Make an online wildcard login check for enterprise devices.

chrome/browser/chromeos/policy/wildcard_login_checker.cc

+// Copyright (c) 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/chromeos/policy/wildcard_login_checker.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/policy/policy_oauth2_token_fetcher.h"
+#include "components/policy/core/browser/browser_policy_connector.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace policy {
+
+namespace {
+
+// Presence of this key in the userinfo response indicates whether the user is
+// on a hosted domain.
+const char kHostedDomainKey[] = "hd";
+
+}  // namespace
+
+WildcardLoginChecker::WildcardLoginChecker() {}
+
+WildcardLoginChecker::~WildcardLoginChecker() {}
+
+void WildcardLoginChecker::Start(
+    scoped_refptr<net::URLRequestContextGetter> signin_context,
+    const StatusCallback& callback) {
+  CHECK(!token_fetcher_);
+  CHECK(!user_info_fetcher_);
+  callback_ = callback;
+  token_fetcher_.reset(new PolicyOAuth2TokenFetcher(
+      signin_context,
+      g_browser_process->system_request_context(),
+      base::Bind(&WildcardLoginChecker::OnPolicyTokenFetched,
+                 base::Unretained(this))));
+  token_fetcher_->Start();
+}
+
+void WildcardLoginChecker::StartWithAccessToken(
+    const std::string& access_token,
+    const StatusCallback& callback) {
+  CHECK(!token_fetcher_);
+  CHECK(!user_info_fetcher_);
+  callback_ = callback;
+
+  StartUserInfoFetcher(access_token);
+}
+
+void WildcardLoginChecker::OnGetUserInfoSuccess(
+    const base::DictionaryValue* response) {
+  OnCheckCompleted(response->HasKey(kHostedDomainKey));
+}
+
+void WildcardLoginChecker::OnGetUserInfoFailure(
+    const GoogleServiceAuthError& error) {
+  LOG(ERROR) << "Failed to fetch policy token " << error.ToString();

[xiyuan, 2014/01/29 03:45:09]

nit: "Failed to get user info " since it's not about fetching policy token.

[Mattias Nissler (ping if slow), 2014/01/29 12:12:32]

Doh. Done.

+  OnCheckCompleted(false);
+}
+
+void WildcardLoginChecker::OnPolicyTokenFetched(
+    const std::string& access_token,
+    const GoogleServiceAuthError& error) {
+  if (error.state() != GoogleServiceAuthError::NONE) {
+    LOG(ERROR) << "Failed to fetch policy token " << error.ToString();
+    OnCheckCompleted(false);
+    return;
+  }
+
+  token_fetcher_.reset();
+  StartUserInfoFetcher(access_token);
+}
+
+void WildcardLoginChecker::StartUserInfoFetcher(
+    const std::string& access_token) {
+  user_info_fetcher_.reset(
+      new UserInfoFetcher(this, g_browser_process->system_request_context()));
+  user_info_fetcher_->Start(access_token);
+}
+
+void WildcardLoginChecker::OnCheckCompleted(bool result) {
+  if (!callback_.is_null())
+    callback_.Run(result);
+}
+
+}  // namespace policy