Fix federation of community removal/deletion, added docs (#125)

Adding a federation test for community deletes / removes.

Add missing docs for community deletion/removal (fixes #1250)

Fix federation of community deletion/removal (fixes #1253)

Co-authored-by: Dessalines <tyhou13@gmx.com>
Co-authored-by: Felix Ableitner <me@nutomic.com>
Reviewed-on: https://yerbamate.dev/LemmyNet/lemmy/pulls/125
This commit is contained in:
nutomic 2020-11-05 20:19:06 +00:00 committed by dessalines
parent 60517f8471
commit b7d2dac9bf
9 changed files with 166 additions and 76 deletions

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@ -8,7 +8,10 @@ import {
createCommunity,
deleteCommunity,
removeCommunity,
getCommunity,
followCommunity,
delay,
longDelay,
} from './shared';
import {
Community,
@ -55,6 +58,21 @@ test('Create community', async () => {
test('Delete community', async () => {
let communityRes = await createCommunity(beta);
await delay();
// Cache the community on Alpha
let searchShort = `!${communityRes.community.name}@lemmy-beta:8551`;
let search = await searchForCommunity(alpha, searchShort);
let communityOnAlpha = search.communities[0];
assertCommunityFederation(communityOnAlpha, communityRes.community);
await delay();
// Follow the community from alpha
let follow = await followCommunity(alpha, true, communityOnAlpha.id);
// Make sure the follow response went through
expect(follow.community.local).toBe(false);
await delay();
let deleteCommunityRes = await deleteCommunity(
beta,
true,
@ -64,11 +82,9 @@ test('Delete community', async () => {
await delay();
// Make sure it got deleted on A
let search = await searchForBetaCommunity(alpha);
let communityA = search.communities[0];
// TODO this fails currently, because no updates are pushed
// expect(communityA.deleted).toBe(true);
// assertCommunityFederation(communityA, communityRes.community);
let communityOnAlphaDeleted = await getCommunity(alpha, communityOnAlpha.id);
expect(communityOnAlphaDeleted.community.deleted).toBe(true);
await delay();
// Undelete
let undeleteCommunityRes = await deleteCommunity(
@ -80,29 +96,39 @@ test('Delete community', async () => {
await delay();
// Make sure it got undeleted on A
let search2 = await searchForBetaCommunity(alpha);
let communityA2 = search2.communities[0];
// TODO this fails currently, because no updates are pushed
// expect(communityA2.deleted).toBe(false);
// assertCommunityFederation(communityA2, undeleteCommunityRes.community);
let communityOnAlphaUnDeleted = await getCommunity(alpha, communityOnAlpha.id);
expect(communityOnAlphaUnDeleted.community.deleted).toBe(false);
});
test('Remove community', async () => {
let communityRes = await createCommunity(beta);
await delay();
// Cache the community on Alpha
let searchShort = `!${communityRes.community.name}@lemmy-beta:8551`;
let search = await searchForCommunity(alpha, searchShort);
let communityOnAlpha = search.communities[0];
assertCommunityFederation(communityOnAlpha, communityRes.community);
await delay();
// Follow the community from alpha
let follow = await followCommunity(alpha, true, communityOnAlpha.id);
// Make sure the follow response went through
expect(follow.community.local).toBe(false);
await delay();
let removeCommunityRes = await removeCommunity(
beta,
true,
communityRes.community.id
);
expect(removeCommunityRes.community.removed).toBe(true);
await delay();
// Make sure it got removed on A
let search = await searchForBetaCommunity(alpha);
let communityA = search.communities[0];
// TODO this fails currently, because no updates are pushed
// expect(communityA.removed).toBe(true);
// assertCommunityFederation(communityA, communityRes.community);
// Make sure it got Removed on A
let communityOnAlphaRemoved = await getCommunity(alpha, communityOnAlpha.id);
expect(communityOnAlphaRemoved.community.removed).toBe(true);
await delay();
// unremove
@ -114,15 +140,18 @@ test('Remove community', async () => {
expect(unremoveCommunityRes.community.removed).toBe(false);
await delay();
// Make sure it got unremoved on A
let search2 = await searchForBetaCommunity(alpha);
let communityA2 = search2.communities[0];
// TODO this fails currently, because no updates are pushed
// expect(communityA2.removed).toBe(false);
// assertCommunityFederation(communityA2, unremoveCommunityRes.community);
// Make sure it got undeleted on A
let communityOnAlphaUnRemoved = await getCommunity(alpha, communityOnAlpha.id);
expect(communityOnAlphaUnRemoved.community.removed).toBe(false);
});
test('Search for beta community', async () => {
let search = await searchForBetaCommunity(alpha);
expect(search.communities[0].name).toBe('main');
let communityRes = await createCommunity(beta);
expect(communityRes.community.name).toBeDefined();
await delay();
let searchShort = `!${communityRes.community.name}@lemmy-beta:8551`;
let search = await searchForCommunity(alpha, searchShort);
let communityOnAlpha = search.communities[0];
assertCommunityFederation(communityOnAlpha, communityRes.community);
});

