From 36e9bd1628fd22a4b69171d4d910c2ba8dce08b5 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Sat, 23 Jan 2021 10:11:56 +0000
Subject: [PATCH] Avoid duplicates in alternate addresses

---
 daemon.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/daemon.py b/daemon.py
index 6afb1ef54..2af845979 100644
--- a/daemon.py
+++ b/daemon.py
@@ -4335,7 +4335,8 @@ class PubServer(BaseHTTPRequestHandler):
                             for altActor in newAlsoKnownAs:
                                 altActor = altActor.strip()
                                 if '://' in altActor and '.' in altActor:
-                                    alsoKnownAs.append(altActor)
+                                    if altActor not in alsoKnownAs:
+                                        alsoKnownAs.append(altActor)
                             actorJson['alsoKnownAs'] = alsoKnownAs
                             actorChanged = True
                     else: