0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2024-11-27 17:22:36 +01:00
construct/modules/federation/user_keys_query.cc
2020-04-01 19:52:31 -07:00

148 lines
3.1 KiB
C++

// 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;
mapi::header
IRCD_MODULE
{
"Federation 21 :End-to-End Encryption"
};
m::resource
user_keys_query_resource
{
"/_matrix/federation/v1/user/keys/query",
{
"federation user keys query",
}
};
static void
_query_user_device(client &,
const m::resource::request &,
const m::user::devices &,
const string_view &device_id,
json::stack::object &out);
static m::resource::response
post__user_keys_query(client &client,
const m::resource::request &request);
m::resource::method
user_keys_query__post
{
user_keys_query_resource, "POST", post__user_keys_query,
{
user_keys_query__post.VERIFY_ORIGIN
}
};
m::resource::response
post__user_keys_query(client &client,
const m::resource::request &request)
{
const json::object &request_keys
{
request.at("device_keys")
};
m::resource::response::chunked response
{
client, http::OK
};
json::stack out
{
response.buf, response.flusher()
};
json::stack::object top{out};
json::stack::object response_keys
{
top, "device_keys"
};
for(const auto &[user_id_, device_ids_] : request_keys)
{
const m::user::id &user_id
{
user_id_
};
const json::array &device_ids
{
device_ids_
};
const m::user::devices devices
{
user_id
};
json::stack::object response_keys_user
{
response_keys, user_id
};
if(empty(device_ids))
devices.for_each([&client, &request, &devices, &response_keys_user]
(const auto &event_idx, const string_view &device_id)
{
_query_user_device(client, request, devices, device_id, response_keys_user);
return true;
});
else
for(const json::string &device_id : device_ids)
_query_user_device(client, request, devices, device_id, response_keys_user);
}
return std::move(response);
}
void
_query_user_device(client &client,
const m::resource::request &request,
const m::user::devices &devices,
const string_view &device_id,
json::stack::object &out)
{
if(!devices.has(device_id, "keys"))
return;
json::stack::object object
{
out, device_id
};
devices.get(std::nothrow, device_id, "keys", [&device_id, &object]
(const auto &event_idx, const json::object &device_keys)
{
for(const auto &member : device_keys)
json::stack::member
{
object, member.first, member.second
};
});
devices.get(std::nothrow, device_id, "display_name", [&device_id, &object]
(const auto &event_idx, const string_view &display_name)
{
json::stack::object non_hancock
{
object, "unsigned"
};
json::stack::member
{
non_hancock, "device_display_name", display_name
};
});
}