use crate::{
- check_is_apub_id_valid,
- context::lemmy_context,
- fetcher::community::{fetch_community_outbox, update_community_mods},
- generate_moderators_url,
- generate_outbox_url,
- objects::{create_tombstone, get_summary_from_string_or_source, ImageObject, Source},
- CommunityType,
+ check_apub_id_valid_with_strictness,
+ fetch_local_site_data,
+ objects::instance::fetch_instance_actor_for_object,
+ protocol::{
+ objects::{group::Group, Endpoints, LanguageTag},
+ ImageObject,
+ Source,
+ },
};
-use activitystreams::{
- actor::{kind::GroupType, Endpoints},
- base::AnyBase,
- chrono::NaiveDateTime,
- object::{kind::ImageType, Tombstone},
- primitives::OneOrMany,
- unparsed::Unparsed,
+use activitypub_federation::{
+ config::Data,
+ kinds::actor::GroupType,
+ traits::{Actor, Object},
};
-use chrono::{DateTime, FixedOffset};
+use chrono::NaiveDateTime;
use itertools::Itertools;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{
- signatures::PublicKey,
- traits::{ActorType, ApubObject, FromApub, ToApub},
- values::MediaTypeMarkdown,
- verify::verify_domains_match,
+use lemmy_api_common::{
+ context::LemmyContext,
+ utils::{generate_featured_url, generate_moderators_url, generate_outbox_url},
};
use lemmy_db_schema::{
- naive_now,
- source::community::{Community, CommunityForm},
- DbPool,
+ source::{
+ actor_language::CommunityLanguage,
+ community::{Community, CommunityUpdateForm},
+ },
+ traits::{ApubActor, Crud},
};
-use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
+use lemmy_db_views_actor::structs::CommunityFollowerView;
use lemmy_utils::{
- settings::structs::Settings,
- utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html},
- LemmyError,
+ error::LemmyError,
+ utils::{markdown::markdown_to_html, time::convert_datetime},
};
-use lemmy_websocket::LemmyContext;
-use log::debug;
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
use std::ops::Deref;
+use tracing::debug;
use url::Url;
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct Group {
- #[serde(rename = "@context")]
- context: OneOrMany<AnyBase>,
- #[serde(rename = "type")]
- kind: GroupType,
- id: Url,
- /// username, set at account creation and can never be changed
- preferred_username: String,
- /// title (can be changed at any time)
- name: String,
- summary: Option<String>,
- source: Option<Source>,
- icon: Option<ImageObject>,
- /// banner
- image: Option<ImageObject>,
- // lemmy extension
- sensitive: Option<bool>,
- // lemmy extension
- pub(crate) moderators: Option<Url>,
- inbox: Url,
- pub(crate) outbox: Url,
- followers: Url,
- endpoints: Endpoints<Url>,
- public_key: PublicKey,
- published: Option<DateTime<FixedOffset>>,
- updated: Option<DateTime<FixedOffset>>,
- #[serde(flatten)]
- unparsed: Unparsed,
-}
-
-impl Group {
- pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> {
- verify_domains_match(&self.id, expected_domain)?;
- Ok(&self.id)
- }
- pub(crate) async fn from_apub_to_form(
- group: &Group,
- expected_domain: &Url,
- settings: &Settings,
- ) -> Result<CommunityForm, LemmyError> {
- let actor_id = Some(group.id(expected_domain)?.clone().into());
- let name = group.preferred_username.clone();
- let title = group.name.clone();
- let description = get_summary_from_string_or_source(&group.summary, &group.source);
- let shared_inbox = group.endpoints.shared_inbox.clone().map(|s| s.into());
-
- let slur_regex = &settings.slur_regex();
- check_slurs(&name, slur_regex)?;
- check_slurs(&title, slur_regex)?;
- check_slurs_opt(&description, slur_regex)?;
-
- Ok(CommunityForm {
- name,
- title,
- description,
- removed: None,
- published: group.published.map(|u| u.naive_local()),
- updated: group.updated.map(|u| u.naive_local()),
- deleted: None,
