chromium/services/network/cors/preflight_controller.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SERVICES_NETWORK_CORS_PREFLIGHT_CONTROLLER_H_
#define SERVICES_NETWORK_CORS_PREFLIGHT_CONTROLLER_H_

#include <memory>
#include <optional>

#include "base/component_export.h"
#include "base/containers/enum_set.h"
#include "base/containers/unique_ptr_adapters.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/types/expected.h"
#include "base/types/strong_alias.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/cors/preflight_cache.h"
#include "services/network/cors/preflight_result.h"
#include "services/network/public/cpp/cors/cors_error_status.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/clear_data_filter.mojom-forward.h"
#include "services/network/public/mojom/fetch_api.mojom.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom-forward.h"
#include "url/gurl.h"

namespace net {
class NetLogWithSource;
}  // namespace net

namespace network {

class NetworkService;

namespace cors {

// Name of a histogram that records preflight errors (CorsError values).
extern const char kPreflightErrorHistogramName[];

// Name of a histogram that records suppressed preflight errors, aka warnings.
extern const char kPreflightWarningHistogramName[];

// Dictates how the PreflightController should treat PNA preflights.
//
// TODO(crbug.com/40204695): Remove this once enforcement is always on.
enum class PrivateNetworkAccessPreflightBehavior { … };
// A class to manage CORS-preflight, making a CORS-preflight request, checking
// its result, and owning a CORS-preflight cache.
class COMPONENT_EXPORT(NETWORK_SERVICE) PreflightController final { … };

}  // namespace cors

}  // namespace network

#endif  // SERVICES_NETWORK_CORS_PREFLIGHT_CONTROLLER_H_