davej

# Specify these vars first
export CLOUDFLARE_ACCOUNT_ID=24bac...
export CLOUDFLARE_API_TOKEN=eGCxnU...

# then derive the AWS S3 credentials
export AWS_ACCESS_KEY_ID=$(curl -s https://api.cloudflare.com/client/v4/user/tokens/verify -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" | jq -r '.result.id')
export AWS_SECRET_ACCESS_KEY=$(echo -n $CLOUDFLARE_API_TOKEN | shasum -a 256 | awk '{print $1}')
export AWS_ENDPOINT_URL=https://$CLOUDFLARE_ACCOUNT_ID.r2.cloudflarestorage.com

# output the credentials