Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / chromeos / policy / user_cloud_policy_manager_chromeos.h
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_
6 #define CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_
7
8 #include <string>
9
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
12 #include "base/files/file_path.h"
13 #include "base/memory/ref_counted.h"
14 #include "base/memory/scoped_ptr.h"
15 #include "base/time/time.h"
16 #include "base/timer/timer.h"
17 #include "components/keyed_service/core/keyed_service.h"
18 #include "components/policy/core/common/cloud/cloud_policy_client.h"
19 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
20 #include "components/policy/core/common/cloud/cloud_policy_manager.h"
21 #include "components/policy/core/common/cloud/cloud_policy_service.h"
22
23 class GoogleServiceAuthError;
24 class PrefService;
25
26 namespace base {
27 class SequencedTaskRunner;
28 }
29
30 namespace net {
31 class URLRequestContextGetter;
32 }
33
34 namespace policy {
35
36 class CloudExternalDataManager;
37 class DeviceManagementService;
38 class PolicyOAuth2TokenFetcher;
39 class WildcardLoginChecker;
40
41 // UserCloudPolicyManagerChromeOS implements logic for initializing user policy
42 // on Chrome OS.
43 class UserCloudPolicyManagerChromeOS : public CloudPolicyManager,
44                                        public CloudPolicyClient::Observer,
45                                        public CloudPolicyService::Observer,
46                                        public KeyedService {
47  public:
48   // If |wait_for_policy_fetch| is true, IsInitializationComplete() will return
49   // false as long as there hasn't been a successful policy fetch.
50   // |task_runner| is the runner for policy refresh tasks.
51   // |file_task_runner| is used for file operations. Currently this must be the
52   // FILE BrowserThread.
53   // |io_task_runner| is used for network IO. Currently this must be the IO
54   // BrowserThread.
55   UserCloudPolicyManagerChromeOS(
56       scoped_ptr<CloudPolicyStore> store,
57       scoped_ptr<CloudExternalDataManager> external_data_manager,
58       const base::FilePath& component_policy_cache_path,
59       bool wait_for_policy_fetch,
60       base::TimeDelta initial_policy_fetch_timeout,
61       const scoped_refptr<base::SequencedTaskRunner>& task_runner,
62       const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
63       const scoped_refptr<base::SequencedTaskRunner>& io_task_runner);
64   virtual ~UserCloudPolicyManagerChromeOS();
65
66   // Initializes the cloud connection. |local_state| and
67   // |device_management_service| must stay valid until this object is deleted.
68   void Connect(
69       PrefService* local_state,
70       DeviceManagementService* device_management_service,
71       scoped_refptr<net::URLRequestContextGetter> system_request_context,
72       UserAffiliation user_affiliation);
73
74   // This class is one of the policy providers, and must be ready for the
75   // creation of the Profile's PrefService; all the other
76   // KeyedServices depend on the PrefService, so this class can't
77   // depend on other BCKS to avoid a circular dependency. So instead of using
78   // the ProfileOAuth2TokenService directly to get the access token, a 3rd
79   // service (UserCloudPolicyTokenForwarder) will fetch it later and pass it
80   // to this method once available.
81   // The |access_token| can then be used to authenticate the registration
82   // request to the DMServer.
83   void OnAccessTokenAvailable(const std::string& access_token);
84
85   // Returns true if the underlying CloudPolicyClient is already registered.
86   bool IsClientRegistered() const;
87
88   // Indicates a wildcard login check should be performed once an access token
89   // is available.
90   void EnableWildcardLoginCheck(const std::string& username);
91
92   // ConfigurationPolicyProvider:
93   virtual void Shutdown() OVERRIDE;
94   virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
95
96   // CloudPolicyService::Observer:
97   virtual void OnInitializationCompleted(CloudPolicyService* service) OVERRIDE;
98
99   // CloudPolicyClient::Observer:
100   virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
101   virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
102   virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
103
104   // ComponentCloudPolicyService::Delegate:
105   virtual void OnComponentCloudPolicyUpdated() OVERRIDE;
106
107  protected:
108   // CloudPolicyManager:
109   virtual void GetChromePolicy(PolicyMap* policy_map) OVERRIDE;
110
111  private:
112   // Fetches a policy token using the authentication context of the signin
113   // Profile, and calls back to OnOAuth2PolicyTokenFetched when done.
114   void FetchPolicyOAuthTokenUsingSigninProfile();
115
116   // Called once the policy access token is available, and starts the
117   // registration with the policy server if the token was successfully fetched.
118   void OnOAuth2PolicyTokenFetched(const std::string& policy_token,
119                                   const GoogleServiceAuthError& error);
120
121   // Completion handler for the explicit policy fetch triggered on startup in
122   // case |wait_for_policy_fetch_| is true. |success| is true if the fetch was
123   // successful.
124   void OnInitialPolicyFetchComplete(bool success);
125
126   // Called when |policy_fetch_timeout_| times out, to cancel the blocking
127   // wait for the initial policy fetch.
128   void OnBlockingFetchTimeout();
129
130   // Cancels waiting for the policy fetch and flags the
131   // ConfigurationPolicyProvider ready (assuming all other initialization tasks
132   // have completed).
133   void CancelWaitForPolicyFetch();
134
135   void StartRefreshSchedulerIfReady();
136
137   // Owns the store, note that CloudPolicyManager just keeps a plain pointer.
138   scoped_ptr<CloudPolicyStore> store_;
139
140   // Manages external data referenced by policies.
141   scoped_ptr<CloudExternalDataManager> external_data_manager_;
142
143   // Username for the wildcard login check if applicable, empty otherwise.
144   std::string wildcard_username_;
145
146   // Path where policy for components will be cached.
147   base::FilePath component_policy_cache_path_;
148
149   // Whether to wait for a policy fetch to complete before reporting
150   // IsInitializationComplete().
151   bool wait_for_policy_fetch_;
152
153   // A timer that puts a hard limit on the maximum time to wait for the intial
154   // policy fetch.
155   base::Timer policy_fetch_timeout_;
156
157   // The pref service to pass to the refresh scheduler on initialization.
158   PrefService* local_state_;
159
160   // Used to fetch the policy OAuth token, when necessary. This object holds
161   // a callback with an unretained reference to the manager, when it exists.
162   scoped_ptr<PolicyOAuth2TokenFetcher> token_fetcher_;
163
164   // Keeps alive the wildcard checker while its running.
165   scoped_ptr<WildcardLoginChecker> wildcard_login_checker_;
166
167   // The access token passed to OnAccessTokenAvailable. It is stored here so
168   // that it can be used if OnInitializationCompleted is called later.
169   std::string access_token_;
170
171   // Timestamps for collecting timing UMA stats.
172   base::Time time_init_started_;
173   base::Time time_init_completed_;
174   base::Time time_token_available_;
175   base::Time time_client_registered_;
176
177   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerChromeOS);
178 };
179
180 }  // namespace policy
181
182 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_