chrome/browser/policy/javascript_policy_handler.cc

   1 // Copyright 2013 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/policy/javascript_policy_handler.h"
   6
   7 #include "base/prefs/pref_value_map.h"
   8 #include "base/values.h"
   9 #include "chrome/common/pref_names.h"
  10 #include "components/content_settings/core/common/content_settings.h"
  11 #include "components/policy/core/browser/policy_error_map.h"
  12 #include "components/policy/core/common/policy_map.h"
  13 #include "grit/components_strings.h"
  14 #include "policy/policy_constants.h"
  15
  16 namespace policy {
  17
  18 JavascriptPolicyHandler::JavascriptPolicyHandler() {}
  19
  20 JavascriptPolicyHandler::~JavascriptPolicyHandler() {}
  21
  22 bool JavascriptPolicyHandler::CheckPolicySettings(const PolicyMap& policies,
  23                                                   PolicyErrorMap* errors) {
  24   const base::Value* javascript_enabled =
  25       policies.GetValue(key::kJavascriptEnabled);
  26   const base::Value* default_setting =
  27       policies.GetValue(key::kDefaultJavaScriptSetting);
  28
  29   if (javascript_enabled &&
  30       !javascript_enabled->IsType(base::Value::TYPE_BOOLEAN)) {
  31     errors->AddError(key::kJavascriptEnabled,
  32                      IDS_POLICY_TYPE_ERROR,
  33                      ValueTypeToString(base::Value::TYPE_BOOLEAN));
  34   }
  35
  36   if (default_setting && !default_setting->IsType(base::Value::TYPE_INTEGER)) {
  37     errors->AddError(key::kDefaultJavaScriptSetting,
  38                      IDS_POLICY_TYPE_ERROR,
  39                      ValueTypeToString(base::Value::TYPE_INTEGER));
  40   }
  41
  42   if (javascript_enabled && default_setting) {
  43     errors->AddError(key::kJavascriptEnabled,
  44                      IDS_POLICY_OVERRIDDEN,
  45                      key::kDefaultJavaScriptSetting);
  46   }
  47
  48   return true;
  49 }
  50
  51 void JavascriptPolicyHandler::ApplyPolicySettings(const PolicyMap& policies,
  52                                                   PrefValueMap* prefs) {
  53   int setting = CONTENT_SETTING_DEFAULT;
  54   const base::Value* default_setting =
  55       policies.GetValue(key::kDefaultJavaScriptSetting);
  56
  57   if (default_setting) {
  58     default_setting->GetAsInteger(&setting);
  59   } else {
  60     const base::Value* javascript_enabled =
  61         policies.GetValue(key::kJavascriptEnabled);
  62     bool enabled = true;
  63     if (javascript_enabled &&
  64         javascript_enabled->GetAsBoolean(&enabled) &&
  65         !enabled) {
  66       setting = CONTENT_SETTING_BLOCK;
  67     }
  68   }
  69
  70   if (setting != CONTENT_SETTING_DEFAULT)
  71     prefs->SetInteger(prefs::kManagedDefaultJavaScriptSetting, setting);
  72 }
  73
  74 }  // namespace policy