use crate::{
check_is_apub_id_valid,
- context::lemmy_context,
- fetcher::community::{fetch_community_outbox, update_community_mods},
+ collections::{community_moderators::ApubCommunityModerators, CommunityContext},
generate_moderators_url,
generate_outbox_url,
- objects::{create_tombstone, ImageObject, Source},
- CommunityType,
+ objects::instance::fetch_instance_actor_for_object,
+ protocol::{
+ objects::{group::Group, tombstone::Tombstone, Endpoints},
+ ImageObject,
+ Source,
+ },
};
-use activitystreams::{
- actor::{kind::GroupType, Endpoints},
- base::AnyBase,
- chrono::NaiveDateTime,
- object::{kind::ImageType, Tombstone},
- primitives::OneOrMany,
- unparsed::Unparsed,
-};
-use chrono::{DateTime, FixedOffset};
+use activitystreams_kinds::actor::GroupType;
+use chrono::NaiveDateTime;
use itertools::Itertools;
use lemmy_api_common::blocking;
use lemmy_apub_lib::{
- signatures::PublicKey,
- traits::{ActorType, ApubObject, FromApub, ToApub},
- values::{MediaTypeHtml, MediaTypeMarkdown},
- verify::verify_domains_match,
-};
-use lemmy_db_schema::{
- naive_now,
- source::community::{Community, CommunityForm},
- DbPool,
+ object_id::ObjectId,
+ traits::{ActorType, ApubObject},
};
+use lemmy_db_schema::{source::community::Community, traits::ApubActor};
use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
use lemmy_utils::{
- settings::structs::Settings,
- utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html},
+ utils::{convert_datetime, markdown_to_html},
LemmyError,
};
use lemmy_websocket::LemmyContext;
-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,
- content: Option<String>,
- media_type: Option<MediaTypeHtml>,
- 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: 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 = group.source.clone().map(|s| s.content);
- 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: Some(group.published.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);
#[async_trait::async_trait(?Send)]
impl ApubObject for ApubCommunity {
type DataType = LemmyContext;
+ type ApubType = Group;
+ type TombstoneType = Tombstone;
fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
Some(self.last_refreshed_at)
}
+ #[tracing::instrument(skip_all)]
async fn read_from_apub_id(
object_id: Url,
context: &LemmyContext,
)
}
+ #[tracing::instrument(skip_all)]
async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
blocking(context.pool(), move |conn| {
Community::update_deleted(conn, self.id, true)
.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_apub(self, _context: &LemmyContext) -> Result<Group, LemmyError> {
let group = Group {
- context: lemmy_context(),
kind: GroupType::Group,
- id: self.actor_id(),
+ id: ObjectId::new(self.actor_id()),
preferred_username: self.name.clone(),
name: self.title.clone(),
- content: self.description.as_ref().map(|b| markdown_to_html(b)),
- media_type: self.description.as_ref().map(|_| MediaTypeHtml::Html),
- source,
- icon,
- image,
+ summary: self.description.as_ref().map(|b| markdown_to_html(b)),
+ 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()),
+ moderators: Some(ObjectId::<ApubCommunityModerators>::new(
+ generate_moderators_url(&self.actor_id)?,
+ )),
inbox: self.inbox_url.clone().into(),
- outbox: generate_outbox_url(&self.actor_id)?.into(),
+ outbox: ObjectId::new(generate_outbox_url(&self.actor_id)?),
followers: self.followers_url.clone().into(),
- endpoints: Endpoints {
- shared_inbox: self.shared_inbox_url.clone().map(|s| s.into()),
- ..Default::default()
- },
+ endpoints: self.shared_inbox_url.clone().map(|s| Endpoints {
+ shared_inbox: s.into(),
+ }),
public_key: self.get_public_key()?,
- published: convert_datetime(self.published),
+ published: Some(convert_datetime(self.published)),
updated: self.updated.map(convert_datetime),
unparsed: Default::default(),
};
}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
- create_tombstone(
- self.deleted,
- self.actor_id.to_owned().into(),
- self.updated,
- GroupType::Group,
- )
+ Ok(Tombstone::new(self.actor_id()))
}
-}
-#[async_trait::async_trait(?Send)]
-impl FromApub for ApubCommunity {
- type ApubType = Group;
- type DataType = LemmyContext;
+ #[tracing::instrument(skip_all)]
+ async fn verify(
+ group: &Group,
+ expected_domain: &Url,
+ context: &LemmyContext,
+ _request_counter: &mut i32,
+ ) -> Result<(), LemmyError> {
+ group.verify(expected_domain, context).await
+ }
/// Converts a `Group` to `Community`, inserts it into the database and updates moderators.
