Merge pull request 'Upgrade activitystreams to 0.7, again' (#1022) from ap07 into main

Reviewed-on: https://git.joinplu.me/Plume/Plume/pulls/1022

CHANGELOG.md

@@ -14,6 +14,7 @@
 - Bump Rust to nightly 2022-01-26 (#1015)
 - Remove "Latest articles" timeline (#1069)
 - Change order of timeline tabs (#1069, #1070, #1072)
+- Migrate ActivityPub-related crates from activitypub 0.1 to activitystreams 0.7
 
 ### Fixed
 

Cargo.toml

@@ -6,7 +6,6 @@ repository = "https://github.com/Plume-org/Plume"
 edition = "2018"
 
 [dependencies]
-activitypub = "0.1.3"
 atom_syndication = "0.11.0"
 clap = "2.33"
 dotenv = "0.15.0"
@@ -28,6 +27,7 @@ webfinger = "0.4.1"
 tracing = "0.1.34"
 tracing-subscriber = "0.3.10"
 riker = "0.4.2"
+activitystreams = "0.7.0-alpha.18"
 
 [[bin]]
 name = "plume"

plume-common/Cargo.toml

@@ -5,9 +5,6 @@ authors = ["Plume contributors"]
 edition = "2018"
 
 [dependencies]
-activitypub = "0.1.1"
-activitystreams-derive = "0.1.1"
-activitystreams-traits = "0.1.0"
 array_tool = "1.0"
 base64 = "0.13"
 heck = "0.4.0"
@@ -23,6 +20,8 @@ syntect = "4.5.0"
 regex-syntax = { version = "0.6.17", default-features = false, features = ["unicode-perl"] }
 tracing = "0.1.34"
 askama_escape = "0.10.3"
+activitystreams = "0.7.0-alpha.18"
+activitystreams-ext = "0.1.0-alpha.2"
 url = "2.2.2"
 flume = "0.10.12"
 tokio = { version = "1.18.1", features = ["full"] }
@@ -38,6 +37,7 @@ git = "https://git.joinplu.me/Plume/pulldown-cmark"
 branch = "bidi-plume"
 
 [dev-dependencies]
+assert-json-diff = "2.0.1"
 once_cell = "1.10.0"
 
 [features]

plume-common/src/activity_pub/inbox.rs

@@ -10,8 +10,7 @@ use super::{request, sign::Signer};
 /// # Example
 ///
 /// ```rust
-/// # extern crate activitypub;
+/// # use activitystreams::{prelude::*, base::Base, actor::Person, activity::{Announce, Create}, object::Note, iri_string::types::IriString};
-/// # use activitypub::{actor::Person, activity::{Announce, Create}, object::Note};
 /// # use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
 /// # use once_cell::sync::Lazy;
 /// # use plume_common::activity_pub::inbox::*;
@@ -113,12 +112,13 @@ use super::{request, sign::Signer};
 /// #     }
 /// # }
 /// #
-/// # let mut act = Create::default();
+/// # let mut person = Person::new();
-/// # act.object_props.set_id_string(String::from("https://test.ap/activity")).unwrap();
+/// # person.set_id("https://test.ap/actor".parse::<IriString>().unwrap());
-/// # let mut person = Person::default();
+/// # let mut act = Create::new(
-/// # person.object_props.set_id_string(String::from("https://test.ap/actor")).unwrap();
+/// #     Base::retract(person).unwrap().into_generic().unwrap(),
-/// # act.create_props.set_actor_object(person).unwrap();
+/// #     Base::retract(Note::new()).unwrap().into_generic().unwrap()
-/// # act.create_props.set_object_object(Note::default()).unwrap();
+/// # );
+/// # act.set_id("https://test.ap/activity".parse::<IriString>().unwrap());
 /// # let activity_json = serde_json::to_value(act).unwrap();
 /// #
 /// # let conn = ();
@@ -197,29 +197,29 @@ where
     }
 
     /// Registers an handler on this Inbox.
-    pub fn with<A, V, M>(self, proxy: Option<&reqwest::Proxy>) -> Inbox<'a, C, E, R>
+    pub fn with<A, V, M>(self, proxy: Option<&reqwest::Proxy>) -> Self
     where
         A: AsActor<&'a C> + FromId<C, Error = E>,
-        V: activitypub::Activity,
+        V: activitystreams::markers::Activity + serde::de::DeserializeOwned,
         M: AsObject<A, V, &'a C, Error = E> + FromId<C, Error = E>,
         M::Output: Into<R>,
     {
-        if let Inbox::NotHandled(ctx, mut act, e) = self {
+        if let Self::NotHandled(ctx, mut act, e) = self {
             if serde_json::from_value::<V>(act.clone()).is_ok() {
                 let act_clone = act.clone();
                 let act_id = match act_clone["id"].as_str() {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidID),
+                    None => return Self::NotHandled(ctx, act, InboxError::InvalidID),
                 };
 
                 // Get the actor ID
                 let actor_id = match get_id(act["actor"].clone()) {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidActor(None)),
+                    None => return Self::NotHandled(ctx, act, InboxError::InvalidActor(None)),
                 };
 
                 if Self::is_spoofed_activity(&actor_id, &act) {
-                    return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(None));
+                    return Self::NotHandled(ctx, act, InboxError::InvalidObject(None));
                 }
 
                 // Transform this actor to a model (see FromId for details about the from_id function)
@@ -235,14 +235,14 @@ where
                         if let Some(json) = json {
                             act["actor"] = json;
                         }
-                        return Inbox::NotHandled(ctx, act, InboxError::InvalidActor(Some(e)));
+                        return Self::NotHandled(ctx, act, InboxError::InvalidActor(Some(e)));
                     }
                 };
 
