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Code Issues Projects Releases Wiki Activity

Making the chat server an actor. (#2793)

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* Making the chat server an actor.

- Fixes #2778
- #2787

* Forgot to add handlers folder.

* Some cleanup.

* Forgot to remove a comment.

* Address PR comments.

* Using ToString for enum operations.
This commit is contained in:
Dessalines 2023-04-13 06:53:55 -04:00 committed by GitHub
parent 844cde9db3
commit 63f54a3103
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66 changed files with 1478 additions and 1237 deletions
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20
Cargo.lock generated
View file

@ -58,6 +58,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f728064aca1c318585bf4bb04ffcfac9e75e508ab4e8b1bd9ba5dfe04e2cbed5"
dependencies = [
"actix-rt",
"actix_derive",
"bitflags",
"bytes",
"crossbeam-channel",
@ -324,16 +325,14 @@ dependencies = [
]
[[package]]
name = "actix-ws"
version = "0.2.5"
name = "actix_derive"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "535aec173810be3ca6f25dd5b4d431ae7125d62000aa3cbae1ec739921b02cf3"
checksum = "6d44b8fee1ced9671ba043476deddef739dd0959bf77030b26b738cc591737a7"
dependencies = [
"actix-codec",
"actix-http",
"actix-web",
"futures-core",
"tokio",
"proc-macro2 1.0.47",
"quote 1.0.21",
"syn 1.0.103",
]
[[package]]
@ -2409,9 +2408,9 @@ dependencies = [
name = "lemmy_api_common"
version = "0.17.1"
dependencies = [
"actix",
"actix-rt",
"actix-web",
"actix-ws",
"anyhow",
"chrono",
"encoding",
@ -2461,6 +2460,7 @@ name = "lemmy_apub"
version = "0.17.1"
dependencies = [
"activitypub_federation",
"actix",
"actix-rt",
"actix-web",
"anyhow",
@ -2589,10 +2589,10 @@ name = "lemmy_server"
version = "0.17.1"
dependencies = [
"activitypub_federation",
"actix",
"actix-rt",
"actix-web",
"actix-web-actors",
"actix-ws",
"clokwerk",
"console-subscriber",
"diesel",

4
Cargo.toml
View file

@ -104,7 +104,7 @@ rosetta-i18n = "0.1.2"
rand = "0.8.5"
opentelemetry = { version = "0.17.0", features = ["rt-tokio"] }
tracing-opentelemetry = { version = "0.17.2" }
actix-ws = "0.2.0"
actix = "0.13"
[dependencies]
lemmy_api = { workspace = true }
@ -133,7 +133,7 @@ doku = { workspace = true }
reqwest-retry = { workspace = true }
serde_json = { workspace = true }
futures = { workspace = true }
actix-ws = { workspace = true }
actix = { workspace = true }
tracing-opentelemetry = { workspace = true, optional = true }
opentelemetry = { workspace = true, optional = true }
actix-web-actors = { version = "4.1.0", default-features = false }

22
crates/api/src/comment/like.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
comment::{CommentResponse, CreateCommentLike},
context::LemmyContext,
utils::{check_community_ban, check_downvotes_enabled, get_local_user_view_from_jwt},
websocket::{send::send_comment_ws_message, UserOperation},
websocket::UserOperation,
};
use lemmy_db_schema::{
newtypes::LocalUserId,
@ -78,15 +78,15 @@ impl Perform for CreateCommentLike {
.map_err(|e| LemmyError::from_error_message(e, "couldnt_like_comment"))?;
}
send_comment_ws_message(
data.comment_id,
UserOperation::CreateCommentLike,
websocket_id,
None,
Some(local_user_view.person.id),
recipient_ids,
context,
)
.await
context
.send_comment_ws_message(
&UserOperation::CreateCommentLike,
data.comment_id,
websocket_id,
None,
Some(local_user_view.person.id),
recipient_ids,
)
.await
}
}

15
crates/api/src/comment_report/create.rs
View file

@ -69,15 +69,12 @@ impl Perform for CreateCommentReport {
comment_report_view,
};
context
.chat_server()
.send_mod_room_message(
UserOperation::CreateCommentReport,
&res,
comment_view.community.id,
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::CreateCommentReport,
&res,
comment_view.community.id,
websocket_id,
)?;
Ok(res)
}

15
crates/api/src/comment_report/resolve.rs
View file

@ -49,15 +49,12 @@ impl Perform for ResolveCommentReport {
comment_report_view,
};
context
.chat_server()
.send_mod_room_message(
UserOperation::ResolveCommentReport,
&res,
report.community.id,
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::ResolveCommentReport,
&res,
report.community.id,
websocket_id,
)?;
Ok(res)
}

16
crates/api/src/community/add_mod.rs
View file

@ -70,15 +70,13 @@ impl Perform for AddModToCommunity {
let moderators = CommunityModeratorView::for_community(context.pool(), community_id).await?;
let res = AddModToCommunityResponse { moderators };
context
.chat_server()
.send_community_room_message(
&UserOperation::AddModToCommunity,
&res,
community_id,
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::AddModToCommunity,
&res,
community_id,
websocket_id,
)?;
Ok(res)
}
}

22
crates/api/src/community/ban.rs
View file

@ -4,7 +4,11 @@ use lemmy_api_common::{
community::{BanFromCommunity, BanFromCommunityResponse},
context::LemmyContext,
utils::{get_local_user_view_from_jwt, is_mod_or_admin, remove_user_data_in_community},
websocket::UserOperation,
websocket::{
handlers::messages::SendCommunityRoomMessage,
serialize_websocket_message,
UserOperation,
},
};
use lemmy_db_schema::{
source::{
@ -95,15 +99,13 @@ impl Perform for BanFromCommunity {
banned: data.ban,
};
context
.chat_server()
.send_community_room_message(
&UserOperation::BanFromCommunity,
&res,
community_id,
websocket_id,
)
.await?;
// A custom ban message
let message = serialize_websocket_message(&UserOperation::BanFromCommunity, &res)?;
context.chat_server().do_send(SendCommunityRoomMessage {
community_id,
message,
websocket_id,
});
Ok(res)
}

12
crates/api/src/community/hide.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
community::{CommunityResponse, HideCommunity},
context::LemmyContext,
utils::{get_local_user_view_from_jwt, is_admin},
websocket::{send::send_community_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -50,7 +50,13 @@ impl Perform for HideCommunity {
ModHideCommunity::create(context.pool(), &mod_hide_community_form).await?;
let op = UserOperationCrud::EditCommunity;
send_community_ws_message(data.community_id, op, websocket_id, None, context).await
context
.send_community_ws_message(
&UserOperationCrud::EditCommunity,
data.community_id,
websocket_id,
None,
)
.await
}
}

5
crates/api/src/local_user/add_admin.rs
View file

@ -56,10 +56,7 @@ impl Perform for AddAdmin {
let res = AddAdminResponse { admins };
context
.chat_server()
.send_all_message(UserOperation::AddAdmin, &res, websocket_id)
.await?;
context.send_all_ws_message(&UserOperation::AddAdmin, &res, websocket_id)?;
Ok(res)
}

5
crates/api/src/local_user/ban_person.rs
View file

@ -79,10 +79,7 @@ impl Perform for BanPerson {
banned: data.ban,
};
context
.chat_server()
.send_all_message(UserOperation::BanPerson, &res, websocket_id)
.await?;
context.send_all_ws_message(&UserOperation::BanPerson, &res, websocket_id)?;
Ok(res)
}

6
crates/api/src/local_user/get_captcha.rs
View file

@ -5,7 +5,7 @@ use chrono::Duration;
use lemmy_api_common::{
context::LemmyContext,
person::{CaptchaResponse, GetCaptcha, GetCaptchaResponse},
websocket::structs::CaptchaItem,
websocket::{handlers::captcha::AddCaptcha, structs::CaptchaItem},
};
use lemmy_db_schema::{source::local_site::LocalSite, utils::naive_now};
use lemmy_utils::{error::LemmyError, ConnectionId};
@ -47,7 +47,9 @@ impl Perform for GetCaptcha {
};
// Stores the captcha item on the queue
context.chat_server().add_captcha(captcha_item)?;
context.chat_server().do_send(AddCaptcha {
captcha: captcha_item,
});
Ok(GetCaptchaResponse {
ok: Some(CaptchaResponse { png, wav, uuid }),

18
crates/api/src/post/feature.rs
View file

@ -10,7 +10,7 @@ use lemmy_api_common::{
is_admin,
is_mod_or_admin,
},
websocket::{send::send_post_ws_message, UserOperation},
websocket::UserOperation,
};
use lemmy_db_schema::{
source::{
@ -82,13 +82,13 @@ impl Perform for FeaturePost {
ModFeaturePost::create(context.pool(), &form).await?;
send_post_ws_message(
data.post_id,
UserOperation::FeaturePost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
context
.send_post_ws_message(
&UserOperation::FeaturePost,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await
}
}

18
crates/api/src/post/like.rs
View file

@ -10,7 +10,7 @@ use lemmy_api_common::{
get_local_user_view_from_jwt,
mark_post_as_read,
},
websocket::{send::send_post_ws_message, UserOperation},
websocket::UserOperation,
};
use lemmy_db_schema::{
source::{
@ -69,13 +69,13 @@ impl Perform for CreatePostLike {
// Mark the post as read
mark_post_as_read(person_id, post_id, context.pool()).await?;
send_post_ws_message(
data.post_id,
UserOperation::CreatePostLike,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
context
.send_post_ws_message(
&UserOperation::CreatePostLike,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await
}
}

18
crates/api/src/post/lock.rs
View file

@ -9,7 +9,7 @@ use lemmy_api_common::{
get_local_user_view_from_jwt,
is_mod_or_admin,
},
websocket::{send::send_post_ws_message, UserOperation},
websocket::UserOperation,
};
use lemmy_db_schema::{
source::{
@ -71,13 +71,13 @@ impl Perform for LockPost {
};
ModLockPost::create(context.pool(), &form).await?;
send_post_ws_message(
data.post_id,
UserOperation::LockPost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
context
.send_post_ws_message(
&UserOperation::LockPost,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await
}
}

15
crates/api/src/post_report/create.rs
View file

@ -69,15 +69,12 @@ impl Perform for CreatePostReport {
let res = PostReportResponse { post_report_view };
context
.chat_server()
.send_mod_room_message(
UserOperation::CreatePostReport,
&res,
post_view.community.id,
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::CreatePostReport,
&res,
post_view.community.id,
websocket_id,
)?;
Ok(res)
}

15
crates/api/src/post_report/resolve.rs
View file

@ -46,15 +46,12 @@ impl Perform for ResolvePostReport {
let res = PostReportResponse { post_report_view };
context
.chat_server()
.send_mod_room_message(
UserOperation::ResolvePostReport,
&res,
report.community.id,
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::ResolvePostReport,
&res,
report.community.id,
websocket_id,
)?;
Ok(res)
}

11
crates/api/src/private_message/mark_read.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
private_message::{MarkPrivateMessageAsRead, PrivateMessageResponse},
utils::get_local_user_view_from_jwt,
websocket::{send::send_pm_ws_message, UserOperation},
websocket::UserOperation,
};
use lemmy_db_schema::{
source::private_message::{PrivateMessage, PrivateMessageUpdateForm},
@ -45,7 +45,12 @@ impl Perform for MarkPrivateMessageAsRead {
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_private_message"))?;
// No need to send an apub update
let op = UserOperation::MarkPrivateMessageAsRead;
send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
context
.send_pm_ws_message(
&UserOperation::MarkPrivateMessageAsRead,
data.private_message_id,
websocket_id,
)
.await
}
}

15
crates/api/src/private_message_report/create.rs
View file

@ -68,15 +68,12 @@ impl Perform for CreatePrivateMessageReport {
private_message_report_view,
};
context
.chat_server()
.send_mod_room_message(
UserOperation::CreatePrivateMessageReport,
&res,
CommunityId(0),
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::CreatePrivateMessageReport,
&res,
CommunityId(0),
websocket_id,
)?;
// TODO: consider federating this

15
crates/api/src/private_message_report/resolve.rs
View file

@ -48,15 +48,12 @@ impl Perform for ResolvePrivateMessageReport {
private_message_report_view,
};
context
.chat_server()
.send_mod_room_message(
UserOperation::ResolvePrivateMessageReport,
&res,
CommunityId(0),
websocket_id,
)
.await?;
context.send_mod_ws_message(
&UserOperation::ResolvePrivateMessageReport,
&res,
CommunityId(0),
websocket_id,
)?;
Ok(res)
}

