mirror of
https://github.com/matrix-construct/construct
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92 lines
4 KiB
C++
92 lines
4 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_EVENT_CONFORMS_H
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/// Device to evaluate the conformity of an event object. This is an 'in vitro'
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/// or 'pure' evaluation: it determines if the event is reasonably sane enough
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/// to be evaluated further using only the information in the event itself. It
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/// requires nothing external and conducts no IO etc..
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///
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/// This evaluation does not throw or stop when a check fails: instead it
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/// collects the failures allowing the user to further determine how to proceed
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/// at their own discretion.
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///
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struct ircd::m::event::conforms
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{
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enum code :uint;
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uint64_t report {0};
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bool clean() const;
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operator bool() const;
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bool operator!() const;
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bool has(const uint &code) const;
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bool has(const code &code) const;
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string_view string(const mutable_buffer &out) const;
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void set(const code &code);
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void del(const code &code);
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void operator|=(const code &) &;
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conforms() = default;
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conforms(const event &);
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conforms(const event &, const uint64_t &skip);
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static code reflect(const string_view &);
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};
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namespace ircd::m
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{
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string_view reflect(const event::conforms::code &);
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std::ostream &operator<<(std::ostream &, const event::conforms &);
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}
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/// Report codes corresponding to the checks conducted by event::conforms.
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/// Developers: If you add a code here you must also add a string reflection
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/// in the definition file.
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///
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enum ircd::m::event::conforms::code
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:uint
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{
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INVALID_OR_MISSING_EVENT_ID, ///< event_id empty or failed mxid grammar check
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INVALID_OR_MISSING_ROOM_ID, ///< room_id empty or failed mxid grammar check
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INVALID_OR_MISSING_SENDER_ID, ///< sender empty or failed mxid grammar check
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MISSING_TYPE, ///< type empty
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INVALID_TYPE, ///< type field invalid or too long
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MISSING_ORIGIN, ///< origin empty
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INVALID_ORIGIN, ///< origin not a proper domain
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INVALID_STATE_KEY, ///< state_key invalid or too long
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INVALID_OR_MISSING_REDACTS_ID, ///< for m.room.redaction
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MISSING_CONTENT_MEMBERSHIP, ///< for m.room.member, content.membership
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INVALID_CONTENT_MEMBERSHIP, ///< for m.room.member, content.membership
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MISSING_MEMBER_STATE_KEY, ///< for m.room.member, !empty(state_key)
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INVALID_MEMBER_STATE_KEY, ///< for m.room.member, !user::id(state_key)
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MISSING_PREV_EVENTS, ///< for non-m.room.create, empty prev_events
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MISSING_AUTH_EVENTS, ///< for non-m.room.create, empty auth_events
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DEPTH_NEGATIVE, ///< depth < 0
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DEPTH_ZERO, ///< for non-m.room.create, depth=0
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MISSING_SIGNATURES, ///< no signatures
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MISSING_ORIGIN_SIGNATURE, ///< no signature for origin
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MISMATCH_ORIGIN_SENDER, ///< sender mxid host not from origin
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MISMATCH_CREATE_SENDER, ///< m.room.create room_id host != sender host
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MISMATCH_ALIASES_STATE_KEY, ///< m.room.aliases has no state_key
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SELF_REDACTS, ///< event redacts itself
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SELF_PREV_EVENT, ///< event_id self-referenced in prev_events
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SELF_AUTH_EVENT, ///< event_id self-referenced in auth_events
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DUP_PREV_EVENT, ///< duplicate references in prev_events
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DUP_AUTH_EVENT, ///< duplicate references in auth_events
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MISMATCH_EVENT_ID, ///< event.event_id isn't the right hash.
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MISSING_HASHES, ///< no hashes or recognized algorithm
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MISMATCH_HASHES, ///< hashes don't match expected
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_NUM_
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};
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