+ #[tracing::instrument(skip_all)]
async fn from_apub(
- group: &Group,
+ group: Group,
context: &LemmyContext,
- expected_domain: &Url,
request_counter: &mut i32,
) -> Result<ApubCommunity, LemmyError> {
- let form = Group::from_apub_to_form(group, expected_domain, &context.settings()).await?;
+ let form = Group::into_form(group.clone());
- let community = blocking(context.pool(), move |conn| Community::upsert(conn, &form)).await??;
- update_community_mods(group, &community, context, request_counter).await?;
+ // 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: ApubCommunity =
+ blocking(context.pool(), move |conn| Community::upsert(conn, &form))
+ .await??
+ .into();
+ let outbox_data = CommunityContext(community.clone(), context.clone());
- // TODO: doing this unconditionally might cause infinite loop for some reason
- fetch_community_outbox(context, &group.outbox, request_counter).await?;
+ group
+ .outbox
+ .dereference(&outbox_data, context.client(), request_counter)
+ .await
+ .map_err(|e| debug!("{}", e))
+ .ok();
- Ok(community.into())
+ if let Some(moderators) = &group.moderators {
+ moderators
+ .dereference(&outbox_data, context.client(), request_counter)
+ .await
+ .map_err(|e| debug!("{}", e))
+ .ok();
+ }
+
+ fetch_instance_actor_for_object(community.actor_id(), context, request_counter).await;
+
+ Ok(community)
}
}
-#[async_trait::async_trait(?Send)]
-impl CommunityType for Community {
- fn followers_url(&self) -> Url {
- self.followers_url.clone().into()
+impl ActorType for ApubCommunity {
+ fn actor_id(&self) -> Url {
+ self.actor_id.to_owned().into()
+ }
+ fn public_key(&self) -> 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())
+ }
+}
+
+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| {
+ let follows = blocking(context.pool(), move |conn| {
CommunityFollowerView::for_community(conn, id)
})
.await??;
- let inboxes = follows
+ 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_is_apub_id_valid(inbox, false, &context.settings()).is_ok())
.collect();
Ok(inboxes)
}
}
+
+#[cfg(test)]
+pub(crate) mod tests {
+ use super::*;
+ use crate::objects::{
+ instance::tests::parse_lemmy_instance,
+ tests::{file_to_json_object, init_context},
+ };
+ use lemmy_apub_lib::activity_queue::create_activity_queue;
+ use lemmy_db_schema::{source::site::Site, traits::Crud};
+ use serial_test::serial;
+
+ pub(crate) async fn parse_lemmy_community(context: &LemmyContext) -> ApubCommunity {
+ 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 = None;
+ json.outbox =
+ ObjectId::new(Url::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;
+ ApubCommunity::verify(&json, &url, context, &mut request_counter)
+ .await
+ .unwrap();
+ let community = ApubCommunity::from_apub(json, context, &mut request_counter)
+ .await
+ .unwrap();
+ // this makes one requests to the (intentionally broken) outbox collection
+ assert_eq!(request_counter, 1);
+ community
+ }
+
+ #[actix_rt::test]
+ #[serial]
+ async fn test_parse_lemmy_community() {
+ let client = reqwest::Client::new().into();
+ let manager = create_activity_queue(client);
+ let context = init_context(manager.queue_handle().clone());
+ let site = parse_lemmy_instance(&context).await;
+ let community = parse_lemmy_community(&context).await;
+
+ assert_eq!(community.title, "Ten Forward");
+ assert!(!community.local);
+ assert_eq!(community.description.as_ref().unwrap().len(), 132);
+
+ Community::delete(&*context.pool().get().unwrap(), community.id).unwrap();
+ Site::delete(&*context.pool().get().unwrap(), site.id).unwrap();
+ }
+}
projects / lemmy.git / blobdiff