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1 // Copyright (c) 2011 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 #include <algorithm> | |
6 #include <string> | |
7 | |
8 #include "base/command_line.h" | |
9 #include "base/file_util.h" | |
10 #include "chrome/browser/browser_process.h" | |
11 #include "chrome/browser/policy/browser_policy_connector.h" | |
12 #include "chrome/browser/policy/cloud_policy_subsystem.h" | |
13 #include "chrome/browser/policy/configuration_policy_pref_store.h" | |
14 #include "chrome/browser/policy/profile_policy_connector.h" | |
15 #include "chrome/browser/policy/user_policy_cache.h" | |
16 #include "chrome/browser/policy/user_policy_identity_strategy.h" | |
17 #include "chrome/browser/prefs/pref_service.h" | |
18 #include "chrome/browser/profiles/profile.h" | |
19 #include "chrome/common/chrome_switches.h" | |
20 #include "chrome/common/pref_names.h" | |
21 | |
22 namespace { | |
23 | |
24 const FilePath::CharType kPolicyDir[] = FILE_PATH_LITERAL("Device Management"); | |
25 const FilePath::CharType kTokenCacheFile[] = FILE_PATH_LITERAL("Token"); | |
26 const FilePath::CharType kPolicyCacheFile[] = FILE_PATH_LITERAL("Policy"); | |
27 | |
28 const int64 kServiceInitializationStartupDelay = 2000; | |
29 | |
30 } // namespace | |
31 | |
32 namespace policy { | |
33 | |
34 ProfilePolicyConnector::ProfilePolicyConnector(Profile* profile) | |
35 : profile_(profile) { | |
36 CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
37 if (command_line->HasSwitch(switches::kDeviceManagementUrl)) { | |
38 FilePath policy_cache_dir(profile_->GetPath()); | |
39 policy_cache_dir = policy_cache_dir.Append(kPolicyDir); | |
40 | |
41 identity_strategy_.reset(new UserPolicyIdentityStrategy( | |
42 profile_, | |
43 policy_cache_dir.Append(kTokenCacheFile))); | |
44 cloud_policy_subsystem_.reset(new CloudPolicySubsystem( | |
45 identity_strategy_.get(), | |
46 new UserPolicyCache(policy_cache_dir.Append(kPolicyCacheFile)))); | |
47 | |
48 BrowserPolicyConnector* browser_connector = | |
49 g_browser_process->browser_policy_connector(); | |
50 | |
51 managed_cloud_provider_.reset(new MergingPolicyProvider( | |
52 browser_connector->GetManagedCloudProvider(), | |
53 cloud_policy_subsystem_->GetManagedPolicyProvider())); | |
54 recommended_cloud_provider_.reset(new MergingPolicyProvider( | |
55 browser_connector->GetRecommendedCloudProvider(), | |
56 cloud_policy_subsystem_->GetRecommendedPolicyProvider())); | |
57 } | |
58 } | |
59 | |
60 ProfilePolicyConnector::~ProfilePolicyConnector() { | |
61 managed_cloud_provider_.reset(); | |
62 recommended_cloud_provider_.reset(); | |
63 cloud_policy_subsystem_.reset(); | |
64 identity_strategy_.reset(); | |
65 } | |
66 | |
67 void ProfilePolicyConnector::ScheduleServiceInitialization( | |
68 int64 delay_milliseconds) { | |
69 if (cloud_policy_subsystem_.get()) | |
70 cloud_policy_subsystem_->ScheduleServiceInitialization(delay_milliseconds); | |
71 } | |
72 | |
73 void ProfilePolicyConnector::Initialize() { | |
74 if (identity_strategy_.get()) | |
75 identity_strategy_->LoadTokenCache(); | |
76 if (cloud_policy_subsystem_.get()) { | |
77 cloud_policy_subsystem_->CompleteInitialization( | |
78 prefs::kUserPolicyRefreshRate, | |
79 kServiceInitializationStartupDelay); | |
80 // Temporarily set the subsystem to listen to profile pref service, since | |
81 // we cannot yet serve user cloud policy to |local_state| and we don't want | |
82 // the profile reference in the subsystem. | |
83 profile_pref_registrar_.Init(profile_->GetPrefs()); | |
