/
community.rs
292 lines (263 loc) Β· 10.3 KB
/
community.rs
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use crate::{
activity_lists::GroupInboxActivities,
collections::{
community_featured::ApubCommunityFeatured,
community_follower::ApubCommunityFollower,
community_moderators::ApubCommunityModerators,
community_outbox::ApubCommunityOutbox,
},
http::{check_community_public, create_apub_response, create_apub_tombstone_response},
objects::{community::ApubCommunity, person::ApubPerson},
};
use activitypub_federation::{
actix_web::inbox::receive_activity,
config::Data,
protocol::context::WithContext,
traits::{Collection, Object},
};
use actix_web::{web, web::Bytes, HttpRequest, HttpResponse};
use lemmy_api_common::context::LemmyContext;
use lemmy_db_schema::{source::community::Community, traits::ApubActor};
use lemmy_utils::{error::LemmyResult, LemmyErrorType};
use serde::Deserialize;
#[derive(Deserialize, Clone)]
pub(crate) struct CommunityQuery {
community_name: String,
}
/// Return the ActivityPub json representation of a local community over HTTP.
#[tracing::instrument(skip_all)]
pub(crate) async fn get_apub_community_http(
info: web::Path<CommunityQuery>,
context: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
let community: ApubCommunity =
Community::read_from_name(&mut context.pool(), &info.community_name, true)
.await?
.ok_or(LemmyErrorType::CouldntFindCommunity)?
.into();
if community.deleted || community.removed {
return create_apub_tombstone_response(community.actor_id.clone());
}
check_community_public(&community)?;
let apub = community.into_json(&context).await?;
create_apub_response(&apub)
}
/// Handler for all incoming receive to community inboxes.
#[tracing::instrument(skip_all)]
pub async fn community_inbox(
request: HttpRequest,
body: Bytes,
data: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
receive_activity::<WithContext<GroupInboxActivities>, ApubPerson, LemmyContext>(
request, body, &data,
)
.await
}
/// Returns an empty followers collection, only populating the size (for privacy).
pub(crate) async fn get_apub_community_followers(
info: web::Path<CommunityQuery>,
context: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
let community = Community::read_from_name(&mut context.pool(), &info.community_name, false)
.await?
.ok_or(LemmyErrorType::CouldntFindCommunity)?;
check_community_public(&community)?;
let followers = ApubCommunityFollower::read_local(&community.into(), &context).await?;
create_apub_response(&followers)
}
/// Returns the community outbox, which is populated by a maximum of 20 posts (but no other
/// activities like votes or comments).
pub(crate) async fn get_apub_community_outbox(
info: web::Path<CommunityQuery>,
context: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
let community: ApubCommunity =
Community::read_from_name(&mut context.pool(), &info.community_name, false)
.await?
.ok_or(LemmyErrorType::CouldntFindCommunity)?
.into();
check_community_public(&community)?;
let outbox = ApubCommunityOutbox::read_local(&community, &context).await?;
create_apub_response(&outbox)
}
#[tracing::instrument(skip_all)]
pub(crate) async fn get_apub_community_moderators(
info: web::Path<CommunityQuery>,
context: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
let community: ApubCommunity =
Community::read_from_name(&mut context.pool(), &info.community_name, false)
.await?
.ok_or(LemmyErrorType::CouldntFindCommunity)?
.into();
check_community_public(&community)?;
let moderators = ApubCommunityModerators::read_local(&community, &context).await?;
create_apub_response(&moderators)
}
/// Returns collection of featured (stickied) posts.
pub(crate) async fn get_apub_community_featured(
info: web::Path<CommunityQuery>,
context: Data<LemmyContext>,
) -> LemmyResult<HttpResponse> {
let community: ApubCommunity =
Community::read_from_name(&mut context.pool(), &info.community_name, false)
.await?
.ok_or(LemmyErrorType::CouldntFindCommunity)?
