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modules/m_event: Move essential() definitions; minor reorg.

This commit is contained in:
Jason Volk 2019-02-26 10:28:30 -08:00
parent 9aaba79919
commit 92371040af

View file

@ -17,213 +17,6 @@ IRCD_MODULE
"Matrix event library; modular components."
};
void
IRCD_MODULE_EXPORT
ircd::m::event::essential(json::iov &event,
const json::iov &contents,
const event::closure_iov_mutable &closure)
{
const auto &type
{
event.at("type")
};
if(type == "m.room.aliases")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "aliases", contents.at("aliases") }
}
}};
closure(event);
}
else if(type == "m.room.create")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "creator", contents.at("creator") }
}
}};
closure(event);
}
else if(type == "m.room.history_visibility")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "history_visibility", contents.at("history_visibility") }
}
}};
closure(event);
}
else if(type == "m.room.join_rules")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "join_rule", contents.at("join_rule") }
}
}};
closure(event);
}
else if(type == "m.room.member")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "membership", contents.at("membership") }
}
}};
closure(event);
}
else if(type == "m.room.power_levels")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "ban", contents.at("ban") },
{ "events", contents.at("events") },
{ "events_default", contents.at("events_default") },
{ "kick", contents.at("kick") },
{ "redact", contents.at("redact") },
{ "state_default", contents.at("state_default") },
{ "users", contents.at("users") },
{ "users_default", contents.at("users_default") },
}
}};
closure(event);
}
else if(type == "m.room.redaction")
{
// This simply finds the redacts key and swaps it with jsundefined for
// the scope's duration. The redacts key will still be present and
// visible in the json::iov which is incorrect if directly serialized.
// However, this iov is turned into a json::tuple (m::event) which ends
// up being serialized for signing. That serialization is where the
// jsundefined redacts value is ignored.
auto &redacts{event.at("redacts")};
json::value temp(std::move(redacts));
redacts = json::value{};
const unwind _{[&redacts, &temp]
{
redacts = std::move(temp);
}};
const json::iov::push _content
{
event, { "content", "{}" }
};
closure(event);
}
else
{
const json::iov::push _content
{
event, { "content", "{}" }
};
closure(event);
}
}
ircd::m::event
IRCD_MODULE_EXPORT
ircd::m::essential(m::event event,
const mutable_buffer &contentbuf)
{
const auto &type
{
json::at<"type"_>(event)
};
json::object &content
{
json::get<"content"_>(event)
};
mutable_buffer essential
{
contentbuf
};
if(type == "m.room.aliases")
{
content = json::stringify(essential, json::members
{
{ "aliases", unquote(content.at("aliases")) }
});
}
else if(type == "m.room.create")
{
content = json::stringify(essential, json::members
{
{ "creator", unquote(content.at("creator")) }
});
}
else if(type == "m.room.history_visibility")
{
content = json::stringify(essential, json::members
{
{ "history_visibility", unquote(content.at("history_visibility")) }
});
}
else if(type == "m.room.join_rules")
{
content = json::stringify(essential, json::members
{
{ "join_rule", unquote(content.at("join_rule")) }
});
}
else if(type == "m.room.member")
{
content = json::stringify(essential, json::members
{
{ "membership", unquote(content.at("membership")) }
});
}
else if(type == "m.room.power_levels")
{
content = json::stringify(essential, json::members
{
{ "ban", unquote(content.at("ban")) },
{ "events", unquote(content.at("events")) },
{ "events_default", unquote(content.at("events_default")) },
{ "kick", unquote(content.at("kick")) },
{ "redact", unquote(content.at("redact")) },
{ "state_default", unquote(content.at("state_default")) },
{ "users", unquote(content.at("users")) },
{ "users_default", unquote(content.at("users_default")) },
});
}
else if(type == "m.room.redaction")
{
json::get<"redacts"_>(event) = string_view{};
content = "{}"_sv;
}
else
{
content = "{}"_sv;