55
crates/api/src/websocket.rs
View file

@ -3,15 +3,18 @@ use actix_web::web::Data;
use lemmy_api_common::{
context::LemmyContext,
utils::get_local_user_view_from_jwt,
websocket::structs::{
CommunityJoin,
CommunityJoinResponse,
ModJoin,
ModJoinResponse,
PostJoin,
PostJoinResponse,
UserJoin,
UserJoinResponse,
websocket::{
handlers::join_rooms::{JoinCommunityRoom, JoinModRoom, JoinPostRoom, JoinUserRoom},
structs::{
CommunityJoin,
CommunityJoinResponse,
ModJoin,
ModJoinResponse,
PostJoin,
PostJoinResponse,
UserJoin,
UserJoinResponse,
},
},
};
use lemmy_utils::{error::LemmyError, ConnectionId};
@ -30,10 +33,11 @@ impl Perform for UserJoin {
let local_user_view =
get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
if let Some(ws_id) = websocket_id {
context
.chat_server()
.join_user_room(local_user_view.local_user.id, ws_id)?;
if let Some(id) = websocket_id {
context.chat_server().do_send(JoinUserRoom {
user_id: local_user_view.local_user.id,
id,
});
}
Ok(UserJoinResponse { joined: true })
@ -52,10 +56,11 @@ impl Perform for CommunityJoin {
) -> Result<CommunityJoinResponse, LemmyError> {
let data: &CommunityJoin = self;
if let Some(ws_id) = websocket_id {
context
.chat_server()
.join_community_room(data.community_id, ws_id)?;
if let Some(id) = websocket_id {
context.chat_server().do_send(JoinCommunityRoom {
community_id: data.community_id,
id,
});
}
Ok(CommunityJoinResponse { joined: true })
@ -74,10 +79,11 @@ impl Perform for ModJoin {
) -> Result<ModJoinResponse, LemmyError> {
let data: &ModJoin = self;
if let Some(ws_id) = websocket_id {
context
.chat_server()
.join_mod_room(data.community_id, ws_id)?;
if let Some(id) = websocket_id {
context.chat_server().do_send(JoinModRoom {
community_id: data.community_id,
id,
});
}
Ok(ModJoinResponse { joined: true })
@ -96,8 +102,11 @@ impl Perform for PostJoin {
) -> Result<PostJoinResponse, LemmyError> {
let data: &PostJoin = self;
if let Some(ws_id) = websocket_id {
context.chat_server().join_post_room(data.post_id, ws_id)?;
if let Some(id) = websocket_id {
context.chat_server().do_send(JoinPostRoom {
post_id: data.post_id,
id,
});
}
Ok(PostJoinResponse { joined: true })

2
crates/api_common/Cargo.toml
View file

@ -40,7 +40,7 @@ serde_json = { workspace = true }
anyhow = { workspace = true }
strum = { workspace = true }
strum_macros = { workspace = true }
actix-ws = { workspace = true }
actix = { workspace = true }
futures = { workspace = true }
uuid = { workspace = true }
actix-rt = { workspace = true }

7
crates/api_common/src/context.rs
View file

@ -1,4 +1,5 @@
use crate::websocket::chat_server::ChatServer;
use actix::Addr;
use lemmy_db_schema::{source::secret::Secret, utils::DbPool};
use lemmy_utils::{
rate_limit::RateLimitCell,
@ -10,7 +11,7 @@ use std::sync::Arc;
#[derive(Clone)]
pub struct LemmyContext {
pool: DbPool,
chat_server: Arc<ChatServer>,
chat_server: Addr<ChatServer>,
client: Arc<ClientWithMiddleware>,
secret: Arc<Secret>,
rate_limit_cell: RateLimitCell,
@ -19,7 +20,7 @@ pub struct LemmyContext {
impl LemmyContext {
pub fn create(
pool: DbPool,
chat_server: Arc<ChatServer>,
chat_server: Addr<ChatServer>,
client: ClientWithMiddleware,
secret: Secret,
rate_limit_cell: RateLimitCell,
@ -35,7 +36,7 @@ impl LemmyContext {
pub fn pool(&self) -> &DbPool {
&self.pool
}
pub fn chat_server(&self) -> &Arc<ChatServer> {
pub fn chat_server(&self) -> &Addr<ChatServer> {
&self.chat_server
}
pub fn client(&self) -> &ClientWithMiddleware {

391
crates/api_common/src/websocket/chat_server.rs
View file

@ -1,30 +1,16 @@
use crate::{
comment::CommentResponse,
post::PostResponse,
websocket::{serialize_websocket_message, structs::CaptchaItem, OperationType},
use crate::websocket::{
handlers::{SessionInfo, WsMessage},
structs::CaptchaItem,
};
use actix_ws::Session;
use anyhow::Context as acontext;
use futures::future::join_all;
use actix::{Actor, Context};
use lemmy_db_schema::newtypes::{CommunityId, LocalUserId, PostId};
use lemmy_utils::{error::LemmyError, location_info, ConnectionId};
use lemmy_utils::ConnectionId;
use rand::{rngs::StdRng, SeedableRng};
use serde::Serialize;
use std::{
collections::{HashMap, HashSet},
sync::{Mutex, MutexGuard},
};
use tracing::log::warn;
use std::collections::{HashMap, HashSet};
/// `ChatServer` manages chat rooms and responsible for coordinating chat
/// session.
pub struct ChatServer {
inner: Mutex<ChatServerInner>,
}
pub struct ChatServerInner {
/// A map from generated random ID to session addr
pub sessions: HashMap<ConnectionId, Session>,
pub sessions: HashMap<ConnectionId, SessionInfo>,
/// A map from post_id to set of connectionIDs
pub post_rooms: HashMap<PostId, HashSet<ConnectionId>>,
@ -48,347 +34,44 @@ pub struct ChatServerInner {
/// And manages available rooms. Peers send messages to other peers in same
/// room through `ChatServer`.
impl ChatServer {
pub fn startup() -> ChatServer {
pub fn new() -> ChatServer {
ChatServer {
inner: Mutex::new(ChatServerInner {
sessions: Default::default(),
post_rooms: Default::default(),
community_rooms: Default::default(),
mod_rooms: Default::default(),
user_rooms: Default::default(),
rng: StdRng::from_entropy(),
captchas: vec![],
}),
sessions: Default::default(),
post_rooms: Default::default(),
community_rooms: Default::default(),
mod_rooms: Default::default(),
user_rooms: Default::default(),
rng: StdRng::from_entropy(),
captchas: vec![],
}
}
pub fn join_community_room(
&self,
community_id: CommunityId,
id: ConnectionId,
) -> Result<(), LemmyError> {
let mut inner = self.inner()?;
// remove session from all rooms
for sessions in inner.community_rooms.values_mut() {
sessions.remove(&id);
}
// Also leave all post rooms
// This avoids double messages
for sessions in inner.post_rooms.values_mut() {
sessions.remove(&id);
}
// If the room doesn't exist yet
if inner.community_rooms.get_mut(&community_id).is_none() {
inner.community_rooms.insert(community_id, HashSet::new());
}
inner
.community_rooms
.get_mut(&community_id)
.context(location_info!())?
.insert(id);
Ok(())
}
pub fn join_mod_room(
&self,
community_id: CommunityId,
id: ConnectionId,
) -> Result<(), LemmyError> {
let mut inner = self.inner()?;
// remove session from all rooms
for sessions in inner.mod_rooms.values_mut() {
sessions.remove(&id);
}
// If the room doesn't exist yet
if inner.mod_rooms.get_mut(&community_id).is_none() {
inner.mod_rooms.insert(community_id, HashSet::new());
}
inner
.mod_rooms
.get_mut(&community_id)
.context(location_info!())?
.insert(id);
Ok(())
}
pub fn join_post_room(&self, post_id: PostId, id: ConnectionId) -> Result<(), LemmyError> {
let mut inner = self.inner()?;
// remove session from all rooms
for sessions in inner.post_rooms.values_mut() {
sessions.remove(&id);
}
// Also leave all communities
// This avoids double messages
// TODO found a bug, whereby community messages like
// delete and remove aren't sent, because
// you left the community room
for sessions in inner.community_rooms.values_mut() {
sessions.remove(&id);
}
// If the room doesn't exist yet
if inner.post_rooms.get_mut(&post_id).is_none() {
inner.post_rooms.insert(post_id, HashSet::new());
}
inner
.post_rooms
.get_mut(&post_id)
.context(location_info!())?
.insert(id);
Ok(())
}
pub fn join_user_room(&self, user_id: LocalUserId, id: ConnectionId) -> Result<(), LemmyError> {
let mut inner = self.inner()?;
// remove session from all rooms
for sessions in inner.user_rooms.values_mut() {
sessions.remove(&id);
}
// If the room doesn't exist yet
if inner.user_rooms.get_mut(&user_id).is_none() {
inner.user_rooms.insert(user_id, HashSet::new());
}
inner
.user_rooms
.get_mut(&user_id)
.context(location_info!())?
.insert(id);
Ok(())
}
async fn send_post_room_message<OP, Response>(
&self,
op: &OP,
response: &Response,
post_id: PostId,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
Response: Serialize,
{
let msg = serialize_websocket_message(op, response)?;
let room = self.inner()?.post_rooms.get(&post_id).cloned();
self.send_message_in_room(&msg, room, websocket_id).await?;
Ok(())
}
/// Send message to all users viewing the given community.
pub async fn send_community_room_message<OP, Response>(
&self,
op: &OP,
response: &Response,
community_id: CommunityId,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
Response: Serialize,
{
let msg = serialize_websocket_message(op, response)?;
let room = self.inner()?.community_rooms.get(&community_id).cloned();
self.send_message_in_room(&msg, room, websocket_id).await?;
Ok(())
}
/// Send message to mods of a given community. Set community_id = 0 to send to site admins.
pub async fn send_mod_room_message<OP, Response>(
&self,
op: OP,
response: &Response,
community_id: CommunityId,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
Response: Serialize,
{
let msg = serialize_websocket_message(&op, response)?;
let room = self.inner()?.mod_rooms.get(&community_id).cloned();
self.send_message_in_room(&msg, room, websocket_id).await?;
Ok(())
}
pub async fn send_all_message<OP, Response>(
&self,
op: OP,
response: &Response,
exclude_connection: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
Response: Serialize,
{
let msg = &serialize_websocket_message(&op, response)?;
let sessions = self.inner()?.sessions.clone();
// Note, this will ignore any errors, such as closed connections
join_all(
sessions
.into_iter()
.filter(|(id, _)| Some(id) != exclude_connection.as_ref())
.map(|(_, mut s): (_, Session)| async move { s.text(msg).await }),
)
.await;
Ok(())
}
pub async fn send_user_room_message<OP, Response>(
&self,
op: &OP,
response: &Response,
recipient_id: LocalUserId,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
Response: Serialize,
{
let msg = serialize_websocket_message(op, response)?;
let room = self.inner()?.user_rooms.get(&recipient_id).cloned();
self.send_message_in_room(&msg, room, websocket_id).await?;
Ok(())
}
pub async fn send_comment<OP>(
&self,
user_operation: &OP,
comment: &CommentResponse,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
{
let mut comment_reply_sent = comment.clone();
// Strip out my specific user info
comment_reply_sent.comment_view.my_vote = None;
// Send it to the post room
let mut comment_post_sent = comment_reply_sent.clone();
// Remove the recipients here to separate mentions / user messages from post or community comments
comment_post_sent.recipient_ids = Vec::new();
self
.send_post_room_message(
user_operation,
&comment_post_sent,
comment_post_sent.comment_view.post.id,
websocket_id,
)
.await?;
// Send it to the community too
self
.send_community_room_message(
user_operation,
&comment_post_sent,
CommunityId(0),
websocket_id,
)
.await?;
self
.send_community_room_message(
user_operation,
&comment_post_sent,
comment.comment_view.community.id,
websocket_id,
)
.await?;
// Send it to the recipient(s) including the mentioned users
for recipient_id in &comment_reply_sent.recipient_ids {
self
.send_user_room_message(
user_operation,
&comment_reply_sent,
*recipient_id,
websocket_id,
)
.await?;
}
Ok(())
}
pub async fn send_post<OP>(
&self,
user_operation: &OP,
post_res: &PostResponse,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
OP: OperationType + ToString,
{
let community_id = post_res.post_view.community.id;
// Don't send my data with it
let mut post_sent = post_res.clone();
post_sent.post_view.my_vote = None;
// Send it to /c/all and that community
self
.send_community_room_message(user_operation, &post_sent, CommunityId(0), websocket_id)
.await?;
self
.send_community_room_message(user_operation, &post_sent, community_id, websocket_id)
.await?;
// Send it to the post room
self
.send_post_room_message(
user_operation,
&post_sent,
post_res.post_view.post.id,
websocket_id,
)
.await?;
Ok(())
}
/// Send websocket message in all sessions which joined a specific room.
///
/// `message` - The json message body to send
/// `room` - Connection IDs which should receive the message
/// `exclude_connection` - Dont send to user who initiated the api call, as that
/// would result in duplicate notification
async fn send_message_in_room(
pub fn send_message(
&self,
connections: &HashSet<ConnectionId>,
message: &str,
room: Option<HashSet<ConnectionId>>,
exclude_connection: Option<ConnectionId>,
) -> Result<(), LemmyError> {
let mut session = self.inner()?.sessions.clone();
if let Some(room) = room {
// Note, this will ignore any errors, such as closed connections
join_all(
room
.into_iter()
.filter(|c| Some(c) != exclude_connection.as_ref())
.filter_map(|c| session.remove(&c))
.map(|mut s: Session| async move { s.text(message).await }),
)
.await;
}
Ok(())
}
pub(in crate::websocket) fn inner(&self) -> Result<MutexGuard<'_, ChatServerInner>, LemmyError> {
match self.inner.lock() {
Ok(g) => Ok(g),
Err(e) => {
warn!("Failed to lock chatserver mutex: {}", e);
Err(LemmyError::from_message("Failed to lock chatserver mutex"))
) {
for id in connections
.iter()
.filter(|c| Some(*c) != exclude_connection.as_ref())
{
if let Some(session) = self.sessions.get(id) {
session.addr.do_send(WsMessage(message.to_owned()));
}
}
}
}
impl Default for ChatServer {
fn default() -> Self {
Self::new()
}
}
/// Make actor from `ChatServer`
impl Actor for ChatServer {
/// We are going to use simple Context, we just need ability to communicate
/// with other actors.
type Context = Context<Self>;
}

