82 lines
3.3 KiB
C++
82 lines
3.3 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) 2016-2018 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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#pragma once
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#define HAVE_IRCD_M_KEYS_H
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namespace ircd::m
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{
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struct keys;
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bool expired(const m::keys &);
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bool verify(const m::keys &, std::nothrow_t) noexcept;
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void verify(const m::keys &);
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std::ostream &pretty(std::ostream &, const m::keys &);
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std::ostream &pretty_oneline(std::ostream &, const m::keys &);
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}
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/// Contains the public keys and proof of identity for a remote server.
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///
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/// A user who wishes to verify a signature from a remote server must have
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/// the name of the server (origin) and the key_id. Calling the appropriate
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/// static function of this class will attempt to fetch the key from the db
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/// or make network requests, with valid response being saved to the db. Keys
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/// are thus managed internally so the user doesn't supply a buffer or ever
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/// construct this object; instead this object backed by internal db data is
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/// presented in the supplied synchronous closure.
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///
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/// 2.2.1.1 Publishing Keys
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///
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/// Key Type, Description
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/// server_name String, DNS name of the homeserver.
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/// verify_keys Object, Public keys of the homeserver for verifying digital signatures.
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/// old_verify_keys Object, The public keys that the server used to use and when it stopped using them.
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/// signatures Object, Digital signatures for this object signed using the verify_keys.
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/// valid_until_ts Integer, POSIX timestamp when the list of valid keys should be refreshed.
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///
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struct ircd::m::keys
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:json::tuple
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<
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json::property<name::old_verify_keys, json::object>,
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json::property<name::server_name, json::string>,
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json::property<name::signatures, json::object>,
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json::property<name::tls_fingerprints, json::array>,
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json::property<name::valid_until_ts, time_t>,
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json::property<name::verify_keys, json::object>
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>
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{
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struct cache;
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using pdus = vector_view<const event>;
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using queries = vector_view<const fed::key::server_key>; // <server, key_id>
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using closure = std::function<void (const json::object &)>;
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using closure_bool = std::function<bool (const json::object &)>;
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static bool get(const queries &, const closure_bool &);
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static bool get(const string_view &server_name, const closure &);
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static bool get(const string_view &server_name, const string_view &key_id, const closure &);
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static bool query(const string_view &remote, const queries &, const closure_bool &, const mutable_buffer &, const bool dynamic = false);
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static bool query(const string_view &remote, const queries &, const closure_bool &);
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static size_t fetch(const queries &);
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static size_t fetch(const pdus &);
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using super_type::tuple;
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using super_type::operator=;
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};
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struct ircd::m::keys::cache
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{
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static bool for_each(const string_view &server, const closure_bool &);
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static bool has(const string_view &server, const string_view &key_id);
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static bool get(const string_view &server, const string_view &key_id, const closure &);
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static size_t set(const json::object &keys);
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};
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