mirror of
https://github.com/matrix-construct/construct
synced 2024-11-01 03:18:54 +01:00
146 lines
3.2 KiB
C++
146 lines
3.2 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.
|
|
|
|
decltype(ircd::m::membership_positive)
|
|
ircd::m::membership_positive
|
|
{
|
|
"join"_sv,
|
|
"invite"_sv,
|
|
};
|
|
|
|
decltype(ircd::m::membership_negative)
|
|
ircd::m::membership_negative
|
|
{
|
|
"leave"_sv,
|
|
"ban"_sv,
|
|
""_sv,
|
|
};
|
|
|
|
bool
|
|
ircd::m::membership(const room &room,
|
|
const user::id &user_id,
|
|
const vector_view<const string_view> &membership)
|
|
{
|
|
const auto event_idx
|
|
{
|
|
room.get(std::nothrow, "m.room.member", user_id)
|
|
};
|
|
|
|
return m::membership(event_idx, membership);
|
|
}
|
|
|
|
bool
|
|
ircd::m::membership(const event::idx &event_idx,
|
|
const vector_view<const string_view> &membership)
|
|
{
|
|
bool ret;
|
|
const auto closure
|
|
{
|
|
[&membership, &ret](const json::object &content)
|
|
{
|
|
const json::string &content_membership
|
|
{
|
|
content["membership"]
|
|
};
|
|
|
|
const auto it
|
|
{
|
|
std::find(begin(membership), end(membership), content_membership)
|
|
};
|
|
|
|
ret = content_membership && it != end(membership);
|
|
}
|
|
};
|
|
|
|
// If the query was successful a membership state exists (even if the
|
|
// string found was illegally empty) thus we must return the value of ret.
|
|
if(m::get(std::nothrow, event_idx, "content", closure))
|
|
return ret;
|
|
|
|
// If the user included an empty string in the vector, they want us to
|
|
// return true for non-membership (i.e a failed query).
|
|
static const auto &empty{[](auto&& s) { return !s; }};
|
|
if(std::any_of(begin(membership), end(membership), empty))
|
|
return true;
|
|
|
|
// If the membership vector itself was empty that's also a non-membership.
|
|
if(membership.empty())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::membership(const m::event &event,
|
|
const vector_view<const string_view> &membership)
|
|
{
|
|
const auto it
|
|
{
|
|
std::find(begin(membership), end(membership), m::membership(event))
|
|
};
|
|
|
|
return it != end(membership);
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::membership(const mutable_buffer &out,
|
|
const room &room,
|
|
const user::id &user_id)
|
|
{
|
|
const auto event_idx
|
|
{
|
|
room.get(std::nothrow, "m.room.member", user_id)
|
|
};
|
|
|
|
return m::membership(out, event_idx);
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::membership(const mutable_buffer &out,
|
|
const event::idx &event_idx)
|
|
{
|
|
return m::query(std::nothrow, event_idx, "content", [&out]
|
|
(const json::object &content) -> string_view
|
|
{
|
|
const json::string &content_membership
|
|
{
|
|
content["membership"]
|
|
};
|
|
|
|
return strlcpy
|
|
{
|
|
out, content_membership
|
|
};
|
|
});
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::membership(const event &event)
|
|
{
|
|
const json::object &content
|
|
{
|
|
json::get<"content"_>(event)
|
|
};
|
|
|
|
const string_view &membership
|
|
{
|
|
json::get<"membership"_>(event)
|
|
};
|
|
|
|
if(membership)
|
|
return membership;
|
|
|
|
const json::string &content_membership
|
|
{
|
|
content.get("membership")
|
|
};
|
|
|
|
return content_membership;
|
|
}
|