mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 02:48:58 +01:00
2460 lines
45 KiB
C++
2460 lines
45 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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int64_t
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ircd::m::depth(const id::room &room_id)
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{
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return std::get<int64_t>(top(room_id));
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}
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int64_t
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ircd::m::depth(std::nothrow_t,
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const id::room &room_id)
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{
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const auto it
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{
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dbs::room_events.begin(room_id)
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};
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if(!it)
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return -1;
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const auto part
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{
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dbs::room_events_key(it->first)
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};
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return std::get<0>(part);
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}
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ircd::m::event::idx
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ircd::m::head_idx(const id::room &room_id)
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{
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return std::get<event::idx>(top(room_id));
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}
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ircd::m::event::idx
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ircd::m::head_idx(std::nothrow_t,
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const id::room &room_id)
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{
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const auto it
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{
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dbs::room_events.begin(room_id)
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};
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if(!it)
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return 0;
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const auto part
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{
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dbs::room_events_key(it->first)
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};
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return std::get<1>(part);
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}
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ircd::m::event::id::buf
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ircd::m::head(const id::room &room_id)
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{
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return std::get<event::id::buf>(top(room_id));
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}
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ircd::m::event::id::buf
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ircd::m::head(std::nothrow_t,
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const id::room &room_id)
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{
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return std::get<event::id::buf>(top(std::nothrow, room_id));
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}
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std::tuple<ircd::m::event::id::buf, int64_t, ircd::m::event::idx>
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ircd::m::top(const id::room &room_id)
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{
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const auto ret
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{
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top(std::nothrow, room_id)
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};
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if(std::get<int64_t>(ret) == -1)
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throw m::NOT_FOUND
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{
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"No head for room %s", string_view{room_id}
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};
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return ret;
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}
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std::tuple<ircd::m::event::id::buf, int64_t, ircd::m::event::idx>
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ircd::m::top(std::nothrow_t,
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const id::room &room_id)
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{
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const auto it
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{
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dbs::room_events.begin(room_id)
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};
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if(!it)
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return
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{
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event::id::buf{}, -1, 0
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};
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const auto part
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{
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dbs::room_events_key(it->first)
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};
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const int64_t &depth
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{
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int64_t(std::get<0>(part))
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};
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const event::idx &event_idx
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{
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std::get<1>(part)
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};
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std::tuple<event::id::buf, int64_t, event::idx> ret
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{
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event::id::buf{}, depth, event_idx
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};
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event::fetch::event_id(event_idx, std::nothrow, [&ret]
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(const event::id &event_id)
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{
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std::get<event::id::buf>(ret) = event_id;
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});
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return ret;
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}
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uint
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ircd::m::version(const id::room &room_id)
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{
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static const m::event::fetch::opts fopts
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{
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event::keys::include
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{
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"content",
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}
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};
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const m::room::state state
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{
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room_id, &fopts
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};
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uint ret;
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state.get("m.room.create", "", [&ret]
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(const m::event &event)
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{
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const auto version_string
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{
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unquote(json::get<"content"_>(event).get("version", "1"))
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};
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ret = version_string?
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lex_cast<uint>(version_string):
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1;
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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::creator(const id::room &room_id,
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const id::user &user_id)
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{
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const auto creator_user_id
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{
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creator(room_id)
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};
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return creator_user_id == user_id;
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}
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ircd::m::id::user::buf
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ircd::m::creator(const id::room &room_id)
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{
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// Query the sender field of the event to get the creator. This is for
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// future compatibility if the content.creator field gets eliminated.
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static const event::fetch::opts fopts
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{
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event::keys::include
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{
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"sender",
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}
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};
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const room::state state
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{
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room_id, &fopts
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};
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id::user::buf ret;
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state.get("m.room.create", "", [&ret]
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(const m::event &event)
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{
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ret = user::id
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{
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json::get<"sender"_>(event)
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};
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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::federate(const id::room &room_id)
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{
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static const m::event::fetch::opts fopts
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{
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event::keys::include
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{
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"content",
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}
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};
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const m::room::state state
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{
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room_id, &fopts
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};
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bool ret;
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state.get("m.room.create", "", [&ret]
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(const m::event &event)
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{
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ret = json::get<"content"_>(event).get("m.federate", true);
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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::exists(const id::room &room_id)
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{
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const auto it
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{
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dbs::room_events.begin(room_id)
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};
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return bool(it);
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}
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bool
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ircd::m::exists(const room &room)
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{
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return exists(room.room_id);
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}
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bool
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ircd::m::my(const room &room)
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{
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return my(room.room_id);
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}
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//
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// room
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//
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/// Test of the join_rule of the room is the argument.
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bool
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ircd::m::room::join_rule(const string_view &rule)
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const
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{
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char buf[32];
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return join_rule(mutable_buffer{buf}) == rule;
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}
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/// Receive the join_rule of the room into buffer of sufficient size.
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/// The protocol does not specify a join_rule string longer than 7
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/// characters but do be considerate of the future. This function
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/// properly defaults the string as per the protocol spec.
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ircd::string_view
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ircd::m::room::join_rule(const mutable_buffer &out)
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const
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{
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static const string_view default_join_rule
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{
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"invite"
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};
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string_view ret
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{
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default_join_rule
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};
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const event::keys::include keys
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{
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"content"
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};
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const m::event::fetch::opts fopts
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{
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keys, this->fopts? this->fopts->gopts : db::gopts{}
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};
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const room::state state
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{
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*this, &fopts
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};
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state.get(std::nothrow, "m.room.join_rules", "", [&ret, &out]
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(const m::event &event)
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{
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const auto &content
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{
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json::get<"content"_>(event)
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};
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const string_view &rule
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{
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content.get("join_rule", default_join_rule)
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};
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ret = string_view
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{
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data(out), copy(out, unquote(rule))
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};
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});
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return ret;
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}
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/// The only joined members are from our origin (local only). This indicates
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/// we won't have any other federation servers to query for room data, nor do
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/// we need to broadcast events to the federation. This is not an authority
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/// about a room's type or ability to federate. Returned value changes to false
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/// when another origin joins.
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bool
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ircd::m::room::lonly()
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const
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{
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const origins origins(*this);
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return origins.only(my_host());
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}
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bool
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ircd::m::room::visible(const string_view &mxid,
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const event *const &event)
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const
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{
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if(event)
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return m::visible(*event, mxid);
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const m::event event_
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{
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{ "event_id", event_id },
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{ "room_id", room_id },
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};
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return m::visible(event_, mxid);
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}
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bool
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ircd::m::room::membership(const m::id::user &user_id,
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const string_view &membership)
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const
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{
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char buf[64];
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return this->membership(buf, user_id) == membership;
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}
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ircd::string_view
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ircd::m::room::membership(const mutable_buffer &out,
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const m::id::user &user_id)
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const
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{
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static const event::keys membership_keys
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{
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event::keys::include{"membership"}
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};
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// Since this is a member function of m::room there might be a supplied
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// fopts. Whatever keys it has are irrelevant, but we can preserve gopts.