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@ -20,6 +20,7 @@ import {
RemoveCommentForm,
SearchForm,
CommentResponse,
GetCommunityForm,
CommunityForm,
DeleteCommunityForm,
RemoveCommunityForm,
@ -402,6 +403,16 @@ export async function createCommunity(
return api.client.createCommunity(form);
}
export async function getCommunity(
api: API,
id: number,
): Promise<CommunityResponse> {
let form: GetCommunityForm = {
id,
};
return api.client.getCommunity(form);
}
export async function deleteCommunity(
api: API,
deleted: boolean,

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@ -8,4 +8,14 @@ for Item in alpha beta gamma delta epsilon ; do
sudo chown -R 991:991 volumes/pictrs_$Item
done
sudo docker-compose up
sudo docker-compose up -d
echo "Waiting for Lemmy to start..."
while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'localhost:8541/api/v1/site')" != "200" ]]; do sleep 1; done
while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'localhost:8551/api/v1/site')" != "200" ]]; do sleep 1; done
while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'localhost:8561/api/v1/site')" != "200" ]]; do sleep 1; done
while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'localhost:8571/api/v1/site')" != "200" ]]; do sleep 1; done
while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'localhost:8581/api/v1/site')" != "200" ]]; do sleep 1; done
echo "All instances started."
sudo docker-compose logs -f

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@ -559,6 +559,56 @@ Sent to: User
|---|---|---|
| `object` | yes | Any `Create`, `Update`, `Like`, `Dislike`, `Delete` `Remove` or `Undo` activity as described above |
### Remove or Delete Community
```json
{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "http://ds9.lemmy.ml/activities/remove/e4ca7688-af9d-48b7-864f-765e7f9f3591",
"type": "Remove",
"actor": "http://ds9.lemmy.ml/c/some_community",
"cc": [
"http://ds9.lemmy.ml/c/some_community/followers"
],
"to": "https://www.w3.org/ns/activitystreams#Public",
"object": "http://ds9.lemmy.ml/c/some_community"
}
```
| Field Name | Mandatory | Description |
|---|---|---|
| `type` | yes | Either `Remove` or `Delete` |
### Restore Removed or Deleted Community
```json
{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "http://ds9.lemmy.ml/activities/like/0703668c-8b09-4a85-aa7a-f93621936901",
"type": "Undo",
"actor": "http://ds9.lemmy.ml/c/some_community",
"to": "https://www.w3.org/ns/activitystreams#Public",
"cc": [
"http://ds9.lemmy.ml/c/testcom/followers"
],
"object": {
"@context": "https://www.w3.org/ns/activitystreams",
"id": "http://ds9.lemmy.ml/activities/remove/1062b5e0-07e8-44fc-868c-854209935bdd",
"type": "Remove",
"actor": "http://ds9.lemmy.ml/c/some_community",
"object": "http://ds9.lemmy.ml/c/testcom",
"to": "https://www.w3.org/ns/activitystreams#Public",
"cc": [
"http://ds9.lemmy.ml/c/testcom/followers"
]
}
}
```
| Field Name | Mandatory | Description |
|---|---|---|
| `object.type` | yes | Either `Remove` or `Delete` |
### Create or Update Private message
Creates a new private message between two users.

