mirror of
https://github.com/matrix-construct/construct
synced 2024-11-03 04:18:55 +01:00
1861 lines
35 KiB
C++
1861 lines
35 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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std::string
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ircd::m::pretty(const event &event)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty(s, event);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty(std::ostream &s,
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const event &e)
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{
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using prototype = void (std::ostream &, const event &);
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static mods::import<prototype> pretty
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{
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"m_event", "pretty__event"
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};
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pretty(s, e);
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return s;
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}
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std::string
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ircd::m::pretty_oneline(const event &event,
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const bool &content_keys)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_oneline(s, event, content_keys);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_oneline(std::ostream &s,
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const event &e,
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const bool &content_keys)
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{
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using prototype = void (std::ostream &, const event &, const bool &);
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static mods::import<prototype> pretty_oneline
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{
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"m_event", "pretty_oneline__event"
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};
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pretty_oneline(s, e, content_keys);
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return s;
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}
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std::string
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ircd::m::pretty_msgline(const event &event)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_msgline(s, event);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_msgline(std::ostream &s,
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const event &e)
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{
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using prototype = void (std::ostream &, const event &);
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static mods::import<prototype> pretty_msgline
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{
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"m_event", "pretty_msgline__event"
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};
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pretty_msgline(s, e);
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return s;
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}
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std::string
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ircd::m::pretty(const event::prev &prev)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty(s, prev);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty(std::ostream &s,
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const event::prev &prev)
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{
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using prototype = void (std::ostream &, const event::prev &);
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static mods::import<prototype> pretty
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{
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"m_event", "pretty__prev"
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};
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pretty(s, prev);
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return s;
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}
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std::string
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ircd::m::pretty_oneline(const event::prev &prev)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_oneline(s, prev);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_oneline(std::ostream &s,
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const event::prev &prev)
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{
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using prototype = void (std::ostream &, const event::prev &);
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static mods::import<prototype> pretty_oneline
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{
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"m_event", "pretty_oneline__prev"
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};
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pretty_oneline(s, prev);
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return s;
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}
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ircd::m::id::event
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ircd::m::make_id(const event &event,
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id::event::buf &buf)
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{
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const crh::sha256::buf hash{event};
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return make_id(event, buf, hash);
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}
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ircd::m::id::event
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ircd::m::make_id(const event &event,
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id::event::buf &buf,
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const const_buffer &hash)
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{
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char readable[b58encode_size(sha256::digest_size)];
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const id::event ret
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{
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buf, b58encode(readable, hash), my_host()
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};
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buf.assigned(ret);
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return ret;
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}
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bool
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ircd::m::before(const event &a,
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const event &b)
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{
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const event::prev prev{b};
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return prev.prev_events_has(at<"event_id"_>(a));
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}
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bool
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ircd::m::operator>=(const event &a, const event &b)
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{
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assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
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return at<"depth"_>(a) >= at<"depth"_>(b);
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}
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bool
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ircd::m::operator<=(const event &a, const event &b)
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{
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assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
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return at<"depth"_>(a) <= at<"depth"_>(b);
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}
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bool
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ircd::m::operator>(const event &a, const event &b)
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{
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assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
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return at<"depth"_>(a) > at<"depth"_>(b);
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}
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bool
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ircd::m::operator<(const event &a, const event &b)
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{
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assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
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return at<"depth"_>(a) < at<"depth"_>(b);
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}
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bool
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ircd::m::operator==(const event &a, const event &b)
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{
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assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
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return at<"event_id"_>(a) == at<"event_id"_>(b);
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}
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bool
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ircd::m::bad(const id::event &event_id)
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{
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bool ret {false};
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index(event_id, std::nothrow, [&ret]
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(const event::idx &event_idx)
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{
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ret = event_idx == 0;
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});
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return ret;
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}
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bool
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ircd::m::good(const id::event &event_id)
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{
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return index(event_id, std::nothrow) != 0;
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}
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bool
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ircd::m::exists(const id::event &event_id,
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const bool &good)
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{
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return good?
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m::good(event_id):
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m::exists(event_id);
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}
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bool
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ircd::m::exists(const id::event &event_id)
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{
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auto &column
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{
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dbs::event_idx
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};
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return has(column, event_id);
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}
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void
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ircd::m::check_size(const event &event)
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{
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const size_t &event_size
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{
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serialized(event)
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};
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if(event_size > size_t(event::max_size))
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throw m::BAD_JSON
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{
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"Event is %zu bytes which is larger than the maximum %zu bytes",
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event_size,
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size_t(event::max_size)
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};
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}
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bool
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ircd::m::check_size(std::nothrow_t,
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const event &event)
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{
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const size_t &event_size
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{
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serialized(event)
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};
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return event_size <= size_t(event::max_size);
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}
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ircd::string_view
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ircd::m::membership(const event &event)
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{
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return json::get<"membership"_>(event)?
