mirror of
https://github.com/LemmyNet/lemmy.git
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120 lines
4 KiB
Rust
120 lines
4 KiB
Rust
use crate::{
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activity_lists::GroupInboxActivities,
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collections::{
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community_moderators::ApubCommunityModerators,
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community_outbox::ApubCommunityOutbox,
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CommunityContext,
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},
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generate_outbox_url,
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http::{create_apub_response, create_apub_tombstone_response, receive_lemmy_activity},
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local_instance,
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objects::{community::ApubCommunity, person::ApubPerson},
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protocol::collections::group_followers::GroupFollowers,
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};
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use activitypub_federation::{
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core::object_id::ObjectId,
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deser::context::WithContext,
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traits::ApubObject,
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};
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use actix_web::{web, HttpRequest, HttpResponse};
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use lemmy_api_common::utils::blocking;
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use lemmy_db_schema::{source::community::Community, traits::ApubActor};
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use lemmy_utils::error::LemmyError;
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use lemmy_websocket::LemmyContext;
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use serde::Deserialize;
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#[derive(Deserialize)]
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pub(crate) struct CommunityQuery {
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community_name: String,
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}
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/// Return the ActivityPub json representation of a local community over HTTP.
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#[tracing::instrument(skip_all)]
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pub(crate) async fn get_apub_community_http(
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info: web::Path<CommunityQuery>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, LemmyError> {
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let community: ApubCommunity = blocking(context.pool(), move |conn| {
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Community::read_from_name(conn, &info.community_name, true)
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})
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.await??
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.into();
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if !community.deleted && !community.removed {
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let apub = community.into_apub(&**context).await?;
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Ok(create_apub_response(&apub))
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} else {
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Ok(create_apub_tombstone_response(community.actor_id.clone()))
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}
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}
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/// Handler for all incoming receive to community inboxes.
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#[tracing::instrument(skip_all)]
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pub async fn community_inbox(
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request: HttpRequest,
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payload: String,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, LemmyError> {
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receive_lemmy_activity::<WithContext<GroupInboxActivities>, ApubPerson>(request, payload, context)
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.await
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}
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/// Returns an empty followers collection, only populating the size (for privacy).
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pub(crate) async fn get_apub_community_followers(
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info: web::Path<CommunityQuery>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, LemmyError> {
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let community = blocking(context.pool(), move |conn| {
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Community::read_from_name(conn, &info.community_name, false)
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})
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.await??;
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let followers = GroupFollowers::new(community, &context).await?;
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Ok(create_apub_response(&followers))
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}
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/// Returns the community outbox, which is populated by a maximum of 20 posts (but no other
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/// activites like votes or comments).
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pub(crate) async fn get_apub_community_outbox(
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info: web::Path<CommunityQuery>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, LemmyError> {
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let community = blocking(context.pool(), move |conn| {
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Community::read_from_name(conn, &info.community_name, false)
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})
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.await??;
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if community.deleted || community.removed {
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return Err(LemmyError::from_message("deleted"));
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}
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let id = ObjectId::new(generate_outbox_url(&community.actor_id)?);
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let outbox_data = CommunityContext(community.into(), context.get_ref().clone());
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let outbox: ApubCommunityOutbox = id
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.dereference(&outbox_data, local_instance(&context), &mut 0)
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.await?;
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Ok(create_apub_response(&outbox.into_apub(&outbox_data).await?))
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}
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#[tracing::instrument(skip_all)]
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pub(crate) async fn get_apub_community_moderators(
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info: web::Path<CommunityQuery>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, LemmyError> {
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let community: ApubCommunity = blocking(context.pool(), move |conn| {
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Community::read_from_name(conn, &info.community_name, false)
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})
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.await??
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.into();
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if community.deleted || community.removed {
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return Err(LemmyError::from_message("deleted"));
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}
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let id = ObjectId::new(generate_outbox_url(&community.actor_id)?);
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let outbox_data = CommunityContext(community, context.get_ref().clone());
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let moderators: ApubCommunityModerators = id
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.dereference(&outbox_data, local_instance(&context), &mut 0)
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.await?;
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Ok(create_apub_response(
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&moderators.into_apub(&outbox_data).await?,
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))
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}
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