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Move moderators collection to separate HTTP endpoint

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This commit is contained in:
Felix Ableitner 2021-03-08 14:40:28 +01:00
parent beb8b9fe69
commit 0c484e8c76
10 changed files with 97 additions and 64 deletions
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14
crates/apub/src/extensions/group_extensions.rs
View file

@ -1,7 +1,4 @@
use activitystreams::{
collection::{CollectionExt, OrderedCollection},
unparsed::UnparsedMutExt,
};
use activitystreams::unparsed::UnparsedMutExt;
use activitystreams_ext::UnparsedExtension;
use lemmy_utils::LemmyError;
use serde::{Deserialize, Serialize};
@ -13,17 +10,14 @@ use url::Url;
#[serde(rename_all = "camelCase")]
pub struct GroupExtension {
pub sensitive: Option<bool>,
pub moderators: Option<OrderedCollection>,
pub moderators: Option<Url>,
}
impl GroupExtension {
pub fn new(sensitive: bool, moderators: Vec<Url>) -> Result<GroupExtension, LemmyError> {
let mut mods = OrderedCollection::new();
mods.set_total_items(moderators.len() as u64);
mods.set_many_items(moderators);
pub fn new(sensitive: bool, moderators_url: Url) -> Result<GroupExtension, LemmyError> {
Ok(GroupExtension {
sensitive: Some(sensitive),
moderators: Some(mods),
moderators: Some(moderators_url),
})
}
}

24
crates/apub/src/fetcher/community.rs
View file

@ -103,3 +103,27 @@ async fn fetch_community_outbox(
Ok(())
}
pub(crate) async fn fetch_community_mods(
context: &LemmyContext,
group: &GroupExt,
recursion_counter: &mut i32,
) -> Result<Vec<Url>, LemmyError> {
if let Some(mods_url) = &group.ext_one.moderators {
let mods =
fetch_remote_object::<OrderedCollection>(context.client(), mods_url, recursion_counter)
.await?;
let mods = mods
.items()
.map(|i| i.as_many())
.flatten()
.context(location_info!())?
.iter()
.filter_map(|i| i.as_xsd_any_uri())
.map(|u| u.to_owned())
.collect();
Ok(mods)
} else {
Ok(vec![])
}
}

4
crates/apub/src/http/comment.rs
View file

@ -12,12 +12,12 @@ use lemmy_websocket::LemmyContext;
use serde::Deserialize;
#[derive(Deserialize)]
pub struct CommentQuery {
pub(crate) struct CommentQuery {
comment_id: String,
}
/// Return the ActivityPub json representation of a local comment over HTTP.
pub async fn get_apub_comment(
pub(crate) async fn get_apub_comment(
info: Path<CommentQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {

