tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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file_loadinfo_redirectchain.sjs (3714B)

      1 /*
      2  * Redirect handler specifically for the needs of:
      3  * Bug 1194052 - Append Principal to RedirectChain within LoadInfo before the channel is succesfully openend
      4  */
      5 
      6 function createIframeContent(aQuery) {
      7   var content = `
      8   <!DOCTYPE HTML>
      9   <html>
     10   <head><meta charset="utf-8">
     11   <title>Bug 1194052 - LoadInfo redirect chain subtest</title>
     12   </head>
     13   <body>
     14   <script type="text/javascript">
     15     var myXHR = new XMLHttpRequest();
     16     myXHR.open("GET", "http://example.com/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?${aQuery}");
     17     myXHR.onload = function() {
     18       var loadinfo = SpecialPowers.wrap(myXHR).channel.loadInfo;
     19       var redirectChain = loadinfo.redirectChain;
     20       var redirectChainIncludingInternalRedirects = loadinfo.redirectChainIncludingInternalRedirects;
     21       var resultOBJ = { redirectChain : [], redirectChainIncludingInternalRedirects : [] };
     22       for (var i = 0; i < redirectChain.length; i++) {
     23         resultOBJ.redirectChain.push(redirectChain[i].principal.spec);
     24       }
     25       for (var i = 0; i < redirectChainIncludingInternalRedirects.length; i++) {
     26         resultOBJ.redirectChainIncludingInternalRedirects.push(redirectChainIncludingInternalRedirects[i].principal.spec);
     27       }
     28       var loadinfoJSON = JSON.stringify(resultOBJ);
     29       window.parent.postMessage({ loadinfo: loadinfoJSON }, "*");
     30     }
     31     myXHR.onerror = function() {
     32       var resultOBJ = { redirectChain : [], redirectChainIncludingInternalRedirects : [] };
     33       var loadinfoJSON = JSON.stringify(resultOBJ);
     34       window.parent.postMessage({ loadinfo: loadinfoJSON }, "*");
     35     }
     36     myXHR.send();
     37   </script>
     38   </body>
     39   </html>`;
     40 
     41   return content;
     42 }
     43 
     44 function handleRequest(request, response) {
     45   response.setHeader("Cache-Control", "no-cache", false);
     46   var queryString = request.queryString;
     47 
     48   if (
     49     queryString == "iframe-redir-https-2" ||
     50     queryString == "iframe-redir-err-2"
     51   ) {
     52     var query = queryString.replace("iframe-", "");
     53     // send upgrade-insecure-requests CSP header
     54     response.setHeader("Content-Type", "text/html", false);
     55     response.setHeader(
     56       "Content-Security-Policy",
     57       "upgrade-insecure-requests",
     58       false
     59     );
     60     response.write(createIframeContent(query));
     61     return;
     62   }
     63 
     64   // at the end of the redirectchain we return some text
     65   // for sanity checking
     66   if (queryString == "redir-0" || queryString == "redir-https-0") {
     67     response.setHeader("Content-Type", "text/html", false);
     68     response.write("checking redirectchain");
     69     return;
     70   }
     71 
     72   // special case redir-err-1 and return an error to trigger the fallback
     73   if (queryString == "redir-err-1") {
     74     response.setStatusLine("1.1", 404, "Bad request");
     75     return;
     76   }
     77 
     78   // must be a redirect
     79   var newLocation = "";
     80   switch (queryString) {
     81     case "redir-err-2":
     82       newLocation =
     83         "http://example.com/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?redir-err-1";
     84       break;
     85 
     86     case "redir-https-2":
     87       newLocation =
     88         "http://example.com/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?redir-https-1";
     89       break;
     90 
     91     case "redir-https-1":
     92       newLocation =
     93         "http://example.com/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?redir-https-0";
     94       break;
     95 
     96     case "redir-2":
     97       newLocation =
     98         "http://mochi.test:8888/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?redir-1";
     99       break;
    100 
    101     case "redir-1":
    102       newLocation =
    103         "http://mochi.test:8888/tests/netwerk/test/mochitests/file_loadinfo_redirectchain.sjs?redir-0";
    104       break;
    105   }
    106 
    107   response.setStatusLine("1.1", 302, "Found");
    108   response.setHeader("Location", newLocation, false);
    109 }