use crate::{
- check_community_or_site_ban,
check_is_apub_id_valid,
- fetcher::object_id::ObjectId,
+ context::WithContext,
generate_moderators_url,
+ insert_activity,
+ objects::{community::ApubCommunity, person::ApubPerson},
};
-use anyhow::anyhow;
+use activitystreams_kinds::public;
use lemmy_api_common::blocking;
-use lemmy_apub_lib::{traits::ActivityFields, verify::verify_domains_match};
-use lemmy_db_schema::source::{community::Community, person::Person};
-use lemmy_db_views_actor::community_view::CommunityView;
+use lemmy_apub_lib::{
+ activity_queue::send_activity,
+ object_id::ObjectId,
+ traits::ActorType,
+ verify::verify_domains_match,
+};
+use lemmy_db_schema::source::community::Community;
+use lemmy_db_views_actor::{
+ community_person_ban_view::CommunityPersonBanView,
+ community_view::CommunityView,
+};
use lemmy_utils::{settings::structs::Settings, LemmyError};
use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use strum_macros::ToString;
+use serde::Serialize;
+use tracing::info;
use url::{ParseError, Url};
use uuid::Uuid;
+pub mod block;
pub mod comment;
pub mod community;
pub mod deletion;
pub mod following;
pub mod post;
pub mod private_message;
-pub mod undo_remove;
pub mod voting;
-#[derive(Clone, Debug, ToString, Deserialize, Serialize)]
-pub enum CreateOrUpdateType {
- Create,
- Update,
-}
-
/// Checks that the specified Url actually identifies a Person (by fetching it), and that the person
/// doesn't have a site ban.
+#[tracing::instrument(skip_all)]
async fn verify_person(
- person_id: &ObjectId<Person>,
+ person_id: &ObjectId<ApubPerson>,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- let person = person_id.dereference(context, request_counter).await?;
+ let person = person_id
+ .dereference(context, context.client(), request_counter)
+ .await?;
if person.banned {
- return Err(anyhow!("Person {} is banned", person_id).into());
+ let error = LemmyError::from(anyhow::anyhow!("Person {} is banned", person_id));
+ return Err(error.with_message("banned"));
}
Ok(())
}
-pub(crate) async fn extract_community(
- cc: &[Url],
- context: &LemmyContext,
- request_counter: &mut i32,
-) -> Result<Community, LemmyError> {
- let mut cc_iter = cc.iter();
- loop {
- if let Some(cid) = cc_iter.next() {
- let cid = ObjectId::new(cid.clone());
- if let Ok(c) = cid.dereference(context, request_counter).await {
- break Ok(c);
- }
- } else {
- return Err(anyhow!("No community found in cc").into());
- }
- }
-}
-
/// Fetches the person and community to verify their type, then checks if person is banned from site
/// or community.
+#[tracing::instrument(skip_all)]
pub(crate) async fn verify_person_in_community(
- person_id: &ObjectId<Person>,
- community_id: &ObjectId<Community>,
+ person_id: &ObjectId<ApubPerson>,
+ community: &ApubCommunity,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- let community = community_id.dereference(context, request_counter).await?;
- let person = person_id.dereference(context, request_counter).await?;
- check_community_or_site_ban(&person, community.id, context.pool()).await
-}
+ let person = person_id
+ .dereference(context, context.client(), request_counter)
+ .await?;
+ if person.banned {
+ return Err(LemmyError::from_message("Person is banned from site"));
+ }
+ let person_id = person.id;
+ let community_id = community.id;
+ let is_banned =
+ move |conn: &'_ _| CommunityPersonBanView::get(conn, person_id, community_id).is_ok();
+ if blocking(context.pool(), is_banned).await? {
+ return Err(LemmyError::from_message("Person is banned from community"));
+ }
-/// Simply check that the url actually refers to a valid group.
