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construct/modules/client/rooms/invite.cc

279 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"
namespace ircd::m
{
static event::id::buf invite_foreign(const event &);
static void on_invite_foreign(const event &, vm::eval &);
extern hookfn<vm::eval &> invite_foreign_hook;
}
decltype(ircd::m::invite_foreign_hook)
ircd::m::invite_foreign_hook
{
on_invite_foreign,
{
{ "_site", "vm.issue" },
{ "type", "m.room.member" },
{ "membership", "invite" },
}
};
ircd::m::resource::response
post__invite(ircd::client &client,
const ircd::m::resource::request &request,
const ircd::m::room::id &room_id)
{
using namespace ircd;
const m::user::id &target
{
unquote(request.at("user_id"))
};
const m::user::id &sender
{
request.user_id
};
const auto event_id
{
m::invite(room_id, target, sender)
};
return m::resource::response
{
client, http::OK
};
}
ircd::m::event::id::buf
IRCD_MODULE_EXPORT
ircd::m::invite(const m::room &room,
const m::user::id &target,
const m::user::id &sender,
json::iov &content)
{
json::iov event;
const json::iov::push push[]
{
{ event, { "type", "m.room.member" }},
{ event, { "sender", sender }},
{ event, { "state_key", target }},
{ content, { "membership", "invite" }},
};
return commit(room, event, content);
}
void
ircd::m::on_invite_foreign(const event &event,
vm::eval &eval)
{
const m::room::id &room_id
{
at<"room_id"_>(event)
};
const m::user::id &target
{
at<"state_key"_>(event)
};
const auto target_host
{
target.host()
};
if(m::my_host(target_host))
return;
const m::room::origins origins
{
room_id
};
if(origins.has(target_host))
return;
const auto eid
{
invite_foreign(event)
};
}
ircd::m::event::id::buf
ircd::m::invite_foreign(const event &event)
try
{
const auto &event_id
{
event.event_id
};
const m::room::id &room_id
{
at<"room_id"_>(event)
};
const m::user::id &target
{
at<"state_key"_>(event)
};
assert(!my(target));
const unique_buffer<mutable_buffer> bufs
{
148_KiB
};
json::stack out{bufs};
json::stack::object top{out};
{
char versionbuf[32];
json::stack::member room_version
{
top, "room_version", json::value
{
m::version(versionbuf, room_id, std::nothrow), json::STRING
}
};
}
{
json::stack::object _event
{
top, "event"
};
_event.append(event);
}
{
json::stack::array invite_room_state
{
top, "invite_room_state"
};
const auto append
{
[&invite_room_state](const m::event &event)
{
invite_room_state.append(event);
}
};
const m::room::state state
{
room_id
};
state.get(std::nothrow, "m.room.create", "", append);
state.get(std::nothrow, "m.room.power_levels", "", append);
state.get(std::nothrow, "m.room.join_rules", "", append);
state.get(std::nothrow, "m.room.history_visibility", "", append);
state.get(std::nothrow, "m.room.aliases", my_host(), append);
state.get(std::nothrow, "m.room.canonical_alias", "", append);
state.get(std::nothrow, "m.room.avatar", "", append);
state.get(std::nothrow, "m.room.name", "", append);
state.get(std::nothrow, "m.room.member", at<"sender"_>(event), append);
}
top.~object();
const string_view &proto
{
out.completed()
};
const mutable_buffer buf
{
bufs + size(proto)
};
m::v2::invite::opts opts;
opts.remote = target.host();
m::v2::invite request
{
room_id, event_id, proto, buf, std::move(opts)
};
http::code rcode; try
{
request.wait(seconds(10)); //TODO: conf
rcode = request.get();
}
catch(const http::error &e)
{
log::error
{
"Invite %s to %s :%s :%s",
string_view{event.event_id},
string(opts.remote),
e.what(),
e.content,
};
throw;
}
const json::object response
{
request
};
m::event::id::buf revent_id;
const m::event &revent
{
revent_id, response.at("event")
};
if(!verify(revent, target.host()))
throw m::error
{
http::UNAUTHORIZED, "M_INVITE_UNSIGNED",
"Invitee's host '%s' did not sign the invite.",
target.host()
};
if(!verify(revent, my_host()))
throw m::error
{
http::FORBIDDEN, "M_INVITE_MODIFIED",
"Invite event no longer verified by our signature."
};
log::info
{
m::log, "Invite %s in %s accepted by '%s'",
string_view{event.event_id},
string_view{room_id},
string_view{target.host()},
};
m::vm::opts vmopts;
vmopts.infolog_accept = true;
m::vm::eval(revent, vmopts);
return revent.event_id;
}
catch(const std::exception &e)
{
log::error
{
"Invite remote %s :%s",
string_view{event.event_id},
e.what(),
};
throw;
}