dotfiles/systemd/system/timer-scripts/template.bash_eternal_email.sh

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#!/usr/bin/env bash
# Sends an encrypted email attachment of the bash eternal history directory
declare -r backup_p=/home/emiliko/safe/bash_eternal_backups
declare -r email_msg="$(mktemp)"
declare -r encry_file="$(mktemp)"
chmod 666 "$encry_file"
sudo -u emiliko bash <<CMD
cd "${backup_p}/.." || exit 1
tar czf - "$(basename "$backup_p")" | gpg -e -r emiliko@mami2.moe > "$encry_file"
CMD
declare -r MIMEType="$(file --mime-type "$encry_file" | sed 's/.*: //')"
declare -r attach_name="bash_full_backup_$(date +%s).tgz"
cat <<EMAIL >"$email_msg"
Dear Emiliko,
I thought you might like a backup of your .bash_eternal_history files from all
devices I can access. I used $(hostname) as a central repository to back them
up. Hope you enjoy them!
yours (truly),
Systemd
EMAIL
curl --silent --ssl-reqd \
--url 'smtps://smtp.fastmail.com:465' \
--user 'emiliko%40mami2.moe:<password-here>' \
--mail-from "systemd@mami2.moe" \
--mail-rcpt 'emiliko@cs.ox.ac.uk' \
--mail-rcpt 'emiliko@mami2.moe' \
-F '=(;type=multipart/mixed' \
-F "=$(cat "$email_msg");type=text/plain" \
-F "file=@${encry_file};type=${MIMEType};encoder=base64" \
-F '=)' \
-H "From: Systemd-chan <systemd@mami2.moe>" \
-H "Subject: Your weekly bash backup" \
-H "To: Emiliko Mirror <emiliko@cs.ox.ac.uk>" \
-H "CC: Emiliko Mirror <emiliko@mami2.moe>" \
-H "Date: $(date)"