mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 16:00:57 +01:00
2502 lines
45 KiB
C++
2502 lines
45 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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///////////////////////////////////////////////////////////////////////////////
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//
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// event/pretty.h
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//
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std::string
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ircd::m::pretty(const event &event)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty(s, event);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty(std::ostream &s,
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const event &e)
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{
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using prototype = std::ostream &(std::ostream &, const event &);
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static mods::import<prototype> pretty
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{
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"m_event", "ircd::m::pretty"
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};
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return pretty(s, e);
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}
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std::string
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ircd::m::pretty_oneline(const event &event,
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const bool &content_keys)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_oneline(s, event, content_keys);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_oneline(std::ostream &s,
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const event &e,
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const bool &content_keys)
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{
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using prototype = std::ostream &(std::ostream &, const event &, const bool &);
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static mods::import<prototype> pretty_oneline
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{
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"m_event", "ircd::m::pretty_oneline"
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};
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return pretty_oneline(s, e, content_keys);
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}
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std::string
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ircd::m::pretty_msgline(const event &event)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_msgline(s, event);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_msgline(std::ostream &s,
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const event &e)
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{
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using prototype = std::ostream &(std::ostream &, const event &);
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static mods::import<prototype> pretty_msgline
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{
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"m_event", "ircd::m::pretty_msgline"
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};
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pretty_msgline(s, e);
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return s;
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}
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std::string
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ircd::m::pretty(const event::prev &prev)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty(s, prev);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty(std::ostream &s,
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const event::prev &prev)
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{
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using prototype = std::ostream &(std::ostream &, const event::prev &);
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static mods::import<prototype> pretty
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{
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"m_event", "ircd::m::pretty"
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};
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pretty(s, prev);
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return s;
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}
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std::string
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ircd::m::pretty_oneline(const event::prev &prev)
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{
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std::string ret;
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std::stringstream s;
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pubsetbuf(s, ret, 4096);
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pretty_oneline(s, prev);
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resizebuf(s, ret);
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return ret;
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}
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std::ostream &
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ircd::m::pretty_oneline(std::ostream &s,
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const event::prev &prev)
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{
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using prototype = std::ostream &(std::ostream &, const event::prev &);
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static mods::import<prototype> pretty_oneline
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{
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"m_event", "ircd::m::pretty_oneline"
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};
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pretty_oneline(s, prev);
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return s;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// event/append.h
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//
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void
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ircd::m::append(json::stack::array &array,
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const event &event_,
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const event_append_opts &opts)
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{
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json::stack::object object
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{
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array
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};
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append(object, event_, opts);
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}
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void
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ircd::m::append(json::stack::object &object,
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const event &event_,
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const event_append_opts &opts)
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{
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using prototype = void (json::stack::object &, const event &, const event_append_opts &);
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static mods::import<prototype> call
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{
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"m_event", "ircd::m::append"
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};
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call(object, event_, opts);
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// event/conforms.h
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//
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namespace ircd::m
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{
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const size_t event_conforms_num{num_of<event::conforms::code>()};
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extern const std::array<string_view, event_conforms_num> event_conforms_reflects;
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}
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decltype(ircd::m::event_conforms_reflects)
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ircd::m::event_conforms_reflects
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{
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"INVALID_OR_MISSING_EVENT_ID",
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"INVALID_OR_MISSING_ROOM_ID",
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"INVALID_OR_MISSING_SENDER_ID",
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"MISSING_TYPE",
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"MISSING_ORIGIN",
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"INVALID_ORIGIN",
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"INVALID_OR_MISSING_REDACTS_ID",
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"MISSING_CONTENT_MEMBERSHIP",
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"INVALID_CONTENT_MEMBERSHIP",
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"MISSING_MEMBER_STATE_KEY",
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"INVALID_MEMBER_STATE_KEY",
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"MISSING_PREV_EVENTS",
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"MISSING_PREV_STATE",
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"MISSING_AUTH_EVENTS",
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"DEPTH_NEGATIVE",
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"DEPTH_ZERO",
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"MISSING_SIGNATURES",
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"MISSING_ORIGIN_SIGNATURE",
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"MISMATCH_ORIGIN_SENDER",
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"MISMATCH_ORIGIN_EVENT_ID",
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"MISMATCH_CREATE_SENDER",
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"MISMATCH_ALIASES_STATE_KEY",
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"SELF_REDACTS",
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"SELF_PREV_EVENT",
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"SELF_PREV_STATE",
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"SELF_AUTH_EVENT",
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"DUP_PREV_EVENT",
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"DUP_PREV_STATE",
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"DUP_AUTH_EVENT",
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};
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std::ostream &
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ircd::m::operator<<(std::ostream &s, const event::conforms &conforms)
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{
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thread_local char buf[1024];
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s << conforms.string(buf);
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return s;
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}
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ircd::string_view
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ircd::m::reflect(const event::conforms::code &code)
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try
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{
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return event_conforms_reflects.at(code);
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}
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catch(const std::out_of_range &e)
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{
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return "??????"_sv;
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}
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ircd::m::event::conforms::code
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ircd::m::event::conforms::reflect(const string_view &name)
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{
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const auto it
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{
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std::find(begin(event_conforms_reflects), end(event_conforms_reflects), name)
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};
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if(it == end(event_conforms_reflects))
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throw std::out_of_range
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{
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"There is no event::conforms code by that name."