51
crates/apub/src/http/community.rs
View file

@ -1,5 +1,6 @@
use crate::{
extensions::context::lemmy_context,
generate_moderators_url,
http::{create_apub_response, create_apub_tombstone_response},
objects::ToApub,
ActorType,
@ -7,23 +8,27 @@ use crate::{
use activitystreams::{
base::{AnyBase, BaseExt},
collection::{CollectionExt, OrderedCollection, UnorderedCollection},
url::Url,
};
use actix_web::{body::Body, web, HttpResponse};
use lemmy_api_structs::blocking;
use lemmy_db_queries::source::{activity::Activity_, community::Community_};
use lemmy_db_schema::source::{activity::Activity, community::Community};
use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
use lemmy_db_views_actor::{
community_follower_view::CommunityFollowerView,
community_moderator_view::CommunityModeratorView,
};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use serde::Deserialize;
#[derive(Deserialize)]
pub struct CommunityQuery {
pub(crate) struct CommunityQuery {
community_name: String,
}
/// Return the ActivityPub json representation of a local community over HTTP.
pub async fn get_apub_community_http(
pub(crate) async fn get_apub_community_http(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -42,7 +47,7 @@ pub async fn get_apub_community_http(
}
/// Returns an empty followers collection, only populating the size (for privacy).
pub async fn get_apub_community_followers(
pub(crate) async fn get_apub_community_followers(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -67,7 +72,7 @@ pub async fn get_apub_community_followers(
/// Returns the community outbox, which is populated by a maximum of 20 posts (but no other
/// activites like votes or comments).
pub async fn get_apub_community_outbox(
pub(crate) async fn get_apub_community_outbox(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -96,7 +101,7 @@ pub async fn get_apub_community_outbox(
Ok(create_apub_response(&collection))
}
pub async fn get_apub_community_inbox(
pub(crate) async fn get_apub_community_inbox(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -107,7 +112,39 @@ pub async fn get_apub_community_inbox(
let mut collection = OrderedCollection::new();
collection
.set_id(format!("{}/inbox", community.actor_id).parse()?)
.set_id(community.inbox_url.into())
.set_many_contexts(lemmy_context()?);
Ok(create_apub_response(&collection))
}
pub(crate) async fn get_apub_community_moderators(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
let community = blocking(context.pool(), move |conn| {
Community::read_from_name(&conn, &info.community_name)
})
.await??;
// The attributed to, is an ordered vector with the creator actor_ids first,
// then the rest of the moderators
// TODO Technically the instance admins can mod the community, but lets
// ignore that for now
let cid = community.id;
let moderators = blocking(context.pool(), move |conn| {
CommunityModeratorView::for_community(&conn, cid)
})
.await??;
let moderators: Vec<Url> = moderators
.into_iter()
.map(|m| m.moderator.actor_id.into_inner())
.collect();
let mut collection = OrderedCollection::new();
collection
.set_id(generate_moderators_url(&community.actor_id)?.into())
.set_total_items(moderators.len() as u64)
.set_many_items(moderators)
.set_many_contexts(lemmy_context()?);
Ok(create_apub_response(&collection))
}

2
crates/apub/src/http/mod.rs
View file

@ -42,7 +42,7 @@ pub struct CommunityQuery {
}
/// Return the ActivityPub json representation of a local community over HTTP.
pub async fn get_activity(
pub(crate) async fn get_activity(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {

4
crates/apub/src/http/post.rs
View file

@ -12,12 +12,12 @@ use lemmy_websocket::LemmyContext;
use serde::Deserialize;
#[derive(Deserialize)]
pub struct PostQuery {
pub(crate) struct PostQuery {
post_id: String,
}
/// Return the ActivityPub json representation of a local post over HTTP.
pub async fn get_apub_post(
pub(crate) async fn get_apub_post(
info: web::Path<PostQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {

10
crates/apub/src/http/user.rs
View file

@ -18,12 +18,12 @@ use serde::Deserialize;
use url::Url;
#[derive(Deserialize)]
pub struct UserQuery {
pub(crate) struct UserQuery {
user_name: String,
}
/// Return the ActivityPub json representation of a local user over HTTP.
pub async fn get_apub_user_http(
pub(crate) async fn get_apub_user_http(
info: web::Path<UserQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -43,7 +43,7 @@ pub async fn get_apub_user_http(
}
}
pub async fn get_apub_user_outbox(
pub(crate) async fn get_apub_user_outbox(
info: web::Path<UserQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -61,7 +61,7 @@ pub async fn get_apub_user_outbox(
Ok(create_apub_response(&collection))
}
pub async fn get_apub_user_inbox(
pub(crate) async fn get_apub_user_inbox(
info: web::Path<UserQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
@ -72,7 +72,7 @@ pub async fn get_apub_user_inbox(
let mut collection = OrderedCollection::new();
collection
.set_id(format!("{}/inbox", user.actor_id.into_inner()).parse()?)
.set_id(user.inbox_url.into())
.set_many_contexts(lemmy_context()?);
Ok(create_apub_response(&collection))
}

4
crates/apub/src/lib.rs
View file

@ -262,6 +262,10 @@ pub fn generate_shared_inbox_url(actor_id: &DbUrl) -> Result<DbUrl, LemmyError>
Ok(Url::parse(&url)?.into())
}
pub(crate) fn generate_moderators_url(community_id: &DbUrl) -> Result<DbUrl, LemmyError> {
Ok(Url::parse(&format!("{}/moderators", community_id))?.into())
}
/// Store a sent or received activity in the database, for logging purposes. These records are not
/// persistent.
pub(crate) async fn insert_activity<T>(

