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Merge pull request #687 from LemmyNet/undo_delete_community

Browse Source 
Undo delete for community, comment, and post.
This commit is contained in:
Dessalines 2020-05-03 13:21:01 -04:00 committed by GitHub
commit 67d4daa7a1
13 changed files with 1142 additions and 26 deletions
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8
server/Cargo.lock generated vendored
View File

@ -2,9 +2,9 @@
# It is not intended for manual editing.
[[package]]
name = "activitystreams"
version = "0.5.0"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae98a55a86fc3150f278b225644cd46b5359f4d75067eae6dc3a52b409c537fb"
checksum = "dd5b29a0f2c64cc56f2b79ec29cab68a9dab3b714d811a55668d072f18a8638e"
dependencies = [
"activitystreams-derive",
"chrono",
@ -17,9 +17,9 @@ dependencies = [
[[package]]
name = "activitystreams-derive"
version = "0.5.0"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "20d0384ae423a1df266f216e351ce9b40e8d369467d9242c086121154b4327dd"
checksum = "985d3ca1ee226e83f4118e0235bc11d9fce39c4eec8d53739a21b01dd0b3f30f"
dependencies = [
"proc-macro2",
"quote",

2
server/Cargo.toml vendored
View File

@ -8,7 +8,7 @@ edition = "2018"
diesel = { version = "1.4.4", features = ["postgres","chrono","r2d2","64-column-tables","serde_json"] }
diesel_migrations = "1.4.0"
dotenv = "0.15.0"
activitystreams = "0.5.0-alpha.16"
activitystreams = "0.6.0"
bcrypt = "0.6.2"
chrono = { version = "0.4.7", features = ["serde"] }
failure = "0.1.5"

10
server/src/api/comment.rs
View File

@ -337,7 +337,15 @@ impl Perform for Oper<EditComment> {
Err(_e) => return Err(APIError::err("couldnt_update_comment").into()),
};
updated_comment.send_update(&user, &conn)?;
if let Some(deleted) = data.deleted.to_owned() {
if deleted {
updated_comment.send_delete(&user, &conn)?;
} else {
updated_comment.send_undo_delete(&user, &conn)?;
}
} else {
updated_comment.send_update(&user, &conn)?;
}
let mut recipient_ids = Vec::new();

15
server/src/api/community.rs
View File

@ -321,7 +321,8 @@ impl Perform for Oper<EditCommunity> {
let conn = pool.get()?;
// Check for a site ban
if UserView::read(&conn, user_id)?.banned {
let user = User_::read(&conn, user_id)?;
if user.banned {
return Err(APIError::err("site_ban").into());
}
@ -358,7 +359,7 @@ impl Perform for Oper<EditCommunity> {
published: None,
};
let _updated_community = match Community::update(&conn, data.edit_id, &community_form) {
let updated_community = match Community::update(&conn, data.edit_id, &community_form) {
Ok(community) => community,
Err(_e) => return Err(APIError::err("couldnt_update_community").into()),
};
@ -379,6 +380,14 @@ impl Perform for Oper<EditCommunity> {
ModRemoveCommunity::create(&conn, &form)?;
}
if let Some(deleted) = data.deleted.to_owned() {
if deleted {
updated_community.send_delete(&user, &conn)?;
} else {
updated_community.send_undo_delete(&user, &conn)?;
}
}
let community_view = CommunityView::read(&conn, data.edit_id, Some(user_id))?;
let res = CommunityResponse {
@ -701,7 +710,7 @@ impl Perform for Oper<TransferCommunity> {
title: read_community.title,
description: read_community.description,
category_id: read_community.category_id,
creator_id: data.user_id,
creator_id: data.user_id, // This makes the new user the community creator
removed: None,
deleted: None,
nsfw: read_community.nsfw,

10
server/src/api/post.rs
View File

@ -541,7 +541,15 @@ impl Perform for Oper<EditPost> {
ModStickyPost::create(&conn, &form)?;
}
updated_post.send_update(&user, &conn)?;
if let Some(deleted) = data.deleted.to_owned() {
if deleted {
updated_post.send_delete(&user, &conn)?;
} else {
updated_post.send_undo_delete(&user, &conn)?;
}
} else {
updated_post.send_update(&user, &conn)?;
}
let post_view = PostView::read(&conn, data.edit_id, Some(user_id))?;