83
crates/api_common/src/websocket/handlers.rs
View file

@ -1,83 +0,0 @@
use crate::websocket::{chat_server::ChatServer, structs::CaptchaItem};
use actix_ws::Session;
use lemmy_db_schema::{
newtypes::{CommunityId, PostId},
utils::naive_now,
};
use lemmy_utils::{error::LemmyError, ConnectionId};
use rand::Rng;
impl ChatServer {
/// Handler for Connect message.
///
/// Register new session and assign unique id to this session
pub fn handle_connect(&self, session: Session) -> Result<ConnectionId, LemmyError> {
let mut inner = self.inner()?;
// register session with random id
let id = inner.rng.gen::<usize>();
inner.sessions.insert(id, session);
Ok(id)
}
/// Handler for Disconnect message.
pub fn handle_disconnect(&self, connection_id: &ConnectionId) -> Result<(), LemmyError> {
let mut inner = self.inner()?;
// Remove connections from sessions and all 3 scopes
if inner.sessions.remove(connection_id).is_some() {
for sessions in inner.user_rooms.values_mut() {
sessions.remove(connection_id);
}
for sessions in inner.post_rooms.values_mut() {
sessions.remove(connection_id);
}
for sessions in inner.community_rooms.values_mut() {
sessions.remove(connection_id);
}
}
Ok(())
}
pub fn get_users_online(&self) -> Result<usize, LemmyError> {
Ok(self.inner()?.sessions.len())
}
pub fn get_post_users_online(&self, post_id: PostId) -> Result<usize, LemmyError> {
if let Some(users) = self.inner()?.post_rooms.get(&post_id) {
Ok(users.len())
} else {
Ok(0)
}
}
pub fn get_community_users_online(&self, community_id: CommunityId) -> Result<usize, LemmyError> {
if let Some(users) = self.inner()?.community_rooms.get(&community_id) {
Ok(users.len())
} else {
Ok(0)
}
}
pub fn add_captcha(&self, captcha: CaptchaItem) -> Result<(), LemmyError> {
self.inner()?.captchas.push(captcha);
Ok(())
}
pub fn check_captcha(&self, uuid: String, answer: String) -> Result<bool, LemmyError> {
let mut inner = self.inner()?;
// Remove all the ones that are past the expire time
inner.captchas.retain(|x| x.expires.gt(&naive_now()));
let check = inner
.captchas
.iter()
.any(|r| r.uuid == uuid && r.answer.to_lowercase() == answer.to_lowercase());
// Remove this uuid so it can't be re-checked (Checks only work once)
inner.captchas.retain(|x| x.uuid != uuid);
Ok(check)
}
}

45
crates/api_common/src/websocket/handlers/captcha.rs Normal file
View file

@ -0,0 +1,45 @@
use crate::websocket::{chat_server::ChatServer, structs::CaptchaItem};
use actix::{Context, Handler, Message};
use lemmy_db_schema::utils::naive_now;
/// Adding a Captcha
#[derive(Message)]
#[rtype(result = "()")]
pub struct AddCaptcha {
pub captcha: CaptchaItem,
}
impl Handler<AddCaptcha> for ChatServer {
type Result = ();
fn handle(&mut self, msg: AddCaptcha, _: &mut Context<Self>) -> Self::Result {
self.captchas.push(msg.captcha);
}
}
/// Checking a Captcha
#[derive(Message)]
#[rtype(bool)]
pub struct CheckCaptcha {
pub uuid: String,
pub answer: String,
}
impl Handler<CheckCaptcha> for ChatServer {
type Result = bool;
fn handle(&mut self, msg: CheckCaptcha, _: &mut Context<Self>) -> Self::Result {
// Remove all the ones that are past the expire time
self.captchas.retain(|x| x.expires.gt(&naive_now()));
let check = self
.captchas
.iter()
.any(|r| r.uuid == msg.uuid && r.answer.to_lowercase() == msg.answer.to_lowercase());
// Remove this uuid so it can't be re-checked (Checks only work once)
self.captchas.retain(|x| x.uuid != msg.uuid);
check
}
}

62
crates/api_common/src/websocket/handlers/connect.rs Normal file
View file

@ -0,0 +1,62 @@
use crate::websocket::{
chat_server::ChatServer,
handlers::{SessionInfo, WsMessage},
};
use actix::{Context, Handler, Message, Recipient};
use lemmy_utils::ConnectionId;
use rand::Rng;
/// New chat session is created
#[derive(Message)]
#[rtype(ConnectionId)]
pub struct Connect {
pub addr: Recipient<WsMessage>,
}
/// Handler for Connect message.
///
/// Register new session and assign unique id to this session
impl Handler<Connect> for ChatServer {
type Result = ConnectionId;
fn handle(&mut self, msg: Connect, _: &mut Context<Self>) -> Self::Result {
// register session with random id
let id = self.rng.gen::<usize>();
let session = SessionInfo { addr: msg.addr };
self.sessions.insert(id, session);
// send id back
id
}
}
/// Session is disconnected
#[derive(Message)]
#[rtype(result = "()")]
pub struct Disconnect {
pub id: ConnectionId,
}
/// Handler for Disconnect message.
impl Handler<Disconnect> for ChatServer {
type Result = ();
fn handle(&mut self, msg: Disconnect, _: &mut Context<Self>) -> Self::Result {
// remove address
if self.sessions.remove(&msg.id).is_some() {
// remove session from all rooms
for sessions in self.user_rooms.values_mut() {
sessions.remove(&msg.id);
}
for sessions in self.post_rooms.values_mut() {
sessions.remove(&msg.id);
}
for sessions in self.community_rooms.values_mut() {
sessions.remove(&msg.id);
}
for sessions in self.mod_rooms.values_mut() {
sessions.remove(&msg.id);
}
}
}
}

120
crates/api_common/src/websocket/handlers/join_rooms.rs Normal file
View file

@ -0,0 +1,120 @@
use crate::websocket::chat_server::ChatServer;
use actix::{Context, Handler, Message};
use lemmy_db_schema::newtypes::{CommunityId, LocalUserId, PostId};
use lemmy_utils::ConnectionId;
use std::collections::HashSet;
/// Joining a Post room
#[derive(Message)]
#[rtype(result = "()")]
pub struct JoinPostRoom {
pub post_id: PostId,
pub id: ConnectionId,
}
impl Handler<JoinPostRoom> for ChatServer {
type Result = ();
fn handle(&mut self, msg: JoinPostRoom, _: &mut Context<Self>) -> Self::Result {
// remove session from all rooms
for sessions in self.post_rooms.values_mut() {
sessions.remove(&msg.id);
}
// Also leave all communities
// This avoids double messages
// TODO found a bug, whereby community messages like
// delete and remove aren't sent, because
// you left the community room
for sessions in self.community_rooms.values_mut() {
sessions.remove(&msg.id);
}
self
.post_rooms
.entry(msg.post_id)
.or_insert_with(HashSet::new)
.insert(msg.id);
}
}
/// Joining a Community Room
#[derive(Message)]
#[rtype(result = "()")]
pub struct JoinCommunityRoom {
pub community_id: CommunityId,
pub id: ConnectionId,
}
impl Handler<JoinCommunityRoom> for ChatServer {
type Result = ();
fn handle(&mut self, msg: JoinCommunityRoom, _: &mut Context<Self>) -> Self::Result {
// remove session from all rooms
for sessions in self.community_rooms.values_mut() {
sessions.remove(&msg.id);
}
// Also leave all post rooms
// This avoids double messages
for sessions in self.post_rooms.values_mut() {
sessions.remove(&msg.id);
}
self
.community_rooms
.entry(msg.community_id)
.or_insert_with(HashSet::new)
.insert(msg.id);
}
}
/// Joining a Mod room
#[derive(Message)]
#[rtype(result = "()")]
pub struct JoinModRoom {
pub community_id: CommunityId,
pub id: ConnectionId,
}
impl Handler<JoinModRoom> for ChatServer {
type Result = ();
fn handle(&mut self, msg: JoinModRoom, _: &mut Context<Self>) -> Self::Result {
// remove session from all rooms
for sessions in self.mod_rooms.values_mut() {
sessions.remove(&msg.id);
}
self
.mod_rooms
.entry(msg.community_id)
.or_insert_with(HashSet::new)
.insert(msg.id);
}
}
/// Joining a User room
#[derive(Message)]
#[rtype(result = "()")]
pub struct JoinUserRoom {
pub user_id: LocalUserId,
pub id: ConnectionId,
}
impl Handler<JoinUserRoom> for ChatServer {
type Result = ();
fn handle(&mut self, msg: JoinUserRoom, _: &mut Context<Self>) -> Self::Result {
// remove session from all rooms
for sessions in self.user_rooms.values_mut() {
sessions.remove(&msg.id);
}
self
.user_rooms
.entry(msg.user_id)
.or_insert_with(HashSet::new)
.insert(msg.id);
}
}

