| // 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. |
| |
| #ifndef CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_UTILS_H_ |
| #define CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_UTILS_H_ |
| |
| #include <string> |
| |
| #include "base/optional.h" |
| #include "content/browser/web_package/signed_exchange_consts.h" |
| #include "content/browser/web_package/signed_exchange_error.h" |
| #include "content/browser/web_package/signed_exchange_signature_verifier.h" |
| #include "content/common/content_export.h" |
| #include "url/gurl.h" |
| |
| namespace network { |
| struct ResourceResponseHead; |
| } // namespace network |
| |
| namespace content { |
| |
| class ResourceContext; |
| class SignedExchangeDevToolsProxy; |
| |
| namespace signed_exchange_utils { |
| |
| // URLWithRawString holds a parsed URL along with its raw bytes. |
| struct URLWithRawString { |
| GURL url; |
| std::string raw_string; |
| URLWithRawString() = default; |
| URLWithRawString(base::StringPiece url_string) |
| : url(url_string), raw_string(url_string.as_string()) {} |
| }; |
| |
| // 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 = |
| base::nullopt); |
| |
| // Returns true when SignedHTTPExchange feature is enabled. This must be called |
| // on the IO thread. |
| CONTENT_EXPORT bool IsSignedExchangeHandlingEnabled(ResourceContext* context); |
| |
| // Returns true when SignedExchangeReportingForDistributors feature is enabled. |
| bool IsSignedExchangeReportingForDistributorsEnabled(); |
| |
| // Returns true when the response should be handled as a signed exchange by |
| // checking the url and the response headers. Note that the caller should also |
| // check IsSignedExchangeHandlingEnabled() before really enabling the feature. |
| 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] https://wicg.github.io/webpackage/loading.html#signed-exchange-version |
| CONTENT_EXPORT base::Optional<SignedExchangeVersion> GetSignedExchangeVersion( |
| const std::string& content_type); |
| |
| // Returns the matching SignedExchangeLoadResult for the verifier's result. |
| // There is a gap between the logic of SignedExchangeSignatureVerifier and the |
| // spec of Loading Signed Exchanges [1]. This method is used to fill the gap |
| // and send a correct signed exchange report. |
| // [1] https://wicg.github.io/webpackage/loading.html |
| SignedExchangeLoadResult GetLoadResultFromSignatureVerifierResult( |
| SignedExchangeSignatureVerifier::Result verify_result); |
| |
| } // namespace signed_exchange_utils |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_UTILS_H_ |