43
crates/apub/src/objects/community.rs
View file

@ -1,6 +1,7 @@
use crate::{
extensions::{context::lemmy_context, group_extensions::GroupExtension},
fetcher::user::get_or_fetch_and_upsert_user,
fetcher::{community::fetch_community_mods, user::get_or_fetch_and_upsert_user},
generate_moderators_url,
objects::{
check_object_domain,
create_tombstone,
@ -42,17 +43,7 @@ use url::Url;
impl ToApub for Community {
type ApubType = GroupExt;
async fn to_apub(&self, pool: &DbPool) -> Result<GroupExt, LemmyError> {
// The attributed to, is an ordered vector with the creator actor_ids first,
// then the rest of the moderators
// TODO Technically the instance admins can mod the community, but lets
// ignore that for now
let id = self.id;
let moderators = blocking(pool, move |conn| {
CommunityModeratorView::for_community(&conn, id)
})
.await??;
async fn to_apub(&self, _pool: &DbPool) -> Result<GroupExt, LemmyError> {
let mut group = ApObject::new(Group::new());
group
.set_many_contexts(lemmy_context()?)
@ -89,14 +80,9 @@ impl ToApub for Community {
..Default::default()
});
let moderators: Vec<Url> = moderators
.into_iter()
.map(|m| m.moderator.actor_id.into_inner())
.collect();
Ok(Ext2::new(
ap_actor,
GroupExtension::new(self.nsfw, moderators)?,
GroupExtension::new(self.nsfw, generate_moderators_url(&self.actor_id)?.into())?,
self.get_public_key_ext()?,
))
}
@ -125,7 +111,7 @@ impl FromApub for Community {
let community: Community =
get_object_from_apub(group, context, expected_domain, request_counter).await?;
let new_moderators = get_community_moderators(group)?;
let new_moderators = fetch_community_mods(context, group, request_counter).await?;
let community_id = community.id;
let current_moderators = blocking(context.pool(), move |conn| {
CommunityModeratorView::for_community(&conn, community_id)
@ -177,7 +163,7 @@ impl FromApubToForm<GroupExt> for CommunityForm {
expected_domain: Url,
request_counter: &mut i32,
) -> Result<Self, LemmyError> {
let moderator_uris = get_community_moderators(group)?;
let moderator_uris = fetch_community_mods(context, group, request_counter).await?;
let creator_uri = moderator_uris.first().context(location_info!())?;
let creator = get_or_fetch_and_upsert_user(creator_uri, context, request_counter).await?;
@ -263,20 +249,3 @@ impl FromApubToForm<GroupExt> for CommunityForm {
})
}
}
fn get_community_moderators(group: &GroupExt) -> Result<Vec<&Url>, LemmyError> {
if let Some(moderators) = &group.ext_one.moderators {
Ok(
moderators
.items()
.map(|i| i.as_many())
.flatten()
.context(location_info!())?
.iter()
.filter_map(|i| i.as_xsd_any_uri())
.collect(),
)
} else {
Ok(vec![])
}
}

5
crates/apub/src/routes.rs
View file

@ -5,6 +5,7 @@ use crate::{
get_apub_community_followers,
get_apub_community_http,
get_apub_community_inbox,
get_apub_community_moderators,
get_apub_community_outbox,
},
get_activity,
@ -53,6 +54,10 @@ pub fn config(cfg: &mut web::ServiceConfig) {
"/c/{community_name}/inbox",
web::get().to(get_apub_community_inbox),
)
.route(
"/c/{community_name}/moderators",
web::get().to(get_apub_community_moderators),
)
.route("/u/{user_name}", web::get().to(get_apub_user_http))
.route("/u/{user_name}/outbox", web::get().to(get_apub_user_outbox))
.route("/u/{user_name}/inbox", web::get().to(get_apub_user_inbox))