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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_DEVICE_BOUND_SESSIONS_SESSION_BINDING_UTILS_H_
#define NET_DEVICE_BOUND_SESSIONS_SESSION_BINDING_UTILS_H_
#include <optional>
#include <string>
#include <string_view>
#include "base/containers/span.h"
#include "crypto/signature_verifier.h"
#include "net/base/net_export.h"
class GURL;
namespace base {
class Time;
}
namespace net::device_bound_sessions {
// Creates header and payload parts of a registration JWT.
std::optional<std::string> NET_EXPORT CreateKeyRegistrationHeaderAndPayload(
std::string_view challenge,
const GURL& registration_url,
crypto::SignatureVerifier::SignatureAlgorithm algorithm,
base::span<const uint8_t> pubkey_spki,
base::Time timestamp,
std::optional<std::string> authorization,
std::optional<std::string> session_identifier);
// Appends `signature` generated by `algorithm` to provided `header_and_payload`
// to form a complete JWT.
std::optional<std::string> NET_EXPORT AppendSignatureToHeaderAndPayload(
std::string_view header_and_payload,
crypto::SignatureVerifier::SignatureAlgorithm algorithm,
base::span<const uint8_t> signature);
// Returns true if `url`'s scheme is cryptographic or if it's localhost. This
// uses the same definition of secure connections that cookies use.
bool NET_EXPORT IsSecure(const GURL& url);
} // namespace net::device_bound_sessions
#endif // NET_DEVICE_BOUND_SESSIONS_SESSION_BINDING_UTILS_H_
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