1 // Copyright 2017 The Chromium OS 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 #include "policy/policy_util.h"
6 
7 #include <base/files/file_util.h>
8 #include <base/logging.h>
9 
10 namespace policy {
11 
LoadPolicyFromPath(const base::FilePath & policy_path,std::string * policy_data_str_out,enterprise_management::PolicyFetchResponse * policy_out)12 LoadPolicyResult LoadPolicyFromPath(
13     const base::FilePath& policy_path,
14     std::string* policy_data_str_out,
15     enterprise_management::PolicyFetchResponse* policy_out) {
16   DCHECK(policy_data_str_out);
17   DCHECK(policy_out);
18   if (!base::PathExists(policy_path)) {
19     return LoadPolicyResult::kFileNotFound;
20   }
21 
22   if (!base::ReadFileToString(policy_path, policy_data_str_out)) {
23     PLOG(ERROR) << "Could not read policy off disk at " << policy_path.value();
24     return LoadPolicyResult::kFailedToReadFile;
25   }
26 
27   if (policy_data_str_out->empty()) {
28     LOG(ERROR) << "Empty policy file at " << policy_path.value();
29     return LoadPolicyResult::kEmptyFile;
30   }
31 
32   if (!policy_out->ParseFromString(*policy_data_str_out)) {
33     LOG(ERROR) << "Policy on disk could not be parsed, file: "
34                << policy_path.value();
35     return LoadPolicyResult::kInvalidPolicyData;
36   }
37 
38   return LoadPolicyResult::kSuccess;
39 }
40 
41 }  // namespace policy
42