mirror of
https://github.com/LemmyNet/activitypub-federation-rust.git
synced 2024-05-14 15:12:41 +00:00
c356265cf4
* Remove `actix-rt` and replace with tokio tasks * Include activity queue test * Use older `Arc` method * Refactor to not re-process PEM data on each request * Add retry queue and spawn tokio tasks directly * Fix doc error * Remove semaphore and use join set for backpressure * Fix debug issue with multiple mailboxes
98 lines
2.7 KiB
Rust
98 lines
2.7 KiB
Rust
use crate::{config::Data, error::Error, fetch::fetch_object_http, traits::Collection};
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use serde::{Deserialize, Serialize};
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use std::{
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fmt::{Debug, Display, Formatter},
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marker::PhantomData,
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};
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use url::Url;
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/// Typed wrapper for Activitypub Collection ID which helps with dereferencing.
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#[derive(Serialize, Deserialize)]
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#[serde(transparent)]
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pub struct CollectionId<Kind>(Box<Url>, PhantomData<Kind>)
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: Deserialize<'de2>;
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impl<Kind> CollectionId<Kind>
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: Deserialize<'de2>,
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{
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/// Construct a new CollectionId instance
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pub fn parse<T>(url: T) -> Result<Self, url::ParseError>
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where
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T: TryInto<Url>,
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url::ParseError: From<<T as TryInto<Url>>::Error>,
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{
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Ok(Self(Box::new(url.try_into()?), PhantomData::<Kind>))
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}
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/// Fetches collection over HTTP
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///
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/// Unlike [ObjectId::dereference](crate::fetch::object_id::ObjectId::dereference) this method doesn't do
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/// any caching.
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pub async fn dereference(
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&self,
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owner: &<Kind as Collection>::Owner,
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data: &Data<<Kind as Collection>::DataType>,
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) -> Result<Kind, <Kind as Collection>::Error>
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where
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<Kind as Collection>::Error: From<Error>,
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{
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let json = fetch_object_http(&self.0, data).await?;
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Kind::verify(&json, &self.0, data).await?;
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Kind::from_json(json, owner, data).await
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}
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}
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/// Need to implement clone manually, to avoid requiring Kind to be Clone
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impl<Kind> Clone for CollectionId<Kind>
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: serde::Deserialize<'de2>,
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{
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fn clone(&self) -> Self {
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CollectionId(self.0.clone(), self.1)
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}
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}
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impl<Kind> Display for CollectionId<Kind>
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: serde::Deserialize<'de2>,
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{
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0.as_str())
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}
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}
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impl<Kind> Debug for CollectionId<Kind>
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: serde::Deserialize<'de2>,
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{
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0.as_str())
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}
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}
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impl<Kind> From<CollectionId<Kind>> for Url
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where
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Kind: Collection,
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for<'de2> <Kind as Collection>::Kind: serde::Deserialize<'de2>,
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{
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fn from(id: CollectionId<Kind>) -> Self {
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*id.0
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}
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}
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impl<Kind> From<Url> for CollectionId<Kind>
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where
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Kind: Collection + Send + 'static,
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for<'de2> <Kind as Collection>::Kind: serde::Deserialize<'de2>,
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{
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fn from(url: Url) -> Self {
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CollectionId(Box::new(url), PhantomData::<Kind>)
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}
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}
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