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};
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return code(std::distance(begin(event_conforms_reflects), it));
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}
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ircd::m::event::conforms::conforms(const event &e,
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const uint64_t &skip)
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:conforms{e}
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{
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report &= ~skip;
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}
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ircd::m::event::conforms::conforms(const event &e)
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:report{0}
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{
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if(!valid(m::id::EVENT, json::get<"event_id"_>(e)))
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set(INVALID_OR_MISSING_EVENT_ID);
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if(!valid(m::id::ROOM, json::get<"room_id"_>(e)))
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set(INVALID_OR_MISSING_ROOM_ID);
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if(!valid(m::id::USER, json::get<"sender"_>(e)))
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set(INVALID_OR_MISSING_SENDER_ID);
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if(empty(json::get<"type"_>(e)))
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set(MISSING_TYPE);
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if(empty(json::get<"origin"_>(e)))
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set(MISSING_ORIGIN);
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//TODO: XXX
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if(false)
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set(INVALID_ORIGIN);
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if(empty(json::get<"signatures"_>(e)))
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set(MISSING_SIGNATURES);
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if(empty(json::object{json::get<"signatures"_>(e).get(json::get<"origin"_>(e))}))
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set(MISSING_ORIGIN_SIGNATURE);
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if(!has(INVALID_OR_MISSING_SENDER_ID))
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if(json::get<"origin"_>(e) != m::id::user{json::get<"sender"_>(e)}.host())
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set(MISMATCH_ORIGIN_SENDER);
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if(!has(INVALID_OR_MISSING_EVENT_ID))
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if(json::get<"origin"_>(e) != m::id::event{json::get<"event_id"_>(e)}.host())
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set(MISMATCH_ORIGIN_EVENT_ID);
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if(json::get<"type"_>(e) == "m.room.create")
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if(m::room::id(json::get<"room_id"_>(e)).host() != m::user::id(json::get<"sender"_>(e)).host())
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set(MISMATCH_CREATE_SENDER);
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if(json::get<"type"_>(e) == "m.room.aliases")
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if(m::user::id(json::get<"sender"_>(e)).host() != json::get<"state_key"_>(e))
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set(MISMATCH_ALIASES_STATE_KEY);
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if(json::get<"type"_>(e) == "m.room.redaction")
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if(!valid(m::id::EVENT, json::get<"redacts"_>(e)))
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set(INVALID_OR_MISSING_REDACTS_ID);
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if(json::get<"redacts"_>(e))
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if(json::get<"redacts"_>(e) == json::get<"event_id"_>(e))
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set(SELF_REDACTS);
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if(json::get<"type"_>(e) == "m.room.member")
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if(empty(unquote(json::get<"content"_>(e).get("membership"))))
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set(MISSING_CONTENT_MEMBERSHIP);
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if(json::get<"type"_>(e) == "m.room.member")
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if(!all_of<std::islower>(unquote(json::get<"content"_>(e).get("membership"))))
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set(INVALID_CONTENT_MEMBERSHIP);
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if(json::get<"type"_>(e) == "m.room.member")
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if(empty(json::get<"state_key"_>(e)))
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set(MISSING_MEMBER_STATE_KEY);
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if(json::get<"type"_>(e) == "m.room.member")
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if(!valid(m::id::USER, json::get<"state_key"_>(e)))
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set(INVALID_MEMBER_STATE_KEY);
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if(json::get<"type"_>(e) != "m.room.create")
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if(empty(json::get<"prev_events"_>(e)))
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set(MISSING_PREV_EVENTS);
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/*
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if(json::get<"type"_>(e) != "m.room.create")
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if(!empty(json::get<"state_key"_>(e)))
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if(empty(json::get<"prev_state"_>(e)))
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set(MISSING_PREV_STATE);
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*/
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if(json::get<"type"_>(e) != "m.room.create")
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if(empty(json::get<"auth_events"_>(e)))
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set(MISSING_AUTH_EVENTS);
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if(json::get<"depth"_>(e) != json::undefined_number && json::get<"depth"_>(e) < 0)
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set(DEPTH_NEGATIVE);
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if(json::get<"type"_>(e) != "m.room.create")
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if(json::get<"depth"_>(e) == 0)
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set(DEPTH_ZERO);
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const prev p{e};
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size_t i{0}, j{0};
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for(const json::array &pe : json::get<"prev_events"_>(p))
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{
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if(unquote(pe.at(0)) == json::get<"event_id"_>(e))
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set(SELF_PREV_EVENT);
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j = 0;
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for(const json::array &pe_ : json::get<"prev_events"_>(p))
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if(i != j++)
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if(pe_.at(0) == pe.at(0))
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set(DUP_PREV_EVENT);
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++i;
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}
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i = 0;
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for(const json::array &ps : json::get<"prev_state"_>(p))
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{
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if(unquote(ps.at(0)) == json::get<"event_id"_>(e))
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set(SELF_PREV_STATE);
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j = 0;
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for(const json::array &ps_ : json::get<"prev_state"_>(p))
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if(i != j++)
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if(ps_.at(0) == ps.at(0))
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set(DUP_PREV_STATE);
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++i;
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}
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i = 0;
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for(const json::array &ps : json::get<"auth_events"_>(p))
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{
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if(unquote(ps.at(0)) == json::get<"event_id"_>(e))
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set(SELF_AUTH_EVENT);
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j = 0;
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for(const json::array &ps_ : json::get<"auth_events"_>(p))
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if(i != j++)
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if(ps_.at(0) == ps.at(0))
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set(DUP_AUTH_EVENT);
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++i;
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}
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}
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void
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ircd::m::event::conforms::operator|=(const code &code)
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&
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{
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set(code);
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}
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void
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ircd::m::event::conforms::del(const code &code)
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{
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report &= ~(1UL << code);
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}
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void
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ircd::m::event::conforms::set(const code &code)
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{
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report |= (1UL << code);
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}
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ircd::string_view
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ircd::m::event::conforms::string(const mutable_buffer &out)
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const
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{
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mutable_buffer buf{out};
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for(uint64_t i(0); i < num_of<code>(); ++i)
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{
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if(!has(code(i)))
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continue;
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if(begin(buf) != begin(out))
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consume(buf, copy(buf, " "_sv));
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consume(buf, copy(buf, m::reflect(code(i))));
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}
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return { data(out), begin(buf) };
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}
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bool
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ircd::m::event::conforms::has(const code &code)
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const
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{
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return report & (1UL << code);
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}
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bool
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ircd::m::event::conforms::has(const uint &code)
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const
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{
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return (report & (1UL << code)) == code;
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}
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bool
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ircd::m::event::conforms::operator!()
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const
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{
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return clean();
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}
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ircd::m::event::conforms::operator bool()
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const
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{
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return !clean();
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}
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bool
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ircd::m::event::conforms::clean()
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const
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{
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return report == 0;
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}
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|
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///////////////////////////////////////////////////////////////////////////////
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//
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// event/prefetch.h
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//
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void
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ircd::m::prefetch(const event::id &event_id,
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const event::fetch::opts &opts)
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{
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prefetch(index(event_id), opts);
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}
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void
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ircd::m::prefetch(const event::id &event_id,
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const string_view &key)
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{
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prefetch(index(event_id), key);
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}
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void
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ircd::m::prefetch(const event::idx &event_idx,
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const event::fetch::opts &opts)
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{
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const event::keys keys{opts.keys};
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const vector_view<const string_view> cols{keys};
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for(const auto &col : cols)
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if(col)
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prefetch(event_idx, col);
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}
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void
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ircd::m::prefetch(const event::idx &event_idx,
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const string_view &key)
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{
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const auto &column_idx
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{
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json::indexof<event>(key)
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};
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auto &column
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{
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dbs::event_column.at(column_idx)
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};
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db::prefetch(column, byte_view<string_view>{event_idx});
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// event/cached.h
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//
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|
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bool
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ircd::m::cached(const id::event &event_id)
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{
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return cached(event_id, event::fetch::default_opts);
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}
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bool
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ircd::m::cached(const id::event &event_id,
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const event::fetch::opts &opts)
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{
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if(!db::cached(dbs::event_idx, event_id, opts.gopts))
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return false;
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const event::idx event_idx
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{
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index(event_id, std::nothrow)
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};
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return event_idx?
