src/chrome/browser/extensions/api/messaging/native_messaging_policy_handler.h

   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 #ifndef CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_POLICY_HANDLER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_POLICY_HANDLER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/values.h"
  10 #include "components/policy/core/browser/configuration_policy_handler.h"
  11
  12 namespace policy {
  13 class PolicyMap;
  14 class PolicyErrorMap;
  15 }  // namespace policy
  16
  17 namespace extensions {
  18
  19 // Implements additional checks for policies that are lists of Native Messaging
  20 // Hosts.
  21 class NativeMessagingHostListPolicyHandler
  22     : public policy::TypeCheckingPolicyHandler {
  23  public:
  24   NativeMessagingHostListPolicyHandler(const char* policy_name,
  25                                        const char* pref_path,
  26                                        bool allow_wildcards);
  27   ~NativeMessagingHostListPolicyHandler() override;
  28
  29   // ConfigurationPolicyHandler methods:
  30   bool CheckPolicySettings(const policy::PolicyMap& policies,
  31                            policy::PolicyErrorMap* errors) override;
  32   void ApplyPolicySettings(const policy::PolicyMap& policies,
  33                            PrefValueMap* prefs) override;
  34
  35  protected:
  36   const char* pref_path() const;
  37
  38   // Runs sanity checks on the policy value and returns it in |extension_ids|.
  39   bool CheckAndGetList(const policy::PolicyMap& policies,
  40                        policy::PolicyErrorMap* errors,
  41                        scoped_ptr<base::ListValue>* extension_ids);
  42
  43  private:
  44   const char* pref_path_;
  45   bool allow_wildcards_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(NativeMessagingHostListPolicyHandler);
  48 };
  49
  50 }  // namespace extensions
  51
  52 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGING_POLICY_HANDLER_H_