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Populate content with HTML, and source with markdown (ref #1220)

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This commit is contained in:
Felix Ableitner 2020-11-24 18:53:43 +01:00
parent 8bdbda1db9
commit d75f621152
14 changed files with 184 additions and 90 deletions
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4
Cargo.lock generated
View file

@ -2,9 +2,9 @@
# It is not intended for manual editing.
[[package]]
name = "activitystreams"
version = "0.7.0-alpha.4"
version = "0.7.0-alpha.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "261b423734cca2a170d7a76936f1f0f9e6c6fc297d36cfc5ea6aa15f9017f996"
checksum = "0b1afe32371e466a791ced0d6ef6e6b97822bb1a279ee4cc41c4324e61cd0b2b"
dependencies = [
"chrono",
"mime",

25
docs/src/contributing_apub_api_outline.md
View file

@ -64,6 +64,10 @@ Receives activities from user: `Follow`, `Undo/Follow`, `Create`, `Update`, `Lik
"https://enterprise.lemmy.ml/u/riker"
],
"content": "Welcome to the default community!",
"source": {
"content": "Welcome to the default community!",
"mediaType": "text/markdown"
},
"icon": {
"type": "Image",
"url": "https://enterprise.lemmy.ml/pictrs/image/Z8pFFb21cl.png"
@ -123,7 +127,11 @@ Sends and receives activities from/to other users: `Create/Note`, `Update/Note`,
"type": "Person",
"preferredUsername": "picard",
"name": "Jean-Luc Picard",
"summary": "The user bio",
"content": "The user bio",
"source": {
"content": "The user bio",
"mediaType": "text/markdown"
},
"icon": {
"type": "Image",
"url": "https://enterprise.lemmy.ml/pictrs/image/DS3q0colRA.jpg"
@ -150,7 +158,7 @@ Sends and receives activities from/to other users: `Create/Note`, `Update/Note`,
|---|---|---|
| `preferredUsername` | yes | Name of the actor |
| `name` | no | The user's displayname |
| `summary` | no | User bio |
| `content` | no | User bio |
| `icon` | no | The user's avatar, shown next to the username |
| `image` | no | The user's banner, shown on top of the profile |
| `inbox` | no | ActivityPub inbox URL |
@ -174,6 +182,10 @@ A page with title, and optional URL and text content. The URL often leads to an
"to": "https://voyager.lemmy.ml/c/main",
"summary": "Test thumbnail 2",
"content": "blub blub",
"source": {
"content": "blub blub",
"mediaType": "text/markdown"
},
"url": "https://voyager.lemmy.ml:/pictrs/image/fzGwCsq7BJ.jpg",
"image": {
"type": "Image",
@ -213,6 +225,10 @@ A reply to a post, or reply to another comment. Contains only text (including re
"attributedTo": "https://enterprise.lemmy.ml/u/picard",
"to": "https://enterprise.lemmy.ml/c/main",
"content": "mmmk",
"source": {
"content": "mmmk",
"mediaType": "text/markdown"
},
"inReplyTo": [
"https://enterprise.lemmy.ml/post/38",
"https://voyager.lemmy.ml/comment/73"
@ -243,6 +259,11 @@ A direct message from one user to another. Can not include additional users. Thr
"attributedTo": "https://enterprise.lemmy.ml/u/picard",
"to": "https://voyager.lemmy.ml/u/janeway",
"content": "test",
"source": {
"content": "test",
"mediaType": "text/markdown"
},
"mediaType": "text/markdown",
"published": "2020-10-08T19:10:46.542820+00:00",
"updated": "2020-10-08T20:13:52.547156+00:00"
}

2
lemmy_apub/Cargo.toml
View file

@ -14,7 +14,7 @@ lemmy_db = { path = "../lemmy_db" }
lemmy_structs = { path = "../lemmy_structs" }
lemmy_websocket = { path = "../lemmy_websocket" }
diesel = "1.4"
activitystreams = "0.7.0-alpha.4"
activitystreams = "0.7.0-alpha.6"
activitystreams-ext = "0.1.0-alpha.2"
bcrypt = "0.8"
chrono = { version = "0.4", features = ["serde"] }

