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modules/federation/make_join: Upgrade to json::stack; use m::room:: interfaces.

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This commit is contained in:
Jason Volk 2019-04-17 06:52:09 -07:00
parent 4f45571526
commit fd6c2fb2aa
1 changed files with 63 additions and 47 deletions
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110
modules/federation/make_join.cc
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@ -72,91 +72,107 @@ get__make_join(client &client,
room_id
};
if(!exists(room))
throw m::NOT_FOUND
{
"Room %s is not known here.",
string_view{room_id}
};
if(!room.visible(user_id))
throw m::ACCESS_DENIED
{
"You are not permitted to view the room at this event."
};
int64_t depth;
m::id::event::buf prev_event_id;
std::tie(prev_event_id, depth, std::ignore) = m::top(room_id);
const m::event::fetch evf
const unique_buffer<mutable_buffer> buf
{
prev_event_id, std::nothrow
8_KiB
};
const json::value prev[]
json::stack out{buf};
json::stack::object top{out};
json::stack::object event
{
{ string_view{prev_event_id} },
{ json::get<"hashes"_>(evf) }
top, "event"
};
const json::value prevs[]
{
{ prev, 2 }
const m::room::auth auth{room};
json::stack::array auth_events
{
event, "auth_events"
};
static const string_view types[]
{
"m.room.create",
"m.room.join_rules",
"m.room.power_levels",
"m.room.member",
};
auth.make_refs(auth_events, types, user_id);
}
json::stack::member
{
event, "content", R"({"membership":"join"})"
};
const m::room::state state
json::stack::member
{
room_id
event, "depth", json::value(m::depth(room) + 1L)
};
auto auth_event_idx
json::stack::member
{
state.get(std::nothrow, "m.room.member", user_id)
event, "origin", request.origin
};
if(!auth_event_idx)
auth_event_idx = state.get("m.room.create");
const auto auth_event_id
json::stack::member
{
m::event_id(auth_event_idx)
event, "origin_server_ts", json::value(time<milliseconds>())
};
const m::event::fetch aevf
{
auth_event_idx, std::nothrow
const m::room::head head{room};
json::stack::array prev_events
{
event, "prev_events"
};
head.make_refs(prev_events, 32, true);
}
json::stack::member
{
event, "room_id", room.room_id
};
const json::value auth[]
json::stack::member
{
{ string_view{auth_event_id} },
{ json::get<"hashes"_>(aevf) }
event, "sender", user_id
};
const json::value auths[]
json::stack::member
{
{ auth, 2 }
event, "state_key", user_id
};
thread_local char bufs[96_KiB];
mutable_buffer buf{bufs};
json::iov content, event, wrapper;
const json::iov::push push[]
json::stack::member
{
{ event, { "origin", request.origin }},
{ event, { "origin_server_ts", time<milliseconds>() }},
{ event, { "room_id", room_id }},
{ event, { "type", "m.room.member" }},
{ event, { "state_key", user_id }},
{ event, { "sender", user_id }},
{ event, { "depth", depth + 1 }},
{ event, { "membership", "join" }},
{ content, { "membership", "join" }},
{ event, { "auth_events", { auths, 1 } }},
{ event, { "prev_state", "[]" }},
{ event, { "prev_events", { prevs, 1 } }},
{ event, { "content", stringify(buf, content) }},
{ wrapper, { "event", stringify(buf, event) }},
event, "type", "m.room.member"
};
event.~object();
top.~object();
return resource::response
{
client, wrapper
client, json::object
{
out.completed()
}
};
}