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construct/matrix/users.cc

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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.
namespace ircd::m::users
{
static bool for_each_host(const opts &, const user::closure_bool &);
static bool for_each_in_host(const opts &, const user::closure_bool &);
}
decltype(ircd::m::users::opts_default)
ircd::m::users::opts_default;
bool
ircd::m::users::exists(const opts &opts)
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{
return !for_each(opts, []
(const auto &) noexcept
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{
// return false to break and have for_each() returns false
return false;
});
}
size_t
ircd::m::users::count(const opts &opts)
{
size_t ret(0);
for_each(opts, [&ret]
(const auto &) noexcept
{
++ret;
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return true;
});
return ret;
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}
bool
ircd::m::users::for_each(const user::closure_bool &closure)
{
return for_each(opts_default, closure);
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}
bool
ircd::m::users::for_each(const opts &opts,
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const user::closure_bool &closure)
{
// Branch to a better query for hosts when there's no localpart given.
if(opts.hostpart && (!opts.localpart || opts.localpart == "@"))
return for_each_host(opts, closure);
bool ret{true};
events::sender::for_each(opts.localpart, [&opts, &ret, &closure]
(const id::user &sender)
{
if(opts.localpart && !opts.localpart_prefix)
if(sender.local() != opts.localpart)
return false;
if(opts.localpart && opts.localpart_prefix)
if(!startswith(sender.local(), opts.localpart))
return false;
if(opts.hostpart && !opts.hostpart_prefix)
if(sender.host() != opts.hostpart)
return true;
if(opts.hostpart && opts.hostpart_prefix)
if(!startswith(sender.host(), opts.hostpart))
return true;
// Call the user with match.a
ret = closure(sender);
return ret;
});
return ret;
}
bool
ircd::m::users::for_each_host(const opts &opts,
const user::closure_bool &closure)
{
bool ret{true};
events::origin::for_each(opts.hostpart, [&ret, &opts, &closure]
(const string_view &origin)
{
if(opts.hostpart && !opts.hostpart_prefix)
if(origin != opts.hostpart)
return false;
if(opts.hostpart && opts.hostpart_prefix)
if(!startswith(origin, opts.hostpart))
return false;
auto _opts(opts);
_opts.hostpart = origin;
_opts.hostpart_prefix = false;
ret = for_each_in_host(_opts, closure);
return ret;
});
return ret;
}
bool
ircd::m::users::for_each_in_host(const opts &opts,
const user::closure_bool &closure)
{
bool ret{true};
m::user::id::buf last;
events::origin::for_each_in(opts.hostpart, [&opts, &ret, &closure, &last]
(const id::user &sender, const auto &event_idx)
{
if(sender == last)
return true;
if(opts.hostpart && !opts.hostpart_prefix)
if(sender.host() != opts.hostpart)
return false;
if(opts.hostpart && opts.hostpart_prefix)
if(!startswith(sender.host(), opts.hostpart))
return false;
if(opts.localpart && opts.localpart_prefix)
if(!startswith(sender.local(), opts.localpart))
return true;
if(opts.localpart && !opts.localpart_prefix)
if(sender.local() != opts.localpart)
return true;
// Call the user with match.
ret = closure(sender);
last = sender;
return ret;
});
return ret;
}
ircd::m::users::opts::opts(const string_view &query)
{
if(startswith(query, '@') && has(query, ':'))
{
localpart = split(query, ':').first;
hostpart = split(query, ':').second;
hostpart_prefix = !has(hostpart, '.');
return;
}
if(startswith(query, '@'))
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{
localpart = query;
localpart_prefix = true;
return;
}
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if(startswith(query, ':'))
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{
hostpart = lstrip(query, ':');
hostpart_prefix = !has(hostpart, '.');
return;
}
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localpart = query;
localpart_prefix = true;
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}