130
crates/api_common/src/websocket/handlers/messages.rs Normal file
View file

@ -0,0 +1,130 @@
use crate::websocket::chat_server::ChatServer;
use actix::{Context, Handler, Message};
use lemmy_db_schema::newtypes::{CommunityId, LocalUserId, PostId};
use lemmy_utils::ConnectionId;
use std::collections::HashSet;
/// Sending a post room message
#[derive(Message)]
#[rtype(result = "()")]
pub struct SendPostRoomMessage {
pub post_id: PostId,
pub message: String,
pub websocket_id: Option<ConnectionId>,
}
impl Handler<SendPostRoomMessage> for ChatServer {
type Result = ();
fn handle(&mut self, msg: SendPostRoomMessage, _: &mut Context<Self>) -> Self::Result {
let room_connections = self.post_rooms.get(&msg.post_id);
if let Some(connections) = room_connections {
self.send_message(connections, &msg.message, msg.websocket_id);
}
}
}
/// Sending a community room message
#[derive(Message)]
#[rtype(result = "()")]
pub struct SendCommunityRoomMessage {
pub community_id: CommunityId,
pub message: String,
pub websocket_id: Option<ConnectionId>,
}
impl Handler<SendCommunityRoomMessage> for ChatServer {
type Result = ();
fn handle(&mut self, msg: SendCommunityRoomMessage, _: &mut Context<Self>) -> Self::Result {
let room_connections = self.community_rooms.get(&msg.community_id);
if let Some(connections) = room_connections {
self.send_message(connections, &msg.message, msg.websocket_id);
}
}
}
/// Sending a mod room message
#[derive(Message)]
#[rtype(result = "()")]
pub struct SendModRoomMessage {
pub community_id: CommunityId,
pub message: String,
pub websocket_id: Option<ConnectionId>,
}
impl Handler<SendModRoomMessage> for ChatServer {
type Result = ();
fn handle(&mut self, msg: SendModRoomMessage, _: &mut Context<Self>) -> Self::Result {
let room_connections = self.community_rooms.get(&msg.community_id);
if let Some(connections) = room_connections {
self.send_message(connections, &msg.message, msg.websocket_id);
}
}
}
/// Sending a user room message
#[derive(Message)]
#[rtype(result = "()")]
pub struct SendUserRoomMessage {
pub recipient_id: LocalUserId,
pub message: String,
pub websocket_id: Option<ConnectionId>,
}
impl Handler<SendUserRoomMessage> for ChatServer {
type Result = ();
fn handle(&mut self, msg: SendUserRoomMessage, _: &mut Context<Self>) -> Self::Result {
let room_connections = self.user_rooms.get(&msg.recipient_id);
if let Some(connections) = room_connections {
self.send_message(connections, &msg.message, msg.websocket_id);
}
}
}
/// Sending a message to every session
#[derive(Message)]
#[rtype(result = "()")]
pub struct SendAllMessage {
pub message: String,
pub websocket_id: Option<ConnectionId>,
}
impl Handler<SendAllMessage> for ChatServer {
type Result = ();
fn handle(&mut self, msg: SendAllMessage, _: &mut Context<Self>) -> Self::Result {
let connections: HashSet<ConnectionId> = self.sessions.keys().cloned().collect();
self.send_message(&connections, &msg.message, msg.websocket_id);
}
}
///// Send websocket message in all sessions which joined a specific room.
/////
///// `message` - The json message body to send
///// `room` - Connection IDs which should receive the message
///// `exclude_connection` - Dont send to user who initiated the api call, as that
///// would result in duplicate notification
//async fn send_message_in_room(
// &self,
// message: &str,
// room: Option<HashSet<ConnectionId>>,
// exclude_connection: Option<ConnectionId>,
//) -> Result<(), LemmyError> {
// let mut session = self.inner()?.sessions.clone();
// if let Some(room) = room {
// // Note, this will ignore any errors, such as closed connections
// join_all(
// room
// .into_iter()
// .filter(|c| Some(c) != exclude_connection.as_ref())
// .filter_map(|c| session.remove(&c))
// .map(|mut s: Session| async move { s.text(message).await }),
// )
// .await;
// }
// Ok(())
//}
//}

18
crates/api_common/src/websocket/handlers/mod.rs Normal file
View file

@ -0,0 +1,18 @@
use actix::{Message, Recipient};
pub mod captcha;
pub mod connect;
pub mod join_rooms;
pub mod messages;
pub mod online_users;
/// A string message sent to a websocket session
#[derive(Message)]
#[rtype(result = "()")]
pub struct WsMessage(pub String);
// TODO move this?
pub struct SessionInfo {
pub addr: Recipient<WsMessage>,
// pub ip: IpAddr
}

55
crates/api_common/src/websocket/handlers/online_users.rs Normal file
View file

@ -0,0 +1,55 @@
use crate::websocket::chat_server::ChatServer;
use actix::{Context, Handler, Message};
use lemmy_db_schema::newtypes::{CommunityId, PostId};
/// Getting the number of online connections
#[derive(Message)]
#[rtype(usize)]
pub struct GetUsersOnline;
/// Handler for Disconnect message.
impl Handler<GetUsersOnline> for ChatServer {
type Result = usize;
fn handle(&mut self, _msg: GetUsersOnline, _: &mut Context<Self>) -> Self::Result {
self.sessions.len()
}
}
/// Getting the number of post users online
#[derive(Message)]
#[rtype(usize)]
pub struct GetPostUsersOnline {
pub post_id: PostId,
}
/// Handler for Disconnect message.
impl Handler<GetPostUsersOnline> for ChatServer {
type Result = usize;
fn handle(&mut self, msg: GetPostUsersOnline, _: &mut Context<Self>) -> Self::Result {
self
.post_rooms
.get(&msg.post_id)
.map_or(1, std::collections::HashSet::len)
}
}
/// Getting the number of post users online
#[derive(Message)]
#[rtype(usize)]
pub struct GetCommunityUsersOnline {
pub community_id: CommunityId,
}
/// Handler for Disconnect message.
impl Handler<GetCommunityUsersOnline> for ChatServer {
type Result = usize;
fn handle(&mut self, msg: GetCommunityUsersOnline, _: &mut Context<Self>) -> Self::Result {
self
.community_rooms
.get(&msg.community_id)
.map_or(1, std::collections::HashSet::len)
}
}

20
crates/api_common/src/websocket/mod.rs
View file

@ -1,3 +1,4 @@
use actix::{Message, Recipient};
use lemmy_utils::error::LemmyError;
use serde::Serialize;
@ -6,13 +7,22 @@ pub mod handlers;
pub mod send;
pub mod structs;
/// A string message sent to a websocket session
#[derive(Message)]
#[rtype(result = "()")]
pub struct WsMessage(pub String);
pub struct SessionInfo {
pub addr: Recipient<WsMessage>,
}
#[derive(Serialize)]
struct WebsocketResponse<T> {
op: String,
data: T,
}
pub fn serialize_websocket_message<OP, Response>(
pub fn serialize_websocket_message<Response, OP>(
op: &OP,
data: &Response,
) -> Result<String, LemmyError>
@ -133,11 +143,3 @@ pub enum UserOperationApub {
Search,
ResolveObject,
}
pub trait OperationType {}
impl OperationType for UserOperationCrud {}
impl OperationType for UserOperation {}
impl OperationType for UserOperationApub {}

