mirror of
https://github.com/matrix-construct/construct
synced 2024-12-28 16:34:13 +01:00
177 lines
6.6 KiB
C++
177 lines
6.6 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_H
|
|
|
|
namespace ircd::m
|
|
{
|
|
struct event;
|
|
|
|
// General util
|
|
bool my(const id::event &);
|
|
bool my(const event &);
|
|
bool exists(const id::event &);
|
|
bool exists(const id::event &, const bool &good);
|
|
bool cached(const id::event &);
|
|
bool good(const id::event &);
|
|
bool bad(const id::event &);
|
|
|
|
// parallel util; returns bitset
|
|
uint64_t exists(const vector_view<const id::event> &);
|
|
|
|
// Equality tests the event_id only! know this.
|
|
bool operator==(const event &a, const event &b);
|
|
|
|
// Depth comparison; expect unstable sorting.
|
|
bool operator<(const event &, const event &);
|
|
bool operator>(const event &, const event &);
|
|
bool operator<=(const event &, const event &);
|
|
bool operator>=(const event &, const event &);
|
|
|
|
// Topological comparison
|
|
size_t degree(const event &);
|
|
bool before(const event &a, const event &b);
|
|
|
|
json::object hashes(const mutable_buffer &, const event &);
|
|
event signatures(const mutable_buffer &, const m::event &, const string_view &origin);
|
|
event signatures(const mutable_buffer &, const m::event &);
|
|
event essential(event, const mutable_buffer &content, const bool &sigs = false);
|
|
|
|
bool verify_hash(const event &, const sha256::buf &);
|
|
bool verify_hash(const event &);
|
|
|
|
bool verify(const event &, const ed25519::pk &, const ed25519::sig &sig);
|
|
bool verify(const event &, const ed25519::pk &, const string_view &origin, const string_view &pkid);
|
|
bool verify(const event &, const string_view &origin, const string_view &pkid); // io/yield
|
|
bool verify(const event &, const string_view &origin); // io/yield
|
|
bool verify(const event &); // io/yield
|
|
|
|
sha256::buf hash(const event &);
|
|
ed25519::sig sign(const event &, const ed25519::sk &);
|
|
ed25519::sig sign(const event &, const string_view &origin);
|
|
ed25519::sig sign(const event &);
|
|
|
|
id::event make_id(const event &, const string_view &version, id::event::buf &buf, const const_buffer &hash);
|
|
id::event make_id(const event &, const string_view &version, id::event::buf &buf);
|
|
bool check_id(const event &, const string_view &room_version) noexcept;
|
|
bool check_id(const event &) noexcept;
|
|
}
|
|
|
|
///
|
|
/// 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 auth;
|
|
struct prev;
|
|
struct refs;
|
|
struct horizon;
|
|
struct fetch;
|
|
struct conforms;
|
|
struct append;
|
|
|
|
using keys = json::keys<event>;
|
|
using id = m::id::event;
|
|
using idx = uint64_t;
|
|
using idx_range = std::pair<idx, idx>;
|
|
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 const size_t &MAX_SIZE {64_KiB};
|
|
static constexpr const size_t &TYPE_MAX_SIZE {256};
|
|
static constexpr const size_t &ORIGIN_MAX_SIZE {256};
|
|
static constexpr const size_t &STATE_KEY_MAX_SIZE {512};
|
|
static conf::item<size_t> max_size;
|
|
static thread_local char buf[4][MAX_SIZE]; // general-use scratch
|
|
|
|
static bool my(const idx &);
|
|
static json::object preimage(const mutable_buffer &, const json::object &);
|
|
static void essential(json::iov &event, const json::iov &content, const closure_iov_mutable &);
|
|
static bool verify(const json::object &, const ed25519::pk &, const ed25519::sig &sig, const bool &canonical = false);
|
|
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 &);
|
|
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);
|
|
static sha256::buf hash(json::iov &event, const string_view &content);
|
|
static sha256::buf hash(const json::object &);
|
|
static json::object hashes(const mutable_buffer &, json::iov &event, const string_view &content);
|
|
|
|
/// Always set for PDU's, not set for EDU's. The reference to the event_id
|
|
/// for this event. For v1 events, this may point to somewhere inside the
|
|
/// source; otherwise the event source may have been hashed into a buffer
|
|
/// near the construction site, or retrieved from db, etc.
|
|
id event_id;
|
|
|
|
/// Convenience morphism
|
|
explicit operator const id &() const;
|
|
|
|
event(const json::object &, const id &, const keys &);
|
|
event(const json::object &, const id &);
|
|
event(id::buf &, const json::object &, const string_view &version = {});
|
|
event(const json::object &, const keys &);
|
|
event(const json::object &);
|
|
explicit event(const json::members &);
|
|
explicit event(const json::iov &, const id &);
|
|
explicit event(const json::iov &);
|
|
event() = default;
|
|
};
|
|
|
|
#include "index.h"
|
|
#include "auth.h"
|
|
#include "prev.h"
|
|
#include "refs.h"
|
|
#include "horizon.h"
|
|
#include "event_id.h"
|
|
#include "fetch.h"
|
|
#include "cached.h"
|
|
#include "prefetch.h"
|
|
#include "conforms.h"
|
|
#include "pretty.h"
|
|
#include "append.h"
|
|
|
|
inline ircd::m::event::operator
|
|
const id &()
|
|
const
|
|
{
|
|
return event_id;
|
|
}
|