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   fetcher::object_id::ObjectId,
   8   objects::{community::ApubCommunity, get_summary_from_string_or_source},
   9   protocol::{ImageObject, Source},
  10 };
  11 use activitystreams::{
  12   actor::{kind::GroupType, Endpoints},
  13   unparsed::Unparsed,
  14 };
  15 use chrono::{DateTime, FixedOffset};
  16 use lemmy_apub_lib::{signatures::PublicKey, verify::verify_domains_match};
  17 use lemmy_db_schema::{naive_now, source::community::CommunityForm};
  18 use lemmy_utils::{
  19   settings::structs::Settings,
  20   utils::{check_slurs, check_slurs_opt},
  21   LemmyError,
  22 };
  23 use serde::{Deserialize, Serialize};
  24 use serde_with::skip_serializing_none;
  25 use url::Url;
  26
  27 #[skip_serializing_none]
  28 #[derive(Clone, Debug, Deserialize, Serialize)]
  29 #[serde(rename_all = "camelCase")]
  30 pub struct Group {
  31   #[serde(rename = "type")]
  32   pub(crate) kind: GroupType,
  33   pub(crate) id: ObjectId<ApubCommunity>,
  34   /// username, set at account creation and can never be changed
  35   pub(crate) preferred_username: String,
  36   /// title (can be changed at any time)
  37   pub(crate) name: String,
  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) inbox: Url,
  48   pub(crate) outbox: ObjectId<ApubCommunityOutbox>,
  49   pub(crate) followers: Url,
  50   pub(crate) endpoints: Endpoints<Url>,
  51   pub(crate) public_key: PublicKey,
  52   pub(crate) published: Option<DateTime<FixedOffset>>,
  53   pub(crate) updated: Option<DateTime<FixedOffset>>,
  54   #[serde(flatten)]
  55   pub(crate) unparsed: Unparsed,
  56 }
  57
  58 impl Group {
  59   pub(crate) async fn from_apub_to_form(
  60     group: &Group,
  61     expected_domain: &Url,
  62     settings: &Settings,
  63   ) -> Result<CommunityForm, LemmyError> {
  64     check_is_apub_id_valid(group.id.inner(), true, settings)?;
  65     verify_domains_match(expected_domain, group.id.inner())?;
  66     let name = group.preferred_username.clone();
  67     let title = group.name.clone();
  68     let description = get_summary_from_string_or_source(&group.summary, &group.source);
  69     let shared_inbox = group.endpoints.shared_inbox.clone().map(|s| s.into());
  70
  71     let slur_regex = &settings.slur_regex();
  72     check_slurs(&name, slur_regex)?;
  73     check_slurs(&title, slur_regex)?;
  74     check_slurs_opt(&description, slur_regex)?;
  75
  76     Ok(CommunityForm {
  77       name,
  78       title,
  79       description,
  80       removed: None,
  81       published: group.published.map(|u| u.naive_local()),
  82       updated: group.updated.map(|u| u.naive_local()),
  83       deleted: None,
  84       nsfw: Some(group.sensitive.unwrap_or(false)),
  85       actor_id: Some(group.id.clone().into()),
  86       local: Some(false),
  87       private_key: None,
  88       public_key: Some(group.public_key.public_key_pem.clone()),
  89       last_refreshed_at: Some(naive_now()),
  90       icon: Some(group.icon.clone().map(|i| i.url.into())),
  91       banner: Some(group.image.clone().map(|i| i.url.into())),
  92       followers_url: Some(group.followers.clone().into()),
  93       inbox_url: Some(group.inbox.clone().into()),
  94       shared_inbox_url: Some(shared_inbox),
  95     })
  96   }
  97 }