This script will download video from online video service website.

video-service-movie-download.sh

#!/bin/bash

# This script will download video from online video service website.
# sudo apt install html-xml-utils
# Usage ./video-service-movie-download.sh https://somewhere-online-movie.web/best-movie.html

if [ -z "$1" ]; then
    echo "No url supplied. Please set collection name. (ex: https://somewhere-online-movie.web/best-movie.html)"
    exit
fi

get_iframe_video_url() {
	echo $1 |
	wget -O- -i- --no-verbose | 
	hxnormalize -x | 
	hxselect -i "div.video-player-wrapper iframe" |
	hxwls
}

get_first_playlist() {
	echo $1 |
	wget -O- -i- --no-verbose | 
	grep -E -o 'file:"(.*)m3u8' | 
	sed -n 's/file:"//p'
}

get_second_playlist() {
	echo $1 |
	wget -O- -i- --no-verbose | 
	grep -E -o 'file:"(.*)m3u8' | 
	sed -n 's/file:"//p' |
	sed -n 's/index.m3u8/480\/index.m3u8/p'
}

get_video_uri() {
	echo $1 |
	wget -O- -i- --no-verbose | 
	grep -E -o 'file:"(.*)m3u8' | 
	sed -n 's/file:"//p' |
	sed -n 's/index.m3u8//p'
}

create_segments_file() {
    if test -f "$FILE_FFMPEG_LIST"; then
	   rm $FILE_FFMPEG_LIST
	fi
	if test -f "$FILE_FFMPEG_LIST"; then
	   rm $FILE_WGET_LIST
	fi
	# download movie playlist
	wget $VIDEO_URI/$QUALITY/index.m3u8 --output-document=pls.file --no-verbose
	LIST=$(grep segment pls.file)
	rm pls.file
	for f in $LIST;
	do
		echo "file '$DIRECTORY/$f'" >> $FILE_FFMPEG_LIST
		echo "$VIDEO_URI$QUALITY/$f" >> $FILE_WGET_LIST
	done
	echo "Saving files done."
}

get_directory_from_url() {
	echo $1 | sed 's#.*/##'
}

# 480, 720, 1080
QUALITY="480";

FILE_FFMPEG_LIST="./list-ffmpeg.txt"
FILE_WGET_LIST="./list-wget.txt"
	
URL="$1"

DIRECTORY=$(get_directory_from_url $URL);
DIRECTORY="${DIRECTORY%.*}"

VIDEO_URL=$(get_iframe_video_url $URL)
echo $VIDEO_URL;

VIDEO_URI=$(get_video_uri $VIDEO_URL)
echo $VIDEO_URI

PLAYLIST="$VIDEO_URI/$QUALITY/index.m3u8"
ffmpeg -i $PLAYLIST -c copy -bsf:a aac_adtstoasc "$DIRECTORY.mp4" -y