                 // Same logic for "object"
                 let obj_id = match get_id(act["object"].clone()) {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(None)),
+                    None => return Self::NotHandled(ctx, act, InboxError::InvalidObject(None)),
                 };
                 let obj = match M::from_id(
                     ctx,
@@ -255,19 +255,19 @@ where
                         if let Some(json) = json {
                             act["object"] = json;
                         }
-                        return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(Some(e)));
+                        return Self::NotHandled(ctx, act, InboxError::InvalidObject(Some(e)));
                     }
                 };
 
                 // Handle the activity
                 match obj.activity(ctx, actor, act_id) {
-                    Ok(res) => Inbox::Handled(res.into()),
+                    Ok(res) => Self::Handled(res.into()),
-                    Err(e) => Inbox::Failed(e),
+                    Err(e) => Self::Failed(e),
                 }
             } else {
                 // If the Activity type is not matching the expected one for
                 // this handler, try with the next one.
-                Inbox::NotHandled(ctx, act, e)
+                Self::NotHandled(ctx, act, e)
             }
         } else {
             self
@@ -333,7 +333,7 @@ pub trait FromId<C>: Sized {
     type Error: From<InboxError<Self::Error>> + Debug;
 
     /// The ActivityPub object type representing Self
-    type Object: activitypub::Object;
+    type Object: activitystreams::markers::Object + serde::de::DeserializeOwned;
 
     /// Tries to get an instance of `Self` from an ActivityPub ID.
     ///
@@ -418,8 +418,7 @@ pub trait AsActor<C> {
 /// representing the Note by a Message type, without any specific context.
 ///
 /// ```rust
-/// # extern crate activitypub;
+/// # use activitystreams::{prelude::*, activity::Create, actor::Person, object::Note};
-/// # 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};
@@ -501,7 +500,10 @@ pub trait AsActor<C> {
 ///     }
 ///
 ///     fn from_activity(_: &(), obj: Note) -> Result<Self, Self::Error> {
-///         Ok(Message { text: obj.object_props.content_string().map_err(|_| ())? })
+///         Ok(Message {
+///             text: obj.content()
+///                 .and_then(|content| content.to_owned().single_xsd_string()).ok_or(())?
+///         })
 ///     }
 ///
 ///     fn get_sender() -> &'static dyn Signer {
@@ -521,7 +523,7 @@ pub trait AsActor<C> {
 /// ```
 pub trait AsObject<A, V, C>
 where
-    V: activitypub::Activity,
+    V: activitystreams::markers::Activity,
 {
     /// What kind of error is returned when something fails
     type Error;
@@ -549,7 +551,13 @@ mod tests {
     use crate::activity_pub::sign::{
         gen_keypair, Error as SignError, Result as SignResult, Signer,
     };
-    use activitypub::{activity::*, actor::Person, object::Note};
+    use activitystreams::{
+        activity::{Announce, Create, Delete, Like},
+        actor::Person,
+        base::Base,
+        object::Note,
+        prelude::*,
+    };
     use once_cell::sync::Lazy;
     use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
 
@@ -598,11 +606,11 @@ mod tests {
         type Object = Person;
 
         fn from_db(_: &(), _id: &str) -> Result<Self, Self::Error> {
-            Ok(MyActor)
+            Ok(Self)
         }
 
         fn from_activity(_: &(), _obj: Person) -> Result<Self, Self::Error> {
-            Ok(MyActor)
+            Ok(Self)
         }
 
         fn get_sender() -> &'static dyn Signer {
@@ -626,11 +634,11 @@ mod tests {
         type Object = Note;
 
         fn from_db(_: &(), _id: &str) -> Result<Self, Self::Error> {
-            Ok(MyObject)
+            Ok(Self)
         }
 
         fn from_activity(_: &(), _obj: Note) -> Result<Self, Self::Error> {
-            Ok(MyObject)
+            Ok(Self)
         }
 
         fn get_sender() -> &'static dyn Signer {
@@ -678,21 +686,15 @@ mod tests {
     }
 
     fn build_create() -> Create {
-        let mut act = Create::default();
+        let mut person = Person::new();
-        act.object_props
+        person.set_id("https://test.ap/actor".parse().unwrap());
-            .set_id_string(String::from("https://test.ap/activity"))
+        let mut note = Note::new();
-            .unwrap();
+        note.set_id("https://test.ap/note".parse().unwrap());
-        let mut person = Person::default();
+        let mut act = Create::new(
-        person
+            Base::retract(person).unwrap().into_generic().unwrap(),
-            .object_props
+            Base::retract(note).unwrap().into_generic().unwrap(),
-            .set_id_string(String::from("https://test.ap/actor"))
+        );
-            .unwrap();
+        act.set_id("https://test.ap/activity".parse().unwrap());
-        act.create_props.set_actor_object(person).unwrap();
-        let mut note = Note::default();
-        note.object_props
-            .set_id_string(String::from("https://test.ap/note"))
-            .unwrap();
-        act.create_props.set_object_object(note).unwrap();
         act
     }
 
@@ -729,6 +731,16 @@ mod tests {
     }
 
     struct FailingActor;
+    impl AsActor<&()> for FailingActor {
+        fn get_inbox_url(&self) -> String {
+            String::from("https://test.ap/failing-actor/inbox")
+        }
+
+        fn is_local(&self) -> bool {
+            false
+        }
+    }
+
     impl FromId<()> for FailingActor {
         type Error = ();
         type Object = Person;
@@ -737,7 +749,7 @@ mod tests {
             Err(())
         }
 
-        fn from_activity(_: &(), _obj: Person) -> Result<Self, Self::Error> {
+        fn from_activity(_: &(), _obj: Self::Object) -> Result<Self, Self::Error> {
             Err(())
         }
 
