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      1 // Copyright (c) 2011 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_POLICY_USER_POLICY_CACHE_H_
      6 #define CHROME_BROWSER_POLICY_USER_POLICY_CACHE_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 #include "base/file_path.h"
     12 #include "chrome/browser/policy/cloud_policy_cache_base.h"
     13 
     14 // <Old-style policy support> (see comment below)
     15 namespace enterprise_management {
     16 class GenericValue;
     17 }  // namespace enterprise_management
     18 // </Old-style policy support>
     19 
     20 namespace policy {
     21 
     22 // CloudPolicyCacheBase implementation that persists policy information
     23 // into the file specified by the c'tor parameter |backing_file_path|.
     24 class UserPolicyCache : public CloudPolicyCacheBase {
     25  public:
     26   explicit UserPolicyCache(const FilePath& backing_file_path);
     27   virtual ~UserPolicyCache();
     28 
     29   // CloudPolicyCacheBase implementation:
     30   virtual void Load() OVERRIDE;
     31   virtual void SetPolicy(const em::PolicyFetchResponse& policy) OVERRIDE;
     32   virtual void SetUnmanaged() OVERRIDE;
     33 
     34  private:
     35   void PersistPolicy(const em::PolicyFetchResponse& policy,
     36                      const base::Time& timestamp);
     37 
     38   // CloudPolicyCacheBase implementation:
     39   virtual bool DecodePolicyData(const em::PolicyData& policy_data,
     40                                 PolicyMap* mandatory,
     41                                 PolicyMap* recommended) OVERRIDE;
     42 
     43   // <Old-style policy support>
     44   // The following member functions are needed to support old-style policy and
     45   // can be removed once all server-side components (CPanel, D3) have been
     46   // migrated to providing the new policy format.
     47 
     48   // If |mandatory| and |recommended| are both empty, and |policy_data|
     49   // contains a field named "repeated GenericNamedValue named_value = 2;",
     50   // this field is decoded into |mandatory|.
     51   void MaybeDecodeOldstylePolicy(const std::string& policy_data,
     52                                  PolicyMap* mandatory,
     53                                  PolicyMap* recommended);
     54 
     55   Value* DecodeIntegerValue(google::protobuf::int64 value) const;
     56   Value* DecodeValue(const em::GenericValue& value) const;
     57 
     58   // </Old-style policy support>
     59 
     60   // The file in which we store a cached version of the policy information.
     61   const FilePath backing_file_path_;
     62 
     63   DISALLOW_COPY_AND_ASSIGN(UserPolicyCache);
     64 };
     65 
     66 }  // namespace policy
     67 
     68 #endif  // CHROME_BROWSER_POLICY_USER_POLICY_CACHE_H_
     69