ENV_FILE="/.env"
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BACKUP_DIR="/bitwarden/backup"
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RESTORE_DIR="/bitwarden/restore"
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RESTORE_EXTRACT_DIR="/bitwarden/extract"
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#################### Function ####################
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########################################
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# Print colorful message.
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# Arguments:
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# color
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# message
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# Outputs:
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# colorful message
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########################################
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function color() {
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case $1 in
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red) echo -e "\033[31m$2\033[0m" ;;
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green) echo -e "\033[32m$2\033[0m" ;;
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yellow) echo -e "\033[33m$2\033[0m" ;;
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blue) echo -e "\033[34m$2\033[0m" ;;
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none) echo "$2" ;;
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esac
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}
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########################################
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# Check storage system connection success.
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# Arguments:
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# None
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########################################
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function check_rclone_connection() {
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rclone mkdir "${RCLONE_REMOTE}"
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if [[ $? != 0 ]]; then
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color red "storage system connection failure"
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exit 1
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fi
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}
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########################################
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# Check file is exist.
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# Arguments:
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# file
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########################################
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function check_file_exist() {
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if [[ ! -f "$1" ]]; then
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color red "cannot access $1: No such file"
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exit 1
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fi
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}
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########################################
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# Check directory is exist.
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# Arguments:
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# directory
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########################################
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function check_dir_exist() {
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if [[ ! -d "$1" ]]; then
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color red "cannot access $1: No such directory"
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exit 1
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fi
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}
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########################################
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# Send mail by mailx.
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# Arguments:
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# mail subject
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# mail content
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# Outputs:
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# send mail result
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########################################
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function send_mail() {
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if [[ "${MAIL_DEBUG}" == "TRUE" ]]; then
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local MAIL_VERBOSE="-v"
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fi
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echo "$2" | mailx ${MAIL_VERBOSE} -s "$1" ${MAIL_SMTP_VARIABLES} "${MAIL_TO}"
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if [[ $? != 0 ]]; then
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color red "mail sending failed"
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else
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color blue "mail send was successfully"
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fi
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}
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########################################
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# Send mail.
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# Arguments:
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# backup successful
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# mail content
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########################################
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function send_mail_content() {
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if [[ "${MAIL_SMTP_ENABLE}" == "FALSE" ]]; then
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return
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fi
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# successful
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if [[ "$1" == "TRUE" && "${MAIL_WHEN_SUCCESS}" == "TRUE" ]]; then
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send_mail "BitwardenRS Backup Success" "$2"
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fi
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# failed
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if [[ "$1" == "FALSE" && "${MAIL_WHEN_FAILURE}" == "TRUE" ]]; then
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send_mail "BitwardenRS Backup Failed" "$2"
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fi
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}
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########################################
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# Export variables from .env file.
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# Arguments:
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# None
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# Outputs:
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# variables with prefix 'DOTENV_'
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# Reference:
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# https://gist.github.com/judy2k/7656bfe3b322d669ef75364a46327836#gistcomment-3632918
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########################################
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function export_env_file() {
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if [[ -f "${ENV_FILE}" ]]; then
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color blue "find \"${ENV_FILE}\" file and export variables"
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set -a
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source <(cat "${ENV_FILE}" | sed -e '/^#/d;/^\s*$/d' -e 's/\(\w*\)[ \t]*=[ \t]*\(.*\)/DOTENV_\1=\2/')
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set +a
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fi
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}
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########################################
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# Get variables from
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# environment variables,
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# secret file in environment variables,
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# secret file in .env file,
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# environment variables in .env file.
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# Arguments:
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# variable name
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# Outputs:
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# variable value
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########################################
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function get_env() {
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local VAR="$1"
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local VAR_FILE="${VAR}_FILE"
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local VAR_DOTENV="DOTENV_${VAR}"
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local VAR_DOTENV_FILE="DOTENV_${VAR_FILE}"
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local VALUE=""
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if [[ -n "${!VAR:-}" ]]; then
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VALUE="${!VAR}"
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elif [[ -n "${!VAR_FILE:-}" ]]; then
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VALUE="$(cat "${!VAR_FILE}")"
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elif [[ -n "${!VAR_DOTENV_FILE:-}" ]]; then
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VALUE="$(cat "${!VAR_DOTENV_FILE}")"
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elif [[ -n "${!VAR_DOTENV:-}" ]]; then
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VALUE="${!VAR_DOTENV}"
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fi
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export "${VAR}=${VALUE}"
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}
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########################################
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# Initialization environment variables.