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const m::event::fetch::opts fopts
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{
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membership_keys, this->fopts? this->fopts->gopts : db::gopts{}
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};
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string_view ret;
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const auto result_closure{[&out, &ret]
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(const m::event &event)
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{
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ret =
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{
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data(out), copy(out, m::membership(event))
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};
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}};
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const room::state state{*this, &fopts};
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const bool exists
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{
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state.get(std::nothrow, "m.room.member"_sv, user_id, result_closure)
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};
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// This branch is taken when the event exists but the event.membership had
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// no value. Due to wanton protocol violations event.membership may be
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// jsundefined and only event.content.membership will exist in event. This
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// is a rare case so both queries are optimized to only seek for their key.
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if(exists && !ret)
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{
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static const event::keys content_membership_keys
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{
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event::keys::include{"content"}
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};
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const m::event::fetch::opts fopts
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{
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content_membership_keys, this->fopts? this->fopts->gopts : db::gopts{}
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};
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const room::state state{*this, &fopts};
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state.get(std::nothrow, "m.room.member"_sv, user_id, result_closure);
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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::room::has(const string_view &type)
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const
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{
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return get(std::nothrow, type, nullptr);
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}
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void
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ircd::m::room::get(const string_view &type,
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const event::closure &closure)
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const
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{
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if(!get(std::nothrow, type, closure))
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throw m::NOT_FOUND
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{
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"No events of type '%s' found in '%s'",
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type,
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room_id
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};
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}
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bool
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ircd::m::room::get(std::nothrow_t,
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const string_view &type,
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const event::closure &closure)
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const
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{
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bool ret{false};
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for_each(type, event::closure_bool{[&ret, &closure]
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(const event &event)
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{
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if(closure)
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closure(event);
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ret = true;
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return false;
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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::room::get(const string_view &type,
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const string_view &state_key,
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const event::closure &closure)
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const
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{
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const state state{*this};
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state.get(type, state_key, closure);
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}
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bool
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ircd::m::room::get(std::nothrow_t,
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const string_view &type,
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const string_view &state_key,
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const event::closure &closure)
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const
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{
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const state state{*this};
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return state.get(std::nothrow, type, state_key, closure);
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}
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bool
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ircd::m::room::has(const string_view &type,
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const string_view &state_key)
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const
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{
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const state state{*this};
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return state.has(type, state_key);
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}
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void
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ircd::m::room::for_each(const event::closure &closure)
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const
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{
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for_each(string_view{}, closure);
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}
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bool
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ircd::m::room::for_each(const event::closure_bool &closure)
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const
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{
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return for_each(string_view{}, closure);
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}
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void
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ircd::m::room::for_each(const event::id::closure &closure)
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const
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{
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for_each(string_view{}, closure);
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}
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bool
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ircd::m::room::for_each(const event::id::closure_bool &closure)
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const
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{
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return for_each(string_view{}, closure);
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}
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void
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ircd::m::room::for_each(const event::closure_idx &closure)
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const
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{
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for_each(string_view{}, closure);
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}
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bool
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ircd::m::room::for_each(const event::closure_idx_bool &closure)
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const
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{
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return for_each(string_view{}, closure);
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}
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void
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ircd::m::room::for_each(const string_view &type,
|
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const event::closure &closure)
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const
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{
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for_each(type, event::closure_bool{[&closure]
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(const event &event)
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{
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closure(event);
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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::room::for_each(const string_view &type,
|
|
const event::closure_bool &closure)
|
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const
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{
|
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event::fetch event
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{
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fopts
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};
|
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return for_each(type, event::closure_idx_bool{[&closure, &event]
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(const event::idx &event_idx)
|
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{
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if(!seek(event, event_idx, std::nothrow))
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return true;
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return closure(event);
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}});
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}
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|
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void
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ircd::m::room::for_each(const string_view &type,
|
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const event::id::closure &closure)
|
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const
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{
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for_each(type, 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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|
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bool
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ircd::m::room::for_each(const string_view &type,
|
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const event::id::closure_bool &closure)
|
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const
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{
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return for_each(type, event::closure_idx_bool{[&closure]
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|
(const event::idx &idx)
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|
{
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bool ret{true};
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event::fetch::event_id(idx, std::nothrow, [&ret, &closure]
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(const event::id &event_id)
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|
{
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ret = closure(event_id);
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});
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return ret;
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}});
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}
|
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|
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void
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ircd::m::room::for_each(const string_view &type,
|
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const event::closure_idx &closure)
|
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const
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{
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for_each(type, event::closure_idx_bool{[&closure]
|
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(const event::idx &idx)
|
|
{
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closure(idx);
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return true;
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}});
|
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}
|
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|
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bool
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ircd::m::room::for_each(const string_view &type,
|
|
const event::closure_idx_bool &closure)
|
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const
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|
{
|
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static constexpr auto idx
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{
|
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json::indexof<event, "type"_>()
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|
};
|
|
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(idx)
|
|
};
|
|
|
|
messages it{*this};
|
|
for(; it; --it)
|
|
{
|
|
const auto &event_idx
|
|
{
|
|
it.event_idx()
|
|
};
|
|
|
|
bool match
|
|
{
|
|
empty(type) // allow empty type to always match and bypass query
|
|
};
|
|
|
|
if(!match)
|
|
column(byte_view<string_view>(event_idx), std::nothrow, [&match, &type]
|
|
(const string_view &value)
|
|
{
|
|
match = value == type;
|
|
});
|
|
|
|
if(match)
|
|
if(!closure(event_idx))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// room::messages
|
|
//
|
|
|
|
ircd::m::room::messages::messages(const m::room &room,
|
|
const event::fetch::opts *const &fopts)
|
|
:room{room}
|
|
,_event
|
|
{
|
|
fopts?
|
|
fopts:
|
|
room.fopts
|
|
}
|
|
{
|
|
if(room.event_id)
|
|
seek(room.event_id);
|
|
else
|
|
seek();
|
|
}
|
|
|
|
ircd::m::room::messages::messages(const m::room &room,
|
|
const event::id &event_id,
|
|
const event::fetch::opts *const &fopts)
|
|
:room{room}
|
|
,_event
|
|
{
|
|
fopts?