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cached(event_idx, opts.gopts):
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false;
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}
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bool
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ircd::m::cached(const event::idx &event_idx)
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{
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return cached(event_idx, event::fetch::default_opts);
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}
|
|
|
|
bool
|
|
ircd::m::cached(const event::idx &event_idx,
|
|
const event::fetch::opts &opts)
|
|
{
|
|
const byte_view<string_view> &key
|
|
{
|
|
event_idx
|
|
};
|
|
|
|
if(event::fetch::should_seek_json(opts))
|
|
return db::cached(dbs::event_json, key, opts.gopts);
|
|
|
|
const auto &selection
|
|
{
|
|
opts.keys
|
|
};
|
|
|
|
const auto result
|
|
{
|
|
cached_keys(event_idx, opts)
|
|
};
|
|
|
|
for(size_t i(0); i < selection.size(); ++i)
|
|
{
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(i)
|
|
};
|
|
|
|
if(column && selection.test(i) && !result.test(i))
|
|
{
|
|
if(!db::has(column, key, opts.gopts))
|
|
continue;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
ircd::m::event::keys::selection
|
|
ircd::m::cached_keys(const event::idx &event_idx,
|
|
const event::fetch::opts &opts)
|
|
{
|
|
const byte_view<string_view> &key
|
|
{
|
|
event_idx
|
|
};
|
|
|
|
event::keys::selection ret(0);
|
|
const event::keys::selection &selection(opts.keys);
|
|
for(size_t i(0); i < selection.size(); ++i)
|
|
{
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(i)
|
|
};
|
|
|
|
if(column && db::cached(column, key, opts.gopts))
|
|
ret.set(i);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/get.h
|
|
//
|
|
|
|
std::string
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(event_id, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(event_idx, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(std::nothrow, event_id, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(std::nothrow, event_idx, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const auto &ret
|
|
{
|
|
get(std::nothrow, index(event_id), key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const const_buffer ret
|
|
{
|
|
get(std::nothrow, event_idx, key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
return get(std::nothrow, index(event_id), key, buf);
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
const_buffer ret;
|
|
get(std::nothrow, event_idx, key, [&buf, &ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = { data(buf), copy(buf, value) };
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, index(event_id), key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, event_idx, key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
return get(std::nothrow, index(event_id), key, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
const string_view &column_key
|
|
{
|
|
byte_view<string_view>{event_idx}
|
|
};
|
|
|
|
const auto &column_idx
|
|
{
|
|
json::indexof<event>(key)
|
|
};
|
|
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(column_idx)
|
|
};
|
|
|
|
if(column)
|
|
return column(column_key, std::nothrow, closure);
|
|
|
|
// If the event property being sought doesn't have its own column we
|
|
// fall back to fetching the full JSON and closing over the property.
|
|
bool ret{false};
|
|
dbs::event_json(column_key, std::nothrow, [&closure, &key, &ret]
|
|
(const json::object &event)
|
|
{
|
|
string_view value
|
|
{
|
|
event[key]
|
|
};
|
|
|
|
if(!value)
|
|
return;
|
|
|
|
// The user expects an unquoted string to their closure, the same as
|
|
// if this value was found in its own column.
|
|
if(json::type(value) == json::STRING)
|
|
value = unquote(value);
|
|
|
|
ret = true;
|
|
closure(value);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/fetch.h
|
|
//
|
|
|
|
//
|
|
// seek
|
|
//
|
|
|
|
void
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::id &event_id)
|
|
{
|
|
if(!seek(fetch, event_id, std::nothrow))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s not found in database", event_id
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::id &event_id,
|
|
std::nothrow_t)
|
|
{
|
|
const auto &event_idx
|
|
{
|
|
index(event_id, std::nothrow)
|
|
};
|
|
|
|
if(!event_idx)
|
|
{
|
|
fetch.valid = false;
|
|
return fetch.valid;
|
|
}
|
|
|
|
return seek(fetch, event_idx, std::nothrow);
|
|
}
|
|
|
|
void
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::idx &event_idx)
|
|
{
|
|
if(!seek(fetch, event_idx, std::nothrow))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%lu not found in database", event_idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::seek(event::fetch &fetch,
|
|
const event::idx &event_idx,
|
|
std::nothrow_t)
|
|
{
|
|
fetch.event_idx = event_idx;
|
|
const string_view &key
|
|
{
|
|
byte_view<string_view>(event_idx)
|
|
};
|
|
|
|
auto &event
|
|
{
|
|
static_cast<m::event &>(fetch)
|
|
};
|
|
|
|
assert(fetch.fopts);
|
|
const auto &opts(*fetch.fopts);
|
|
if(!fetch.should_seek_json(opts))
|
|
if((fetch.valid = db::seek(fetch.row, key, opts.gopts)))
|
|
if((fetch.valid = fetch.assign_from_row(key)))
|
|
return fetch.valid;
|
|
|
|
if((fetch.valid = fetch._json.load(key, opts.gopts)))
|
|
fetch.valid = fetch.assign_from_json(key);
|
|
|
|
return fetch.valid;
|
|
}
|
|
|
|
//
|
|
// event::fetch
|
|
//
|
|
|
|
decltype(ircd::m::event::fetch::default_opts)
|
|
ircd::m::event::fetch::default_opts
|
|
{};
|
|
|
|
void
|
|
ircd::m::event::fetch::event_id(const idx &idx,
|
|
const id::closure &closure)
|
|
{
|
|
if(!get(std::nothrow, idx, "event_id", closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%lu not found in database", idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::fetch::event_id(const idx &idx,
|
|
std::nothrow_t,
|
|
const id::closure &closure)
|
|
{
|
|
return get(std::nothrow, idx, "event_id", closure);
|
|
}
|
|
|
|
//
|
|
// event::fetch::fetch
|
|
//
|
|
|
|
/// Seek to event_id and populate this event from database.
|
|
/// Throws if event not in database.
|
|
ircd::m::event::fetch::fetch(const event::id &event_id,
|
|
const opts &opts)
|
|
:fetch
|
|
{
|
|
index(event_id), opts
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seek to event_id and populate this event from database.
|
|
/// Event is not populated if not found in database.
|
|
ircd::m::event::fetch::fetch(const event::id &event_id,
|
|
std::nothrow_t,
|
|
const opts &opts)
|
|
:fetch
|
|
{
|
|
index(event_id, std::nothrow), std::nothrow, opts
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seek to event_idx and populate this event from database.
