mirror of
https://github.com/matrix-construct/construct
synced 2024-08-18 23:54:55 +02:00
155 lines
3.6 KiB
C++
155 lines
3.6 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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namespace ircd::m::users
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{
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static bool for_each_host(const opts &, const user::closure_bool &);
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static bool for_each_in_host(const opts &, const user::closure_bool &);
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}
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ircd::mapi::header
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IRCD_MODULE
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{
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"Matrix users interface"
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};
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decltype(ircd::m::users::opts_default)
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ircd::m::users::opts_default;
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bool
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IRCD_MODULE_EXPORT
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ircd::m::users::exists(const opts &opts)
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{
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return !for_each(opts, []
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(const auto &)
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{
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// return false to break and have for_each() returns false
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return false;
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});
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}
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size_t
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IRCD_MODULE_EXPORT
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ircd::m::users::count(const opts &opts)
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{
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size_t ret(0);
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for_each(opts, [&ret](const auto &)
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{
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++ret;
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return true;
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});
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return ret;
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::users::for_each(const user::closure_bool &closure)
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{
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return for_each(opts_default, closure);
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::users::for_each(const opts &opts,
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const user::closure_bool &closure)
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{
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// Note: if opts.hostpart is given then for_each_host() will close over
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// that host, so no branch is needed here.
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return for_each_host(opts, closure);
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}
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bool
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ircd::m::users::for_each_host(const opts &opts,
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const user::closure_bool &closure)
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{
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bool ret{true};
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events::for_each_origin(opts.hostpart, [&ret, &opts, &closure]
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(const string_view &origin)
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{
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// The events:: iteration interface works with prefixes; if our
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// user wants to iterate users on exactly a single server, we test
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// for an exact match here and can break from the loop if no match.
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if(opts.hostpart && !opts.hostpart_prefix)
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if(origin != opts.hostpart)
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return false;
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auto _opts(opts);
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_opts.hostpart = origin;
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ret = for_each_in_host(_opts, closure);
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return ret;
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});
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return ret;
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}
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bool
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ircd::m::users::for_each_in_host(const opts &opts,
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const user::closure_bool &closure)
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{
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assert(opts.hostpart);
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bool ret{true};
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events::for_each_sender(opts.hostpart, [&opts, &ret, &closure]
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(const id::user &sender)
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{
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// The events:: iteration interface only tests if the sender's
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// hostpart startswith our queried hostpart; we want an exact
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// match here, otherwise our loop can finish.
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if(sender.host() != opts.hostpart)
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return false;
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// Skip this entry if the user wants a prefix match on the localpart
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// and this mxid doesn't match.
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if(opts.localpart && opts.localpart_prefix)
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if(!startswith(sender.local(), opts.localpart))
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return true;
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// Skip this entry if the user wants an exact match on the localpart
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// and this mxid doesn't match.
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if(opts.localpart && !opts.localpart_prefix)
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if(sender.local() != opts.localpart)
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return true;
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// Call the user with match.
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ret = closure(sender);
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return ret;
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});
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return ret;
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}
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IRCD_MODULE_EXPORT
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ircd::m::users::opts::opts(const string_view &query)
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{
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if(startswith(query, '@') && has(query, ':'))
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{
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localpart = split(query, ':').first;
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hostpart = split(query, ':').second;
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return;
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}
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if(startswith(query, '@'))
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{
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localpart = query;
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localpart_prefix = true;
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return;
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}
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if(startswith(query, ':'))
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{
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hostpart = lstrip(query, ':');
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return;
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}
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hostpart = query;
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hostpart_prefix = true;
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}
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