10
lemmy_apub/src/activities/receive/comment.rs
View file

@ -3,11 +3,11 @@ use crate::{
fetcher::get_or_fetch_and_insert_comment,
ActorType,
FromApub,
NoteExt,
};
use activitystreams::{
activity::{ActorAndObjectRefExt, Create, Dislike, Like, Remove, Update},
base::ExtendsExt,
object::Note,
};
use anyhow::{anyhow, Context};
use lemmy_db::{
@ -27,7 +27,7 @@ pub(crate) async fn receive_create_comment(
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let user = get_actor_as_user(&create, context, request_counter).await?;
let note = Note::from_any_base(create.object().to_owned().one().context(location_info!())?)?
let note = NoteExt::from_any_base(create.object().to_owned().one().context(location_info!())?)?
.context(location_info!())?;
let comment =
@ -83,7 +83,7 @@ pub(crate) async fn receive_update_comment(
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let note = Note::from_any_base(update.object().to_owned().one().context(location_info!())?)?
let note = NoteExt::from_any_base(update.object().to_owned().one().context(location_info!())?)?
.context(location_info!())?;
let user = get_actor_as_user(&update, context, request_counter).await?;
@ -140,7 +140,7 @@ pub(crate) async fn receive_like_comment(
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let note = Note::from_any_base(like.object().to_owned().one().context(location_info!())?)?
let note = NoteExt::from_any_base(like.object().to_owned().one().context(location_info!())?)?
.context(location_info!())?;
let user = get_actor_as_user(&like, context, request_counter).await?;
@ -191,7 +191,7 @@ pub(crate) async fn receive_dislike_comment(
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let note = Note::from_any_base(
let note = NoteExt::from_any_base(
dislike
.object()
.to_owned()

7
lemmy_apub/src/activities/receive/comment_undo.rs
View file

@ -2,8 +2,9 @@ use crate::{
activities::receive::get_actor_as_user,
fetcher::get_or_fetch_and_insert_comment,
FromApub,
NoteExt,
};
use activitystreams::{activity::*, object::Note, prelude::*};
use activitystreams::{activity::*, prelude::*};
use anyhow::Context;
use lemmy_db::{
comment::{Comment, CommentForm, CommentLike},
@ -20,7 +21,7 @@ pub(crate) async fn receive_undo_like_comment(
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let user = get_actor_as_user(like, context, request_counter).await?;
let note = Note::from_any_base(like.object().to_owned().one().context(location_info!())?)?
let note = NoteExt::from_any_base(like.object().to_owned().one().context(location_info!())?)?
.context(location_info!())?;
let comment = CommentForm::from_apub(&note, context, None, request_counter).await?;
@ -64,7 +65,7 @@ pub(crate) async fn receive_undo_dislike_comment(
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let user = get_actor_as_user(dislike, context, request_counter).await?;
let note = Note::from_any_base(
let note = NoteExt::from_any_base(
dislike
.object()
.to_owned()

7
lemmy_apub/src/activities/receive/private_message.rs
View file

@ -4,11 +4,12 @@ use crate::{
fetcher::get_or_fetch_and_upsert_user,
inbox::get_activity_to_and_cc,
FromApub,
NoteExt,
};
use activitystreams::{
activity::{ActorAndObjectRefExt, Create, Delete, Undo, Update},
base::{AsBase, ExtendsExt},
object::{AsObject, Note},
object::AsObject,
public,
};
use anyhow::{anyhow, Context};
@ -30,7 +31,7 @@ pub(crate) async fn receive_create_private_message(
) -> Result<(), LemmyError> {
check_private_message_activity_valid(&create, context, request_counter).await?;
let note = Note::from_any_base(
let note = NoteExt::from_any_base(
create
.object()
.as_one()
@ -79,7 +80,7 @@ pub(crate) async fn receive_update_private_message(
.as_one()
.context(location_info!())?
.to_owned();
let note = Note::from_any_base(object)?.context(location_info!())?;
let note = NoteExt::from_any_base(object)?.context(location_info!())?;
let private_message_form =
PrivateMessageForm::from_apub(&note, context, Some(expected_domain), request_counter).await?;

