local only communities - do not federate

app/activitypub/routes.py

@@ -589,6 +589,10 @@ def process_inbox_request(request_json, activitypublog_id, ip_address):
                     follow_id = request_json['id']
                     user = find_actor_or_create(user_ap_id)
                     community = find_actor_or_create(community_ap_id)
+                    if community and community.local_only:
+                        # todo: send Deny activity
+                        activity_log.exception_message = 'Local only cannot be followed by remote users'
+                    else:
                         if user is not None and community is not None:
                             # check if user is banned from this community
                             banned = CommunityBan.query.filter_by(user_id=user.id, community_id=community.id).first()

app/activitypub/util.py

@@ -917,6 +917,10 @@ def delete_post_or_comment_task(user_ap_id, community_ap_id, to_be_deleted_ap_id
 
 
 def create_post_reply(activity_log: ActivityPubLog, community: Community, in_reply_to, request_json: dict, user: User, announce_id=None) -> Union[Post, None]:
+    if community.local_only:
+        activity_log.exception_message = 'Community is local only, reply discarded'
+        activity_log.result = 'ignored'
+        return None
     post_id, parent_comment_id, root_id = find_reply_parent(in_reply_to)
     if post_id or parent_comment_id or root_id:
         # set depth to +1 of the parent depth
@@ -1006,6 +1010,10 @@ def create_post_reply(activity_log: ActivityPubLog, community: Community, in_rep
 
 
 def create_post(activity_log: ActivityPubLog, community: Community, request_json: dict, user: User, announce_id=None) -> Union[Post, None]:
+    if community.local_only:
+        activity_log.exception_message = 'Community is local only, post discarded'
+        activity_log.result = 'ignored'
+        return None
     post = Post(user_id=user.id, community_id=community.id,
                 title=html.unescape(request_json['object']['name']),
                 comments_enabled=request_json['object']['commentsEnabled'],

app/community/routes.py

@@ -376,6 +376,7 @@ def add_post(actor):
 
         notify_about_post(post)
 
+        if not community.local_only:
             page = {
                 'type': 'Page',
                 'id': post.ap_id,

app/post/routes.py

@@ -232,6 +232,7 @@ def post_vote(post_id: int, vote_direction):
         post.author.reputation += effect
         db.session.add(vote)
 
+        if not post.community.local_only:
             action_type = 'Like' if vote_direction == 'upvote' else 'Dislike'
             action_json = {
                 'actor': current_user.profile_id(),
@@ -325,6 +326,7 @@ def comment_vote(comment_id, vote_direction):
             ...
             # todo: federate vote
         else:
+            if not comment.community.local_only:
                 action_type = 'Like' if vote_direction == 'upvote' else 'Dislike'
                 action_json = {
                     'actor': current_user.profile_id(),
@@ -438,6 +440,7 @@ def add_reply(post_id: int, comment_id: int):
         post.flush_cache()
 
         # federation
+        if not post.community.local_only:
             reply_json = {
                 'type': 'Note',
                 'id': reply.profile_id(),
@@ -566,6 +569,7 @@ def post_edit(post_id: int):
             flash(_('Your changes have been saved.'), 'success')
             # federate edit
 
+            if not post.community.local_only:
                 page_json = {
                     'type': 'Page',
                     'id': post.ap_id,
@@ -680,6 +684,7 @@ def post_delete(post_id: int):
         db.session.commit()
         flash(_('Post deleted.'))
 
+        if not community.local_only:
             delete_json = {
                 'id': f"https://{current_app.config['SERVER_NAME']}/activities/delete/{gibberish(15)}",
                 'type': 'Delete',
@@ -919,6 +924,7 @@ def post_reply_edit(post_id: int, comment_id: int):
             else:
                 in_reply_to = post
             # federate edit
+            if not post.community.local_only:
                 reply_json = {
                     'type': 'Note',
                     'id': post_reply.profile_id(),
@@ -1014,6 +1020,7 @@ def post_reply_delete(post_id: int, comment_id: int):
         post.flush_cache()
         flash(_('Comment deleted.'))
         # federate delete
+        if not post.community.local_only:
             delete_json = {
                 'id': f"https://{current_app.config['SERVER_NAME']}/activities/delete/{gibberish(15)}",
                 'type': 'Delete',