lemmy/lemmy_apub/src/objects/user.rs

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use crate::{objects::check_object_domain, ActorType, FromApub, PersonExt, ToApub};
use activitystreams::{
actor::{ApActor, Endpoints, Person},
object::{Image, Tombstone},
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prelude::*,
};
use activitystreams_ext::Ext1;
use anyhow::Context;
use lemmy_db::{
naive_now,
user::{UserForm, User_},
DbPool,
};
use lemmy_utils::{
location_info,
utils::{check_slurs, check_slurs_opt, convert_datetime},
LemmyError,
};
use lemmy_websocket::LemmyContext;
use url::Url;
#[async_trait::async_trait(?Send)]
impl ToApub for User_ {
type Response = PersonExt;
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// Turn a Lemmy Community into an ActivityPub group that can be sent out over the network.
async fn to_apub(&self, _pool: &DbPool) -> Result<PersonExt, LemmyError> {
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// TODO go through all these to_string and to_owned()
let mut person = Person::new();
person
.set_context(activitystreams::context())
.set_id(Url::parse(&self.actor_id)?)
.set_name(self.name.to_owned())
.set_published(convert_datetime(self.published));
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if let Some(u) = self.updated {
person.set_updated(convert_datetime(u));
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}
if let Some(avatar_url) = &self.avatar {
let mut image = Image::new();
image.set_url(Url::parse(avatar_url)?);
person.set_icon(image.into_any_base()?);
}
if let Some(banner_url) = &self.banner {
let mut image = Image::new();
image.set_url(Url::parse(banner_url)?);
person.set_image(image.into_any_base()?);
}
if let Some(bio) = &self.bio {
person.set_summary(bio.to_owned());
}
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let mut ap_actor = ApActor::new(self.get_inbox_url()?, person);
ap_actor.set_endpoints(Endpoints {
shared_inbox: Some(self.get_shared_inbox_url()?),
..Default::default()
});
if let Some(i) = &self.preferred_username {
ap_actor.set_preferred_username(i.to_owned());
}
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Ok(Ext1::new(ap_actor, self.get_public_key_ext()?))
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}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
unimplemented!()
}
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}
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#[async_trait::async_trait(?Send)]
impl FromApub for UserForm {
type ApubType = PersonExt;
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/// Parse an ActivityPub person received from another instance into a Lemmy user.
async fn from_apub(
person: &PersonExt,
_context: &LemmyContext,
expected_domain: Option<Url>,
) -> Result<Self, LemmyError> {
let avatar = match person.icon() {
Some(any_image) => Some(
Image::from_any_base(any_image.as_one().context(location_info!())?.clone())?
.context(location_info!())?
.url()
.context(location_info!())?
.as_single_xsd_any_uri()
.map(|u| u.to_string()),
),
None => None,
};
let banner = match person.image() {
Some(any_image) => Some(
Image::from_any_base(any_image.as_one().context(location_info!())?.clone())
.context(location_info!())?
.context(location_info!())?
.url()
.context(location_info!())?
.as_single_xsd_any_uri()
.map(|u| u.to_string()),
),
None => None,
};
let name = person
.name()
.context(location_info!())?
.one()
.context(location_info!())?
.as_xsd_string()
.context(location_info!())?
.to_string();
let preferred_username = person.inner.preferred_username().map(|u| u.to_string());
// 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());
check_slurs(&name)?;
check_slurs_opt(&preferred_username)?;
check_slurs_opt(&bio)?;
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Ok(UserForm {
name,
preferred_username: Some(preferred_username),
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password_encrypted: "".to_string(),
admin: false,
banned: false,
email: None,
avatar,
banner,
published: person.inner.published().map(|u| u.to_owned().naive_local()),
updated: person.updated().map(|u| u.to_owned().naive_local()),
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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: Some(check_object_domain(person, expected_domain)?),
bio: Some(bio),
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local: false,
private_key: None,
public_key: Some(person.ext_one.public_key.to_owned().public_key_pem),
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last_refreshed_at: Some(naive_now()),
})
}
}