#!/bin/bash

MASTER_URL='https://mic-jtbc-live-f.ovpobs.tv/live/ch01/hls/index.m3u8?hdnts=exp=1772347586~acl=/*~id=021-test-25d~hmac=07bd9976d026e098486fc35d3ee3467b10c088ed22f0f8c0f596a27b00a004b6'
BASE_URL='https://mic-jtbc-live-f.ovpobs.tv/live/ch01/hls/'

VAR_REL="$(curl --globoff -sS -L "$MASTER_URL" | awk '/RESOLUTION=1920x1080/{getline; print; exit}')"
VAR_URL="${BASE_URL}${VAR_REL}"

KEY_URI="$(curl --globoff -sS -L "$VAR_URL" | awk -F'URI="' '/^#EXT-X-KEY:/{split($2,a,"\""); print a[1]; exit}')"
VAR_DIR="$(echo "$VAR_URL" | sed 's#[^/]*$##')"
KEY_URL="${VAR_DIR}${KEY_URI}"

curl --globoff -fsSL "$KEY_URL" | od -An -tx1 | tr -d ' \n'
echo