115 lines
3.6 KiB
Rust
115 lines
3.6 KiB
Rust
use crate::{
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activities::{
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community::{announce::GetCommunity, get_community_from_moderators_url, send_to_community},
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generate_activity_id,
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verify_activity,
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verify_add_remove_moderator_target,
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verify_is_public,
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verify_mod_action,
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verify_person_in_community,
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},
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activity_lists::AnnouncableActivities,
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generate_moderators_url,
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objects::{community::ApubCommunity, person::ApubPerson},
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protocol::activities::community::add_mod::AddMod,
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};
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use activitystreams::{activity::kind::AddType, public};
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use lemmy_api_common::blocking;
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use lemmy_apub_lib::{
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data::Data,
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object_id::ObjectId,
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traits::{ActivityHandler, ActorType},
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};
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use lemmy_db_schema::{
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source::community::{CommunityModerator, CommunityModeratorForm},
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traits::Joinable,
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};
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use lemmy_utils::LemmyError;
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use lemmy_websocket::LemmyContext;
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impl AddMod {
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pub async fn send(
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community: &ApubCommunity,
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added_mod: &ApubPerson,
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actor: &ApubPerson,
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context: &LemmyContext,
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) -> Result<(), LemmyError> {
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let id = generate_activity_id(
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AddType::Add,
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&context.settings().get_protocol_and_hostname(),
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)?;
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let add = AddMod {
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actor: ObjectId::new(actor.actor_id()),
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to: vec![public()],
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object: ObjectId::new(added_mod.actor_id()),
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target: generate_moderators_url(&community.actor_id)?.into(),
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cc: vec![community.actor_id()],
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kind: AddType::Add,
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id: id.clone(),
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unparsed: Default::default(),
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};
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let activity = AnnouncableActivities::AddMod(add);
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let inboxes = vec![added_mod.shared_inbox_or_inbox_url()];
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send_to_community(activity, &id, actor, community, inboxes, 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 AddMod {
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type DataType = LemmyContext;
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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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verify_activity(&self.id, self.actor.inner(), &context.settings())?;
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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_mod_action(&self.actor, &community, context, request_counter).await?;
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verify_add_remove_moderator_target(&self.target, &community)?;
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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: &Data<LemmyContext>,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let community = self.get_community(context, request_counter).await?;
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let new_mod = self.object.dereference(context, request_counter).await?;
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// If we had to refetch the community while parsing the activity, then the new mod has already
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// been added. Skip it here as it would result in a duplicate key error.
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let new_mod_id = new_mod.id;
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let moderated_communities = blocking(context.pool(), move |conn| {
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CommunityModerator::get_person_moderated_communities(conn, new_mod_id)
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})
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.await??;
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if !moderated_communities.contains(&community.id) {
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let form = CommunityModeratorForm {
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community_id: community.id,
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person_id: new_mod.id,
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};
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blocking(context.pool(), move |conn| {
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CommunityModerator::join(conn, &form)
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})
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.await??;
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}
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// TODO: send websocket notification about added mod
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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 AddMod {
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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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get_community_from_moderators_url(&self.target, context, request_counter).await
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}
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}
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