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// 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_ERROR_H_
#define CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_ERROR_H_
#include <string>
#include <utility>
#include "base/optional.h"
#include "content/browser/web_package/signed_exchange_signature_verifier.h"
namespace content {
// This enum is used for recording histograms. Treat as append-only.
enum class SignedExchangeLoadResult {
kSuccess,
// SXG was served from non-secure origin.
kSXGServedFromNonHTTPS,
// SXG parse error (couldn't extract fallback URL).
kFallbackURLParseError,
// Unsupported version of SXG (could extract fallback URL).
kVersionMismatch,
// SXG parse error (could extract fallback URL).
kHeaderParseError,
// Network error occurred while loading SXG header.
kSXGHeaderNetError,
// Failed to fetch certificate chain.
kCertFetchError,
// Failed to parse certificate chain.
kCertParseError,
// Signature verification failed.
kSignatureVerificationError,
// Cert verification failed.
kCertVerificationError,
// CT verification failed.
kCTVerificationError,
// OCSP check failed.
kOCSPError,
// Certificate Requirements aren't met.
// https://wicg.github.io/webpackage/draft-yasskin-http-origin-signed-responses.html#cross-origin-cert-req
kCertRequirementsNotMet,
kMaxValue = kCertRequirementsNotMet
};
struct SignedExchangeError {
public:
enum class Field {
kSignatureSig,
kSignatureIintegrity,
kSignatureCertUrl,
kSignatureCertSha256,
kSignatureValidityUrl,
kSignatureTimestamps,
};
// |signature_index| will be used when we will support multiple signatures in
// a signed exchange header to indicate which signature is causing the error.
using FieldIndexPair = std::pair<int /* signature_index */, Field>;
static base::Optional<Field> GetFieldFromSignatureVerifierResult(
SignedExchangeSignatureVerifier::Result verify_result);
SignedExchangeError(const std::string& message,
base::Optional<FieldIndexPair> field);
// Copy constructor.
SignedExchangeError(const SignedExchangeError& other);
// Move constructor.
SignedExchangeError(SignedExchangeError&& other);
~SignedExchangeError();
std::string message;
base::Optional<FieldIndexPair> field;
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_ERROR_H_