Screenshot uploads to Backblaze B2 with Cloudflare CDN caching

screenshot-upload.sh

#!/bin/bash
set -euxo pipefail

# Set up the local filename and path.
FILE_STRING=$(date +%s | sha256sum | cut -c1-8)
FILE_NAME="${FILE_STRING}.png"
SCREENSHOT_PATH="/home/major/Pictures/screenshots/${FILE_NAME}"

# Configure the B2/CDN details.
CDN_URL="https://cdn.major.io"
BUCKET_NAME=majors-static-files
PUBLIC_URL=${CDN_URL}/${FILE_NAME}

# Take a screenshot.
maim -B -s ${SCREENSHOT_PATH}

# Upload the screenshot to S3.
s3cmd put ${SCREENSHOT_PATH} s3://${BUCKET_NAME}

# Prime the CDN cache and verify the screenshot is there.
curl -o /tmp/${FILE_NAME} $PUBLIC_URL

# Send a notification and copy the URL to the clipboard for faster posting. 😜
notify-send -i ${SCREENSHOT_PATH} "Screenshot uploaded" $PUBLIC_URL
echo $PUBLIC_URL | xclip -sel clip