Notify the CrOS Enterprise Daemon if an Enterprise Extension has been installed

Listen for extension install events and restart the Enterprise Daemon if an extension was installed, that is from a policy and it contains the policy marker file.

BUG=chromeos:9702
TEST=manual

Review URL: http://codereview.chromium.org/5311007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67847 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 65 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/enterprise_extension_observer.cc b/chrome/browser/chromeos/enterprise_extension_observer.cc
new file mode 100644
index 0000000..8e6c620
--- /dev/null
+++ b/chrome/browser/chromeos/enterprise_extension_observer.cc
@@ -0,0 +1,65 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/enterprise_extension_observer.h"
+
+#include "base/file_util.h"
+#include "chrome/browser/browser_thread.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/login_library.h"
+#include "chrome/browser/profile.h"
+
+namespace chromeos {
+
+EnterpriseExtensionObserver::EnterpriseExtensionObserver(Profile* profile)
+    : profile_(profile) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  registrar_.Add(this,
+                 NotificationType::EXTENSION_INSTALLED,
+                 Source<Profile>(profile_));
+}
+
+void EnterpriseExtensionObserver::Observe(NotificationType type,
+                                          const NotificationSource& source,
+                                          const NotificationDetails& details) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(type == NotificationType::EXTENSION_INSTALLED);
+  if (Source<Profile>(source).ptr() != profile_) {
+    return;
+  }
+  Extension* extension = Details<Extension>(details).ptr();
+  if (extension->location() != Extension::EXTERNAL_POLICY_DOWNLOAD) {
+    return;
+  }
+  BrowserThread::PostTask(
+      BrowserThread::FILE,
+      FROM_HERE,
+      NewRunnableFunction(
+          &EnterpriseExtensionObserver::CheckExtensionAndNotifyEntd,
+          extension->path()));
+}
+
+// static
+void EnterpriseExtensionObserver::CheckExtensionAndNotifyEntd(
+    const FilePath& path) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  if (file_util::PathExists(
+      path.Append(FILE_PATH_LITERAL("isa-cros-policy")))) {
+    BrowserThread::PostTask(
+        BrowserThread::UI,
+        FROM_HERE,
+        NewRunnableFunction(&EnterpriseExtensionObserver::NotifyEntd));
+  }
+}
+
+// static
+void EnterpriseExtensionObserver::NotifyEntd() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  if (CrosLibrary::Get()->EnsureLoaded()) {
+    CrosLibrary::Get()->GetLoginLibrary()->RestartEntd();
+    return;
+  }
+}
+
+}  // namespace chromeos