1 files changed, 166 insertions, 0 deletions
diff --git a/image/test/unit/test_private_channel.js b/image/test/unit/test_private_channel.js
new file mode 100644
index 0000000000..9ed702baf1
--- /dev/null
+++ b/image/test/unit/test_private_channel.js
@@ -0,0 +1,166 @@
+const { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+const ReferrerInfo = Components.Constructor(
+  "@mozilla.org/referrer-info;1",
+  "nsIReferrerInfo",
+  "init"
+);
+
+var server = new HttpServer();
+server.registerPathHandler("/image.png", imageHandler);
+server.start(-1);
+
+/* import-globals-from image_load_helpers.js */
+load("image_load_helpers.js");
+
+var gHits = 0;
+
+var gIoService = Services.io;
+var gPublicLoader = Cc["@mozilla.org/image/loader;1"].createInstance(
+  Ci.imgILoader
+);
+var gPrivateLoader = Cc["@mozilla.org/image/loader;1"].createInstance(
+  Ci.imgILoader
+);
+gPrivateLoader.QueryInterface(Ci.imgICache).respectPrivacyNotifications();
+
+var nonPrivateLoadContext = Cu.createLoadContext();
+var privateLoadContext = Cu.createPrivateLoadContext();
+
+function imageHandler(metadata, response) {
+  gHits++;
+  response.setHeader("Cache-Control", "max-age=10000", false);
+  response.setStatusLine(metadata.httpVersion, 200, "OK");
+  response.setHeader("Content-Type", "image/png", false);
+  var body = atob(
+    "iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII="
+  );
+  response.bodyOutputStream.write(body, body.length);
+}
+
+var requests = [];
+var listeners = [];
+
+var gImgPath = "http://localhost:" + server.identity.primaryPort + "/image.png";
+
+function setup_chan(path, isPrivate, callback) {
+  var uri = NetUtil.newURI(gImgPath);
+  var securityFlags = Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL;
+  var principal = Services.scriptSecurityManager.createContentPrincipal(uri, {
+    privateBrowsingId: isPrivate ? 1 : 0,
+  });
+  var chan = NetUtil.newChannel({
+    uri,
+    loadingPrincipal: principal,
+    securityFlags,
+    contentPolicyType: Ci.nsIContentPolicy.TYPE_INTERNAL_IMAGE,
+  });
+  chan.notificationCallbacks = isPrivate
+    ? privateLoadContext
+    : nonPrivateLoadContext;
+  var channelListener = new ChannelListener();
+  chan.asyncOpen(channelListener);
+
+  var listener = new ImageListener(null, callback);
+  var outlistener = {};
+  var loader = isPrivate ? gPrivateLoader : gPublicLoader;
+  var outer = Cc["@mozilla.org/image/tools;1"]
+    .getService(Ci.imgITools)
+    .createScriptedObserver(listener);
+  listeners.push(outer);
+  requests.push(
+    loader.loadImageWithChannelXPCOM(chan, outer, null, outlistener)
+  );
+  channelListener.outputListener = outlistener.value;
+  listener.synchronous = false;
+}
+
+function loadImage(isPrivate, callback) {
+  var listener = new ImageListener(null, callback);
+  var outer = Cc["@mozilla.org/image/tools;1"]
+    .getService(Ci.imgITools)
+    .createScriptedObserver(listener);
+  var uri = gIoService.newURI(gImgPath);
+  var loadGroup = Cc["@mozilla.org/network/load-group;1"].createInstance(
+    Ci.nsILoadGroup
+  );
+  loadGroup.notificationCallbacks = isPrivate
+    ? privateLoadContext
+    : nonPrivateLoadContext;
+  var loader = isPrivate ? gPrivateLoader : gPublicLoader;
+  var referrerInfo = new ReferrerInfo(
+    Ci.nsIReferrerInfo.NO_REFERRER_WHEN_DOWNGRADE,
+    true,
+    null
+  );
+  requests.push(
+    loader.loadImageXPCOM(
+      uri,
+      null,
+      referrerInfo,
+      null,
+      loadGroup,
+      outer,
+      null,
+      0,
+      null
+    )
+  );
+  listener.synchronous = false;
+}
+
+function run_loadImage_tests() {
+  function observer() {
+    Services.obs.removeObserver(observer, "cacheservice:empty-cache");
+    gHits = 0;
+    loadImage(false, function() {
+      loadImage(false, function() {
+        loadImage(true, function() {
+          loadImage(true, function() {
+            Assert.equal(gHits, 2);
+            server.stop(do_test_finished);
+          });
+        });
+      });
+    });
+  }
+
+  for (let loader of [gPublicLoader, gPrivateLoader]) {
+    loader.QueryInterface(Ci.imgICache).clearCache(true);
+    loader.QueryInterface(Ci.imgICache).clearCache(false);
+  }
+  Services.obs.addObserver(observer, "cacheservice:empty-cache");
+  let cs = Services.cache2;
+  cs.clear();
+}
+
+function cleanup() {
+  for (var i = 0; i < requests.length; ++i) {
+    requests[i].cancelAndForgetObserver(0);
+  }
+}
+
+function run_test() {
+  registerCleanupFunction(cleanup);
+
+  do_test_pending();
+
+  Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
+
+  // We create a public channel that loads an image, then an identical
+  // one that should cause a cache read. We then create a private channel
+  // and load the same image, and do that a second time to ensure a cache
+  // read. In total, we should cause two separate http responses to occur,
+  // since the private channels shouldn't be able to use the public cache.
+  setup_chan("/image.png", false, function() {
+    setup_chan("/image.png", false, function() {
+      setup_chan("/image.png", true, function() {
+        setup_chan("/image.png", true, function() {
+          Assert.equal(gHits, 2);
+          run_loadImage_tests();
+        });
+      });
+    });
+  });
+}