|
|
/// Throws if event not in database.
|
|
ircd::m::event::fetch::fetch(const event::idx &event_idx,
|
|
const opts &opts)
|
|
:fetch
|
|
{
|
|
event_idx, std::nothrow, opts
|
|
}
|
|
{
|
|
if(!valid)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"idx %zu not found in database", event_idx
|
|
};
|
|
}
|
|
|
|
/// Seek to event_idx and populate this event from database.
|
|
/// Event is not populated if not found in database.
|
|
ircd::m::event::fetch::fetch(const event::idx &event_idx,
|
|
std::nothrow_t,
|
|
const opts &opts)
|
|
:fopts
|
|
{
|
|
&opts
|
|
}
|
|
,event_idx
|
|
{
|
|
event_idx
|
|
}
|
|
,_json
|
|
{
|
|
dbs::event_json,
|
|
event_idx && should_seek_json(opts)?
|
|
key(&event_idx):
|
|
string_view{},
|
|
opts.gopts
|
|
}
|
|
,row
|
|
{
|
|
*dbs::events,
|
|
event_idx && !_json.valid(key(&event_idx))?
|
|
key(&event_idx):
|
|
string_view{},
|
|
event_idx && !_json.valid(key(&event_idx))?
|
|
event::keys{opts.keys}:
|
|
event::keys{event::keys::include{}},
|
|
cell,
|
|
opts.gopts
|
|
}
|
|
,valid
|
|
{
|
|
event_idx && _json.valid(key(&event_idx))?
|
|
assign_from_json(key(&event_idx)):
|
|
assign_from_row(key(&event_idx))
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Seekless constructor.
|
|
ircd::m::event::fetch::fetch(const opts &opts)
|
|
:fopts
|
|
{
|
|
&opts
|
|
}
|
|
,_json
|
|
{
|
|
dbs::event_json,
|
|
string_view{},
|
|
opts.gopts
|
|
}
|
|
,row
|
|
{
|
|
*dbs::events,
|
|
string_view{},
|
|
!should_seek_json(opts)?
|
|
event::keys{opts.keys}:
|
|
event::keys{event::keys::include{}},
|
|
cell,
|
|
opts.gopts
|
|
}
|
|
,valid
|
|
{
|
|
false
|
|
}
|
|
{
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::fetch::assign_from_json(const string_view &key)
|
|
{
|
|
auto &event
|
|
{
|
|
static_cast<m::event &>(*this)
|
|
};
|
|
|
|
assert(_json.valid(key));
|
|
const json::object source
|
|
{
|
|
_json.val()
|
|
};
|
|
|
|
assert(fopts);
|
|
event =
|
|
{
|
|
source, fopts->keys
|
|
};
|
|
|
|
assert(!empty(source));
|
|
assert(data(event.source) == data(source));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::fetch::assign_from_row(const string_view &key)
|
|
{
|
|
auto &event
|
|
{
|
|
static_cast<m::event &>(*this)
|
|
};
|
|
|
|
if(!row.valid(key))
|
|
return false;
|
|
|
|
assign(event, row, key);
|
|
event.source = {};
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::fetch::should_seek_json(const opts &opts)
|
|
{
|
|
// User always wants to make the event_json query regardless
|
|
// of their keys selection.
|
|
if(opts.query_json_force)
|
|
return true;
|
|
|
|
// If and only if selected keys have direct columns we can return
|
|
// false to seek direct columns. If any other keys are selected we
|
|
/// must perform the event_json query instead.
|
|
for(size_t i(0); i < opts.keys.size(); ++i)
|
|
if(opts.keys.test(i))
|
|
if(!dbs::event_column.at(i))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::event::fetch::key(const event::idx *const &event_idx)
|
|
{
|
|
assert(event_idx);
|
|
return byte_view<string_view>(*event_idx);
|
|
}
|
|
|
|
//
|
|
// event::fetch::opts
|
|
//
|
|
|
|
ircd::m::event::fetch::opts::opts(const db::gopts &gopts,
|
|
const event::keys::selection &keys)
|
|
:opts
|
|
{
|
|
keys, gopts
|
|
}
|
|
{
|
|
}
|
|
|
|
ircd::m::event::fetch::opts::opts(const event::keys::selection &keys,
|
|
const db::gopts &gopts)
|
|
:keys{keys}
|
|
,gopts{gopts}
|
|
{
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/event_id.h
|
|
//
|
|
|
|
ircd::m::event::id::buf
|
|
ircd::m::event_id(const event::idx &event_idx)
|
|
{
|
|
event::id::buf ret;
|
|
event_id(event_idx, ret);
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::id::buf
|
|
ircd::m::event_id(const event::idx &event_idx,
|
|
std::nothrow_t)
|
|
{
|
|
event::id::buf ret;
|
|
event_id(event_idx, ret, std::nothrow);
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event_id(const event::idx &event_idx,
|
|
event::id::buf &buf)
|
|
{
|
|
const event::id ret
|
|
{
|
|
event_id(event_idx, buf, std::nothrow)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"Cannot find event ID from idx[%lu]", event_idx
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event_id(const event::idx &event_idx,
|
|
event::id::buf &buf,
|
|
std::nothrow_t)
|
|
{
|
|
event_id(event_idx, std::nothrow, [&buf]
|
|
(const event::id &eid)
|
|
{
|
|
buf = eid;
|
|
});
|
|
|
|
return buf;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event_id(const event::idx &event_idx,
|
|
std::nothrow_t,
|
|
const event::id::closure &closure)
|
|
{
|
|
return get(std::nothrow, event_idx, "event_id", closure);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/index.h
|
|
//
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event &event)
|
|
try
|
|
{
|
|
return index(at<"event_id"_>(event));
|
|
}
|
|
catch(const json::not_found &)
|
|
{
|
|
throw m::NOT_FOUND
|
|
{
|
|
"Cannot find index for event without an event_id."