- nsfw: Some(group.sensitive.unwrap_or(false)),
- actor_id,
- local: Some(false),
- private_key: None,
- public_key: Some(group.public_key.public_key_pem.clone()),
- last_refreshed_at: Some(naive_now()),
- icon: Some(group.icon.clone().map(|i| i.url.into())),
- banner: Some(group.image.clone().map(|i| i.url.into())),
- followers_url: Some(group.followers.clone().into()),
- inbox_url: Some(group.inbox.clone().into()),
- shared_inbox_url: Some(shared_inbox),
- })
- }
-}
-
#[derive(Clone, Debug)]
pub struct ApubCommunity(Community);
impl From<Community> for ApubCommunity {
fn from(c: Community) -> Self {
- ApubCommunity { 0: c }
+ ApubCommunity(c)
}
}
-#[async_trait::async_trait(?Send)]
-impl ApubObject for ApubCommunity {
+#[async_trait::async_trait]
+impl Object for ApubCommunity {
type DataType = LemmyContext;
+ type Kind = Group;
+ type Error = LemmyError;
fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
Some(self.last_refreshed_at)
}
- async fn read_from_apub_id(
+ #[tracing::instrument(skip_all)]
+ async fn read_from_id(
object_id: Url,
- context: &LemmyContext,
+ context: &Data<Self::DataType>,
) -> Result<Option<Self>, LemmyError> {
Ok(
- blocking(context.pool(), move |conn| {
- Community::read_from_apub_id(conn, object_id)
- })
- .await??
- .map(Into::into),
+ Community::read_from_apub_id(context.pool(), &object_id.into())
+ .await?
+ .map(Into::into),
)
}
- async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
- blocking(context.pool(), move |conn| {
- Community::update_deleted(conn, self.id, true)
- })
- .await??;
+ #[tracing::instrument(skip_all)]
+ async fn delete(self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
+ let form = CommunityUpdateForm::builder().deleted(Some(true)).build();
+ Community::update(context.pool(), self.id, &form).await?;
Ok(())
}
-}
-impl ActorType for ApubCommunity {
- fn is_local(&self) -> bool {
- self.local
- }
- fn actor_id(&self) -> Url {
- self.actor_id.to_owned().into()
- }
- fn name(&self) -> String {
- self.name.clone()
- }
- fn public_key(&self) -> Option<String> {
- self.public_key.to_owned()
- }
- fn private_key(&self) -> Option<String> {
- self.private_key.to_owned()
- }
-
- fn inbox_url(&self) -> Url {
- self.inbox_url.clone().into()
- }
-
- fn shared_inbox_url(&self) -> Option<Url> {
- self.shared_inbox_url.clone().map(|s| s.into_inner())
- }
-}
-
-#[async_trait::async_trait(?Send)]
-impl ToApub for ApubCommunity {
- type ApubType = Group;
- type TombstoneType = Tombstone;
- type DataType = DbPool;
-
- async fn to_apub(&self, _pool: &DbPool) -> Result<Group, LemmyError> {
- let source = self.description.clone().map(|bio| Source {
- content: bio,
- media_type: MediaTypeMarkdown::Markdown,
- });
- let icon = self.icon.clone().map(|url| ImageObject {
- kind: ImageType::Image,
- url: url.into(),
- });
- let image = self.banner.clone().map(|url| ImageObject {
- kind: ImageType::Image,
- url: url.into(),
- });
+ #[tracing::instrument(skip_all)]
+ async fn into_json(self, data: &Data<Self::DataType>) -> Result<Group, LemmyError> {
+ let community_id = self.id;
+ let langs = CommunityLanguage::read(data.pool(), community_id).await?;
+ let language = LanguageTag::new_multiple(langs, data.pool()).await?;
let group = Group {
- context: lemmy_context(),
kind: GroupType::Group,
- id: self.actor_id(),
+ id: self.id().into(),
preferred_username: self.name.clone(),
- name: self.title.clone(),
+ name: Some(self.title.clone()),
summary: self.description.as_ref().map(|b| markdown_to_html(b)),
- source,
- icon,
- image,
+ source: self.description.clone().map(Source::new),
+ icon: self.icon.clone().map(ImageObject::new),
+ image: self.banner.clone().map(ImageObject::new),
sensitive: Some(self.nsfw),
