111 lines
2.9 KiB
Rust
111 lines
2.9 KiB
Rust
use crate::{
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activities::{generate_activity_id, send_lemmy_activity, verify_person},
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fetcher::user_or_community::UserOrCommunity,
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local_instance,
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objects::{community::ApubCommunity, person::ApubPerson},
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protocol::activities::following::{follow::Follow, undo_follow::UndoFollow},
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ActorType,
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};
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use activitypub_federation::{
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core::object_id::ObjectId,
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data::Data,
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traits::{ActivityHandler, Actor},
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utils::verify_urls_match,
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};
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use activitystreams_kinds::activity::UndoType;
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use lemmy_api_common::context::LemmyContext;
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use lemmy_db_schema::{
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source::{
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community::{CommunityFollower, CommunityFollowerForm},
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person::{PersonFollower, PersonFollowerForm},
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},
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traits::Followable,
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};
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use lemmy_utils::error::LemmyError;
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use url::Url;
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impl UndoFollow {
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#[tracing::instrument(skip_all)]
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pub async fn send(
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actor: &ApubPerson,
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community: &ApubCommunity,
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context: &LemmyContext,
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) -> Result<(), LemmyError> {
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let object = Follow::new(actor, community, context)?;
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let undo = UndoFollow {
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actor: ObjectId::new(actor.actor_id()),
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object,
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kind: UndoType::Undo,
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id: generate_activity_id(
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UndoType::Undo,
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&context.settings().get_protocol_and_hostname(),
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)?,
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};
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let inbox = vec![community.shared_inbox_or_inbox()];
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send_lemmy_activity(context, undo, actor, inbox, true).await
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}
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}
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#[async_trait::async_trait(?Send)]
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impl ActivityHandler for UndoFollow {
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type DataType = LemmyContext;
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type Error = LemmyError;
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fn id(&self) -> &Url {
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&self.id
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}
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fn actor(&self) -> &Url {
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self.actor.inner()
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}
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#[tracing::instrument(skip_all)]
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async fn verify(
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&self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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verify_urls_match(self.actor.inner(), self.object.actor.inner())?;
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verify_person(&self.actor, context, request_counter).await?;
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self.object.verify(context, request_counter).await?;
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Ok(())
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}
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#[tracing::instrument(skip_all)]
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async fn receive(
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self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let person = self
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.actor
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.dereference(context, local_instance(context).await, request_counter)
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.await?;
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let object = self
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.object
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.object
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.dereference(context, local_instance(context).await, request_counter)
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.await?;
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match object {
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UserOrCommunity::User(u) => {
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let form = PersonFollowerForm {
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person_id: u.id,
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follower_id: person.id,
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pending: false,
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};
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PersonFollower::unfollow(context.pool(), &form).await?;
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}
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UserOrCommunity::Community(c) => {
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let form = CommunityFollowerForm {
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community_id: c.id,
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person_id: person.id,
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pending: false,
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};
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CommunityFollower::unfollow(context.pool(), &form).await?;
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}
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}
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Ok(())
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}
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}
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