|
|
};
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event &event,
|
|
std::nothrow_t)
|
|
try
|
|
{
|
|
return index(at<"event_id"_>(event), std::nothrow);
|
|
}
|
|
catch(const json::not_found &)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event::id &event_id)
|
|
{
|
|
const auto ret
|
|
{
|
|
index(event_id, std::nothrow)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"no index found for %s",
|
|
string_view{event_id}
|
|
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::m::event::idx
|
|
ircd::m::index(const event::id &event_id,
|
|
std::nothrow_t)
|
|
{
|
|
event::idx ret{0};
|
|
index(event_id, std::nothrow, [&ret]
|
|
(const event::idx &event_idx)
|
|
{
|
|
ret = event_idx;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::index(const event::id &event_id,
|
|
std::nothrow_t,
|
|
const event::closure_idx &closure)
|
|
{
|
|
auto &column
|
|
{
|
|
dbs::event_idx
|
|
};
|
|
|
|
if(!event_id)
|
|
return false;
|
|
|
|
return column(event_id, std::nothrow, [&closure]
|
|
(const string_view &value)
|
|
{
|
|
const event::idx &event_idx
|
|
{
|
|
byte_view<event::idx>(value)
|
|
};
|
|
|
|
closure(event_idx);
|
|
});
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/auth.h
|
|
//
|
|
|
|
//
|
|
// event::auth
|
|
//
|
|
|
|
void
|
|
ircd::m::event::auth::check(const event &event)
|
|
{
|
|
const auto reason
|
|
{
|
|
failed(event)
|
|
};
|
|
|
|
if(reason)
|
|
throw m::ACCESS_DENIED
|
|
{
|
|
"Authorization of %s failed against its auth_events :%s",
|
|
json::get<"event_id"_>(event),
|
|
reason
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::check(std::nothrow_t,
|
|
const event &event)
|
|
{
|
|
return !failed(event);
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::event::auth::failed(const event &event)
|
|
{
|
|
using prototype = string_view (const m::event &);
|
|
|
|
static mods::import<prototype> call
|
|
{
|
|
"m_event", "ircd::m::event::auth::failed"
|
|
};
|
|
|
|
return call(event);
|
|
}
|
|
|
|
ircd::string_view
|
|
ircd::m::event::auth::failed(const event &event,
|
|
const vector_view<const m::event *> &auth_events)
|
|
{
|
|
using prototype = string_view (const m::event &, const vector_view<const m::event *> &);
|
|
|
|
static mods::import<prototype> call
|
|
{
|
|
"m_event", "ircd::m::event::auth::failed"
|
|
};
|
|
|
|
return call(event, auth_events);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::is_power_event(const m::event &event)
|
|
{
|
|
static mods::import<decltype(auth::is_power_event)> call
|
|
{
|
|
"m_event", "ircd::m::event::auth::is_power_event"
|
|
};
|
|
|
|
return call(event);
|
|
}
|
|
|
|
//
|
|
// event::auth::refs
|
|
//
|
|
|
|
size_t
|
|
ircd::m::event::auth::refs::count()
|
|
const noexcept
|
|
{
|
|
return count(string_view{});
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::auth::refs::count(const string_view &type)
|
|
const noexcept
|
|
{
|
|
size_t ret(0);
|
|
for_each(type, [&ret](const auto &)
|
|
{
|
|
++ret;
|
|
return true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::refs::has(const event::idx &idx)
|
|
const noexcept
|
|
{
|
|
return !for_each([&idx](const event::idx &ref)
|
|
{
|
|
return ref != idx; // true to continue, false to break
|
|
});
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::refs::has(const string_view &type)
|
|
const noexcept
|
|
{
|
|
bool ret{false};
|
|
for_each(type, [&ret](const auto &)
|
|
{
|
|
ret = true;
|
|
return false;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::refs::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return for_each(string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::refs::for_each(const string_view &type,
|
|
const closure_bool &closure)
|
|
const
|
|
{
|
|
assert(idx);
|
|
const event::refs erefs
|
|
{
|
|
idx
|
|
};
|
|
|
|
return erefs.for_each(dbs::ref::AUTH, [this, &type, &closure]
|
|
(const event::idx &ref, const dbs::ref &)
|
|
{
|
|
bool match;
|
|
const auto matcher
|
|
{
|
|
[&type, &match](const string_view &type_)
|
|
{
|
|
match = type == type_;
|
|
}
|
|
};
|
|
|
|
if(type)
|
|
{
|
|
if(!m::get(std::nothrow, ref, "type", matcher))
|
|
return true;
|
|
|
|
if(!match)
|
|
return true;
|
|
}
|
|
|
|
assert(idx != ref);
|
|
if(!closure(ref))
|
|
return false;
|
|
|
|
return true;
|
|
});
|
|
}
|
|
|
|
//
|
|
// event::auth::chain
|
|
//
|
|
|
|
size_t
|
|
ircd::m::event::auth::chain::depth()
|
|
const noexcept
|
|
{
|
|
size_t ret(0);
|
|
for_each([&ret](const auto &)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::chain::has(const string_view &type)
|
|
const noexcept
|
|
{
|
|
bool ret(false);
|
|
for_each(closure_bool{[&type, &ret]
|
|
(const auto &idx)
|
|
{
|
|
m::get(std::nothrow, idx, "type", [&type, &ret]
|
|
(const auto &value)
|
|
{
|
|
ret = value == type;
|
|
});
|
|
|
|
return !ret;
|
|
}});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::chain::for_each(const closure &closure)
|
|
const
|
|
{
|
|
return for_each(closure_bool{[&closure]
|
|
(const auto &idx)
|
|
{
|
|
closure(idx);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::chain::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return chain::for_each(*this, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::auth::chain::for_each(const auth::chain &c,
|
|
const closure_bool &closure)
|
|
{
|
|
using prototype = bool (const auth::chain &, const closure_bool &);
|
|
|
|
static mods::import<prototype> call
|
|
{
|
|
"m_event", "ircd::m::event::auth::chain::for_each"
|
|
};
|
|
|
|
return call(c, closure);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/refs.h
|
|
//
|
|
|
|
void
|
|
ircd::m::event::refs::rebuild()
|
|
{
|
|
using prototype = void ();
|
|
|
|
static mods::import<prototype> rebuild
|
|
{
|
|
"m_event", "ircd::m::event::refs::rebuild"
|
|
};
|
|
|
|
rebuild();
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::refs::count()
|
|
const noexcept
|
|
{
|
|
return count(dbs::ref(-1));
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::refs::count(const dbs::ref &type)
|
|
const noexcept
|
|
{
|
|
assert(idx);
|
|
size_t ret(0);
|
|
for_each(type, [&ret]
|
|
(const event::idx &ref, const dbs::ref &)
|
|
{
|
|
++ret;
|
|
return true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::refs::has(const event::idx &idx)
|
|
const noexcept
|
|
{
|
|
return has(dbs::ref(-1), idx);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::refs::has(const dbs::ref &type,
|
|
const event::idx &idx)
|
|
const noexcept
|
|
{
|
|
return !for_each(type, [&idx]
|
|
(const event::idx &ref, const dbs::ref &)
|
|
{
|
|
return ref != idx; // true to continue, false to break
|
|
});
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::refs::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return for_each(dbs::ref(-1), closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::refs::for_each(const dbs::ref &type,
|
|
const closure_bool &closure)
|
|
const
|
|
{
|
|
assert(idx);
|
|
thread_local char buf[dbs::EVENT_REFS_KEY_MAX_SIZE];
|
|
|
|
// Allow -1 to iterate through all types by starting
|
|
// the iteration at type value 0 and then ignoring the
|
|
// type as a loop continue condition.
