Merge branch 'master' of grunfink-codeberg:grunfink/snac2

Reviewed-on: https://codeberg.org/grunfink/snac2/pulls/159

activitypub.c

@@ -1941,6 +1941,8 @@ int process_input_message(snac *snac, xs_dict *msg, xs_dict *req)
     }
     else
     if (strcmp(type, "Undo") == 0) { /** **/
+        char *id = xs_dict_get(object, "object");
+
         if (xs_type(object) != XSTYPE_DICT)
             utype = "Follow";
 
@@ -1952,6 +1954,23 @@ int process_input_message(snac *snac, xs_dict *msg, xs_dict *req)
             else
                 snac_log(snac, xs_fmt("error deleting follower %s", actor));
         }
+        else
+        if (strcmp(utype, "Like") == 0) { /** **/
+            int status = object_unadmire(id, actor, 1);
+
+            snac_log(snac, xs_fmt("Unlike for %s %d", id, status));
+        }
+        else
+        if (strcmp(utype, "Announce") == 0) { /** **/
+            int status = 200;
+
+            /* commented out: if a followed user boosts something that
+               is requested and then unboosts, the post remains here,
+               but with no apparent reason, and that is confusing */
+            //status = object_unadmire(id, actor, 0);
+
+            snac_log(snac, xs_fmt("Unboost for %s %d", id, status));
+        }
         else
             snac_debug(snac, 1, xs_fmt("ignored 'Undo' for object type '%s'", utype));
     }

data.c

@@ -406,7 +406,7 @@ int index_del_md5(const char *fn, const char *md5)
         fclose(f);
     }
     else
-        status = 500;
+        status = 410;
 
     pthread_mutex_unlock(&data_mutex);
 
@@ -917,6 +917,9 @@ int object_unadmire(const char *id, const char *actor, int like)
 
     status = index_del(fn, actor);
 
+    if (valid_status(status))
+        index_gc(fn);
+
     srv_debug(0,
         xs_fmt("object_unadmire (%s) %s %s %d", like ? "Like" : "Announce", actor, fn, status));
 
@@ -2743,6 +2746,16 @@ void purge_server(void)
                     }
                 }
             }
+
+            /* delete index backups */
+            xs *specb = xs_fmt("%s/" "*.bak", v);
+            xs *bakfs = xs_glob(specb, 0, 0);
+
+            p2 = bakfs;
+            while (xs_list_iter(&p2, &v2)) {
+                unlink(v2);
+                srv_debug(1, xs_fmt("purged %s", v2));
+            }
         }
     }
 

httpd.c

@@ -388,6 +388,7 @@ void httpd_connection(FILE *f)
                                 body, xs_dict_get(srv_config, "host"));
 
         headers = xs_dict_append(headers, "WWW-Authenticate", www_auth);
+        headers = xs_dict_append(headers, "Cache-Control", "no-cache, must-revalidate, max-age=0");
     }
 
     if (ctype == NULL)