99
server/src/apub/comment.rs
View File

@ -35,6 +35,15 @@ impl ToApub for Comment {
Ok(comment)
}
fn to_tombstone(&self) -> Result<Tombstone, Error> {
create_tombstone(
self.deleted,
&self.ap_id,
self.updated,
NoteType.to_string(),
)
}
}
impl FromApub for CommentForm {
@ -157,6 +166,96 @@ impl ApubObjectType for Comment {
)?;
Ok(())
}
fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let note = self.to_apub(&conn)?;
let post = Post::read(&conn, self.post_id)?;
let community = Community::read(&conn, post.community_id)?;
let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(
&mut delete.object_props,
&community.get_followers_url(),
&id,
)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&delete)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
send_activity(
&delete,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
community.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let note = self.to_apub(&conn)?;
let post = Post::read(&conn, self.post_id)?;
let community = Community::read(&conn, post.community_id)?;
// Generate a fake delete activity, with the correct object
let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(
&mut delete.object_props,
&community.get_followers_url(),
&id,
)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
// TODO
// Undo that fake activity
let undo_id = format!("{}/undo/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut undo = Undo::default();
populate_object_props(
&mut undo.object_props,
&community.get_followers_url(),
&undo_id,
)?;
undo
.undo_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(delete)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&undo)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
send_activity(
&undo,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
community.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
}
impl ApubLikeableType for Comment {

98
server/src/apub/community.rs
View File

@ -45,6 +45,15 @@ impl ToApub for Community {
Ok(group.extend(actor_props).extend(self.get_public_key_ext()))
}
fn to_tombstone(&self) -> Result<Tombstone, Error> {
create_tombstone(
self.deleted,
&self.actor_id,
self.updated,
GroupType.to_string(),
)
}
}
impl ActorType for Community {
@ -94,10 +103,86 @@ impl ActorType for Community {
Ok(())
}
fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let group = self.to_apub(conn)?;
let id = format!("{}/delete/{}", self.actor_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(&mut delete.object_props, &self.get_followers_url(), &id)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(group)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&delete)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
// Note: For an accept, since it was automatic, no one pushed a button,
// the community was the actor.
// But for delete, the creator is the actor, and does the signing
send_activity(
&delete,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
self.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let group = self.to_apub(conn)?;
let id = format!("{}/delete/{}", self.actor_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(&mut delete.object_props, &self.get_followers_url(), &id)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(group)?;
// TODO
// Undo that fake activity
let undo_id = format!("{}/undo/delete/{}", self.actor_id, uuid::Uuid::new_v4());
let mut undo = Undo::default();
populate_object_props(&mut undo.object_props, &self.get_followers_url(), &undo_id)?;
undo
.undo_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(delete)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&undo)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
// Note: For an accept, since it was automatic, no one pushed a button,
// the community was the actor.
// But for delete, the creator is the actor, and does the signing
send_activity(
&undo,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
self.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
/// For a given community, returns the inboxes of all followers.
fn get_follower_inboxes(&self, conn: &PgConnection) -> Result<Vec<String>, Error> {
debug!("got here.");
Ok(
CommunityFollowerView::for_community(conn, self.id)?
.into_iter()
@ -170,8 +255,13 @@ pub async fn get_apub_community_http(
db: DbPoolParam,
) -> Result<HttpResponse<Body>, Error> {
let community = Community::read_from_name(&&db.get()?, &info.community_name)?;
let c = community.to_apub(&db.get().unwrap())?;
Ok(create_apub_response(&c))
if !community.deleted {
Ok(create_apub_response(
&community.to_apub(&db.get().unwrap())?,
))
} else {
Ok(create_apub_tombstone_response(&community.to_tombstone()?))
}
}
/// Returns an empty followers collection, only populating the siz (for privacy).