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string_view{json::get<"membership"_>(event)}:
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unquote(json::get<"content"_>(event).get("membership"));
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}
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size_t
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ircd::m::degree(const event &event)
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{
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return degree(event::prev{event});
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}
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size_t
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ircd::m::degree(const event::prev &prev)
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{
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size_t ret{0};
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json::for_each(prev, [&ret]
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(const auto &, const json::array &prevs)
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{
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ret += prevs.count();
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});
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return ret;
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}
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size_t
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ircd::m::count(const event::prev &prev)
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{
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size_t ret{0};
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m::for_each(prev, [&ret](const event::id &event_id)
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{
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++ret;
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});
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return ret;
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}
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void
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ircd::m::for_each(const event::prev &prev,
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const event::id::closure &closure)
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{
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m::for_each(prev, event::id::closure_bool{[&closure]
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(const event::id &event_id)
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{
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closure(event_id);
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return true;
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}});
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}
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bool
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ircd::m::for_each(const event::prev &prev,
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const event::id::closure_bool &closure)
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{
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return json::until(prev, [&closure]
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(const auto &key, const json::array &prevs)
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{
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for(const json::array &prev : prevs)
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if(!closure(event::id(unquote(prev.at(0)))))
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return false;
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return true;
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});
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}
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bool
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ircd::m::my(const event &event)
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{
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const auto &origin(json::get<"origin"_>(event));
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const auto &eid(json::get<"event_id"_>(event));
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return
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origin?
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my_host(origin):
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eid?
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my(event::id(eid)):
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false;
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}
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bool
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ircd::m::my(const id::event &event_id)
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{
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return self::host(event_id.host());
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}
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//
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// event
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//
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/// The maximum size of an event we will create. This may also be used in
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/// some contexts for what we will accept, but the protocol limit and hard
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/// worst-case buffer size is still event::MAX_SIZE.
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ircd::conf::item<size_t>
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ircd::m::event::max_size
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{
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{ "name", "m.event.max_size" },
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{ "default", 65507L },
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};
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//
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// event::event
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//
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ircd::m::event::event(const id &id,
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const mutable_buffer &buf)
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:event
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{
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index(id), buf
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}
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{
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}
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ircd::m::event::event(const idx &idx,
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const mutable_buffer &buf)
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{
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assert(bool(dbs::events));
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db::gopts opts;
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for(size_t i(0); i < dbs::event_column.size(); ++i)
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{
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const db::cell cell
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{
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dbs::event_column[i], byte_view<string_view>{idx}, opts
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};
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db::assign(*this, cell, byte_view<string_view>{idx});
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}
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const json::object obj
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{
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string_view
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{
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data(buf), json::print(buf, *this)
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}
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};
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new (this) m::event(obj);
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}
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namespace ircd::m
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{
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static json::object make_hashes(const mutable_buffer &out, const sha256::buf &hash);