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@ -327,9 +327,9 @@ impl Perform for DeleteCommunity {
// Send apub messages
if deleted {
updated_community.send_delete(&user, context).await?;
updated_community.send_delete(context).await?;
} else {
updated_community.send_undo_delete(&user, context).await?;
updated_community.send_undo_delete(context).await?;
}
let edit_id = data.edit_id;
@ -395,9 +395,9 @@ impl Perform for RemoveCommunity {
// Apub messages
if removed {
updated_community.send_remove(&user, context).await?;
updated_community.send_remove(context).await?;
} else {
updated_community.send_undo_remove(&user, context).await?;
updated_community.send_undo_remove(context).await?;
}
let edit_id = data.edit_id;

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@ -4,7 +4,6 @@ use crate::{
check_is_apub_id_valid,
fetcher::get_or_fetch_and_upsert_user,
ActorType,
ToApub,
};
use activitystreams::{
activity::{
@ -23,7 +22,7 @@ use activitystreams::{
};
use anyhow::Context;
use itertools::Itertools;
use lemmy_db::{community::Community, community_view::CommunityFollowerView, user::User_, DbPool};
use lemmy_db::{community::Community, community_view::CommunityFollowerView, DbPool};
use lemmy_structs::blocking;
use lemmy_utils::{location_info, settings::Settings, LemmyError};
use lemmy_websocket::LemmyContext;
@ -85,10 +84,8 @@ impl ActorType for Community {
}
/// If the creator of a community deletes the community, send this to all followers.
async fn send_delete(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
let group = self.to_apub(context.pool()).await?;
let mut delete = Delete::new(creator.actor_id.to_owned(), group.into_any_base()?);
async fn send_delete(&self, context: &LemmyContext) -> Result<(), LemmyError> {
let mut delete = Delete::new(self.actor_id()?, self.actor_id()?);
delete
.set_context(activitystreams::context())
.set_id(generate_activity_id(DeleteType::Delete)?)
@ -100,21 +97,15 @@ impl ActorType for Community {
}
/// If the creator of a community reverts the deletion of a community, send this to all followers.
async fn send_undo_delete(
&self,
creator: &User_,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let group = self.to_apub(context.pool()).await?;
let mut delete = Delete::new(creator.actor_id.to_owned(), group.into_any_base()?);
async fn send_undo_delete(&self, context: &LemmyContext) -> Result<(), LemmyError> {
let mut delete = Delete::new(self.actor_id()?, self.actor_id()?);
delete
.set_context(activitystreams::context())
.set_id(generate_activity_id(DeleteType::Delete)?)
.set_to(public())
.set_many_ccs(vec![self.get_followers_url()?]);
let mut undo = Undo::new(creator.actor_id.to_owned(), delete.into_any_base()?);
let mut undo = Undo::new(self.actor_id()?, delete.into_any_base()?);
undo
.set_context(activitystreams::context())
.set_id(generate_activity_id(UndoType::Undo)?)
@ -126,8 +117,8 @@ impl ActorType for Community {
}
/// If an admin removes a community, send this to all followers.
async fn send_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
let mut remove = Remove::new(mod_.actor_id.to_owned(), self.actor_id()?);
async fn send_remove(&self, context: &LemmyContext) -> Result<(), LemmyError> {
let mut remove = Remove::new(self.actor_id()?, self.actor_id()?);
remove
.set_context(activitystreams::context())
.set_id(generate_activity_id(RemoveType::Remove)?)
@ -139,8 +130,8 @@ impl ActorType for Community {
}
/// If an admin reverts the removal of a community, send this to all followers.
async fn send_undo_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
let mut remove = Remove::new(mod_.actor_id.to_owned(), self.actor_id()?);
async fn send_undo_remove(&self, context: &LemmyContext) -> Result<(), LemmyError> {
let mut remove = Remove::new(self.actor_id()?, self.actor_id()?);
remove
.set_context(activitystreams::context())
.set_id(generate_activity_id(RemoveType::Remove)?)
@ -148,7 +139,7 @@ impl ActorType for Community {
.set_many_ccs(vec![self.get_followers_url()?]);
// Undo that fake activity
let mut undo = Undo::new(mod_.actor_id.to_owned(), remove.into_any_base()?);
let mut undo = Undo::new(self.actor_id()?, remove.into_any_base()?);
undo
.set_context(activitystreams::context())
.set_id(generate_activity_id(LikeType::Like)?)