|
|
const bool all_type(type == dbs::ref(uint8_t(-1)));
|
|
const auto &_type{all_type? dbs::ref::PREV : type};
|
|
assert(uint8_t(dbs::ref::PREV) == 0);
|
|
const string_view key
|
|
{
|
|
dbs::event_refs_key(buf, idx, _type, 0)
|
|
};
|
|
|
|
auto it
|
|
{
|
|
dbs::event_refs.begin(key)
|
|
};
|
|
|
|
for(; it; ++it)
|
|
{
|
|
const auto parts
|
|
{
|
|
dbs::event_refs_key(it->first)
|
|
};
|
|
|
|
const auto &type
|
|
{
|
|
std::get<0>(parts)
|
|
};
|
|
|
|
if(!all_type && type != _type)
|
|
break;
|
|
|
|
const auto &ref
|
|
{
|
|
std::get<1>(parts)
|
|
};
|
|
|
|
assert(idx != ref);
|
|
if(!closure(ref, type))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/prev.h
|
|
//
|
|
|
|
bool
|
|
ircd::m::event::prev::prev_events_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"prev_events"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::prev::prev_states_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"prev_state"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::prev::auth_events_has(const event::id &event_id)
|
|
const
|
|
{
|
|
for(const json::array &p : json::get<"auth_events"_>(*this))
|
|
if(unquote(p.at(0)) == event_id)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::prev_events_count()
|
|
const
|
|
{
|
|
return json::get<"prev_events"_>(*this).count();
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::prev_states_count()
|
|
const
|
|
{
|
|
return json::get<"prev_state"_>(*this).count();
|
|
}
|
|
|
|
size_t
|
|
ircd::m::event::prev::auth_events_count()
|
|
const
|
|
{
|
|
return json::get<"auth_events"_>(*this).count();
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::auth_event(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(auth_events(idx));
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::prev_state(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(prev_states(idx));
|
|
}
|
|
|
|
ircd::m::event::id
|
|
ircd::m::event::prev::prev_event(const uint &idx)
|
|
const
|
|
{
|
|
return std::get<0>(prev_events(idx));
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::auth_events(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &auth_event
|
|
{
|
|
at<"auth_events"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(auth_event.at(0)), unquote(auth_event[1])
|
|
};
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::prev_states(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &state_event
|
|
{
|
|
at<"prev_state"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(state_event.at(0)), unquote(state_event[1])
|
|
};
|
|
}
|
|
|
|
std::tuple<ircd::m::event::id, ircd::string_view>
|
|
ircd::m::event::prev::prev_events(const uint &idx)
|
|
const
|
|
{
|
|
const json::array &prev_event
|
|
{
|
|
at<"prev_events"_>(*this).at(idx)
|
|
};
|
|
|
|
return
|
|
{
|
|
unquote(prev_event.at(0)), unquote(prev_event[1])
|
|
};
|
|
}
|
|
|
|
void
|
|
ircd::m::for_each(const event::prev &prev,
|
|
const event::id::closure &closure)
|
|
{
|
|
m::for_each(prev, event::id::closure_bool{[&closure]
|
|
(const event::id &event_id)
|
|
{
|
|
closure(event_id);
|
|
return true;
|
|
}});
|
|
}
|
|
|
|
bool
|
|
ircd::m::for_each(const event::prev &prev,
|
|
const event::id::closure_bool &closure)
|
|
{
|
|
return json::until(prev, [&closure]
|
|
(const auto &key, const json::array &prevs)
|
|
{
|
|
for(const json::array &prev : prevs)
|
|
if(!closure(event::id(unquote(prev.at(0)))))
|
|
return false;
|
|
|
|
return true;
|
|
});
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/event.h
|
|
//
|
|
|
|
/// The maximum size of an event we will create. This may also be used in
|
|
/// some contexts for what we will accept, but the protocol limit and hard
|
|
/// worst-case buffer size is still event::MAX_SIZE.
|
|
decltype(ircd::m::event::max_size)
|
|
ircd::m::event::max_size
|
|
{
|
|
{ "name", "m.event.max_size" },
|
|
{ "default", 65507L },
|
|
};
|
|
|
|
//
|
|
// event::event
|
|
//
|
|
|
|
ircd::m::event::event(const json::object &source)
|
|
:super_type
|
|
{
|
|
source
|
|
}
|
|
,source
|
|
{
|
|
source
|
|
}
|
|
{
|
|
}
|
|
|
|
ircd::m::event::event(const json::object &source,
|
|
const keys &keys)
|
|
:super_type
|
|
{
|
|
source, keys
|
|
}
|
|
,source
|
|
{
|
|
source
|
|
}
|
|
{
|
|
}
|
|
|
|
namespace ircd::m
|
|
{
|
|
static json::object make_hashes(const mutable_buffer &out, const sha256::buf &hash);
|
|
}
|
|
|
|
ircd::json::object
|
|
ircd::m::hashes(const mutable_buffer &out,
|
|
const event &event)
|
|
{
|
|
const sha256::buf hash_
|
|
{
|
|
hash(event)
|
|
};
|
|
|
|
return make_hashes(out, hash_);
|
|
}
|
|
|
|
ircd::json::object
|
|
ircd::m::event::hashes(const mutable_buffer &out,
|
|
json::iov &event,
|
|
const string_view &content)
|
|
{
|
|
const sha256::buf hash_
|
|
{
|
|
hash(event, content)
|
|
};
|
|
|
|
return make_hashes(out, hash_);
|
|
}
|
|
|
|
ircd::json::object
|
|
ircd::m::make_hashes(const mutable_buffer &out,
|
|
const sha256::buf &hash)
|
|
{
|
|
static const auto b64bufsz(b64encode_size(sizeof(hash)));
|
|
thread_local char hashb64buf[b64bufsz];
|
|
const json::members hashes
|
|
{
|
|
{ "sha256", b64encode_unpadded(hashb64buf, hash) }
|
|
};
|
|
|
|
return json::stringify(mutable_buffer{out}, hashes);
|
|
}
|
|
|
|
ircd::sha256::buf
|
|
ircd::m::event::hash(const json::object &event)
|
|
try
|
|
{
|
|
static const size_t iov_max{json::iov::max_size};
|
|
thread_local std::array<json::object::member, iov_max> member;
|
|
|
|
size_t i(0);
|
|
for(const auto &m : event)
|
|
{
|
|
if(m.first == "signatures" ||
|
|
m.first == "unsigned" ||
|
|
m.first == "hashes")
|
|
continue;