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}
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ircd::json::object
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ircd::m::hashes(const mutable_buffer &out,
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const event &event)
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{
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const sha256::buf hash_
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{
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hash(event)
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};
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return make_hashes(out, hash_);
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}
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ircd::json::object
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ircd::m::event::hashes(const mutable_buffer &out,
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json::iov &event,
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const string_view &content)
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{
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const sha256::buf hash_
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{
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hash(event, content)
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};
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return make_hashes(out, hash_);
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}
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ircd::json::object
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ircd::m::make_hashes(const mutable_buffer &out,
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const sha256::buf &hash)
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{
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static const auto b64bufsz(b64encode_size(sizeof(hash)));
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thread_local char hashb64buf[b64bufsz];
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const json::members hashes
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{
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{ "sha256", b64encode_unpadded(hashb64buf, hash) }
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};
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return json::stringify(mutable_buffer{out}, hashes);
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}
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ircd::sha256::buf
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ircd::m::event::hash(json::iov &event,
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const string_view &content)
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{
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const json::iov::push _content
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{
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event, { "content", content }
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};
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return m::hash(event);
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}
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ircd::sha256::buf
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ircd::m::hash(const event &event)
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{
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thread_local char buf[64_KiB];
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string_view preimage;
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//TODO: tuple::keys::selection
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if(defined(json::get<"signatures"_>(event)) ||
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defined(json::get<"hashes"_>(event)))
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{
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m::event event_{event};
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json::get<"signatures"_>(event_) = {};
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json::get<"hashes"_>(event_) = {};
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preimage =
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{
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stringify(buf, event_)
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};
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}
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else preimage =
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{
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stringify(buf, event)
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};
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const sha256::buf hash
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{
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sha256{preimage}
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};
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return hash;
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}
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bool
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ircd::m::verify_hash(const event &event)
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{
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const sha256::buf hash
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{
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m::hash(event)
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};
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return verify_hash(event, hash);
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}
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bool
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ircd::m::verify_hash(const event &event,
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const sha256::buf &hash)
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{
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static const size_t hashb64sz
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{
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size_t(hash.size() * 1.34) + 1
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};
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thread_local char b64buf[hashb64sz];
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return verify_sha256b64(event, b64encode_unpadded(b64buf, hash));
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}
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bool
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ircd::m::verify_sha256b64(const event &event,
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const string_view &b64)
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try
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{
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const json::object &object
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{
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at<"hashes"_>(event)
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};
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const string_view &hash
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{
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unquote(object.at("sha256"))
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};
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return hash == b64;
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}
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catch(const json::not_found &)
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{
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return false;
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}
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ircd::json::object
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ircd::m::event::signatures(const mutable_buffer &out,
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json::iov &event,
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const json::iov &content)
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{
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const ed25519::sig sig
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{
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sign(event, content)
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};
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thread_local char sigb64buf[b64encode_size(sizeof(sig))];
