mirror of
https://github.com/LemmyNet/lemmy.git
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d20d2b9218
* Implement federated user following (fixes #752) * rewrite send_activity_in_community and add docs, remove default for column pending * improve migration * replace null values in db migration
177 lines
5.2 KiB
Rust
177 lines
5.2 KiB
Rust
use crate::{
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activities::{
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check_community_deleted_or_removed,
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community::{announce::GetCommunity, send_activity_in_community},
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create_or_update::get_comment_notif_recipients,
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generate_activity_id,
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verify_is_public,
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verify_person_in_community,
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},
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activity_lists::AnnouncableActivities,
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local_instance,
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mentions::MentionOrValue,
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objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson},
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protocol::activities::{create_or_update::comment::CreateOrUpdateComment, CreateOrUpdateType},
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ActorType,
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};
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use activitypub_federation::{
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core::object_id::ObjectId,
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data::Data,
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traits::{ActivityHandler, Actor, ApubObject},
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utils::verify_domains_match,
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};
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use activitystreams_kinds::public;
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use lemmy_api_common::utils::check_post_deleted_or_removed;
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use lemmy_db_schema::{
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source::{
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comment::{CommentLike, CommentLikeForm},
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community::Community,
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post::Post,
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},
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traits::{Crud, Likeable},
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};
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use lemmy_utils::error::LemmyError;
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use lemmy_websocket::{send::send_comment_ws_message, LemmyContext, UserOperationCrud};
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use url::Url;
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impl CreateOrUpdateComment {
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#[tracing::instrument(skip(comment, actor, kind, context))]
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pub async fn send(
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comment: ApubComment,
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actor: &ApubPerson,
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kind: CreateOrUpdateType,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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// TODO: might be helpful to add a comment method to retrieve community directly
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let post_id = comment.post_id;
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let post = Post::read(context.pool(), post_id).await?;
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let community_id = post.community_id;
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let community: ApubCommunity = Community::read(context.pool(), community_id).await?.into();
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let id = generate_activity_id(
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kind.clone(),
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&context.settings().get_protocol_and_hostname(),
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)?;
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let note = comment.into_apub(context).await?;
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let create_or_update = CreateOrUpdateComment {
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actor: ObjectId::new(actor.actor_id()),
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to: vec![public()],
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cc: note.cc.clone(),
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tag: note.tag.clone(),
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object: note,
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kind,
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id: id.clone(),
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};
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let tagged_users: Vec<ObjectId<ApubPerson>> = create_or_update
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.tag
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.iter()
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.filter_map(|t| {
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if let MentionOrValue::Mention(t) = t {
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Some(t)
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} else {
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None
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}
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})
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.map(|t| t.href.clone())
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.map(ObjectId::new)
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.collect();
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let mut inboxes = vec![];
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for t in tagged_users {
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let person = t
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.dereference(context, local_instance(context).await, request_counter)
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.await?;
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inboxes.push(person.shared_inbox_or_inbox());
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}
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let activity = AnnouncableActivities::CreateOrUpdateComment(create_or_update);
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send_activity_in_community(activity, actor, &community, inboxes, false, context).await
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}
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}
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#[async_trait::async_trait(?Send)]
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impl ActivityHandler for CreateOrUpdateComment {
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type DataType = LemmyContext;
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type Error = LemmyError;
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fn id(&self) -> &Url {
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&self.id
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}
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fn actor(&self) -> &Url {
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self.actor.inner()
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}
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#[tracing::instrument(skip_all)]
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async fn verify(
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&self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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verify_is_public(&self.to, &self.cc)?;
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let post = self.object.get_parents(context, request_counter).await?.0;
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let community = self.get_community(context, request_counter).await?;
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verify_person_in_community(&self.actor, &community, context, request_counter).await?;
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verify_domains_match(self.actor.inner(), self.object.id.inner())?;
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check_community_deleted_or_removed(&community)?;
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check_post_deleted_or_removed(&post)?;
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ApubComment::verify(&self.object, self.actor.inner(), context, request_counter).await?;
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Ok(())
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}
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#[tracing::instrument(skip_all)]
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async fn receive(
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self,
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context: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let comment = ApubComment::from_apub(self.object, context, request_counter).await?;
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// author likes their own comment by default
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let like_form = CommentLikeForm {
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comment_id: comment.id,
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post_id: comment.post_id,
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person_id: comment.creator_id,
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score: 1,
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};
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CommentLike::like(context.pool(), &like_form).await?;
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let do_send_email = self.kind == CreateOrUpdateType::Create;
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let recipients = get_comment_notif_recipients(
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&self.actor,
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&comment,
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do_send_email,
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context,
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request_counter,
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)
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.await?;
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let notif_type = match self.kind {
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CreateOrUpdateType::Create => UserOperationCrud::CreateComment,
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CreateOrUpdateType::Update => UserOperationCrud::EditComment,
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};
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send_comment_ws_message(
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comment.id, notif_type, None, None, None, recipients, context,
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)
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.await?;
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Ok(())
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}
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}
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#[async_trait::async_trait(?Send)]
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impl GetCommunity for CreateOrUpdateComment {
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#[tracing::instrument(skip_all)]
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async fn get_community(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<ApubCommunity, LemmyError> {
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let post = self.object.get_parents(context, request_counter).await?.0;
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let community = Community::read(context.pool(), post.community_id).await?;
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Ok(community.into())
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}
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}
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