2 activities::{verify_is_public, verify_person_in_community},
3 fetcher::object_id::ObjectId,
4 objects::{community::ApubCommunity, person::ApubPerson, post::ApubPost},
5 protocol::{ImageObject, Source},
7 use activitystreams::{object::kind::PageType, unparsed::Unparsed};
9 use chrono::{DateTime, FixedOffset};
10 use lemmy_apub_lib::{values::MediaTypeHtml, verify::verify_domains_match};
11 use lemmy_utils::{utils::check_slurs, LemmyError};
12 use lemmy_websocket::LemmyContext;
13 use serde::{Deserialize, Serialize};
14 use serde_with::skip_serializing_none;
17 #[skip_serializing_none]
18 #[derive(Clone, Debug, Deserialize, Serialize)]
19 #[serde(rename_all = "camelCase")]
21 pub(crate) r#type: PageType,
23 pub(crate) attributed_to: ObjectId<ApubPerson>,
24 pub(crate) to: Vec<Url>,
25 pub(crate) name: String,
26 pub(crate) content: Option<String>,
27 pub(crate) media_type: Option<MediaTypeHtml>,
28 pub(crate) source: Option<Source>,
29 pub(crate) url: Option<Url>,
30 pub(crate) image: Option<ImageObject>,
31 pub(crate) comments_enabled: Option<bool>,
32 pub(crate) sensitive: Option<bool>,
33 pub(crate) stickied: Option<bool>,
34 pub(crate) published: Option<DateTime<FixedOffset>>,
35 pub(crate) updated: Option<DateTime<FixedOffset>>,
37 pub(crate) unparsed: Unparsed,
41 pub(crate) fn id_unchecked(&self) -> &Url {
44 pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> {
45 verify_domains_match(&self.id, expected_domain)?;
49 /// Only mods can change the post's stickied/locked status. So if either of these is changed from
50 /// the current value, it is a mod action and needs to be verified as such.
52 /// Both stickied and locked need to be false on a newly created post (verified in [[CreatePost]].
53 pub(crate) async fn is_mod_action(&self, context: &LemmyContext) -> Result<bool, LemmyError> {
54 let old_post = ObjectId::<ApubPost>::new(self.id.clone())
55 .dereference_local(context)
58 let is_mod_action = if let Ok(old_post) = old_post {
59 self.stickied != Some(old_post.stickied) || self.comments_enabled != Some(!old_post.locked)
66 pub(crate) async fn verify(
68 context: &LemmyContext,
69 request_counter: &mut i32,
70 ) -> Result<(), LemmyError> {
71 let community = self.extract_community(context, request_counter).await?;
73 check_slurs(&self.name, &context.settings().slur_regex())?;
74 verify_domains_match(self.attributed_to.inner(), &self.id.clone())?;
75 verify_person_in_community(&self.attributed_to, &community, context, request_counter).await?;
76 verify_is_public(&self.to.clone())?;
80 pub(crate) async fn extract_community(
82 context: &LemmyContext,
83 request_counter: &mut i32,
84 ) -> Result<ApubCommunity, LemmyError> {
85 let mut to_iter = self.to.iter();
87 if let Some(cid) = to_iter.next() {
88 let cid = ObjectId::new(cid.clone());
89 if let Ok(c) = cid.dereference(context, request_counter).await {
93 return Err(anyhow!("No community found in cc").into());