sk22 · September 20, 2019 12:00
diff --git a/digi4school-download.bash b/digi4school-download.bash
 ## CONFIG

 # number of pages
 pages=10

 # book id, as in the url (part between `/ebook/` and `/index.html`)
 # (note that this is usually just one number, but it can also be muliple, like below)
 book=2366/1

 # paste your cookie (from your logged in browser page) between the two single quotes below
 cookie=''

 basefolder=a.digi4school.at/ebook/$book
 baseurl=https://$basefolder

 echo book $book, $pages pages
 echo


 ## DOWNLOAD PAGES

 echo Press return to start the download.
 read

 for i in $(seq 1 $pages); do
  wget --recursive --header="Cookie: $cookie" $baseurl/$i/$i.svg
 done

 echo
 echo Done downloading the pages.


 ## DOWNLOAD IMAGES

 echo Press return download the embedded images.
 read

 for i in $(seq 1 $pages); do
  cat $basefolder/$i/$i.svg |
  grep -oP 'xlink:href="\K(.*?)\.png(?=")' |
  for f in $(</dev/stdin); do
    wget --recursive --header="Cookie: $cookie" $baseurl/$i/$f;
  done
 done

 echo
 echo Done downloading the images.

diff --git a/digi4school-index.html b/digi4school-index.html
 <!DOCTYPE html>
 <html lang="en">
  <head>
    <meta charset="UTF-8">
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Spurensuche</title>
    <style>
      :root {
        /* EDIT THOSE */
        --height: 1125px;
        --width: 822px;
      }
      body {
        text-align: center;
      }
      #wrapper {
        text-align: left;
        display: inline-block;
        margin: 0 auto;
      }
      #page {
        border: none;
        width: var(--width);
        height: var(--height);
        pointer-events: none;
      }
      #left, #right {
        position: absolute;
        width: 20%;
        height: var(--height);
      }
      #left { left: 0; }
      #right { right: 0; }
    </style>
  </head>
  <body>
    <div id="left"></div>
    <div id="right"></div>
    <div id="wrapper">
      <iframe id="page"></iframe><br>
      <input type="number" id="number">
    </div>
    <script>
      // EDIT THIS:
      const book = '1303'

      let i = Number(location.hash.slice(1)) || 1
      const pageElement = document.getElementById('page')
      const numberElement = document.getElementById('number')
      const left = document.getElementById('left')
      const right = document.getElementById('right')

      left.addEventListener('click', previousPage)
      right.addEventListener('click', nextPage)
      
      numberElement.addEventListener('change', e => {
        const value = e.target.value
        const num = Number(value)
        if (num) {
          i = num
          loadPage(num)
        }
      })

      async function loadPage(i) {
        location.hash = `#${i}`
        pageElement.src = `./a.digi4school.at/ebook/${book}/${i}/${i}.svg`
        numberElement.value = i
      }
      
      function nextPage() {
        loadPage(++i)
      }

      function previousPage() {
        if (i > 1) loadPage(--i)
      }

      loadPage(i)

      function keyDownHandler (e) {
        const RIGHT = 39
        const LEFT = 37

        if (![RIGHT, LEFT].includes(e.keyCode)) return
        
        switch (e.keyCode) {
          case RIGHT: nextPage(); break
          case LEFT: previousPage(); break
        }
      }

      document.addEventListener('keydown', keyDownHandler)
      </script>
  </body>
 </html>
	## CONFIG

	# number of pages
	pages=10

	# book id, as in the url (part between `/ebook/` and `/index.html`)
	# (note that this is usually just one number, but it can also be muliple, like below)
	book=2366/1

	# paste your cookie (from your logged in browser page) between the two single quotes below
	cookie=''

	basefolder=a.digi4school.at/ebook/$book
	baseurl=https://$basefolder

	echo book $book, $pages pages
	echo


	## DOWNLOAD PAGES

	echo Press return to start the download.
	read

	for i in $(seq 1 $pages); do
	wget --recursive --header="Cookie: $cookie" $baseurl/$i/$i.svg
	done

	echo
	echo Done downloading the pages.


	## DOWNLOAD IMAGES

	echo Press return download the embedded images.
	read

	for i in $(seq 1 $pages); do
	cat $basefolder/$i/$i.svg \|
	grep -oP 'xlink:href="\K(.*?)\.png(?=")' \|
	for f in $(</dev/stdin); do
	wget --recursive --header="Cookie: $cookie" $baseurl/$i/$f;
	done
	done

	echo
	echo Done downloading the images.
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Spurensuche</title>
	<style>
	:root {
	/* EDIT THOSE */
	--height: 1125px;
	--width: 822px;
	}
	body {
	text-align: center;
	}
	#wrapper {
	text-align: left;
	display: inline-block;
	margin: 0 auto;
	}
	#page {
	border: none;
	width: var(--width);
	height: var(--height);
	pointer-events: none;
	}
	#left, #right {
	position: absolute;
	width: 20%;
	height: var(--height);
	}
	#left { left: 0; }
	#right { right: 0; }
	</style>
	</head>
	<body>
	<div id="left"></div>
	<div id="right"></div>
	<div id="wrapper">
	<iframe id="page"></iframe><br>
	<input type="number" id="number">
	</div>
	<script>
	// EDIT THIS:
	const book = '1303'

	let i = Number(location.hash.slice(1)) \|\| 1
	const pageElement = document.getElementById('page')
	const numberElement = document.getElementById('number')
	const left = document.getElementById('left')
	const right = document.getElementById('right')

	left.addEventListener('click', previousPage)
	right.addEventListener('click', nextPage)

	numberElement.addEventListener('change', e => {
	const value = e.target.value
	const num = Number(value)
	if (num) {
	i = num
	loadPage(num)
	}
	})

	async function loadPage(i) {
	location.hash = `#${i}`
	pageElement.src = `./a.digi4school.at/ebook/${book}/${i}/${i}.svg`
	numberElement.value = i
	}

	function nextPage() {
	loadPage(++i)
	}

	function previousPage() {
	if (i > 1) loadPage(--i)
	}

	loadPage(i)

	function keyDownHandler (e) {
	const RIGHT = 39
	const LEFT = 37

	if (![RIGHT, LEFT].includes(e.keyCode)) return

	switch (e.keyCode) {
	case RIGHT: nextPage(); break
	case LEFT: previousPage(); break
	}
	}

	document.addEventListener('keydown', keyDownHandler)
	</script>
	</body>
	</html>