Download file from cloud.mail.ru from linux console with bash script

dl-cloud-mail-ru.sh

#!/usr/bin/env bash

# 2018-06-18 updated: mail.ru changed internals
# 2017-09-22 original idea: https://novall.net/itnews/bash-skript-dlya-skachivaniya-fajlov-s-mail-ru-cherez-konsol-linux.html

URL="$1"
DST_FILE="$2"

[ -z "$DST_FILE" ] && {
	echo "Syntax: `basename $0` <url> <dst_file>" >&2
	echo "Example: `basename $0` https://cloud.mail.ru/public/BeAr/3s8QfYgLj /path/to/my/file.rar" >&2
	exit 1
}

function getStorageUrl() {
    local srcUrl="$1"
    wget --quiet -O - "$srcUrl" | grep -A 20 '"weblink_get"'  | tr -d "\n \t" | grep -o '"weblink_get":\[[^]]\+\]' | sed 's/.*"url":"\([^"]\+\)".*/\1/'
}

function getFilePath() {
    local srcUrl="$1"
    echo "$srcUrl" | awk -F '/public/' '{print $2}'
}

function getToken() {
    wget --quiet -O - "https://cloud.mail.ru/api/v2/tokens/download" | sed 's/.*"token":"\([^"]\+\)".*/\1/'
}

storageUrl="`getStorageUrl "$URL"`"
filePath="`getFilePath "$URL"`"
token="`getToken`"

wget --no-check-certificate --referer="$URL" "$storageUrl/$filePath?key=$token" -O "$DST_FILE"