src/chrome/browser/extensions/extension_management_test_util.cc

   1 // Copyright 2014 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 "chrome/browser/extensions/extension_management_test_util.h"
   6
   7 #include <string>
   8
   9 #include "components/crx_file/id_util.h"
  10 #include "components/policy/core/common/configuration_policy_provider.h"
  11 #include "components/policy/core/common/mock_configuration_policy_provider.h"
  12 #include "components/policy/core/common/policy_bundle.h"
  13 #include "components/policy/core/common/policy_map.h"
  14 #include "components/policy/core/common/policy_namespace.h"
  15 #include "components/policy/core/common/policy_types.h"
  16 #include "policy/policy/policy_constants.h"
  17
  18 namespace extensions {
  19
  20 namespace schema = schema_constants;
  21
  22 namespace {
  23
  24 const char kInstallSourcesPath[] = "*.install_sources";
  25 const char kAllowedTypesPath[] = "*.allowed_types";
  26
  27 std::string make_path(std::string a, std::string b) {
  28   return a + "." + b;
  29 }
  30
  31 }  // namespace
  32
  33 ExtensionManagementPrefUpdaterBase::ExtensionManagementPrefUpdaterBase() {
  34 }
  35
  36 ExtensionManagementPrefUpdaterBase::~ExtensionManagementPrefUpdaterBase() {
  37 }
  38
  39 // Helper functions for per extension settings ---------------------------------
  40
  41 void ExtensionManagementPrefUpdaterBase::UnsetPerExtensionSettings(
  42     const ExtensionId& id) {
  43   DCHECK(crx_file::id_util::IdIsValid(id));
  44   pref_->RemoveWithoutPathExpansion(id, NULL);
  45 }
  46
  47 void ExtensionManagementPrefUpdaterBase::ClearPerExtensionSettings(
  48     const ExtensionId& id) {
  49   DCHECK(crx_file::id_util::IdIsValid(id));
  50   pref_->SetWithoutPathExpansion(id, new base::DictionaryValue());
  51 }
  52
  53 // Helper functions for 'installation_mode' manipulation -----------------------
  54
  55 void ExtensionManagementPrefUpdaterBase::SetBlacklistedByDefault(bool value) {
  56   pref_->SetString(make_path(schema::kWildcard, schema::kInstallationMode),
  57                    value ? schema::kBlocked : schema::kAllowed);
  58 }
  59
  60 void ExtensionManagementPrefUpdaterBase::
  61     ClearInstallationModesForIndividualExtensions() {
  62   for (base::DictionaryValue::Iterator it(*pref_.get()); !it.IsAtEnd();
  63        it.Advance()) {
  64     DCHECK(it.value().IsType(base::Value::TYPE_DICTIONARY));
  65     if (it.key() != schema::kWildcard) {
  66       DCHECK(crx_file::id_util::IdIsValid(it.key()));
  67       pref_->Remove(make_path(it.key(), schema::kInstallationMode), NULL);
  68       pref_->Remove(make_path(it.key(), schema::kUpdateUrl), NULL);
  69     }
  70   }
  71 }
  72
  73 void
  74 ExtensionManagementPrefUpdaterBase::SetIndividualExtensionInstallationAllowed(
  75     const ExtensionId& id,
  76     bool allowed) {
  77   DCHECK(crx_file::id_util::IdIsValid(id));
  78   pref_->SetString(make_path(id, schema::kInstallationMode),
  79                    allowed ? schema::kAllowed : schema::kBlocked);
  80   pref_->Remove(make_path(id, schema::kUpdateUrl), NULL);
  81 }
  82
  83 void ExtensionManagementPrefUpdaterBase::SetIndividualExtensionAutoInstalled(
  84     const ExtensionId& id,
  85     const std::string& update_url,
  86     bool forced) {
  87   DCHECK(crx_file::id_util::IdIsValid(id));
  88   pref_->SetString(make_path(id, schema::kInstallationMode),
  89                    forced ? schema::kForceInstalled : schema::kNormalInstalled);
  90   pref_->SetString(make_path(id, schema::kUpdateUrl), update_url);
  91 }
  92
  93 // Helper functions for 'install_sources' manipulation -------------------------
  94
  95 void ExtensionManagementPrefUpdaterBase::UnsetInstallSources() {
  96   pref_->Remove(kInstallSourcesPath, NULL);
  97 }
  98
  99 void ExtensionManagementPrefUpdaterBase::ClearInstallSources() {
 100   ClearList(kInstallSourcesPath);
 101 }
 102
 103 void ExtensionManagementPrefUpdaterBase::AddInstallSource(
 104     const std::string& install_source) {
 105   AddStringToList(kInstallSourcesPath, install_source);
 106 }
 107
 108 void ExtensionManagementPrefUpdaterBase::RemoveInstallSource(
 109     const std::string& install_source) {
 110   RemoveStringFromList(kInstallSourcesPath, install_source);
 111 }
 112
 113 // Helper functions for 'allowed_types' manipulation ---------------------------
 114
 115 void ExtensionManagementPrefUpdaterBase::UnsetAllowedTypes() {
 116   pref_->Remove(kAllowedTypesPath, NULL);
 117 }
 118
 119 void ExtensionManagementPrefUpdaterBase::ClearAllowedTypes() {
 120   ClearList(kAllowedTypesPath);
 121 }
 122
 123 void ExtensionManagementPrefUpdaterBase::AddAllowedType(
 124     const std::string& allowed_type) {
 125   AddStringToList(kAllowedTypesPath, allowed_type);
 126 }
 127
 128 void ExtensionManagementPrefUpdaterBase::RemoveAllowedType(
 129     const std::string& allowed_type) {
 130   RemoveStringFromList(kAllowedTypesPath, allowed_type);
 131 }
 132
 133 // Helper functions for 'blocked_permissions' manipulation ---------------------