@@ -745,15 +757,6 @@ mod tests {
             &*MY_SIGNER
         }
     }
-    impl AsActor<&()> for FailingActor {
-        fn get_inbox_url(&self) -> String {
-            String::from("https://test.ap/failing-actor/inbox")
-        }
-
-        fn is_local(&self) -> bool {
-            false
-        }
-    }
 
     impl AsObject<FailingActor, Create, &()> for MyObject {
         type Error = ();

plume-common/src/activity_pub/mod.rs

@@ -1,4 +1,14 @@
-use activitypub::{Activity, Link, Object};
+use activitystreams::{
+    actor::{ApActor, Group, Person},
+    base::{AnyBase, Base, Extends},
+    iri_string::types::IriString,
+    kind,
+    markers::{self, Activity},
+    object::{ApObject, Article, Object},
+    primitives::{AnyString, OneOrMany},
+    unparsed::UnparsedMutExt,
+};
+use activitystreams_ext::{Ext1, Ext2, UnparsedExtension};
 use array_tool::vec::Uniq;
 use futures::future::join_all;
 use reqwest::{header::HeaderValue, ClientBuilder, RequestBuilder, Url};
@@ -67,7 +77,7 @@ impl<T> ActivityStream<T> {
     }
 }
 
-impl<'r, O: Object> Responder<'r> for ActivityStream<O> {
+impl<'r, O: serde::Serialize> Responder<'r> for ActivityStream<O> {
     fn respond_to(self, request: &Request<'_>) -> Result<Response<'r>, Status> {
         let mut json = serde_json::to_value(&self.0).map_err(|_| Status::InternalServerError)?;
         json["@context"] = context();
@@ -114,10 +124,11 @@ impl<'a, 'r> FromRequest<'a, 'r> for ApRequest {
             .unwrap_or(Outcome::Forward(()))
     }
 }
+
 pub fn broadcast<S, A, T, C>(sender: &S, act: A, to: Vec<T>, proxy: Option<reqwest::Proxy>)
 where
     S: sign::Signer,
-    A: Activity,
+    A: Activity + serde::Serialize,
     T: inbox::AsActor<C>,
 {
     let boxes = to
@@ -198,15 +209,12 @@ where
             }
             headers.insert("Host", host_header_value.unwrap());
             headers.insert("Digest", request::Digest::digest(&body));
-            let request_builder = client
+            headers.insert(
-                .post(&inbox)
-                .headers(headers.clone())
-                .header(
                 "Signature",
                 request::signature(sender, &headers, ("post", url.path(), url.query()))
                     .expect("activity_pub::broadcast: request signature error"),
-                )
+            );
-                .body(body);
+            let request_builder = client.post(&inbox).headers(headers.clone()).body(body);
             let _ = tx.send_async(request_builder).await;
         }
         drop(tx);
@@ -233,46 +241,193 @@ pub trait IntoId {
     fn into_id(self) -> Id;
 }
 
-impl Link for Id {}
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
-
-#[derive(Clone, Debug, Default, Deserialize, Serialize, Properties)]
 #[serde(rename_all = "camelCase")]
 pub struct ApSignature {
-    #[activitystreams(concrete(PublicKey), functional)]
+    pub public_key: PublicKey,
-    pub public_key: Option<serde_json::Value>,
 }
 
-#[derive(Clone, Debug, Default, Deserialize, Serialize, Properties)]
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
 pub struct PublicKey {
-    #[activitystreams(concrete(String), functional)]
+    pub id: IriString,
-    pub id: Option<serde_json::Value>,
+    pub owner: IriString,
-
+    pub public_key_pem: String,
-    #[activitystreams(concrete(String), functional)]
-    pub owner: Option<serde_json::Value>,
-
-    #[activitystreams(concrete(String), functional)]
-    pub public_key_pem: Option<serde_json::Value>,
 }
 
-#[derive(Clone, Debug, Default, UnitString)]
+impl<U> UnparsedExtension<U> for ApSignature
-#[activitystreams(Hashtag)]
+where
-pub struct HashtagType;
+    U: UnparsedMutExt,
+{
+    type Error = serde_json::Error;
 
-#[derive(Clone, Debug, Default, Deserialize, Serialize, Properties)]
+    fn try_from_unparsed(unparsed_mut: &mut U) -> Result<Self, Self::Error> {
+        Ok(ApSignature {
+            public_key: unparsed_mut.remove("publicKey")?,
+        })
+    }
+
+    fn try_into_unparsed(self, unparsed_mut: &mut U) -> Result<(), Self::Error> {
+        unparsed_mut.insert("publicKey", self.public_key)?;
+        Ok(())
+    }
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
-pub struct Hashtag {
+pub struct SourceProperty {
-    #[serde(rename = "type")]
+    pub source: Source,
-    kind: HashtagType,
-
-    #[activitystreams(concrete(String), functional)]
-    pub href: Option<serde_json::Value>,
-
-    #[activitystreams(concrete(String), functional)]
-    pub name: Option<serde_json::Value>,
 }
 
