mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 02:52:09 +02:00
212 lines
4 KiB
C++
212 lines
4 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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#include "rooms.h"
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using namespace ircd;
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resource::response
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get__members(client &client,
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const resource::request &request,
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const m::room::id &room_id)
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{
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char membershipbuf[32];
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const auto &membership
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{
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url::decode(membershipbuf, request.query["membership"])
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};
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char not_membershipbuf[32];
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const auto ¬_membership
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{
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url::decode(not_membershipbuf, request.query["not_membership"])
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};
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char atbuf[48];
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const string_view at
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{
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url::decode(atbuf, request.query["at"])
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};
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const auto event_idx
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{
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// at is a /sync since token we gave the client. This is simply
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// an event_idx sequence integer, except during phased-polylog sync
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// when this is a negative integer. If this is phased sync, we can
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// parse this token for the snapshot integer.
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at && !startswith(at, '-')?
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lex_cast<m::event::idx>(at):
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startswith(at, '-')?
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lex_cast<m::event::idx>(split(at, '_').second):
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m::event::idx{0}
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};
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const m::event::id::buf event_id
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{
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event_idx && event_idx <= m::vm::sequence::retired?
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m::event_id(event_idx, std::nothrow):
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m::event::id::buf{}
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};
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const m::room room
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{
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room_id, event_id
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};
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if(!event_id && !exists(room))
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throw m::NOT_FOUND
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{
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"Room %s does not exist.",
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string_view{room_id}
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};
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if(!visible(room, request.user_id))
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throw m::ACCESS_DENIED
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{
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"You do not have permission to view %s members.",
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string_view{room_id}
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};
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resource::response::chunked response
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{
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client, http::OK
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};
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json::stack out
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{
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response.buf, response.flusher()
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};
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json::stack::object top
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{
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out
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};
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json::stack::array chunk
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{
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top, "chunk"
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};
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const m::room::members members
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{
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room
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};
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members.for_each(membership, [¬_membership]
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(const m::user::id &member, const m::event::idx &event_idx)
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{
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if(m::room::members::membership(event_idx, not_membership))
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return true;
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m::prefetch(event_idx);
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return true;
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});
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members.for_each(membership, [&request, &chunk, ¬_membership]
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(const m::user::id &member, const m::event::idx &event_idx)
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{
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if(m::room::members::membership(event_idx, not_membership))
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return true;
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const m::event::fetch event
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{
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event_idx, std::nothrow
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};
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if(!event.valid)
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return true;
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chunk.append(event);
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return true;
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});
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return std::move(response);
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}
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resource::response
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get__joined_members(client &client,
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const resource::request &request,
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const m::room::id &room_id)
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{
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const m::room room
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{
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room_id
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};
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if(!exists(room))
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throw m::NOT_FOUND
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{
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"Room %s does not exist.",
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string_view{room_id}
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};
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if(!visible(room, request.user_id))
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throw m::ACCESS_DENIED
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{
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"You do not have permission to view %s joined members.",
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string_view{room_id}
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};
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resource::response::chunked response
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{
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client, http::OK
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};
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json::stack out
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{
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response.buf, response.flusher()
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};
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json::stack::object top
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{
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out
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};
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json::stack::object joined
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{
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top, "joined"
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};
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const m::room::members members
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{
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room
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};
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members.for_each("join", []
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(const m::user::id &user_id, const m::event::idx &event_idx)
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{
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m::prefetch(event_idx);
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return true;
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});
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members.for_each("join", [&joined, &room]
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(const m::user::id &user_id, const m::event::idx &event_idx)
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{
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json::stack::object room_member
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{
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joined, user_id
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};
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m::get(std::nothrow, event_idx, "content", [&room_member]
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(const json::object &content)
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{
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for(const auto &[key, val] : content)
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json::stack::member
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{
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room_member, key, val
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};
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});
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return true;
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});
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return std::move(response);
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}
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