Make an online wildcard login check for enterprise devices.

chrome/browser/chromeos/policy/wildcard_login_checker.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_POLICY_WILDCARD_LOGIN_CHECKER_H_
+#define CHROME_BROWSER_CHROMEOS_POLICY_WILDCARD_LOGIN_CHECKER_H_
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/policy/core/common/cloud/user_info_fetcher.h"
+#include "google_apis/gaia/google_service_auth_error.h"
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+namespace policy {
+
+class PolicyOAuth2TokenFetcher;
+
+// Performs online verification whether wildcard login is allowed, i.e. whether
+// the user is a hosted user. This class performs an asynchronous check and
+// reports the result via a callback.
+class WildcardLoginChecker : public UserInfoFetcher::Delegate {
+ public:
+  typedef base::Callback<void(bool)> StatusCallback;
+
+  WildcardLoginChecker();
+  virtual ~WildcardLoginChecker();
+
+  // Starts checking. The result will be reported via |callback_|.
+  void Start(scoped_refptr<net::URLRequestContextGetter> signin_context,
+             const StatusCallback& callback);
+
+  // Starts checking with a provided access token.
+  void StartWithAccessToken(const std::string& access_token,
+                            const StatusCallback& callback);
+
+  // UserInfoFetcher::Delegate:
+  virtual void OnGetUserInfoSuccess(const base::DictionaryValue* response)
+      OVERRIDE;
+  virtual void OnGetUserInfoFailure(const GoogleServiceAuthError& error)
+      OVERRIDE;
+
+ private:
+  // Starts the check after successful token minting.
+  void OnPolicyTokenFetched(const std::string& access_token,
+                            const GoogleServiceAuthError& error);
+
+  // Starts the user info fetcher.
+  void StartUserInfoFetcher(const std::string& access_token);
+
+  // Handles the response of the check and calls ReportResult().
+  void OnCheckCompleted(bool result);
+
+  StatusCallback callback_;
+
+  scoped_ptr<PolicyOAuth2TokenFetcher> token_fetcher_;
+  scoped_ptr<UserInfoFetcher> user_info_fetcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(WildcardLoginChecker);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_CHROMEOS_POLICY_WILDCARD_LOGIN_CHECKER_H_