mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-11-15 17:03:59 +00:00
1870dc8cd9
Update dependencies Move send_local_notifs into lemmy_api_structs (ref #1115) Split lemmy_utils into multiple files Co-authored-by: Felix Ableitner <me@nutomic.com> Reviewed-on: https://yerbamate.dev/LemmyNet/lemmy/pulls/96
581 lines
16 KiB
Rust
581 lines
16 KiB
Rust
use crate::{
|
|
apub::{
|
|
activities::{generate_activity_id, send_activity_to_community},
|
|
check_actor_domain,
|
|
create_apub_response,
|
|
create_apub_tombstone_response,
|
|
create_tombstone,
|
|
extensions::page_extension::PageExtension,
|
|
fetcher::{get_or_fetch_and_upsert_community, get_or_fetch_and_upsert_user},
|
|
ActorType,
|
|
ApubLikeableType,
|
|
ApubObjectType,
|
|
FromApub,
|
|
PageExt,
|
|
ToApub,
|
|
},
|
|
DbPool,
|
|
LemmyContext,
|
|
};
|
|
use activitystreams::{
|
|
activity::{
|
|
kind::{CreateType, DeleteType, DislikeType, LikeType, RemoveType, UndoType, UpdateType},
|
|
Create,
|
|
Delete,
|
|
Dislike,
|
|
Like,
|
|
Remove,
|
|
Undo,
|
|
Update,
|
|
},
|
|
object::{kind::PageType, Image, Object, Page, Tombstone},
|
|
prelude::*,
|
|
public,
|
|
};
|
|
use activitystreams_ext::Ext1;
|
|
use actix_web::{body::Body, web, HttpResponse};
|
|
use anyhow::Context;
|
|
use lemmy_api_structs::blocking;
|
|
use lemmy_db::{
|
|
community::Community,
|
|
post::{Post, PostForm},
|
|
user::User_,
|
|
Crud,
|
|
};
|
|
use lemmy_utils::{
|
|
location_info,
|
|
utils::{check_slurs, convert_datetime, remove_slurs},
|
|
LemmyError,
|
|
};
|
|
use serde::Deserialize;
|
|
use url::Url;
|
|
|
|
#[derive(Deserialize)]
|
|
pub struct PostQuery {
|
|
post_id: String,
|
|
}
|
|
|
|
/// Return the post json over HTTP.
|
|
pub async fn get_apub_post(
|
|
info: web::Path<PostQuery>,
|
|
context: web::Data<LemmyContext>,
|
|
) -> Result<HttpResponse<Body>, LemmyError> {
|
|
let id = info.post_id.parse::<i32>()?;
|
|
let post = blocking(context.pool(), move |conn| Post::read(conn, id)).await??;
|
|
|
|
if !post.deleted {
|
|
Ok(create_apub_response(&post.to_apub(context.pool()).await?))
|
|
} else {
|
|
Ok(create_apub_tombstone_response(&post.to_tombstone()?))
|
|
}
|
|
}
|
|
|
|
#[async_trait::async_trait(?Send)]
|
|
impl ToApub for Post {
|
|
type Response = PageExt;
|
|
|
|
// Turn a Lemmy post into an ActivityPub page that can be sent out over the network.
|
|
async fn to_apub(&self, pool: &DbPool) -> Result<PageExt, LemmyError> {
|
|
let mut page = Page::new();
|
|
|
|
let creator_id = self.creator_id;
|
|
let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(pool, move |conn| Community::read(conn, community_id)).await??;
|
|
|
|
page
|
|
// Not needed when the Post is embedded in a collection (like for community outbox)
|
|
// TODO: need to set proper context defining sensitive/commentsEnabled fields
|
|
// https://git.asonix.dog/Aardwolf/activitystreams/issues/5
|
|
.set_context(activitystreams::context())
|
|
.set_id(self.ap_id.parse::<Url>()?)
|
|
// Use summary field to be consistent with mastodon content warning.
