tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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frameQuota.html (4924B)

      1 <html xmlns="http://www.w3.org/1999/xhtml">
      2 <head>
      3 <title>slave for sessionStorage test</title>
      4 
      5 <script type="text/javascript" src="interOriginFrame.js"></script>
      6 <script type="text/javascript">
      7 
      8 const DOM_QUOTA_EXCEEDED_ERR = 0x80530016;
      9 
     10 function checkException(func, exc)
     11 {
     12  var exceptionThrew = false;
     13  try {
     14    func();
     15  }
     16  catch (ex) {
     17    exceptionThrew = true;
     18    is(ex.result, exc, "Expected "+exc+" exception");
     19  }
     20  ok(exceptionThrew, "Exception "+exc+" threw at "+location);
     21 }
     22 
     23 function doStep()
     24 {
     25  var query = location.search.substring(1);
     26  var queries = query.split("&");
     27 
     28  var operation = queries[0];
     29  var keyName = queries[1];
     30  var result = queries[2];
     31 
     32  switch (result)
     33  {
     34    case "success":
     35      switch (operation)
     36      {
     37        case "add":
     38          // Store 500 bytes long string must succeed
     39          localStorage.setItem(keyName, "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
     40          is(localStorage.getItem(keyName), "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", "500 bytes key "+keyName+" stored");
     41          break;
     42 
     43        case "remove":
     44          localStorage.removeItem(keyName);
     45          is(localStorage.getItem(keyName), null, "Key "+keyName+" removed");
     46          break;
     47      }
     48 
     49      break;
     50 
     51    case "failure":
     52      switch (operation)
     53      {
     54        case "add":
     55          // Attempt to store 500 bytes long string that doens't
     56          // fit the quota, have to throw DOM_QUOTA_EXCEEDED_ERR exception
     57          checkException(function() {
     58            localStorage.setItem(keyName, "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
     59          }, DOM_QUOTA_EXCEEDED_ERR);
     60          is(localStorage.getItem(keyName), null, "500 bytes key "+keyName+" is NOT stored");
     61          break;
     62 
     63        case "add2":
     64          // Attempt to change a key value to reach the DOM quota and
     65          // check it fails and the old key value is still present.
     66          checkException(function() {
     67            localStorage.setItem(keyName, "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890");
     68          }, DOM_QUOTA_EXCEEDED_ERR);
     69          is(localStorage.getItem(keyName), "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", "Key "+keyName+" left unchanged");
     70          break;
     71      }
     72 
     73      break;
     74 
     75    default:
     76      switch (operation)
     77      {
     78        case "clear":
     79          localStorage.clear();
     80          break;
     81      }
     82 
     83      break;
     84  }
     85 
     86  // Just inform the master we are finished now
     87  postMsg("done");
     88  return false;
     89 }
     90 
     91 </script>
     92 
     93 </head>
     94 
     95 <body onload="postMsg('frame loaded');">
     96 </body>
     97 </html>