|
|
fopts:
|
|
room.fopts
|
|
}
|
|
{
|
|
seek(event_id);
|
|
}
|
|
|
|
ircd::m::room::messages::messages(const m::room &room,
|
|
const uint64_t &depth,
|
|
const event::fetch::opts *const &fopts)
|
|
:room{room}
|
|
,_event
|
|
{
|
|
fopts? fopts : room.fopts
|
|
}
|
|
{
|
|
seek(depth);
|
|
}
|
|
|
|
const ircd::m::event &
|
|
ircd::m::room::messages::operator*()
|
|
{
|
|
return fetch(std::nothrow);
|
|
};
|
|
|
|
bool
|
|
ircd::m::room::messages::seek()
|
|
{
|
|
this->it = dbs::room_events.begin(room.room_id);
|
|
return bool(*this);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::messages::seek(const event::id &event_id)
|
|
try
|
|
{
|
|
const event::idx &event_idx
|
|
{
|
|
index(event_id)
|
|
};
|
|
|
|
return seek_idx(event_idx);
|
|
}
|
|
catch(const db::not_found &e)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::messages::seek(const uint64_t &depth)
|
|
{
|
|
char buf[dbs::ROOM_EVENTS_KEY_MAX_SIZE];
|
|
const auto seek_key
|
|
{
|
|
dbs::room_events_key(buf, room.room_id, depth)
|
|
};
|
|
|
|
this->it = dbs::room_events.begin(seek_key);
|
|
return bool(*this);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::messages::seek_idx(const event::idx &event_idx)
|
|
try
|
|
{
|
|
uint64_t depth;
|
|
m::get(event_idx, "depth", mutable_buffer
|
|
{
|
|
reinterpret_cast<char *>(&depth), sizeof(depth)
|
|
});
|
|
|
|
char buf[dbs::ROOM_EVENTS_KEY_MAX_SIZE];
|
|
const auto &seek_key
|
|
{
|
|
dbs::room_events_key(buf, room.room_id, depth, event_idx)
|
|
};
|
|
|
|
this->it = dbs::room_events.begin(seek_key);
|
|
if(!bool(*this))
|
|
return false;
|
|
|
|
// Check if this event_idx is actually in this room
|
|
if(event_idx != this->event_idx())
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
catch(const db::not_found &e)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ircd::m::event::id::buf
|
|
ircd::m::room::messages::event_id()
|
|
const
|
|
{
|
|
event::id::buf ret;
|
|
event::fetch::event_id(this->event_idx(), [&ret]
|
|
(const event::id &event_id)
|
|
{
|
|
ret = event_id;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::room::messages::state_root()
|
|
const
|
|
{
|
|
assert(bool(*this));
|
|
return it->second;
|
|
}
|
|
|
|
uint64_t
|
|
ircd::m::room::messages::depth()
|
|
const
|
|
{
|
|
assert(bool(*this));
|
|
const auto part
|
|
{
|
|
dbs::room_events_key(it->first)
|
|
};
|
|
|
|
return std::get<0>(part);
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::room::messages::event_idx()
|
|
const
|
|
{
|
|
assert(bool(*this));
|
|
const auto part
|
|
{
|
|
dbs::room_events_key(it->first)
|
|
};
|
|
|
|
return std::get<1>(part);
|
|
}
|
|
|
|
const ircd::m::event &
|
|
ircd::m::room::messages::fetch()
|
|
{
|
|
m::seek(_event, event_idx());
|
|
return _event;
|
|
}
|
|
|
|
const ircd::m::event &
|
|
ircd::m::room::messages::fetch(std::nothrow_t)
|
|
{
|
|
if(!m::seek(_event, event_idx(), std::nothrow))
|
|
_event = m::event::fetch{room.fopts};
|
|
|
|
return _event;
|
|
}
|
|
|
|
//
|
|
// room::state
|
|
//
|
|
|
|
decltype(ircd::m::room::state::disable_history)
|
|
ircd::m::room::state::disable_history
|
|
{
|
|
{ "name", "ircd.m.room.state.disable_history" },
|
|
{ "default", false },
|
|
};
|
|
|
|
decltype(ircd::m::room::state::readahead_size)
|
|
ircd::m::room::state::readahead_size
|
|
{
|
|
{ "name", "ircd.m.room.state.readahead_size" },
|
|
{ "default", 0L },
|
|
};
|
|
|
|
//
|
|
// room::state::state
|
|
//
|
|
|
|
ircd::m::room::state::state(const m::room &room,
|
|
const event::fetch::opts *const &fopts)
|
|
:room_id
|
|
{
|
|
room.room_id
|
|
}
|
|
,event_id
|
|
{
|
|
room.event_id?
|
|
event::id::buf{room.event_id}:
|
|
event::id::buf{}
|
|
}
|
|
,root_id
|
|
{
|
|
event_id && !bool(disable_history)?
|
|
dbs::state_root(root_id_buf, room_id, event_id):
|
|
m::state::id{}
|
|
}
|
|
,fopts
|
|
{
|
|
fopts?