-#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+impl<U> UnparsedExtension<U> for SourceProperty
+where
+    U: UnparsedMutExt,
+{
+    type Error = serde_json::Error;
+
+    fn try_from_unparsed(unparsed_mut: &mut U) -> Result<Self, Self::Error> {
+        Ok(SourceProperty {
+            source: unparsed_mut.remove("source")?,
+        })
+    }
+
+    fn try_into_unparsed(self, unparsed_mut: &mut U) -> Result<(), Self::Error> {
+        unparsed_mut.insert("source", self.source)?;
+        Ok(())
+    }
+}
+
+pub type CustomPerson = Ext1<ApActor<Person>, ApSignature>;
+pub type CustomGroup = Ext2<ApActor<Group>, ApSignature, SourceProperty>;
+
+kind!(HashtagType, Hashtag);
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+pub struct Hashtag {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub href: Option<IriString>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<AnyString>,
+
+    #[serde(flatten)]
+    inner: Object<HashtagType>,
+}
+
+impl Hashtag {
+    pub fn new() -> Self {
+        Self {
+            href: None,
+            name: None,
+            inner: Object::new(),
+        }
+    }
+
+    pub fn extending(mut inner: Object<HashtagType>) -> Result<Self, serde_json::Error> {
+        let href = inner.remove("href")?;
+        let name = inner.remove("name")?;
+
+        Ok(Self { href, name, inner })
+    }
+
+    pub fn retracting(self) -> Result<Object<HashtagType>, serde_json::Error> {
+        let Self {
+            href,
+            name,
+            mut inner,
+        } = self;
+
+        inner.insert("href", href)?;
+        inner.insert("name", name)?;
+        Ok(inner)
+    }
+}
+
+pub trait AsHashtag: markers::Object {
+    fn hashtag_ref(&self) -> &Hashtag;
+
+    fn hashtag_mut(&mut self) -> &mut Hashtag;
+}
+
+pub trait HashtagExt: AsHashtag {
+    fn href(&self) -> Option<&IriString> {
+        self.hashtag_ref().href.as_ref()
+    }
+
+    fn set_href<T>(&mut self, href: T) -> &mut Self
+    where
+        T: Into<IriString>,
+    {
+        self.hashtag_mut().href = Some(href.into());
+        self
+    }
+
+    fn take_href(&mut self) -> Option<IriString> {
+        self.hashtag_mut().href.take()
+    }
+
+    fn delete_href(&mut self) -> &mut Self {
+        self.hashtag_mut().href = None;
+        self
+    }
+
+    fn name(&self) -> Option<&AnyString> {
+        self.hashtag_ref().name.as_ref()
+    }
+
+    fn set_name<T>(&mut self, name: T) -> &mut Self
+    where
+        T: Into<AnyString>,
+    {
+        self.hashtag_mut().name = Some(name.into());
+        self
+    }
+
+    fn take_name(&mut self) -> Option<AnyString> {
+        self.hashtag_mut().name.take()
+    }
+
+    fn delete_name(&mut self) -> &mut Self {
+        self.hashtag_mut().name = None;
+        self
+    }
+}
+
+impl Default for Hashtag {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl AsHashtag for Hashtag {
+    fn hashtag_ref(&self) -> &Self {
+        self
+    }
+
+    fn hashtag_mut(&mut self) -> &mut Self {
+        self
+    }
+}
+
+impl Extends<HashtagType> for Hashtag {
+    type Error = serde_json::Error;
+
+    fn extends(base: Base<HashtagType>) -> Result<Self, Self::Error> {
+        let inner = Object::extends(base)?;
+        Self::extending(inner)
+    }
+
+    fn retracts(self) -> Result<Base<HashtagType>, Self::Error> {
+        let inner = self.retracting()?;
+        inner.retracts()
+    }
+}
+
+impl markers::Base for Hashtag {}
+impl markers::Object for Hashtag {}
+impl<T> HashtagExt for T where T: AsHashtag {}
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
 pub struct Source {
     pub media_type: String,
@@ -280,13 +435,300 @@ pub struct Source {
     pub content: String,
 }
 
-impl Object for Source {}
+impl<U> UnparsedExtension<U> for Source
+where
+    U: UnparsedMutExt,
+{
+    type Error = serde_json::Error;
 
-#[derive(Clone, Debug, Default, Deserialize, Serialize, Properties)]
+    fn try_from_unparsed(unparsed_mut: &mut U) -> Result<Self, Self::Error> {
-#[serde(rename_all = "camelCase")]
+        Ok(Source {
-pub struct Licensed {
+            content: unparsed_mut.remove("content")?,
-    #[activitystreams(concrete(String), functional)]
+            media_type: unparsed_mut.remove("mediaType")?,
-    pub license: Option<serde_json::Value>,
+        })
     }
 
