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Serve post data in apub format, some cleanup

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This commit is contained in:
Felix Ableitner 2020-03-16 19:19:04 +01:00
parent 05735b31c0
commit 5043a52b88
5 changed files with 74 additions and 32 deletions
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13
server/src/apub/community.rs
View file

@ -1,4 +1,4 @@
use crate::apub::{create_apub_response, make_apub_endpoint};
use crate::apub::{create_apub_response, make_apub_endpoint, EndpointType};
use crate::convert_datetime;
use crate::db::community::Community;
use crate::db::community_view::CommunityFollowerView;
@ -28,7 +28,7 @@ pub async fn get_apub_community(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let community = Community::read_from_name(&&db.get()?, info.community_name.to_owned())?;
let base_url = make_apub_endpoint("c", &community.name);
let base_url = make_apub_endpoint(EndpointType::Community, &community.name);
let mut group = Group::default();
let oprops: &mut ObjectProperties = group.as_mut();
@ -38,7 +38,10 @@ pub async fn get_apub_community(
.set_id(base_url.to_owned())?
.set_name_xsd_string(community.title.to_owned())?
.set_published(convert_datetime(community.published))?
.set_attributed_to_xsd_any_uri(make_apub_endpoint("u", &community.creator_id))?;
.set_attributed_to_xsd_any_uri(make_apub_endpoint(
EndpointType::User,
&community.creator_id.to_string(),
))?;
if let Some(u) = community.updated.to_owned() {
oprops.set_updated(convert_datetime(u))?;
@ -61,7 +64,7 @@ pub async fn get_apub_community_followers(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let community = Community::read_from_name(&&db.get()?, info.community_name.to_owned())?;
let base_url = make_apub_endpoint("c", &community.name);
let base_url = make_apub_endpoint(EndpointType::Community, &community.name);
let connection = establish_unpooled_connection();
//As we are an object, we validated that the community id was valid
@ -84,7 +87,7 @@ pub async fn get_apub_community_outbox(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let community = Community::read_from_name(&&db.get()?, info.community_name.to_owned())?;
let base_url = make_apub_endpoint("c", &community.name);
let base_url = make_apub_endpoint(EndpointType::Community, &community.name);
let connection = establish_unpooled_connection();
//As we are an object, we validated that the community id was valid

19
server/src/apub/mod.rs
View file

@ -6,7 +6,6 @@ use crate::Settings;
use actix_web::body::Body;
use actix_web::HttpResponse;
use std::fmt::Display;
use url::Url;
fn create_apub_response(json_data: String) -> HttpResponse<Body> {
@ -15,15 +14,25 @@ fn create_apub_response(json_data: String) -> HttpResponse<Body> {
.body(json_data)
}
// TODO: this should take an enum community/user/post for `point`
// TODO: also not sure what exactly `value` should be (numeric id, name string, ...)
fn make_apub_endpoint<S: Display, T: Display>(point: S, value: T) -> Url {
enum EndpointType {
Community,
User,
Post,
}
fn make_apub_endpoint(endpoint_type: EndpointType, name: &str) -> Url {
let point = match endpoint_type {
EndpointType::Community => "c",
EndpointType::User => "u",
EndpointType::Post => "p",
};
Url::parse(&format!(
"{}://{}/federation/{}/{}",
get_apub_protocol_string(),
Settings::get().hostname,
point,
value
name
))
.unwrap()
}