|
|
fopts:
|
|
room.fopts
|
|
}
|
|
{
|
|
}
|
|
|
|
ircd::m::event::id::buf
|
|
ircd::m::room::state::get(const string_view &type,
|
|
const string_view &state_key)
|
|
const
|
|
{
|
|
event::id::buf ret;
|
|
get(type, state_key, event::id::closure{[&ret]
|
|
(const event::id &event_id)
|
|
{
|
|
ret = event_id;
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::id::buf
|
|
ircd::m::room::state::get(std::nothrow_t,
|
|
const string_view &type,
|
|
const string_view &state_key)
|
|
const
|
|
{
|
|
event::id::buf ret;
|
|
get(std::nothrow, type, state_key, event::id::closure{[&ret]
|
|
(const event::id &event_id)
|
|
{
|
|
ret = event_id;
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::get(const string_view &type,
|
|
const string_view &state_key,
|
|
const event::closure &closure)
|
|
const
|
|
{
|
|
get(type, state_key, event::closure_idx{[this, &closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
const event::fetch event
|
|
{
|
|
event_idx, fopts
|
|
};
|
|
|
|
closure(event);
|
|
}});
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::get(const string_view &type,
|
|
const string_view &state_key,
|
|
const event::id::closure &closure)
|
|
const try
|
|
{
|
|
if(!present())
|
|
return m::state::get(root_id, type, state_key, [&closure]
|
|
(const string_view &event_id)
|
|
{
|
|
closure(unquote(event_id));
|
|
});
|
|
|
|
get(type, state_key, event::closure_idx{[&closure]
|
|
(const event::idx &idx)
|
|
{
|
|
event::fetch::event_id(idx, closure);
|
|
}});
|
|
}
|
|
catch(const db::not_found &e)
|
|
{
|
|
throw m::NOT_FOUND
|
|
{
|
|
"(%s,%s) in %s :%s",
|
|
type,
|
|
state_key,
|
|
string_view{room_id},
|
|
e.what()
|
|
};
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::get(const string_view &type,
|
|
const string_view &state_key,
|
|
const event::closure_idx &closure)
|
|
const try
|
|
{
|
|
if(!present())
|
|
m::state::get(root_id, type, state_key, [&closure]
|
|
(const string_view &event_id)
|
|
{
|
|
closure(index(unquote(event_id)));
|
|
});
|
|
|
|
auto &column{dbs::room_state};
|
|
char key[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
column(dbs::room_state_key(key, room_id, type, state_key), [&closure]
|
|
(const string_view &value)
|
|
{
|
|
closure(byte_view<event::idx>(value));
|
|
});
|
|
}
|
|
catch(const db::not_found &e)
|
|
{
|
|
throw m::NOT_FOUND
|
|
{
|
|
"(%s,%s) in %s :%s",
|
|
type,
|
|
state_key,
|
|
string_view{room_id},
|
|
e.what()
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::get(std::nothrow_t,
|
|
const string_view &type,
|
|
const string_view &state_key,
|
|
const event::closure &closure)
|
|
const
|
|
{
|
|
return get(std::nothrow, type, state_key, event::closure_idx{[this, &closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
const event::fetch event
|
|
{
|
|
event_idx, std::nothrow, fopts
|
|
};
|
|
|
|
closure(event);
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::get(std::nothrow_t,
|
|
const string_view &type,
|
|
const string_view &state_key,
|
|
const event::id::closure &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::get(std::nothrow, root_id, type, state_key, [&closure]
|
|
(const string_view &event_id)
|
|
{
|
|
closure(unquote(event_id));
|
|
});
|
|
|
|
return get(std::nothrow, type, state_key, event::closure_idx{[&closure]
|
|
(const event::idx &idx)
|
|
{
|
|
event::fetch::event_id(idx, std::nothrow, closure);
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::get(std::nothrow_t,
|
|
const string_view &type,
|
|
const string_view &state_key,
|
|
const event::closure_idx &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::get(std::nothrow, root_id, type, state_key, [&closure]
|
|
(const string_view &event_id)
|
|
{
|
|
return closure(index(unquote(event_id), std::nothrow));
|
|
});
|
|
|
|
auto &column{dbs::room_state};
|
|
char key[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
return column(dbs::room_state_key(key, room_id, type, state_key), std::nothrow, [&closure]
|
|
(const string_view &value)
|
|
{
|
|
closure(byte_view<event::idx>(value));
|
|
});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::has(const string_view &type)
|
|
const
|
|
{
|
|
return for_each(type, event::id::closure_bool{[](const m::event::id &)
|
|
{
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::has(const string_view &type,
|
|
const string_view &state_key)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::get(std::nothrow, root_id, type, state_key, []
|
|
(const string_view &event_id)
|
|
{});
|
|
|
|
auto &column{dbs::room_state};
|
|
char key[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
return db::has(column, dbs::room_state_key(key, room_id, type, state_key));
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::state::count()
|
|
const
|
|
{
|
|
return count(string_view{});
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::state::count(const string_view &type)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::count(root_id, type);
|
|
|
|
size_t ret{0};
|
|
for_each(type, event::closure_idx{[&ret]
|
|
(const event::idx &event_idx)
|
|
{
|
|
++ret;
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const event::closure &closure)
|
|
const
|
|
{
|
|
for_each(event::closure_bool{[&closure]
|
|
(const m::event &event)
|
|
{
|
|
closure(event);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const event::closure_bool &closure)
|
|
const
|
|
{
|
|
event::fetch event
|
|
{
|
|
fopts
|
|
};
|
|
|
|
return for_each(event::closure_idx_bool{[&event, &closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
if(seek(event, event_idx, std::nothrow))
|
|
if(!closure(event))
|
|
return false;
|
|
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const event::id::closure &closure)
|
|
const
|
|
{
|
|
for_each(event::id::closure_bool{[&closure]
|
|
(const event::id &event_id)
|
|
{
|
|
closure(event_id);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const event::id::closure_bool &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::for_each(root_id, m::state::iter_bool_closure{[&closure]
|
|
(const json::array &key, const string_view &event_id)
|
|
{
|
|
return closure(unquote(event_id));
|
|
}});
|
|
|
|
return for_each(event::closure_idx_bool{[&closure]
|
|
(const event::idx &idx)
|
|
{
|
|
bool ret{true};
|
|
event::fetch::event_id(idx, std::nothrow, [&ret, &closure]
|
|
(const event::id &id)
|
|
{
|
|
ret = closure(id);
|
|
});
|
|
|
|
return ret;
|
|
}});
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const event::closure_idx &closure)
|
|
const
|
|
{
|
|
for_each(event::closure_idx_bool{[&closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
closure(event_idx);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const event::closure_idx_bool &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::for_each(root_id, m::state::iter_bool_closure{[&closure]
|
|
(const json::array &key, const string_view &event_id)
|
|
{
|
|
return closure(index(unquote(event_id), std::nothrow));
|
|
}});
|
|
|
|
db::gopts opts
|
|
{
|
|
this->fopts? this->fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
if(!opts.readahead)
|
|
opts.readahead = size_t(readahead_size);
|
|
|
|
auto &column{dbs::room_state};
|
|
for(auto it{column.begin(room_id, opts)}; bool(it); ++it)
|
|
if(!closure(byte_view<event::idx>(it->second)))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::closure &closure)
|
|
const
|
|
{
|
|
for_each(type, event::closure_bool{[&closure]
|
|
(const m::event &event)
|
|
{
|
|
closure(event);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::closure_bool &closure)
|
|
const
|
|
{
|
|
return type?
|
|
for_each(type, string_view{}, closure):
|
|
for_each(closure);
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::id::closure &closure)
|
|
const
|
|
{
|
|
for_each(type, event::id::closure_bool{[&closure]
|
|
(const event::id &event_id)
|
|
{
|
|
closure(event_id);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::id::closure_bool &closure)
|
|
const
|
|
{
|
|
return type?
