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Phase 1 (0.6.0-beta): remove direct PostPush for encrypted posts

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Encrypted posts now propagate only via the CDN (ManifestPush + neighbor
header updates), eliminating the sender→recipient traffic signal on the
wire. Encrypted DMs are indistinguishable from any other encrypted post.

- Remove push_post_to_recipients entirely from network.rs
- Remove call sites in create_post and re-encrypt-on-revoke
- PostPush handler now ignores non-public visibility (kept for public
  audience push path)

Known gap: non-follower DMs won't reach until Phase 3 (merged pull +
recipient-match). Followers receive via the existing CDN path — new
posts trigger neighbor-manifest updates, ManifestPush fans out to
downstream holders, recipients pull missing post IDs from followed
authors.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Scott Reimers 2026-04-21 20:46:34 -04:00
parent 921a0ec40a
commit e6265b52b6
3 changed files with 31 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

40
crates/core/src/connection.rs
View file

@ -4958,24 +4958,34 @@ impl ConnectionManager {
}
MessageType::PostPush => {
let push: PostPushPayload = read_payload(recv, MAX_PAYLOAD).await?;
let cm = conn_mgr.lock().await;
let storage = cm.storage.get().await;
if !storage.is_deleted(&push.post.id)?
&& storage.get_post(&push.post.id)?.is_none()
&& crate::content::verify_post_id(&push.post.id, &push.post.post)
{
let _ = storage.store_post_with_visibility(
&push.post.id,
&push.post.post,
&push.post.visibility,
);
let prio = storage.get_post_upstreams(&push.post.id).map(|v| v.len() as u8).unwrap_or(0);
let _ = storage.add_post_upstream(&push.post.id, &remote_node_id, prio);
info!(
// Encrypted posts are no longer accepted via direct push — they propagate
// via the CDN to eliminate the sender→recipient traffic signal.
if !matches!(push.post.visibility, crate::types::PostVisibility::Public) {
debug!(
peer = hex::encode(remote_node_id),
post_id = hex::encode(push.post.id),
"Received direct post push"
"Ignoring non-public PostPush"
);
} else {
let cm = conn_mgr.lock().await;
let storage = cm.storage.get().await;
if !storage.is_deleted(&push.post.id)?
&& storage.get_post(&push.post.id)?.is_none()
&& crate::content::verify_post_id(&push.post.id, &push.post.post)
{
let _ = storage.store_post_with_visibility(
&push.post.id,
&push.post.post,
&push.post.visibility,
);
let prio = storage.get_post_upstreams(&push.post.id).map(|v| v.len() as u8).unwrap_or(0);
let _ = storage.add_post_upstream(&push.post.id, &remote_node_id, prio);
info!(
peer = hex::encode(remote_node_id),
post_id = hex::encode(push.post.id),
"Received direct post push"
);
}
}
}
MessageType::AudienceRequest => {