-async fn verify_community(
- community_id: &ObjectId<Community>,
- context: &LemmyContext,
- request_counter: &mut i32,
-) -> Result<(), LemmyError> {
- community_id.dereference(context, request_counter).await?;
Ok(())
}
-fn verify_activity(activity: &dyn ActivityFields, settings: &Settings) -> Result<(), LemmyError> {
- check_is_apub_id_valid(activity.actor(), false, settings)?;
- verify_domains_match(activity.id_unchecked(), activity.actor())?;
+fn verify_activity(id: &Url, actor: &Url, settings: &Settings) -> Result<(), LemmyError> {
+ check_is_apub_id_valid(actor, false, settings)?;
+ verify_domains_match(id, actor)?;
Ok(())
}
/// Verify that the actor is a community mod. This check is only run if the community is local,
/// because in case of remote communities, admins can also perform mod actions. As admin status
/// is not federated, we cant verify their actions remotely.
+#[tracing::instrument(skip_all)]
pub(crate) async fn verify_mod_action(
- actor_id: &ObjectId<Person>,
- community_id: ObjectId<Community>,
+ actor_id: &ObjectId<ApubPerson>,
+ community: &ApubCommunity,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- let community = community_id.dereference_local(context).await?;
-
if community.local {
- let actor = actor_id.dereference(context, request_counter).await?;
+ let actor = actor_id
+ .dereference(context, context.client(), request_counter)
+ .await?;
// Note: this will also return true for admins in addition to mods, but as we dont know about
// remote admins, it doesnt make any difference.
})
.await?;
if !is_mod_or_admin {
- return Err(anyhow!("Not a mod").into());
+ return Err(LemmyError::from_message("Not a mod"));
}
}
Ok(())
/// /c/community/moderators. Any different values are unsupported.
fn verify_add_remove_moderator_target(
target: &Url,
- community: &ObjectId<Community>,
+ community: &ApubCommunity,
) -> Result<(), LemmyError> {
- if target != &generate_moderators_url(&community.clone().into())?.into_inner() {
- return Err(anyhow!("Unkown target url").into());
+ if target != &generate_moderators_url(&community.actor_id)?.into() {
+ return Err(LemmyError::from_message("Unkown target url"));
+ }
+ Ok(())
+}
+
+pub(crate) fn verify_is_public(to: &[Url], cc: &[Url]) -> Result<(), LemmyError> {
+ if ![to, cc].iter().any(|set| set.contains(&public())) {
+ return Err(LemmyError::from_message("Object is not public"));
}
Ok(())
}
pub(crate) fn check_community_deleted_or_removed(community: &Community) -> Result<(), LemmyError> {
if community.deleted || community.removed {
- Err(anyhow!("New post or comment cannot be created in deleted or removed community").into())
+ Err(LemmyError::from_message(
+ "New post or comment cannot be created in deleted or removed community",
+ ))
} else {
Ok(())
}
);
Url::parse(&id)
}
+
+#[tracing::instrument(skip_all)]
+async fn send_lemmy_activity<T: Serialize>(
+ context: &LemmyContext,
+ activity: &T,
+ activity_id: &Url,
+ actor: &dyn ActorType,
+ inboxes: Vec<Url>,
+ sensitive: bool,
+) -> Result<(), LemmyError> {
+ if !context.settings().federation.enabled || inboxes.is_empty() {
+ return Ok(());
+ }
+ let activity = WithContext::new(activity);
+
+ info!("Sending activity {}", activity_id.to_string());
+
+ // Don't send anything to ourselves
+ // TODO: this should be a debug assert
+ let hostname = context.settings().get_hostname_without_port()?;
+ let inboxes: Vec<&Url> = inboxes
+ .iter()
+ .filter(|i| i.domain().expect("valid inbox url") != hostname)
+ .collect();
+
+ let serialised_activity = serde_json::to_string(&activity)?;
+
+ let object_value = serde_json::to_value(&activity)?;
+ insert_activity(activity_id, object_value, true, sensitive, context.pool()).await?;
+
+ send_activity(
+ activity_id,
+ actor,
+ inboxes,
+ serialised_activity,
+ context.client(),
+ context.activity_queue(),
+ )
+ .await
+}