|
|
for_each(type, string_view{}, closure):
|
|
for_each(closure);
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::closure_idx &closure)
|
|
const
|
|
{
|
|
for_each(type, event::closure_idx_bool{[&closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
closure(event_idx);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const event::closure_idx_bool &closure)
|
|
const
|
|
{
|
|
return type?
|
|
for_each(type, string_view{}, closure):
|
|
for_each(closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const string_view &state_key_lb,
|
|
const event::closure_bool &closure)
|
|
const
|
|
{
|
|
event::fetch event
|
|
{
|
|
fopts
|
|
};
|
|
|
|
return for_each(type, state_key_lb, event::closure_idx_bool{[&event, &closure]
|
|
(const event::idx &event_idx)
|
|
{
|
|
if(seek(event, event_idx, std::nothrow))
|
|
if(!closure(event))
|
|
return false;
|
|
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const string_view &state_key_lb,
|
|
const event::id::closure_bool &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::for_each(root_id, type, state_key_lb, [&closure]
|
|
(const json::array &key, const string_view &event_id)
|
|
{
|
|
return closure(unquote(event_id));
|
|
});
|
|
|
|
return for_each(type, state_key_lb, event::closure_idx_bool{[&closure]
|
|
(const event::idx &idx)
|
|
{
|
|
bool ret{true};
|
|
event::fetch::event_id(idx, std::nothrow, [&ret, &closure]
|
|
(const event::id &id)
|
|
{
|
|
ret = closure(id);
|
|
});
|
|
|
|
return ret;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const string_view &state_key_lb,
|
|
const event::closure_idx_bool &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::for_each(root_id, type, state_key_lb, [&closure]
|
|
(const json::array &key, const string_view &event_id)
|
|
{
|
|
return closure(index(unquote(event_id), std::nothrow));
|
|
});
|
|
|
|
char keybuf[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
const auto &key
|
|
{
|
|
dbs::room_state_key(keybuf, room_id, type, state_key_lb)
|
|
};
|
|
|
|
db::gopts opts
|
|
{
|
|
this->fopts? this->fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
if(!opts.readahead)
|
|
opts.readahead = size_t(readahead_size);
|
|
|
|
auto &column{dbs::room_state};
|
|
for(auto it{column.begin(key, opts)}; bool(it); ++it)
|
|
if(std::get<0>(dbs::room_state_key(it->first)) == type)
|
|
{
|
|
if(!closure(byte_view<event::idx>(it->second)))
|
|
return false;
|
|
}
|
|
else break;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const keys &closure)
|
|
const
|
|
{
|
|
for_each(type, keys_bool{[&closure]
|
|
(const string_view &key)
|
|
{
|
|
closure(key);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const keys_bool &closure)
|
|
const
|
|
{
|
|
return for_each(type, string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const string_view &type,
|
|
const string_view &state_key_lb,
|
|
const keys_bool &closure)
|
|
const
|
|
{
|
|
if(!present())
|
|
return m::state::for_each(root_id, type, state_key_lb, [&closure]
|
|
(const json::array &key, const string_view &event_id)
|
|
{
|
|
assert(size(key) >= 2);
|
|
return closure(unquote(key.at(1)));
|
|
});
|
|
|
|
char keybuf[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
const auto &key
|
|
{
|
|
dbs::room_state_key(keybuf, room_id, type, state_key_lb)
|
|
};
|
|
|
|
db::gopts opts
|
|
{
|
|
this->fopts? this->fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
if(!opts.readahead)
|
|
opts.readahead = size_t(readahead_size);
|
|
|
|
auto &column{dbs::room_state};
|
|
for(auto it{column.begin(key, opts)}; bool(it); ++it)
|
|
{
|
|
const auto key
|
|
{
|
|
dbs::room_state_key(it->first)
|
|
};
|
|
|
|
if(std::get<0>(key) == type)
|
|
{
|
|
if(!closure(std::get<1>(key)))
|
|
return false;
|
|
}
|
|
else break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::state::for_each(const types &closure)
|
|
const
|
|
{
|
|
for_each(types_bool{[&closure]
|
|
(const string_view &type)
|
|
{
|
|
closure(type);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::state::for_each(const types_bool &closure)
|
|
const
|
|
{
|
|
string_view last;
|
|
char lastbuf[256]; //TODO: type maxlen
|
|
if(!present())
|
|
{
|
|
m::state::for_each(root_id, m::state::iter_bool_closure{[&closure, &last, &lastbuf]
|
|
(const json::array &key, const string_view &)
|
|
{
|
|
assert(size(key) >= 2);
|
|
const auto type
|
|
{
|
|
unquote(key.at(0))
|
|
};
|
|
|
|
if(type == last)
|
|
return true;
|
|
|
|
last = strlcpy(lastbuf, type);
|
|
return closure(type);
|
|
}});
|
|
|
|
return true;
|
|
}
|
|
|
|
char keybuf[dbs::ROOM_STATE_KEY_MAX_SIZE];
|
|
const auto &key
|
|
{
|
|
dbs::room_state_key(keybuf, room_id, string_view{})
|
|
};
|
|
|
|
db::gopts opts
|
|
{
|
|
this->fopts? this->fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
auto &column{dbs::room_state};
|
|
for(auto it{column.begin(key, opts)}; bool(it); ++it)
|
|
{
|
|
const auto part
|
|
{
|
|
dbs::room_state_key(it->first)
|
|
};
|
|
|
|
const auto &type
|
|
{
|
|
std::get<0>(part)
|
|
};
|
|
|
|
if(type == last)
|
|
continue;
|
|
|
|
last = strlcpy(lastbuf, type);
|
|
if(!closure(type))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/// Figure out if this instance of room::state is presenting the current
|
|
/// "present" state of the room or the state of the room at some previous
|
|
/// event. This is an important distinction because the present state of
|
|
/// the room should provide optimal performance for the functions of this
|
|
/// interface by using the present state table. Prior states will use the
|
|
/// state btree.
|
|
bool
|
|
ircd::m::room::state::present()
|
|
const
|
|
{
|
|
// When no event_id is passed to the state constructor that immediately
|
|
// indicates the present state of the room is sought.
|
|
if(!event_id)
|
|
return true;
|
|
|
|
// When an event_id is passed but no state btree root_id was found
|
|
// that means there is no state btree generated for this room or at
|
|
// this event_id. Right now we fall back to using the present state
|
|
// of the room, which may be confusing behavior. In production this
|
|
// shouldn't happen; if it does, the ctor should probably throw rather
|
|
// than this. We just fallback to considering present state here.
|
|
if(!root_id)
|
|
return true;
|
|
|
|
// Check the cached value from a previous false result of this function
|
|
// before doing any real work/IO below. If this function ever returned
|
|
// false it will never return true after.
