From 3b8a43013d2e602135d73070dd3922b77bdfaefa Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Wed, 28 Sep 2022 05:16:17 +0200
Subject: [PATCH] Check for muted actors in Announce messages.

---
 activitypub.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/activitypub.c b/activitypub.c
index 2020caf..fc90fe6 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -563,6 +563,7 @@ void process_message(snac *snac, char *msg, char *req)
     /* actor and type exist, were checked previously */
     char *actor  = xs_dict_get(msg, "actor");
     char *type   = xs_dict_get(msg, "type");
+    xs *actor_o = NULL;
 
     char *object, *utype;
 
@@ -572,6 +573,9 @@ void process_message(snac *snac, char *msg, char *req)
     else
         utype = "(null)";
 
+    /* bring the actor */
+    actor_request(snac, actor, &actor_o);
+
     /* check the signature */
     /* ... */
 
@@ -632,13 +636,25 @@ void process_message(snac *snac, char *msg, char *req)
     }
     else
     if (strcmp(type, "Announce") == 0) {
+        xs *a_msg = NULL;
+
         if (xs_type(object) == XSTYPE_DICT)
             object = xs_dict_get(object, "id");
 
         timeline_request(snac, object, actor);
 
-        timeline_admire(snac, object, actor, 0);
-        snac_log(snac, xs_fmt("new 'Announce' %s %s", actor, object));
+        if ((a_msg = timeline_find(snac, object)) != NULL) {
+            char *who = xs_dict_get(a_msg, "attributedTo");
+
+            if (who && !is_muted(snac, who)) {
+                timeline_admire(snac, object, actor, 0);
+                snac_log(snac, xs_fmt("new 'Announce' %s %s", actor, object));
+            }
+            else
+                snac_log(snac, xs_fmt("ignored 'Announce' about muted actor %s", who));
+        }
+        else
+            snac_log(snac, xs_fmt("error requesting 'Announce' object %s", object));
     }
 /*
     else