|
|
// https://mastodon.xyz/@Louisa/103987265222901387.json
|
|
.set_summary(self.name.to_owned())
|
|
.set_published(convert_datetime(self.published))
|
|
.set_to(community.actor_id)
|
|
.set_attributed_to(creator.actor_id);
|
|
|
|
if let Some(body) = &self.body {
|
|
page.set_content(body.to_owned());
|
|
}
|
|
|
|
// TODO: hacky code because we get self.url == Some("")
|
|
// https://github.com/LemmyNet/lemmy/issues/602
|
|
let url = self.url.as_ref().filter(|u| !u.is_empty());
|
|
if let Some(u) = url {
|
|
page.set_url(u.to_owned());
|
|
|
|
// Embeds
|
|
let mut page_preview = Page::new();
|
|
page_preview.set_url(u.to_owned());
|
|
|
|
if let Some(embed_title) = &self.embed_title {
|
|
page_preview.set_name(embed_title.to_owned());
|
|
}
|
|
|
|
if let Some(embed_description) = &self.embed_description {
|
|
page_preview.set_summary(embed_description.to_owned());
|
|
}
|
|
|
|
if let Some(embed_html) = &self.embed_html {
|
|
page_preview.set_content(embed_html.to_owned());
|
|
}
|
|
|
|
page.set_preview(page_preview.into_any_base()?);
|
|
}
|
|
|
|
if let Some(thumbnail_url) = &self.thumbnail_url {
|
|
let mut image = Image::new();
|
|
image.set_url(thumbnail_url.to_string());
|
|
page.set_image(image.into_any_base()?);
|
|
}
|
|
|
|
if let Some(u) = self.updated {
|
|
page.set_updated(convert_datetime(u));
|
|
}
|
|
|
|
let ext = PageExtension {
|
|
comments_enabled: !self.locked,
|
|
sensitive: self.nsfw,
|
|
stickied: self.stickied,
|
|
};
|
|
Ok(Ext1::new(page, ext))
|
|
}
|
|
|
|
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
|
|
create_tombstone(self.deleted, &self.ap_id, self.updated, PageType::Page)
|
|
}
|
|
}
|
|
|
|
struct EmbedType {
|
|
title: Option<String>,
|
|
description: Option<String>,
|
|
html: Option<String>,
|
|
}
|
|
|
|
fn extract_embed_from_apub(
|
|
page: &Ext1<Object<PageType>, PageExtension>,
|
|
) -> Result<EmbedType, LemmyError> {
|
|
match page.inner.preview() {
|
|
Some(preview) => {
|
|
let preview_page = Page::from_any_base(preview.one().context(location_info!())?.to_owned())?
|
|
.context(location_info!())?;
|
|
let title = preview_page
|
|
.name()
|
|
.map(|n| n.one())
|
|
.flatten()
|
|
.map(|s| s.as_xsd_string())
|
|
.flatten()
|
|
.map(|s| s.to_string());
|
|
let description = preview_page
|
|
.summary()
|
|
.map(|s| s.as_single_xsd_string())
|
|
.flatten()
|
|
.map(|s| s.to_string());
|
|
let html = preview_page
|
|
.content()
|
|
.map(|c| c.as_single_xsd_string())
|
|
.flatten()
|
|
.map(|s| s.to_string());
|
|
Ok(EmbedType {
|
|
title,
|
|
description,
|
|
html,
|
|
})
|
|
}
|
|
None => Ok(EmbedType {
|
|
title: None,
|
|
description: None,
|
|
html: None,
|
|
}),
|
|
}
|
|
}
|
|
|
|
#[async_trait::async_trait(?Send)]
|
|
impl FromApub for PostForm {
|
|
type ApubType = PageExt;
|
|
|
|
/// Parse an ActivityPub page received from another instance into a Lemmy post.
|
|
async fn from_apub(
|
|
page: &PageExt,
|
|
context: &LemmyContext,
|
|
expected_domain: Option<Url>,
|
|
) -> Result<PostForm, LemmyError> {
|
|
let ext = &page.ext_one;
|
|
let creator_actor_id = page
|
|
.inner
|
|
.attributed_to()
|
|
.as_ref()
|
|
.context(location_info!())?
|
|
.as_single_xsd_any_uri()
|
|
.context(location_info!())?;
|
|
|
|
let creator = get_or_fetch_and_upsert_user(creator_actor_id, context).await?;
|
|
|
|
let community_actor_id = page
|
|
.inner
|
|
.to()
|
|
.as_ref()
|
|
.context(location_info!())?
|
|
.as_single_xsd_any_uri()
|
|
.context(location_info!())?;
|
|
|
|
let community = get_or_fetch_and_upsert_community(community_actor_id, context).await?;
|
|
|
|
let thumbnail_url = match &page.inner.image() {
|
|
Some(any_image) => Image::from_any_base(
|
|
any_image
|
|
.to_owned()
|
|
.as_one()
|
|
.context(location_info!())?
|
|
.to_owned(),
|
|
)?
|
|
.context(location_info!())?
|
|
.url()
|
|
.context(location_info!())?
|
|
.as_single_xsd_any_uri()
|
|
.map(|u| u.to_string()),
|
|
None => None,
|
|
};
|
|
|
|
let embed = extract_embed_from_apub(page)?;
|
|
|
|
let name = page
|
|
.inner
|
|
.summary()
|
|
.as_ref()
|
|
.context(location_info!())?
