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modules/m_presence: Add per-user rate conf item; add branch to synapse spam infra.

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This commit is contained in:
Jason Volk 2020-09-28 02:08:44 -07:00
parent 1bc05f3900
commit 4170235686
1 changed files with 22 additions and 1 deletions
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23
modules/m_presence.cc
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@ -41,6 +41,14 @@ federation_send
{ "default", false },
};
/// Minimum time between presence events for the same user
conf::item<seconds>
federation_rate_user
{
{ "name", "ircd.m.presence.federation.rate.user" },
{ "default", 305L },
};
log::log
presence_log
{
@ -159,16 +167,29 @@ try
json::get<"origin_server_ts"_>(event) - now_active_ago
};
const time_t ts_diff
{
ircd::time<milliseconds>() - json::get<"origin_server_ts"_>(existing_event)
};
// Ignore any spam on a per-user basis here.
if(seconds(ts_diff / 1000) < seconds(federation_rate_user))
useful = false;
// First way to filter out the synapse presence spam bug is seeing
// if the update is older than the last update.
if(now_active_absolute < prev_active_absolute)
else if(now_active_absolute < prev_active_absolute)
useful = false;
else if(json::get<"presence"_>(object) != unquote(existing_object.get("presence")))
useful = true;
else if(json::get<"currently_active"_>(object) != existing_object.get<bool>("currently_active"))
useful = true;
else if(json::get<"currently_active"_>(object))
useful = true;
else
useful = false;
}};