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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/google/google_update_policy_fetcher_win_util.h"
#include <OleCtl.h>
#include <string_view>
#include "base/check.h"
#include "base/check_op.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_ostream_operators.h"
#include "base/values.h"
#include "base/win/scoped_bstr.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
namespace {
// Returns a string Value from `scoped_bstr`.
base::Value ValueFromScopedBStr(const base::win::ScopedBstr& scoped_bstr) {
return base::Value(base::AsStringPiece16(
std::wstring_view(scoped_bstr.Get(), scoped_bstr.Length())));
}
policy::PolicySource GetPolicySource(BSTR source_bstr) {
constexpr std::wstring_view kCloudSource = L"Device Management";
constexpr std::wstring_view kDefaultSource = L"Default";
const auto source =
std::wstring_view(source_bstr, ::SysStringLen(source_bstr));
if (source == kCloudSource) {
return policy::POLICY_SOURCE_CLOUD;
}
if (source == kDefaultSource) {
return policy::POLICY_SOURCE_ENTERPRISE_DEFAULT;
}
DCHECK_EQ(source, std::wstring_view(L"Group Policy"));
return policy::POLICY_SOURCE_PLATFORM;
}
} // namespace
std::unique_ptr<policy::PolicyMap::Entry> ConvertPolicyStatusValueToPolicyEntry(
IPolicyStatusValue* policy,
const PolicyValueOverrideFunction& value_override_function) {
DCHECK(policy);
base::win::ScopedBstr value;
if (FAILED(policy->get_value(value.Receive())) || value.Length() == 0) {
return nullptr;
}
base::win::ScopedBstr source;
if (FAILED(policy->get_source(source.Receive()))) {
return nullptr;
}
auto entry = std::make_unique<policy::PolicyMap::Entry>(
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_MACHINE,
GetPolicySource(source.Get()),
value_override_function ? value_override_function.Run(value.Get())
: ValueFromScopedBStr(value),
nullptr);
VARIANT_BOOL has_conflict = VARIANT_FALSE;
base::win::ScopedBstr conflict_value;
base::win::ScopedBstr conflict_source;
if (SUCCEEDED(policy->get_hasConflict(&has_conflict)) &&
has_conflict == VARIANT_TRUE &&
SUCCEEDED(policy->get_conflictValue(conflict_value.Receive())) &&
SUCCEEDED(policy->get_conflictSource(conflict_source.Receive()))) {
entry->AddConflictingPolicy(policy::PolicyMap::Entry(
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_MACHINE,
GetPolicySource(conflict_source.Get()),
value_override_function
? value_override_function.Run(conflict_value.Get())
: base::Value(base::AsStringPiece16(conflict_value.Get())),
nullptr));
}
if (entry->source == policy::POLICY_SOURCE_ENTERPRISE_DEFAULT) {
entry->SetIsDefaultValue();
}
return entry;
}
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