7
lemmy_apub/src/fetcher.rs
View file

@ -3,11 +3,12 @@ use crate::{
ActorType,
FromApub,
GroupExt,
NoteExt,
PageExt,
PersonExt,
APUB_JSON_CONTENT_TYPE,
};
use activitystreams::{base::BaseExt, collection::OrderedCollection, object::Note, prelude::*};
use activitystreams::{base::BaseExt, collection::OrderedCollection, prelude::*};
use anyhow::{anyhow, Context};
use chrono::NaiveDateTime;
use diesel::result::Error::NotFound;
@ -91,7 +92,7 @@ enum SearchAcceptedObjects {
Person(Box<PersonExt>),
Group(Box<GroupExt>),
Page(Box<PageExt>),
Comment(Box<Note>),
Comment(Box<NoteExt>),
}
/// Attempt to parse the query as URL, and fetch an ActivityPub object from it.
@ -488,7 +489,7 @@ pub(crate) async fn get_or_fetch_and_insert_comment(
comment_ap_id
);
let comment =
fetch_remote_object::<Note>(context.client(), comment_ap_id, recursion_counter).await?;
fetch_remote_object::<NoteExt>(context.client(), comment_ap_id, recursion_counter).await?;
let comment_form = CommentForm::from_apub(
&comment,
context,

9
lemmy_apub/src/lib.rs
View file

@ -18,7 +18,7 @@ use activitystreams::{
activity::Follow,
actor::{ApActor, Group, Person},
base::AnyBase,
object::{Page, Tombstone},
object::{ApObject, Note, Page, Tombstone},
};
use activitystreams_ext::{Ext1, Ext2};
use anyhow::{anyhow, Context};
@ -31,11 +31,12 @@ use std::net::IpAddr;
use url::{ParseError, Url};
/// Activitystreams type for community
type GroupExt = Ext2<ApActor<Group>, GroupExtension, PublicKeyExtension>;
type GroupExt = Ext2<ApActor<ApObject<Group>>, GroupExtension, PublicKeyExtension>;
/// Activitystreams type for user
type PersonExt = Ext1<ApActor<Person>, PublicKeyExtension>;
type PersonExt = Ext1<ApActor<ApObject<Person>>, PublicKeyExtension>;
/// Activitystreams type for post
type PageExt = Ext1<Page, PageExtension>;
type PageExt = Ext1<ApObject<Page>, PageExtension>;
type NoteExt = ApObject<Note>;
pub static APUB_JSON_CONTENT_TYPE: &str = "application/activity+json";

