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construct/modules/federation/user_keys_query.cc

135 lines
3 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 &client,
const m::resource::request &request,
const m::user::id &user_id,
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 &m : request_keys)
{
const m::user::id &user_id{m.first};
const json::array &device_ids{m.second};
json::stack::object response_keys_user
{
response_keys, user_id
};
if(empty(device_ids))
m::device::for_each(user_id, [&client, &request, &user_id, &response_keys_user]
(const string_view &device_id)
{
_query_user_device(client, request, user_id, device_id, response_keys_user);
return true;
});
else
for(const json::string &device_id : device_ids)
_query_user_device(client, request, user_id, device_id, response_keys_user);
}
return std::move(response);
}
void
_query_user_device(client &client,
const m::resource::request &request,
const m::user::id &user_id,
const string_view &device_id,
json::stack::object &out)
{
if(!m::device::has(user_id, device_id, "keys"))
return;
json::stack::object object
{
out, device_id
};
m::device::get(std::nothrow, user_id, device_id, "keys", [&device_id, &object]
(const json::object &device_keys)
{
for(const auto &member : device_keys)
json::stack::member
{
object, member.first, member.second
};
});
m::device::get(std::nothrow, user_id, device_id, "display_name", [&device_id, &object]
(const string_view &display_name)
{
json::stack::object non_hancock
{
object, "unsigned"
};
json::stack::member
{
non_hancock, "device_display_name", display_name
};
});
}