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// Copyright 2022 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/policy/webhid_device_policy_handler.h"
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "base/values.h"
#include "chrome/common/pref_names.h"
#include "components/content_settings/core/common/pref_names.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/schema.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_value_map.h"
#include "components/strings/grit/components_strings.h"
#include "url/gurl.h"
namespace policy {
namespace {
constexpr char kUrlsKey[] = "urls";
} // namespace
WebHidDevicePolicyHandler::WebHidDevicePolicyHandler(
const char* policy_key,
std::string_view pref_name,
const Schema& chrome_schema)
: SchemaValidatingPolicyHandler(
policy_key,
chrome_schema.GetKnownProperty(policy_key),
SchemaOnErrorStrategy::SCHEMA_ALLOW_UNKNOWN_AND_INVALID_LIST_ENTRY),
pref_name_(pref_name) {}
WebHidDevicePolicyHandler::~WebHidDevicePolicyHandler() = default;
bool WebHidDevicePolicyHandler::CheckPolicySettings(const PolicyMap& policies,
PolicyErrorMap* errors) {
if (!policies.IsPolicySet(policy_name()))
return true;
if (!SchemaValidatingPolicyHandler::CheckPolicySettings(policies, errors))
return false;
const base::Value* value =
policies.GetValue(policy_name(), base::Value::Type::LIST);
DCHECK(value);
int item_index = 0;
for (const auto& item : value->GetList()) {
if (!item.is_dict())
continue;
int url_index = 0;
auto* urls_list = item.GetDict().FindList(kUrlsKey);
if (!urls_list)
continue;
for (const auto& url_value : *urls_list) {
GURL url;
if (url_value.is_string())
url = GURL(url_value.GetString());
// If `url` is invalid, emit an error but do not prevent the policy from
// being applied.
if (errors && !url.is_valid()) {
PolicyErrorPath error_path = {item_index, kUrlsKey, url_index};
errors->AddError(policy_name(), IDS_POLICY_INVALID_URL_ERROR,
error_path);
}
++url_index;
}
++item_index;
}
return true;
}
void WebHidDevicePolicyHandler::ApplyPolicySettings(const PolicyMap& policies,
PrefValueMap* prefs) {
std::unique_ptr<base::Value> value;
if (!CheckAndGetValue(policies, nullptr, &value))
return;
if (!value || !value->is_list())
return;
prefs->SetValue(pref_name_,
base::Value::FromUniquePtrValue(std::move(value)));
}
} // namespace policy
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