|
|
if(_not_present)
|
|
return false;
|
|
|
|
const auto head_id
|
|
{
|
|
m::head(std::nothrow, room_id)
|
|
};
|
|
|
|
// If the event_id passed is exactly the latest event we can obviously
|
|
// consider this the present state.
|
|
if(!head_id || head_id == event_id)
|
|
return true;
|
|
|
|
m::state::id_buffer root_id_buf;
|
|
const auto head_root
|
|
{
|
|
dbs::state_root(root_id_buf, room_id, head_id)
|
|
};
|
|
|
|
// If the room's state has not changed between the event_id desired
|
|
// here and the latest event we can also consider this the present state.
|
|
if(head_root && head_root == root_id)
|
|
return true;
|
|
|
|
// This result is cacheable because once it's no longer the present
|
|
// it will never be again. Panta chorei kai ouden menei. Note that this
|
|
// is a const member function; the cache variable is an appropriate case
|
|
// for the 'mutable' keyword.
|
|
_not_present = true;
|
|
return false;
|
|
}
|
|
|
|
//
|
|
// room::members
|
|
//
|
|
|
|
size_t
|
|
ircd::m::room::members::count()
|
|
const
|
|
{
|
|
const room::state state
|
|
{
|
|
room
|
|
};
|
|
|
|
return state.count("m.room.member");
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::members::count(const string_view &membership)
|
|
const
|
|
{
|
|
// Allow empty membership string to count all memberships
|
|
if(!membership)
|
|
return count();
|
|
|
|
// joined members optimization. Only possible when seeking
|
|
// membership="join" on the present state of the room.
|
|
if(!room.event_id && membership == "join")
|
|
{
|
|
size_t ret{0};
|
|
const room::origins origins{room};
|
|
origins._for_each_([&ret](const string_view &)
|
|
{
|
|
++ret;
|
|
return true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
// The list of event fields to fetch for the closure
|
|
static const event::keys keys
|
|
{
|
|
event::keys::include
|
|
{
|
|
"event_id", // Added for any upstack usage (but may be unnecessary).
|
|
"membership", // Required for membership test.
|
|
"content", // Required because synapse events randomly have no event.membership
|
|
}
|
|
};
|
|
|
|
const m::event::fetch::opts fopts
|
|
{
|
|
keys, room.fopts? room.fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
const room::state state
|
|
{
|
|
room, &fopts
|
|
};
|
|
|
|
size_t ret{0};
|
|
state.for_each("m.room.member", event::closure{[&ret, &membership]
|
|
(const m::event &event)
|
|
{
|
|
ret += m::membership(event) == membership;
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::members::for_each(const closure &closure)
|
|
const
|
|
{
|
|
for_each(string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::members::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return for_each(string_view{}, closure);
|
|
}
|
|
|
|
void
|
|
ircd::m::room::members::for_each(const event::closure &closure)
|
|
const
|
|
{
|
|
for_each(string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::members::for_each(const event::closure_bool &closure)
|
|
const
|
|
{
|
|
const room::state state{room};
|
|
return state.for_each("m.room.member", event::closure_bool{[&closure]
|
|
(const m::event &event)
|
|
{
|
|
return closure(event);
|
|
}});
|
|
}
|
|
|
|
void
|
|
ircd::m::room::members::for_each(const string_view &membership,
|
|
const closure &closure)
|
|
const
|
|
{
|
|
for_each(membership, closure_bool{[&closure]
|
|
(const user::id &user_id)
|
|
{
|
|
closure(user_id);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
/// Iterate the mxid's of the users in the room, optionally with a specific
|
|
/// membership state. This query contains internal optimizations as the closure
|
|
/// only requires a user::id. The db::gopts set in the room.fopts pointer is
|
|
/// still used if provided.
|
|
bool
|
|
ircd::m::room::members::for_each(const string_view &membership,
|
|
const closure_bool &closure)
|
|
const
|
|
{
|
|
// Setup the list of event fields to fetch for the closure
|
|
static const event::keys keys
|
|
{
|
|
event::keys::include
|
|
{
|
|
"event_id",
|
|
"membership",
|
|
"state_key",
|
|
"content", // Required because synapse events randomly have no event.membership
|
|
}
|
|
};
|
|
|
|
// In this case the fetch opts isn't static so it can maintain the
|
|
// previously given db::gopts, but it will use our keys list.
|
|
const m::event::fetch::opts fopts
|
|
{
|
|
keys, room.fopts? room.fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
// Stack-over the the current fetch opts with our new opts for this query,
|
|
// putting them back when we're finished. This requires a const_cast which
|
|
// should be okay here.
|
|
auto &room(const_cast<m::room &>(this->room));
|
|
const auto theirs{room.fopts};
|
|
room.fopts = &fopts;
|
|
const unwind reset{[&room, &theirs]
|
|
{
|
|
room.fopts = theirs;
|
|
}};
|
|
|
|
return for_each(membership, event::closure_bool{[&closure]
|
|
(const event &event)
|
|
{
|
|
const user::id &user_id
|
|
{
|
|
at<"state_key"_>(event)
|
|
};
|
|
|
|
return closure(user_id);
|
|
}});
|
|
}
|
|
|
|
void
|
|
ircd::m::room::members::for_each(const string_view &membership,
|
|
const event::closure &closure)
|
|
const
|
|
{
|
|
for_each(membership, event::closure_bool{[&closure]
|
|
(const m::event &event)
|
|
{
|
|
closure(event);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::members::for_each(const string_view &membership,
|
|
const event::closure_bool &closure)
|
|
const
|
|
{
|
|
if(empty(membership))
|
|
return for_each(closure);
|
|
|
|
// joined members optimization. Only possible when seeking
|
|
// membership="join" on the present state of the room.