54
server/src/apub/mod.rs
View File

@ -9,14 +9,17 @@ pub mod signatures;
pub mod user;
pub mod user_inbox;
use crate::api::community::CommunityResponse;
use crate::websocket::server::SendCommunityRoomMessage;
use activitystreams::object::kind::{NoteType, PageType};
use activitystreams::{
activity::{Accept, Create, Dislike, Follow, Like, Update},
actor::{properties::ApActorProperties, Actor, Group, Person},
activity::{Accept, Create, Delete, Dislike, Follow, Like, Undo, Update},
actor::{kind::GroupType, properties::ApActorProperties, Actor, Group, Person},
collection::UnorderedCollection,
context,
endpoint::EndpointProperties,
ext::{Ext, Extensible, Extension},
object::{properties::ObjectProperties, Note, Page},
object::{properties::ObjectProperties, Note, Page, Tombstone},
public, BaseBox,
};
use actix_web::body::Body;
@ -60,6 +63,7 @@ use crate::websocket::{
use crate::{convert_datetime, naive_now, Settings};
use activities::{populate_object_props, send_activity};
use chrono::NaiveDateTime;
use fetcher::{get_or_fetch_and_upsert_remote_community, get_or_fetch_and_upsert_remote_user};
use signatures::verify;
use signatures::{sign, PublicKey, PublicKeyExtension};
@ -87,6 +91,15 @@ where
.json(data)
}
fn create_apub_tombstone_response<T>(data: &T) -> HttpResponse<Body>
where
T: Serialize,
{
HttpResponse::Gone()
.content_type(APUB_JSON_CONTENT_TYPE)
.json(data)
}
/// Generates the ActivityPub ID for a given object type and name.
///
/// TODO: we will probably need to change apub endpoint urls so that html and activity+json content
@ -142,6 +155,35 @@ fn is_apub_id_valid(apub_id: &Url) -> bool {
pub trait ToApub {
type Response;
fn to_apub(&self, conn: &PgConnection) -> Result<Self::Response, Error>;
fn to_tombstone(&self) -> Result<Tombstone, Error>;
}
/// Updated is actually the deletion time
fn create_tombstone(
deleted: bool,
object_id: &str,
updated: Option<NaiveDateTime>,
former_type: String,
) -> Result<Tombstone, Error> {
if deleted {
if let Some(updated) = updated {
let mut tombstone = Tombstone::default();
tombstone.object_props.set_id(object_id)?;
tombstone
.tombstone_props
.set_former_type_xsd_string(former_type)?
.set_deleted(convert_datetime(updated))?;
Ok(tombstone)
} else {
Err(format_err!(
"Cant convert to tombstone because updated time was None."
))
}
} else {
Err(format_err!(
"Cant convert object to tombstone if it wasnt deleted"
))
}
}
pub trait FromApub {
@ -154,11 +196,14 @@ pub trait FromApub {
pub trait ApubObjectType {
fn send_create(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
fn send_update(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
}
pub trait ApubLikeableType {
fn send_like(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
fn send_dislike(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
// TODO add send_undo_like / undo_dislike
}
pub fn get_shared_inbox(actor_id: &str) -> String {
@ -192,6 +237,9 @@ pub trait ActorType {
Err(format_err!("Accept not implemented."))
}
fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
// TODO default because there is no user following yet.
#[allow(unused_variables)]
/// For a given community, returns the inboxes of all followers.