-impl Object for Licensed {}
+    fn try_into_unparsed(self, unparsed_mut: &mut U) -> Result<(), Self::Error> {
+        unparsed_mut.insert("content", self.content)?;
+        unparsed_mut.insert("mediaType", self.media_type)?;
+        Ok(())
+    }
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
+#[serde(rename_all = "camelCase")]
+pub struct Licensed {
+    pub license: Option<String>,
+}
+
+impl<U> UnparsedExtension<U> for Licensed
+where
+    U: UnparsedMutExt,
+{
+    type Error = serde_json::Error;
+
+    fn try_from_unparsed(unparsed_mut: &mut U) -> Result<Self, Self::Error> {
+        Ok(Licensed {
+            license: unparsed_mut.remove("license")?,
+        })
+    }
+
+    fn try_into_unparsed(self, unparsed_mut: &mut U) -> Result<(), Self::Error> {
+        unparsed_mut.insert("license", self.license)?;
+        Ok(())
+    }
+}
+
+pub type LicensedArticle = Ext1<ApObject<Article>, Licensed>;
+
+pub trait ToAsString {
+    fn to_as_string(&self) -> Option<String>;
+}
+
+impl ToAsString for OneOrMany<&AnyString> {
+    fn to_as_string(&self) -> Option<String> {
+        self.as_as_str().map(|s| s.to_string())
+    }
+}
+
+trait AsAsStr {
+    fn as_as_str(&self) -> Option<&str>;
+}
+
+impl AsAsStr for OneOrMany<&AnyString> {
+    fn as_as_str(&self) -> Option<&str> {
+        self.iter().next().map(|prop| prop.as_str())
+    }
+}
+
+pub trait ToAsUri {
+    fn to_as_uri(&self) -> Option<String>;
+}
+
+impl ToAsUri for OneOrMany<AnyBase> {
+    fn to_as_uri(&self) -> Option<String> {
+        self.iter()
+            .next()
+            .and_then(|prop| prop.as_xsd_any_uri().map(|uri| uri.to_string()))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use activitystreams::{
+        activity::{ActorAndObjectRef, Create},
+        object::kind::ArticleType,
+    };
+    use assert_json_diff::assert_json_eq;
+    use serde_json::{from_str, json, to_value};
+
+    #[test]
+    fn se_ap_signature() {
+        let ap_signature = ApSignature {
+            public_key: PublicKey {
+                id: "https://example.com/pubkey".parse().unwrap(),
+                owner: "https://example.com/owner".parse().unwrap(),
+                public_key_pem: "pubKeyPem".into(),
+            },
+        };
+        let expected = json!({
+            "publicKey": {
+                "id": "https://example.com/pubkey",
+                "owner": "https://example.com/owner",
+                "publicKeyPem": "pubKeyPem"
+            }
+        });
+        assert_json_eq!(to_value(ap_signature).unwrap(), expected);
+    }
+
+    #[test]
+    fn de_ap_signature() {
+        let value: ApSignature = from_str(
+            r#"
+              {
+                "publicKey": {
+                  "id": "https://example.com/",
+                  "owner": "https://example.com/",
+                  "publicKeyPem": ""
+                }
+              }
+            "#,
+        )
+        .unwrap();
+        let expected = ApSignature {
+            public_key: PublicKey {
+                id: "https://example.com/".parse().unwrap(),
+                owner: "https://example.com/".parse().unwrap(),
+                public_key_pem: "".into(),
+            },
+        };
+        assert_eq!(value, expected);
+    }
+
+    #[test]
+    fn se_custom_person() {
+        let actor = ApActor::new("https://example.com/inbox".parse().unwrap(), Person::new());
+        let person = CustomPerson::new(
+            actor,
+            ApSignature {
+                public_key: PublicKey {
+                    id: "https://example.com/pubkey".parse().unwrap(),
+                    owner: "https://example.com/owner".parse().unwrap(),
+                    public_key_pem: "pubKeyPem".into(),
+                },
+            },
+        );
+        let expected = json!({
+            "inbox": "https://example.com/inbox",
+            "type": "Person",
+            "publicKey": {
+                "id": "https://example.com/pubkey",
+                "owner": "https://example.com/owner",
+                "publicKeyPem": "pubKeyPem"
+            }
+        });
+        assert_eq!(to_value(person).unwrap(), expected);
+    }
+
+    #[test]
+    fn de_custom_group() {
+        let group = CustomGroup::new(
+            ApActor::new("https://example.com/inbox".parse().unwrap(), Group::new()),
+            ApSignature {
+                public_key: PublicKey {
+                    id: "https://example.com/pubkey".parse().unwrap(),
+                    owner: "https://example.com/owner".parse().unwrap(),
+                    public_key_pem: "pubKeyPem".into(),
+                },
+            },
+            SourceProperty {
+                source: Source {
+                    content: String::from("This is a *custom* group."),
+                    media_type: String::from("text/markdown"),
+                },
+            },
+        );
+        let expected = json!({
+            "inbox": "https://example.com/inbox",
+            "type": "Group",
+            "publicKey": {
+                "id": "https://example.com/pubkey",
+                "owner": "https://example.com/owner",
+                "publicKeyPem": "pubKeyPem"
+            },
+            "source": {
+                "content": "This is a *custom* group.",
+                "mediaType": "text/markdown"
+            }
+        });
+        assert_eq!(to_value(group).unwrap(), expected);
+    }
+
+    #[test]
+    fn se_licensed_article() {
+        let object = ApObject::new(Article::new());
+        let licensed_article = LicensedArticle::new(
+            object,
+            Licensed {
+                license: Some("CC-0".into()),
+            },
+        );
+        let expected = json!({
+            "type": "Article",
+            "license": "CC-0",
+        });
+        assert_json_eq!(to_value(licensed_article).unwrap(), expected);
+    }
+
+    #[test]
+    fn de_licensed_article() {
+        let value: LicensedArticle = from_str(
+            r#"
+              {
+                "type": "Article",
+                "id": "https://plu.me/~/Blog/my-article",
+                "attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
+                "content": "Hello.",
+                "name": "My Article",
+                "summary": "Bye.",
+                "source": {
+                  "content": "Hello.",
+                  "mediaType": "text/markdown"
+                },
+                "published": "2014-12-12T12:12:12Z",
+                "to": ["https://www.w3.org/ns/activitystreams#Public"],
+                "license": "CC-0"
+             }
+           "#,
+        )
+        .unwrap();
+        let expected = json!({
+            "type": "Article",
+            "id": "https://plu.me/~/Blog/my-article",
+            "attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
+            "content": "Hello.",
+            "name": "My Article",
+            "summary": "Bye.",
+            "source": {
+                "content": "Hello.",
+                "mediaType": "text/markdown"
+            },
+            "published": "2014-12-12T12:12:12Z",
+            "to": ["https://www.w3.org/ns/activitystreams#Public"],
+            "license": "CC-0"
+        });
+
+        assert_eq!(to_value(value).unwrap(), expected);
+    }
+
+    #[test]
+    fn de_create_with_licensed_article() {
+        let create: Create = from_str(
+            r#"
+              {
+                "id": "https://plu.me/~/Blog/my-article",
+                "type": "Create",
+                "actor": "https://plu.me/@/Admin",
+                "to": "https://www.w3.org/ns/activitystreams#Public",
+                "object": {
+                   "type": "Article",
+                   "id": "https://plu.me/~/Blog/my-article",
+                   "attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
+                   "content": "Hello.",
+                   "name": "My Article",
+                   "summary": "Bye.",
+                   "source": {
+                     "content": "Hello.",
+                     "mediaType": "text/markdown"
+                   },
+                   "published": "2014-12-12T12:12:12Z",
+                   "to": ["https://www.w3.org/ns/activitystreams#Public"],
+                   "license": "CC-0"
+                 }
+               }
+            "#,
+        )
+        .unwrap();
+        let base = create.object_field_ref().as_single_base().unwrap();
+        let any_base = AnyBase::from_base(base.clone());
+        let value = any_base.extend::<LicensedArticle, ArticleType>().unwrap();
+        let expected = json!({
+            "type": "Article",
+            "id": "https://plu.me/~/Blog/my-article",
+            "attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
+            "content": "Hello.",
+            "name": "My Article",
+            "summary": "Bye.",
+            "source": {
+                "content": "Hello.",
+                "mediaType": "text/markdown"
+            },
+            "published": "2014-12-12T12:12:12Z",
+            "to": ["https://www.w3.org/ns/activitystreams#Public"],
+            "license": "CC-0"
+        });
+
+        assert_eq!(to_value(value).unwrap(), expected);
+    }
+}

