import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/test/unit/test_signature_extraction.js

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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * This file tests signature extraction using Windows Authenticode APIs of
+ * downloaded files.
+ */
+
+////////////////////////////////////////////////////////////////////////////////
+//// Globals
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
+                                  "resource://gre/modules/FileUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
+                                  "resource://gre/modules/NetUtil.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Promise",
+                                  "resource://gre/modules/Promise.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Task",
+                                  "resource://gre/modules/Task.jsm");
+
+const BackgroundFileSaverOutputStream = Components.Constructor(
+      "@mozilla.org/network/background-file-saver;1?mode=outputstream",
+      "nsIBackgroundFileSaver");
+
+const StringInputStream = Components.Constructor(
+      "@mozilla.org/io/string-input-stream;1",
+      "nsIStringInputStream",
+      "setData");
+
+const TEST_FILE_NAME_1 = "test-backgroundfilesaver-1.txt";
+
+/**
+ * Returns a reference to a temporary file.  If the file is then created, it
+ * will be removed when tests in this file finish.
+ */
+function getTempFile(aLeafName) {
+  let file = FileUtils.getFile("TmpD", [aLeafName]);
+  do_register_cleanup(function GTF_cleanup() {
+    if (file.exists()) {
+      file.remove(false);
+    }
+  });
+  return file;
+}
+
+/**
+ * Waits for the given saver object to complete.
+ *
+ * @param aSaver
+ *        The saver, with the output stream or a stream listener implementation.
+ * @param aOnTargetChangeFn
+ *        Optional callback invoked with the target file name when it changes.
+ *
+ * @return {Promise}
+ * @resolves When onSaveComplete is called with a success code.
+ * @rejects With an exception, if onSaveComplete is called with a failure code.
+ */
+function promiseSaverComplete(aSaver, aOnTargetChangeFn) {
+  let deferred = Promise.defer();
+  aSaver.observer = {
+    onTargetChange: function BFSO_onSaveComplete(aSaver, aTarget)
+    {
+      if (aOnTargetChangeFn) {
+        aOnTargetChangeFn(aTarget);
+      }
+    },
+    onSaveComplete: function BFSO_onSaveComplete(aSaver, aStatus)
+    {
+      if (Components.isSuccessCode(aStatus)) {
+        deferred.resolve();
+      } else {
+        deferred.reject(new Components.Exception("Saver failed.", aStatus));
+      }
+    },
+  };
+  return deferred.promise;
+}
+
+/**
+ * Feeds a string to a BackgroundFileSaverOutputStream.
+ *
+ * @param aSourceString
+ *        The source data to copy.
+ * @param aSaverOutputStream
+ *        The BackgroundFileSaverOutputStream to feed.
+ * @param aCloseWhenDone
+ *        If true, the output stream will be closed when the copy finishes.
+ *
+ * @return {Promise}
+ * @resolves When the copy completes with a success code.
+ * @rejects With an exception, if the copy fails.
+ */
+function promiseCopyToSaver(aSourceString, aSaverOutputStream, aCloseWhenDone) {
+  let deferred = Promise.defer();
+  let inputStream = new StringInputStream(aSourceString, aSourceString.length);
+  let copier = Cc["@mozilla.org/network/async-stream-copier;1"]
+               .createInstance(Ci.nsIAsyncStreamCopier);
+  copier.init(inputStream, aSaverOutputStream, null, false, true, 0x8000, true,
+              aCloseWhenDone);
+  copier.asyncCopy({
+    onStartRequest: function () { },
+    onStopRequest: function (aRequest, aContext, aStatusCode)
+    {
+      if (Components.isSuccessCode(aStatusCode)) {
+        deferred.resolve();
+      } else {
+        deferred.reject(new Components.Exception(aResult));
+      }
+    },
+  }, null);
+  return deferred.promise;
+}
+
+var gStillRunning = true;
+
+////////////////////////////////////////////////////////////////////////////////
+//// Tests
+
+function run_test()
+{
+  run_next_test();
+}
+
+add_task(function test_setup()
+{
+  // Wait 10 minutes, that is half of the external xpcshell timeout.
+  do_timeout(10 * 60 * 1000, function() {
+    if (gStillRunning) {
+      do_throw("Test timed out.");
+    }
+  })
+});
+
+function readFileToString(aFilename) {
+  let f = do_get_file(aFilename);
+  let stream = Cc["@mozilla.org/network/file-input-stream;1"]
+                 .createInstance(Ci.nsIFileInputStream);
+  stream.init(f, -1, 0, 0);
+  let buf = NetUtil.readInputStreamToString(stream, stream.available());
+  return buf;
+}
+
+add_task(function test_signature()
+{
+  // Check that we get a signature if the saver is finished on Windows.
+  let destFile = getTempFile(TEST_FILE_NAME_1);
+
+  let data = readFileToString("data/signed_win.exe");
+  let saver = new BackgroundFileSaverOutputStream();
+  let completionPromise = promiseSaverComplete(saver);
+
+  try {
+    let signatureInfo = saver.signatureInfo;
+    do_throw("Can't get signature before saver is complete.");
+  } catch (ex if ex.result == Cr.NS_ERROR_NOT_AVAILABLE) { }
+
+  saver.enableSignatureInfo();
+  saver.setTarget(destFile, false);
+  yield promiseCopyToSaver(data, saver, true);
+
+  saver.finish(Cr.NS_OK);
+  yield completionPromise;
+
+  // There's only one nsIX509CertList in the signature array.
+  do_check_eq(1, saver.signatureInfo.length);
+  let certLists = saver.signatureInfo.enumerate();
+  do_check_true(certLists.hasMoreElements());
+  let certList = certLists.getNext().QueryInterface(Ci.nsIX509CertList);
+  do_check_false(certLists.hasMoreElements());
+
+  // Check that it has 3 certs.
+  let certs = certList.getEnumerator();
+  do_check_true(certs.hasMoreElements());
+  let signer = certs.getNext().QueryInterface(Ci.nsIX509Cert);
+  do_check_true(certs.hasMoreElements());
+  let issuer = certs.getNext().QueryInterface(Ci.nsIX509Cert);
+  do_check_true(certs.hasMoreElements());
+  let root = certs.getNext().QueryInterface(Ci.nsIX509Cert);
+  do_check_false(certs.hasMoreElements());
+
+  // Check that the certs have expected strings attached.
+  let organization = "Microsoft Corporation";
+  do_check_eq("Microsoft Corporation", signer.commonName);
+  do_check_eq(organization, signer.organization);
+  do_check_eq("Copyright (c) 2002 Microsoft Corp.", signer.organizationalUnit);
+
+  do_check_eq("Microsoft Code Signing PCA", issuer.commonName);
+  do_check_eq(organization, issuer.organization);
+  do_check_eq("Copyright (c) 2000 Microsoft Corp.", issuer.organizationalUnit);
+
+  do_check_eq("Microsoft Root Authority", root.commonName);
+  do_check_false(root.organization);
+  do_check_eq("Copyright (c) 1997 Microsoft Corp.", root.organizationalUnit);
+
+  // Clean up.
+  destFile.remove(false);
+});
+
+add_task(function test_teardown()
+{
+  gStillRunning = false;
+});