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# Arguments:
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# None
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# Outputs:
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# environment variables
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########################################
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function init_env() {
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# export
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export_env_file
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init_env_dir
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# CRON
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get_env CRON
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CRON="${CRON:-"5 * * * *"}"
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# RCLONE_REMOTE_NAME
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get_env RCLONE_REMOTE_NAME
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RCLONE_REMOTE_NAME="${RCLONE_REMOTE_NAME:-"BitwardenBackup"}"
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# RCLONE_REMOTE_DIR
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get_env RCLONE_REMOTE_DIR
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RCLONE_REMOTE_DIR="${RCLONE_REMOTE_DIR:-"/BitwardenBackup/"}"
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# RCLONE_REMOTE
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RCLONE_REMOTE="${RCLONE_REMOTE_NAME}:${RCLONE_REMOTE_DIR}"
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# ZIP_ENABLE
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get_env ZIP_ENABLE
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ZIP_ENABLE=$(echo "${ZIP_ENABLE}" | tr '[a-z]' '[A-Z]')
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if [[ "${ZIP_ENABLE}" == "FALSE" ]]; then
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ZIP_ENABLE="FALSE"
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else
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ZIP_ENABLE="TRUE"
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fi
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# ZIP_PASSWORD
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get_env ZIP_PASSWORD
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ZIP_PASSWORD="${ZIP_PASSWORD:-"WHEREISMYPASSWORD?"}"
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# ZIP_TYPE
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get_env ZIP_TYPE
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ZIP_TYPE=$(echo "${ZIP_TYPE}" | tr '[A-Z]' '[a-z]')
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if [[ "${ZIP_TYPE}" == "7z" ]]; then
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ZIP_TYPE="7z"
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else
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ZIP_TYPE="zip"
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fi
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# BACKUP_KEEP_DAYS
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get_env BACKUP_KEEP_DAYS
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BACKUP_KEEP_DAYS="${BACKUP_KEEP_DAYS:-"0"}"
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# BACKUP_FILE_DATE_FORMAT
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get_env BACKUP_FILE_DATE_SUFFIX
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BACKUP_FILE_DATE_FORMAT=$(echo "%Y%m%d${BACKUP_FILE_DATE_SUFFIX}" | sed 's/[^0-9a-zA-Z%_-]//g')
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# MAIL_SMTP_ENABLE
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# MAIL_TO
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get_env MAIL_SMTP_ENABLE
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get_env MAIL_TO
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MAIL_SMTP_ENABLE=$(echo "${MAIL_SMTP_ENABLE}" | tr '[a-z]' '[A-Z]')
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if [[ "${MAIL_SMTP_ENABLE}" == "TRUE" && "${MAIL_TO}" ]]; then
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MAIL_SMTP_ENABLE="TRUE"
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else
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MAIL_SMTP_ENABLE="FALSE"
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fi
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# MAIL_WHEN_SUCCESS
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get_env MAIL_WHEN_SUCCESS
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MAIL_WHEN_SUCCESS=$(echo "${MAIL_WHEN_SUCCESS}" | tr '[a-z]' '[A-Z]')
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if [[ "${MAIL_WHEN_SUCCESS}" == "FALSE" ]]; then
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MAIL_WHEN_SUCCESS="FALSE"
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else
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MAIL_WHEN_SUCCESS="TRUE"
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fi
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# MAIL_WHEN_FAILURE
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get_env MAIL_WHEN_FAILURE
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MAIL_WHEN_FAILURE=$(echo "${MAIL_WHEN_FAILURE}" | tr '[a-z]' '[A-Z]')
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if [[ "${MAIL_WHEN_FAILURE}" == "FALSE" ]]; then
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MAIL_WHEN_FAILURE="FALSE"
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else
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MAIL_WHEN_FAILURE="TRUE"
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fi
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# TIMEZONE
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get_env TIMEZONE
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local TIMEZONE_MATCHED_COUNT=$(ls "/usr/share/zoneinfo/${TIMEZONE}" 2> /dev/null | wc -l)
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if [[ "${TIMEZONE_MATCHED_COUNT}" -ne 1 ]]; then
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TIMEZONE="UTC"
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fi
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color yellow "========================================"
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color yellow "DATA_DIR: ${DATA_DIR}"
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color yellow "DATA_DB: ${DATA_DB}"
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color yellow "DATA_CONFIG: ${DATA_CONFIG}"
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color yellow "DATA_ATTACHMENTS: ${DATA_ATTACHMENTS}"
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color yellow "========================================"
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color yellow "CRON: ${CRON}"
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color yellow "RCLONE_REMOTE_NAME: ${RCLONE_REMOTE_NAME}"
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color yellow "RCLONE_REMOTE_DIR: ${RCLONE_REMOTE_DIR}"
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color yellow "RCLONE_REMOTE: ${RCLONE_REMOTE}"
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color yellow "ZIP_ENABLE: ${ZIP_ENABLE}"
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color yellow "ZIP_PASSWORD: ${#ZIP_PASSWORD} Chars"
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color yellow "ZIP_TYPE: ${ZIP_TYPE}"
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color yellow "BACKUP_FILE_DATE_FORMAT: ${BACKUP_FILE_DATE_FORMAT}"
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color yellow "BACKUP_KEEP_DAYS: ${BACKUP_KEEP_DAYS}"
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color yellow "MAIL_SMTP_ENABLE: ${MAIL_SMTP_ENABLE}"
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if [[ "${MAIL_SMTP_ENABLE}" == "TRUE" ]]; then
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color yellow "MAIL_TO: ${MAIL_TO}"
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color yellow "MAIL_WHEN_SUCCESS: ${MAIL_WHEN_SUCCESS}"
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color yellow "MAIL_WHEN_FAILURE: ${MAIL_WHEN_FAILURE}"
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fi
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color yellow "TIMEZONE: ${TIMEZONE}"
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color yellow "========================================"
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}
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function init_env_dir() {
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# DATA_DIR
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get_env DATA_DIR
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DATA_DIR="${DATA_DIR:-"/bitwarden/data"}"
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check_dir_exist "${DATA_DIR}"
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# DATA_DB
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get_env DATA_DB
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DATA_DB="${DATA_DB:-"${DATA_DIR}/db.sqlite3"}"
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# DATA_CONFIG
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DATA_CONFIG="${DATA_DIR}/config.json"
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# DATA_ATTACHMENTS
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get_env DATA_ATTACHMENTS
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DATA_ATTACHMENTS="$(realpath "${DATA_ATTACHMENTS:-"${DATA_DIR}/attachments"}")"
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DATA_ATTACHMENTS_DIRNAME="$(dirname "${DATA_ATTACHMENTS}")"
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DATA_ATTACHMENTS_BASENAME="$(basename "${DATA_ATTACHMENTS}")"
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}
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