The Tor Browser: dom/apps/tests/file_packaged_app.sjs@b8a032363ba2 (annotated)

dom/apps/tests/file_packaged_app.sjs@b8a032363ba2 (annotated)

dom/apps/tests/file_packaged_app.sjs

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 var Cc = Components.classes;
 var Ci = Components.interfaces;
 var Cu = Components.utils;
 // From prio.h
 const PR_RDWR        = 0x04;
 const PR_CREATE_FILE = 0x08;
 const PR_TRUNCATE    = 0x20;
 Cu.import("resource://gre/modules/FileUtils.jsm");
 Cu.import("resource://gre/modules/NetUtil.jsm");
 var gBasePath = "tests/dom/apps/tests/";
 var gMiniManifestTemplate = "file_packaged_app.template.webapp";
 var gAppTemplate = "file_packaged_app.template.html";
 var gAppName = "appname";
 var gDevName = "devname";
 var gDevUrl = "http://dev.url";
 function handleRequest(request, response) {
   var query = getQuery(request);
   response.setHeader("Access-Control-Allow-Origin", "*", false);
   var packageSize = ("packageSize" in query) ? query.packageSize : 0;
   var appName = ("appName" in query) ? query.appName : gAppName;
   var devName = ("devName" in query) ? query.devName : gDevName;
   var devUrl = ("devUrl" in query) ? query.devUrl : gDevUrl;
   // If this is a version update, update state, prepare the manifest,
   // the application package and return.
   if ("setVersion" in query) {
     var version = query.setVersion;
     setState("version", version);
     var packageVersion = ("dontUpdatePackage" in query) ? version - 1 : version;
     var packageName = "test_packaged_app_" + packageVersion + ".zip";
     setState("packageName", packageName);
     var packagePath = "/" + gBasePath + "file_packaged_app.sjs?getPackage=" +
                       packageName;
     setState("packagePath", packagePath);
     if (version == packageVersion) {
       // Create the application package.
       var zipWriter = Cc["@mozilla.org/zipwriter;1"]
                         .createInstance(Ci.nsIZipWriter);
       var zipFile = FileUtils.getFile("TmpD", [packageName]);
       zipWriter.open(zipFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
       // We want to run some tests without the manifest included in the zip.
       if (version != "0") {
         var manifestTemplate = gBasePath + gMiniManifestTemplate;
         var manifest = makeResource(manifestTemplate, version, packagePath,
                                     packageSize, appName, devName, devUrl);
         addZipEntry(zipWriter, manifest, "manifest.webapp");
       }
       var appTemplate = gBasePath + gAppTemplate;
       var app = makeResource(appTemplate, version, packagePath, packageSize,
                              appName, devName, devUrl);
       addZipEntry(zipWriter, app, "index.html");
       zipWriter.close();
     }
     response.setHeader("Content-Type", "text/html", false);
     response.write("OK");
     return;
   }
   // Get the version from server state
   var version = Number(getState("version"));
   var packageName = String(getState("packageName"));
   var packagePath = String(getState("packagePath"));
   var etag = getEtag(request, version);
   if (etagMatches(request, etag)) {
     dump("Etags Match. Sending 304\n");
     response.setStatusLine(request.httpVersion, "304", "Not modified");
     return;
   }
   response.setHeader("Etag", etag, false);
   // Serve the application package corresponding to the requested app version.
   if ("getPackage" in query) {
     var resource = readFile(packageName, true);
     response.setHeader("Content-Type",
                        "Content-Type: application/java-archive", false);
     response.write(resource);
     return;
   }
   // Serve the mini-manifest corresponding to the requested app version.
   if ("getManifest" in query) {
     var template = gBasePath + gMiniManifestTemplate;
     if (!("noManifestContentType" in query)) {
       response.setHeader("Content-Type",
                          "application/x-web-app-manifest+json", false);
     }
     packagePath = "wrongPackagePath" in query ? "" : packagePath;
     var manifest = makeResource(template, version, packagePath, packageSize,
                                 appName, devName, devUrl);
     response.write(manifest);
     return;
   }
   response.setHeader("Content-type", "text-html", false);
   response.write("KO");
 }
 function getQuery(request) {
   var query = {};
   request.queryString.split('&').forEach(function (val) {
     var [name, value] = val.split('=');
     query[name] = unescape(value);
   });
   return query;
 }
 function getEtag(request, version) {
   return request.queryString.replace(/&/g, '-').replace(/=/g, '-') +
          '-' + version;
 }
 function etagMatches(request, etag) {
   return request.hasHeader("If-None-Match") &&
          request.getHeader("If-None-Match") == etag;
 }
 // File and resources helpers
 function addZipEntry(zipWriter, entry, entryName) {
   var stream = Cc["@mozilla.org/io/string-input-stream;1"]
                .createInstance(Ci.nsIStringInputStream);
   stream.setData(entry, entry.length);
   zipWriter.addEntryStream(entryName, Date.now(),
                            Ci.nsIZipWriter.COMPRESSION_BEST, stream, false);
 }
 function readFile(path, fromTmp) {
   var dir = fromTmp ? "TmpD" : "CurWorkD";
   var file = Cc["@mozilla.org/file/directory_service;1"]
              .getService(Ci.nsIProperties)
              .get(dir, Ci.nsILocalFile);
   var fstream = Cc["@mozilla.org/network/file-input-stream;1"]
                 .createInstance(Ci.nsIFileInputStream);
   var split = path.split("/");
   for(var i = 0; i < split.length; ++i) {
     file.append(split[i]);
   }
   fstream.init(file, -1, 0, 0);
   var data = NetUtil.readInputStreamToString(fstream, fstream.available());
   fstream.close();
   return data;
 }
 function makeResource(templatePath, version, packagePath, packageSize,
                       appName, developerName, developerUrl) {
   var res = readFile(templatePath, false)
             .replace(/VERSIONTOKEN/g, version)
             .replace(/PACKAGEPATHTOKEN/g, packagePath)
             .replace(/PACKAGESIZETOKEN/g, packageSize)
             .replace(/NAMETOKEN/g, appName)
             .replace(/DEVELOPERTOKEN/g, developerName)
             .replace(/DEVELOPERURLTOKEN/g, developerUrl);
   return res;
 }

The Tor Browser / annotate

dom/apps/tests/file_packaged_app.sjs@b8a032363ba2 (annotated)

dom/apps/tests/file_packaged_app.sjs