Implement Networking Private API VerifyAndEncryptCredentials method

chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_win.cc

Index: chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_win.cc
diff --git a/chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_win.cc b/chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5b92db7e370d81f87ee87a9feb38838ce78b9495
--- /dev/null
+++ b/chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_win.cc
@@ -0,0 +1,125 @@
+// Copyright 2014 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/extensions/api/networking_private/networking_private_credentials_getter.h"
+
+#include "base/bind.h"
+#include "base/memory/scoped_handle.h"
+#include "base/message_loop/message_loop.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "chrome/common/chrome_utility_messages.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host.h"
+
+using content::BrowserThread;
+using content::UtilityProcessHost;
+
+namespace extensions {
+
+class NetworkingPrivateCredentialsGetterWin
+    : public content::UtilityProcessHostClient,
+      public NetworkingPrivateCredentialsGetter {
+ public:
+  explicit NetworkingPrivateCredentialsGetterWin(
+      const GetCredentialsCallback& callback);
+
+  virtual void Start(const std::string& network_guid,
+                     const std::string& public_key) OVERRIDE;
+
+  virtual void ReportResult(const std::string& key_data,
+                            const std::string& error) OVERRIDE;
+ private:
+  friend class ProcessHostClient;
+
+  virtual ~NetworkingPrivateCredentialsGetterWin();
+
+  // Starts the utility process that gets wifi passphrase from system.
+  void StartProcessOnIOThread(const std::string& network_guid,
+                              const std::string& public_key);
+
+  // UtilityProcessHostClient
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void OnProcessCrashed(int exit_code) OVERRIDE;
+
+  // IPC message handlers.
+  void OnGotEncryptedCredentials(const std::string& key_data,
+                                 const std::string& error);
+
+
+  // The callback.
+  GetCredentialsCallback callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateCredentialsGetterWin);
+};
+
+NetworkingPrivateCredentialsGetterWin::NetworkingPrivateCredentialsGetterWin(
+    const GetCredentialsCallback& callback) : callback_(callback) {
+}
+
+void NetworkingPrivateCredentialsGetterWin::Start(
+    const std::string& network_guid,
+    const std::string& public_key) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&NetworkingPrivateCredentialsGetterWin::StartProcessOnIOThread,
+                 this,
+                 network_guid,
+                 public_key));
+}
+
+NetworkingPrivateCredentialsGetterWin::~NetworkingPrivateCredentialsGetterWin()
+{ }
+
+bool NetworkingPrivateCredentialsGetterWin::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(NetworkingPrivateCredentialsGetterWin, message)
+    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_GotEncryptedWiFiCredentials,
+                        OnGotEncryptedCredentials)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void NetworkingPrivateCredentialsGetterWin::OnProcessCrashed(int exit_code) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  ReportResult("", "Process Crashed");
+}
+
+void NetworkingPrivateCredentialsGetterWin::StartProcessOnIOThread(
+    const std::string& network_guid,
+    const std::string& public_key) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  UtilityProcessHost* host = UtilityProcessHost::Create(
+      this,
+      base::MessageLoopProxy::current().get());
+  host->Send(new ChromeUtilityHostMsg_GetAndEncryptWiFiCredentials(
+      network_guid, public_key));
+}
+
+void NetworkingPrivateCredentialsGetterWin::OnGotEncryptedCredentials(
+    const std::string& key_data,
+    const std::string& error) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  ReportResult(key_data, error);
+}
+
+void NetworkingPrivateCredentialsGetterWin::ReportResult(
+    const std::string& key_data,
+    const std::string& error) {
+  if (!callback_.is_null()) {
+    BrowserThread::PostTask(BrowserThread::UI,
+                            FROM_HERE,
+                            base::Bind(callback_, key_data, error));
+  }
+}
+
+NetworkingPrivateCredentialsGetter* NetworkingPrivateCredentialsGetter::Create(
+    const GetCredentialsCallback& callback) {
+  return new NetworkingPrivateCredentialsGetterWin(callback);
+}
+
+}  // namespace extensions