|
|
if(!room.event_id && membership == "join")
|
|
{
|
|
const room::origins origins{room};
|
|
return origins._for_each_([&closure, this]
|
|
(const string_view &key)
|
|
{
|
|
const string_view &member
|
|
{
|
|
std::get<1>(dbs::room_joined_key(key))
|
|
};
|
|
|
|
bool ret{true};
|
|
room.get(std::nothrow, "m.room.member", member, event::closure{[&closure, &ret]
|
|
(const event &event)
|
|
{
|
|
ret = closure(event);
|
|
}});
|
|
|
|
return ret;
|
|
});
|
|
}
|
|
|
|
return for_each(event::closure_bool{[&membership, &closure]
|
|
(const event &event)
|
|
{
|
|
if(m::membership(event) == membership)
|
|
if(!closure(event))
|
|
return false;
|
|
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
//
|
|
// room::origins
|
|
//
|
|
|
|
ircd::string_view
|
|
ircd::m::room::origins::random(const mutable_buffer &buf,
|
|
const closure_bool &proffer)
|
|
const
|
|
{
|
|
string_view ret;
|
|
const auto closure{[&buf, &proffer, &ret]
|
|
(const string_view &origin)
|
|
{
|
|
ret = { data(buf), copy(buf, origin) };
|
|
}};
|
|
|
|
random(closure, proffer);
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::origins::random(const closure &view,
|
|
const closure_bool &proffer)
|
|
const
|
|
{
|
|
using prototype = bool (const m::room &,
|
|
const m::room::origins::closure &,
|
|
const m::room::origins::closure_bool &);
|
|
|
|
static mods::import<prototype> random_origin
|
|
{
|
|
"m_room", "random_origin"
|
|
};
|
|
|
|
return random_origin(room, view, proffer);
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::origins::count()
|
|
const
|
|
{
|
|
size_t ret{0};
|
|
for_each([&ret](const string_view &)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
/// Tests if argument is the only origin in the room.
|
|
/// If a zero or more than one origins exist, returns false. If the only origin
|
|
/// in the room is the argument origin, returns true.
|
|
bool
|
|
ircd::m::room::origins::only(const string_view &origin)
|
|
const
|
|
{
|
|
ushort ret{2};
|
|
for_each(closure_bool{[&ret, &origin]
|
|
(const string_view &origin_) -> bool
|
|
{
|
|
if(origin == origin_)
|
|
ret = 1;
|
|
else
|
|
ret = 0;
|
|
|
|
return ret;
|
|
}});
|
|
|
|
return ret == 1;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::origins::has(const string_view &origin)
|
|
const
|
|
{
|
|
db::index &index
|
|
{
|
|
dbs::room_joined
|
|
};
|
|
|
|
char querybuf[dbs::ROOM_JOINED_KEY_MAX_SIZE];
|
|
const auto query
|
|
{
|
|
dbs::room_joined_key(querybuf, room.room_id, origin)
|
|
};
|
|
|
|
auto it
|
|
{
|
|
index.begin(query)
|
|
};
|
|
|
|
if(!it)
|
|
return false;
|
|
|
|
const string_view &key
|
|
{
|
|
lstrip(it->first, "\0"_sv)
|
|
};
|
|
|
|
const string_view &key_origin
|
|
{
|
|
std::get<0>(dbs::room_joined_key(key))
|
|
};
|
|
|
|
return key_origin == origin;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::origins::for_each(const closure &view)
|
|
const
|
|
{
|
|
for_each(closure_bool{[&view]
|
|
(const string_view &origin)
|
|
{
|
|
view(origin);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::origins::for_each(const closure_bool &view)
|
|
const
|
|
{
|
|
string_view last;
|
|
char lastbuf[rfc1035::NAME_BUF_SIZE];
|
|
return _for_each_([&last, &lastbuf, &view]
|
|
(const string_view &key)
|
|
{
|
|
const string_view &origin
|
|
{
|
|
std::get<0>(dbs::room_joined_key(key))
|
|
};
|
|
|
|
if(origin == last)
|
|
return true;
|
|
|
|
if(!view(origin))
|
|
return false;
|
|
|
|
last = { lastbuf, copy(lastbuf, origin) };
|
|
return true;
|
|
});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::origins::_for_each_(const closure_bool &view)
|
|
const
|
|
{
|
|
db::index &index
|
|
{
|
|
dbs::room_joined
|
|
};
|
|
|
|
auto it
|
|
{
|
|
index.begin(room.room_id)
|
|
};
|
|
|
|
for(; bool(it); ++it)
|
|
{
|
|
const string_view &key
|
|
{
|
|
lstrip(it->first, "\0"_sv)
|
|
};
|
|
|
|
if(!view(key))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// room::head
|
|
//
|
|
|
|
size_t
|
|
ircd::m::room::head::count()
|
|
const
|
|
{
|
|
size_t ret(0);
|
|
for_each([&ret]
|
|
(const event::idx &event_idx, const event::id &event_id)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::head::has(const event::id &event_id)
|
|
const
|
|
{
|
|
bool ret{false};
|
|
for_each(closure_bool{[&ret, &event_id]
|
|
(const event::idx &event_idx, const event::id &event_id_)
|
|
{
|
|
ret = event_id_ == event_id;
|
|
return !ret; // for_each protocol: false to break
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::head::for_each(const closure &closure)
|
|
const
|
|
{
|
|
for_each(closure_bool{[&closure]
|
|
(const event::idx &event_idx, const event::id &event_id)
|
|
{
|
|
closure(event_idx, event_id);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::head::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
auto &index
|
|
{
|
|
dbs::room_head
|
|
};
|
|
|
|
auto it
|
|
{
|
|
index.begin(room.room_id)
|
|
};
|
|
|
|
for(; it; ++it)
|
|
{
|
|
const event::id &event_id
|
|
{
|
|
dbs::room_head_key(it->first)
|
|
};
|
|
|
|
const event::idx &event_idx
|
|
{
|
|
byte_view<event::idx>{it->second}
|
|
};
|
|
|
|
if(!closure(event_idx, event_id))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// room::power
|
|
//
|
|
|
|
decltype(ircd::m::room::power::default_creator_level)
|
|
ircd::m::room::power::default_creator_level
|
|
{
|
|
100
|
|
};
|
|
|
|
decltype(ircd::m::room::power::default_power_level)
|
|
ircd::m::room::power::default_power_level
|
|
{
|
|
50
|
|
};
|
|
|
|
decltype(ircd::m::room::power::default_event_level)
|
|
ircd::m::room::power::default_event_level
|
|
{
|
|
0
|
|
};
|
|
|
|
decltype(ircd::m::room::power::default_user_level)
|
|
ircd::m::room::power::default_user_level
|
|
{
|
|
0
|
|
};
|
|
|
|
bool
|
|
ircd::m::room::power::operator()(const m::user::id &user_id,
|
|
const string_view &prop,
|
|
const string_view &type,
|
|
const string_view &state_key)
|
|
const
|
|
{
|
|
const auto &user_level
|
|
{
|
|
level_user(user_id)
|
|
};
|
|
|
|
const auto &required_level
|
|
{
|
|
prop == "events"?