plume-common/src/lib.rs

@@ -1,7 +1,5 @@
 #![feature(associated_type_defaults)]
 
-#[macro_use]
-extern crate activitystreams_derive;
 #[macro_use]
 extern crate shrinkwraprs;
 #[macro_use]

plume-models/Cargo.toml

@@ -5,7 +5,6 @@ authors = ["Plume contributors"]
 edition = "2018"
 
 [dependencies]
-activitypub = "0.1.1"
 ammonia = "3.2.0"
 bcrypt = "0.12.1"
 guid-create = "0.2"
@@ -35,6 +34,7 @@ riker = "0.4.2"
 once_cell = "1.10.0"
 lettre = "0.9.6"
 native-tls = "0.2.10"
+activitystreams = "0.7.0-alpha.18"
 
 [dependencies.chrono]
 features = ["serde"]

plume-models/src/blogs.rs

@@ -1,12 +1,14 @@
 use crate::{
-    ap_url, db_conn::DbConn, instance::*, medias::Media, posts::Post, safe_string::SafeString,
+    db_conn::DbConn, instance::*, medias::Media, posts::Post, safe_string::SafeString,
     schema::blogs, users::User, Connection, Error, PlumeRocket, Result, CONFIG, ITEMS_PER_PAGE,
 };
-use activitypub::{
+use activitystreams::{
-    actor::Group,
+    actor::{ApActor, ApActorExt, AsApActor, Group},
+    base::AnyBase,
     collection::{OrderedCollection, OrderedCollectionPage},
-    object::Image,
+    iri_string::types::IriString,
-    CustomObject,
+    object::{kind::ImageType, ApObject, Image, ObjectExt},
+    prelude::*,
 };
 use chrono::NaiveDateTime;
 use diesel::{self, ExpressionMethods, OptionalExtension, QueryDsl, RunQueryDsl, SaveChangesDsl};
@@ -18,14 +20,12 @@ use openssl::{
 };
 use plume_common::activity_pub::{
     inbox::{AsActor, FromId},
-    sign, ActivityStream, ApSignature, Id, IntoId, PublicKey, Source,
+    sign, ActivityStream, ApSignature, CustomGroup, Id, IntoId, PublicKey, Source, SourceProperty,
+    ToAsString, ToAsUri,
 };
-use url::Url;
 use webfinger::*;
 
-pub type CustomGroup = CustomObject<ApSignature, Group>;
+#[derive(Queryable, Identifiable, Clone, AsChangeset, Debug)]
-
-#[derive(Queryable, Identifiable, Clone, AsChangeset)]
 #[changeset_options(treat_none_as_null = "true")]
 pub struct Blog {
     pub id: i32,
@@ -161,104 +161,120 @@ impl Blog {
     }
 
     pub fn to_activity(&self, conn: &Connection) -> Result<CustomGroup> {
-        let mut blog = Group::default();
+        let mut blog = ApActor::new(self.inbox_url.parse()?, Group::new());
-        blog.ap_actor_props
+        blog.set_preferred_username(self.actor_id.clone());
-            .set_preferred_username_string(self.actor_id.clone())?;
+        blog.set_name(self.title.clone());
-        blog.object_props.set_name_string(self.title.clone())?;
+        blog.set_outbox(self.outbox_url.parse()?);
-        blog.ap_actor_props
+        blog.set_summary(self.summary_html.to_string());
-            .set_outbox_string(self.outbox_url.clone())?;
+        let source = SourceProperty {
-        blog.ap_actor_props
+            source: Source {
-            .set_inbox_string(self.inbox_url.clone())?;
-        blog.object_props
-            .set_summary_string(self.summary_html.to_string())?;
-        blog.ap_object_props.set_source_object(Source {
                 content: self.summary.clone(),
                 media_type: String::from("text/markdown"),
-        })?;
+            },
+        };
 
-        let mut icon = Image::default();
+        let mut icon = Image::new();
-        icon.object_props.set_url_string(
+        let _ = self.icon_id.map(|id| {
-            self.icon_id
+            Media::get(conn, id).and_then(|m| {
-                .and_then(|id| Media::get(conn, id).and_then(|m| m.url()).ok())
+                let _ = m
-                .unwrap_or_default(),
+                    .url()
-        )?;
+                    .and_then(|url| url.parse::<IriString>().map_err(|_| Error::Url))
-        icon.object_props.set_attributed_to_link(
+                    .map(|url| icon.set_url(url));
-            self.icon_id
+                icon.set_attributed_to(
-                .and_then(|id| {
+                    User::get(conn, m.owner_id)?
-                    Media::get(conn, id)
+                        .into_id()
-                        .and_then(|m| Ok(User::get(conn, m.owner_id)?.into_id()))
+                        .parse::<IriString>()?,
-                        .ok()
+                );
+                Ok(())
             })
-                .unwrap_or_else(|| Id::new(String::new())),
+        });
-        )?;
+        blog.set_icon(icon.into_any_base()?);
-        blog.object_props.set_icon_object(icon)?;
 
