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},
34 markdown::markdown_to_html,
35 slurs::{check_slurs, check_slurs_opt},
36 time::convert_datetime,
43 #[derive(Clone, Debug)]
44 pub struct ApubSite(Site);
46 impl Deref for ApubSite {
48 fn deref(&self) -> &Self::Target {
53 impl From<Site> for ApubSite {
54 fn from(s: Site) -> Self {
59 #[async_trait::async_trait(?Send)]
60 impl ApubObject for ApubSite {
61 type DataType = LemmyContext;
62 type ApubType = Instance;
64 type Error = LemmyError;
66 fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
67 Some(self.last_refreshed_at)
70 #[tracing::instrument(skip_all)]
71 async fn read_from_apub_id(
73 data: &Self::DataType,
74 ) -> Result<Option<Self>, LemmyError> {
76 Site::read_from_apub_id(data.pool(), object_id)
82 async fn delete(self, _data: &Self::DataType) -> Result<(), LemmyError> {
86 #[tracing::instrument(skip_all)]
87 async fn into_apub(self, data: &Self::DataType) -> Result<Self::ApubType, LemmyError> {
88 let site_id = self.id;
89 let langs = SiteLanguage::read(data.pool(), site_id).await?;
90 let language = LanguageTag::new_multiple(langs, data.pool()).await?;
92 let instance = Instance {
93 kind: ApplicationType::Application,
94 id: ObjectId::new(self.actor_id()),
95 name: self.name.clone(),
96 content: self.sidebar.as_ref().map(|d| markdown_to_html(d)),
97 source: self.sidebar.clone().map(Source::new),
98 summary: self.description.clone(),
99 media_type: self.sidebar.as_ref().map(|_| MediaTypeHtml::Html),
100 icon: self.icon.clone().map(ImageObject::new),
101 image: self.banner.clone().map(ImageObject::new),
102 inbox: self.inbox_url.clone().into(),
103 outbox: Url::parse(&format!("{}/site_outbox", self.actor_id))?,
104 public_key: self.get_public_key(),
106 published: convert_datetime(self.published),
107 updated: self.updated.map(convert_datetime),
112 #[tracing::instrument(skip_all)]
114 apub: &Self::ApubType,
115 expected_domain: &Url,
116 data: &Self::DataType,
117 _request_counter: &mut i32,
118 ) -> Result<(), LemmyError> {
119 let local_site_data = fetch_local_site_data(data.pool()).await?;
121 check_apub_id_valid_with_strictness(apub.id.inner(), true, &local_site_data, data.settings())?;
122 verify_domains_match(expected_domain, apub.id.inner())?;
124 let slur_regex = &local_site_opt_to_slur_regex(&local_site_data.local_site);
126 check_slurs(&apub.name, slur_regex)?;
127 check_slurs_opt(&apub.summary, slur_regex)?;
131 #[tracing::instrument(skip_all)]
133 apub: Self::ApubType,
134 data: &Self::DataType,
135 _request_counter: &mut i32,
136 ) -> Result<Self, LemmyError> {
137 let apub_id = apub.id.inner().clone();
138 let instance = DbInstance::create_from_actor_id(data.pool(), &apub_id).await?;
140 let site_form = SiteInsertForm {
141 name: apub.name.clone(),
142 sidebar: read_from_string_or_source_opt(&apub.content, &None, &apub.source),
143 updated: apub.updated.map(|u| u.clone().naive_local()),
144 icon: apub.icon.clone().map(|i| i.url.into()),
145 banner: apub.image.clone().map(|i| i.url.into()),
146 description: apub.summary.clone(),
147 actor_id: Some(apub.id.clone().into()),
148 last_refreshed_at: Some(naive_now()),
149 inbox_url: Some(apub.inbox.clone().into()),
150 public_key: Some(apub.public_key.public_key_pem.clone()),
152 instance_id: instance.id,
154 let languages = LanguageTag::to_language_id_multiple(apub.language, data.pool()).await?;
156 let site = Site::create(data.pool(), &site_form).await?;
157 SiteLanguage::update(data.pool(), languages, &site).await?;
162 impl ActorType for ApubSite {
163 fn actor_id(&self) -> Url {
164 self.actor_id.clone().into()
166 fn private_key(&self) -> Option<String> {
167 self.private_key.clone()
171 impl Actor for ApubSite {
172 fn public_key(&self) -> &str {
176 fn inbox(&self) -> Url {
177 self.inbox_url.clone().into()
181 /// try to fetch the instance actor (to make things like instance rules available)
182 pub(in crate::objects) async fn fetch_instance_actor_for_object(
184 context: &LemmyContext,
185 request_counter: &mut i32,
187 // try to fetch the instance actor (to make things like instance rules available)
188 let instance_id = Site::instance_actor_id_from_url(object_id);
189 let site = ObjectId::<ApubSite>::new(instance_id.clone())
190 .dereference(context, local_instance(context).await, request_counter)
192 if let Err(e) = site {
193 debug!("Failed to dereference site for {}: {}", instance_id, e);
197 pub(crate) async fn remote_instance_inboxes(pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
199 Site::read_remote_sites(pool)
202 .map(|s| ApubSite::from(s).shared_inbox_or_inbox())
208 pub(crate) mod tests {
210 use crate::{objects::tests::init_context, protocol::tests::file_to_json_object};
211 use lemmy_db_schema::traits::Crud;
212 use serial_test::serial;
214 pub(crate) async fn parse_lemmy_instance(context: &LemmyContext) -> ApubSite {
215 let json: Instance = file_to_json_object("assets/lemmy/objects/instance.json").unwrap();
216 let id = Url::parse("https://enterprise.lemmy.ml/").unwrap();
217 let mut request_counter = 0;
218 ApubSite::verify(&json, &id, context, &mut request_counter)
221 let site = ApubSite::from_apub(json, context, &mut request_counter)
224 assert_eq!(request_counter, 0);
230 async fn test_parse_lemmy_instance() {
231 let context = init_context().await;
232 let site = parse_lemmy_instance(&context).await;
234 assert_eq!(site.name, "Enterprise");
235 assert_eq!(site.description.as_ref().unwrap().len(), 15);
237 Site::delete(context.pool(), site.id).await.unwrap();