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
16namespace base {
17class SequencedTaskRunner;
18}
19
20namespace policy {
21
22class 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.
27class 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  virtual ~PolicyHeaderService();
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  virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE;
48  virtual 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_
76