- moderators: Some(generate_moderators_url(&self.actor_id)?.into()),
+ featured: Some(generate_featured_url(&self.actor_id)?.into()),
inbox: self.inbox_url.clone().into(),
outbox: generate_outbox_url(&self.actor_id)?.into(),
followers: self.followers_url.clone().into(),
- endpoints: Endpoints {
- shared_inbox: self.shared_inbox_url.clone().map(|s| s.into()),
- ..Default::default()
- },
- public_key: self.get_public_key()?,
+ endpoints: self.shared_inbox_url.clone().map(|s| Endpoints {
+ shared_inbox: s.into(),
+ }),
+ public_key: self.public_key(),
+ language,
published: Some(convert_datetime(self.published)),
updated: self.updated.map(convert_datetime),
- unparsed: Default::default(),
+ posting_restricted_to_mods: Some(self.posting_restricted_to_mods),
+ attributed_to: Some(generate_moderators_url(&self.actor_id)?.into()),
};
Ok(group)
}
- fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
- create_tombstone(
- self.deleted,
- self.actor_id.to_owned().into(),
- self.updated,
- GroupType::Group,
- )
+ #[tracing::instrument(skip_all)]
+ async fn verify(
+ group: &Group,
+ expected_domain: &Url,
+ context: &Data<Self::DataType>,
+ ) -> Result<(), LemmyError> {
+ group.verify(expected_domain, context).await
}
-}
-
-#[async_trait::async_trait(?Send)]
-impl FromApub for ApubCommunity {
- type ApubType = Group;
- type DataType = LemmyContext;
/// Converts a `Group` to `Community`, inserts it into the database and updates moderators.
- async fn from_apub(
- group: &Group,
- context: &LemmyContext,
- expected_domain: &Url,
- request_counter: &mut i32,
+ #[tracing::instrument(skip_all)]
+ async fn from_json(
+ group: Group,
+ context: &Data<Self::DataType>,
) -> Result<ApubCommunity, LemmyError> {
- let form = Group::from_apub_to_form(group, expected_domain, &context.settings()).await?;
+ let instance_id = fetch_instance_actor_for_object(&group.id, context).await?;
+
+ let form = Group::into_insert_form(group.clone(), instance_id);
+ let languages = LanguageTag::to_language_id_multiple(group.language, context.pool()).await?;
+
+ let community = Community::create(context.pool(), &form).await?;
+ CommunityLanguage::update(context.pool(), languages, community.id).await?;
+
+ let community: ApubCommunity = community.into();
// Fetching mods and outbox is not necessary for Lemmy to work, so ignore errors. Besides,
// we need to ignore these errors so that tests can work entirely offline.
- let community = blocking(context.pool(), move |conn| Community::upsert(conn, &form)).await??;
- update_community_mods(group, &community, context, request_counter)
+ group
+ .outbox
+ .dereference(&community, context)
.await
.map_err(|e| debug!("{}", e))
.ok();
- // TODO: doing this unconditionally might cause infinite loop for some reason
- fetch_community_outbox(context, &group.outbox, request_counter)
- .await
- .map_err(|e| debug!("{}", e))
- .ok();
+ if let Some(moderators) = group.attributed_to {
+ moderators
+ .dereference(&community, context)
+ .await
+ .map_err(|e| debug!("{}", e))
+ .ok();
+ }
- Ok(community.into())
+ Ok(community)
}
}
-#[async_trait::async_trait(?Send)]
-impl CommunityType for Community {
- fn followers_url(&self) -> Url {
- self.followers_url.clone().into()
+impl Actor for ApubCommunity {
+ fn id(&self) -> Url {
+ self.actor_id.inner().clone()
+ }
+
+ fn public_key_pem(&self) -> &str {
+ &self.public_key
+ }
+
+ fn private_key_pem(&self) -> Option<String> {
+ self.private_key.clone()
+ }
+
+ fn inbox(&self) -> Url {
+ self.inbox_url.clone().into()
+ }
+
+ fn shared_inbox(&self) -> Option<Url> {
+ self.shared_inbox_url.clone().map(Into::into)
}
+}
+impl ApubCommunity {
/// For a given community, returns the inboxes of all followers.
