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Remove AsObject

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This commit is contained in:
Kitaiti Makoto
2022-05-02 17:38:08 +09:00
parent d8a2e1925f
commit 33afe9111e
7 changed files with 6 additions and 470 deletions
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plume-common/src/activity_pub/inbox.rs
-196
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@@ -519,146 +519,6 @@ pub trait AsActor<C> {
/// }
/// }
/// ```
pub trait AsObject<A, V, C>
where
V: activitypub::Activity,
{
/// What kind of error is returned when something fails
type Error;
/// What is returned by `AsObject::activity`, if anything is returned
type Output = ();
/// Handle a specific type of activity dealing with this type of objects.
///
/// The implementations should check that the actor is actually authorized
/// to perform this action.
///
/// # Parameters
///
/// - `self`: the object on which the activity acts
/// - `ctx`: the context passed to `Inbox::handle`
/// - `actor`: the actor who did this activity
/// - `id`: the ID of this activity
fn activity(self, ctx: C, actor: A, id: &str) -> Result<Self::Output, Self::Error>;
}
/// Should be implemented by anything representing an ActivityPub object.
///
/// # Type parameters
///
/// - `A`: the actor type
/// - `V`: the ActivityPub verb/activity
/// - `O`: the ActivityPub type of the Object for this activity (usually the type corresponding to `Self`)
/// - `C`: the context needed to handle the activity (usually a database connection)
///
/// # Example
///
/// An implementation of AsObject that handles Note creation by an Account model,
/// representing the Note by a Message type, without any specific context.
///
/// ```rust
/// # extern crate activitypub;
/// # use activitypub::{activity::Create, actor::Person, object::Note};
/// # use plume_common::activity_pub::inbox::{AsActor, AsObject, FromId};
/// # use plume_common::activity_pub::sign::{gen_keypair, Error as SignError, Result as SignResult, Signer};
/// # use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
/// # use once_cell::sync::Lazy;
/// #
/// # static MY_SIGNER: Lazy<MySigner> = Lazy::new(|| MySigner::new());
/// #
/// # struct MySigner {
/// # public_key: String,
/// # private_key: String,
/// # }
/// #
/// # impl MySigner {
/// # fn new() -> Self {
/// # let (pub_key, priv_key) = gen_keypair();
/// # Self {
/// # public_key: String::from_utf8(pub_key).unwrap(),
/// # private_key: String::from_utf8(priv_key).unwrap(),
/// # }
/// # }
/// # }
/// #
/// # impl Signer for MySigner {
/// # fn get_key_id(&self) -> String {
/// # "mysigner".into()
/// # }
/// #
/// # fn sign(&self, to_sign: &str) -> SignResult<Vec<u8>> {
/// # let key = PKey::from_rsa(Rsa::private_key_from_pem(self.private_key.as_ref()).unwrap())
/// # .unwrap();
/// # let mut signer = openssl::sign::Signer::new(MessageDigest::sha256(), &key).unwrap();
/// # signer.update(to_sign.as_bytes()).unwrap();
/// # signer.sign_to_vec().map_err(|_| SignError())
/// # }
/// #
/// # fn verify(&self, data: &str, signature: &[u8]) -> SignResult<bool> {
/// # let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref()).unwrap())
/// # .unwrap();
/// # let mut verifier = openssl::sign::Verifier::new(MessageDigest::sha256(), &key).unwrap();
/// # verifier.update(data.as_bytes()).unwrap();
/// # verifier.verify(&signature).map_err(|_| SignError())
/// # }
/// # }
/// #
/// # struct Account;
/// # impl FromId<()> for Account {
/// # type Error = ();
/// # type Object = Person;
/// #
/// # fn from_db(_: &(), _id: &str) -> Result<Self, Self::Error> {
/// # Ok(Account)
/// # }
/// #
/// # fn from_activity(_: &(), obj: Person) -> Result<Self, Self::Error> {
/// # Ok(Account)
/// # }
/// #
/// # fn get_sender() -> &'static dyn Signer {
/// # &*MY_SIGNER
/// # }
/// # }
/// # impl AsActor<()> for Account {
/// # fn get_inbox_url(&self) -> String {
/// # String::new()
/// # }
/// # fn is_local(&self) -> bool { false }
/// # }
/// #[derive(Debug)]
/// struct Message {
/// text: String,
/// }
///
/// impl FromId<()> for Message {
/// type Error = ();
/// type Object = Note;
///
/// fn from_db(_: &(), _id: &str) -> Result<Self, Self::Error> {
/// Ok(Message { text: "From DB".into() })
/// }
///
/// fn from_activity(_: &(), obj: Note) -> Result<Self, Self::Error> {
/// Ok(Message { text: obj.object_props.content_string().map_err(|_| ())? })
/// }
///
/// fn get_sender() -> &'static dyn Signer {
/// &*MY_SIGNER
/// }
/// }
///
/// impl AsObject<Account, Create, ()> for Message {
/// type Error = ();
/// type Output = ();
///
/// fn activity(self, _: (), _actor: Account, _id: &str) -> Result<(), ()> {
/// println!("New Note: {:?}", self);
/// Ok(())
/// }
/// }
/// ```
pub trait AsObject07<A, V, C>
where
V: activitystreams::markers::Activity,
@@ -769,47 +629,6 @@ mod tests {
}
}
struct MyObject;
impl AsObject<MyActor, Create, &()> for MyObject {
type Error = ();
type Output = ();
fn activity(self, _: &(), _actor: MyActor, _id: &str) -> Result<Self::Output, Self::Error> {
println!("MyActor is creating a Note");
Ok(())
}
}
impl AsObject<MyActor, Like, &()> for MyObject {
type Error = ();
type Output = ();
fn activity(self, _: &(), _actor: MyActor, _id: &str) -> Result<Self::Output, Self::Error> {
println!("MyActor is liking a Note");
Ok(())
}
}
impl AsObject<MyActor, Delete, &()> for MyObject {
type Error = ();
type Output = ();
fn activity(self, _: &(), _actor: MyActor, _id: &str) -> Result<Self::Output, Self::Error> {
println!("MyActor is deleting a Note");
Ok(())
}
}
impl AsObject<MyActor, Announce, &()> for MyObject {
type Error = ();
type Output = ();
fn activity(self, _: &(), _actor: MyActor, _id: &str) -> Result<Self::Output, Self::Error> {
println!("MyActor is announcing a Note");
Ok(())
}
}
struct MyObject07;
impl FromId<()> for MyObject07 {
type Error = ();
@@ -962,21 +781,6 @@ mod tests {
}
}
impl AsObject<FailingActor, Create, &()> for MyObject {
type Error = ();
type Output = ();
fn activity(
self,
_: &(),
_actor: FailingActor,
_id: &str,
) -> Result<Self::Output, Self::Error> {
println!("FailingActor is creating a Note");
Ok(())
}
}
impl FromId<()> for FailingActor {
type Error = ();
type Object = Person07;