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view demo/upload.ur @ 1512:dcc8abbc6dfd

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Change cookie signature comparison to resist timing attacks (based on code suggested by Robin Green and Austin Seipp)
author Adam Chlipala <adam@chlipala.net>
date Tue, 19 Jul 2011 09:18:50 -0400
parents 9f2555f06901
children
line wrap: on
line source
fun echo r =
  if blobSize (fileData r.File) > 100000 then
      return <xml>Whoa!  That one's too big.</xml>
  else
      returnBlob (fileData r.File) (blessMime (fileMimeType r.File))

fun main () = return <xml><body>
  <h1>The Amazing File Echoer!</h1>

  <form>Upload a file: <upload{#File}/> <submit action={echo}/></form>
</body></xml>