Credential passing for WifiManager in Windows

chrome/browser/local_discovery/wifi/credential_getter_win.cc

+// 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/local_discovery/wifi/credential_getter_win.h"
+#include "chrome/common/chrome_utility_messages.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host.h"
+
+namespace local_discovery {
+
+namespace wifi {
+
+CredentialGetterWin::CredentialGetterWin() {
+}
+
+CredentialGetterWin::~CredentialGetterWin() {
+}
+
+void CredentialGetterWin::StartGetCredentials(
+    const std::string& network_guid,
+    const CredentialsCallback& callback) {
+  callback_ = callback;
+  if (!callback_runner_)
+    callback_runner_ = base::MessageLoopProxy::current();
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&CredentialGetterWin::StartOnIOThread, this, network_guid));
+}
+
+void CredentialGetterWin::SetCallbackRunner(
+    const scoped_refptr<base::TaskRunner>& callback_runner) {
+  callback_runner_ = callback_runner;
+}
+
+void CredentialGetterWin::StartOnIOThread(const std::string& network_guid) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
+  content::UtilityProcessHost* host = content::UtilityProcessHost::Create(
+      this, base::MessageLoopProxy::current());
+  host->ElevatePrivileges();
+  host->Send(new ChromeUtilityHostMsg_GetWiFiCredentials(network_guid));
+}
+
+bool CredentialGetterWin::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(CredentialGetterWin, message)
+  IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_GotWiFiCredentials, OnGotCredentials)
+  IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void CredentialGetterWin::OnProcessCrashed(int exit_code) {
+  PostCallback(false /* success */, "" /* no key data */);
+}
+
+void CredentialGetterWin::OnProcessLaunchFailed() {
+  PostCallback(false /* success */, "" /* no key data */);
+}
+
+void CredentialGetterWin::OnGotCredentials(const std::string& key_data,
+                                           bool success) {
+  PostCallback(success, key_data);
+}
+
+void CredentialGetterWin::PostCallback(bool success,
+                                       const std::string& key_data) {
+  callback_runner_->PostTask(FROM_HERE,
+                             base::Bind(callback_, success, key_data));
+}
+
+}  // namespace wifi
+}  // namespace local_discovery