|
|
level_event(type, state_key):
|
|
level(prop)
|
|
};
|
|
|
|
return user_level >= required_level;
|
|
}
|
|
|
|
int64_t
|
|
ircd::m::room::power::level_user(const m::user::id &user_id)
|
|
const try
|
|
{
|
|
int64_t ret
|
|
{
|
|
default_user_level
|
|
};
|
|
|
|
const auto closure{[&user_id, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const auto users_default
|
|
{
|
|
content.get<int64_t>("users_default", default_user_level)
|
|
};
|
|
|
|
const json::object &users
|
|
{
|
|
content.at("users")
|
|
};
|
|
|
|
ret = users.get<int64_t>(user_id, users_default);
|
|
}};
|
|
|
|
const bool has_power_levels_event
|
|
{
|
|
view(closure)
|
|
};
|
|
|
|
if(!has_power_levels_event)
|
|
if(creator(room, user_id))
|
|
ret = default_creator_level;
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &e)
|
|
{
|
|
return default_user_level;
|
|
}
|
|
|
|
int64_t
|
|
ircd::m::room::power::level_event(const string_view &type)
|
|
const try
|
|
{
|
|
int64_t ret
|
|
{
|
|
default_event_level
|
|
};
|
|
|
|
view([&type, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const auto &events_default
|
|
{
|
|
content.get<int64_t>("events_default", default_event_level)
|
|
};
|
|
|
|
const json::object &events
|
|
{
|
|
content.get("events")
|
|
};
|
|
|
|
ret = events.get<int64_t>(type, events_default);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &e)
|
|
{
|
|
return default_event_level;
|
|
}
|
|
|
|
int64_t
|
|
ircd::m::room::power::level_event(const string_view &type,
|
|
const string_view &state_key)
|
|
const try
|
|
{
|
|
if(!defined(state_key))
|
|
return level_event(type);
|
|
|
|
int64_t ret
|
|
{
|
|
default_power_level
|
|
};
|
|
|
|
view([&type, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const auto &state_default
|
|
{
|
|
content.get<int64_t>("state_default", default_power_level)
|
|
};
|
|
|
|
const json::object &events
|
|
{
|
|
content.get("events")
|
|
};
|
|
|
|
ret = events.get<int64_t>(type, state_default);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &e)
|
|
{
|
|
return default_power_level;
|
|
}
|
|
|
|
int64_t
|
|
ircd::m::room::power::level(const string_view &prop)
|
|
const try
|
|
{
|
|
int64_t ret
|
|
{
|
|
default_power_level
|
|
};
|
|
|
|
view([&prop, &ret]
|
|
(const json::object &content)
|
|
{
|
|
ret = content.at<int64_t>(prop);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &e)
|
|
{
|
|
return default_power_level;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::power::count_levels()
|
|
const
|
|
{
|
|
size_t ret{0};
|
|
for_each([&ret]
|
|
(const string_view &, const int64_t &)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::power::count_collections()
|
|
const
|
|
{
|
|
size_t ret{0};
|
|
view([&ret]
|
|
(const json::object &content)
|
|
{
|
|
for(const auto &member : content)
|
|
ret += json::type(member.second) == json::OBJECT;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::room::power::count(const string_view &prop)
|
|
const
|
|
{
|
|
size_t ret{0};
|
|
for_each(prop, [&ret]
|
|
(const string_view &, const int64_t &)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::has_event(const string_view &type)
|
|
const try
|
|
{
|
|
bool ret{false};
|
|
view([&type, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const json::object &events
|
|
{
|
|
content.at("events")
|
|
};
|
|
|
|
const string_view &level
|
|
{
|
|
events.at(type)
|
|
};
|
|
|
|
ret = json::type(level) == json::NUMBER;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::has_user(const m::user::id &user_id)
|
|
const try
|
|
{
|
|
bool ret{false};
|
|
view([&user_id, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const json::object &users
|
|
{
|
|
content.at("users")
|
|
};
|
|
|
|
const string_view &level
|
|
{
|
|
users.at(user_id)
|
|
};
|
|
|
|
ret = json::type(level) == json::NUMBER;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const json::error &)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::has_collection(const string_view &prop)
|
|
const
|
|
{
|
|
bool ret{false};
|
|
view([&prop, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const auto &value{content.get(prop)};
|
|
if(value && json::type(value) == json::OBJECT)
|
|
ret = true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::has_level(const string_view &prop)
|
|
const
|
|
{
|
|
bool ret{false};
|
|
view([&prop, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const auto &value{content.get(prop)};
|
|
if(value && json::type(value) == json::NUMBER)
|
|
ret = true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::room::power::for_each(const closure &closure)
|
|
const
|
|
{
|
|
for_each(string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return for_each(string_view{}, closure);
|
|
}
|
|
|
|
void
|
|
ircd::m::room::power::for_each(const string_view &prop,
|
|
const closure &closure)
|
|
const
|
|
{
|
|
for_each(prop, closure_bool{[&closure]
|
|
(const string_view &key, const int64_t &level)
|
|
{
|
|
closure(key, level);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::for_each(const string_view &prop,
|
|
const closure_bool &closure)
|
|
const
|
|
{
|
|
bool ret{true};
|
|
view([&prop, &closure, &ret]
|
|
(const json::object &content)
|
|
{
|
|
const json::object &collection
|
|
{
|
|
// This little cmov gimmick sets collection to be the outer object
|
|
// itself if no property was given, allowing us to reuse this func
|
|
// for all iterations of key -> level mappings.
|
|
prop? json::object{content.get(prop)} : content
|
|
};
|
|
|
|
if(prop && json::type(string_view{collection}) != json::OBJECT)
|
|
return;
|
|
|
|
for(auto it(begin(collection)); it != end(collection) && ret; ++it)
|
|
{
|
|
const auto &member(*it);
|
|
if(json::type(member.second) != json::NUMBER)
|
|
continue;
|
|
|
|
const auto &key
|
|
{
|
|
unquote(member.first)
|
|
};
|
|
|
|
const auto &val
|
|
{
|
|
lex_cast<int64_t>(member.second)
|
|
};
|
|
|
|
ret = closure(key, val);
|
|
}
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::room::power::view(const std::function<void (const json::object &)> &closure)
|
|
const
|
|
{
|
|
static const event::keys keys
|
|
{
|
|
event::keys::include
|
|
{
|
|
"content",
|
|
}
|
|
};
|
|
|
|
const m::event::fetch::opts fopts
|
|
{
|
|
keys, state.fopts? state.fopts->gopts : db::gopts{}
|
|
};
|
|
|
|
return state.get(std::nothrow, "m.room.power_levels", "", [&closure]
|
|
(const m::event &event)
|
|
{
|
|
closure(json::get<"content"_>(event));
|
|
});
|
|
}
|