Add source column to chrome://policy showing the origins of policies.

chrome/browser/ui/webui/policy_ui.cc

 // 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 "chrome/browser/ui/webui/policy_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/prefs/pref_service.h"

[Thiemo Nagel, 2015/09/01 17:40:36]

What is this required for?

[fhorschig, 2015/09/04 06:53:53]

Deprecated. Removed.

 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/policy/profile_policy_connector.h"
 #include "chrome/browser/policy/profile_policy_connector_factory.h"
 #include "chrome/browser/policy/schema_registry_service.h"
 #include "chrome/browser/policy/schema_registry_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
@@ skipping 76 matching lines @@
   source->AddLocalizedString("labelRefreshInterval",
                              IDS_POLICY_LABEL_REFRESH_INTERVAL);
   source->AddLocalizedString("labelStatus", IDS_POLICY_LABEL_STATUS);
   source->AddLocalizedString("showUnset", IDS_POLICY_SHOW_UNSET);
   source->AddLocalizedString("noPoliciesSet", IDS_POLICY_NO_POLICIES_SET);
   source->AddLocalizedString("headerScope", IDS_POLICY_HEADER_SCOPE);
   source->AddLocalizedString("headerLevel", IDS_POLICY_HEADER_LEVEL);
   source->AddLocalizedString("headerName", IDS_POLICY_HEADER_NAME);
   source->AddLocalizedString("headerValue", IDS_POLICY_HEADER_VALUE);
   source->AddLocalizedString("headerStatus", IDS_POLICY_HEADER_STATUS);
+  source->AddLocalizedString("headerSource", IDS_POLICY_HEADER_SOURCE);
   source->AddLocalizedString("showExpandedValue",
                              IDS_POLICY_SHOW_EXPANDED_VALUE);
   source->AddLocalizedString("hideExpandedValue",
                              IDS_POLICY_HIDE_EXPANDED_VALUE);
   source->AddLocalizedString("scopeUser", IDS_POLICY_SCOPE_USER);
   source->AddLocalizedString("scopeDevice", IDS_POLICY_SCOPE_DEVICE);
   source->AddLocalizedString("levelRecommended", IDS_POLICY_LEVEL_RECOMMENDED);
   source->AddLocalizedString("levelMandatory", IDS_POLICY_LEVEL_MANDATORY);
+  source->AddLocalizedString("sourceEnterprise", IDS_POLICY_SOURCE_ENTERPRISE);
+  source->AddLocalizedString("sourcePlatform", IDS_POLICY_SOURCE_PLATFORM);
+  source->AddLocalizedString("sourceCloud", IDS_POLICY_SOURCE_CLOUD);
   source->AddLocalizedString("ok", IDS_POLICY_OK);
   source->AddLocalizedString("unset", IDS_POLICY_UNSET);
   source->AddLocalizedString("unknown", IDS_POLICY_UNKNOWN);
   source->AddLocalizedString("notSpecified", IDS_POLICY_NOT_SPECIFIED);
 
   source->SetJsonPath("strings.js");
 
   // Add required resources.
   source->AddResourcePath("policy.css", IDR_POLICY_CSS);
   source->AddResourcePath("policy.js", IDR_POLICY_JS);
@@ skipping 266 matching lines @@
   // policy enabled (device and/or user), a dictionary containing status
   // information is sent.
   void SendStatus() const;
 
   // Inserts a description of each policy in |policy_map| into |values|, using
   // the optional errors in |errors| to determine the status of each policy.
   void GetPolicyValues(const policy::PolicyMap& policy_map,
                        policy::PolicyErrorMap* errors,
                        base::DictionaryValue* values) const;
 
+  // Asks the profile's Pref_Service for the store that finally set the policy.
+  std::string GetSourceName(const policy::PolicySource& source) const;
+
   void GetChromePolicyValues(base::DictionaryValue* values) const;
 
   void HandleInitialized(const base::ListValue* args);
   void HandleReloadPolicies(const base::ListValue* args);
 
   void OnRefreshPoliciesDone() const;
 
   policy::PolicyService* GetPolicyService() const;
 
   std::string device_domain_;
@@ skipping 330 matching lines @@
     base::DictionaryValue* value = new base::DictionaryValue;
     value->Set("value", CopyAndConvert(entry->second.value).release());
     if (entry->second.scope == policy::POLICY_SCOPE_USER)
       value->SetString("scope", "user");
     else
       value->SetString("scope", "machine");
     if (entry->second.level == policy::POLICY_LEVEL_RECOMMENDED)
       value->SetString("level", "recommended");
     else
       value->SetString("level", "mandatory");
+    value->SetString("source", GetSourceName(entry->second.source));
     base::string16 error = errors->GetErrors(entry->first);
     if (!error.empty())
       value->SetString("error", error);
     values->Set(entry->first, value);
   }
 }
 
+std::string PolicyUIHandler::GetSourceName(
+    const policy::PolicySource& source) const {
+  switch (source) {
+    case policy::POLICY_SOURCE_ENTERPRISE_DEFAULT:
+      return "sourceEnterprise";
+    case policy::POLICY_SOURCE_CLOUD:
+      return "sourceCloud";
+    case policy::POLICY_SOURCE_PLATFORM:
+      return "sourcePlatform";
+    default:
+      return "";
+  }
+}
+
 void PolicyUIHandler::GetChromePolicyValues(
     base::DictionaryValue* values) const {
   policy::PolicyService* policy_service = GetPolicyService();
   policy::PolicyMap map;
 
   // Make a copy that can be modified, since some policy values are modified
   // before being displayed.
   map.CopyFrom(policy_service->GetPolicies(
       policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string())));
 
@@ skipping 65 matching lines @@
 }
 
 PolicyUI::PolicyUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new PolicyUIHandler);
   content::WebUIDataSource::Add(Profile::FromWebUI(web_ui),
                                 CreatePolicyUIHTMLSource());
 }
 
 PolicyUI::~PolicyUI() {
 }