|
|
|
|
member.at(i++) = m;
|
|
}
|
|
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const string_view reimage
|
|
{
|
|
json::stringify(buf, member.data(), member.data() + i)
|
|
};
|
|
|
|
return sha256{reimage};
|
|
}
|
|
catch(const std::out_of_range &e)
|
|
{
|
|
throw m::BAD_JSON
|
|
{
|
|
"Object has more than %zu member properties.",
|
|
json::iov::max_size
|
|
};
|
|
}
|
|
|
|
ircd::sha256::buf
|
|
ircd::m::event::hash(json::iov &event,
|
|
const string_view &content)
|
|
{
|
|
const json::iov::push _content
|
|
{
|
|
event, { "content", content }
|
|
};
|
|
|
|
return m::hash(event);
|
|
}
|
|
|
|
ircd::sha256::buf
|
|
ircd::m::hash(const event &event)
|
|
{
|
|
if(event.source)
|
|
return event::hash(event.source);
|
|
|
|
m::event event_{event};
|
|
json::get<"signatures"_>(event_) = {};
|
|
json::get<"hashes"_>(event_) = {};
|
|
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event_)
|
|
};
|
|
|
|
return sha256{preimage};
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify_hash(const event &event)
|
|
{
|
|
const sha256::buf hash
|
|
{
|
|
m::hash(event)
|
|
};
|
|
|
|
return verify_hash(event, hash);
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify_hash(const event &event,
|
|
const sha256::buf &hash)
|
|
{
|
|
static const size_t hashb64sz
|
|
{
|
|
size_t(hash.size() * 1.34) + 1
|
|
};
|
|
|
|
thread_local char b64buf[hashb64sz];
|
|
return verify_sha256b64(event, b64encode_unpadded(b64buf, hash));
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify_sha256b64(const event &event,
|
|
const string_view &b64)
|
|
try
|
|
{
|
|
const json::object &object
|
|
{
|
|
at<"hashes"_>(event)
|
|
};
|
|
|
|
const string_view &hash
|
|
{
|
|
unquote(object.at("sha256"))
|
|
};
|
|
|
|
return hash == b64;
|
|
}
|
|
catch(const json::not_found &)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ircd::json::object
|
|
ircd::m::event::signatures(const mutable_buffer &out,
|
|
json::iov &event,
|
|
const json::iov &content)
|
|
{
|
|
const ed25519::sig sig
|
|
{
|
|
sign(event, content)
|
|
};
|
|
|
|
thread_local char sigb64buf[b64encode_size(sizeof(sig))];
|
|
const json::members sigb64
|
|
{
|
|
{ self::public_key_id, b64encode_unpadded(sigb64buf, sig) }
|
|
};
|
|
|
|
const json::members sigs
|
|
{
|
|
{ event.at("origin"), sigb64 }
|
|
};
|
|
|
|
return json::stringify(mutable_buffer{out}, sigs);
|
|
}
|
|
|
|
ircd::m::event
|
|
ircd::m::signatures(const mutable_buffer &out_,
|
|
const m::event &event_)
|
|
{
|
|
thread_local char content[event::MAX_SIZE];
|
|
m::event event
|
|
{
|
|
essential(event_, content)
|
|
};
|
|
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const json::object &preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
const ed25519::sig sig
|
|
{
|
|
sign(preimage)
|
|
};
|
|
|
|
const auto sig_host
|
|
{
|
|
my_host(json::get<"origin"_>(event))?
|
|
json::get<"origin"_>(event):
|
|
my_host()
|
|
};
|
|
|
|
thread_local char sigb64buf[b64encode_size(sizeof(sig))];
|
|
const json::member my_sig
|
|
{
|
|
sig_host, json::members
|
|
{
|
|
{ self::public_key_id, b64encode_unpadded(sigb64buf, sig) }
|
|
}
|
|
};
|
|
|
|
static const size_t SIG_MAX{64};
|
|
thread_local std::array<json::member, SIG_MAX> sigs;
|
|
|
|
size_t i(0);
|
|
sigs.at(i++) = my_sig;
|
|
for(const auto &other : json::get<"signatures"_>(event_))
|
|
if(!my_host(unquote(other.first)))
|
|
sigs.at(i++) = { other.first, other.second };
|
|
|
|
event = event_;
|
|
mutable_buffer out{out_};
|
|
json::get<"signatures"_>(event) = json::stringify(out, sigs.data(), sigs.data() + i);
|
|
return event;
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(json::iov &event,
|
|
const json::iov &contents)
|
|
{
|
|
return sign(event, contents, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(json::iov &event,
|
|
const json::iov &contents,
|
|
const ed25519::sk &sk)
|
|
{
|
|
ed25519::sig sig;
|
|
essential(event, contents, [&sk, &sig]
|
|
(json::iov &event)
|
|
{
|
|
sig = m::sign(event, sk);
|
|
});
|
|
|
|
return sig;
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::sign(const event &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::sign(const event &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return event::sign(preimage, sk);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const json::object &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const json::object &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
//TODO: skip rewrite
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return sign(preimage, sk);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const string_view &event)
|
|
{
|
|
return sign(event, self::secret_key);
|
|
}
|
|
|
|
ircd::ed25519::sig
|
|
ircd::m::event::sign(const string_view &event,
|
|
const ed25519::sk &sk)
|
|
{
|
|
const ed25519::sig sig
|
|
{
|
|
sk.sign(event)
|
|
};
|
|
|
|
return sig;
|
|
}
|
|
bool
|
|
ircd::m::verify(const event &event)
|
|
{
|
|
const string_view &origin
|
|
{
|
|
at<"origin"_>(event)
|
|
};
|
|
|
|
return verify(event, origin);
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const string_view &origin)
|
|
{
|
|
const json::object &signatures
|
|
{
|
|
at<"signatures"_>(event)
|
|
};
|
|
|
|
const json::object &origin_sigs
|
|
{
|
|
signatures.at(origin)
|
|
};
|
|
|
|
for(const auto &p : origin_sigs)
|
|
if(verify(event, origin, unquote(p.first)))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const string_view &origin,
|
|
const string_view &keyid)
|
|
try
|
|
{
|
|
const m::node::id::buf node_id
|
|
{
|
|
m::node::id::origin, origin
|
|