-        let mut banner = Image::default();
+        let mut banner = Image::new();
-        banner.object_props.set_url_string(
+        let _ = self.banner_id.map(|id| {
-            self.banner_id
+            Media::get(conn, id).and_then(|m| {
-                .and_then(|id| Media::get(conn, id).and_then(|m| m.url()).ok())
+                let _ = m
-                .unwrap_or_default(),
+                    .url()
-        )?;
+                    .and_then(|url| url.parse::<IriString>().map_err(|_| Error::Url))
-        banner.object_props.set_attributed_to_link(
+                    .map(|url| banner.set_url(url));
-            self.banner_id
+                banner.set_attributed_to(
-                .and_then(|id| {
+                    User::get(conn, m.owner_id)?
-                    Media::get(conn, id)
+                        .into_id()
-                        .and_then(|m| Ok(User::get(conn, m.owner_id)?.into_id()))
+                        .parse::<IriString>()?,
-                        .ok()
+                );
+                Ok(())
             })
-                .unwrap_or_else(|| Id::new(String::new())),
+        });
-        )?;
+        blog.set_image(banner.into_any_base()?);
-        blog.object_props.set_image_object(banner)?;
 
-        blog.object_props.set_id_string(self.ap_url.clone())?;
+        blog.set_id(self.ap_url.parse()?);
 
-        let mut public_key = PublicKey::default();
+        let pub_key = PublicKey {
-        public_key.set_id_string(format!("{}#main-key", self.ap_url))?;
+            id: format!("{}#main-key", self.ap_url).parse()?,
-        public_key.set_owner_string(self.ap_url.clone())?;
+            owner: self.ap_url.parse()?,
-        public_key.set_public_key_pem_string(self.public_key.clone())?;
+            public_key_pem: self.public_key.clone(),
-        let mut ap_signature = ApSignature::default();
+        };
-        ap_signature.set_public_key_publickey(public_key)?;
+        let ap_signature = ApSignature {
+            public_key: pub_key,
+        };
 
-        Ok(CustomGroup::new(blog, ap_signature))
+        Ok(CustomGroup::new(blog, ap_signature, source))
     }
 
     pub fn outbox(&self, conn: &Connection) -> Result<ActivityStream<OrderedCollection>> {
-        let mut coll = OrderedCollection::default();
+        self.outbox_collection(conn).map(ActivityStream::new)
-        coll.collection_props.items = serde_json::to_value(self.get_activities(conn))?;
+    }
-        coll.collection_props
+    pub fn outbox_collection(&self, conn: &Connection) -> Result<OrderedCollection> {
-            .set_total_items_u64(self.get_activities(conn).len() as u64)?;
+        let acts = self.get_activities(conn);
-        coll.collection_props
+        let acts = acts
-            .set_first_link(Id::new(ap_url(&format!("{}?page=1", &self.outbox_url))))?;
+            .iter()
-        coll.collection_props
+            .filter_map(|value| AnyBase::from_arbitrary_json(value).ok())
-            .set_last_link(Id::new(ap_url(&format!(
+            .collect::<Vec<AnyBase>>();
+        let n_acts = acts.len();
+        let mut coll = OrderedCollection::new();
+        coll.set_many_items(acts);
+        coll.set_total_items(n_acts as u64);
+        coll.set_first(format!("{}?page=1", &self.outbox_url).parse::<IriString>()?);
+        coll.set_last(
+            format!(
                 "{}?page={}",
                 &self.outbox_url,
-                (self.get_activities(conn).len() as u64 + ITEMS_PER_PAGE as u64 - 1) as u64
+                (n_acts as u64 + ITEMS_PER_PAGE as u64 - 1) as u64 / ITEMS_PER_PAGE as u64
-                    / ITEMS_PER_PAGE as u64
+            )
-            ))))?;
+            .parse::<IriString>()?,
-        Ok(ActivityStream::new(coll))
+        );
+        Ok(coll)
     }
     pub fn outbox_page(
         &self,
         conn: &Connection,
         (min, max): (i32, i32),
     ) -> Result<ActivityStream<OrderedCollectionPage>> {
-        let mut coll = OrderedCollectionPage::default();
+        self.outbox_collection_page(conn, (min, max))
+            .map(ActivityStream::new)
+    }
+    pub fn outbox_collection_page(
+        &self,
+        conn: &Connection,
+        (min, max): (i32, i32),
+    ) -> Result<OrderedCollectionPage> {
+        let mut coll = OrderedCollectionPage::new();
         let acts = self.get_activity_page(conn, (min, max));
         //This still doesn't do anything because the outbox
         //doesn't do anything yet
-        coll.collection_page_props.set_next_link(Id::new(&format!(
+        coll.set_next(
-            "{}?page={}",
+            format!("{}?page={}", &self.outbox_url, min / ITEMS_PER_PAGE + 1)
-            &self.outbox_url,
+                .parse::<IriString>()?,
-            min / ITEMS_PER_PAGE + 1
+        );
-        )))?;
+        coll.set_prev(
-        coll.collection_page_props.set_prev_link(Id::new(&format!(
+            format!("{}?page={}", &self.outbox_url, min / ITEMS_PER_PAGE - 1)
-            "{}?page={}",
+                .parse::<IriString>()?,
-            &self.outbox_url,
+        );
-            min / ITEMS_PER_PAGE - 1
+        coll.set_many_items(
-        )))?;
+            acts.iter()
-        coll.collection_props.items = serde_json::to_value(acts)?;
+                .filter_map(|value| AnyBase::from_arbitrary_json(value).ok()),
-        Ok(ActivityStream::new(coll))
+        );
+        Ok(coll)
     }
     fn get_activities(&self, _conn: &Connection) -> Vec<serde_json::Value> {
         vec![]
@@ -354,9 +370,90 @@ impl FromId<DbConn> for Blog {
     }
 