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const json::members sigb64
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{
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{ self::public_key_id, b64encode_unpadded(sigb64buf, sig) }
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};
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const json::members sigs
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{
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{ my_host(), sigb64 }
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};
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return json::stringify(mutable_buffer{out}, sigs);
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}
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ircd::m::event
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ircd::m::signatures(const mutable_buffer &out_,
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const m::event &event_)
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{
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thread_local char content[64_KiB];
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m::event event
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{
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essential(event_, content)
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};
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thread_local char buf[64_KiB];
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const json::object &preimage
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{
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stringify(buf, event)
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};
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const ed25519::sig sig
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{
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sign(preimage)
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};
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thread_local char sigb64buf[b64encode_size(sizeof(sig))];
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const json::member my_sig
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{
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my_host(), json::members
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{
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{ self::public_key_id, b64encode_unpadded(sigb64buf, sig) }
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}
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};
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static const size_t SIG_MAX{64};
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thread_local std::array<json::member, SIG_MAX> sigs;
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size_t i(0);
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sigs.at(i++) = my_sig;
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for(const auto &other : json::get<"signatures"_>(event_))
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if(!my_host(unquote(other.first)))
|
|
sigs.at(i++) = { other.first, other.second };
|
|
|
|
event = event_;
|
|
mutable_buffer out{out_};
|
|
json::get<"signatures"_>(event) = json::stringify(out, sigs.data(), sigs.data() + i);
|
|
return event;
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(json::iov &event,
|
|
const json::iov &contents)
|
|
{
|
|
return sign(event, contents, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(json::iov &event,
|
|
const json::iov &contents,
|
|
const ed25519::sk &sk)
|
|
{
|
|
ed25519::sig sig;
|
|
essential(event, contents, [&sk, &sig]
|
|
(json::iov &event)
|
|
{
|
|
sig = m::sign(event, sk);
|
|
});
|
|
|
|
return sig;
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::sign(const event &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::sign(const event &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
thread_local char buf[64_KiB];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return event::sign(preimage, sk);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const json::object &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const json::object &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
//TODO: skip rewrite
|
|
thread_local char buf[64_KiB];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return sign(preimage, sk);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const string_view &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const string_view &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
const ed25519::sig sig
|
|
{
|
|
sk.sign(event)
|
|
};
|
|
|
|
return sig;
|
|
}
|
|
bool
|
|
ircd::m::verify(const event &event)
|
|
{
|
|
const string_view &origin
|
|
{
|
|
at<"origin"_>(event)
|
|
};
|
|
|
|
return verify(event, origin);
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const string_view &origin)
|
|
{
|
|
const json::object &signatures
|
|
{
|
|
at<"signatures"_>(event)
|
|
};
|
|
|
|
const json::object &origin_sigs
|
|
{
|
|
signatures.at(origin)
|
|
};
|
|
|
|
for(const auto &p : origin_sigs)
|
|
if(verify(event, origin, unquote(p.first)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const string_view &origin,
|
|
const string_view &keyid)
|
|
try
|
|
{
|
|
const m::node::id::buf node_id
|
|
{
|
|
m::node::id::origin, origin
|
|
};
|
|
|
|
const m::node node
|
|
{
|
|
node_id
|
|
};
|
|
|
|
bool ret{false};
|
|
node.key(keyid, [&ret, &event, &origin, &keyid]
|
|
(const ed25519::pk &pk)
|
|
{
|
|
ret = verify(event, pk, origin, keyid);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const m::NOT_FOUND &e)
|
|
{
|
|
log::derror
|
|
{
|
|
"Failed to verify %s because key %s for %s :%s",
|
|
string_view{json::get<"event_id"_>(event)},
|
|
keyid,
|
|
origin,
|
|
e.what()
|
|
};
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const ed25519::pk &pk,
|
|
const string_view &origin,
|
|
const string_view &keyid)
|
|
{
|
|
const json::object &signatures
|
|
{
|
|
at<"signatures"_>(event)
|
|
};
|
|
|
|
const json::object &origin_sigs
|
|
{
|
|
signatures.at(origin)
|
|
};
|
|
|
|
const ed25519::sig sig
|
|
{
|
|
[&origin_sigs, &keyid](auto &buf)
|
|
{
|
|
b64decode(buf, unquote(origin_sigs.at(keyid)));
|
|
}
|
|
};
|
|
|
|
return verify(event, pk, sig);
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event_,
|
|
const ed25519::pk &pk,
|
|
const ed25519::sig &sig)
|
|
{
|
|
thread_local char content[64_KiB];
|
|
m::event event
|
|
{
|
|
essential(event_, content)
|
|
};
|
|
|
|
thread_local char buf[64_KiB];
|
|
const json::object &preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return event::verify(preimage, pk, sig);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::verify(const json::object &event,
|
|
const ed25519::pk &pk,
|
|
const ed25519::sig &sig)
|
|
{
|
|
//TODO: skip rewrite
|
|
thread_local char buf[64_KiB];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return verify(preimage, pk, sig);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::verify(const string_view &event,
|
|
const ed25519::pk &pk,
|
|
const ed25519::sig &sig)
|
|
{
|
|
return pk.verify(event, sig);
|
|
}
|
|
|
|
void
|
|
ircd::m::event::essential(json::iov &event,
|
|
const json::iov &contents,
|
|
const closure_iov_mutable &closure)
|
|
{
|
|
const auto &type
|
|
{
|
|
event.at("type")
|
|
};
|
|
|
|
if(type == "m.room.aliases")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "aliases", contents.at("aliases") }
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.create")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "creator", contents.at("creator") }
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.history_visibility")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "history_visibility", contents.at("history_visibility") }
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.join_rules")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "join_rule", contents.at("join_rule") }
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.member")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "membership", contents.at("membership") }
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.power_levels")
|
|
{
|
|
const json::iov::push _content{event,
|
|
{
|
|
"content", json::members
|
|
{
|
|
{ "ban", contents.at("ban") },
|
|
{ "events", contents.at("events") },
|
|
{ "events_default", contents.at("events_default") },
|
|
