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Code Issues Releases Wiki Activity

ircd:Ⓜ️:event::auth: Augment missing auth events; check twice; etc.

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This commit is contained in:
Jason Volk 2019-08-17 10:02:48 -07:00
parent 5e6fcf8758
commit a9538fb4e0
1 changed files with 56 additions and 11 deletions
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67
ircd/m_event.cc
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@ -1699,6 +1699,13 @@ ircd::m::event::auth::passfail
ircd::m::event::auth::check(std::nothrow_t,
const event &event)
{
using json::at;
const m::room room
{
at<"room_id"_>(event)
};
const m::event::prev refs{event};
const auto count
{
@ -1706,26 +1713,42 @@ ircd::m::event::auth::check(std::nothrow_t,
};
if(count > 4)
{
log::dwarning
{
"Event %s has an unexpected %zu auth_events references",
string_view{event.event_id},
count,
};
}
const m::event *authv[4];
const m::event::fetch auth[4]
// Vector of contingent event idxs from the event and the present state
m::event::idx idxs[9]
{
{ count > 0? refs.auth_event(0) : event::id{}, std::nothrow },
{ count > 1? refs.auth_event(1) : event::id{}, std::nothrow },
{ count > 2? refs.auth_event(2) : event::id{}, std::nothrow },
{ count > 3? refs.auth_event(3) : event::id{}, std::nothrow },
count > 0? m::index(refs.auth_event(0)): 0UL,
count > 1? m::index(refs.auth_event(1)): 0UL,
count > 2? m::index(refs.auth_event(2)): 0UL,
count > 3? m::index(refs.auth_event(3)): 0UL,
room.get(std::nothrow, "m.room.create", ""),
room.get(std::nothrow, "m.room.power_levels", ""),
room.get(std::nothrow, "m.room.member", at<"sender"_>(event)),
at<"type"_>(event) == "m.room.member" &&
membership(event) == "join"?
room.get(std::nothrow, "m.room.join_rules", ""): 0UL,
at<"type"_>(event) == "m.room.member" &&
at<"sender"_>(event) != at<"state_key"_>(event)?
room.get(std::nothrow, "m.room.member", at<"state_key"_>(event)): 0UL,
};
size_t i(0), j(0);
for(; i < 4; ++i)
m::event::fetch auth[9];
for(size_t i(0); i < 9; ++i)
if(idxs[i])
seek(auth[i], idxs[i], std::nothrow);
size_t i, j;
const m::event *authv[4];
for(i = 0, j = 0; i < 4 && j < 4; ++i)
if(auth[i].valid)
authv[j++] = &auth[i];
@ -1734,7 +1757,29 @@ ircd::m::event::auth::check(std::nothrow_t,
event, {authv, j}
};
return check(std::nothrow, event, data);
auto ret
{
check(std::nothrow, event, data)
};
if(!std::get<bool>(ret) || std::get<std::exception_ptr>(ret))
return ret;
for(i = 4, j = 0; i < 9 && j < 4; ++i)
if(auth[i].valid)
authv[j++] = &auth[i];
data =
{
event, {authv, j}
};
ret =
{
check(std::nothrow, event, data)
};
return ret;
}
ircd::m::event::auth::passfail