41
server/src/apub/post.rs
View file

@ -1,12 +1,35 @@
use crate::apub::make_apub_endpoint;
use crate::apub::{create_apub_response, make_apub_endpoint, EndpointType};
use crate::convert_datetime;
use crate::db::post_view::PostView;
use activitystreams::{object::apub::Page, object::properties::ObjectProperties};
use actix_web::body::Body;
use actix_web::web::Path;
use actix_web::{web, HttpResponse};
use diesel::r2d2::{ConnectionManager, Pool};
use diesel::PgConnection;
use failure::Error;
use serde::Deserialize;
#[derive(Deserialize)]
pub struct PostQuery {
post_id: String,
}
pub async fn get_apub_post(
info: Path<PostQuery>,
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let id = info.post_id.parse::<i32>()?;
// TODO: shows error: missing field `user_name`
let post = PostView::read(&&db.get()?, id, None)?;
Ok(create_apub_response(serde_json::to_string(
&post.as_page()?,
)?))
}
impl PostView {
pub fn as_page(&self) -> Result<Page, Error> {
let base_url = make_apub_endpoint("post", self.id);
let base_url = make_apub_endpoint(EndpointType::Post, &self.id.to_string());
let mut page = Page::default();
let oprops: &mut ObjectProperties = page.as_mut();
@ -16,16 +39,20 @@ impl PostView {
.set_id(base_url)?
.set_name_xsd_string(self.name.to_owned())?
.set_published(convert_datetime(self.published))?
.set_attributed_to_xsd_any_uri(make_apub_endpoint("u", &self.creator_id))?;
.set_attributed_to_xsd_any_uri(make_apub_endpoint(
EndpointType::User,
&self.creator_id.to_string(),
))?;
if let Some(body) = &self.body {
oprops.set_content_xsd_string(body.to_owned())?;
}
// TODO: hacky code because we get self.url == Some("")
let url = self.url.as_ref();
if url.is_some() && !url.unwrap().is_empty() {
oprops.set_url_xsd_any_uri(url.unwrap().to_owned())?;
// https://github.com/dessalines/lemmy/issues/602
let url = self.url.as_ref().filter(|u| !u.is_empty());
if let Some(u) = url {
oprops.set_url_xsd_any_uri(u.to_owned())?;
}
if let Some(u) = self.updated {
@ -35,5 +62,3 @@ impl PostView {
Ok(page)
}
}
// TODO: need to serve this via actix

29
server/src/apub/user.rs
View file

@ -1,15 +1,15 @@
use crate::apub::{make_apub_endpoint, create_apub_response};
use crate::apub::{create_apub_response, make_apub_endpoint, EndpointType};
use crate::convert_datetime;
use crate::db::user::User_;
use activitystreams::{actor::apub::Person, context, object::properties::ObjectProperties};
use actix_web::body::Body;
use actix_web::web::Path;
use actix_web::HttpResponse;
use failure::Error;
use serde::Deserialize;
use actix_web::{web, Result};
use diesel::r2d2::{ConnectionManager, Pool};
use diesel::PgConnection;
use actix_web::{web, Result};
use failure::Error;
use serde::Deserialize;
#[derive(Deserialize)]
pub struct UserQuery {
@ -18,16 +18,17 @@ pub struct UserQuery {
pub async fn get_apub_user(
info: Path<UserQuery>,
db: web::Data<Pool<ConnectionManager<PgConnection>>>,) -> Result<HttpResponse<Body>, Error> {
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let user = User_::find_by_email_or_username(&&db.get()?, &info.user_name)?;
let base_url = make_apub_endpoint("u", &user.name);
let base_url = make_apub_endpoint(EndpointType::User, &user.name);
let mut person = Person::default();
let oprops: &mut ObjectProperties = person.as_mut();
oprops
.set_context_xsd_any_uri(context())?
.set_id(base_url.to_string())?
.set_published(convert_datetime(user.published))?;
.set_context_xsd_any_uri(context())?
.set_id(base_url.to_string())?
.set_published(convert_datetime(user.published))?;
if let Some(u) = user.updated {
oprops.set_updated(convert_datetime(u))?;
@ -38,11 +39,11 @@ pub async fn get_apub_user(
}
person
.ap_actor_props
.set_inbox(format!("{}/inbox", &base_url))?
.set_outbox(format!("{}/outbox", &base_url))?
.set_following(format!("{}/following", &base_url))?
.set_liked(format!("{}/liked", &base_url))?;
.ap_actor_props
.set_inbox(format!("{}/inbox", &base_url))?
.set_outbox(format!("{}/outbox", &base_url))?
.set_following(format!("{}/following", &base_url))?
.set_liked(format!("{}/liked", &base_url))?;
Ok(create_apub_response(serde_json::to_string(&person)?))
}

4
server/src/routes/federation.rs
View file

@ -28,6 +28,10 @@ pub fn config(cfg: &mut web::ServiceConfig) {
"/federation/u/{user_name}",
web::get().to(apub::user::get_apub_user),
)
.route(
"/federation/p/{post_id}",
web::get().to(apub::user::get_apub_user),
)
// TODO: we should be able to remove this but somehow that breaks the remote community list
.route(
"/api/v1/communities/list",