mirror of
https://github.com/LemmyNet/lemmy
synced 2024-10-30 15:21:20 +00:00
294 lines
9.1 KiB
Rust
294 lines
9.1 KiB
Rust
use crate::{
|
|
activities::{verify_is_public, verify_person_in_community},
|
|
check_apub_id_valid_with_strictness,
|
|
local_instance,
|
|
objects::{read_from_string_or_source_opt, verify_is_remote_object},
|
|
protocol::{
|
|
objects::page::{Attachment, AttributedTo, Page, PageType},
|
|
ImageObject,
|
|
Source,
|
|
},
|
|
};
|
|
use activitypub_federation::{
|
|
core::object_id::ObjectId,
|
|
deser::values::MediaTypeMarkdownOrHtml,
|
|
traits::ApubObject,
|
|
utils::verify_domains_match,
|
|
};
|
|
use activitystreams_kinds::public;
|
|
use chrono::NaiveDateTime;
|
|
use lemmy_api_common::{request::fetch_site_data, utils::blocking};
|
|
use lemmy_db_schema::{
|
|
source::{
|
|
community::Community,
|
|
moderator::{ModLockPost, ModLockPostForm, ModStickyPost, ModStickyPostForm},
|
|
person::Person,
|
|
post::{Post, PostForm},
|
|
},
|
|
traits::Crud,
|
|
{self},
|
|
};
|
|
use lemmy_utils::{
|
|
error::LemmyError,
|
|
utils::{check_slurs, convert_datetime, markdown_to_html, remove_slurs},
|
|
};
|
|
use lemmy_websocket::LemmyContext;
|
|
use std::ops::Deref;
|
|
use url::Url;
|
|
|
|
#[derive(Clone, Debug)]
|
|
pub struct ApubPost(Post);
|
|
|
|
impl Deref for ApubPost {
|
|
type Target = Post;
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
impl From<Post> for ApubPost {
|
|
fn from(p: Post) -> Self {
|
|
ApubPost(p)
|
|
}
|
|
}
|
|
|
|
#[async_trait::async_trait(?Send)]
|
|
impl ApubObject for ApubPost {
|
|
type DataType = LemmyContext;
|
|
type ApubType = Page;
|
|
type DbType = Post;
|
|
type Error = LemmyError;
|
|
|
|
fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
|
|
None
|
|
}
|
|
|
|
#[tracing::instrument(skip_all)]
|
|
async fn read_from_apub_id(
|
|
object_id: Url,
|
|
context: &LemmyContext,
|
|
) -> Result<Option<Self>, LemmyError> {
|
|
Ok(
|
|
blocking(context.pool(), move |conn| {
|
|
Post::read_from_apub_id(conn, object_id)
|
|
})
|
|
.await??
|
|
.map(Into::into),
|
|
)
|
|
}
|
|
|
|
#[tracing::instrument(skip_all)]
|
|
async fn delete(self, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
if !self.deleted {
|
|
blocking(context.pool(), move |conn| {
|
|
Post::update_deleted(conn, self.id, true)
|
|
})
|
|
.await??;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
// Turn a Lemmy post into an ActivityPub page that can be sent out over the network.
|
|
#[tracing::instrument(skip_all)]
|
|
async fn into_apub(self, context: &LemmyContext) -> Result<Page, LemmyError> {
|
|
let creator_id = self.creator_id;
|
|
let creator = blocking(context.pool(), move |conn| Person::read(conn, creator_id)).await??;
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let page = Page {
|
|
kind: PageType::Page,
|
|
id: ObjectId::new(self.ap_id.clone()),
|
|
attributed_to: AttributedTo::Lemmy(ObjectId::new(creator.actor_id)),
|
|
to: vec![community.actor_id.into(), public()],
|
|
cc: vec![],
|
|
name: self.name.clone(),
|
|
content: self.body.as_ref().map(|b| markdown_to_html(b)),
|
|
media_type: Some(MediaTypeMarkdownOrHtml::Html),
|
|
source: self.body.clone().map(Source::new),
|
|
url: self.url.clone().map(|u| u.into()),
|
|
attachment: self.url.clone().map(Attachment::new).into_iter().collect(),
|
|
image: self.thumbnail_url.clone().map(ImageObject::new),
|
|
comments_enabled: Some(!self.locked),
|
|
sensitive: Some(self.nsfw),
|
|
stickied: Some(self.stickied),
|
|
published: Some(convert_datetime(self.published)),
|
|
updated: self.updated.map(convert_datetime),
|
|
};
|
|
Ok(page)
|
|
}
|
|
|
|
#[tracing::instrument(skip_all)]
|
|
async fn verify(
|
|
page: &Page,
|
|
expected_domain: &Url,
|
|
context: &LemmyContext,
|
|
request_counter: &mut i32,
|
|
) -> Result<(), LemmyError> {
|
|
// We can't verify the domain in case of mod action, because the mod may be on a different
|
|
// instance from the post author.
|
|
if !page.is_mod_action(context).await? {
|
|
verify_domains_match(page.id.inner(), expected_domain)?;
|
|
verify_is_remote_object(page.id.inner())?;
|
|
};
|
|
|
|
let community = page.extract_community(context, request_counter).await?;
|
|
check_apub_id_valid_with_strictness(page.id.inner(), community.local, &context.settings())?;
|
|
verify_person_in_community(&page.creator()?, &community, context, request_counter).await?;
|
|
check_slurs(&page.name, &context.settings().slur_regex())?;
|
|
verify_domains_match(page.creator()?.inner(), page.id.inner())?;
|
|
verify_is_public(&page.to, &page.cc)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[tracing::instrument(skip_all)]
|
|
async fn from_apub(
|
|
page: Page,
|
|
context: &LemmyContext,
|
|
request_counter: &mut i32,
|
|
) -> Result<ApubPost, LemmyError> {
|
|
let creator = page
|
|
.creator()?
