140 lines
3.8 KiB
Rust
140 lines
3.8 KiB
Rust
use crate::{activities::create_post::CreatePost, database::DatabaseHandle, error::Error};
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use activitypub_federation::{
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config::Data,
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fetch::object_id::ObjectId,
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http_signatures::generate_actor_keypair,
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kinds::actor::PersonType,
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protocol::{public_key::PublicKey, verification::verify_domains_match},
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traits::{ActivityHandler, Actor, Object},
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};
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use chrono::{DateTime, Utc};
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use serde::{Deserialize, Serialize};
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use std::fmt::Debug;
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use url::Url;
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#[derive(Debug, Clone)]
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pub struct DbUser {
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pub name: String,
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pub ap_id: ObjectId<DbUser>,
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pub inbox: Url,
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// exists for all users (necessary to verify http signatures)
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pub public_key: String,
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// exists only for local users
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pub private_key: Option<String>,
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last_refreshed_at: DateTime<Utc>,
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pub followers: Vec<Url>,
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pub local: bool,
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}
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/// List of all activities which this actor can receive.
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#[derive(Deserialize, Serialize, Debug)]
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#[serde(untagged)]
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#[enum_delegate::implement(ActivityHandler)]
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pub enum PersonAcceptedActivities {
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CreateNote(CreatePost),
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}
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impl DbUser {
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pub fn new(hostname: &str, name: &str) -> Result<DbUser, Error> {
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let ap_id = Url::parse(&format!("https://{}/{}", hostname, &name))?.into();
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let inbox = Url::parse(&format!("https://{}/{}/inbox", hostname, &name))?;
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let keypair = generate_actor_keypair()?;
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Ok(DbUser {
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name: name.to_string(),
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ap_id,
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inbox,
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public_key: keypair.public_key,
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private_key: Some(keypair.private_key),
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last_refreshed_at: Utc::now(),
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followers: vec![],
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local: true,
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})
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}
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct Person {
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#[serde(rename = "type")]
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kind: PersonType,
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preferred_username: String,
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id: ObjectId<DbUser>,
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inbox: Url,
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public_key: PublicKey,
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}
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#[async_trait::async_trait]
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impl Object for DbUser {
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type DataType = DatabaseHandle;
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type Kind = Person;
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type Error = Error;
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fn last_refreshed_at(&self) -> Option<DateTime<Utc>> {
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Some(self.last_refreshed_at)
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}
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async fn read_from_id(
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object_id: Url,
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data: &Data<Self::DataType>,
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) -> Result<Option<Self>, Self::Error> {
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let users = data.users.lock().unwrap();
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let res = users
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.clone()
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.into_iter()
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.find(|u| u.ap_id.inner() == &object_id);
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Ok(res)
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}
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async fn into_json(self, _data: &Data<Self::DataType>) -> Result<Self::Kind, Self::Error> {
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Ok(Person {
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preferred_username: self.name.clone(),
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kind: Default::default(),
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id: self.ap_id.clone(),
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inbox: self.inbox.clone(),
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public_key: self.public_key(),
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})
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}
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async fn verify(
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json: &Self::Kind,
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expected_domain: &Url,
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_data: &Data<Self::DataType>,
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) -> Result<(), Self::Error> {
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verify_domains_match(json.id.inner(), expected_domain)?;
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Ok(())
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}
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async fn from_json(
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json: Self::Kind,
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_data: &Data<Self::DataType>,
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) -> Result<Self, Self::Error> {
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Ok(DbUser {
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name: json.preferred_username,
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ap_id: json.id,
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inbox: json.inbox,
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public_key: json.public_key.public_key_pem,
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private_key: None,
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last_refreshed_at: Utc::now(),
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followers: vec![],
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local: false,
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})
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}
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}
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impl Actor for DbUser {
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fn id(&self) -> Url {
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self.ap_id.inner().clone()
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}
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fn public_key_pem(&self) -> &str {
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&self.public_key
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}
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fn private_key_pem(&self) -> Option<String> {
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self.private_key.clone()
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}
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fn inbox(&self) -> Url {
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self.inbox.clone()
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}
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}
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