103
server/src/apub/post.rs
View File

@ -12,7 +12,11 @@ pub async fn get_apub_post(
) -> Result<HttpResponse<Body>, Error> {
let id = info.post_id.parse::<i32>()?;
let post = Post::read(&&db.get()?, id)?;
Ok(create_apub_response(&post.to_apub(&db.get().unwrap())?))
if !post.deleted {
Ok(create_apub_response(&post.to_apub(&db.get().unwrap())?))
} else {
Ok(create_apub_tombstone_response(&post.to_tombstone()?))
}
}
impl ToApub for Post {
@ -53,6 +57,15 @@ impl ToApub for Post {
Ok(page)
}
fn to_tombstone(&self) -> Result<Tombstone, Error> {
create_tombstone(
self.deleted,
&self.ap_id,
self.updated,
PageType.to_string(),
)
}
}
impl FromApub for PostForm {
@ -163,6 +176,94 @@ impl ApubObjectType for Post {
)?;
Ok(())
}
fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let page = self.to_apub(conn)?;
let community = Community::read(conn, self.community_id)?;
let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(
&mut delete.object_props,
&community.get_followers_url(),
&id,
)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(page)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&delete)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let community = Community::read(conn, self.community_id)?;
send_activity(
&delete,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
community.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error> {
let page = self.to_apub(conn)?;
let community = Community::read(conn, self.community_id)?;
let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut delete = Delete::default();
populate_object_props(
&mut delete.object_props,
&community.get_followers_url(),
&id,
)?;
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(page)?;
// TODO
// Undo that fake activity
let undo_id = format!("{}/undo/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut undo = Undo::default();
populate_object_props(
&mut undo.object_props,
&community.get_followers_url(),
&undo_id,
)?;
undo
.undo_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(delete)?;
// Insert the sent activity into the activity table
let activity_form = activity::ActivityForm {
user_id: self.creator_id,
data: serde_json::to_value(&undo)?,
local: true,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let community = Community::read(conn, self.community_id)?;
send_activity(
&undo,
&creator.private_key.as_ref().unwrap(),
&creator.actor_id,
community.get_follower_inboxes(&conn)?,
)?;
Ok(())
}
}
impl ApubLikeableType for Post {