 134
 135 void ExtensionManagementPrefUpdaterBase::UnsetBlockedPermissions(
 136     const std::string& prefix) {
 137   DCHECK(prefix == schema::kWildcard || crx_file::id_util::IdIsValid(prefix));
 138   pref_->Remove(make_path(prefix, schema::kBlockedPermissions), NULL);
 139 }
 140
 141 void ExtensionManagementPrefUpdaterBase::ClearBlockedPermissions(
 142     const std::string& prefix) {
 143   DCHECK(prefix == schema::kWildcard || crx_file::id_util::IdIsValid(prefix));
 144   ClearList(make_path(prefix, schema::kBlockedPermissions));
 145 }
 146
 147 void ExtensionManagementPrefUpdaterBase::AddBlockedPermission(
 148     const std::string& prefix,
 149     const std::string& permission) {
 150   DCHECK(prefix == schema::kWildcard || crx_file::id_util::IdIsValid(prefix));
 151   AddStringToList(make_path(prefix, schema::kBlockedPermissions), permission);
 152 }
 153
 154 void ExtensionManagementPrefUpdaterBase::RemoveBlockedPermission(
 155     const std::string& prefix,
 156     const std::string& permission) {
 157   DCHECK(prefix == schema::kWildcard || crx_file::id_util::IdIsValid(prefix));
 158   RemoveStringFromList(make_path(prefix, schema::kBlockedPermissions),
 159                        permission);
 160 }
 161
 162 // Helper functions for 'allowed_permissions' manipulation ---------------------
 163
 164 void ExtensionManagementPrefUpdaterBase::UnsetAllowedPermissions(
 165     const std::string& id) {
 166   DCHECK(crx_file::id_util::IdIsValid(id));
 167   pref_->Remove(make_path(id, schema::kAllowedPermissions), NULL);
 168 }
 169
 170 void ExtensionManagementPrefUpdaterBase::ClearAllowedPermissions(
 171     const std::string& id) {
 172   DCHECK(crx_file::id_util::IdIsValid(id));
 173   ClearList(make_path(id, schema::kAllowedPermissions));
 174 }
 175
 176 void ExtensionManagementPrefUpdaterBase::AddAllowedPermission(
 177     const std::string& id,
 178     const std::string& permission) {
 179   DCHECK(crx_file::id_util::IdIsValid(id));
 180   AddStringToList(make_path(id, schema::kAllowedPermissions), permission);
 181 }
 182
 183 void ExtensionManagementPrefUpdaterBase::RemoveAllowedPermission(
 184     const std::string& id,
 185     const std::string& permission) {
 186   DCHECK(crx_file::id_util::IdIsValid(id));
 187   RemoveStringFromList(make_path(id, schema::kAllowedPermissions), permission);
 188 }
 189
 190 // Expose a read-only preference to user ---------------------------------------
 191
 192 const base::DictionaryValue* ExtensionManagementPrefUpdaterBase::GetPref() {
 193   return pref_.get();
 194 }
 195
 196 // Private section functions ---------------------------------------------------
 197
 198 void ExtensionManagementPrefUpdaterBase::SetPref(base::DictionaryValue* pref) {
 199   pref_.reset(pref);
 200 }
 201
 202 scoped_ptr<base::DictionaryValue>
 203 ExtensionManagementPrefUpdaterBase::TakePref() {
 204   return pref_.Pass();
 205 }
 206
 207 void ExtensionManagementPrefUpdaterBase::ClearList(const std::string& path) {
 208   pref_->Set(path, new base::ListValue());
 209 }
 210
 211 void ExtensionManagementPrefUpdaterBase::AddStringToList(
 212     const std::string& path,
 213     const std::string& str) {
 214   base::ListValue* list_value = NULL;
 215   if (!pref_->GetList(path, &list_value)) {
 216     list_value = new base::ListValue();
 217     pref_->Set(path, list_value);
 218   }
 219   CHECK(list_value->AppendIfNotPresent(new base::StringValue(str)));
 220 }
 221
 222 void ExtensionManagementPrefUpdaterBase::RemoveStringFromList(
 223     const std::string& path,
 224     const std::string& str) {
 225   base::ListValue* list_value = NULL;
 226   if (pref_->GetList(path, &list_value))
 227     CHECK(list_value->Remove(base::StringValue(str), NULL));
 228 }
 229
 230 // ExtensionManagementPolicyUpdater --------------------------------------------
 231
 232 ExtensionManagementPolicyUpdater::ExtensionManagementPolicyUpdater(
 233     policy::MockConfigurationPolicyProvider* policy_provider)
 234     : provider_(policy_provider), policies_(new policy::PolicyBundle) {
 235   policies_->CopyFrom(provider_->policies());
 236   const base::Value* policy_value =
 237       policies_->Get(policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
 238                                              std::string()))
 239           .GetValue(policy::key::kExtensionSettings);
 240   const base::DictionaryValue* dict_value = nullptr;
 241   if (policy_value && policy_value->GetAsDictionary(&dict_value))
 242     SetPref(dict_value->DeepCopy());
 243   else
 244     SetPref(new base::DictionaryValue);
 245 }
 246
 247 ExtensionManagementPolicyUpdater::~ExtensionManagementPolicyUpdater() {
 248   policies_->Get(policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
 249                                          std::string()))
 250       .Set(policy::key::kExtensionSettings, policy::POLICY_LEVEL_MANDATORY,
 251            policy::POLICY_SCOPE_USER, TakePref().release(), nullptr);
 252   provider_->UpdatePolicy(policies_.Pass());
 253 }
 254
 255 }  // namespace extensions