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construct/modules/client/rooms/join.cc

293 lines
5.7 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.
#include "rooms.h"
using namespace ircd::m;
using namespace ircd;
static event::id::buf
bootstrap(const string_view &host,
const m::room::id &room_id,
const m::user::id &user_id);
extern "C" event::id::buf
join__room_user(const room &room,
const id::user &user_id);
extern "C" event::id::buf
join__alias_user(const m::room::alias &room_alias,
const m::user::id &user_id);
resource::response
post__join(client &client,
const resource::request &request,
const room::id &room_id)
{
const string_view &third_party_signed
{
unquote(request["third_party_signed"])
};
const string_view &server_name
{
unquote(request["server_name"])
};
join__room_user(room_id, request.user_id);
return resource::response
{
client, json::members
{
{ "room_id", room_id }
}
};
}
event::id::buf
join__room_user(const room &room,
const id::user &user_id)
{
if(!exists(room))
{
const auto &room_id(room.room_id);
return bootstrap(room_id.host(), room_id, user_id); //TODO: host
}
json::iov event;
json::iov content;
const json::iov::push push[]
{
{ event, { "type", "m.room.member" }},
{ event, { "sender", user_id }},
{ event, { "state_key", user_id }},
{ content, { "membership", "join" }},
};
const m::user user{user_id};
const m::user::profile profile{user};
char displayname_buf[256];
const string_view displayname
{
profile.get(displayname_buf, "displayname")
};
char avatar_url_buf[256];
const string_view avatar_url
{
profile.get(avatar_url_buf, "avatar_url")
};
const json::iov::add _displayname
{
content, !empty(displayname),
{
"displayname", [&displayname]() -> json::value
{
return displayname;
}
}
};
const json::iov::add _avatar_url
{
content, !empty(avatar_url),
{
"avatar_url", [&avatar_url]() -> json::value
{
return avatar_url;
}
}
};
return commit(room, event, content);
}
event::id::buf
join__alias_user(const m::room::alias &room_alias,
const m::user::id &user_id)
{
const room::id::buf room_id
{
m::room_id(room_alias)
};
if(!exists(room_id))
return bootstrap(room_alias.host(), room_id, user_id);
return join__room_user(room_id, user_id);
}
conf::item<seconds>
make_join_timeout
{
{ "name", "ircd.client.rooms.join.make_join.timeout" },
{ "default", 15L },
};
conf::item<seconds>
send_join_timeout
{
{ "name", "ircd.client.rooms.join_send_join.timeout" },
{ "default", 45L /* spinappse */ },
};
static event::id::buf
bootstrap(const string_view &host,
const m::room::id &room_id,
const m::user::id &user_id)
{
const unique_buffer<mutable_buffer> buf
{
16_KiB
};
m::v1::make_join::opts mjopts
{
net::hostport{host}
};
m::v1::make_join request
{
room_id, user_id, buf, std::move(mjopts)
};
request.wait(seconds(make_join_timeout));
const auto code
{
request.get()
};
const json::object &response
{
request.in.content
};
const json::object &proto
{
response.at("event")
};
const auto auth_events
{
replace(std::string{proto.get("auth_events")}, "\\/", "/")
};
const auto prev_events
{
replace(std::string{proto.get("prev_events")}, "\\/", "/")
};
json::iov event;
json::iov content;
const json::iov::push push[]
{
{ event, { "type", "m.room.member" }},
{ event, { "sender", user_id }},
{ event, { "state_key", user_id }},
{ content, { "membership", "join" }},
{ event, { "prev_events", prev_events }},
{ event, { "auth_events", auth_events }},
{ event, { "prev_state", "[]" }},
{ event, { "depth", proto.get<long>("depth") }},
{ event, { "room_id", room_id }},
};
const m::user user{user_id};
const m::user::profile profile{user};
char displayname_buf[256];
const string_view displayname
{
profile.get(displayname_buf, "displayname")
};
char avatar_url_buf[256];
const string_view avatar_url
{
profile.get(avatar_url_buf, "avatar_url")
};
const json::iov::add _displayname
{
content, !empty(displayname),
{
"displayname", [&displayname]() -> json::value
{
return displayname;
}
}
};
const json::iov::add _avatar_url
{
content, !empty(avatar_url),
{
"avatar_url", [&avatar_url]() -> json::value
{
return avatar_url;
}
}
};
m::vm::copts opts;
opts.history = false;
opts.infolog_accept = true;
const m::event::id::buf event_id
{
m::vm::eval
{
event, content, opts
}
};
const unique_buffer<mutable_buffer> ebuf
{
64_KiB
};
const m::event::fetch mevent
{
event_id
};
const string_view strung
{
mevent.source?
string_view{mevent.source}:
string_view{data(ebuf), serialized(mevent)}
};
const unique_buffer<mutable_buffer> buf2
{
16_KiB
};
m::v1::send_join::opts sjopts
{
net::hostport{host}
};
m::v1::send_join sj
{
room_id, event_id, strung, buf2, std::move(sjopts)
};
sj.wait(seconds(send_join_timeout));
const auto sjcode
{
sj.get()
};
return event_id;
}