478
server/src/apub/shared_inbox.rs
View File

@ -7,6 +7,8 @@ pub enum SharedAcceptedObjects {
Update(Update),
Like(Like),
Dislike(Dislike),
Delete(Delete),
Undo(Undo),
}
impl SharedAcceptedObjects {
@ -16,6 +18,8 @@ impl SharedAcceptedObjects {
SharedAcceptedObjects::Update(u) => u.update_props.get_object_base_box(),
SharedAcceptedObjects::Like(l) => l.like_props.get_object_base_box(),
SharedAcceptedObjects::Dislike(d) => d.dislike_props.get_object_base_box(),
SharedAcceptedObjects::Delete(d) => d.delete_props.get_object_base_box(),
SharedAcceptedObjects::Undo(d) => d.undo_props.get_object_base_box(),
}
}
}
@ -49,6 +53,9 @@ pub async fn shared_inbox(
(SharedAcceptedObjects::Dislike(d), Some("Page")) => {
receive_dislike_post(&d, &request, &conn, chat_server)
}
(SharedAcceptedObjects::Delete(d), Some("Page")) => {
receive_delete_post(&d, &request, &conn, chat_server)
}
(SharedAcceptedObjects::Create(c), Some("Note")) => {
receive_create_comment(&c, &request, &conn, chat_server)
}
@ -61,6 +68,15 @@ pub async fn shared_inbox(
(SharedAcceptedObjects::Dislike(d), Some("Note")) => {
receive_dislike_comment(&d, &request, &conn, chat_server)
}
(SharedAcceptedObjects::Delete(d), Some("Note")) => {
receive_delete_comment(&d, &request, &conn, chat_server)
}
(SharedAcceptedObjects::Delete(d), Some("Group")) => {
receive_delete_community(&d, &request, &conn, chat_server)
}
(SharedAcceptedObjects::Undo(u), Some("Delete")) => {
receive_undo_delete(&u, &request, &conn, chat_server)
}
_ => Err(format_err!("Unknown incoming activity type.")),
}
}
@ -77,7 +93,7 @@ fn receive_create_post(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
.into_concrete::<Page>()?;
let user_uri = create
.create_props
@ -126,7 +142,7 @@ fn receive_create_comment(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Note>()?;
.into_concrete::<Note>()?;
let user_uri = create
.create_props
@ -180,7 +196,7 @@ fn receive_update_post(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
.into_concrete::<Page>()?;
let user_uri = update
.update_props
@ -230,7 +246,7 @@ fn receive_like_post(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
.into_concrete::<Page>()?;
let user_uri = like.like_props.get_actor_xsd_any_uri().unwrap().to_string();
@ -283,7 +299,7 @@ fn receive_dislike_post(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
.into_concrete::<Page>()?;
let user_uri = dislike
.dislike_props
@ -340,7 +356,7 @@ fn receive_update_comment(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Note>()?;
.into_concrete::<Note>()?;
let user_uri = update
.update_props
@ -395,7 +411,7 @@ fn receive_like_comment(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Note>()?;
.into_concrete::<Note>()?;
let user_uri = like.like_props.get_actor_xsd_any_uri().unwrap().to_string();
@ -453,7 +469,7 @@ fn receive_dislike_comment(
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Note>()?;
.into_concrete::<Note>()?;
let user_uri = dislike
.dislike_props
@ -502,3 +518,449 @@ fn receive_dislike_comment(
Ok(HttpResponse::Ok().finish())
}
fn receive_delete_community(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let group = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<GroupExt>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let community_actor_id = CommunityForm::from_apub(&group, &conn)?.actor_id;
let community = Community::read_from_actor_id(conn, &community_actor_id)?;
let community_form = CommunityForm {
name: community.name.to_owned(),
title: community.title.to_owned(),
description: community.description.to_owned(),
category_id: community.category_id, // Note: need to keep this due to foreign key constraint
creator_id: community.creator_id, // Note: need to keep this due to foreign key constraint
removed: None,
published: None,
updated: Some(naive_now()),
deleted: Some(true),
nsfw: community.nsfw,
actor_id: community.actor_id,
local: community.local,
private_key: community.private_key,
public_key: community.public_key,
last_refreshed_at: None,
};
Community::update(&conn, community.id, &community_form)?;
let res = CommunityResponse {
community: CommunityView::read(&conn, community.id, None)?,
};
chat_server.do_send(SendCommunityRoomMessage {
op: UserOperation::EditCommunity,
response: res,
community_id: community.id,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}
fn receive_delete_post(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let page = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<Page>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let post_ap_id = PostForm::from_apub(&page, conn)?.ap_id;
let post = Post::read_from_apub_id(conn, &post_ap_id)?;
let post_form = PostForm {
name: post.name.to_owned(),
url: post.url.to_owned(),
body: post.body.to_owned(),
creator_id: post.creator_id.to_owned(),
community_id: post.community_id,
removed: None,
deleted: Some(true),
nsfw: post.nsfw,
locked: None,
stickied: None,
updated: Some(naive_now()),
embed_title: post.embed_title,
embed_description: post.embed_description,
embed_html: post.embed_html,
thumbnail_url: post.thumbnail_url,
ap_id: post.ap_id,
local: post.local,
published: None,
};
Post::update(&conn, post.id, &post_form)?;
// Refetch the view
let post_view = PostView::read(&conn, post.id, None)?;
let res = PostResponse { post: post_view };
chat_server.do_send(SendPost {
op: UserOperation::EditPost,
post: res,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}
