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The 2nd half of proper CSRF protection related to environment variables
author Adam Chlipala <adam@chlipala.net>
date Thu, 12 Feb 2015 15:09:26 -0500
parents 3d10ae22abd6
children
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line source
ffi foo : int -> int
ffi bar serverOnly benignEffectful : int -> transaction unit
ffi baz : transaction int
ffi adder : int -> int -> int

ffi bup jsFunc "alert" : string -> transaction unit
ffi alert : string -> transaction unit

fun other () : transaction page =
    (*bar 17;
    q <- baz;*)
    return <xml><body>
      (*{[foo 42]}, {[q]}*)
      <button value="bup" onclick={fn _ => bup "asdf"}/>
      <button value="alert" onclick={fn _ => alert "qqqz"}/>
    </body></xml>

fun main () = return <xml><body>
  <form>
    <submit action={other}/>
  </form>
</body></xml>