31
lemmy_apub/src/objects/comment.rs
View file

@ -4,12 +4,18 @@ use crate::{
get_or_fetch_and_insert_post,
get_or_fetch_and_upsert_user,
},
objects::{check_object_domain, create_tombstone},
objects::{
check_object_domain,
create_tombstone,
get_source_markdown_value,
set_content_and_source,
},
FromApub,
NoteExt,
ToApub,
};
use activitystreams::{
object::{kind::NoteType, Note, Tombstone},
object::{kind::NoteType, ApObject, Note, Tombstone},
prelude::*,
};
use anyhow::Context;
@ -32,10 +38,10 @@ use url::Url;
#[async_trait::async_trait(?Send)]
impl ToApub for Comment {
type ApubType = Note;
type ApubType = NoteExt;
async fn to_apub(&self, pool: &DbPool) -> Result<Note, LemmyError> {
let mut comment = Note::new();
async fn to_apub(&self, pool: &DbPool) -> Result<NoteExt, LemmyError> {
let mut comment = ApObject::new(Note::new());
let creator_id = self.creator_id;
let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
@ -63,9 +69,10 @@ impl ToApub for Comment {
.set_published(convert_datetime(self.published))
.set_to(community.actor_id)
.set_many_in_reply_tos(in_reply_to_vec)
.set_content(self.content.to_owned())
.set_attributed_to(creator.actor_id);
set_content_and_source(&mut comment, &self.content)?;
if let Some(u) = self.updated {
comment.set_updated(convert_datetime(u));
}
@ -80,13 +87,13 @@ impl ToApub for Comment {
#[async_trait::async_trait(?Send)]
impl FromApub for CommentForm {
type ApubType = Note;
type ApubType = NoteExt;
/// Converts a `Note` to `CommentForm`.
///
/// If the parent community, post and comment(s) are not known locally, these are also fetched.
async fn from_apub(
note: &Note,
note: &NoteExt,
context: &LemmyContext,
expected_domain: Option<Url>,
request_counter: &mut i32,
@ -124,12 +131,8 @@ impl FromApub for CommentForm {
}
None => None,
};
let content = note
.content()
.context(location_info!())?
.as_single_xsd_string()
.context(location_info!())?
.to_string();
let content = get_source_markdown_value(note)?.context(location_info!())?;
let content_slurs_removed = remove_slurs(&content);
Ok(CommentForm {

26
lemmy_apub/src/objects/community.rs
View file

@ -1,7 +1,12 @@
use crate::{
extensions::group_extensions::GroupExtension,
fetcher::get_or_fetch_and_upsert_user,
objects::{check_object_domain, create_tombstone},
objects::{
check_object_domain,
create_tombstone,
get_source_markdown_value,
set_content_and_source,
},
ActorType,
FromApub,
GroupExt,
@ -10,7 +15,7 @@ use crate::{
use activitystreams::{
actor::{kind::GroupType, ApActor, Endpoints, Group},
base::BaseExt,
object::{Image, Tombstone},
object::{ApObject, Image, Tombstone},
prelude::*,
};
use activitystreams_ext::Ext2;
@ -46,7 +51,7 @@ impl ToApub for Community {
.await??;
let moderators: Vec<String> = moderators.into_iter().map(|m| m.user_actor_id).collect();
let mut group = Group::new();
let mut group = ApObject::new(Group::new());
group
.set_context(activitystreams::context())
.set_id(Url::parse(&self.actor_id)?)
@ -58,9 +63,7 @@ impl ToApub for Community {
group.set_updated(convert_datetime(u));
}
if let Some(d) = self.description.to_owned() {
// TODO: this should be html, also add source field with raw markdown
// -> same for post.content and others
group.set_content(d);
set_content_and_source(&mut group, &d)?;
}
if let Some(icon_url) = &self.icon {
@ -138,14 +141,9 @@ impl FromApub for CommunityForm {
.as_xsd_string()
.context(location_info!())?
.to_string();
// TODO: should be parsed as html and tags like <script> removed (or use markdown source)
// -> same for post.content etc
let description = group
.inner
.content()
.map(|s| s.as_single_xsd_string())
.flatten()
.map(|s| s.to_string());
let description = get_source_markdown_value(group)?;
check_slurs(&name)?;
check_slurs(&title)?;
check_slurs_opt(&description)?;

