1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
// Copyright (c) 2012 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 "components/policy/core/browser/configuration_policy_pref_store.h"
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/observer_list.h"
#include "base/strings/utf_string_conversions.h"
#include "components/policy/core/browser/browser_policy_connector_base.h"
#include "components/policy/core/browser/configuration_policy_handler_list.h"
#include "components/policy/core/browser/policy_conversions_client.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/prefs/pref_value_map.h"
#include "components/strings/grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"
namespace policy {
namespace {
void LogErrors(std::unique_ptr<PolicyErrorMap> errors,
PoliciesSet deprecated_policies,
PoliciesSet future_policies) {
DCHECK(errors->IsReady());
for (auto& pair : *errors) {
std::u16string policy = base::ASCIIToUTF16(pair.first);
DLOG(WARNING) << "Policy " << policy << ": " << pair.second;
}
for (const auto& policy : deprecated_policies) {
VLOG(1) << "Policy " << policy << " has been deprecated.";
}
for (const auto& policy : future_policies) {
VLOG(1) << "Policy " << policy << " has not been released yet.";
}
}
bool IsLevel(PolicyLevel level, const PolicyMap::const_iterator iter) {
return iter->second.level == level;
}
} // namespace
ConfigurationPolicyPrefStore::ConfigurationPolicyPrefStore(
BrowserPolicyConnectorBase* policy_connector,
PolicyService* service,
const ConfigurationPolicyHandlerList* handler_list,
PolicyLevel level)
: policy_connector_(policy_connector),
policy_service_(service),
handler_list_(handler_list),
level_(level) {
// Read initial policy.
prefs_.reset(CreatePreferencesFromPolicies());
policy_service_->AddObserver(POLICY_DOMAIN_CHROME, this);
}
void ConfigurationPolicyPrefStore::AddObserver(PrefStore::Observer* observer) {
observers_.AddObserver(observer);
}
void ConfigurationPolicyPrefStore::RemoveObserver(
PrefStore::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool ConfigurationPolicyPrefStore::HasObservers() const {
return !observers_.empty();
}
bool ConfigurationPolicyPrefStore::IsInitializationComplete() const {
return policy_service_->IsInitializationComplete(POLICY_DOMAIN_CHROME);
}
bool ConfigurationPolicyPrefStore::GetValue(const std::string& key,
const base::Value** value) const {
const base::Value* stored_value = nullptr;
if (!prefs_ || !prefs_->GetValue(key, &stored_value))
return false;
if (value)
*value = stored_value;
return true;
}
std::unique_ptr<base::DictionaryValue> ConfigurationPolicyPrefStore::GetValues()
const {
if (!prefs_)
return std::make_unique<base::DictionaryValue>();
return prefs_->AsDictionaryValue();
}
void ConfigurationPolicyPrefStore::OnPolicyUpdated(const PolicyNamespace& ns,
const PolicyMap& previous,
const PolicyMap& current) {
DCHECK_EQ(POLICY_DOMAIN_CHROME, ns.domain);
DCHECK(ns.component_id.empty());
Refresh();
}
void ConfigurationPolicyPrefStore::OnPolicyServiceInitialized(
PolicyDomain domain) {
if (domain == POLICY_DOMAIN_CHROME) {
for (auto& observer : observers_)
observer.OnInitializationCompleted(true);
}
}
ConfigurationPolicyPrefStore::~ConfigurationPolicyPrefStore() {
policy_service_->RemoveObserver(POLICY_DOMAIN_CHROME, this);
}
void ConfigurationPolicyPrefStore::Refresh() {
std::unique_ptr<PrefValueMap> new_prefs(CreatePreferencesFromPolicies());
std::vector<std::string> changed_prefs;
new_prefs->GetDifferingKeys(prefs_.get(), &changed_prefs);
prefs_.swap(new_prefs);
// Send out change notifications.
for (std::vector<std::string>::const_iterator pref(changed_prefs.begin());
pref != changed_prefs.end(); ++pref) {
for (auto& observer : observers_)
observer.OnPrefValueChanged(*pref);
}
}
PrefValueMap* ConfigurationPolicyPrefStore::CreatePreferencesFromPolicies() {
std::unique_ptr<PrefValueMap> prefs(new PrefValueMap);
PolicyMap filtered_policies =
policy_service_
->GetPolicies(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
.Clone();
filtered_policies.EraseNonmatching(base::BindRepeating(&IsLevel, level_));
std::unique_ptr<PolicyErrorMap> errors = std::make_unique<PolicyErrorMap>();
PoliciesSet deprecated_policies;
PoliciesSet future_policies;
handler_list_->ApplyPolicySettings(filtered_policies, prefs.get(),
errors.get(), &deprecated_policies,
&future_policies);
if (!errors->empty()) {
if (errors->IsReady()) {
LogErrors(std::move(errors), std::move(deprecated_policies),
std::move(future_policies));
} else if (policy_connector_) { // May be null in tests.
policy_connector_->NotifyWhenResourceBundleReady(base::BindOnce(
&LogErrors, std::move(errors), std::move(deprecated_policies),
std::move(future_policies)));
}
}
return prefs.release();
}
} // namespace policy
|
