The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/apps/tests/signed_app.sjs	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,111 @@
     1.4 +var Cc = Components.classes;
     1.5 +var Ci = Components.interfaces;
     1.6 +var Cu = Components.utils;
     1.7 +
     1.8 +// From prio.h
     1.9 +const PR_RDWR        = 0x04;
    1.10 +const PR_CREATE_FILE = 0x08;
    1.11 +const PR_TRUNCATE    = 0x20;
    1.12 +
    1.13 +const CUR_WORK_DIR = "CurWorkD";
    1.14 +
    1.15 +Cu.import("resource://gre/modules/NetUtil.jsm");
    1.16 +
    1.17 +var gBasePath = "tests/dom/apps/tests/";
    1.18 +var gMiniManifestTemplate = "signed_app_template.webapp";
    1.19 +var gAppName = "Simple App";
    1.20 +var gDevName = "David Clarke";
    1.21 +var gDevUrl = "http://dev.url";
    1.22 +
    1.23 +function handleRequest(request, response) {
    1.24 +  var query = getQuery(request);
    1.25 +
    1.26 +  response.setHeader("Access-Control-Allow-Origin", "*", false);
    1.27 +
    1.28 +  var version = ("version" in query) ? query.version : "1";
    1.29 +  var app = ("app" in query) ? query.app : "valid";
    1.30 +  var prevVersion = getState("version");
    1.31 +
    1.32 +  if (version != prevVersion) {
    1.33 +    setState("version", version);
    1.34 +  }
    1.35 +  var packageName = app + "_app_" + version + ".zip";
    1.36 +  setState("packageName", packageName);
    1.37 +  var packagePath = "/" + gBasePath + "signed/" + packageName;
    1.38 +  setState("packagePath", packagePath);
    1.39 +  var packageSize = readSize(packagePath);
    1.40 +
    1.41 +  var etag = getEtag(request, version);
    1.42 +
    1.43 +  if (etagMatches(request, etag)) {
    1.44 +    dump("Etags Match. Sending 304\n");
    1.45 +    response.setStatusLine(request.httpVersion, "304", "Not modified");
    1.46 +    return;
    1.47 +  }
    1.48 +  response.setHeader("Etag", etag, false);
    1.49 +
    1.50 +  // Serve the mini-manifest corresponding to the requested app version.
    1.51 +  var template = gBasePath + gMiniManifestTemplate;
    1.52 +
    1.53 +  response.setHeader("Content-Type",
    1.54 +                     "application/x-web-app-manifest+json", false);
    1.55 +  var manifest = makeResource(template, version, packagePath, packageSize,
    1.56 +                              gAppName, gDevName, gDevUrl);
    1.57 +  response.write(manifest);
    1.58 +}
    1.59 +
    1.60 +function getQuery(request) {
    1.61 +  var query = {};
    1.62 +  request.queryString.split('&').forEach(function (val) {
    1.63 +    var [name, value] = val.split('=');
    1.64 +    query[decodeURIComponent(name)] = decodeURIComponent(value);
    1.65 +  });
    1.66 +  return query;
    1.67 +}
    1.68 +
    1.69 +function getEtag(request, version) {
    1.70 +  return request.queryString.replace(/[&=]/g, '-') + '-' + version;
    1.71 +}
    1.72 +
    1.73 +function etagMatches(request, etag) {
    1.74 +  return request.hasHeader("If-None-Match") &&
    1.75 +         request.getHeader("If-None-Match") == etag;
    1.76 +}
    1.77 +
    1.78 +// File and resources helpers
    1.79 +
    1.80 +function readSize(path) {
    1.81 +  var file = Cc["@mozilla.org/file/directory_service;1"].
    1.82 +               getService(Ci.nsIProperties).get(CUR_WORK_DIR, Ci.nsILocalFile);
    1.83 +  var split = path.split("/");
    1.84 +  for (var i = 0; i < split.length; ++i) {
    1.85 +    file.append(split[i]);
    1.86 +  }
    1.87 +  return file.fileSize;
    1.88 +}
    1.89 +
    1.90 +function readFile(path) {
    1.91 +  var file = Cc["@mozilla.org/file/directory_service;1"]
    1.92 +             .getService(Ci.nsIProperties)
    1.93 +             .get(CUR_WORK_DIR, Ci.nsILocalFile);
    1.94 +  var fstream = Cc["@mozilla.org/network/file-input-stream;1"]
    1.95 +                .createInstance(Ci.nsIFileInputStream);
    1.96 +  var split = path.split("/");
    1.97 +  for (var i = 0; i < split.length; ++i) {
    1.98 +    file.append(split[i]);
    1.99 +  }
   1.100 +  fstream.init(file, -1, 0, 0);
   1.101 +  var data = NetUtil.readInputStreamToString(fstream, fstream.available());
   1.102 +  fstream.close();
   1.103 +  return data;
   1.104 +}
   1.105 +
   1.106 +function makeResource(templatePath, version, packagePath, packageSize,
   1.107 +                      appName, developerName, developerUrl) {
   1.108 +  var res = readFile(templatePath).
   1.109 +              replace(/VERSIONTOKEN/g, version).
   1.110 +              replace(/PACKAGEPATHTOKEN/g, packagePath).
   1.111 +              replace(/PACKAGESIZETOKEN/g, packageSize).
   1.112 +              replace(/NAMETOKEN/g, appName);
   1.113 +  return res;
   1.114 +}