fn receive_delete_comment(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let note = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<Note>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let comment_ap_id = CommentForm::from_apub(&note, &conn)?.ap_id;
let comment = Comment::read_from_apub_id(conn, &comment_ap_id)?;
let comment_form = CommentForm {
content: comment.content.to_owned(),
parent_id: comment.parent_id,
post_id: comment.post_id,
creator_id: comment.creator_id,
removed: None,
deleted: Some(true),
read: None,
published: None,
updated: Some(naive_now()),
ap_id: comment.ap_id,
local: comment.local,
};
Comment::update(&conn, comment.id, &comment_form)?;
// Refetch the view
let comment_view = CommentView::read(&conn, comment.id, None)?;
// TODO get those recipient actor ids from somewhere
let recipient_ids = vec![];
let res = CommentResponse {
comment: comment_view,
recipient_ids,
};
chat_server.do_send(SendComment {
op: UserOperation::EditComment,
comment: res,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}
fn receive_undo_delete(
undo: &Undo,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let delete = undo
.undo_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<Delete>()?;
let type_ = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.kind()
.unwrap();
match type_ {
"Note" => receive_undo_delete_comment(&delete, &request, &conn, chat_server),
"Page" => receive_undo_delete_post(&delete, &request, &conn, chat_server),
"Group" => receive_undo_delete_community(&delete, &request, &conn, chat_server),
d => Err(format_err!("Undo Delete type {} not supported", d)),
}
}
fn receive_undo_delete_comment(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let note = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<Note>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let comment_ap_id = CommentForm::from_apub(&note, &conn)?.ap_id;
let comment = Comment::read_from_apub_id(conn, &comment_ap_id)?;
let comment_form = CommentForm {
content: comment.content.to_owned(),
parent_id: comment.parent_id,
post_id: comment.post_id,
creator_id: comment.creator_id,
removed: None,
deleted: Some(false),
read: None,
published: None,
updated: Some(naive_now()),
ap_id: comment.ap_id,
local: comment.local,
};
Comment::update(&conn, comment.id, &comment_form)?;
// Refetch the view
let comment_view = CommentView::read(&conn, comment.id, None)?;
// TODO get those recipient actor ids from somewhere
let recipient_ids = vec![];
let res = CommentResponse {
comment: comment_view,
recipient_ids,
};
chat_server.do_send(SendComment {
op: UserOperation::EditComment,
comment: res,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}
fn receive_undo_delete_post(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let page = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<Page>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let post_ap_id = PostForm::from_apub(&page, conn)?.ap_id;
let post = Post::read_from_apub_id(conn, &post_ap_id)?;
let post_form = PostForm {
name: post.name.to_owned(),
url: post.url.to_owned(),
body: post.body.to_owned(),
creator_id: post.creator_id.to_owned(),
community_id: post.community_id,
removed: None,
deleted: Some(false),
nsfw: post.nsfw,
locked: None,
stickied: None,
updated: Some(naive_now()),
embed_title: post.embed_title,
embed_description: post.embed_description,
embed_html: post.embed_html,
thumbnail_url: post.thumbnail_url,
ap_id: post.ap_id,
local: post.local,
published: None,
};
Post::update(&conn, post.id, &post_form)?;
// Refetch the view
let post_view = PostView::read(&conn, post.id, None)?;
let res = PostResponse { post: post_view };
chat_server.do_send(SendPost {
op: UserOperation::EditPost,
post: res,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}
fn receive_undo_delete_community(
delete: &Delete,
request: &HttpRequest,
conn: &PgConnection,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
let user_uri = delete
.delete_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let group = delete
.delete_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.into_concrete::<GroupExt>()?;
let user = get_or_fetch_and_upsert_remote_user(&user_uri, &conn)?;
verify(request, &user.public_key.unwrap())?;
// Insert the received activity into the activity table
let activity_form = activity::ActivityForm {
user_id: user.id,
data: serde_json::to_value(&delete)?,
local: false,
updated: None,
};
activity::Activity::create(&conn, &activity_form)?;
let community_actor_id = CommunityForm::from_apub(&group, &conn)?.actor_id;
let community = Community::read_from_actor_id(conn, &community_actor_id)?;
let community_form = CommunityForm {
name: community.name.to_owned(),
title: community.title.to_owned(),
description: community.description.to_owned(),
category_id: community.category_id, // Note: need to keep this due to foreign key constraint
creator_id: community.creator_id, // Note: need to keep this due to foreign key constraint
removed: None,
published: None,
updated: Some(naive_now()),
deleted: Some(false),
nsfw: community.nsfw,
actor_id: community.actor_id,
local: community.local,
private_key: community.private_key,
public_key: community.public_key,
last_refreshed_at: None,
};
Community::update(&conn, community.id, &community_form)?;
let res = CommunityResponse {
community: CommunityView::read(&conn, community.id, None)?,
};
chat_server.do_send(SendCommunityRoomMessage {
op: UserOperation::EditCommunity,
response: res,
community_id: community.id,
my_id: None,
});
Ok(HttpResponse::Ok().finish())
}

