lemmy/server/src/apub/user.rs

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use crate::apub::signatures::PublicKey;
use crate::apub::{create_apub_response, PersonExt};
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use crate::db::user::{UserForm, User_};
use crate::{convert_datetime, naive_now};
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use activitystreams::{
actor::{properties::ApActorProperties, Person},
context,
ext::Extensible,
object::properties::ObjectProperties,
};
use actix_web::body::Body;
use actix_web::web::Path;
use actix_web::HttpResponse;
use actix_web::{web, Result};
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use diesel::r2d2::{ConnectionManager, Pool};
use diesel::PgConnection;
use failure::Error;
use serde::Deserialize;
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#[derive(Deserialize)]
pub struct UserQuery {
user_name: String,
}
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// Turn a Lemmy user into an ActivityPub person and return it as json.
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pub async fn get_apub_user(
info: Path<UserQuery>,
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
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let user = User_::find_by_email_or_username(&&db.get()?, &info.user_name)?;
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let mut person = Person::default();
let oprops: &mut ObjectProperties = person.as_mut();
oprops
.set_context_xsd_any_uri(context())?
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.set_id(user.actor_id.to_string())?
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.set_name_xsd_string(user.name.to_owned())?
.set_published(convert_datetime(user.published))?;
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if let Some(u) = user.updated {
oprops.set_updated(convert_datetime(u))?;
}
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if let Some(i) = &user.preferred_username {
oprops.set_name_xsd_string(i.to_owned())?;
}
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let mut actor_props = ApActorProperties::default();
actor_props
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.set_inbox(format!("{}/inbox", &user.actor_id))?
.set_outbox(format!("{}/outbox", &user.actor_id))?
.set_following(format!("{}/following", &user.actor_id))?
.set_liked(format!("{}/liked", &user.actor_id))?;
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let public_key = PublicKey {
id: format!("{}#main-key", user.actor_id),
owner: user.actor_id.to_owned(),
public_key_pem: user.public_key.unwrap(),
};
Ok(create_apub_response(
&person.extend(actor_props).extend(public_key.to_ext()),
))
}
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impl UserForm {
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/// Parse an ActivityPub person received from another instance into a Lemmy user.
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pub fn from_person(person: &PersonExt) -> Result<Self, Error> {
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let oprops = &person.base.base.object_props;
let aprops = &person.base.extension;
let public_key: &PublicKey = &person.extension.public_key;
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Ok(UserForm {
name: oprops.get_name_xsd_string().unwrap().to_string(),
preferred_username: aprops.get_preferred_username().map(|u| u.to_string()),
password_encrypted: "".to_string(),
admin: false,
banned: false,
email: None,
avatar: None, // -> icon, image
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updated: oprops
.get_updated()
.map(|u| u.as_ref().to_owned().naive_local()),
show_nsfw: false,
theme: "".to_string(),
default_sort_type: 0,
default_listing_type: 0,
lang: "".to_string(),
show_avatars: false,
send_notifications_to_email: false,
matrix_user_id: None,
actor_id: oprops.get_id().unwrap().to_string(),
bio: oprops.get_summary_xsd_string().map(|s| s.to_string()),
local: false,
private_key: None,
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public_key: Some(public_key.to_owned().public_key_pem),
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last_refreshed_at: Some(naive_now()),
})
}
}