mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 02:18:58 +01:00
103 lines
4.3 KiB
C++
103 lines
4.3 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_M_EVENT_EVENT_H
|
|
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wsubobject-linkage"
|
|
/// The Main Event
|
|
///
|
|
/// This json::tuple provides at least all of the legal members of the matrix
|
|
/// standard event. This is the fundamental building block of the matrix
|
|
/// system. Rooms are collections of events. Messages between servers are
|
|
/// passed as bundles of events (or directly).
|
|
///
|
|
/// It is better to have 100 functions operate on one data structure than
|
|
/// to have 10 functions operate on 10 data structures.
|
|
/// -Alan Perlis
|
|
///
|
|
struct ircd::m::event
|
|
:json::tuple
|
|
<
|
|
json::property<name::auth_events, json::array>,
|
|
json::property<name::content, json::object>,
|
|
json::property<name::depth, int64_t>,
|
|
json::property<name::event_id, json::string>,
|
|
json::property<name::hashes, json::object>,
|
|
json::property<name::membership, json::string>,
|
|
json::property<name::origin, json::string>,
|
|
json::property<name::origin_server_ts, time_t>,
|
|
json::property<name::prev_events, json::array>,
|
|
json::property<name::prev_state, json::array>,
|
|
json::property<name::redacts, json::string>,
|
|
json::property<name::room_id, json::string>,
|
|
json::property<name::sender, json::string>,
|
|
json::property<name::signatures, json::object>,
|
|
json::property<name::state_key, json::string>,
|
|
json::property<name::type, json::string>
|
|
>
|
|
{
|
|
struct prev;
|
|
struct fetch;
|
|
struct conforms;
|
|
using keys = json::keys<event>;
|
|
|
|
// Common convenience aliases
|
|
using id = m::id::event;
|
|
using idx = uint64_t;
|
|
using closure = std::function<void (const event &)>;
|
|
using closure_bool = std::function<bool (const event &)>;
|
|
using closure_idx = std::function<void (const idx &)>;
|
|
using closure_idx_bool = std::function<bool (const idx &)>;
|
|
using closure_iov_mutable = std::function<void (json::iov &)>;
|
|
|
|
static constexpr size_t MAX_SIZE = 64_KiB;
|
|
static conf::item<size_t> max_size;
|
|
|
|
friend event essential(event, const mutable_buffer &content);
|
|
static void essential(json::iov &event, const json::iov &content, const closure_iov_mutable &);
|
|
|
|
static bool verify(const string_view &, const ed25519::pk &, const ed25519::sig &sig);
|
|
static bool verify(const json::object &, const ed25519::pk &, const ed25519::sig &sig);
|
|
friend bool verify(const event &, const ed25519::pk &, const ed25519::sig &sig);
|
|
friend bool verify(const event &, const ed25519::pk &, const string_view &origin, const string_view &pkid);
|
|
friend bool verify(const event &, const string_view &origin, const string_view &pkid); // io/yield
|
|
friend bool verify(const event &, const string_view &origin); // io/yield
|
|
friend bool verify(const event &); // io/yield
|
|
|
|
static ed25519::sig sign(const string_view &, const ed25519::sk &);
|
|
static ed25519::sig sign(const string_view &);
|
|
static ed25519::sig sign(const json::object &, const ed25519::sk &);
|
|
static ed25519::sig sign(const json::object &);
|
|
friend ed25519::sig sign(const event &, const ed25519::sk &);
|
|
friend ed25519::sig sign(const event &);
|
|
static ed25519::sig sign(json::iov &event, const json::iov &content, const ed25519::sk &);
|
|
static ed25519::sig sign(json::iov &event, const json::iov &content);
|
|
static json::object signatures(const mutable_buffer &, json::iov &event, const json::iov &content);
|
|
friend event signatures(const mutable_buffer &, const m::event &);
|
|
|
|
friend bool verify_sha256b64(const event &, const string_view &);
|
|
friend bool verify_hash(const event &, const sha256::buf &);
|
|
friend bool verify_hash(const event &);
|
|
|
|
friend sha256::buf hash(const event &);
|
|
static sha256::buf hash(json::iov &event, const string_view &content);
|
|
static json::object hashes(const mutable_buffer &, json::iov &event, const string_view &content);
|
|
friend json::object hashes(const mutable_buffer &, const event &);
|
|
|
|
using super_type::tuple;
|
|
using super_type::operator=;
|
|
|
|
event(const idx &, const mutable_buffer &buf);
|
|
event(const id &, const mutable_buffer &buf);
|
|
event() = default;
|
|
};
|
|
#pragma GCC diagnostic pop
|