post_form_outer.sjs

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const CC = Components.Constructor;

const BinaryInputStream = CC(

  "@mozilla.org/binaryinputstream;1",

  "nsIBinaryInputStream",

  "setInputStream"

);

function handleRequest(request, response) {

  var body =

    "<html>\

    <body>\

    Outer POST data: ";

  var bodyStream = new BinaryInputStream(request.bodyInputStream);

  var avail = 0;

  while ((avail = bodyStream.available()) > 0) {

    body += String.fromCharCode.apply(String, bodyStream.readByteArray(avail));

  body +=

    '<form id="postForm" action="post_form_outer.sjs" method="post">\

     <input type="text" name="inputfield" value="outer">\

     <input type="submit">\

     </form>\

     <iframe id="innerFrame" src="post_form_inner.sjs" width="400" height="200">\

     </body>\

     </html>';

  response.bodyOutputStream.write(body, body.length);