{ "kick", contents.at("kick") },
|
|
{ "redact", contents.at("redact") },
|
|
{ "state_default", contents.at("state_default") },
|
|
{ "users", contents.at("users") },
|
|
{ "users_default", contents.at("users_default") },
|
|
}
|
|
}};
|
|
|
|
closure(event);
|
|
}
|
|
else if(type == "m.room.redaction")
|
|
{
|
|
// This simply finds the redacts key and swaps it with jsundefined for
|
|
// the scope's duration. The redacts key will still be present and
|
|
// visible in the json::iov which is incorrect if directly serialized.
|
|
// However, this iov is turned into a json::tuple (m::event) which ends
|
|
// up being serialized for signing. That serialization is where the
|
|
// jsundefined redacts value is ignored.
|
|
auto &redacts{event.at("redacts")};
|
|
json::value temp(std::move(redacts));
|
|
redacts = json::value{};
|
|
const unwind _{[&redacts, &temp]
|
|
{
|
|
redacts = std::move(temp);
|
|
}};
|
|
|
|
const json::iov::push _content
|
|
{
|
|
event, { "content", "{}" }
|
|
};
|
|
|
|
closure(event);
|
|
}
|
|
else
|
|
{
|
|
const json::iov::push _content
|
|
{
|
|
event, { "content", "{}" }
|
|
};
|
|
|
|
closure(event);
|
|
}
|
|
}
|
|
|
|
ircd::m::event
|
|
ircd::m::essential(m::event event,
|
|
const mutable_buffer &contentbuf)
|
|
{
|
|
const auto &type
|
|
{
|
|
json::at<"type"_>(event)
|
|
};
|
|
|
|
json::object &content
|
|
{
|
|
json::get<"content"_>(event)
|
|
};
|
|
|
|
mutable_buffer essential
|
|
{
|
|
contentbuf
|
|
};
|
|
|
|
if(type == "m.room.aliases")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "aliases", unquote(content.at("aliases")) }
|
|
});
|
|
}
|
|
else if(type == "m.room.create")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "creator", unquote(content.at("creator")) }
|
|
});
|
|
}
|
|
else if(type == "m.room.history_visibility")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "history_visibility", unquote(content.at("history_visibility")) }
|
|
});
|
|
}
|
|
else if(type == "m.room.join_rules")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "join_rule", unquote(content.at("join_rule")) }
|
|
});
|
|
}
|
|
else if(type == "m.room.member")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "membership", unquote(content.at("membership")) }
|
|
});
|
|
}
|
|
else if(type == "m.room.power_levels")
|
|
{
|
|
content = json::stringify(essential, json::members
|
|
{
|
|
{ "ban", unquote(content.at("ban")) },
|
|
{ "events", unquote(content.at("events")) },
|
|
{ "events_default", unquote(content.at("events_default")) },
|
|
{ "kick", unquote(content.at("kick")) },
|
|
{ "redact", unquote(content.at("redact")) },
|
|
{ "state_default", unquote(content.at("state_default")) },
|
|
{ "users", unquote(content.at("users")) },
|
|
{ "users_default", unquote(content.at("users_default")) },
|
|
});
|
|
}
|
|
else if(type == "m.room.redaction")
|
|
{
|
|
json::get<"redacts"_>(event) = string_view{};
|
|
content = "{}"_sv;
|
|
}
|
|
else
|
|
{
|
|
content = "{}"_sv;
|
|
}
|
|
|
|
json::get<"signatures"_>(event) = {};
|
|
return event;
|
|
}
|
|
|
|
//
|
|
// event::prev
|
|
//
|
|
|
|
bool
|
|
ircd::m::event::prev::prev_events_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"prev_events"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::prev::prev_states_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"prev_state"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::prev::auth_events_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"auth_events"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::prev_events_count()
|
|
const
|
|
{
|
|
return json::get<"prev_events"_>(*this).count();
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::prev_states_count()
|
|
const
|
|
{
|
|
return json::get<"prev_state"_>(*this).count();
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::auth_events_count()
|
|
const
|
|
{
|
|
return json::get<"auth_events"_>(*this).count();
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::auth_event(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(auth_events(idx));
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::prev_state(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(prev_states(idx));
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::prev_event(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(prev_events(idx));
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::auth_events(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &auth_event
|
|
{
|
|
at<"auth_events"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(auth_event.at(0)), unquote(auth_event[1])
|
|
};
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::prev_states(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &state_event
|
|
{
|
|
at<"prev_state"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(state_event.at(0)), unquote(state_event[1])
|
|
};
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::prev_events(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &prev_event
|
|
{
|
|
at<"prev_events"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(prev_event.at(0)), unquote(prev_event[1])
|
|
};
|
|
}
|
|
|
|
//
|
|
// event::fetch
|
|
//
|
|
|
|
decltype(ircd::m::event::fetch::default_opts)
|
|
ircd::m::event::fetch::default_opts
|
|
{};
|
|
|
|
void
|
|
ircd::m::prefetch(const event::id &event_id,
|
|
const event::fetch::opts &opts)
|
|
{
|
|
prefetch(index(event_id), opts);
|
|
}
|
|
|
|
void
|
|
ircd::m::prefetch(const event::id &event_id,
|
|
const string_view &key)
|
|
{
|
|
prefetch(index(event_id), key);
|
|
}
|
|
|
|
void
|
|
ircd::m::prefetch(const event::idx &event_idx,
|
|
const event::fetch::opts &opts)
|
|
{
|
|
const vector_view<const string_view> cols
|
|
{
|
|
opts.keys
|
|
};
|
|
|
|
for(const auto &col : cols)
|
|
if(col)
|
|
prefetch(event_idx, col);
|
|
}
|
|
|
|
void
|
|
ircd::m::prefetch(const event::idx &event_idx,
|
|
const string_view &key)
|
|
{
|
|
const auto &column_idx
|
|
{
|
|
json::indexof<event>(key)
|
|
};
|
|
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(column_idx)
|
|
};
|
|
|
|
db::prefetch(column, byte_view<string_view>{event_idx});
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const auto &ret
|
|
{
|
|
get(std::nothrow, index(event_id), key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const const_buffer ret
|
|
{
|
|
get(std::nothrow, event_idx, key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
return get(std::nothrow, index(event_id), key, buf);
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
const_buffer ret;
|
|
get(std::nothrow, event_idx, key, [&buf, &ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = { data(buf), copy(buf, value) };
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, index(event_id), key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, event_idx, key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
return get(std::nothrow, index(event_id), key, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
const auto &column_idx
|
|
{
|
|
json::indexof<event>(key)
|
|
};
|
|
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(column_idx)
|
|
};
|
|
|
|
return column(byte_view<string_view>{event_idx}, std::nothrow, closure);
|
|
}
|
|
|
|
void
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::id &event_id)
|
|
{
|
|
if(!seek(fetch, event_id, std::nothrow))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s not found in database", event_id
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::id &event_id,
|
|
std::nothrow_t)
|
|
{
|
|
const auto &event_idx
|
|
{
|
|
index(event_id, std::nothrow)
|
|
};
|
|
|
|
return seek(fetch, event_idx, std::nothrow);
|
|
}
|
|
|
|
void
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::idx &event_idx)
|
|
{
|
|
if(!seek(fetch, event_idx, std::nothrow))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%lu not found in database", event_idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::idx &event_idx,
|
|
std::nothrow_t)
|
|
{
|
|
const string_view &key
|
|
{
|
|
byte_view<string_view>(event_idx)
|
|
};
|
|
|
|
db::seek(fetch.row, key);
|
|
fetch.valid = fetch.row.valid(key);
|
|
if(!fetch.valid)
|
|
return false;
|
|
|
|
auto &event{static_cast<m::event &>(fetch)};
|
|
assign(event, fetch.row, key);
|
|
return true;
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event &event)
|
|
try
|
|
{
|
|
return index(at<"event_id"_>(event));
|
|
}
|
|
catch(const json::not_found &)
|
|
{
|
|
throw m::NOT_FOUND
|
|
{
|
|
"Cannot find index for event without an event_id."