11
server/src/apub/user.rs
View File

@ -43,6 +43,9 @@ impl ToApub for User_ {
Ok(person.extend(actor_props).extend(self.get_public_key_ext()))
}
fn to_tombstone(&self) -> Result<Tombstone, Error> {
unimplemented!()
}
}
impl ActorType for User_ {
@ -87,6 +90,14 @@ impl ActorType for User_ {
)?;
Ok(())
}
fn send_delete(&self, _creator: &User_, _conn: &PgConnection) -> Result<(), Error> {
unimplemented!()
}
fn send_undo_delete(&self, _creator: &User_, _conn: &PgConnection) -> Result<(), Error> {
unimplemented!()
}
}
impl FromApub for UserForm {

1
server/src/db/community.rs
View File

@ -22,6 +22,7 @@ pub struct Community {
pub last_refreshed_at: chrono::NaiveDateTime,
}
// TODO add better delete, remove, lock actions here.
#[derive(Insertable, AsChangeset, Clone, Serialize, Deserialize, Debug)]
#[table_name = "community"]
pub struct CommunityForm {

279
ui/src/api_tests/api.spec.ts vendored
View File

@ -13,6 +13,9 @@ import {
GetPostResponse,
CommentForm,
CommentResponse,
CommunityForm,
GetCommunityForm,
GetCommunityResponse,
} from '../interfaces';
let lemmyAlphaUrl = 'http://localhost:8540';
@ -326,6 +329,282 @@ describe('main', () => {
expect(getPostRes.comments[1].creator_local).toBe(false);
});
});
describe('delete things', () => {
test('/u/lemmy_beta deletes and undeletes a federated comment, post, and community, lemmy_alpha sees its deleted.', async () => {
// Create a test community
let communityName = 'test_community';
let communityForm: CommunityForm = {
name: communityName,
title: communityName,
category_id: 1,
nsfw: false,
auth: lemmyBetaAuth,
};
let createCommunityRes: CommunityResponse = await fetch(
`${lemmyBetaApiUrl}/community`,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(communityForm),
}
).then(d => d.json());
expect(createCommunityRes.community.name).toBe(communityName);
// Cache it on lemmy_alpha
let searchUrl = `${lemmyAlphaApiUrl}/search?q=http://lemmy_beta:8550/c/${communityName}&type_=All&sort=TopAll`;
let searchResponse: SearchResponse = await fetch(searchUrl, {
method: 'GET',
}).then(d => d.json());
let communityOnAlphaId = searchResponse.communities[0].id;
// Follow it
let followForm: FollowCommunityForm = {
community_id: communityOnAlphaId,
follow: true,
auth: lemmyAlphaAuth,
};
let followRes: CommunityResponse = await fetch(
`${lemmyAlphaApiUrl}/community/follow`,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(followForm),
}
).then(d => d.json());
// Make sure the follow response went through
expect(followRes.community.local).toBe(false);
expect(followRes.community.name).toBe(communityName);
// Lemmy beta creates a test post
let postName = 'A jest test post with delete';
let createPostForm: PostForm = {
name: postName,
auth: lemmyBetaAuth,
community_id: createCommunityRes.community.id,
creator_id: 2,
nsfw: false,
};
let createPostRes: PostResponse = await fetch(`${lemmyBetaApiUrl}/post`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(createPostForm),
}).then(d => d.json());
expect(createPostRes.post.name).toBe(postName);
// Lemmy beta creates a test comment
let commentContent = 'A jest test federated comment with delete';
let createCommentForm: CommentForm = {
content: commentContent,
post_id: createPostRes.post.id,
auth: lemmyBetaAuth,
};
let createCommentRes: CommentResponse = await fetch(
`${lemmyBetaApiUrl}/comment`,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(createCommentForm),
}
).then(d => d.json());
expect(createCommentRes.comment.content).toBe(commentContent);
// lemmy_beta deletes the comment
let deleteCommentForm: CommentForm = {
content: commentContent,
edit_id: createCommentRes.comment.id,
post_id: createPostRes.post.id,
deleted: true,
auth: lemmyBetaAuth,
creator_id: createCommentRes.comment.creator_id,
};
let deleteCommentRes: CommentResponse = await fetch(
`${lemmyBetaApiUrl}/comment`,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(deleteCommentForm),
}
).then(d => d.json());
expect(deleteCommentRes.comment.deleted).toBe(true);
