mirror of
https://github.com/matrix-construct/construct
synced 2024-08-18 15:44:42 +02:00
268 lines
5.7 KiB
C++
268 lines
5.7 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
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{
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extern hookfn<vm::eval &> _access_token_delete_hook;
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static void _access_token_delete(const m::event &event, m::vm::eval &eval);
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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 device library; modular components."
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};
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::set(const m::user &user,
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const device &device)
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{
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const user::room user_room{user};
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const string_view &device_id
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{
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at<"device_id"_>(device)
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};
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json::for_each(device, [&user, &user_room, &device_id]
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(const auto &prop, auto &&val)
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{
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if(!json::defined(json::value(val)))
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return;
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char buf[m::event::TYPE_MAX_SIZE];
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const string_view type{fmt::sprintf
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{
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buf, "ircd.device.%s", prop
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}};
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m::send(user_room, user, type, device_id,
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{
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{ "", val }
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});
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});
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return true;
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::set(const m::user &user,
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const string_view &id,
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const string_view &prop,
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const string_view &val)
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{
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char buf[m::event::TYPE_MAX_SIZE];
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const string_view type{fmt::sprintf
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{
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buf, "ircd.device.%s", prop
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}};
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const user::room user_room{user};
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m::send(user_room, user, type, id,
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{
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{ "", val }
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});
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return true;
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}
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/// To delete a device we iterate the user's room state for all types matching
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/// ircd.device.* (and ircd.device) which have a state_key of the device_id.
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/// Those events are redacted which removes them from appearing in the state.
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::del(const m::user &user,
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const string_view &id)
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{
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const user::room user_room{user};
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const room::state state{user_room};
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const room::state::type_prefix type
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{
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"ircd.device."
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};
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state.for_each(type, [&user, &id, &user_room, &state]
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(const string_view &type)
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{
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const auto event_idx
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{
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state.get(std::nothrow, type, id)
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};
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const auto event_id
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{
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m::event_id(event_idx, std::nothrow)
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};
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if(event_id)
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m::redact(user_room, user, event_id, "deleted");
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return true;
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});
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return true;
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}
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/// Deletes the access_token associated with a device when the device
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/// (specifically the access_token_id property of that device) is deleted.
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decltype(ircd::m::_access_token_delete_hook)
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ircd::m::_access_token_delete_hook
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{
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_access_token_delete,
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{
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{ "_site", "vm.effect" },
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{ "type", "m.room.redaction" },
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{ "origin", my_host() },
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}
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};
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void
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ircd::m::_access_token_delete(const m::event &event,
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m::vm::eval &eval)
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{
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const auto &target(json::get<"redacts"_>(event));
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if(!target)
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return;
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char buf[std::max(m::event::TYPE_MAX_SIZE, m::id::MAX_SIZE)];
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if(m::get(std::nothrow, target, "type", buf) != "ircd.device.access_token_id"_sv)
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return;
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if(m::get(std::nothrow, target, "sender", buf) != at<"sender"_>(event))
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return;
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m::get(std::nothrow, target, "content", [&event, &target, &buf]
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(const json::object &content)
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{
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const event::id &token_event_id
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{
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unquote(content.at(""))
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};
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m::redact(m::user::tokens, at<"sender"_>(event), token_event_id, "device deleted");
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});
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};
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::has(const m::user &user,
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const string_view &id)
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{
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const user::room user_room{user};
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const room::state state{user_room};
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const room::state::type_prefix type
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{
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"ircd.device."
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};
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bool ret(false);
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state.for_each(type, [&state, &id, &ret]
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(const string_view &type)
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{
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ret = state.has(type, id);
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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_MODULE_EXPORT
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ircd::m::device::has(const m::user &user,
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const string_view &id,
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const string_view &prop)
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{
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bool ret{false};
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get(std::nothrow, user, id, prop, [&ret]
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(const string_view &value)
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{
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ret = !empty(value);
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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::device::get(std::nothrow_t,
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const m::user &user,
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const string_view &id,
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const string_view &prop,
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const closure &closure)
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{
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char buf[m::event::TYPE_MAX_SIZE];
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const string_view type{fmt::sprintf
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{
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buf, "ircd.device.%s", prop
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}};
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const m::user::room user_room{user};
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const m::room::state state{user_room};
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const auto event_idx
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{
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state.get(std::nothrow, type, id)
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};
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return m::get(std::nothrow, event_idx, "content", [&closure]
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(const json::object &content)
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{
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const string_view &value
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{
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content.get("")
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};
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closure(value);
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});
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::for_each(const m::user &user,
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const string_view &device_id,
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const closure_bool &closure)
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{
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const m::user::room user_room{user};
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const m::room::state state{user_room};
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const room::state::type_prefix type
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{
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"ircd.device."
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};
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return state.for_each(type, [&state, &device_id, &closure]
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(const string_view &type)
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{
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const string_view &prop
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{
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lstrip(type, "ircd.device.")
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};
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return state.has(type, device_id)?
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closure(prop):
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true;
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});
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::device::for_each(const m::user &user,
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const closure_bool &closure)
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{
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const m::room::state::keys_bool state_key{[&closure]
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(const string_view &state_key)
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{
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return closure(state_key);
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}};
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const m::user::room user_room{user};
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const m::room::state state{user_room};
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return state.for_each("ircd.device.device_id", state_key);
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}
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