naiveproxy/net/reporting/reporting_delegate.cc
2018-12-09 21:59:24 -05:00

91 lines
2.6 KiB
C++

// Copyright 2017 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 "net/reporting/reporting_delegate.h"
#include "base/json/json_reader.h"
#include "net/base/network_delegate.h"
#include "net/url_request/url_request_context.h"
namespace net {
namespace {
const int kMaxJsonSize = 16 * 1024;
const int kMaxJsonDepth = 5;
class ReportingDelegateImpl : public ReportingDelegate {
public:
ReportingDelegateImpl(URLRequestContext* request_context)
: request_context_(request_context) {
DCHECK(request_context);
}
~ReportingDelegateImpl() override = default;
bool CanQueueReport(const url::Origin& origin) const override {
return network_delegate() &&
network_delegate()->CanQueueReportingReport(origin);
}
void CanSendReports(std::set<url::Origin> origins,
base::OnceCallback<void(std::set<url::Origin>)>
result_callback) const override {
if (!network_delegate()) {
origins.clear();
std::move(result_callback).Run(std::move(origins));
return;
}
network_delegate()->CanSendReportingReports(std::move(origins),
std::move(result_callback));
}
bool CanSetClient(const url::Origin& origin,
const GURL& endpoint) const override {
return network_delegate() &&
network_delegate()->CanSetReportingClient(origin, endpoint);
}
bool CanUseClient(const url::Origin& origin,
const GURL& endpoint) const override {
return network_delegate() &&
network_delegate()->CanUseReportingClient(origin, endpoint);
}
void ParseJson(const std::string& unsafe_json,
const JsonSuccessCallback& success_callback,
const JsonFailureCallback& failure_callback) const override {
if (unsafe_json.size() > kMaxJsonSize) {
failure_callback.Run();
return;
}
std::unique_ptr<base::Value> value = base::JSONReader::Read(
unsafe_json, base::JSON_PARSE_RFC, kMaxJsonDepth);
if (value)
success_callback.Run(std::move(value));
else
failure_callback.Run();
}
private:
const NetworkDelegate* network_delegate() const {
return request_context_->network_delegate();
}
URLRequestContext* request_context_;
};
} // namespace
// static
std::unique_ptr<ReportingDelegate> ReportingDelegate::Create(
URLRequestContext* request_context) {
return std::make_unique<ReportingDelegateImpl>(request_context);
}
ReportingDelegate::~ReportingDelegate() = default;
} // namespace net