596
crates/api_common/src/websocket/send.rs
View file

@ -1,3 +1,13 @@
use super::{
handlers::messages::{
SendAllMessage,
SendCommunityRoomMessage,
SendModRoomMessage,
SendPostRoomMessage,
SendUserRoomMessage,
},
serialize_websocket_message,
};
use crate::{
comment::CommentResponse,
community::CommunityResponse,
@ -5,7 +15,6 @@ use crate::{
post::PostResponse,
private_message::PrivateMessageResponse,
utils::{check_person_block, get_interface_language, send_email_to_user},
websocket::OperationType,
};
use lemmy_db_schema::{
newtypes::{CommentId, CommunityId, LocalUserId, PersonId, PostId, PrivateMessageId},
@ -23,253 +32,374 @@ use lemmy_db_schema::{
use lemmy_db_views::structs::{CommentView, LocalUserView, PostView, PrivateMessageView};
use lemmy_db_views_actor::structs::CommunityView;
use lemmy_utils::{error::LemmyError, utils::mention::MentionData, ConnectionId};
use serde::Serialize;
#[tracing::instrument(skip_all)]
pub async fn send_post_ws_message<OP: ToString + Send + OperationType + 'static>(
post_id: PostId,
op: OP,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
context: &LemmyContext,
) -> Result<PostResponse, LemmyError> {
let post_view = PostView::read(context.pool(), post_id, person_id, Some(true)).await?;
let res = PostResponse { post_view };
context
.chat_server()
.send_post(&op, &res, websocket_id)
.await?;
Ok(res)
}
// TODO: in many call sites in apub crate, we are setting an empty vec for recipient_ids,
// we should get the actual recipient actors from somewhere
#[tracing::instrument(skip_all)]
pub async fn send_comment_ws_message_simple<OP: ToString + Send + OperationType + 'static>(
comment_id: CommentId,
op: OP,
context: &LemmyContext,
) -> Result<CommentResponse, LemmyError> {
send_comment_ws_message(comment_id, op, None, None, None, vec![], context).await
}
#[tracing::instrument(skip_all)]
pub async fn send_comment_ws_message<OP: ToString + Send + OperationType + 'static>(
comment_id: CommentId,
op: OP,
websocket_id: Option<ConnectionId>,
form_id: Option<String>,
person_id: Option<PersonId>,
recipient_ids: Vec<LocalUserId>,
context: &LemmyContext,
) -> Result<CommentResponse, LemmyError> {
let view = CommentView::read(context.pool(), comment_id, person_id).await?;
let mut res = CommentResponse {
comment_view: view,
recipient_ids,
// The sent out form id should be null
form_id: None,
};
context
.chat_server()
.send_comment(&op, &res, websocket_id)
.await?;
// The recipient_ids should be empty for returns
res.recipient_ids = Vec::new();
res.form_id = form_id;
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_community_ws_message<OP: ToString + Send + OperationType + 'static>(
community_id: CommunityId,
op: OP,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
context: &LemmyContext,
) -> Result<CommunityResponse, LemmyError> {
let community_view =
CommunityView::read(context.pool(), community_id, person_id, Some(true)).await?;
let discussion_languages = CommunityLanguage::read(context.pool(), community_id).await?;
let mut res = CommunityResponse {
community_view,
discussion_languages,
};
// Strip out the person id and subscribed when sending to others
res.community_view.subscribed = SubscribedType::NotSubscribed;
context
.chat_server()
.send_community_room_message(&op, &res, res.community_view.community.id, websocket_id)
.await?;
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_pm_ws_message<OP: ToString + Send + OperationType + 'static>(
private_message_id: PrivateMessageId,
op: OP,
websocket_id: Option<ConnectionId>,
context: &LemmyContext,
) -> Result<PrivateMessageResponse, LemmyError> {
let view = PrivateMessageView::read(context.pool(), private_message_id).await?;
let res = PrivateMessageResponse {
private_message_view: view,
};
// Send notifications to the local recipient, if one exists
if res.private_message_view.recipient.local {
let recipient_id = res.private_message_view.recipient.id;
let local_recipient = LocalUserView::read_person(context.pool(), recipient_id).await?;
context
.chat_server()
.send_user_room_message(&op, &res, local_recipient.local_user.id, websocket_id)
.await?;
}
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_local_notifs(
mentions: Vec<MentionData>,
comment: &Comment,
person: &Person,
post: &Post,
do_send_email: bool,
context: &LemmyContext,
) -> Result<Vec<LocalUserId>, LemmyError> {
let mut recipient_ids = Vec::new();
let inbox_link = format!("{}/inbox", context.settings().get_protocol_and_hostname());
// Send the local mentions
for mention in mentions
.iter()
.filter(|m| m.is_local(&context.settings().hostname) && m.name.ne(&person.name))
.collect::<Vec<&MentionData>>()
impl LemmyContext {
#[tracing::instrument(skip_all)]
pub async fn send_post_ws_message<OP>(
&self,
op: &OP,
post_id: PostId,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
) -> Result<PostResponse, LemmyError>
where
OP: ToString,
{
let mention_name = mention.name.clone();
let user_view = LocalUserView::read_from_name(context.pool(), &mention_name).await;
if let Ok(mention_user_view) = user_view {
// TODO
// At some point, make it so you can't tag the parent creator either
// This can cause two notifications, one for reply and the other for mention
recipient_ids.push(mention_user_view.local_user.id);
let post_view = PostView::read(self.pool(), post_id, person_id, Some(true)).await?;
let user_mention_form = PersonMentionInsertForm {
recipient_id: mention_user_view.person.id,
comment_id: comment.id,
read: None,
};
let res = PostResponse { post_view };
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
PersonMention::create(context.pool(), &user_mention_form)
// Send it to the post room
// Don't send my data with it
let mut post_sent = res.clone();
post_sent.post_view.my_vote = None;
let message = serialize_websocket_message(op, &post_sent)?;
self.chat_server().do_send(SendPostRoomMessage {
post_id,
message: message.clone(),
websocket_id,
});
// Send it to /c/all and that community
self.chat_server().do_send(SendCommunityRoomMessage {
community_id: CommunityId(0),
message: message.clone(),
websocket_id,
});
self.chat_server().do_send(SendCommunityRoomMessage {
community_id: post_sent.post_view.community.id,
message,
websocket_id,
});
Ok(res)
}
// TODO: in many call sites in apub crate, we are setting an empty vec for recipient_ids,
// we should get the actual recipient actors from somewhere
#[tracing::instrument(skip_all)]
pub async fn send_comment_ws_message_simple<OP>(
&self,
op: &OP,
comment_id: CommentId,
) -> Result<CommentResponse, LemmyError>
where
OP: ToString,
{
self
.send_comment_ws_message(op, comment_id, None, None, None, vec![])
.await
}
#[tracing::instrument(skip_all)]
pub async fn send_comment_ws_message<OP>(
&self,
op: &OP,
comment_id: CommentId,
websocket_id: Option<ConnectionId>,
form_id: Option<String>,
person_id: Option<PersonId>,
recipient_ids: Vec<LocalUserId>,
) -> Result<CommentResponse, LemmyError>
where
OP: ToString,
{
let view = CommentView::read(self.pool(), comment_id, person_id).await?;
let mut res = CommentResponse {
comment_view: view,
recipient_ids,
form_id,
};
// Strip out my specific user info
let mut sent_recipient_comment = res.clone();
sent_recipient_comment.form_id = None;
sent_recipient_comment.comment_view.my_vote = None;
let recipient_message = serialize_websocket_message(op, &sent_recipient_comment)?;
// Send it to the recipient(s) including the mentioned users
for recipient_id in &sent_recipient_comment.recipient_ids {
self.chat_server().do_send(SendUserRoomMessage {
recipient_id: *recipient_id,
message: recipient_message.clone(),
websocket_id,
});
}
// Remove the recipients here to separate mentions / user messages from post or community comments
let mut sent_post_comment = sent_recipient_comment;
sent_post_comment.recipient_ids = Vec::new();
let post_message = serialize_websocket_message(op, &sent_post_comment)?;
// Send it to the post room
self.chat_server().do_send(SendPostRoomMessage {
post_id: sent_post_comment.comment_view.post.id,
message: post_message.clone(),
websocket_id,
});
// Send it to the community too
self.chat_server().do_send(SendCommunityRoomMessage {
community_id: sent_post_comment.comment_view.community.id,
message: post_message,
websocket_id,
});
// TODO should I send it to all? Seems excessive
// self
// .send_community_room_message(
// user_operation,
// &comment_post_sent,
// CommunityId(0),
// websocket_id,
// )
// .await?;
// No need to return recipients
res.recipient_ids = Vec::new();
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_community_ws_message<OP>(
&self,
op: &OP,
community_id: CommunityId,
websocket_id: Option<ConnectionId>,
person_id: Option<PersonId>,
) -> Result<CommunityResponse, LemmyError>
where
OP: ToString,
{
let community_view =
CommunityView::read(self.pool(), community_id, person_id, Some(true)).await?;
let discussion_languages = CommunityLanguage::read(self.pool(), community_id).await?;
let mut res = CommunityResponse {
community_view,
discussion_languages,
};
// Strip out the person id and subscribed when sending to others
res.community_view.subscribed = SubscribedType::NotSubscribed;
let message = serialize_websocket_message(op, &res)?;
self.chat_server().do_send(SendCommunityRoomMessage {
community_id: res.community_view.community.id,
message,
websocket_id,
});
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_pm_ws_message<OP>(
&self,
op: &OP,
private_message_id: PrivateMessageId,
websocket_id: Option<ConnectionId>,
) -> Result<PrivateMessageResponse, LemmyError>
where
OP: ToString,
{
let view = PrivateMessageView::read(self.pool(), private_message_id).await?;
let res = PrivateMessageResponse {
private_message_view: view,
};
// Send notifications to the local recipient, if one exists
if res.private_message_view.recipient.local {
let recipient_id = res.private_message_view.recipient.id;
let local_recipient = LocalUserView::read_person(self.pool(), recipient_id).await?;
let message = serialize_websocket_message(op, &res)?;
self.chat_server().do_send(SendUserRoomMessage {
recipient_id: local_recipient.local_user.id,
message,
websocket_id,
});
}
Ok(res)
}
#[tracing::instrument(skip_all)]
pub async fn send_local_notifs(
&self,
mentions: Vec<MentionData>,
comment: &Comment,
person: &Person,
post: &Post,
do_send_email: bool,
) -> Result<Vec<LocalUserId>, LemmyError> {
let mut recipient_ids = Vec::new();
let inbox_link = format!("{}/inbox", self.settings().get_protocol_and_hostname());
// Send the local mentions
for mention in mentions
.iter()
.filter(|m| m.is_local(&self.settings().hostname) && m.name.ne(&person.name))
.collect::<Vec<&MentionData>>()
{
let mention_name = mention.name.clone();
let user_view = LocalUserView::read_from_name(self.pool(), &mention_name).await;
if let Ok(mention_user_view) = user_view {
// TODO
// At some point, make it so you can't tag the parent creator either
// This can cause two notifications, one for reply and the other for mention
recipient_ids.push(mention_user_view.local_user.id);
let user_mention_form = PersonMentionInsertForm {
recipient_id: mention_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
PersonMention::create(self.pool(), &user_mention_form)
.await
.ok();
// Send an email to those local users that have notifications on
if do_send_email {
let lang = get_interface_language(&mention_user_view);
send_email_to_user(
&mention_user_view,
&lang.notification_mentioned_by_subject(&person.name),
&lang.notification_mentioned_by_body(&comment.content, &inbox_link, &person.name),
self.settings(),
)
}
}
}
// Send comment_reply to the parent commenter / poster
if let Some(parent_comment_id) = comment.parent_comment_id() {
let parent_comment = Comment::read(self.pool(), parent_comment_id).await?;
// Get the parent commenter local_user
let parent_creator_id = parent_comment.creator_id;
// Only add to recipients if that person isn't blocked
let creator_blocked = check_person_block(person.id, parent_creator_id, self.pool())
.await
.ok();
.is_err();
// Send an email to those local users that have notifications on
if do_send_email {
let lang = get_interface_language(&mention_user_view);
send_email_to_user(
&mention_user_view,
&lang.notification_mentioned_by_subject(&person.name),
&lang.notification_mentioned_by_body(&comment.content, &inbox_link, &person.name),
context.settings(),
)
// Don't send a notif to yourself
if parent_comment.creator_id != person.id && !creator_blocked {
let user_view = LocalUserView::read_person(self.pool(), parent_creator_id).await;
if let Ok(parent_user_view) = user_view {
recipient_ids.push(parent_user_view.local_user.id);
let comment_reply_form = CommentReplyInsertForm {
recipient_id: parent_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
CommentReply::create(self.pool(), &comment_reply_form)
.await
.ok();
if do_send_email {
let lang = get_interface_language(&parent_user_view);
send_email_to_user(
&parent_user_view,
&lang.notification_comment_reply_subject(&person.name),
&lang.notification_comment_reply_body(&comment.content, &inbox_link, &person.name),
self.settings(),
)
}
}
}
}
}
} else {
// If there's no parent, its the post creator
// Only add to recipients if that person isn't blocked
let creator_blocked = check_person_block(person.id, post.creator_id, self.pool())
.await
.is_err();
// Send comment_reply to the parent commenter / poster
if let Some(parent_comment_id) = comment.parent_comment_id() {
let parent_comment = Comment::read(context.pool(), parent_comment_id).await?;
if post.creator_id != person.id && !creator_blocked {
let creator_id = post.creator_id;
let parent_user = LocalUserView::read_person(self.pool(), creator_id).await;
if let Ok(parent_user_view) = parent_user {
recipient_ids.push(parent_user_view.local_user.id);
// Get the parent commenter local_user
let parent_creator_id = parent_comment.creator_id;
let comment_reply_form = CommentReplyInsertForm {
recipient_id: parent_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Only add to recipients if that person isn't blocked
let creator_blocked = check_person_block(person.id, parent_creator_id, context.pool())
.await
.is_err();
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
CommentReply::create(self.pool(), &comment_reply_form)
.await
.ok();
// Don't send a notif to yourself
if parent_comment.creator_id != person.id && !creator_blocked {
let user_view = LocalUserView::read_person(context.pool(), parent_creator_id).await;
if let Ok(parent_user_view) = user_view {
recipient_ids.push(parent_user_view.local_user.id);
let comment_reply_form = CommentReplyInsertForm {
recipient_id: parent_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
CommentReply::create(context.pool(), &comment_reply_form)
.await
.ok();
if do_send_email {
let lang = get_interface_language(&parent_user_view);
send_email_to_user(
&parent_user_view,
&lang.notification_comment_reply_subject(&person.name),
&lang.notification_comment_reply_body(&comment.content, &inbox_link, &person.name),
context.settings(),
)
if do_send_email {
let lang = get_interface_language(&parent_user_view);
send_email_to_user(
&parent_user_view,
&lang.notification_post_reply_subject(&person.name),
&lang.notification_post_reply_body(&comment.content, &inbox_link, &person.name),
self.settings(),
)
}
}
}
}
} else {
// If there's no parent, its the post creator
// Only add to recipients if that person isn't blocked
let creator_blocked = check_person_block(person.id, post.creator_id, context.pool())
.await
.is_err();
if post.creator_id != person.id && !creator_blocked {
let creator_id = post.creator_id;
let parent_user = LocalUserView::read_person(context.pool(), creator_id).await;
if let Ok(parent_user_view) = parent_user {
recipient_ids.push(parent_user_view.local_user.id);
let comment_reply_form = CommentReplyInsertForm {
recipient_id: parent_user_view.person.id,
comment_id: comment.id,
read: None,
};
// Allow this to fail softly, since comment edits might re-update or replace it
// Let the uniqueness handle this fail
CommentReply::create(context.pool(), &comment_reply_form)
.await
.ok();
if do_send_email {
let lang = get_interface_language(&parent_user_view);
send_email_to_user(
&parent_user_view,
&lang.notification_post_reply_subject(&person.name),
&lang.notification_post_reply_body(&comment.content, &inbox_link, &person.name),
context.settings(),
)
}
}
}
Ok(recipient_ids)
}
Ok(recipient_ids)
#[tracing::instrument(skip_all)]
pub fn send_all_ws_message<Data, OP>(
&self,
op: &OP,
data: Data,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
Data: Serialize,
OP: ToString,
{
let message = serialize_websocket_message(op, &data)?;
self.chat_server().do_send(SendAllMessage {
message,
websocket_id,
});
Ok(())
}
#[tracing::instrument(skip_all)]
pub fn send_mod_ws_message<Data, OP>(
&self,
op: &OP,
data: Data,
community_id: CommunityId,
websocket_id: Option<ConnectionId>,
) -> Result<(), LemmyError>
where
Data: Serialize,
OP: ToString,
{
let message = serialize_websocket_message(op, &data)?;
self.chat_server().do_send(SendModRoomMessage {
community_id,
message,
websocket_id,
});
Ok(())
}
}

43
crates/api_crud/src/comment/create.rs
View file

@ -13,10 +13,7 @@ use lemmy_api_common::{
local_site_to_slur_regex,
EndpointType,
},
websocket::{
send::{send_comment_ws_message, send_local_notifs},
UserOperationCrud,
},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -131,15 +128,15 @@ impl PerformCrud for CreateComment {
// Scan the comment for user mentions, add those rows
let post_id = post.id;
let mentions = scrape_text_for_mentions(&content_slurs_removed);
let recipient_ids = send_local_notifs(
mentions,
&updated_comment,
&local_user_view.person,
&post,
true,
context,
)
.await?;
let recipient_ids = context
.send_local_notifs(
mentions,
&updated_comment,
&local_user_view.person,
&post,
true,
)
.await?;
// You like your own comment by default
let like_form = CommentLikeForm {
@ -182,15 +179,15 @@ impl PerformCrud for CreateComment {
}
}
send_comment_ws_message(
inserted_comment.id,
UserOperationCrud::CreateComment,
websocket_id,
data.form_id.clone(),
Some(local_user_view.person.id),
recipient_ids,
context,
)
.await
context
.send_comment_ws_message(
&UserOperationCrud::CreateComment,
inserted_comment.id,
websocket_id,
data.form_id.clone(),
Some(local_user_view.person.id),
recipient_ids,
)
.await
}
}

43
crates/api_crud/src/comment/delete.rs
View file

@ -4,10 +4,7 @@ use lemmy_api_common::{
comment::{CommentResponse, DeleteComment},
context::LemmyContext,
utils::{check_community_ban, get_local_user_view_from_jwt},
websocket::{
send::{send_comment_ws_message, send_local_notifs},
UserOperationCrud,
},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -65,26 +62,26 @@ impl PerformCrud for DeleteComment {
let post_id = updated_comment.post_id;
let post = Post::read(context.pool(), post_id).await?;
let recipient_ids = send_local_notifs(
vec![],
&updated_comment,
&local_user_view.person,
&post,
false,
context,
)
.await?;
let recipient_ids = context
.send_local_notifs(
vec![],
&updated_comment,
&local_user_view.person,
&post,
false,
)
.await?;
let res = send_comment_ws_message(
data.comment_id,
UserOperationCrud::DeleteComment,
websocket_id,
None, // TODO a comment delete might clear forms?
Some(local_user_view.person.id),
recipient_ids,
context,
)
.await?;
let res = context
.send_comment_ws_message(
&UserOperationCrud::DeleteComment,
data.comment_id,
websocket_id,
None,
Some(local_user_view.person.id),
recipient_ids,
)
.await?;
Ok(res)
}

