mirror of
https://github.com/LemmyNet/lemmy.git
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107 lines
3.1 KiB
Rust
107 lines
3.1 KiB
Rust
use crate::{
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activities::{
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community::announce::AnnouncableActivities,
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generate_activity_id,
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post::send_websocket_message,
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verify_activity,
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verify_mod_action,
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verify_person_in_community,
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},
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activity_queue::send_to_community_new,
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extensions::context::lemmy_context,
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fetcher::community::get_or_fetch_and_upsert_community,
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objects::{post::Page, FromApub, ToApub},
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ActorType,
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};
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use activitystreams::activity::kind::UpdateType;
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use lemmy_api_common::blocking;
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use lemmy_apub_lib::{values::PublicUrl, verify_urls_match, ActivityCommonFields, ActivityHandler};
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use lemmy_db_queries::Crud;
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use lemmy_db_schema::source::{community::Community, person::Person, post::Post};
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use lemmy_utils::LemmyError;
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use lemmy_websocket::{LemmyContext, UserOperationCrud};
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use url::Url;
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct UpdatePost {
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to: PublicUrl,
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object: Page,
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cc: [Url; 1],
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r#type: UpdateType,
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#[serde(flatten)]
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common: ActivityCommonFields,
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}
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impl UpdatePost {
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pub async fn send(post: &Post, actor: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
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let community_id = post.community_id;
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let community = blocking(context.pool(), move |conn| {
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Community::read(conn, community_id)
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})
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.await??;
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let id = generate_activity_id(UpdateType::Update)?;
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let update = UpdatePost {
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to: PublicUrl::Public,
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object: post.to_apub(context.pool()).await?,
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cc: [community.actor_id()],
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r#type: Default::default(),
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common: ActivityCommonFields {
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context: lemmy_context(),
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id: id.clone(),
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actor: actor.actor_id(),
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unparsed: Default::default(),
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},
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};
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let activity = AnnouncableActivities::UpdatePost(update);
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send_to_community_new(activity, &id, actor, &community, vec![], 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 UpdatePost {
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async fn verify(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let community_id = get_or_fetch_and_upsert_community(&self.cc[0], context, request_counter)
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.await?
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.actor_id();
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let is_mod_action = self.object.is_mod_action(context.pool()).await?;
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verify_activity(self.common())?;
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verify_person_in_community(&self.common.actor, &community_id, context, request_counter).await?;
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if is_mod_action {
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verify_mod_action(&self.common.actor, community_id, context).await?;
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} else {
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verify_urls_match(&self.common.actor, &self.object.attributed_to)?;
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}
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self.object.verify(context, request_counter).await?;
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Ok(())
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}
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async fn receive(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let post = Post::from_apub(
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&self.object,
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context,
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self.common.actor.clone(),
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request_counter,
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// TODO: we already check here if the mod action is valid, can remove that check param
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true,
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)
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.await?;
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send_websocket_message(post.id, UserOperationCrud::EditPost, context).await
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}
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fn common(&self) -> &ActivityCommonFields {
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&self.common
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}
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}
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