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@ -94,27 +94,19 @@ impl ActorType for User_ {
unimplemented!()
}
async fn send_delete(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
async fn send_delete(&self, _context: &LemmyContext) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_undo_delete(
&self,
_creator: &User_,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
async fn send_undo_delete(&self, _context: &LemmyContext) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_remove(&self, _creator: &User_, _context: &LemmyContext) -> Result<(), LemmyError> {
async fn send_remove(&self, _context: &LemmyContext) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_undo_remove(
&self,
_creator: &User_,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
async fn send_undo_remove(&self, _context: &LemmyContext) -> Result<(), LemmyError> {
unimplemented!()
}

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@ -251,10 +251,14 @@ pub(crate) async fn get_or_fetch_and_upsert_user(
Ok(u) if !u.local && should_refetch_actor(u.last_refreshed_at) => {
debug!("Fetching and updating from remote user: {}", apub_id);
let person =
fetch_remote_object::<PersonExt>(context.client(), apub_id, recursion_counter).await?;
fetch_remote_object::<PersonExt>(context.client(), apub_id, recursion_counter).await;
// If fetching failed, return the existing data.
if person.is_err() {
return Ok(u);
}
let mut uf = UserForm::from_apub(
&person,
&person?,
context,
Some(apub_id.to_owned()),
recursion_counter,
@ -320,7 +324,7 @@ pub(crate) async fn get_or_fetch_and_upsert_community(
match community {
Ok(c) if !c.local && should_refetch_actor(c.last_refreshed_at) => {
debug!("Fetching and updating from remote community: {}", apub_id);
fetch_remote_community(apub_id, context, Some(c.id), recursion_counter).await
fetch_remote_community(apub_id, context, Some(c), recursion_counter).await
}
Ok(c) => Ok(c),
Err(NotFound {}) => {
@ -331,17 +335,24 @@ pub(crate) async fn get_or_fetch_and_upsert_community(
}
}
/// Request a community by apub ID from a remote instance, including moderators. If `community_id`,
/// Request a community by apub ID from a remote instance, including moderators. If `old_community`,
/// is set, this is an update for a community which is already known locally. If not, we don't know
/// the community yet and also pull the outbox, to get some initial posts.
async fn fetch_remote_community(
apub_id: &Url,
context: &LemmyContext,
community_id: Option<i32>,
old_community: Option<Community>,
recursion_counter: &mut i32,
) -> Result<Community, LemmyError> {
let group = fetch_remote_object::<GroupExt>(context.client(), apub_id, recursion_counter).await?;
let group = fetch_remote_object::<GroupExt>(context.client(), apub_id, recursion_counter).await;
// If fetching failed, return the existing data.
if let Some(ref c) = old_community {
if group.is_err() {
return Ok(c.to_owned());
}
}
let group = group?;
let cf =
CommunityForm::from_apub(&group, context, Some(apub_id.to_owned()), recursion_counter).await?;
let community = blocking(context.pool(), move |conn| Community::upsert(conn, &cf)).await??;
@ -364,7 +375,7 @@ async fn fetch_remote_community(
}
// TODO: need to make this work to update mods of existing communities
if community_id.is_none() {
if old_community.is_none() {
let community_id = community.id;
blocking(context.pool(), move |conn| {
for mod_ in creator_and_moderators {

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@ -189,15 +189,11 @@ pub trait ActorType {
context: &LemmyContext,
) -> Result<(), LemmyError>;
async fn send_delete(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_undo_delete(
&self,
creator: &User_,
context: &LemmyContext,
) -> Result<(), LemmyError>;
async fn send_delete(&self, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_undo_delete(&self, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_undo_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_remove(&self, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_undo_remove(&self, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_announce(
&self,