|
|
};
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event &event,
|
|
std::nothrow_t)
|
|
try
|
|
{
|
|
return index(at<"event_id"_>(event), std::nothrow);
|
|
}
|
|
catch(const json::not_found &)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event::id &event_id)
|
|
{
|
|
const auto ret
|
|
{
|
|
index(event_id, std::nothrow)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"no index found for %s",
|
|
string_view{event_id}
|
|
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event::id &event_id,
|
|
std::nothrow_t)
|
|
{
|
|
event::idx ret{0};
|
|
index(event_id, std::nothrow, [&ret]
|
|
(const event::idx &event_idx)
|
|
{
|
|
ret = event_idx;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::index(const event::id &event_id,
|
|
std::nothrow_t,
|
|
const event::closure_idx &closure)
|
|
{
|
|
auto &column
|
|
{
|
|
dbs::event_idx
|
|
};
|
|
|
|
return column(event_id, std::nothrow, [&closure]
|
|
(const string_view &value)
|
|
{
|
|
const event::idx &event_idx
|
|
{
|
|
byte_view<event::idx>(value)
|
|
};
|
|
|
|
closure(event_idx);
|
|
});
|
|
}
|
|
|
|
void
|
|
ircd::m::event::fetch::event_id(const idx &idx,
|
|
const id::closure &closure)
|
|
{
|
|
if(!get(std::nothrow, idx, "event_id", closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%lu not found in database", idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::fetch::event_id(const idx &idx,
|
|
std::nothrow_t,
|
|
const id::closure &closure)
|
|
{
|
|
return get(std::nothrow, idx, "event_id", closure);
|
|
}
|
|
|
|
/// Seekless constructor.
|
|
ircd::m::event::fetch::fetch(const opts *const &opts)
|
|
:row
|
|
{
|
|
*dbs::events,
|
|
string_view{},
|
|
opts? opts->keys : default_opts.keys,
|
|
cell,
|
|
opts? opts->gopts : default_opts.gopts
|
|
}
|
|
,valid
|
|
{
|
|
false
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seek to event_id and populate this event from database.
|
|
/// Throws if event not in database.
|
|
ircd::m::event::fetch::fetch(const event::id &event_id,
|
|
const opts *const &opts)
|
|
:fetch
|
|
{
|
|
index(event_id), opts
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seek to event_id and populate this event from database.
|
|
/// Event is not populated if not found in database.
|
|
ircd::m::event::fetch::fetch(const event::id &event_id,
|
|
std::nothrow_t,
|
|
const opts *const &opts)
|
|
:fetch
|
|
{
|
|
index(event_id, std::nothrow), std::nothrow, opts
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seek to event_idx and populate this event from database.
|
|
/// Throws if event not in database.
|
|
ircd::m::event::fetch::fetch(const event::idx &event_idx,
|
|
const opts *const &opts)
|
|
:fetch
|
|
{
|
|
event_idx, std::nothrow, opts
|
|
}
|
|
{
|
|
if(!valid)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"idx %zu not found in database", event_idx
|
|
};
|
|
}
|
|
|
|
/// Seek to event_idx and populate this event from database.
|
|
/// Event is not populated if not found in database.
