From 1af00abfba71f07baa02d6745bffb623579d6d41 Mon Sep 17 00:00:00 2001 From: default Date: Thu, 22 Feb 2024 14:11:05 +0100 Subject: [PATCH] Also reject posts from accounts that are too old to be true. --- activitypub.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/activitypub.c b/activitypub.c index 33a260e..3e306a6 100644 --- a/activitypub.c +++ b/activitypub.c @@ -1833,16 +1833,29 @@ int process_input_message(snac *snac, xs_dict *msg, xs_dict *req) char *actor_date = xs_dict_get(actor_o, "published"); if (!xs_is_null(actor_date)) { time_t actor_t = xs_parse_iso_date(actor_date, 0); - int td = (int)(time(NULL) - actor_t); - snac_debug(snac, 2, xs_fmt("actor %s age: %d seconds", actor, td)); - - if (td < min_account_age) { - srv_log(xs_fmt("rejected activity from %s (too new, %d seconds)", actor, td)); + if (actor_t < 950000000) { + snac_log(snac, xs_fmt("rejected activity from %s (suspicious date, %s)", + actor, actor_date)); return 1; } + + if (actor_t > 0) { + int td = (int)(time(NULL) - actor_t); + + snac_debug(snac, 2, xs_fmt("actor %s age: %d seconds", actor, td)); + + if (td < min_account_age) { + snac_log(snac, xs_fmt("rejected activity from %s (too new, %d seconds)", + actor, td)); + + return 1; + } + } } + else + snac_log(snac, xs_fmt("warning: empty or null creation date for %s", actor)); } if (strcmp(type, "Follow") == 0) { /** **/