|
|
.as_single_xsd_string()
|
|
.context(location_info!())?
|
|
.to_string();
|
|
let url = page
|
|
.inner
|
|
.url()
|
|
.as_ref()
|
|
.map(|u| u.as_single_xsd_string())
|
|
.flatten()
|
|
.map(|s| s.to_string());
|
|
let body = page
|
|
.inner
|
|
.content()
|
|
.as_ref()
|
|
.map(|c| c.as_single_xsd_string())
|
|
.flatten()
|
|
.map(|s| s.to_string());
|
|
check_slurs(&name)?;
|
|
let body_slurs_removed = body.map(|b| remove_slurs(&b));
|
|
Ok(PostForm {
|
|
name,
|
|
url,
|
|
body: body_slurs_removed,
|
|
creator_id: creator.id,
|
|
community_id: community.id,
|
|
removed: None,
|
|
locked: Some(!ext.comments_enabled),
|
|
published: page
|
|
.inner
|
|
.published()
|
|
.as_ref()
|
|
.map(|u| u.to_owned().naive_local()),
|
|
updated: page
|
|
.inner
|
|
.updated()
|
|
.as_ref()
|
|
.map(|u| u.to_owned().naive_local()),
|
|
deleted: None,
|
|
nsfw: ext.sensitive,
|
|
stickied: Some(ext.stickied),
|
|
embed_title: embed.title,
|
|
embed_description: embed.description,
|
|
embed_html: embed.html,
|
|
thumbnail_url,
|
|
ap_id: Some(check_actor_domain(page, expected_domain)?),
|
|
local: false,
|
|
})
|
|
}
|
|
}
|
|
|
|
#[async_trait::async_trait(?Send)]
|
|
impl ApubObjectType for Post {
|
|
/// Send out information about a newly created post, to the followers of the community.
|
|
async fn send_create(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut create = Create::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
create
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(CreateType::Create)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
create,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
/// Send out information about an edited post, to the followers of the community.
|
|
async fn send_update(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut update = Update::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
update
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(UpdateType::Update)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
update,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_delete(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut delete = Delete::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
delete
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(DeleteType::Delete)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
delete,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_undo_delete(
|
|
&self,
|
|
creator: &User_,
|
|
context: &LemmyContext,
|
|
) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut delete = Delete::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
delete
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(DeleteType::Delete)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
// Undo that fake activity
|
|
let mut undo = Undo::new(creator.actor_id.to_owned(), delete.into_any_base()?);
|
|
undo
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(UndoType::Undo)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
undo,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut remove = Remove::new(mod_.actor_id.to_owned(), page.into_any_base()?);
|
|
remove
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(RemoveType::Remove)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
mod_,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
remove,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_undo_remove(&self, mod_: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut remove = Remove::new(mod_.actor_id.to_owned(), page.into_any_base()?);
|
|
remove
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(RemoveType::Remove)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
// Undo that fake activity
|
|
let mut undo = Undo::new(mod_.actor_id.to_owned(), remove.into_any_base()?);
|
|
undo
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(UndoType::Undo)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
mod_,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
undo,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[async_trait::async_trait(?Send)]
|
|
impl ApubLikeableType for Post {
|
|
async fn send_like(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut like = Like::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
like
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(LikeType::Like)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
like,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_dislike(&self, creator: &User_, context: &LemmyContext) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut dislike = Dislike::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
dislike
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(DislikeType::Dislike)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
dislike,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
async fn send_undo_like(
|
|
&self,
|
|
creator: &User_,
|
|
context: &LemmyContext,
|
|
) -> Result<(), LemmyError> {
|
|
let page = self.to_apub(context.pool()).await?;
|
|
|
|
let community_id = self.community_id;
|
|
let community = blocking(context.pool(), move |conn| {
|
|
Community::read(conn, community_id)
|
|
})
|
|
.await??;
|
|
|
|
let mut like = Like::new(creator.actor_id.to_owned(), page.into_any_base()?);
|
|
like
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(LikeType::Like)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
// Undo that fake activity
|
|
let mut undo = Undo::new(creator.actor_id.to_owned(), like.into_any_base()?);
|
|
undo
|
|
.set_context(activitystreams::context())
|
|
.set_id(generate_activity_id(UndoType::Undo)?)
|
|
.set_to(public())
|
|
.set_many_ccs(vec![community.get_followers_url()?]);
|
|
|
|
send_activity_to_community(
|
|
&creator,
|
|
&community,
|
|
vec![community.get_shared_inbox_url()?],
|
|
undo,
|
|
context,
|
|
)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
}
|