68
lemmy_apub/src/objects/mod.rs
View file

@ -1,12 +1,17 @@
use crate::check_is_apub_id_valid;
use activitystreams::{
base::{AsBase, BaseExt},
base::{AsBase, BaseExt, ExtendsExt},
markers::Base,
object::{Tombstone, TombstoneExt},
mime::{FromStrError, Mime},
object::{ApObjectExt, Object, ObjectExt, Tombstone, TombstoneExt},
};
use anyhow::{anyhow, Context};
use chrono::NaiveDateTime;
use lemmy_utils::{location_info, utils::convert_datetime, LemmyError};
use lemmy_utils::{
location_info,
utils::{convert_datetime, markdown_to_html},
LemmyError,
};
use url::Url;
pub(crate) mod comment;
@ -58,3 +63,60 @@ where
};
Ok(actor_id.to_string())
}
pub(in crate::objects) fn set_content_and_source<T, Kind1, Kind2>(
object: &mut T,
markdown_text: &str,
) -> Result<(), LemmyError>
where
T: ApObjectExt<Kind1> + ObjectExt<Kind2>,
{
let mut source = Object::<()>::new_none_type();
source
.set_content(markdown_text)
.set_media_type(mime_markdown()?);
object.set_source(source.into_any_base()?);
object.set_content(markdown_to_html(markdown_text));
Ok(())
}
pub(in crate::objects) fn get_source_markdown_value<T, Kind1, Kind2>(
object: &T,
) -> Result<Option<String>, LemmyError>
where
T: ApObjectExt<Kind1> + ObjectExt<Kind2>,
{
let content = object
.content()
.map(|s| s.as_single_xsd_string())
.flatten()
.map(|s| s.to_string());
if content.is_some() {
let source = object.source().context(location_info!())?;
let source = Object::<()>::from_any_base(source.to_owned())?.context(location_info!())?;
check_is_markdown(source.media_type())?;
let source_content = source
.content()
.map(|s| s.as_single_xsd_string())
.flatten()
.context(location_info!())?
.to_string();
return Ok(Some(source_content));
}
Ok(None)
}
pub(in crate::objects) fn mime_markdown() -> Result<Mime, FromStrError> {
"text/markdown".parse()
}
pub(in crate::objects) fn check_is_markdown(mime: Option<&Mime>) -> Result<(), LemmyError> {
let mime = mime.context(location_info!())?;
if !mime.eq(&mime_markdown()?) {
Err(LemmyError::from(anyhow!(
"Lemmy only supports markdown content"
)))
} else {
Ok(())
}
}

22
lemmy_apub/src/objects/post.rs
View file

@ -1,13 +1,18 @@
use crate::{
extensions::page_extension::PageExtension,
fetcher::{get_or_fetch_and_upsert_community, get_or_fetch_and_upsert_user},
objects::{check_object_domain, create_tombstone},
objects::{
check_object_domain,
create_tombstone,
get_source_markdown_value,
set_content_and_source,
},
FromApub,
PageExt,
ToApub,
};
use activitystreams::{
object::{kind::PageType, Image, Page, Tombstone},
object::{kind::PageType, ApObject, Image, Page, Tombstone},
prelude::*,
};
use activitystreams_ext::Ext1;
@ -35,7 +40,7 @@ impl ToApub for Post {
// 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 mut page = ApObject::new(Page::new());
let creator_id = self.creator_id;
let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
@ -57,7 +62,7 @@ impl ToApub for Post {
.set_attributed_to(creator.actor_id);
if let Some(body) = &self.body {
page.set_content(body.to_owned());
set_content_and_source(&mut page, &body)?;
}
// TODO: hacky code because we get self.url == Some("")
@ -162,13 +167,8 @@ impl FromApub for PostForm {
.as_single_xsd_string()
.context(location_info!())?
.to_string();
let body = page
.inner
.content()
.as_ref()
.map(|c| c.as_single_xsd_string())
.flatten()
.map(|s| s.to_string());
let body = get_source_markdown_value(page)?;
check_slurs(&name)?;
let body_slurs_removed = body.map(|b| remove_slurs(&b));
Ok(PostForm {