// lemmy_alpha sees that the comment is deleted
let getPostUrl = `${lemmyAlphaApiUrl}/post?id=3`;
let getPostRes: GetPostResponse = await fetch(getPostUrl, {
method: 'GET',
}).then(d => d.json());
expect(getPostRes.comments[0].deleted).toBe(true);
// lemmy_beta undeletes the comment
let undeleteCommentForm: CommentForm = {
content: commentContent,
edit_id: createCommentRes.comment.id,
post_id: createPostRes.post.id,
deleted: false,
auth: lemmyBetaAuth,
creator_id: createCommentRes.comment.creator_id,
};
let undeleteCommentRes: CommentResponse = await fetch(
`${lemmyBetaApiUrl}/comment`,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(undeleteCommentForm),
}
).then(d => d.json());
expect(undeleteCommentRes.comment.deleted).toBe(false);
// lemmy_alpha sees that the comment is undeleted
let getPostUndeleteRes: GetPostResponse = await fetch(getPostUrl, {
method: 'GET',
}).then(d => d.json());
expect(getPostUndeleteRes.comments[0].deleted).toBe(false);
// lemmy_beta deletes the post
let deletePostForm: PostForm = {
name: postName,
edit_id: createPostRes.post.id,
auth: lemmyBetaAuth,
community_id: createPostRes.post.community_id,
creator_id: createPostRes.post.creator_id,
nsfw: false,
deleted: true,
};
let deletePostRes: PostResponse = await fetch(`${lemmyBetaApiUrl}/post`, {
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(deletePostForm),
}).then(d => d.json());
expect(deletePostRes.post.deleted).toBe(true);
// Make sure lemmy_alpha sees the post is deleted
let getPostResAgain: GetPostResponse = await fetch(getPostUrl, {
method: 'GET',
}).then(d => d.json());
expect(getPostResAgain.post.deleted).toBe(true);
// lemmy_beta undeletes the post
let undeletePostForm: PostForm = {
name: postName,
edit_id: createPostRes.post.id,
auth: lemmyBetaAuth,
community_id: createPostRes.post.community_id,
creator_id: createPostRes.post.creator_id,
nsfw: false,
deleted: false,
};
let undeletePostRes: PostResponse = await fetch(
`${lemmyBetaApiUrl}/post`,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(undeletePostForm),
}
).then(d => d.json());
expect(undeletePostRes.post.deleted).toBe(false);
// Make sure lemmy_alpha sees the post is undeleted
let getPostResAgainTwo: GetPostResponse = await fetch(getPostUrl, {
method: 'GET',
}).then(d => d.json());
expect(getPostResAgainTwo.post.deleted).toBe(false);
// lemmy_beta deletes the community
let deleteCommunityForm: CommunityForm = {
name: communityName,
title: communityName,
category_id: 1,
edit_id: createCommunityRes.community.id,
nsfw: false,
deleted: true,
auth: lemmyBetaAuth,
};
let deleteResponse: CommunityResponse = await fetch(
`${lemmyBetaApiUrl}/community`,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(deleteCommunityForm),
}
).then(d => d.json());
// Make sure the delete went through
expect(deleteResponse.community.deleted).toBe(true);
// Re-get it from alpha, make sure its deleted there too
let getCommunityUrl = `${lemmyAlphaApiUrl}/community?id=${communityOnAlphaId}&auth=${lemmyAlphaAuth}`;
let getCommunityRes: GetCommunityResponse = await fetch(getCommunityUrl, {
method: 'GET',
}).then(d => d.json());
expect(getCommunityRes.community.deleted).toBe(true);
// lemmy_beta undeletes the community
let undeleteCommunityForm: CommunityForm = {
name: communityName,
title: communityName,
category_id: 1,
edit_id: createCommunityRes.community.id,
nsfw: false,
deleted: false,
auth: lemmyBetaAuth,
};
let undeleteCommunityRes: CommunityResponse = await fetch(
`${lemmyBetaApiUrl}/community`,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
},
body: wrapper(undeleteCommunityForm),
}
).then(d => d.json());
// Make sure the delete went through
expect(undeleteCommunityRes.community.deleted).toBe(false);
// Re-get it from alpha, make sure its deleted there too
let getCommunityResAgain: GetCommunityResponse = await fetch(
getCommunityUrl,
{
method: 'GET',
}
).then(d => d.json());
expect(getCommunityResAgain.community.deleted).toBe(false);
});
});
});
function wrapper(form: any): string {