- async fn get_follower_inboxes(
+ #[tracing::instrument(skip_all)]
+ pub(crate) async fn get_follower_inboxes(
&self,
- pool: &DbPool,
- settings: &Settings,
+ context: &LemmyContext,
) -> Result<Vec<Url>, LemmyError> {
let id = self.id;
- let follows = blocking(pool, move |conn| {
- CommunityFollowerView::for_community(conn, id)
- })
- .await??;
- let inboxes = follows
+ let local_site_data = fetch_local_site_data(context.pool()).await?;
+ let follows = CommunityFollowerView::for_community(context.pool(), id).await?;
+ let inboxes: Vec<Url> = follows
.into_iter()
.filter(|f| !f.follower.local)
- .map(|f| f.follower.shared_inbox_url.unwrap_or(f.follower.inbox_url))
- .map(|i| i.into_inner())
+ .map(|f| {
+ f.follower
+ .shared_inbox_url
+ .unwrap_or(f.follower.inbox_url)
+ .into()
+ })
.unique()
+ .filter(|inbox: &Url| inbox.host_str() != Some(&context.settings().hostname))
// Don't send to blocked instances
- .filter(|inbox| check_is_apub_id_valid(inbox, false, settings).is_ok())
+ .filter(|inbox| {
+ check_apub_id_valid_with_strictness(inbox, false, &local_site_data, context.settings())
+ .is_ok()
+ })
.collect();
Ok(inboxes)
}
#[cfg(test)]
-mod tests {
+pub(crate) mod tests {
use super::*;
- use crate::objects::tests::{file_to_json_object, init_context};
- use assert_json_diff::assert_json_include;
- use lemmy_db_schema::traits::Crud;
+ use crate::{
+ objects::{instance::tests::parse_lemmy_instance, tests::init_context},
+ protocol::tests::file_to_json_object,
+ };
+ use activitypub_federation::fetch::collection_id::CollectionId;
+ use lemmy_db_schema::{source::site::Site, traits::Crud};
use serial_test::serial;
- #[actix_rt::test]
- #[serial]
- async fn test_parse_lemmy_community() {
- let context = init_context();
- let mut json: Group = file_to_json_object("assets/lemmy-community.json");
- let json_orig = json.clone();
+ pub(crate) async fn parse_lemmy_community(context: &Data<LemmyContext>) -> ApubCommunity {
+ // use separate counter so this doesnt affect tests
+ let context2 = context.reset_request_count();
+ let mut json: Group = file_to_json_object("assets/lemmy/objects/group.json").unwrap();
// change these links so they dont fetch over the network
- json.moderators =
- Some(Url::parse("https://enterprise.lemmy.ml/c/tenforward/not_moderators").unwrap());
- json.outbox = Url::parse("https://enterprise.lemmy.ml/c/tenforward/not_outbox").unwrap();
+ json.attributed_to = None;
+ json.outbox =
+ CollectionId::parse("https://enterprise.lemmy.ml/c/tenforward/not_outbox").unwrap();
let url = Url::parse("https://enterprise.lemmy.ml/c/tenforward").unwrap();
- let mut request_counter = 0;
- let community = ApubCommunity::from_apub(&json, &context, &url, &mut request_counter)
- .await
- .unwrap();
+ ApubCommunity::verify(&json, &url, &context2).await.unwrap();
+ let community = ApubCommunity::from_json(json, &context2).await.unwrap();
+ // this makes one requests to the (intentionally broken) outbox collection
+ assert_eq!(context2.request_count(), 1);
+ community
+ }
+
+ #[tokio::test]
+ #[serial]
+ async fn test_parse_lemmy_community() {
+ let context = init_context().await;
+ let site = parse_lemmy_instance(&context).await;
+ let community = parse_lemmy_community(&context).await;
- assert_eq!(community.actor_id.clone().into_inner(), url);
assert_eq!(community.title, "Ten Forward");
- assert!(community.public_key.is_some());
assert!(!community.local);
assert_eq!(community.description.as_ref().unwrap().len(), 132);
- // this makes two requests to the (intentionally) broken outbox/moderators collections
- assert_eq!(request_counter, 2);
-
- let to_apub = community.to_apub(context.pool()).await.unwrap();
- assert_json_include!(actual: json_orig, expected: to_apub);
- Community::delete(&*context.pool().get().unwrap(), community.id).unwrap();
+ Community::delete(context.pool(), community.id)
+ .await
+ .unwrap();
+ Site::delete(context.pool(), site.id).await.unwrap();
}
}