|
|
ircd::m::event::fetch::fetch(const event::idx &event_idx,
|
|
std::nothrow_t,
|
|
const opts *const &opts)
|
|
:row
|
|
{
|
|
*dbs::events,
|
|
byte_view<string_view>{event_idx},
|
|
opts? opts->keys : default_opts.keys,
|
|
cell,
|
|
opts? opts->gopts : default_opts.gopts
|
|
}
|
|
,valid
|
|
{
|
|
row.valid(byte_view<string_view>{event_idx})
|
|
}
|
|
{
|
|
if(valid)
|
|
assign(*this, row, byte_view<string_view>{event_idx});
|
|
}
|
|
|
|
//
|
|
// event::fetch::opts
|
|
//
|
|
|
|
ircd::m::event::fetch::opts::opts(const db::gopts &gopts,
|
|
const event::keys::selection &selection)
|
|
:opts
|
|
{
|
|
selection, gopts
|
|
}
|
|
{
|
|
}
|
|
|
|
ircd::m::event::fetch::opts::opts(const event::keys::selection &selection,
|
|
const db::gopts &gopts)
|
|
:opts
|
|
{
|
|
event::keys{selection}, gopts
|
|
}
|
|
{
|
|
}
|
|
|
|
ircd::m::event::fetch::opts::opts(const event::keys &keys,
|
|
const db::gopts &gopts)
|
|
:keys{keys}
|
|
,gopts{gopts}
|
|
{
|
|
}
|
|
|
|
//
|
|
// event::conforms
|
|
//
|
|
|
|
namespace ircd::m
|
|
{
|
|
const size_t event_conforms_num{num_of<event::conforms::code>()};
|
|
extern const std::array<string_view, event_conforms_num> event_conforms_reflects;
|
|
}
|
|
|
|
decltype(ircd::m::event_conforms_reflects)
|
|
ircd::m::event_conforms_reflects
|
|
{
|
|
"INVALID_OR_MISSING_EVENT_ID",
|
|
"INVALID_OR_MISSING_ROOM_ID",
|
|
"INVALID_OR_MISSING_SENDER_ID",
|
|
"MISSING_TYPE",
|
|
"MISSING_ORIGIN",
|
|
"INVALID_ORIGIN",
|
|
"INVALID_OR_MISSING_REDACTS_ID",
|
|
"MISSING_MEMBERSHIP",
|
|
"INVALID_MEMBERSHIP",
|
|
"MISSING_CONTENT_MEMBERSHIP",
|
|
"INVALID_CONTENT_MEMBERSHIP",
|
|
"MISSING_PREV_EVENTS",
|
|
"MISSING_PREV_STATE",
|
|
"DEPTH_NEGATIVE",
|
|
"DEPTH_ZERO",
|
|
"MISSING_SIGNATURES",
|
|
"MISSING_ORIGIN_SIGNATURE",
|
|
"MISMATCH_ORIGIN_SENDER",
|
|
"MISMATCH_ORIGIN_EVENT_ID",
|
|
"SELF_REDACTS",
|
|
"SELF_PREV_EVENT",
|
|
"SELF_PREV_STATE",
|
|
"DUP_PREV_EVENT",
|
|
"DUP_PREV_STATE",
|
|
};
|
|
|
|
std::ostream &
|
|
ircd::m::operator<<(std::ostream &s, const event::conforms &conforms)
|
|
{
|
|
thread_local char buf[1024];
|
|
s << conforms.string(buf);
|
|
return s;
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::reflect(const event::conforms::code &code)
|
|
try
|
|
{
|
|
return event_conforms_reflects.at(code);
|
|
}
|
|
catch(const std::out_of_range &e)
|
|
{
|
|
return "??????"_sv;
|
|
}
|
|
|
|
ircd::m::event::conforms::code
|
|
ircd::m::event::conforms::reflect(const string_view &name)
|
|
{
|
|
const auto it
|
|
{
|
|
std::find(begin(event_conforms_reflects), end(event_conforms_reflects), name)
|
|
};
|
|
|
|
if(it == end(event_conforms_reflects))
|
|
throw std::out_of_range
|
|
{
|
|
"There is no event::conforms code by that name."
|
|
};
|
|
|
|
return code(std::distance(begin(event_conforms_reflects), it));
|
|
}
|
|
|
|
ircd::m::event::conforms::conforms(const event &e,
|
|
const uint64_t &skip)
|
|
:conforms{e}
|
|
{
|
|
report &= ~skip;
|
|
}
|
|
|
|
ircd::m::event::conforms::conforms(const event &e)
|
|
:report{0}
|
|
{
|
|
if(!valid(m::id::EVENT, json::get<"event_id"_>(e)))
|
|
set(INVALID_OR_MISSING_EVENT_ID);
|
|
|
|
if(!valid(m::id::ROOM, json::get<"room_id"_>(e)))
|
|
set(INVALID_OR_MISSING_ROOM_ID);
|
|
|
|
if(!valid(m::id::USER, json::get<"sender"_>(e)))
|
|
set(INVALID_OR_MISSING_SENDER_ID);
|
|
|
|
if(empty(json::get<"type"_>(e)))
|
|
set(MISSING_TYPE);
|
|
|
|
if(empty(json::get<"origin"_>(e)))
|
|
set(MISSING_ORIGIN);
|
|
|
|
//TODO: XXX
|
|
if(false)
|
|
set(INVALID_ORIGIN);
|
|
|
|
if(empty(json::get<"signatures"_>(e)))
|
|
set(MISSING_SIGNATURES);
|
|
|
|
if(empty(json::object{json::get<"signatures"_>(e).get(json::get<"origin"_>(e))}))
|
|
set(MISSING_ORIGIN_SIGNATURE);
|
|
|
|
if(!has(INVALID_OR_MISSING_SENDER_ID))
