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construct/modules/client/presence.cc

336 lines
5.6 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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
{
"Client 11.6 :Presence"
};
ircd::resource
presence_resource
{
"/_matrix/client/r0/presence/", resource::opts
{
"(11.6.2) Presence",
resource::DIRECTORY,
}
};
const string_view
valid_states[]
{
"online", "offline", "unavailable"
};
static bool
valid_state(const string_view &state)
{
return std::any_of(begin(valid_states), end(valid_states), [&state]
(const string_view &valid)
{
return state == valid;
});
}
static resource::response
put__presence_status(client &client,
const resource::request &request,
const m::user::id &user_id)
{
const string_view &presence
{
unquote(request.at("presence"))
};
if(!valid_state(presence))
throw m::UNSUPPORTED
{
"That presence state is not supported"
};
const string_view &status_msg
{
trunc(unquote(request["status_msg"]), 390)
};
json::iov content;
const json::iov::push _presence[]
{
{ content, { "presence", presence } },
{ content, { "user_id", user_id } },
};
const json::iov::set_if _status_msg
{
content, !empty(status_msg),
{
"status_msg", status_msg
}
};
const m::user::room user_room
{
user_id
};
send(user_room, user_id, "m.presence", content);
return resource::response
{
client, http::OK
};
}
resource::response
put__presence(client &client,
const resource::request &request)
{
if(request.parv.size() < 1)
throw m::NEED_MORE_PARAMS
{
"user_id required"
};
m::user::id::buf user_id
{
url::decode(request.parv[0], user_id)
};
if(user_id != request.user_id)
throw m::FORBIDDEN
{
"You cannot set the presence of '%s' when you are '%s'",
user_id,
request.user_id
};
if(request.parv.size() < 2)
throw m::NEED_MORE_PARAMS
{
"command required"
};
const auto &cmd
{
request.parv[1]
};
if(cmd == "status")
return put__presence_status(client, request, user_id);
throw m::NOT_FOUND
{
"Presence command not found"
};
}
resource::method
method_put
{
presence_resource, "PUT", put__presence,
{
method_put.REQUIRES_AUTH
}
};
static resource::response
get__presence_status(client &client,
const resource::request &request,
const m::user::id &user_id)
{
const m::user::room user_room
{
user_id
};
user_room.get("m.presence", [&client]
(const m::event &event)
{
const auto &content
{
at<"content"_>(event)
};
json::iov response;
const json::iov::push _presence
{
response, { "presence", content.at("presence") }
};
const json::iov::set_if _status_msg
{
response, content.has("status_msg"),
{
"status_msg", content.at("status_msg")
}
};
//TODO: better last_active_ago
const auto last_active_ago
{
ircd::now<milliseconds>() - milliseconds(at<"origin_server_ts"_>(event))
};
const json::iov::push _last_active_ago
{
response, { "last_active_ago", last_active_ago.count() }
};
//TODO: better currently_active
const bool currently_active
{
content.at("presence") == "online"
};
const json::iov::push _currently_active
{
response, { "currently_active", currently_active }
};
resource::response
{
client, response
};
});
return {}; // responded from closure
}
static resource::response
get__presence_list(client &client,
const resource::request &request)
{
if(request.parv.size() < 2)
throw m::NEED_MORE_PARAMS
{
"user_id required"
};
m::user::id::buf user_id
{
url::decode(request.parv[1], user_id)
};
const m::user::room user_room
{
user_id
};
//TODO: reuse composition from /status
std::vector<json::value> list;
return resource::response
{
client, json::value
{
list.data(), list.size()
}
};
}
resource::response
get__presence(client &client,
const resource::request &request)
{
if(request.parv.size() < 1)
throw m::NEED_MORE_PARAMS
{
"user_id or command required"
};
if(request.parv[0] == "list")
return get__presence_list(client, request);
m::user::id::buf user_id
{
url::decode(request.parv[0], user_id)
};
if(request.parv.size() < 2)
throw m::NEED_MORE_PARAMS
{
"command required"
};
const auto &cmd
{
request.parv[1]
};
if(cmd == "status")
return get__presence_status(client, request, user_id);
throw m::NOT_FOUND
{
"Presence command not found"
};
}
resource::method
method_get
{
presence_resource, "GET", get__presence
};
static resource::response
post__presence_list(client &client,
const resource::request &request)
{
if(request.parv.size() < 2)
throw m::NEED_MORE_PARAMS
{
"user_id required"
};
m::user::id::buf user_id
{
url::decode(request.parv[1], user_id)
};
const m::user::room user_room
{
user_id
};
return resource::response
{
client, http::OK
};
}
resource::response
post__presence(client &client,
const resource::request &request)
{
if(request.parv.size() < 1)
throw m::NEED_MORE_PARAMS
{
"command required"
};
if(request.parv[0] == "list")
return get__presence_list(client, request);
throw m::NOT_FOUND
{
"Presence command not found"
};
}
resource::method
method_post
{
presence_resource, "POST", post__presence,
{
method_post.REQUIRES_AUTH
}
};