43
crates/api_crud/src/comment/remove.rs
View file

@ -4,10 +4,7 @@ use lemmy_api_common::{
comment::{CommentResponse, RemoveComment},
context::LemmyContext,
utils::{check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
websocket::{
send::{send_comment_ws_message, send_local_notifs},
UserOperationCrud,
},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -73,26 +70,26 @@ impl PerformCrud for RemoveComment {
let post_id = updated_comment.post_id;
let post = Post::read(context.pool(), post_id).await?;
let recipient_ids = send_local_notifs(
vec![],
&updated_comment,
&local_user_view.person.clone(),
&post,
false,
context,
)
.await?;
let recipient_ids = context
.send_local_notifs(
vec![],
&updated_comment,
&local_user_view.person.clone(),
&post,
false,
)
.await?;
let res = send_comment_ws_message(
data.comment_id,
UserOperationCrud::RemoveComment,
websocket_id,
None, // TODO maybe this might clear other forms
Some(local_user_view.person.id),
recipient_ids,
context,
)
.await?;
let res = context
.send_comment_ws_message(
&UserOperationCrud::RemoveComment,
data.comment_id,
websocket_id,
None, // TODO maybe this might clear other forms
Some(local_user_view.person.id),
recipient_ids,
)
.await?;
Ok(res)
}

43
crates/api_crud/src/comment/update.rs
View file

@ -4,10 +4,7 @@ use lemmy_api_common::{
comment::{CommentResponse, EditComment},
context::LemmyContext,
utils::{check_community_ban, get_local_user_view_from_jwt, local_site_to_slur_regex},
websocket::{
send::{send_comment_ws_message, send_local_notifs},
UserOperationCrud,
},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -81,25 +78,25 @@ impl PerformCrud for EditComment {
// Do the mentions / recipients
let updated_comment_content = updated_comment.content.clone();
let mentions = scrape_text_for_mentions(&updated_comment_content);
let recipient_ids = send_local_notifs(
mentions,
&updated_comment,
&local_user_view.person,
&orig_comment.post,
false,
context,
)
.await?;
let recipient_ids = context
.send_local_notifs(
mentions,
&updated_comment,
&local_user_view.person,
&orig_comment.post,
false,
)
.await?;
send_comment_ws_message(
data.comment_id,
UserOperationCrud::EditComment,
websocket_id,
data.form_id.clone(),
None,
recipient_ids,
context,
)
.await
context
.send_comment_ws_message(
&UserOperationCrud::EditComment,
data.comment_id,
websocket_id,
data.form_id.clone(),
None,
recipient_ids,
)
.await
}
}

18
crates/api_crud/src/community/delete.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
community::{CommunityResponse, DeleteCommunity},
context::LemmyContext,
utils::{get_local_user_view_from_jwt, is_top_mod},
websocket::{send::send_community_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::community::{Community, CommunityUpdateForm},
@ -48,14 +48,14 @@ impl PerformCrud for DeleteCommunity {
.await
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
let res = send_community_ws_message(
data.community_id,
UserOperationCrud::DeleteCommunity,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await?;
let res = context
.send_community_ws_message(
&UserOperationCrud::DeleteCommunity,
data.community_id,
websocket_id,
Some(local_user_view.person.id),
)
.await?;
Ok(res)
}

18
crates/api_crud/src/community/remove.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
community::{CommunityResponse, RemoveCommunity},
context::LemmyContext,
utils::{get_local_user_view_from_jwt, is_admin},
websocket::{send::send_community_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -56,14 +56,14 @@ impl PerformCrud for RemoveCommunity {
};
ModRemoveCommunity::create(context.pool(), &form).await?;
let res = send_community_ws_message(
data.community_id,
UserOperationCrud::RemoveCommunity,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await?;
let res = context
.send_community_ws_message(
&UserOperationCrud::RemoveCommunity,
data.community_id,
websocket_id,
Some(local_user_view.person.id),
)
.await?;
Ok(res)
}

12
crates/api_crud/src/community/update.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
community::{CommunityResponse, EditCommunity},
context::LemmyContext,
utils::{get_local_user_view_from_jwt, local_site_to_slur_regex},
websocket::{send::send_community_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
newtypes::PersonId,
@ -78,7 +78,13 @@ impl PerformCrud for EditCommunity {
.await
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_community"))?;
let op = UserOperationCrud::EditCommunity;
send_community_ws_message(data.community_id, op, websocket_id, None, context).await
context
.send_community_ws_message(
&UserOperationCrud::EditCommunity,
data.community_id,
websocket_id,
None,
)
.await
}
}

18
crates/api_crud/src/post/create.rs
View file

@ -14,7 +14,7 @@ use lemmy_api_common::{
mark_post_as_read,
EndpointType,
},
websocket::{send::send_post_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
impls::actor_language::default_post_language,
@ -173,13 +173,13 @@ impl PerformCrud for CreatePost {
}
}
send_post_ws_message(
inserted_post.id,
UserOperationCrud::CreatePost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
context
.send_post_ws_message(
&UserOperationCrud::CreatePost,
inserted_post.id,
websocket_id,
Some(local_user_view.person.id),
)
.await
}
}

18
crates/api_crud/src/post/delete.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
post::{DeletePost, PostResponse},
utils::{check_community_ban, check_community_deleted_or_removed, get_local_user_view_from_jwt},
websocket::{send::send_post_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::post::{Post, PostUpdateForm},
@ -57,14 +57,14 @@ impl PerformCrud for DeletePost {
)
.await?;
let res = send_post_ws_message(
data.post_id,
UserOperationCrud::DeletePost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await?;
let res = context
.send_post_ws_message(
&UserOperationCrud::DeletePost,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await?;
Ok(res)
}

6
crates/api_crud/src/post/read.rs
View file

@ -9,6 +9,7 @@ use lemmy_api_common::{
is_mod_or_admin_opt,
mark_post_as_read,
},
websocket::handlers::online_users::GetPostUsersOnline,
};
use lemmy_db_schema::{
aggregates::structs::{PersonPostAggregates, PersonPostAggregatesForm},
@ -95,7 +96,10 @@ impl PerformCrud for GetPost {
let moderators = CommunityModeratorView::for_community(context.pool(), community_id).await?;
let online = context.chat_server().get_post_users_online(post_id)?;
let online = context
.chat_server()
.send(GetPostUsersOnline { post_id })
.await?;
// Return the jwt
Ok(GetPostResponse {

18
crates/api_crud/src/post/remove.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
post::{PostResponse, RemovePost},
utils::{check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
websocket::{send::send_post_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -66,14 +66,14 @@ impl PerformCrud for RemovePost {
};
ModRemovePost::create(context.pool(), &form).await?;
let res = send_post_ws_message(
data.post_id,
UserOperationCrud::RemovePost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await?;
let res = context
.send_post_ws_message(
&UserOperationCrud::RemovePost,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await?;
Ok(res)
}

18
crates/api_crud/src/post/update.rs
View file

@ -5,7 +5,7 @@ use lemmy_api_common::{
post::{EditPost, PostResponse},
request::fetch_site_data,
utils::{check_community_ban, get_local_user_view_from_jwt, local_site_to_slur_regex},
websocket::{send::send_post_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -113,13 +113,13 @@ impl PerformCrud for EditPost {
return Err(LemmyError::from_error_message(e, err_type));
}
send_post_ws_message(
data.post_id,
UserOperationCrud::EditPost,
websocket_id,
Some(local_user_view.person.id),
context,
)
.await
context
.send_post_ws_message(
&UserOperationCrud::EditPost,
data.post_id,
websocket_id,
Some(local_user_view.person.id),
)
.await
}
}

16
crates/api_crud/src/private_message/create.rs
View file

@ -12,7 +12,7 @@ use lemmy_api_common::{
send_email_to_user,
EndpointType,
},
websocket::{send::send_pm_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -80,13 +80,13 @@ impl PerformCrud for CreatePrivateMessage {
.await
.map_err(|e| LemmyError::from_error_message(e, "couldnt_create_private_message"))?;
let res = send_pm_ws_message(
inserted_private_message.id,
UserOperationCrud::CreatePrivateMessage,
websocket_id,
context,
)
.await?;
let res = context
.send_pm_ws_message(
&UserOperationCrud::CreatePrivateMessage,
inserted_private_message.id,
websocket_id,
)
.await?;
// Send email to the local recipient, if one exists
if res.private_message_view.recipient.local {

11
crates/api_crud/src/private_message/delete.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
private_message::{DeletePrivateMessage, PrivateMessageResponse},
utils::get_local_user_view_from_jwt,
websocket::{send::send_pm_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::private_message::{PrivateMessage, PrivateMessageUpdateForm},
@ -46,7 +46,12 @@ impl PerformCrud for DeletePrivateMessage {
.await
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_private_message"))?;
let op = UserOperationCrud::DeletePrivateMessage;
send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
context
.send_pm_ws_message(
&UserOperationCrud::DeletePrivateMessage,
data.private_message_id,
websocket_id,
)
.await
}
}

11
crates/api_crud/src/private_message/update.rs
View file

@ -4,7 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
private_message::{EditPrivateMessage, PrivateMessageResponse},
utils::{get_local_user_view_from_jwt, local_site_to_slur_regex},
websocket::{send::send_pm_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -52,7 +52,12 @@ impl PerformCrud for EditPrivateMessage {
.await
.map_err(|e| LemmyError::from_error_message(e, "couldnt_update_private_message"))?;
let op = UserOperationCrud::EditPrivateMessage;
send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
context
.send_pm_ws_message(
&UserOperationCrud::EditPrivateMessage,
data.private_message_id,
websocket_id,
)
.await
}
}

3
crates/api_crud/src/site/read.rs
View file

@ -4,6 +4,7 @@ use lemmy_api_common::{
context::LemmyContext,
site::{GetSite, GetSiteResponse, MyUserInfo},
utils::{build_federated_instances, get_local_user_settings_view_from_jwt_opt},
websocket::handlers::online_users::GetUsersOnline,
};
use lemmy_db_schema::source::{
actor_language::{LocalUserLanguage, SiteLanguage},
@ -36,7 +37,7 @@ impl PerformCrud for GetSite {
let admins = PersonView::admins(context.pool()).await?;
let online = context.chat_server().get_users_online()?;
let online = context.chat_server().send(GetUsersOnline).await?;
// Build the local user
let my_user = if let Some(local_user_view) = get_local_user_settings_view_from_jwt_opt(

5
crates/api_crud/src/site/update.rs
View file

@ -192,10 +192,7 @@ impl PerformCrud for EditSite {
let res = SiteResponse { site_view };
context
.chat_server()
.send_all_message(UserOperationCrud::EditSite, &res, websocket_id)
.await?;
context.send_all_ws_message(&UserOperationCrud::EditSite, &res, websocket_id)?;
Ok(res)
}

12
crates/api_crud/src/user/create.rs
View file

@ -15,6 +15,7 @@ use lemmy_api_common::{
send_verification_email,
EndpointType,
},
websocket::handlers::captcha::CheckCaptcha,
};
use lemmy_db_schema::{
aggregates::structs::PersonAggregates,
@ -78,10 +79,13 @@ impl PerformCrud for Register {
// If the site is set up, check the captcha
if local_site.site_setup && local_site.captcha_enabled {
let check = context.chat_server().check_captcha(
data.captcha_uuid.clone().unwrap_or_default(),
data.captcha_answer.clone().unwrap_or_default(),
)?;
let check = context
.chat_server()
.send(CheckCaptcha {
uuid: data.captcha_uuid.clone().unwrap_or_default(),
answer: data.captcha_answer.clone().unwrap_or_default(),
})
.await?;
if !check {
return Err(LemmyError::from_message("captcha_incorrect"));
}

1
crates/apub/Cargo.toml
View file

@ -26,6 +26,7 @@ serde_json = { workspace = true }
serde = { workspace = true }
actix-web = { workspace = true }
actix-rt = { workspace = true }
actix = { workspace = true }
tracing = { workspace = true }
strum_macros = { workspace = true }
url = { workspace = true }