|
|
if(json::get<"origin"_>(e) != m::id::user{json::get<"sender"_>(e)}.host())
|
|
set(MISMATCH_ORIGIN_SENDER);
|
|
|
|
if(!has(INVALID_OR_MISSING_EVENT_ID))
|
|
if(json::get<"origin"_>(e) != m::id::event{json::get<"event_id"_>(e)}.host())
|
|
set(MISMATCH_ORIGIN_EVENT_ID);
|
|
|
|
if(json::get<"type"_>(e) == "m.room.redaction")
|
|
if(!valid(m::id::EVENT, json::get<"redacts"_>(e)))
|
|
set(INVALID_OR_MISSING_REDACTS_ID);
|
|
|
|
if(json::get<"redacts"_>(e))
|
|
if(json::get<"redacts"_>(e) == json::get<"event_id"_>(e))
|
|
set(SELF_REDACTS);
|
|
|
|
if(json::get<"type"_>(e) == "m.room.member")
|
|
if(empty(json::get<"membership"_>(e)))
|
|
set(MISSING_MEMBERSHIP);
|
|
|
|
if(json::get<"type"_>(e) == "m.room.member")
|
|
if(!all_of<std::islower>(json::get<"membership"_>(e)))
|
|
set(INVALID_MEMBERSHIP);
|
|
|
|
if(json::get<"type"_>(e) == "m.room.member")
|
|
if(empty(unquote(json::get<"content"_>(e).get("membership"))))
|
|
set(MISSING_CONTENT_MEMBERSHIP);
|
|
|
|
if(json::get<"type"_>(e) == "m.room.member")
|
|
if(!all_of<std::islower>(unquote(json::get<"content"_>(e).get("membership"))))
|
|
set(INVALID_CONTENT_MEMBERSHIP);
|
|
|
|
if(json::get<"type"_>(e) != "m.room.create")
|
|
if(empty(json::get<"prev_events"_>(e)))
|
|
set(MISSING_PREV_EVENTS);
|
|
|
|
/*
|
|
if(json::get<"type"_>(e) != "m.room.create")
|
|
if(!empty(json::get<"state_key"_>(e)))
|
|
if(empty(json::get<"prev_state"_>(e)))
|
|
set(MISSING_PREV_STATE);
|
|
*/
|
|
|
|
if(json::get<"depth"_>(e) != json::undefined_number && json::get<"depth"_>(e) < 0)
|
|
set(DEPTH_NEGATIVE);
|
|
|
|
if(json::get<"type"_>(e) != "m.room.create")
|
|
if(json::get<"depth"_>(e) == 0)
|
|
set(DEPTH_ZERO);
|
|
|
|
const prev p{e};
|
|
size_t i{0}, j{0};
|
|
for(const json::array &pe : json::get<"prev_events"_>(p))
|
|
{
|
|
if(unquote(pe.at(0)) == json::get<"event_id"_>(e))
|
|
set(SELF_PREV_EVENT);
|
|
|
|
j = 0;
|
|
for(const json::array &pe_ : json::get<"prev_events"_>(p))
|
|
if(i != j++)
|
|
if(pe_.at(0) == pe.at(0))
|
|
set(DUP_PREV_EVENT);
|
|
|
|
++i;
|
|
}
|
|
|
|
i = 0;
|
|
for(const json::array &ps : json::get<"prev_state"_>(p))
|
|
{
|
|
if(unquote(ps.at(0)) == json::get<"event_id"_>(e))
|
|
set(SELF_PREV_STATE);
|
|
|
|
j = 0;
|
|
for(const json::array &ps_ : json::get<"prev_state"_>(p))
|
|
if(i != j++)
|
|
if(ps_.at(0) == ps.at(0))
|
|
set(DUP_PREV_STATE);
|
|
|
|
++i;
|
|
}
|
|
}
|
|
|
|
void
|
|
ircd::m::event::conforms::operator|=(const code &code)
|
|
&
|
|
{
|
|
set(code);
|
|
}
|
|
|
|
void
|
|
ircd::m::event::conforms::del(const code &code)
|
|
{
|
|
report &= ~(1UL << code);
|
|
}
|
|
|
|
void
|
|
ircd::m::event::conforms::set(const code &code)
|
|
{
|
|
report |= (1UL << code);
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::event::conforms::string(const mutable_buffer &out)
|
|
const
|
|
{
|
|
mutable_buffer buf{out};
|
|
for(uint64_t i(0); i < num_of<code>(); ++i)
|
|
{
|
|
if(!has(code(i)))
|
|
continue;
|
|
|
|
if(begin(buf) != begin(out))
|
|
consume(buf, copy(buf, " "_sv));
|
|
|
|
consume(buf, copy(buf, m::reflect(code(i))));
|
|
}
|
|
|
|
return { data(out), begin(buf) };
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::conforms::has(const code &code)
|
|
const
|
|
{
|
|
return report & (1UL << code);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::conforms::has(const uint &code)
|
|
const
|
|
{
|
|
return (report & (1UL << code)) == code;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::conforms::operator!()
|
|
const
|
|
{
|
|
return clean();
|
|
}
|
|
|
|
ircd::m::event::conforms::operator bool()
|
|
const
|
|
{
|
|
return !clean();
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::conforms::clean()
|
|
const
|
|
{
|
|
return report == 0;
|
|
}
|