crates/apub/src/protocol/objects/group.rs

   1 use crate::{
   2   check_is_apub_id_valid,
   3   collections::{
   4     community_moderators::ApubCommunityModerators,
   5     community_outbox::ApubCommunityOutbox,
   6   },
   7   objects::{community::ApubCommunity, get_summary_from_string_or_source},
   8   protocol::{objects::Endpoints, ImageObject, Source},
   9 };
  10 use activitystreams_kinds::actor::GroupType;
  11 use chrono::{DateTime, FixedOffset};
  12 use lemmy_apub_lib::{object_id::ObjectId, signatures::PublicKey, verify::verify_domains_match};
  13 use lemmy_db_schema::{naive_now, source::community::CommunityForm};
  14 use lemmy_utils::{
  15   utils::{check_slurs, check_slurs_opt},
  16   LemmyError,
  17 };
  18 use lemmy_websocket::LemmyContext;
  19 use serde::{Deserialize, Serialize};
  20 use serde_with::skip_serializing_none;
  21 use url::Url;
  22
  23 #[skip_serializing_none]
  24 #[derive(Clone, Debug, Deserialize, Serialize)]
  25 #[serde(rename_all = "camelCase")]
  26 pub struct Group {
  27   #[serde(rename = "type")]
  28   pub(crate) kind: GroupType,
  29   pub(crate) id: ObjectId<ApubCommunity>,
  30   /// username, set at account creation and usually fixed after that
  31   pub(crate) preferred_username: String,
  32   /// displayname
  33   pub(crate) name: String,
  34   pub(crate) inbox: Url,
  35   pub(crate) followers: Url,
  36   pub(crate) public_key: PublicKey,
  37
  38   pub(crate) summary: Option<String>,
  39   pub(crate) source: Option<Source>,
  40   pub(crate) icon: Option<ImageObject>,
  41   /// banner
  42   pub(crate) image: Option<ImageObject>,
  43   // lemmy extension
  44   pub(crate) sensitive: Option<bool>,
  45   // lemmy extension
  46   pub(crate) moderators: Option<ObjectId<ApubCommunityModerators>>,
  47   pub(crate) outbox: ObjectId<ApubCommunityOutbox>,
  48   pub(crate) endpoints: Option<Endpoints>,
  49   pub(crate) published: Option<DateTime<FixedOffset>>,
  50   pub(crate) updated: Option<DateTime<FixedOffset>>,
  51 }
  52
  53 impl Group {
  54   pub(crate) async fn verify(
  55     &self,
  56     expected_domain: &Url,
  57     context: &LemmyContext,
  58   ) -> Result<(), LemmyError> {
  59     check_is_apub_id_valid(self.id.inner(), true, &context.settings())?;
  60     verify_domains_match(expected_domain, self.id.inner())?;
  61
  62     let slur_regex = &context.settings().slur_regex();
  63     check_slurs(&self.preferred_username, slur_regex)?;
  64     check_slurs(&self.name, slur_regex)?;
  65     let description = get_summary_from_string_or_source(&self.summary, &self.source);
  66     check_slurs_opt(&description, slur_regex)?;
  67     Ok(())
  68   }
  69
  70   pub(crate) fn into_form(self) -> CommunityForm {
  71     CommunityForm {
  72       name: self.preferred_username,
  73       title: self.name,
  74       description: get_summary_from_string_or_source(&self.summary, &self.source),
  75       removed: None,
  76       published: self.published.map(|u| u.naive_local()),
  77       updated: self.updated.map(|u| u.naive_local()),
  78       deleted: None,
  79       nsfw: Some(self.sensitive.unwrap_or(false)),
  80       actor_id: Some(self.id.into()),
  81       local: Some(false),
  82       private_key: None,
  83       public_key: self.public_key.public_key_pem,
  84       last_refreshed_at: Some(naive_now()),
  85       icon: Some(self.icon.map(|i| i.url.into())),
  86       banner: Some(self.image.map(|i| i.url.into())),
  87       followers_url: Some(self.followers.into()),
  88       inbox_url: Some(self.inbox.into()),
  89       shared_inbox_url: Some(self.endpoints.map(|e| e.shared_inbox.into())),
  90     }
  91   }
  92 }