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construct/modules/client/keys/changes.cc

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
using namespace ircd;
static m::resource::response
get__keys_changes(client &client,
const m::resource::request &request);
mapi::header
IRCD_MODULE
{
"Client 14.11.5.2 :Key management API"
};
ircd::m::resource
changes_resource
{
"/_matrix/client/r0/keys/changes",
{
"(14.11.5.2.4) Keys changes",
}
};
m::resource::method
method_get
{
changes_resource, "GET", get__keys_changes,
{
method_get.REQUIRES_AUTH
}
};
m::resource::response
get__keys_changes(client &client,
const m::resource::request &request)
{
char buf[2][128];
const string_view range[2]
{
url::decode(buf[0], request.query["from"]),
url::decode(buf[1], request.query["to"])
};
const auto from
{
m::sync::sequence(m::sync::make_since(range[0]))
};
const auto to
{
m::sync::sequence(m::sync::make_since(range[1]))
};
const m::user::mitsein mitsein
{
request.user_id
};
m::resource::response::chunked::json response
{
client, http::OK
};
if(likely(request.query.get("changed", true)))
{
json::stack::array out
{
response, "changed"
};
m::events::type::for_each_in("ircd.device.keys", [&from, &to, &out, &mitsein]
(const string_view &type, const m::event::idx &event_idx)
{
if(event_idx < from || event_idx >= to)
return true;
const bool room_id_prefetched
{
m::prefetch(event_idx, "room_id")
};
m::get(std::nothrow, event_idx, "sender", [&out, &mitsein, &event_idx]
(const m::user::id &user_id)
{
m::get(std::nothrow, event_idx, "room_id", [&out, &mitsein, &user_id]
(const m::room::id &room_id)
{
if(!m::user::room::is(room_id, user_id))
return;
if(!mitsein.has(user_id))
return;
out.append(user_id);
});
});
return true;
});
}
if(likely(request.query.get("left", true)))
{
json::stack::array out
{
response, "left"
};
}
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return response;
}