};
|
|
|
|
const m::node node
|
|
{
|
|
node_id
|
|
};
|
|
|
|
bool ret{false};
|
|
node.key(keyid, [&ret, &event, &origin, &keyid]
|
|
(const ed25519::pk &pk)
|
|
{
|
|
ret = verify(event, pk, origin, keyid);
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
catch(const m::NOT_FOUND &e)
|
|
{
|
|
log::derror
|
|
{
|
|
"Failed to verify %s because key %s for %s :%s",
|
|
string_view{json::get<"event_id"_>(event)},
|
|
keyid,
|
|
origin,
|
|
e.what()
|
|
};
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event,
|
|
const ed25519::pk &pk,
|
|
const string_view &origin,
|
|
const string_view &keyid)
|
|
{
|
|
const json::object &signatures
|
|
{
|
|
at<"signatures"_>(event)
|
|
};
|
|
|
|
const json::object &origin_sigs
|
|
{
|
|
signatures.at(origin)
|
|
};
|
|
|
|
const ed25519::sig sig
|
|
{
|
|
[&origin_sigs, &keyid](auto &buf)
|
|
{
|
|
b64decode(buf, unquote(origin_sigs.at(keyid)));
|
|
}
|
|
};
|
|
|
|
return verify(event, pk, sig);
|
|
}
|
|
|
|
bool
|
|
ircd::m::verify(const event &event_,
|
|
const ed25519::pk &pk,
|
|
const ed25519::sig &sig)
|
|
{
|
|
thread_local char buf[2][event::MAX_SIZE];
|
|
m::event event
|
|
{
|
|
essential(event_, buf[0])
|
|
};
|
|
|
|
const json::object &preimage
|
|
{
|
|
stringify(buf[1], event)
|
|
};
|
|
|
|
return pk.verify(preimage, sig);
|
|
}
|
|
|
|
bool
|
|
ircd::m::event::verify(const json::object &event,
|
|
const ed25519::pk &pk,
|
|
const ed25519::sig &sig)
|
|
{
|
|
thread_local char buf[event::MAX_SIZE];
|
|
const string_view preimage
|
|
{
|
|
stringify(buf, event)
|
|
};
|
|
|
|
return pk.verify(preimage, sig);
|
|
}
|
|
|
|
void
|
|
ircd::m::event::essential(json::iov &event,
|
|
const json::iov &contents,
|
|
const closure_iov_mutable &closure)
|
|
{
|
|
using prototype = void (json::iov &, const json::iov &, const closure_iov_mutable &);
|
|
|
|
static mods::import<prototype> _essential
|
|
{
|
|
"m_event", "ircd::m::event::essential"
|
|
};
|
|
|
|
_essential(event, contents, closure);
|
|
}
|
|
|
|
ircd::m::event
|
|
ircd::m::essential(m::event event,
|
|
const mutable_buffer &contentbuf)
|
|
{
|
|
using prototype = m::event (m::event, const mutable_buffer &);
|
|
|
|
static mods::import<prototype> _essential
|
|
{
|
|
"m_event", "ircd::m::essential"
|
|
};
|
|
|
|
return _essential(event, contentbuf);
|
|
}
|
|
|
|
ircd::m::id::event
|
|
ircd::m::make_id(const event &event,
|
|
id::event::buf &buf)
|
|
{
|
|
const crh::sha256::buf hash{event};
|
|
return make_id(event, buf, hash);
|
|
}
|
|
|
|
ircd::m::id::event
|
|
ircd::m::make_id(const event &event,
|
|
id::event::buf &buf,
|
|
const const_buffer &hash)
|
|
{
|
|
char readable[b58encode_size(sha256::digest_size)];
|
|
const id::event ret
|
|
{
|
|
buf, b58encode(readable, hash), my_host()
|
|
};
|
|
|
|
buf.assigned(ret);
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::before(const event &a,
|
|
const event &b)
|
|
{
|
|
const event::prev prev{b};
|
|
return prev.prev_events_has(at<"event_id"_>(a));
|
|
}
|
|
|
|
bool
|
|
ircd::m::operator>=(const event &a, const event &b)
|
|
{
|
|
assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
|
|
return at<"depth"_>(a) >= at<"depth"_>(b);
|
|
}
|
|
|
|
bool
|
|
ircd::m::operator<=(const event &a, const event &b)
|
|
{
|
|
assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
|
|
return at<"depth"_>(a) <= at<"depth"_>(b);
|
|
}
|
|
|
|
bool
|
|
ircd::m::operator>(const event &a, const event &b)
|
|
{
|
|
assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
|
|
return at<"depth"_>(a) > at<"depth"_>(b);
|
|
}
|
|
|
|
bool
|
|
ircd::m::operator<(const event &a, const event &b)
|
|
{
|
|
assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
|
|
return at<"depth"_>(a) < at<"depth"_>(b);
|
|
}
|
|
|
|
bool
|
|
ircd::m::operator==(const event &a, const event &b)
|
|
{
|
|
assert(json::get<"room_id"_>(a) == json::get<"room_id"_>(b));
|
|
return at<"event_id"_>(a) == at<"event_id"_>(b);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event.h
|
|
//
|
|
|
|
bool
|
|
ircd::m::bad(const id::event &event_id)
|
|
{
|
|
bool ret {false};
|
|
index(event_id, std::nothrow, [&ret]
|
|
(const event::idx &event_idx)
|
|
{
|
|
ret = event_idx == 0;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::count(const event::prev &prev)
|
|
{
|
|
size_t ret{0};
|
|
m::for_each(prev, [&ret](const event::id &event_id)
|
|
{
|
|
++ret;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::good(const id::event &event_id)
|
|
{
|
|
return index(event_id, std::nothrow) != 0;
|
|
}
|
|
|
|
bool
|
|
ircd::m::exists(const id::event &event_id,
|
|
const bool &good)
|
|
{
|
|
return good?
|
|
m::good(event_id):
|
|
m::exists(event_id);
|
|
}
|
|
|
|
bool
|
|
ircd::m::exists(const id::event &event_id)
|
|
{
|
|
auto &column
|
|
{
|
|
dbs::event_idx
|
|
};
|
|
|
|
return has(column, event_id);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
size_t
|
|
ircd::m::degree(const event &event)
|
|
{
|
|
return degree(event::prev{event});
|
|
}
|
|
|
|
size_t
|
|
ircd::m::degree(const event::prev &prev)
|
|
{
|
|
size_t ret{0};
|
|
json::for_each(prev, [&ret]
|
|
(const auto &, const json::array &prevs)
|
|
{
|
|
ret += prevs.count();
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::my(const event &event)
|
|
{
|
|
const auto &origin(json::get<"origin"_>(event));
|
|
const auto &eid(json::get<"event_id"_>(event));
|
|
return
|
|
origin?
|
|
my_host(origin):
|
|
eid?
|
|
my(event::id(eid)):
|
|
false;
|
|
}
|
|
|
|
bool
|
|
ircd::m::my(const id::event &event_id)
|
|
{
|
|
return self::host(event_id.host());
|
|
}
|