34
crates/apub/src/activities/community/report.rs
View file

@ -143,15 +143,12 @@ impl ActivityHandler for Report {
let post_report_view = PostReportView::read(context.pool(), report.id, actor.id).await?;
context
.chat_server()
.send_mod_room_message(
UserOperation::CreateCommentReport,
&PostReportResponse { post_report_view },
post.community_id,
None,
)
.await?;
context.send_mod_ws_message(
&UserOperation::CreateCommentReport,
&PostReportResponse { post_report_view },
post.community_id,
None,
)?;
}
PostOrComment::Comment(comment) => {
let report_form = CommentReportForm {
@ -167,17 +164,14 @@ impl ActivityHandler for Report {
CommentReportView::read(context.pool(), report.id, actor.id).await?;
let community_id = comment_report_view.community.id;
context
.chat_server()
.send_mod_room_message(
UserOperation::CreateCommentReport,
&CommentReportResponse {
comment_report_view,
},
community_id,
None,
)
.await?;
context.send_mod_ws_message(
&UserOperation::CreateCommentReport,
&CommentReportResponse {
comment_report_view,
},
community_id,
None,
)?;
}
};
Ok(())

18
crates/apub/src/activities/community/update.rs
View file

@ -21,7 +21,7 @@ use lemmy_api_common::{
community::{CommunityResponse, EditCommunity, HideCommunity},
context::LemmyContext,
utils::get_local_user_view_from_jwt,
websocket::{send::send_community_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{source::community::Community, traits::Crud};
use lemmy_utils::error::LemmyError;
@ -102,14 +102,14 @@ impl ActivityHandler for UpdateCommunity {
let updated_community =
Community::update(context.pool(), community.id, &community_update_form).await?;
send_community_ws_message(
updated_community.id,
UserOperationCrud::EditCommunity,
None,
None,
context,
)
.await?;
context
.send_community_ws_message(
&UserOperationCrud::EditCommunity,
updated_community.id,
None,
None,
)
.await?;
Ok(())
}
}

9
crates/apub/src/activities/create_or_update/comment.rs
View file

@ -28,7 +28,7 @@ use lemmy_api_common::{
comment::{CommentResponse, CreateComment, EditComment},
context::LemmyContext,
utils::{check_post_deleted_or_removed, is_mod_or_admin},
websocket::{send::send_comment_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
newtypes::PersonId,
@ -199,10 +199,9 @@ impl ActivityHandler for CreateOrUpdateNote {
CreateOrUpdateType::Create => UserOperationCrud::CreateComment,
CreateOrUpdateType::Update => UserOperationCrud::EditComment,
};
send_comment_ws_message(
comment.id, notif_type, None, None, None, recipients, context,
)
.await?;
context
.send_comment_ws_message(&notif_type, comment.id, None, None, None, recipients)
.await?;
Ok(())
}
}

6
crates/apub/src/activities/create_or_update/mod.rs
View file

@ -1,6 +1,6 @@
use crate::objects::person::ApubPerson;
use activitypub_federation::{config::Data, fetch::object_id::ObjectId};
use lemmy_api_common::{context::LemmyContext, websocket::send::send_local_notifs};
use lemmy_api_common::context::LemmyContext;
use lemmy_db_schema::{
newtypes::LocalUserId,
source::{comment::Comment, post::Post},
@ -29,5 +29,7 @@ async fn get_comment_notif_recipients(
// anyway.
// TODO: for compatibility with other projects, it would be much better to read this from cc or tags
let mentions = scrape_text_for_mentions(&comment.content);
send_local_notifs(mentions, comment, &actor, &post, do_send_email, context).await
context
.send_local_notifs(mentions, comment, &actor, &post, do_send_email)
.await
}

6
crates/apub/src/activities/create_or_update/post.rs
View file

@ -25,7 +25,7 @@ use activitypub_federation::{
use lemmy_api_common::{
context::LemmyContext,
post::{CreatePost, EditPost, PostResponse},
websocket::{send::send_post_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
newtypes::PersonId,
@ -196,7 +196,9 @@ impl ActivityHandler for CreateOrUpdatePage {
CreateOrUpdateType::Create => UserOperationCrud::CreatePost,
CreateOrUpdateType::Update => UserOperationCrud::EditPost,
};
send_post_ws_message(post.id, notif_type, None, None, context).await?;
context
.send_post_ws_message(&notif_type, post.id, None, None)
.await?;
Ok(())
}
}

6
crates/apub/src/activities/create_or_update/private_message.rs
View file

@ -16,7 +16,7 @@ use activitypub_federation::{
use lemmy_api_common::{
context::LemmyContext,
private_message::{CreatePrivateMessage, EditPrivateMessage, PrivateMessageResponse},
websocket::{send::send_pm_ws_message, UserOperationCrud},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
newtypes::PersonId,
@ -124,7 +124,9 @@ impl ActivityHandler for CreateOrUpdateChatMessage {
CreateOrUpdateType::Create => UserOperationCrud::CreatePrivateMessage,
CreateOrUpdateType::Update => UserOperationCrud::EditPrivateMessage,
};
send_pm_ws_message(private_message.id, notif_type, None, context).await?;
context
.send_pm_ws_message(&notif_type, private_message.id, None)
.await?;
Ok(())
}

20
crates/apub/src/activities/deletion/delete.rs
View file

@ -8,13 +8,7 @@ use crate::{
protocol::{activities::deletion::delete::Delete, IdOrNestedObject},
};
use activitypub_federation::{config::Data, kinds::activity::DeleteType, traits::ActivityHandler};
use lemmy_api_common::{
context::LemmyContext,
websocket::{
send::{send_comment_ws_message_simple, send_community_ws_message, send_post_ws_message},
UserOperationCrud,
},
};
use lemmy_api_common::{context::LemmyContext, websocket::UserOperationCrud};
use lemmy_db_schema::{
source::{
comment::{Comment, CommentUpdateForm},
@ -134,7 +128,9 @@ pub(in crate::activities) async fn receive_remove_action(
)
.await?;
send_community_ws_message(deleted_community.id, RemoveCommunity, None, None, context).await?;
context
.send_community_ws_message(&RemoveCommunity, deleted_community.id, None, None)
.await?;
}
DeletableObjects::Post(post) => {
let form = ModRemovePostForm {
@ -151,7 +147,9 @@ pub(in crate::activities) async fn receive_remove_action(
)
.await?;
send_post_ws_message(removed_post.id, RemovePost, None, None, context).await?;
context
.send_post_ws_message(&RemovePost, removed_post.id, None, None)
.await?;
}
DeletableObjects::Comment(comment) => {
let form = ModRemoveCommentForm {
@ -168,7 +166,9 @@ pub(in crate::activities) async fn receive_remove_action(
)
.await?;
send_comment_ws_message_simple(removed_comment.id, RemoveComment, context).await?;
context
.send_comment_ws_message_simple(&RemoveComment, removed_comment.id)
.await?;
}
DeletableObjects::PrivateMessage(_) => unimplemented!(),
}

60
crates/apub/src/activities/deletion/mod.rs
View file

@ -35,15 +35,7 @@ use lemmy_api_common::{
post::{DeletePost, PostResponse, RemovePost},
private_message::{DeletePrivateMessage, PrivateMessageResponse},
utils::get_local_user_view_from_jwt,
websocket::{
send::{
send_comment_ws_message_simple,
send_community_ws_message,
send_pm_ws_message,
send_post_ws_message,
},
UserOperationCrud,
},
websocket::UserOperationCrud,
};
use lemmy_db_schema::{
source::{
@ -410,14 +402,14 @@ async fn receive_delete_action(
.build(),
)
.await?;
send_community_ws_message(
community.id,
UserOperationCrud::DeleteCommunity,
None,
None,
context,
)
.await?;
context
.send_community_ws_message(
&UserOperationCrud::DeleteCommunity,
community.id,
None,
None,
)
.await?;
}
DeletableObjects::Post(post) => {
if deleted != post.deleted {
@ -427,14 +419,9 @@ async fn receive_delete_action(
&PostUpdateForm::builder().deleted(Some(deleted)).build(),
)
.await?;
send_post_ws_message(
deleted_post.id,
UserOperationCrud::DeletePost,
None,
None,
context,
)
.await?;
context
.send_post_ws_message(&UserOperationCrud::DeletePost, deleted_post.id, None, None)
.await?;
}
}
DeletableObjects::Comment(comment) => {
@ -445,12 +432,9 @@ async fn receive_delete_action(
&CommentUpdateForm::builder().deleted(Some(deleted)).build(),
)
.await?;
send_comment_ws_message_simple(
deleted_comment.id,
UserOperationCrud::DeleteComment,
context,
)
.await?;
context
.send_comment_ws_message_simple(&UserOperationCrud::DeleteComment, deleted_comment.id)
.await?;
}
}
DeletableObjects::PrivateMessage(pm) => {
@ -463,13 +447,13 @@ async fn receive_delete_action(
)
.await?;
send_pm_ws_message(
deleted_private_message.id,
UserOperationCrud::DeletePrivateMessage,
None,
context,
)
.await?;
context
.send_pm_ws_message(
&UserOperationCrud::DeletePrivateMessage,
deleted_private_message.id,
None,
)
.await?;
}
}
Ok(())

20
crates/apub/src/activities/deletion/undo_delete.rs
View file

@ -8,13 +8,7 @@ use crate::{
protocol::activities::deletion::{delete::Delete, undo_delete::UndoDelete},
};
use activitypub_federation::{config::Data, kinds::activity::UndoType, traits::ActivityHandler};
use lemmy_api_common::{
context::LemmyContext,
websocket::{
send::{send_comment_ws_message_simple, send_community_ws_message, send_post_ws_message},
UserOperationCrud,
},
};
use lemmy_api_common::{context::LemmyContext, websocket::UserOperationCrud};
use lemmy_db_schema::{
source::{
comment::{Comment, CommentUpdateForm},
@ -125,7 +119,9 @@ impl UndoDelete {
&CommunityUpdateForm::builder().removed(Some(false)).build(),
)
.await?;
send_community_ws_message(deleted_community.id, EditCommunity, None, None, context).await?;
context
.send_community_ws_message(&EditCommunity, deleted_community.id, None, None)
.await?;
}
DeletableObjects::Post(post) => {
let form = ModRemovePostForm {
@ -141,7 +137,9 @@ impl UndoDelete {
&PostUpdateForm::builder().removed(Some(false)).build(),
)
.await?;
send_post_ws_message(removed_post.id, EditPost, None, None, context).await?;
context
.send_post_ws_message(&EditPost, removed_post.id, None, None)
.await?;
}
DeletableObjects::Comment(comment) => {
let form = ModRemoveCommentForm {
@ -157,7 +155,9 @@ impl UndoDelete {
&CommentUpdateForm::builder().removed(Some(false)).build(),
)
.await?;
send_comment_ws_message_simple(removed_comment.id, EditComment, context).await?;
context
.send_comment_ws_message_simple(&EditComment, removed_comment.id)
.await?;
}
DeletableObjects::PrivateMessage(_) => unimplemented!(),
}

24
crates/apub/src/activities/following/accept.rs
View file

@ -12,7 +12,11 @@ use activitypub_federation::{
use lemmy_api_common::{
community::CommunityResponse,
context::LemmyContext,
websocket::UserOperation,
websocket::{
handlers::messages::SendUserRoomMessage,
serialize_websocket_message,
UserOperation,
},
};
use lemmy_db_schema::{
source::{actor_language::CommunityLanguage, community::CommunityFollower},
@ -85,20 +89,18 @@ impl ActivityHandler for AcceptFollow {
.id;
let discussion_languages = CommunityLanguage::read(context.pool(), community_id).await?;
let response = CommunityResponse {
let res = CommunityResponse {
community_view,
discussion_languages,
};
context
.chat_server()
.send_user_room_message(
&UserOperation::FollowCommunity,
&response,
local_recipient_id,
None,
)
.await?;
let message = serialize_websocket_message(&UserOperation::FollowCommunity, &res)?;
context.chat_server().do_send(SendUserRoomMessage {
recipient_id: local_recipient_id,
message,
websocket_id: None,
});
Ok(())
}

