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::{actor::kind::GroupType, unparsed::Unparsed};
  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 can never be changed
  31   pub(crate) preferred_username: String,
  32   /// title (can be changed at any time)
  33   pub(crate) name: String,
  34   pub(crate) summary: Option<String>,
  35   pub(crate) source: Option<Source>,
  36   pub(crate) icon: Option<ImageObject>,
  37   /// banner
  38   pub(crate) image: Option<ImageObject>,
  39   // lemmy extension
  40   pub(crate) sensitive: Option<bool>,
  41   // lemmy extension
  42   pub(crate) moderators: Option<ObjectId<ApubCommunityModerators>>,
  43   pub(crate) inbox: Url,
  44   pub(crate) outbox: ObjectId<ApubCommunityOutbox>,
  45   pub(crate) followers: Url,
  46   pub(crate) endpoints: Endpoints,
  47   pub(crate) public_key: PublicKey,
  48   pub(crate) published: Option<DateTime<FixedOffset>>,
  49   pub(crate) updated: Option<DateTime<FixedOffset>>,
  50   #[serde(flatten)]
  51   pub(crate) unparsed: Unparsed,
  52 }
  53
  54 impl Group {
  55   pub(crate) async fn verify(
  56     &self,
  57     expected_domain: &Url,
  58     context: &LemmyContext,
  59   ) -> Result<(), LemmyError> {
  60     check_is_apub_id_valid(self.id.inner(), true, &context.settings())?;
  61     verify_domains_match(expected_domain, self.id.inner())?;
  62
  63     let slur_regex = &context.settings().slur_regex();
  64     check_slurs(&self.preferred_username, slur_regex)?;
  65     check_slurs(&self.name, slur_regex)?;
  66     let description = get_summary_from_string_or_source(&self.summary, &self.source);
  67     check_slurs_opt(&description, slur_regex)?;
  68     Ok(())
  69   }
  70
  71   pub(crate) fn into_form(self) -> CommunityForm {
  72     CommunityForm {
  73       name: self.preferred_username,
  74       title: self.name,
  75       description: get_summary_from_string_or_source(&self.summary, &self.source),
  76       removed: None,
  77       published: self.published.map(|u| u.naive_local()),
  78       updated: self.updated.map(|u| u.naive_local()),
  79       deleted: None,
  80       nsfw: Some(self.sensitive.unwrap_or(false)),
  81       actor_id: Some(self.id.into()),
  82       local: Some(false),
  83       private_key: None,
  84       public_key: Some(self.public_key.public_key_pem),
  85       last_refreshed_at: Some(naive_now()),
  86       icon: Some(self.icon.map(|i| i.url.into())),
  87       banner: Some(self.image.map(|i| i.url.into())),
  88       followers_url: Some(self.followers.into()),
  89       inbox_url: Some(self.inbox.into()),
  90       shared_inbox_url: Some(self.endpoints.shared_inbox.map(|s| s.into())),
  91     }
  92   }
  93 }