tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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contentType.sjs (2411B)

      1 // Parse the query string, and give us the value for a certain key, or false if
      2 // it does not exist.
      3 function parseQuery(request, key) {
      4   var params = request.queryString.split("?")[0].split("&");
      5   for (var j = 0; j < params.length; ++j) {
      6     var p = params[j];
      7     if (p == key) {
      8       return true;
      9     }
     10     if (p.indexOf(key + "=") == 0) {
     11       return p.substring(key.length + 1);
     12     }
     13     if (!p.includes("=") && key == "") {
     14       return p;
     15     }
     16   }
     17   return false;
     18 }
     19 
     20 function handleRequest(request, response) {
     21   try {
     22     // Get the filename to send back.
     23     var filename = parseQuery(request, "file");
     24 
     25     var file = Services.dirsvc.get("CurWorkD", Ci.nsIFile);
     26     var fis = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
     27       Ci.nsIFileInputStream
     28     );
     29     var bis = Cc["@mozilla.org/binaryinputstream;1"].createInstance(
     30       Ci.nsIBinaryInputStream
     31     );
     32     var paths = "tests/dom/media/test/" + filename;
     33     dump(paths + "\n");
     34     var split = paths.split("/");
     35     for (var i = 0; i < split.length; ++i) {
     36       file.append(split[i]);
     37     }
     38     fis.init(file, -1, -1, false);
     39 
     40     // handle range requests
     41     var partialstart = 0,
     42       partialend = file.fileSize - 1;
     43     if (request.hasHeader("Range")) {
     44       var range = request.getHeader("Range");
     45       var parts = range.replace(/bytes=/, "").split("-");
     46       partialstart = parts[0];
     47       partialend = parts[1];
     48       if (!partialend.length) {
     49         partialend = file.fileSize - 1;
     50       }
     51       response.setStatusLine(request.httpVersion, 206, "Partial Content");
     52       var contentRange =
     53         "bytes " + partialstart + "-" + partialend + "/" + file.fileSize;
     54       response.setHeader("Content-Range", contentRange);
     55     }
     56 
     57     fis.seek(Ci.nsISeekableStream.NS_SEEK_SET, partialstart);
     58     bis.setInputStream(fis);
     59 
     60     var sendContentType = parseQuery(request, "nomime");
     61     if (!sendContentType) {
     62       var contentType = parseQuery(request, "type");
     63       if (!contentType) {
     64         // This should not happen.
     65         dump("No type specified without having 'nomime' in parameters.");
     66         return;
     67       }
     68       response.setHeader("Content-Type", contentType, false);
     69     }
     70     response.setHeader("Content-Length", "" + bis.available(), false);
     71 
     72     var bytes = bis.readBytes(bis.available());
     73     response.write(bytes, bytes.length);
     74   } catch (e) {
     75     dump("ERROR : " + e + "\n");
     76   }
     77 }