.into();
check_community_public(&community)?;
let featured = ApubCommunityFeatured::read_local(&community, &context).await?;
create_apub_response(&featured)
}
#[cfg(test)]
#[allow(clippy::unwrap_used)]
#[allow(clippy::indexing_slicing)]
pub(crate) mod tests {
use super::*;
use crate::protocol::objects::{group::Group, tombstone::Tombstone};
use actix_web::body::to_bytes;
use lemmy_db_schema::{
newtypes::InstanceId,
source::{
community::CommunityInsertForm,
instance::Instance,
local_site::{LocalSite, LocalSiteInsertForm},
local_site_rate_limit::{LocalSiteRateLimit, LocalSiteRateLimitInsertForm},
site::{Site, SiteInsertForm},
},
traits::Crud,
CommunityVisibility,
};
use serde::de::DeserializeOwned;
use serial_test::serial;
async fn init(
deleted: bool,
visibility: CommunityVisibility,
context: &Data<LemmyContext>,
) -> LemmyResult<(Instance, Community)> {
let instance =
Instance::read_or_create(&mut context.pool(), "my_domain.tld".to_string()).await?;
create_local_site(context, instance.id).await?;
let community_form = CommunityInsertForm::builder()
.name("testcom6".to_string())
.title("nada".to_owned())
.public_key("pubkey".to_string())
.instance_id(instance.id)
.deleted(Some(deleted))
.visibility(Some(visibility))
.build();
let community = Community::create(&mut context.pool(), &community_form).await?;
Ok((instance, community))
}
/// Necessary for the community outbox fetching
async fn create_local_site(
context: &Data<LemmyContext>,
instance_id: InstanceId,
) -> LemmyResult<()> {
// Create a local site, since this is necessary for community fetching.
let site_form = SiteInsertForm::builder()
.name("test site".to_string())
.instance_id(instance_id)
.build();
let site = Site::create(&mut context.pool(), &site_form).await?;
let local_site_form = LocalSiteInsertForm::builder().site_id(site.id).build();
let local_site = LocalSite::create(&mut context.pool(), &local_site_form).await?;
let local_site_rate_limit_form = LocalSiteRateLimitInsertForm::builder()
.local_site_id(local_site.id)
.build();
LocalSiteRateLimit::create(&mut context.pool(), &local_site_rate_limit_form).await?;
Ok(())
}
async fn decode_response<T: DeserializeOwned>(res: HttpResponse) -> LemmyResult<T> {
let body = to_bytes(res.into_body()).await.unwrap();
let body = std::str::from_utf8(&body)?;
Ok(serde_json::from_str(body)?)
}
#[tokio::test]
#[serial]
async fn test_get_community() -> LemmyResult<()> {
let context = LemmyContext::init_test_context().await;
let (instance, community) = init(false, CommunityVisibility::Public, &context).await?;
// fetch invalid community
let query = CommunityQuery {
community_name: "asd".to_string(),
};
let res = get_apub_community_http(query.into(), context.reset_request_count()).await;
assert!(res.is_err());
// fetch valid community
let query = CommunityQuery {
community_name: community.name.clone(),
};
let res = get_apub_community_http(query.clone().into(), context.reset_request_count()).await?;
assert_eq!(200, res.status());
let res_group: Group = decode_response(res).await?;
let community: ApubCommunity = community.into();
let group = community.clone().into_json(&context).await?;
assert_eq!(group, res_group);
let res =
get_apub_community_featured(query.clone().into(), context.reset_request_count()).await?;
assert_eq!(200, res.status());
let res =
get_apub_community_followers(query.clone().into(), context.reset_request_count()).await?;
assert_eq!(200, res.status());
let res =
get_apub_community_moderators(query.clone().into(), context.reset_request_count()).await?;
assert_eq!(200, res.status());
let res = get_apub_community_outbox(query.into(), context.reset_request_count()).await?;
assert_eq!(200, res.status());
Instance::delete(&mut context.pool(), instance.id).await?;
Ok(())
}
#[tokio::test]
#[serial]
async fn test_get_deleted_community() -> LemmyResult<()> {
let context = LemmyContext::init_test_context().await;
let (instance, community) = init(true, CommunityVisibility::LocalOnly, &context).await?;
// should return tombstone
let query = CommunityQuery {
community_name: community.name.clone(),
};
let res = get_apub_community_http(query.clone().into(), context.reset_request_count()).await?;
assert_eq!(410, res.status());
let res_tombstone = decode_response::<Tombstone>(res).await;
assert!(res_tombstone.is_ok());
let res =
get_apub_community_featured(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res =
get_apub_community_followers(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res =
get_apub_community_moderators(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res = get_apub_community_outbox(query.into(), context.reset_request_count()).await;
assert!(res.is_err());
//Community::delete(&mut context.pool(), community.id).await?;
Instance::delete(&mut context.pool(), instance.id).await?;
Ok(())
}
#[tokio::test]
#[serial]
async fn test_get_local_only_community() -> LemmyResult<()> {
let context = LemmyContext::init_test_context().await;
let (instance, community) = init(false, CommunityVisibility::LocalOnly, &context).await?;
let query = CommunityQuery {
community_name: community.name.clone(),
};
let res = get_apub_community_http(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res =
get_apub_community_featured(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res =
get_apub_community_followers(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res =
get_apub_community_moderators(query.clone().into(), context.reset_request_count()).await;
assert!(res.is_err());
let res = get_apub_community_outbox(query.into(), context.reset_request_count()).await;
assert!(res.is_err());
Instance::delete(&mut context.pool(), instance.id).await?;
Ok(())
}
}