mirror of
https://github.com/matrix-construct/construct
synced 2024-09-06 16:55:22 +02:00
167 lines
2.9 KiB
C++
167 lines
2.9 KiB
C++
// The Construct
|
|
//
|
|
// Copyright (C) The Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2020 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.
|
|
|
|
bool
|
|
ircd::m::for_each(const event::auth &auth,
|
|
const event::id::closure_bool &closure)
|
|
{
|
|
return json::until(auth, [&closure]
|
|
(const auto &key, const json::array &prevs)
|
|
{
|
|
for(const string_view &prev_ : prevs)
|
|
{
|
|
switch(json::type(prev_))
|
|
{
|
|
// v1 event format
|
|
case json::ARRAY:
|
|
{
|
|
const json::array &prev(prev_);
|
|
const json::string &prev_id(prev.at(0));
|
|
if(!closure(prev_id))
|
|
return false;
|
|
|
|
continue;
|
|
}
|
|
|
|
// v3/v4 event format
|
|
case json::STRING:
|
|
{
|
|
const json::string &prev(prev_);
|
|
if(!closure(prev))
|
|
return false;
|
|
|
|
continue;
|
|
}
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
});
|
|
}
|
|
|
|
//
|
|
// event::auth
|
|
//
|
|
|
|
bool
|
|
ircd::m::event::auth::auth_exist()
|
|
const
|
|
{
|
|
for(size_t i(0); i < auth_events_count(); ++i)
|
|
if(auth_event_exists(i))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::auth::auth_events_exist()
|
|
const
|
|
{
|
|
// the de facto max is really 4 but we accept a little more in this
|
|
// subroutine for whatever forward reason...
|
|
static const auto max
|
|
{
|
|
8UL
|
|
};
|
|
|
|
const auto num
|
|
{
|
|
std::min(auth_events_count(), max)
|
|
};
|
|
|
|
size_t i(0);
|
|
event::id ids[num];
|
|
std::generate(ids, ids + num, [this, &i]
|
|
{
|
|
return auth_event(i++);
|
|
});
|
|
|
|
const auto mask
|
|
{
|
|
m::exists({ids, i})
|
|
};
|
|
|
|
const auto ret
|
|
{
|
|
__builtin_popcountl(mask)
|
|
};
|
|
|
|
assert(size_t(ret) <= max && size_t(ret) <= auth_events_count());
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::auth_event_exists(const size_t &idx)
|
|
const
|
|
{
|
|
return m::exists(auth_event(idx));
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::auth_events_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(size_t i(0); i < auth_events_count(); ++i)
|
|
if(auth_event(i) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::auth::auth_events_count()
|
|
const
|
|
{
|
|
return json::get<"auth_events"_>(*this).count();
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::auth::auth_event(const size_t &idx)
|
|
const
|
|
{
|
|
return std::get<0>(auth_events(idx));
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::json::object>
|
|
ircd::m::event::auth::auth_events(const size_t &idx)
|
|
const
|
|
{
|
|
const string_view &prev_
|
|
{
|
|
json::at<"auth_events"_>(*this).at(idx)
|
|
};
|
|
|
|
switch(json::type(prev_))
|
|
{
|
|
// v1 event format
|
|
case json::ARRAY:
|
|
{
|
|
const json::array &prev(prev_);
|
|
const json::string &prev_id(prev.at(0));
|
|
return {prev_id, prev[1]};
|
|
}
|
|
|
|
// v3/v4 event format
|
|
case json::STRING:
|
|
{
|
|
const json::string &prev_id(prev_);
|
|
return {prev_id, string_view{}};
|
|
}
|
|
|
|
default: throw m::INVALID_MXID
|
|
{
|
|
"auth_events[%zu] is invalid", idx
|
|
};
|
|
}
|
|
}
|