mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 11:02:08 +02:00
382 lines
7.4 KiB
C++
382 lines
7.4 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;
|
|
|
|
namespace
|
|
{
|
|
using user_devices_map = std::map<m::user::id, json::array>;
|
|
using host_users_map = std::map<string_view, user_devices_map>;
|
|
using query_map = std::map<string_view, m::v1::user::keys::query>;
|
|
using failure_map = std::map<string_view, std::exception_ptr, std::less<>>;
|
|
using buffer_list = std::vector<unique_buffer<mutable_buffer>>;
|
|
}
|
|
|
|
static host_users_map
|
|
parse_user_request(const json::object &device_keys);
|
|
|
|
static bool
|
|
send_request(const string_view &,
|
|
const user_devices_map &,
|
|
failure_map &,
|
|
buffer_list &,
|
|
query_map &);
|
|
|
|
static query_map
|
|
send_requests(const host_users_map &,
|
|
buffer_list &,
|
|
failure_map &);
|
|
|
|
static void
|
|
recv_response(const string_view &,
|
|
m::v1::user::keys::query &,
|
|
failure_map &,
|
|
json::stack::object &);
|
|
|
|
static void
|
|
recv_responses(query_map &,
|
|
failure_map &,
|
|
json::stack::object &,
|
|
const milliseconds &);
|
|
|
|
static void
|
|
handle_failures(const failure_map &,
|
|
json::stack::object &);
|
|
|
|
static resource::response
|
|
post__keys_query(client &client,
|
|
const resource::request &request);
|
|
|
|
mapi::header
|
|
IRCD_MODULE
|
|
{
|
|
"Client 14.11.5.2 :Key management API"
|
|
};
|
|
|
|
ircd::resource
|
|
query_resource
|
|
{
|
|
"/_matrix/client/r0/keys/query",
|
|
{
|
|
"(14.11.5.2.2) Keys query",
|
|
}
|
|
};
|
|
|
|
ircd::resource
|
|
query_resource__unstable
|
|
{
|
|
"/_matrix/client/unstable/keys/query",
|
|
{
|
|
"(14.11.5.2.2) Keys query",
|
|
}
|
|
};
|
|
|
|
resource::method
|
|
method_post
|
|
{
|
|
query_resource, "POST", post__keys_query,
|
|
{
|
|
method_post.REQUIRES_AUTH
|
|
}
|
|
};
|
|
|
|
resource::method
|
|
method_post__unstable
|
|
{
|
|
query_resource__unstable, "POST", post__keys_query,
|
|
{
|
|
method_post.REQUIRES_AUTH
|
|
}
|
|
};
|
|
|
|
conf::item<milliseconds>
|
|
query_timeout_default
|
|
{
|
|
{ "name", "ircd.client.keys.query.timeout.default" },
|
|
{ "default", 10000L },
|
|
};
|
|
|
|
conf::item<milliseconds>
|
|
query_timeout_min
|
|
{
|
|
{ "name", "ircd.client.keys.query.timeout.min" },
|
|
{ "default", 5000L },
|
|
};
|
|
|
|
conf::item<milliseconds>
|
|
query_timeout_max
|
|
{
|
|
{ "name", "ircd.client.keys.query.timeout.max" },
|
|
{ "default", 20000L },
|
|
};
|
|
|
|
resource::response
|
|
post__keys_query(client &client,
|
|
const resource::request &request)
|
|
{
|
|
const milliseconds timeout{[&request]
|
|
{
|
|
const milliseconds _default(query_timeout_default);
|
|
milliseconds ret(request.get("timeout", _default));
|
|
ret = std::max(ret, milliseconds(query_timeout_min));
|
|
ret = std::min(ret, milliseconds(query_timeout_max));
|
|
return ret;
|
|
}()};
|
|
|
|
const auto &token
|
|
{
|
|
request["token"]
|
|
};
|
|
|
|
const json::object &request_keys
|
|
{
|
|
request.at("device_keys")
|
|
};
|
|
|
|
const host_users_map map
|
|
{
|
|
parse_user_request(request_keys)
|
|
};
|
|
|
|
buffer_list buffers;
|
|
failure_map failures;
|
|
query_map queries
|
|
{
|
|
send_requests(map, buffers, failures)
|
|
};
|
|
|
|
resource::response::chunked response
|
|
{
|
|
client, http::OK
|
|
};
|
|
|
|
json::stack out
|
|
{
|
|
response.buf, response.flusher()
|
|
};
|
|
|
|
json::stack::object top
|
|
{
|
|
out
|
|
};
|
|
|
|
recv_responses(queries, failures, top, timeout);
|
|
handle_failures(failures, top);
|
|
return {};
|
|
}
|
|
|
|
void
|
|
handle_failures(const failure_map &failures,
|
|
json::stack::object &out)
|
|
{
|
|
json::stack::object response_failures
|
|
{
|
|
out, "failures"
|
|
};
|
|
|
|
for(const auto &p : failures)
|
|
{
|
|
const string_view &hostname(p.first);
|
|
const std::exception_ptr &eptr(p.second);
|
|
json::stack::member
|
|
{
|
|
response_failures, hostname, what(eptr)
