2 check_apub_id_valid_with_strictness,
5 objects::read_from_string_or_source_opt,
7 objects::{instance::Instance, LanguageTag},
13 use activitypub_federation::{
14 core::object_id::ObjectId,
15 deser::values::MediaTypeHtml,
16 traits::{Actor, ApubObject},
17 utils::verify_domains_match,
19 use activitystreams_kinds::actor::ApplicationType;
20 use chrono::NaiveDateTime;
21 use lemmy_api_common::{context::LemmyContext, utils::local_site_opt_to_slur_regex};
22 use lemmy_db_schema::{
24 actor_language::SiteLanguage,
25 instance::Instance as DbInstance,
26 site::{Site, SiteInsertForm},
29 utils::{naive_now, DbPool},
33 utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html},
39 #[derive(Clone, Debug)]
40 pub struct ApubSite(Site);
42 impl Deref for ApubSite {
44 fn deref(&self) -> &Self::Target {
49 impl From<Site> for ApubSite {
50 fn from(s: Site) -> Self {
55 #[async_trait::async_trait(?Send)]
56 impl ApubObject for ApubSite {
57 type DataType = LemmyContext;
58 type ApubType = Instance;
60 type Error = LemmyError;
62 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
63 Some(self.last_refreshed_at)
66 #[tracing::instrument(skip_all)]
67 async fn read_from_apub_id(
69 data: &Self::DataType,
70 ) -> Result<Option<Self>, LemmyError> {
72 Site::read_from_apub_id(data.pool(), object_id)
78 async fn delete(self, _data: &Self::DataType) -> Result<(), LemmyError> {
82 #[tracing::instrument(skip_all)]
83 async fn into_apub(self, data: &Self::DataType) -> Result<Self::ApubType, LemmyError> {
84 let site_id = self.id;
85 let langs = SiteLanguage::read(data.pool(), site_id).await?;
86 let language = LanguageTag::new_multiple(langs, data.pool()).await?;
88 let instance = Instance {
89 kind: ApplicationType::Application,
90 id: ObjectId::new(self.actor_id()),
91 name: self.name.clone(),
92 content: self.sidebar.as_ref().map(|d| markdown_to_html(d)),
93 source: self.sidebar.clone().map(Source::new),
94 summary: self.description.clone(),
95 media_type: self.sidebar.as_ref().map(|_| MediaTypeHtml::Html),
96 icon: self.icon.clone().map(ImageObject::new),
97 image: self.banner.clone().map(ImageObject::new),
98 inbox: self.inbox_url.clone().into(),
99 outbox: Url::parse(&format!("{}/site_outbox", self.actor_id))?,
100 public_key: self.get_public_key(),
102 published: convert_datetime(self.published),
103 updated: self.updated.map(convert_datetime),
108 #[tracing::instrument(skip_all)]
110 apub: &Self::ApubType,
111 expected_domain: &Url,
112 data: &Self::DataType,
113 _request_counter: &mut i32,
114 ) -> Result<(), LemmyError> {
115 let local_site_data = fetch_local_site_data(data.pool()).await?;
117 check_apub_id_valid_with_strictness(apub.id.inner(), true, &local_site_data, data.settings())?;
118 verify_domains_match(expected_domain, apub.id.inner())?;
120 let slur_regex = &local_site_opt_to_slur_regex(&local_site_data.local_site);
122 check_slurs(&apub.name, slur_regex)?;
123 check_slurs_opt(&apub.summary, slur_regex)?;
127 #[tracing::instrument(skip_all)]
129 apub: Self::ApubType,
130 data: &Self::DataType,
131 _request_counter: &mut i32,
132 ) -> Result<Self, LemmyError> {
133 let apub_id = apub.id.inner().clone();
134 let instance = DbInstance::create_from_actor_id(data.pool(), &apub_id).await?;
136 let site_form = SiteInsertForm {
137 name: apub.name.clone(),
138 sidebar: read_from_string_or_source_opt(&apub.content, &None, &apub.source),
139 updated: apub.updated.map(|u| u.clone().naive_local()),
140 icon: apub.icon.clone().map(|i| i.url.into()),
141 banner: apub.image.clone().map(|i| i.url.into()),
142 description: apub.summary.clone(),
143 actor_id: Some(apub.id.clone().into()),
144 last_refreshed_at: Some(naive_now()),
145 inbox_url: Some(apub.inbox.clone().into()),
146 public_key: Some(apub.public_key.public_key_pem.clone()),
148 instance_id: instance.id,
150 let languages = LanguageTag::to_language_id_multiple(apub.language, data.pool()).await?;
152 let site = Site::create(data.pool(), &site_form).await?;
153 SiteLanguage::update(data.pool(), languages, &site).await?;
158 impl ActorType for ApubSite {
159 fn actor_id(&self) -> Url {
160 self.actor_id.clone().into()
162 fn private_key(&self) -> Option<String> {
163 self.private_key.clone()
167 impl Actor for ApubSite {
168 fn public_key(&self) -> &str {
172 fn inbox(&self) -> Url {
173 self.inbox_url.clone().into()
177 /// try to fetch the instance actor (to make things like instance rules available)
178 pub(in crate::objects) async fn fetch_instance_actor_for_object(
180 context: &LemmyContext,
181 request_counter: &mut i32,
183 // try to fetch the instance actor (to make things like instance rules available)
184 let instance_id = Site::instance_actor_id_from_url(object_id);
185 let site = ObjectId::<ApubSite>::new(instance_id.clone())
186 .dereference(context, local_instance(context).await, request_counter)
188 if let Err(e) = site {
189 debug!("Failed to dereference site for {}: {}", instance_id, e);
193 pub(crate) async fn remote_instance_inboxes(pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
195 Site::read_remote_sites(pool)
198 .map(|s| ApubSite::from(s).shared_inbox_or_inbox())
204 pub(crate) mod tests {
206 use crate::{objects::tests::init_context, protocol::tests::file_to_json_object};
207 use lemmy_db_schema::traits::Crud;
208 use serial_test::serial;
210 pub(crate) async fn parse_lemmy_instance(context: &LemmyContext) -> ApubSite {
211 let json: Instance = file_to_json_object("assets/lemmy/objects/instance.json").unwrap();
212 let id = Url::parse("https://enterprise.lemmy.ml/").unwrap();
213 let mut request_counter = 0;
214 ApubSite::verify(&json, &id, context, &mut request_counter)
217 let site = ApubSite::from_apub(json, context, &mut request_counter)
220 assert_eq!(request_counter, 0);
226 async fn test_parse_lemmy_instance() {
227 let context = init_context().await;
228 let site = parse_lemmy_instance(&context).await;
230 assert_eq!(site.name, "Enterprise");
231 assert_eq!(site.description.as_ref().unwrap().len(), 15);
233 Site::delete(context.pool(), site.id).await.unwrap();