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crossdesk/apps/desktop/src/gui/runtime/trusted_devices.h
T

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2.0 KiB
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/*
* @Author: DI JUNKUN
* @Date: 2026-11-01
* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
*/
#ifndef _TRUSTED_DEVICES_H_
#define _TRUSTED_DEVICES_H_
#include <openssl/evp.h>
#include <filesystem>
#include <map>
#include <memory>
#include <mutex>
#include <nlohmann/json.hpp>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
namespace crossdesk {
class TrustedDevices {
public:
struct Device {
std::string public_key, name, device_id;
bool operator==(const Device&) const = default;
};
TrustedDevices(const std::filesystem::path& directory,
const std::filesystem::path& cache);
std::string Fingerprint() const;
const std::string& PublicKey() const { return public_key_; }
// Callers supply a canonical, purpose-specific transcript.
std::string Sign(std::string_view transcript) const;
static std::string Fingerprint(const std::string& public_key);
static std::string Nonce();
nlohmann::json Prove(const std::string& nonce,
const std::string& device_id, const std::string& name) const;
static std::optional<Device> Verify(const nlohmann::json& proof,
const std::string& nonce);
static constexpr size_t kMaxPairingInfoSize = 2048;
std::string PairingInfo(const std::string& device_id, const std::string& name) const;
static std::optional<Device> ParsePairingInfo(std::string_view text);
bool Contains(const std::string& public_key) const;
std::vector<Device> List() const;
// Call only after a local add action for a verified peer or valid pairing info.
void Add(const Device& device);
void Remove(const std::string& public_key);
private:
void Save(const std::map<std::string, Device>& devices) const;
std::filesystem::path path_;
std::unique_ptr<EVP_PKEY, decltype(&EVP_PKEY_free)> key_{nullptr, EVP_PKEY_free};
std::string public_key_;
mutable std::mutex mutex_;
std::map<std::string, Device> devices_;
};
} // namespace crossdesk
#endif