|
|
};
|
|
}
|
|
}
|
|
|
|
void
|
|
recv_responses(query_map &queries,
|
|
failure_map &failures,
|
|
json::stack::object &out,
|
|
const milliseconds &timeout)
|
|
try
|
|
{
|
|
const steady_point timedout
|
|
{
|
|
ircd::now<steady_point>() + timeout
|
|
};
|
|
|
|
json::stack::object response_keys
|
|
{
|
|
out, "device_keys"
|
|
};
|
|
|
|
while(!queries.empty())
|
|
{
|
|
static const auto dereferencer{[]
|
|
(auto &it) -> m::v1::user::keys::query &
|
|
{
|
|
return it->second;
|
|
}};
|
|
|
|
auto next
|
|
{
|
|
ctx::when_any(begin(queries), end(queries), dereferencer)
|
|
};
|
|
|
|
next.wait_until(timedout); // throws on timeout
|
|
const auto it{next.get()};
|
|
const unwind remove{[&queries, &it]
|
|
{
|
|
queries.erase(it);
|
|
}};
|
|
|
|
const auto &remote(it->first);
|
|
auto &request(it->second);
|
|
|
|
assert(!failures.count(remote));
|
|
if(failures.count(remote))
|
|
continue;
|
|
|
|
recv_response(remote, request, failures, response_keys);
|
|
}
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
for(const auto &[remote, request] : queries)
|
|
failures.emplace(remote, std::current_exception());
|
|
}
|
|
|
|
void
|
|
recv_response(const string_view &remote,
|
|
m::v1::user::keys::query &request,
|
|
failure_map &failures,
|
|
json::stack::object &object)
|
|
try
|
|
{
|
|
const auto code
|
|
{
|
|
request.get()
|
|
};
|
|
|
|
const json::object response
|
|
{
|
|
request
|
|
};
|
|
|
|
const json::object &device_keys
|
|
{
|
|
response["device_keys"]
|
|
};
|
|
|
|
for(const auto &[_user_id, device_keys] : device_keys)
|
|
{
|
|
const m::user::id &user_id
|
|
{
|
|
_user_id
|
|
};
|
|
|
|
json::stack::object user_object
|
|
{
|
|
object, user_id
|
|
};
|
|
|
|
for(const auto &[device_id, keys] : json::object(device_keys))
|
|
json::stack::member
|
|
{
|
|
user_object, device_id, keys
|
|
};
|
|
}
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::error
|
|
{
|
|
m::log, "user keys query from %s :%s",
|
|
remote,
|
|
e.what()
|
|
};
|
|
|
|
failures.emplace(remote, std::current_exception());
|
|
}
|
|
|
|
query_map
|
|
send_requests(const host_users_map &hosts,
|
|
buffer_list &buffers,
|
|
failure_map &failures)
|
|
{
|
|
query_map ret;
|
|
for(const auto &pair : hosts)
|
|
{
|
|
const string_view &remote(pair.first);
|
|
const user_devices_map &user_devices(pair.second);
|
|
send_request(remote, user_devices, failures, buffers, ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
send_request(const string_view &remote,
|
|
const user_devices_map &queries,
|
|
failure_map &failures,
|
|
buffer_list &buffers,
|
|
query_map &ret)
|
|
try
|
|
{
|
|
m::v1::user::keys::query::opts opts;
|
|
opts.remote = remote;
|
|
opts.dynamic = true;
|
|
const auto &buffer
|
|
{
|
|
buffers.emplace_back(16_KiB)
|
|
};
|
|
|
|
ret.emplace
|
|
(
|
|
std::piecewise_construct,
|
|
std::forward_as_tuple(remote),
|
|
std::forward_as_tuple(queries, buffer, std::move(opts))
|
|
);
|
|
|
|
return true;
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::error
|
|
{
|
|
m::log, "user keys query to %s :%s",
|
|
remote,
|
|
e.what()
|
|
};
|
|
|
|
failures.emplace(remote, std::current_exception());
|
|
return false;
|
|
}
|
|
|
|
host_users_map
|
|
parse_user_request(const json::object &device_keys)
|
|
{
|
|
host_users_map ret;
|
|
for(const auto &member : device_keys)
|
|
{
|
|
const m::user::id &user_id(member.first);
|
|
const json::array &device_ids(member.second);
|
|
const string_view &host(user_id.host());
|
|
|
|
auto it(ret.lower_bound(host));
|
|
if(it == end(ret) || it->first != host)
|
|
it = ret.emplace_hint(it, host, user_devices_map{});
|
|
|
|
user_devices_map &users(it->second);
|
|
{
|
|
auto it(users.lower_bound(user_id));
|
|
if(it == end(users) || it->first != user_id)
|
|
it = users.emplace_hint(it, user_id, json::array{});
|
|
|
|
if(!empty(device_ids))
|
|
it->second = device_ids;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|