mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 10:58:54 +01:00
125 lines
3 KiB
C++
125 lines
3 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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using namespace ircd;
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mapi::header
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IRCD_MODULE
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{
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"Federation :Request a prototype for creating a leave event."
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};
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const string_view
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make_leave_description
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{R"(
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Sends a partial event to the remote with enough information for them to
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create a leave event 'in the blind' for one of their users.
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)"};
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resource
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make_leave_resource
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{
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"/_matrix/federation/v1/make_leave/",
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{
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make_leave_description,
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resource::DIRECTORY
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}
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};
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resource::response
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get__make_leave(client &client,
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const resource::request &request)
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{
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if(request.parv.size() < 1)
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throw m::NEED_MORE_PARAMS
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{
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"room_id path parameter required"
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};
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m::room::id::buf room_id
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{
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url::decode(request.parv[0], room_id)
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};
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if(request.parv.size() < 2)
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throw m::NEED_MORE_PARAMS
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{
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"user_id path parameter required"
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};
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m::user::id::buf user_id
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{
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url::decode(request.parv[1], user_id)
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};
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int64_t depth;
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m::id::event::buf prev_event_id;
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std::tie(prev_event_id, depth, std::ignore) = m::top(room_id);
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const m::event::fetch evf
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{
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prev_event_id, std::nothrow
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};
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const auto &auth_events
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{
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json::get<"auth_events"_>(evf)?
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json::get<"auth_events"_>(evf) : json::array{"[]"}
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};
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const json::value prev[]
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{
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{ string_view{prev_event_id} },
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{ json::get<"hashes"_>(evf) }
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};
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const json::value prevs[]
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{
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{ prev, 2 }
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};
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thread_local char bufs[96_KiB];
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mutable_buffer buf{bufs};
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json::iov content, event, wrapper;
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const json::iov::push push[]
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{
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{ event, { "origin", request.origin }},
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{ event, { "origin_server_ts", time<milliseconds>() }},
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{ event, { "room_id", room_id }},
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{ event, { "type", "m.room.member" }},
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{ event, { "sender", user_id }},
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{ event, { "state_key", user_id }},
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{ event, { "depth", depth + 1 }},
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{ event, { "membership", "leave" }},
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{ content, { "membership", "leave" }},
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{ event, { "auth_events", auth_events }},
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{ event, { "prev_state", "[]" }},
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{ event, { "prev_events", { prevs, 1 } }},
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{ event, { "content", stringify(buf, content) }},
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{ wrapper, { "event", stringify(buf, event) }},
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};
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return resource::response
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{
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client, wrapper
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};
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}
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resource::method
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method_get
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{
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make_leave_resource, "GET", get__make_leave,
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{
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method_get.VERIFY_ORIGIN
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}
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};
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