32
lemmy_apub/src/objects/private_message.rs
View file

@ -1,12 +1,18 @@
use crate::{
check_is_apub_id_valid,
fetcher::get_or_fetch_and_upsert_user,
objects::{check_object_domain, create_tombstone},
objects::{
check_object_domain,
create_tombstone,
get_source_markdown_value,
set_content_and_source,
},
FromApub,
NoteExt,
ToApub,
};
use activitystreams::{
object::{kind::NoteType, Note, Tombstone},
object::{kind::NoteType, ApObject, Note, Tombstone},
prelude::*,
};
use anyhow::Context;
@ -23,10 +29,10 @@ use url::Url;
#[async_trait::async_trait(?Send)]
impl ToApub for PrivateMessage {
type ApubType = Note;
type ApubType = NoteExt;
async fn to_apub(&self, pool: &DbPool) -> Result<Note, LemmyError> {
let mut private_message = Note::new();
async fn to_apub(&self, pool: &DbPool) -> Result<NoteExt, LemmyError> {
let mut private_message = ApObject::new(Note::new());
let creator_id = self.creator_id;
let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
@ -38,10 +44,11 @@ impl ToApub for PrivateMessage {
.set_context(activitystreams::context())
.set_id(Url::parse(&self.ap_id.to_owned())?)
.set_published(convert_datetime(self.published))
.set_content(self.content.to_owned())
.set_to(recipient.actor_id)
.set_attributed_to(creator.actor_id);
set_content_and_source(&mut private_message, &self.content)?;
if let Some(u) = self.updated {
private_message.set_updated(convert_datetime(u));
}
@ -56,10 +63,10 @@ impl ToApub for PrivateMessage {
#[async_trait::async_trait(?Send)]
impl FromApub for PrivateMessageForm {
type ApubType = Note;
type ApubType = NoteExt;
async fn from_apub(
note: &Note,
note: &NoteExt,
context: &LemmyContext,
expected_domain: Option<Url>,
request_counter: &mut i32,
@ -83,15 +90,12 @@ impl FromApub for PrivateMessageForm {
let ap_id = note.id_unchecked().context(location_info!())?.to_string();
check_is_apub_id_valid(&Url::parse(&ap_id)?)?;
let content = get_source_markdown_value(note)?.context(location_info!())?;
Ok(PrivateMessageForm {
creator_id: creator.id,
recipient_id: recipient.id,
content: note
.content()
.context(location_info!())?
.as_single_xsd_string()
.context(location_info!())?
.to_string(),
content,
published: note.published().map(|u| u.to_owned().naive_local()),
updated: note.updated().map(|u| u.to_owned().naive_local()),
deleted: None,

24
lemmy_apub/src/objects/user.rs
View file

@ -1,7 +1,13 @@
use crate::{objects::check_object_domain, ActorType, FromApub, PersonExt, ToApub};
use crate::{
objects::{check_object_domain, get_source_markdown_value, set_content_and_source},
ActorType,
FromApub,
PersonExt,
ToApub,
};
use activitystreams::{
actor::{ApActor, Endpoints, Person},
object::{Image, Tombstone},
object::{ApObject, Image, Tombstone},
prelude::*,
};
use activitystreams_ext::Ext1;
@ -24,7 +30,7 @@ impl ToApub for User_ {
type ApubType = PersonExt;
async fn to_apub(&self, _pool: &DbPool) -> Result<PersonExt, LemmyError> {
let mut person = Person::new();
let mut person = ApObject::new(Person::new());
person
.set_context(activitystreams::context())
.set_id(Url::parse(&self.actor_id)?)
@ -47,6 +53,8 @@ impl ToApub for User_ {
}
if let Some(bio) = &self.bio {
set_content_and_source(&mut person, bio)?;
// Also set summary for compatibility with older Lemmy versions. Remove this after a while.
person.set_summary(bio.to_owned());
}
@ -117,14 +125,8 @@ impl FromApub for UserForm {
.map(|n| n.to_owned().xsd_string())
.flatten();
// TODO a limit check (like the API does) might need to be done
// here when we federate to other platforms. Same for preferred_username
let bio = person
.inner
.summary()
.map(|s| s.as_single_xsd_string())
.flatten()
.map(|s| s.to_string());
let bio = get_source_markdown_value(person)?;
check_slurs(&name)?;
check_slurs_opt(&preferred_username)?;
check_slurs_opt(&bio)?;