}
json::get<"signatures"_>(event) = {};
return event;
}
std::ostream &
IRCD_MODULE_EXPORT
ircd::m::pretty(std::ostream &s,
@ -1238,3 +1031,210 @@ ircd::m::event::auth::is_power_event(const m::event &event)
return false;
}
void
IRCD_MODULE_EXPORT
ircd::m::event::essential(json::iov &event,
const json::iov &contents,
const event::closure_iov_mutable &closure)
{
const auto &type
{
event.at("type")
};
if(type == "m.room.aliases")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "aliases", contents.at("aliases") }
}
}};
closure(event);
}
else if(type == "m.room.create")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "creator", contents.at("creator") }
}
}};
closure(event);
}
else if(type == "m.room.history_visibility")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "history_visibility", contents.at("history_visibility") }
}
}};
closure(event);
}
else if(type == "m.room.join_rules")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "join_rule", contents.at("join_rule") }
}
}};
closure(event);
}
else if(type == "m.room.member")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "membership", contents.at("membership") }
}
}};
closure(event);
}
else if(type == "m.room.power_levels")
{
const json::iov::push _content{event,
{
"content", json::members
{
{ "ban", contents.at("ban") },
{ "events", contents.at("events") },
{ "events_default", contents.at("events_default") },
{ "kick", contents.at("kick") },
{ "redact", contents.at("redact") },
{ "state_default", contents.at("state_default") },
{ "users", contents.at("users") },
{ "users_default", contents.at("users_default") },
}
}};
closure(event);
}
else if(type == "m.room.redaction")
{
// This simply finds the redacts key and swaps it with jsundefined for
// the scope's duration. The redacts key will still be present and
// visible in the json::iov which is incorrect if directly serialized.
// However, this iov is turned into a json::tuple (m::event) which ends
// up being serialized for signing. That serialization is where the
// jsundefined redacts value is ignored.
auto &redacts{event.at("redacts")};
json::value temp(std::move(redacts));
redacts = json::value{};
const unwind _{[&redacts, &temp]
{
redacts = std::move(temp);
}};
const json::iov::push _content
{
event, { "content", "{}" }
};
closure(event);
}
else
{
const json::iov::push _content
{
event, { "content", "{}" }
};
closure(event);
}
}
ircd::m::event
IRCD_MODULE_EXPORT
ircd::m::essential(m::event event,
const mutable_buffer &contentbuf)
{
const auto &type
{
json::at<"type"_>(event)
};
json::object &content
{
json::get<"content"_>(event)
};
mutable_buffer essential
{
contentbuf
};
if(type == "m.room.aliases")
{
content = json::stringify(essential, json::members
{
{ "aliases", unquote(content.at("aliases")) }
});
}
else if(type == "m.room.create")
{
content = json::stringify(essential, json::members
{
{ "creator", unquote(content.at("creator")) }
});
}
else if(type == "m.room.history_visibility")
{
content = json::stringify(essential, json::members
{
{ "history_visibility", unquote(content.at("history_visibility")) }
});
}
else if(type == "m.room.join_rules")
{
content = json::stringify(essential, json::members
{
{ "join_rule", unquote(content.at("join_rule")) }
});
}
else if(type == "m.room.member")
{
content = json::stringify(essential, json::members
{
{ "membership", unquote(content.at("membership")) }
});
}
else if(type == "m.room.power_levels")
{
content = json::stringify(essential, json::members
{
{ "ban", unquote(content.at("ban")) },
{ "events", unquote(content.at("events")) },
{ "events_default", unquote(content.at("events_default")) },
{ "kick", unquote(content.at("kick")) },
{ "redact", unquote(content.at("redact")) },
{ "state_default", unquote(content.at("state_default")) },
{ "users", unquote(content.at("users")) },
{ "users_default", unquote(content.at("users_default")) },
});
}
else if(type == "m.room.redaction")
{
json::get<"redacts"_>(event) = string_view{};
content = "{}"_sv;
}
else
{
content = "{}"_sv;
}
json::get<"signatures"_>(event) = {};
return event;
}