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construct/include/ircd/m/event/auth.h

72 lines
2 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_AUTH_H
struct ircd::m::event::auth
{
struct refs;
struct chain;
static bool is_power_event(const event &);
static string_view failed(const event &, const vector_view<const event *> &auth_events);
static string_view failed(const event &);
static bool check(std::nothrow_t, const event &);
static void check(const event &);
};
/// Interface to the references made by other power events to this power
/// event in the `auth_events`. This interface only deals with power events,
/// it doesn't care if a non-power event referenced a power event. This does
/// not contain the auth-chain or state resolution algorithm here, those are
/// later constructed out of this data.
struct ircd::m::event::auth::refs
{
event::idx idx;
public:
using closure_bool = event::closure_idx_bool;
bool for_each(const string_view &type, const closure_bool &) const;
bool for_each(const closure_bool &) const;
bool has(const string_view &type) const noexcept;
bool has(const event::idx &) const noexcept;
size_t count(const string_view &type) const noexcept;
size_t count() const noexcept;
refs(const event::idx &idx)
:idx{idx}
{}
};
struct ircd::m::event::auth::chain
{
using closure_bool = event::closure_idx_bool;
using closure = event::closure_idx;
event::idx idx;
static bool for_each(const auth::chain &, const closure_bool &);
public:
bool for_each(const closure_bool &) const;
bool for_each(const closure &) const;
bool has(const string_view &type) const noexcept;
size_t depth() const noexcept;
chain(const event::idx &idx)
:idx{idx}
{}
};