21
crates/apub/src/activities/voting/mod.rs
View file

@ -16,10 +16,7 @@ use lemmy_api_common::{
post::{CreatePostLike, PostResponse},
sensitive::Sensitive,
utils::get_local_user_view_from_jwt,
websocket::{
send::{send_comment_ws_message_simple, send_post_ws_message},
UserOperation,
},
websocket::UserOperation,
};
use lemmy_db_schema::{
newtypes::CommunityId,
@ -125,7 +122,9 @@ async fn vote_comment(
CommentLike::remove(context.pool(), person_id, comment_id).await?;
CommentLike::like(context.pool(), &like_form).await?;
send_comment_ws_message_simple(comment_id, UserOperation::CreateCommentLike, context).await?;
context
.send_comment_ws_message_simple(&UserOperation::CreateCommentLike, comment_id)
.await?;
Ok(())
}
@ -146,7 +145,9 @@ async fn vote_post(
PostLike::remove(context.pool(), person_id, post_id).await?;
PostLike::like(context.pool(), &like_form).await?;
send_post_ws_message(post.id, UserOperation::CreatePostLike, None, None, context).await?;
context
.send_post_ws_message(&UserOperation::CreatePostLike, post.id, None, None)
.await?;
Ok(())
}
@ -160,7 +161,9 @@ async fn undo_vote_comment(
let person_id = actor.id;
CommentLike::remove(context.pool(), person_id, comment_id).await?;
send_comment_ws_message_simple(comment_id, UserOperation::CreateCommentLike, context).await?;
context
.send_comment_ws_message_simple(&UserOperation::CreateCommentLike, comment_id)
.await?;
Ok(())
}
@ -174,6 +177,8 @@ async fn undo_vote_post(
let person_id = actor.id;
PostLike::remove(context.pool(), person_id, post_id).await?;
send_post_ws_message(post_id, UserOperation::CreatePostLike, None, None, context).await?;
context
.send_post_ws_message(&UserOperation::CreatePostLike, post_id, None, None)
.await?;
Ok(())
}

4
crates/apub/src/api/read_community.rs
View file

@ -8,6 +8,7 @@ use lemmy_api_common::{
community::{GetCommunity, GetCommunityResponse},
context::LemmyContext,
utils::{check_private_instance, get_local_user_view_from_jwt_opt, is_mod_or_admin_opt},
websocket::handlers::online_users::GetCommunityUsersOnline,
};
use lemmy_db_schema::{
impls::actor_language::default_post_language,
@ -76,7 +77,8 @@ impl PerformApub for GetCommunity {
let online = context
.chat_server()
.get_community_users_online(community_id)?;
.send(GetCommunityUsersOnline { community_id })
.await?;
let site_id =
Site::instance_actor_id_from_url(community_view.community.actor_id.clone().into());

4
crates/apub/src/objects/mod.rs
View file

@ -55,6 +55,7 @@ pub(crate) fn verify_is_remote_object(id: &Url, settings: &Settings) -> Result<(
#[cfg(test)]
pub(crate) mod tests {
use activitypub_federation::config::{Data, FederationConfig};
use actix::Actor;
use anyhow::anyhow;
use lemmy_api_common::{
context::LemmyContext,
@ -69,7 +70,6 @@ pub(crate) mod tests {
};
use reqwest::{Client, Request, Response};
use reqwest_middleware::{ClientBuilder, Middleware, Next};
use std::sync::Arc;
use task_local_extensions::Extensions;
struct BlockedMiddleware;
@ -110,7 +110,7 @@ pub(crate) mod tests {
let rate_limit_config = RateLimitConfig::builder().build();
let rate_limit_cell = RateLimitCell::new(rate_limit_config).await;
let chat_server = Arc::new(ChatServer::startup());
let chat_server = ChatServer::default().start();
let context = LemmyContext::create(pool, chat_server, client, secret, rate_limit_cell.clone());
let config = FederationConfig::builder()
.domain("example.com")

270
src/api_routes_websocket.rs
View file

@ -1,8 +1,18 @@
use activitypub_federation::config::Data as ContextData;
use actix::{
fut,
Actor,
ActorContext,
ActorFutureExt,
AsyncContext,
ContextFutureSpawner,
Handler,
Running,
StreamHandler,
WrapFuture,
};
use actix_web::{web, Error, HttpRequest, HttpResponse};
use actix_web_actors::ws;
use actix_ws::{MessageStream, Session};
use futures::stream::StreamExt;
use lemmy_api::Perform;
use lemmy_api_common::{
comment::{
@ -101,6 +111,10 @@ use lemmy_api_common::{
Search,
},
websocket::{
handlers::{
connect::{Connect, Disconnect},
WsMessage,
},
serialize_websocket_message,
structs::{CommunityJoin, ModJoin, PostJoin, UserJoin},
UserOperation,
@ -117,21 +131,36 @@ use std::{
ops::Deref,
result,
str::FromStr,
sync::{Arc, Mutex},
time::{Duration, Instant},
};
use tracing::{debug, error, info};
use tracing::{debug, error};
/// How often heartbeat pings are sent
const HEARTBEAT_INTERVAL: Duration = Duration::from_secs(25);
/// How long before lack of client response causes a timeout
const CLIENT_TIMEOUT: Duration = Duration::from_secs(60);
pub struct WsChatSession {
/// unique session id
pub id: ConnectionId,
pub ip: IpAddr,
/// Client must send ping at least once per 10 seconds (CLIENT_TIMEOUT),
/// otherwise we drop connection.
pub hb: Instant,
/// The context data
apub_data: ContextData<LemmyContext>,
}
/// Entry point for our route
pub async fn websocket(
req: HttpRequest,
body: web::Payload,
context: web::Data<LemmyContext>,
rate_limiter: web::Data<RateLimitCell>,
apub_data: ContextData<LemmyContext>,
) -> Result<HttpResponse, Error> {
let (response, session, stream) = actix_ws::handle(&req, body)?;
let client_ip = IpAddr(
req
.connection_info()
@ -146,111 +175,158 @@ pub async fn websocket(
"Websocket join with IP: {} has been rate limited.",
&client_ip
);
session.close(None).await.map_err(LemmyError::from)?;
return Ok(response);
return Ok(HttpResponse::TooManyRequests().finish());
}
let connection_id = context.chat_server().handle_connect(session.clone())?;
info!("{} joined", &client_ip);
let alive = Arc::new(Mutex::new(Instant::now()));
heartbeat(session.clone(), alive.clone());
actix_rt::spawn(handle_messages(
stream,
client_ip,
session,
connection_id,
alive,
rate_limiter,
apub_data,
));
Ok(response)
ws::start(
WsChatSession {
id: 0,
ip: client_ip,
hb: Instant::now(),
apub_data,
},
&req,
body,
)
}
async fn handle_messages(
mut stream: MessageStream,
client_ip: IpAddr,
mut session: Session,
connection_id: ConnectionId,
alive: Arc<Mutex<Instant>>,
rate_limiter: web::Data<RateLimitCell>,
context: ContextData<LemmyContext>,
) -> Result<(), LemmyError> {
while let Some(Ok(msg)) = stream.next().await {
match msg {
ws::Message::Ping(bytes) => {
if session.pong(&bytes).await.is_err() {
break;
}
}
ws::Message::Pong(_) => {
let mut lock = alive
.lock()
.expect("Failed to acquire websocket heartbeat alive lock");
*lock = Instant::now();
}
ws::Message::Text(text) => {
let msg = text.trim().to_string();
let executed = parse_json_message(
msg,
client_ip.clone(),
connection_id,
rate_limiter.get_ref(),
context.reset_request_count(),
)
.await;
/// helper method that sends ping to client every few seconds (HEARTBEAT_INTERVAL).
///
/// also this method checks heartbeats from client
fn hb(ctx: &mut ws::WebsocketContext<WsChatSession>) {
ctx.run_interval(HEARTBEAT_INTERVAL, |act, ctx| {
// check client heartbeats
if Instant::now().duration_since(act.hb) > CLIENT_TIMEOUT {
// heartbeat timed out
let res = executed.unwrap_or_else(|e| {
error!("Error during message handling {}", e);
e.to_json()
.unwrap_or_else(|_| String::from(r#"{"error":"failed to serialize json"}"#))
});
session.text(res).await?;
}
ws::Message::Close(_) => {
session.close(None).await?;
context.chat_server().handle_disconnect(&connection_id)?;
break;
}
ws::Message::Binary(_) => info!("Unexpected binary"),
_ => {}
// notify chat server
act
.apub_data
.chat_server()
.do_send(Disconnect { id: act.id });
// stop actor
ctx.stop();
// don't try to send a ping
return;
}
}
Ok(())
}
fn heartbeat(mut session: Session, alive: Arc<Mutex<Instant>>) {
actix_rt::spawn(async move {
let mut interval = actix_rt::time::interval(Duration::from_secs(5));
loop {
if session.ping(b"").await.is_err() {
break;
}
let duration_since = {
let alive_lock = alive
.lock()
.expect("Failed to acquire websocket heartbeat alive lock");
Instant::now().duration_since(*alive_lock)
};
if duration_since > Duration::from_secs(10) {
let _ = session.close(None).await;
break;
}
interval.tick().await;
}
ctx.ping(b"");
});
}
impl Actor for WsChatSession {
type Context = ws::WebsocketContext<Self>;
/// Method is called on actor start.
/// We register ws session with ChatServer
fn started(&mut self, ctx: &mut Self::Context) {
// we'll start heartbeat process on session start.
hb(ctx);
// register self in chat server. `AsyncContext::wait` register
// future within context, but context waits until this future resolves
// before processing any other events.
// HttpContext::state() is instance of WsChatSessionState, state is shared
// across all routes within application
let addr = ctx.address();
self
.apub_data
.chat_server()
.send(Connect {
addr: addr.recipient(),
})
.into_actor(self)
.then(|res, act, ctx| {
match res {
Ok(res) => act.id = res,
// something is wrong with chat server
_ => ctx.stop(),
}
fut::ready(())
})
.wait(ctx);
}
fn stopping(&mut self, _: &mut Self::Context) -> Running {
// notify chat server
self
.apub_data
.chat_server()
.do_send(Disconnect { id: self.id });
Running::Stop
}
}
/// Handle messages from chat server, we simply send it to peer websocket
impl Handler<WsMessage> for WsChatSession {
type Result = ();
fn handle(&mut self, msg: WsMessage, ctx: &mut Self::Context) {
ctx.text(msg.0);
}
}
/// WebSocket message handler
impl StreamHandler<Result<ws::Message, ws::ProtocolError>> for WsChatSession {
fn handle(&mut self, msg: Result<ws::Message, ws::ProtocolError>, ctx: &mut Self::Context) {
let msg = match msg {
Err(_) => {
ctx.stop();
return;
}
Ok(msg) => msg,
};
match msg {
ws::Message::Ping(msg) => {
self.hb = Instant::now();
ctx.pong(&msg);
}
ws::Message::Pong(_) => {
self.hb = Instant::now();
}
ws::Message::Text(text) => {
let ip_clone = self.ip.clone();
let id_clone = self.id.to_owned();
let context_clone = self.apub_data.reset_request_count();
let fut = Box::pin(async move {
let msg = text.trim().to_string();
parse_json_message(msg, ip_clone, id_clone, context_clone).await
});
fut
.into_actor(self)
.then(|res, _, ctx| {
match res {
Ok(res) => ctx.text(res),
Err(e) => error!("{}", &e),
}
actix::fut::ready(())
})
.spawn(ctx);
}
ws::Message::Binary(_) => println!("Unexpected binary"),
ws::Message::Close(reason) => {
ctx.close(reason);
ctx.stop();
}
ws::Message::Continuation(_) => {
ctx.stop();
}
ws::Message::Nop => (),
}
}
}
/// Entry point for our websocket route
async fn parse_json_message(
msg: String,
ip: IpAddr,
connection_id: ConnectionId,
rate_limiter: &RateLimitCell,
context: ContextData<LemmyContext>,
) -> Result<String, LemmyError> {
let rate_limiter = context.settings_updated_channel();
let json: Value = serde_json::from_str(&msg)?;
let data = json
.get("data")

5
src/lib.rs
View file

@ -8,6 +8,7 @@ pub mod telemetry;
use crate::{code_migrations::run_advanced_migrations, root_span_builder::QuieterRootSpanBuilder};
use activitypub_federation::config::{FederationConfig, FederationMiddleware};
use actix::Actor;
use actix_web::{middleware, web::Data, App, HttpServer, Result};
use doku::json::{AutoComments, CommentsStyle, Formatting, ObjectsStyle};
use lemmy_api_common::{
@ -35,7 +36,7 @@ use reqwest::Client;
use reqwest_middleware::ClientBuilder;
use reqwest_retry::{policies::ExponentialBackoff, RetryTransientMiddleware};
use reqwest_tracing::TracingMiddleware;
use std::{env, sync::Arc, thread, time::Duration};
use std::{env, thread, time::Duration};
use tracing::subscriber::set_global_default;
use tracing_actix_web::TracingLogger;
use tracing_error::ErrorLayer;
@ -133,7 +134,7 @@ pub async fn start_lemmy_server() -> Result<(), LemmyError> {
scheduled_tasks::setup(db_url, user_agent).expect("Couldn't set up scheduled_tasks");
});
let chat_server = Arc::new(ChatServer::startup());
let chat_server = ChatServer::default().start();
// Create Http server with websocket support
let settings_bind = settings.clone();