84 profile_pref_registrar_.Add(prefs::kUserPolicyRefreshRate, | |
85 cloud_policy_subsystem_.get()); | |
86 } | |
87 } | |
88 | |
89 void ProfilePolicyConnector::Shutdown() { | |
90 if (cloud_policy_subsystem_.get()) { | |
91 // Remove the temporary profile observer. | |
92 profile_pref_registrar_.RemoveAll(); | |
93 cloud_policy_subsystem_->Shutdown(); | |
94 } | |
95 } | |
96 | |
97 ConfigurationPolicyProvider* | |
98 ProfilePolicyConnector::GetManagedCloudProvider() { | |
99 return managed_cloud_provider_.get(); | |
100 } | |
101 | |
102 ConfigurationPolicyProvider* | |
103 ProfilePolicyConnector::GetRecommendedCloudProvider() { | |
104 return recommended_cloud_provider_.get(); | |
105 } | |
106 | |
107 MergingPolicyProvider::MergingPolicyProvider( | |
108 ConfigurationPolicyProvider* browser_policy_provider, | |
109 ConfigurationPolicyProvider* profile_policy_provider) | |
110 : ConfigurationPolicyProvider( | |
111 ConfigurationPolicyPrefStore::GetChromePolicyDefinitionList()), | |
112 browser_policy_provider_(browser_policy_provider), | |
113 profile_policy_provider_(profile_policy_provider), | |
114 browser_registrar_(new ConfigurationPolicyObserverRegistrar()), | |
115 profile_registrar_(new ConfigurationPolicyObserverRegistrar()) { | |
116 if (browser_policy_provider_) | |
117 browser_registrar_->Init(browser_policy_provider_, this); | |
118 if (profile_policy_provider_) | |
119 profile_registrar_->Init(profile_policy_provider_, this); | |
120 } | |
121 | |
122 MergingPolicyProvider::~MergingPolicyProvider() { | |
123 if (browser_policy_provider_ || profile_policy_provider_) { | |
124 FOR_EACH_OBSERVER(ConfigurationPolicyProvider::Observer, | |
125 observer_list_, OnProviderGoingAway()); | |
126 } | |
127 } | |
128 | |
129 bool MergingPolicyProvider::Provide(ConfigurationPolicyStoreInterface* store) { | |
130 // First, apply the profile policies and observe if interesting policies | |
131 // have been applied. | |
132 ObservingPolicyStoreInterface observe(store); | |
133 bool rv = true; | |
134 if (profile_policy_provider_) | |
135 rv = profile_policy_provider_->Provide(&observe); | |
136 | |
137 // Now apply policies from the browser provider, if they were not applied | |
138 // by the profile provider. | |
139 // Currently, these include only the proxy settings. | |
140 if (browser_policy_provider_) { | |
141 FilteringPolicyStoreInterface filter(store, | |
142 !observe.IsProxyPolicyApplied()); | |
143 rv = rv && browser_policy_provider_->Provide(&filter); | |
144 } | |
145 | |
146 return rv; | |
147 } | |
148 | |
149 void MergingPolicyProvider::AddObserver( | |
150 ConfigurationPolicyProvider::Observer* observer) { | |
151 observer_list_.AddObserver(observer); | |
152 } | |
153 | |
154 void MergingPolicyProvider::RemoveObserver( | |
155 ConfigurationPolicyProvider::Observer* observer) { | |
156 observer_list_.RemoveObserver(observer); | |
157 } | |
158 | |
159 void MergingPolicyProvider::OnUpdatePolicy() { | |
160 FOR_EACH_OBSERVER(ConfigurationPolicyProvider::Observer, | |
161 observer_list_, OnUpdatePolicy()); | |
162 } | |
163 | |
164 void MergingPolicyProvider::OnProviderGoingAway() { | |
165 if (browser_policy_provider_ || profile_policy_provider_) { | |
166 FOR_EACH_OBSERVER(ConfigurationPolicyProvider::Observer, | |
167 observer_list_, OnProviderGoingAway()); | |
168 browser_registrar_.reset(); | |
169 profile_registrar_.reset(); | |
170 browser_policy_provider_ = NULL; | |
171 profile_policy_provider_ = NULL; | |
172 } | |
173 } | |
174 | |
175 } // namespace policy | |
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