components/policy/core/common/cloud/policy_header_service.h

   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 #ifndef COMPONENTS_POLICY_CORE_COMMON_CLOUD_POLICY_HEADER_SERVICE_H_
   6 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_POLICY_HEADER_SERVICE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "components/policy/core/common/cloud/cloud_policy_store.h"
  14 #include "components/policy/policy_export.h"
  15
  16 namespace base {
  17 class SequencedTaskRunner;
  18 }
  19
  20 namespace policy {
  21
  22 class PolicyHeaderIOHelper;
  23
  24 // Per-profile service used to generate PolicyHeaderIOHelper objects, and
  25 // keep them up-to-date as policy changes.
  26 // TODO(atwilson): Move to components/policy once CloudPolicyStore is moved.
  27 class POLICY_EXPORT PolicyHeaderService : public CloudPolicyStore::Observer {
  28  public:
  29   // |device_policy_store| can be null on platforms that do not support
  30   // device policy. Both |user_policy_store| and |device_policy_store| must
  31   // outlive this object.
  32   PolicyHeaderService(const std::string& server_url,
  33                       const std::string& verification_key_hash,
  34                       CloudPolicyStore* user_policy_store,
  35                       CloudPolicyStore* device_policy_store);
  36   ~PolicyHeaderService() override;
  37
  38   // Creates a PolicyHeaderIOHelper object to be run on the IO thread and
  39   // add policy headers to outgoing requests. The caller takes ownership of
  40   // this object and must ensure it outlives ProfileHeaderService (in practice,
  41   // this is called by ProfileIOData, which is shutdown *after* all
  42   // ProfileKeyedServices are shutdown).
  43   scoped_ptr<PolicyHeaderIOHelper> CreatePolicyHeaderIOHelper(
  44       scoped_refptr<base::SequencedTaskRunner> task_runner);
  45
  46   // Overridden CloudPolicyStore::Observer methods:
  47   void OnStoreLoaded(CloudPolicyStore* store) override;
  48   void OnStoreError(CloudPolicyStore* store) override;
  49
  50   // Returns a list of all PolicyHeaderIOHelpers created by this object.
  51   std::vector<PolicyHeaderIOHelper*> GetHelpersForTest();
  52
  53  private:
  54   // Generate a policy header based on the currently loaded policy.
  55   std::string CreateHeaderValue();
  56
  57   // Weak pointer to created PolicyHeaderIOHelper objects.
  58   std::vector<PolicyHeaderIOHelper*> helpers_;
  59
  60   // URL of the policy server.
  61   std::string server_url_;
  62
  63   // Identifier for the verification key this Chrome instance is using.
  64   std::string verification_key_hash_;
  65
  66   // Weak pointers to User-/Device-level policy stores.
  67   CloudPolicyStore* user_policy_store_;
  68   CloudPolicyStore* device_policy_store_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(PolicyHeaderService);
  71 };
  72
  73 }  // namespace policy
  74
  75 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_POLICY_HEADER_SERVICE_H_