]> Untitled Git - lemmy.git/blobdiff - crates/apub/src/objects/community.rs
Implement instance actor (#1798)
[lemmy.git] / crates / apub / src / objects / community.rs
index 89258fe0cee2e861cd008b96adbb179085797614..4a618bf8867a0b02a524df7e063066d6fd486f7f 100644 (file)
@@ -1,40 +1,33 @@
-use std::ops::Deref;
-
-use activitystreams::{
-  actor::{kind::GroupType, Endpoints},
-  object::kind::ImageType,
+use crate::{
+  check_is_apub_id_valid,
+  collections::{community_moderators::ApubCommunityModerators, CommunityContext},
+  generate_moderators_url,
+  generate_outbox_url,
+  objects::instance::fetch_instance_actor_for_object,
+  protocol::{
+    objects::{group::Group, tombstone::Tombstone, Endpoints},
+    ImageObject,
+    Source,
+  },
 };
+use activitystreams_kinds::actor::GroupType;
 use chrono::NaiveDateTime;
 use itertools::Itertools;
-use log::debug;
-use url::Url;
-
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
+  object_id::ObjectId,
   traits::{ActorType, ApubObject},
-  values::MediaTypeMarkdown,
 };
-use lemmy_db_schema::{source::community::Community, DbPool};
+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::{convert_datetime, markdown_to_html},
   LemmyError,
 };
 use lemmy_websocket::LemmyContext;
-
-use crate::{
-  check_is_apub_id_valid,
-  collections::{community_moderators::ApubCommunityModerators, CommunityContext},
-  fetcher::object_id::ObjectId,
-  generate_moderators_url,
-  generate_outbox_url,
-  protocol::{
-    objects::{group::Group, tombstone::Tombstone},
-    ImageObject,
-    Source,
-  },
-};
+use std::ops::Deref;
+use tracing::debug;
+use url::Url;
 
 #[derive(Clone, Debug)]
 pub struct ApubCommunity(Community);
@@ -62,6 +55,7 @@ impl ApubObject for ApubCommunity {
     Some(self.last_refreshed_at)
   }
 
+  #[tracing::instrument(skip_all)]
   async fn read_from_apub_id(
     object_id: Url,
     context: &LemmyContext,
@@ -75,6 +69,7 @@ impl ApubObject for ApubCommunity {
     )
   }
 
+  #[tracing::instrument(skip_all)]
   async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
     blocking(context.pool(), move |conn| {
       Community::update_deleted(conn, self.id, true)
@@ -83,40 +78,27 @@ impl ApubObject for ApubCommunity {
     Ok(())
   }
 
-  async fn to_apub(&self, _context: &LemmyContext) -> 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 {
       kind: GroupType::Group,
-      id: self.actor_id(),
+      id: ObjectId::new(self.actor_id()),
       preferred_username: self.name.clone(),
       name: 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(ObjectId::<ApubCommunityModerators>::new(
-        generate_moderators_url(&self.actor_id)?.into_inner(),
+        generate_moderators_url(&self.actor_id)?,
       )),
       inbox: self.inbox_url.clone().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: Some(convert_datetime(self.published)),
       updated: self.updated.map(convert_datetime),
@@ -126,20 +108,27 @@ impl ApubObject for ApubCommunity {
   }
 
   fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
-    Ok(Tombstone::new(
-      GroupType::Group,
-      self.updated.unwrap_or(self.published),
-    ))
+    Ok(Tombstone::new(self.actor_id()))
+  }
+
+  #[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());
 
     // 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.
@@ -151,34 +140,30 @@ impl ApubObject for ApubCommunity {
 
     group
       .outbox
-      .dereference(&outbox_data, request_counter)
+      .dereference(&outbox_data, context.client(), request_counter)
       .await
       .map_err(|e| debug!("{}", e))
       .ok();
 
     if let Some(moderators) = &group.moderators {
       moderators
-        .dereference(&outbox_data, request_counter)
+        .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)
   }
 }
 
 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> {
+  fn public_key(&self) -> String {
     self.public_key.to_owned()
   }
   fn private_key(&self) -> Option<String> {
@@ -190,31 +175,36 @@ impl ActorType for ApubCommunity {
   }
 
   fn shared_inbox_url(&self) -> Option<Url> {
-    self.shared_inbox_url.clone().map(|s| s.into_inner())
+    self.shared_inbox_url.clone().map(|s| s.into())
   }
 }
 
 impl ApubCommunity {
   /// For a given community, returns the inboxes of all followers.
+  #[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)
@@ -224,12 +214,16 @@ impl ApubCommunity {
 #[cfg(test)]
 pub(crate) mod tests {
   use super::*;
-  use crate::objects::tests::{file_to_json_object, init_context};
-  use lemmy_db_schema::traits::Crud;
+  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");
+    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 =
@@ -237,10 +231,13 @@ pub(crate) mod tests {
 
     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)
+    ApubCommunity::verify(&json, &url, context, &mut request_counter)
+      .await
+      .unwrap();
+    let community = ApubCommunity::from_apub(json, context, &mut request_counter)
       .await
       .unwrap();
-    // this makes two requests to the (intentionally) broken outbox/moderators collections
+    // this makes one requests to the (intentionally broken) outbox collection
     assert_eq!(request_counter, 1);
     community
   }
@@ -248,14 +245,17 @@ pub(crate) mod tests {
   #[actix_rt::test]
   #[serial]
   async fn test_parse_lemmy_community() {
-    let context = init_context();
+    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.public_key.is_some());
     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();
   }
 }