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construct/modules/client/rooms/join.cc

240 lines
5 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 m::room::alias &room_alias,
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"])
};
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))
throw m::NOT_FOUND
{
"Not aware of room %s",
string_view{room.room_id}
};
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 }},
{ event, { "membership", "join" }},
{ content, { "membership", "join" }},
};
const m::user user
{
user_id
};
char displayname_buf[256];
const string_view displayname
{
user.profile(displayname_buf, "displayname")
};
char avatar_url_buf[256];
const string_view avatar_url
{
user.profile(avatar_url_buf, "avatar_url")
};
const json::iov::add_if add_if[]
{
{ content, !empty(displayname), { "displayname", displayname }},
{ content, !empty(avatar_url), { "avatar_url", 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, room_id, user_id);
return join__room_user(room_id, user_id);
}
static event::id::buf
bootstrap(const m::room::alias &room_alias,
const m::room::id &room_id,
const m::user::id &user_id)
{
const unique_buffer<mutable_buffer> buf
{
16_KiB
};
m::v1::make_join request
{
room_id, user_id, buf, { room_alias.host() }
};
request.wait(seconds(8)); //TODO: conf
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 }},
{ event, { "membership", "join" }},
{ 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
};
char displayname_buf[256];
const string_view displayname
{
user.profile(displayname_buf, "displayname")
};
char avatar_url_buf[256];
const string_view avatar_url
{
user.profile(avatar_url_buf, "avatar_url")
};
const json::iov::add_if add_if[]
{
{ content, !empty(displayname), { "displayname", displayname }},
{ content, !empty(avatar_url), { "avatar_url", avatar_url }},
};
m::vm::copts opts;
opts.non_conform.set(m::event::conforms::MISSING_MEMBERSHIP);
opts.non_conform.set(m::event::conforms::MISSING_PREV_STATE);
opts.prev_check_exists = false;
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 mevent
{
event_id, ebuf
};
const string_view strung
{
data(ebuf), serialized(mevent)
};
const unique_buffer<mutable_buffer> buf2
{
16_KiB
};
m::v1::send_join sj
{
room_id, event_id, strung, buf2, { room_alias.host() }
};
sj.wait(seconds(8)); //TODO: conf
const auto sjcode
{
sj.get()
};
return event_id;
}