mirror of
https://github.com/matrix-construct/construct
synced 2024-09-09 02:01:32 +02:00
204 lines
3.9 KiB
C++
204 lines
3.9 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::m;
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using namespace ircd;
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static bool
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append_event(const m::resource::request &request,
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json::stack::array &,
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const m::event::idx &event_idx);
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static m::resource::response
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get__state(client &client,
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const m::resource::request &request,
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const m::room::state &state);
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m::resource::response
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put__state(client &client,
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const m::resource::request &request,
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const room::id &room_id)
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{
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if(request.parv.size() < 3)
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throw m::NEED_MORE_PARAMS
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{
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"'type' path parameter required."
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};
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char type_buf[m::event::TYPE_MAX_SIZE];
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const string_view &type
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{
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url::decode(type_buf, request.parv[2])
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};
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char skey_buf[m::event::STATE_KEY_MAX_SIZE];
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const string_view &state_key
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{
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request.parv.size() > 3?
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url::decode(skey_buf, request.parv[3]):
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string_view{""} // "" is significant
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};
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const json::object &content
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{
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request.content
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};
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const auto event_id
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{
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m::send(room_id, request.user_id, type, state_key, content)
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};
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return m::resource::response
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{
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client, json::members
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{
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{ "event_id", event_id }
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}
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};
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}
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m::resource::response
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get__state(client &client,
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const m::resource::request &request,
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const room::id &room_id)
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{
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char type_buf[m::event::TYPE_MAX_SIZE];
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const string_view &type
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{
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request.parv.size() > 2?
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url::decode(type_buf, request.parv[2]):
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string_view{}
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};
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char skey_buf[m::event::STATE_KEY_MAX_SIZE];
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const string_view &state_key
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{
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request.parv.size() > 3?
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url::decode(skey_buf, request.parv[3]):
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string_view{}
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};
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// (non-standard) Allow an event_id to be passed in the query string
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// for reference framing.
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m::event::id::buf event_id;
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if(request.query["event_id"])
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url::decode(event_id, request.query["event_id"]);
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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(!exists(room))
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throw m::NOT_FOUND
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{
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"Room %s not found.",
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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 are not permitted to view %s",
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string_view{room_id}
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};
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const m::room::state state
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{
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room
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};
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if(!type)
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return get__state(client, request, state);
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const m::event::fetch event
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{
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state.get(type, state_key)
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};
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if(!visible(event, request.user_id))
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throw m::ACCESS_DENIED
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{
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"You are not permitted to view this state in %s",
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string_view{room_id}
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};
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const json::object content
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{
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json::get<"content"_>(event)
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};
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return m::resource::response
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{
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client, content
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};
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}
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m::resource::response
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get__state(client &client,
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const m::resource::request &request,
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const m::room::state &state)
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{
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m::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::array top
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{
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out
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};
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state.for_each([&request, &top]
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(const m::event::idx &event_idx)
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{
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append_event(request, top, event_idx);
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});
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return std::move(response);
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}
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bool
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append_event(const m::resource::request &request,
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json::stack::array &array,
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const event::idx &event_idx)
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{
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const m::event::fetch event
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{
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std::nothrow, event_idx
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};
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if(unlikely(!event.valid))
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return false;
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if(!visible(event, request.user_id))
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return false;
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m::event::append::opts opts;
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opts.event_idx = &event_idx;
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opts.user_id = &request.user_id;
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opts.query_redacted = false;
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opts.query_prev_state = false;
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opts.query_txnid = false;
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m::event::append
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{
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array, event, opts
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};
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return true;
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}
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