blob: f0ec6ebc2d0fb8b95b185fe9fc3f90a00e07f339 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/config_dir_policy_provider.h"
#include <set>
#include "base/file_util.h"
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/common/json_value_serializer.h"
ConfigDirPolicyProvider::ConfigDirPolicyProvider(const FilePath& config_dir)
: config_dir_(config_dir) {
}
bool ConfigDirPolicyProvider::Provide(ConfigurationPolicyStore* store) {
scoped_ptr<DictionaryValue> policy(ReadPolicies());
DecodePolicyValueTree(policy.get(), store);
return true;
}
DictionaryValue* ConfigDirPolicyProvider::ReadPolicies() {
// Enumerate the files and sort them lexicographically.
std::set<FilePath> files;
file_util::FileEnumerator file_enumerator(config_dir_, false,
file_util::FileEnumerator::FILES);
for (FilePath config_file_path = file_enumerator.Next();
!config_file_path.empty(); config_file_path = file_enumerator.Next())
files.insert(config_file_path);
// Start with an empty dictionary and merge the files' contents.
DictionaryValue* policy = new DictionaryValue;
for (std::set<FilePath>::iterator config_file_iter = files.begin();
config_file_iter != files.end(); ++config_file_iter) {
JSONFileValueSerializer deserializer(*config_file_iter);
int error_code = 0;
std::string error_msg;
scoped_ptr<Value> value(deserializer.Deserialize(&error_code, &error_msg));
if (!value.get()) {
LOG(WARNING) << "Failed to read configuration file "
<< config_file_iter->value() << ": " << error_msg;
continue;
}
if (!value->IsType(Value::TYPE_DICTIONARY)) {
LOG(WARNING) << "Expected JSON dictionary in configuration file "
<< config_file_iter->value();
continue;
}
policy->MergeDictionary(static_cast<DictionaryValue*>(value.get()));
}
return policy;
}
void ConfigDirPolicyProvider::DecodePolicyValueTree(
DictionaryValue* policies,
ConfigurationPolicyStore* store) {
const PolicyValueMap* mapping = PolicyValueMapping();
for (PolicyValueMap::const_iterator i = mapping->begin();
i != mapping->end(); ++i) {
const PolicyValueMapEntry& entry(*i);
Value* value;
if (policies->Get(UTF8ToWide(entry.name), &value) &&
value->IsType(entry.value_type))
store->Apply(entry.policy_type, value->DeepCopy());
}
// TODO(mnissler): Handle preference overrides once |ConfigurationPolicyStore|
// supports it.
}
|
