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https://github.com/LemmyNet/lemmy.git
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353a1fe0a0
* Rewrite following activities * Rewrite person apub * Rewrite community apub * Rewrite private message activity sending
110 lines
3.2 KiB
Rust
110 lines
3.2 KiB
Rust
use crate::{
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activities::{
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following::accept::AcceptFollowCommunity,
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generate_activity_id,
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verify_activity,
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verify_person,
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},
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activity_queue::send_activity_new,
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extensions::context::lemmy_context,
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fetcher::{community::get_or_fetch_and_upsert_community, person::get_or_fetch_and_upsert_person},
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ActorType,
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};
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use activitystreams::activity::kind::FollowType;
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use lemmy_api_common::blocking;
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use lemmy_apub_lib::{verify_urls_match, ActivityCommonFields, ActivityHandler};
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use lemmy_db_queries::Followable;
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use lemmy_db_schema::source::{
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community::{Community, CommunityFollower, CommunityFollowerForm},
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person::Person,
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};
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use lemmy_utils::LemmyError;
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use lemmy_websocket::LemmyContext;
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use url::Url;
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct FollowCommunity {
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pub(in crate::activities::following) to: Url,
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pub(in crate::activities::following) object: Url,
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#[serde(rename = "type")]
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pub(in crate::activities::following) kind: FollowType,
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#[serde(flatten)]
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pub(in crate::activities::following) common: ActivityCommonFields,
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}
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impl FollowCommunity {
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pub async fn send(
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actor: &Person,
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community: &Community,
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context: &LemmyContext,
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) -> Result<(), LemmyError> {
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let community_follower_form = CommunityFollowerForm {
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community_id: community.id,
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person_id: actor.id,
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pending: true,
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};
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blocking(context.pool(), move |conn| {
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CommunityFollower::follow(conn, &community_follower_form).ok()
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})
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.await?;
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let id = generate_activity_id(FollowType::Follow)?;
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let follow = FollowCommunity {
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to: community.actor_id(),
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object: community.actor_id(),
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kind: FollowType::Follow,
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common: ActivityCommonFields {
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context: lemmy_context(),
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id: id.clone(),
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actor: actor.actor_id(),
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unparsed: Default::default(),
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},
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};
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let inbox = vec![community.inbox_url.clone().into()];
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send_activity_new(context, &follow, &id, 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 FollowCommunity {
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async fn verify(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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verify_activity(self.common())?;
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verify_urls_match(&self.to, &self.object)?;
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verify_person(&self.common.actor, context, request_counter).await?;
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Ok(())
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}
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async fn receive(
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self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let actor =
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get_or_fetch_and_upsert_person(&self.common.actor, context, request_counter).await?;
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let community =
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get_or_fetch_and_upsert_community(&self.object, context, request_counter).await?;
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let community_follower_form = CommunityFollowerForm {
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community_id: community.id,
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person_id: actor.id,
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pending: false,
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};
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// This will fail if they're already a follower, but ignore the error.
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blocking(context.pool(), move |conn| {
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CommunityFollower::follow(conn, &community_follower_form).ok()
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})
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.await?;
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AcceptFollowCommunity::send(self, context).await
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}
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fn common(&self) -> &ActivityCommonFields {
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&self.common
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}
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}
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