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

   1 use crate::{
   2   collections::{
   3     community_moderators::ApubCommunityModerators,
   4     community_outbox::ApubCommunityOutbox,
   5   },
   6   fetcher::object_id::ObjectId,
   7   objects::get_summary_from_string_or_source,
   8   protocol::{ImageObject, Source},
   9 };
  10 use activitystreams::{
  11   actor::{kind::GroupType, Endpoints},
  12   unparsed::Unparsed,
  13 };
  14 use chrono::{DateTime, FixedOffset};
  15 use lemmy_apub_lib::{signatures::PublicKey, verify::verify_domains_match};
  16 use lemmy_db_schema::{naive_now, source::community::CommunityForm};
  17 use lemmy_utils::{
  18   settings::structs::Settings,
  19   utils::{check_slurs, check_slurs_opt},
  20   LemmyError,
  21 };
  22 use serde::{Deserialize, Serialize};
  23 use serde_with::skip_serializing_none;
  24 use url::Url;
  25
  26 #[skip_serializing_none]
  27 #[derive(Clone, Debug, Deserialize, Serialize)]
  28 #[serde(rename_all = "camelCase")]
  29 pub struct Group {
  30   #[serde(rename = "type")]
  31   pub(crate) kind: GroupType,
  32   pub(crate) id: Url,
  33   /// username, set at account creation and can never be changed
  34   pub(crate) preferred_username: String,
  35   /// title (can be changed at any time)
  36   pub(crate) name: String,
  37   pub(crate) summary: Option<String>,
  38   pub(crate) source: Option<Source>,
  39   pub(crate) icon: Option<ImageObject>,
  40   /// banner
  41   pub(crate) image: Option<ImageObject>,
  42   // lemmy extension
  43   pub(crate) sensitive: Option<bool>,
  44   // lemmy extension
  45   pub(crate) moderators: Option<ObjectId<ApubCommunityModerators>>,
  46   pub(crate) inbox: Url,
  47   pub(crate) outbox: ObjectId<ApubCommunityOutbox>,
  48   pub(crate) followers: Url,
  49   pub(crate) endpoints: Endpoints<Url>,
  50   pub(crate) public_key: PublicKey,
  51   pub(crate) published: Option<DateTime<FixedOffset>>,
  52   pub(crate) updated: Option<DateTime<FixedOffset>>,
  53   #[serde(flatten)]
  54   pub(crate) unparsed: Unparsed,
  55 }
  56
  57 impl Group {
  58   pub(crate) async fn from_apub_to_form(
  59     group: &Group,
  60     expected_domain: &Url,
  61     settings: &Settings,
  62   ) -> Result<CommunityForm, LemmyError> {
  63     verify_domains_match(expected_domain, &group.id)?;
  64     let name = group.preferred_username.clone();
  65     let title = group.name.clone();
  66     let description = get_summary_from_string_or_source(&group.summary, &group.source);
  67     let shared_inbox = group.endpoints.shared_inbox.clone().map(|s| s.into());
  68
  69     let slur_regex = &settings.slur_regex();
  70     check_slurs(&name, slur_regex)?;
  71     check_slurs(&title, slur_regex)?;
  72     check_slurs_opt(&description, slur_regex)?;
  73
  74     Ok(CommunityForm {
  75       name,
  76       title,
  77       description,
  78       removed: None,
  79       published: group.published.map(|u| u.naive_local()),
  80       updated: group.updated.map(|u| u.naive_local()),
  81       deleted: None,
  82       nsfw: Some(group.sensitive.unwrap_or(false)),
  83       actor_id: Some(group.id.clone().into()),
  84       local: Some(false),
  85       private_key: None,
  86       public_key: Some(group.public_key.public_key_pem.clone()),
  87       last_refreshed_at: Some(naive_now()),
  88       icon: Some(group.icon.clone().map(|i| i.url.into())),
  89       banner: Some(group.image.clone().map(|i| i.url.into())),
  90       followers_url: Some(group.followers.clone().into()),
  91       inbox_url: Some(group.inbox.clone().into()),
  92       shared_inbox_url: Some(shared_inbox),
  93     })
  94   }
  95 }