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https://github.com/LemmyNet/lemmy.git
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7fd14b3d2a
* Make remove content optional during account deletion (fixes #1617) * simplify purge params by passing context * update js client * add delete content * update woodpecker config --------- Co-authored-by: Dessalines <dessalines@users.noreply.github.com>
113 lines
3.5 KiB
Rust
113 lines
3.5 KiB
Rust
use crate::{
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community::BanFromCommunity,
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context::LemmyContext,
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person::BanPerson,
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post::{DeletePost, RemovePost},
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};
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use activitypub_federation::config::Data;
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use futures::future::BoxFuture;
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use lemmy_db_schema::{
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newtypes::{CommunityId, DbUrl, PersonId},
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source::{
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comment::Comment,
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community::Community,
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person::Person,
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post::Post,
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private_message::PrivateMessage,
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},
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};
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use lemmy_db_views::structs::PrivateMessageView;
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use lemmy_utils::{error::LemmyResult, SYNCHRONOUS_FEDERATION};
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use once_cell::sync::{Lazy, OnceCell};
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use tokio::{
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sync::{
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mpsc,
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mpsc::{UnboundedReceiver, UnboundedSender, WeakUnboundedSender},
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Mutex,
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},
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task::JoinHandle,
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};
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use url::Url;
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type MatchOutgoingActivitiesBoxed =
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Box<for<'a> fn(SendActivityData, &'a Data<LemmyContext>) -> BoxFuture<'a, LemmyResult<()>>>;
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/// This static is necessary so that activities can be sent out synchronously for tests.
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pub static MATCH_OUTGOING_ACTIVITIES: OnceCell<MatchOutgoingActivitiesBoxed> = OnceCell::new();
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#[derive(Debug)]
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pub enum SendActivityData {
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CreatePost(Post),
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UpdatePost(Post),
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DeletePost(Post, Person, DeletePost),
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RemovePost(Post, Person, RemovePost),
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LockPost(Post, Person, bool),
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FeaturePost(Post, Person, bool),
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CreateComment(Comment),
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UpdateComment(Comment),
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DeleteComment(Comment, Person, Community),
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RemoveComment(Comment, Person, Community, Option<String>),
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LikePostOrComment(DbUrl, Person, Community, i16),
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FollowCommunity(Community, Person, bool),
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UpdateCommunity(Person, Community),
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DeleteCommunity(Person, Community, bool),
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RemoveCommunity(Person, Community, Option<String>, bool),
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AddModToCommunity(Person, CommunityId, PersonId, bool),
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BanFromCommunity(Person, CommunityId, Person, BanFromCommunity),
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BanFromSite(Person, Person, BanPerson),
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CreatePrivateMessage(PrivateMessageView),
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UpdatePrivateMessage(PrivateMessageView),
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DeletePrivateMessage(Person, PrivateMessage, bool),
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DeleteUser(Person, bool),
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CreateReport(Url, Person, Community, String),
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}
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// TODO: instead of static, move this into LemmyContext. make sure that stopping the process with
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// ctrl+c still works.
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static ACTIVITY_CHANNEL: Lazy<ActivityChannel> = Lazy::new(|| {
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let (sender, receiver) = mpsc::unbounded_channel();
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let weak_sender = sender.downgrade();
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ActivityChannel {
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weak_sender,
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receiver: Mutex::new(receiver),
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keepalive_sender: Mutex::new(Some(sender)),
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}
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});
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pub struct ActivityChannel {
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weak_sender: WeakUnboundedSender<SendActivityData>,
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receiver: Mutex<UnboundedReceiver<SendActivityData>>,
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keepalive_sender: Mutex<Option<UnboundedSender<SendActivityData>>>,
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}
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impl ActivityChannel {
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pub async fn retrieve_activity() -> Option<SendActivityData> {
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let mut lock = ACTIVITY_CHANNEL.receiver.lock().await;
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lock.recv().await
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}
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pub async fn submit_activity(
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data: SendActivityData,
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context: &Data<LemmyContext>,
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) -> LemmyResult<()> {
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if *SYNCHRONOUS_FEDERATION {
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MATCH_OUTGOING_ACTIVITIES
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.get()
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.expect("retrieve function pointer")(data, context)
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.await?;
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}
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// could do `ACTIVITY_CHANNEL.keepalive_sender.lock()` instead and get rid of weak_sender,
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// not sure which way is more efficient
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else if let Some(sender) = ACTIVITY_CHANNEL.weak_sender.upgrade() {
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sender.send(data)?;
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}
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Ok(())
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}
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pub async fn close(outgoing_activities_task: JoinHandle<LemmyResult<()>>) -> LemmyResult<()> {
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ACTIVITY_CHANNEL.keepalive_sender.lock().await.take();
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outgoing_activities_task.await??;
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Ok(())
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}
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}
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