|
|
.dereference(context, local_instance(context), request_counter)
|
|
.await?;
|
|
let community = page.extract_community(context, request_counter).await?;
|
|
|
|
let form = if !page.is_mod_action(context).await? {
|
|
let url = if let Some(attachment) = page.attachment.first() {
|
|
// url as sent by Lemmy (new)
|
|
Some(attachment.href.clone())
|
|
} else if page.kind == PageType::Video {
|
|
// we cant display videos directly, so insert a link to external video page
|
|
Some(page.id.inner().clone())
|
|
} else {
|
|
// url sent by lemmy (old)
|
|
page.url
|
|
};
|
|
let (metadata_res, thumbnail_url) = if let Some(url) = &url {
|
|
fetch_site_data(context.client(), &context.settings(), Some(url)).await
|
|
} else {
|
|
(None, page.image.map(|i| i.url.into()))
|
|
};
|
|
let (embed_title, embed_description, embed_video_url) = metadata_res
|
|
.map(|u| (u.title, u.description, u.embed_video_url))
|
|
.unwrap_or_default();
|
|
let body_slurs_removed =
|
|
read_from_string_or_source_opt(&page.content, &page.media_type, &page.source)
|
|
.map(|s| remove_slurs(&s, &context.settings().slur_regex()));
|
|
|
|
PostForm {
|
|
name: page.name.clone(),
|
|
url: url.map(Into::into),
|
|
body: body_slurs_removed,
|
|
creator_id: creator.id,
|
|
community_id: community.id,
|
|
removed: None,
|
|
locked: page.comments_enabled.map(|e| !e),
|
|
published: page.published.map(|u| u.naive_local()),
|
|
updated: page.updated.map(|u| u.naive_local()),
|
|
deleted: None,
|
|
nsfw: page.sensitive,
|
|
stickied: page.stickied,
|
|
embed_title,
|
|
embed_description,
|
|
embed_video_url,
|
|
thumbnail_url,
|
|
ap_id: Some(page.id.clone().into()),
|
|
local: Some(false),
|
|
}
|
|
} else {
|
|
// if is mod action, only update locked/stickied fields, nothing else
|
|
PostForm {
|
|
name: page.name.clone(),
|
|
creator_id: creator.id,
|
|
community_id: community.id,
|
|
locked: page.comments_enabled.map(|e| !e),
|
|
stickied: page.stickied,
|
|
updated: page.updated.map(|u| u.naive_local()),
|
|
ap_id: Some(page.id.clone().into()),
|
|
..Default::default()
|
|
}
|
|
};
|
|
|
|
// read existing, local post if any (for generating mod log)
|
|
let old_post = ObjectId::<ApubPost>::new(page.id.clone())
|
|
.dereference_local(context)
|
|
.await;
|
|
|
|
let post = blocking(context.pool(), move |conn| Post::upsert(conn, &form)).await??;
|
|
|
|
// write mod log entries for sticky/lock
|
|
if Page::is_stickied_changed(&old_post, &page.stickied) {
|
|
let form = ModStickyPostForm {
|
|
mod_person_id: creator.id,
|
|
post_id: post.id,
|
|
stickied: Some(post.stickied),
|
|
};
|
|
blocking(context.pool(), move |conn| {
|
|
ModStickyPost::create(conn, &form)
|
|
})
|
|
.await??;
|
|
}
|
|
if Page::is_locked_changed(&old_post, &page.comments_enabled) {
|
|
let form = ModLockPostForm {
|
|
mod_person_id: creator.id,
|
|
post_id: post.id,
|
|
locked: Some(post.locked),
|
|
};
|
|
blocking(context.pool(), move |conn| ModLockPost::create(conn, &form)).await??;
|
|
}
|
|
|
|
Ok(post.into())
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::{
|
|
objects::{
|
|
community::tests::parse_lemmy_community,
|
|
person::tests::parse_lemmy_person,
|
|
post::ApubPost,
|
|
tests::init_context,
|
|
},
|
|
protocol::tests::file_to_json_object,
|
|
};
|
|
use lemmy_db_schema::source::site::Site;
|
|
use serial_test::serial;
|
|
|
|
#[actix_rt::test]
|
|
#[serial]
|
|
async fn test_parse_lemmy_post() {
|
|
let context = init_context();
|
|
let (person, site) = parse_lemmy_person(&context).await;
|
|
let community = parse_lemmy_community(&context).await;
|
|
|
|
let json = file_to_json_object("assets/lemmy/objects/page.json").unwrap();
|
|
let url = Url::parse("https://enterprise.lemmy.ml/post/55143").unwrap();
|
|
let mut request_counter = 0;
|
|
ApubPost::verify(&json, &url, &context, &mut request_counter)
|
|
.await
|
|
.unwrap();
|
|
let post = ApubPost::from_apub(json, &context, &mut request_counter)
|
|
.await
|
|
.unwrap();
|
|
|
|
assert_eq!(post.ap_id, url.into());
|
|
assert_eq!(post.name, "Post title");
|
|
assert!(post.body.is_some());
|
|
assert_eq!(post.body.as_ref().unwrap().len(), 45);
|
|
assert!(!post.locked);
|
|
assert!(post.stickied);
|
|
assert_eq!(request_counter, 0);
|
|
|
|
Post::delete(&*context.pool().get().unwrap(), post.id).unwrap();
|
|
Person::delete(&*context.pool().get().unwrap(), person.id).unwrap();
|
|
Community::delete(&*context.pool().get().unwrap(), community.id).unwrap();
|
|
Site::delete(&*context.pool().get().unwrap(), site.id).unwrap();
|
|
}
|
|
}
|