blob: bbcad0a2d0843e9f09c754e63c6007ebd3e07292 [file] [log] [blame]
// Copyright 2018 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 <string>
#include "base/optional.h"
#include "content/browser/web_package/origins_list.h"
#include "content/browser/web_package/signed_exchange_consts.h"
#include "content/browser/web_package/signed_exchange_error.h"
#include "content/common/content_export.h"
class GURL;
namespace url {
class Origin;
} // namespace url
namespace network {
struct ResourceResponseHead;
} // namespace network
namespace content {
class SignedExchangeDevToolsProxy;
namespace signed_exchange_utils {
// Utility method to call SignedExchangeDevToolsProxy::ReportError() and
// TRACE_EVENT_INSTANT1 to report the error to both DevTools and about:tracing.
// If |devtools_proxy| is nullptr, it just calls TRACE_EVENT_INSTANT1().
void ReportErrorAndTraceEvent(
SignedExchangeDevToolsProxy* devtools_proxy,
const std::string& error_message,
base::Optional<SignedExchangeError::FieldIndexPair> error_field =
// Returns true when SignedHTTPExchange feature is NOT enabled and
// SignedHTTPExchangeOriginTrial and SignedHTTPExchangeAcceptHeader features are
// enabled.
bool NeedToCheckRedirectedURLForAcceptHeader();
// Returns true if Accept headers should be sent with
// "application/signed-exchange".
CONTENT_EXPORT bool ShouldAdvertiseAcceptHeader(const url::Origin& origin);
// Returns true when SignedHTTPExchange feature or SignedHTTPExchangeOriginTrial
// feature is enabled.
bool IsSignedExchangeHandlingEnabled();
// Returns true when the response should be handled as a signed exchange by
// checking the mime type and the feature flags. When SignedHTTPExchange feature
// is not enabled and SignedHTTPExchangeOriginTrial feature is enabled, this
// method also checks the Origin Trial header.
bool ShouldHandleAsSignedHTTPExchange(
const GURL& request_url,
const network::ResourceResponseHead& head);
// Extracts the signed exchange version [1] from |content_type|, and converts it
// to SignedExchanveVersion. Returns nullopt if the mime type is not a variant
// of application/signed-exchange. Returns SignedExchangeVersion::kUnknown if an
// unsupported signed exchange version is found.
// [1]
CONTENT_EXPORT base::Optional<SignedExchangeVersion> GetSignedExchangeVersion(
const std::string& content_type);
} // namespace signed_exchange_utils
} // namespace content