mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-10-01 01:36:12 -04:00
127 lines
4.1 KiB
Rust
127 lines
4.1 KiB
Rust
use crate::{
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activities::{
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comment::send_websocket_message as send_comment_message,
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community::send_websocket_message as send_community_message,
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deletion::delete::DeletePostCommentOrCommunity,
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post::send_websocket_message as send_post_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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fetcher::{
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community::get_or_fetch_and_upsert_community,
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objects::get_or_fetch_and_insert_post_or_comment,
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person::get_or_fetch_and_upsert_person,
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},
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CommunityType,
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PostOrComment,
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};
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use activitystreams::activity::kind::UndoType;
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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::source::{comment::Comment_, community::Community_, post::Post_};
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use lemmy_db_schema::source::{comment::Comment, community::Community, 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 UndoDeletePostCommentOrCommunity {
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to: PublicUrl,
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object: DeletePostCommentOrCommunity,
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cc: [Url; 1],
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#[serde(rename = "type")]
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kind: UndoType,
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#[serde(flatten)]
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common: ActivityCommonFields,
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}
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#[async_trait::async_trait(?Send)]
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impl ActivityHandler for UndoDeletePostCommentOrCommunity {
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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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verify_activity(self.common())?;
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self.object.verify(context, request_counter).await?;
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let object_community =
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get_or_fetch_and_upsert_community(&self.object.object, context, request_counter).await;
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// restoring a community
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if object_community.is_ok() {
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verify_mod_action(&self.common.actor, self.object.object.clone(), context).await?;
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}
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// restoring a post or comment
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else {
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verify_person_in_community(&self.common().actor, &self.cc[0], context, request_counter)
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.await?;
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verify_urls_match(&self.common.actor, &self.object.common().actor)?;
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}
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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 object_community =
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get_or_fetch_and_upsert_community(&self.object.object, context, request_counter).await;
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// restoring a community
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if let Ok(community) = object_community {
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if community.local {
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// repeat these checks just to be sure
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verify_person_in_community(&self.common().actor, &self.cc[0], context, request_counter)
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.await?;
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verify_mod_action(&self.common.actor, self.object.object.clone(), context).await?;
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let mod_ =
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get_or_fetch_and_upsert_person(&self.common.actor, context, request_counter).await?;
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community.send_undo_delete(mod_, context).await?;
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}
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let deleted_community = blocking(context.pool(), move |conn| {
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Community::update_deleted(conn, community.id, false)
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})
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.await??;
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send_community_message(
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deleted_community.id,
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UserOperationCrud::EditCommunity,
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context,
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)
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.await
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}
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// restoring a post or comment
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else {
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match get_or_fetch_and_insert_post_or_comment(&self.object.object, context, request_counter)
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.await?
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{
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PostOrComment::Post(post) => {
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let deleted_post = blocking(context.pool(), move |conn| {
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Post::update_deleted(conn, post.id, false)
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})
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.await??;
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send_post_message(deleted_post.id, UserOperationCrud::EditPost, context).await
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}
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PostOrComment::Comment(comment) => {
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let deleted_comment = blocking(context.pool(), move |conn| {
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Comment::update_deleted(conn, comment.id, false)
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})
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.await??;
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send_comment_message(
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deleted_comment.id,
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vec![],
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UserOperationCrud::EditComment,
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context,
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)
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.await
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}
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}
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}
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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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