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ircd:Ⓜ️ Add a check_id(event) suite.

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This commit is contained in:
Jason Volk 2019-07-10 00:19:20 -07:00
parent 90bf8f03b8
commit 639b132250
2 changed files with 54 additions and 0 deletions
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2
include/ircd/m/event/event.h
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@ -40,6 +40,8 @@ namespace ircd::m
// Topological comparison
bool before(const event &a, const event &b);
bool check_id(const event &) noexcept;
bool check_id(const event &, const string_view &room_version) noexcept;
id::event make_id(const event &, id::event::buf &buf, const const_buffer &hash);
id::event make_id(const event &, id::event::buf &buf);

52
ircd/m_event.cc
View file

@ -3711,6 +3711,58 @@ ircd::m::make_id(const event &event,
return ret;
}
bool
ircd::m::check_id(const event &event)
noexcept
{
if(!event.event_id)
return false;
const string_view &version
{
event.event_id.version()
};
return check_id(event, version);
}
bool
ircd::m::check_id(const event &event,
const string_view &room_version)
noexcept try
{
const auto &version
{
room_version?: json::get<"event_id"_>(event)? "1": "4"
};
thread_local char buf[64];
m::event::id check_id; switch(hash(version))
{
case "1"_:
case "2"_:
check_id = m::event::id{json::get<"event_id"_>(event)};
break;
case "3"_:
check_id = m::event::id::v3{buf, event};
break;
case "4"_:
case "5"_:
default:
check_id = m::event::id::v4{buf, event};
break;
}
return event.event_id == check_id;
}
catch(...)
{
assert(0);
return false;
}
bool
ircd::m::before(const event &a,
const event &b)