     fn from_activity(conn: &DbConn, acct: CustomGroup) -> Result<Self> {
-        let url = Url::parse(&acct.object.object_props.id_string()?)?;
+        let (name, outbox_url, inbox_url) = {
-        let inst = url.host_str().ok_or(Error::Url)?;
+            let actor = acct.ap_actor_ref();
-        let instance = Instance::find_by_domain(conn, inst).or_else(|_| {
+            let name = actor
+                .preferred_username()
+                .ok_or(Error::MissingApProperty)?
+                .to_string();
+            if name.contains(&['<', '>', '&', '@', '\'', '"', ' ', '\t'][..]) {
+                return Err(Error::InvalidValue);
+            }
+            (
+                name,
+                actor.outbox()?.ok_or(Error::MissingApProperty)?.to_string(),
+                actor.inbox()?.to_string(),
+            )
+        };
+
+        let mut new_blog = NewBlog {
+            actor_id: name.to_string(),
+            outbox_url,
+            inbox_url,
+            public_key: acct.ext_one.public_key.public_key_pem.to_string(),
+            private_key: None,
+            theme: None,
+            ..NewBlog::default()
+        };
+
+        let object = ApObject::new(acct.inner);
+        new_blog.title = object
+            .name()
+            .and_then(|name| name.to_as_string())
+            .unwrap_or(name);
+        new_blog.summary_html = SafeString::new(
+            &object
+                .summary()
+                .and_then(|summary| summary.to_as_string())
+                .unwrap_or_default(),
+        );
+
+        let icon_id = object
+            .icon()
+            .and_then(|icons| {
+                icons.iter().next().and_then(|icon| {
+                    let icon = icon.to_owned().extend::<Image, ImageType>().ok()??;
+                    let owner = icon.attributed_to()?.to_as_uri()?;
+                    Media::save_remote(
+                        conn,
+                        icon.url()?.to_as_uri()?,
+                        &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
+                    )
+                    .ok()
+                })
+            })
+            .map(|m| m.id);
+        new_blog.icon_id = icon_id;
+
+        let banner_id = object
+            .image()
+            .and_then(|banners| {
+                banners.iter().next().and_then(|banner| {
+                    let banner = banner.to_owned().extend::<Image, ImageType>().ok()??;
+                    let owner = banner.attributed_to()?.to_as_uri()?;
+                    Media::save_remote(
+                        conn,
+                        banner.url()?.to_as_uri()?,
+                        &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
+                    )
+                    .ok()
+                })
+            })
+            .map(|m| m.id);
+        new_blog.banner_id = banner_id;
+
+        new_blog.summary = acct.ext_two.source.content;
+
+        let any_base = AnyBase::from_extended(object)?;
+        let id = any_base.id().ok_or(Error::MissingApProperty)?;
+        new_blog.ap_url = id.to_string();
+
+        let inst = id
+            .authority_components()
+            .ok_or(Error::Url)?
+            .host()
+            .to_string();
+        let instance = Instance::find_by_domain(conn, &inst).or_else(|_| {
             Instance::insert(
                 conn,
                 NewInstance {
@@ -373,75 +470,9 @@ impl FromId<DbConn> for Blog {
                 },
             )
         })?;
-        let icon_id = acct
+        new_blog.instance_id = instance.id;
-            .object
-            .object_props
-            .icon_image()
-            .ok()
-            .and_then(|icon| {
-                let owner = icon.object_props.attributed_to_link::<Id>().ok()?;
-                Media::save_remote(
-                    conn,
-                    icon.object_props.url_string().ok()?,
-                    &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
-                )
-                .ok()
-            })
-            .map(|m| m.id);
 
-        let banner_id = acct
+        Blog::insert(conn, new_blog)
-            .object
-            .object_props
-            .image_image()
-            .ok()
-            .and_then(|banner| {
-                let owner = banner.object_props.attributed_to_link::<Id>().ok()?;
-                Media::save_remote(
-                    conn,
-                    banner.object_props.url_string().ok()?,
-                    &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
-                )
-                .ok()
-            })
-            .map(|m| m.id);
-
-        let name = acct.object.ap_actor_props.preferred_username_string()?;
-        if name.contains(&['<', '>', '&', '@', '\'', '"', ' ', '\t'][..]) {
-            return Err(Error::InvalidValue);
-        }
-
-        Blog::insert(
-            conn,
-            NewBlog {
-                actor_id: name.clone(),
-                title: acct.object.object_props.name_string().unwrap_or(name),
-                outbox_url: acct.object.ap_actor_props.outbox_string()?,
-                inbox_url: acct.object.ap_actor_props.inbox_string()?,
-                summary: acct
-                    .object
-                    .ap_object_props
-                    .source_object::<Source>()
-                    .map(|s| s.content)
-                    .unwrap_or_default(),
-                instance_id: instance.id,
-                ap_url: acct.object.object_props.id_string()?,
-                public_key: acct
-                    .custom_props
-                    .public_key_publickey()?
-                    .public_key_pem_string()?,
-                private_key: None,
-                banner_id,
-                icon_id,
-                summary_html: SafeString::new(
-                    &acct
-                        .object
-                        .object_props
-                        .summary_string()
-                        .unwrap_or_default(),
-                ),
-                theme: None,
-            },
-        )
     }
 
     fn get_sender() -> &'static dyn sign::Signer {
@@ -512,12 +543,14 @@ pub(crate) mod tests {
         blog_authors::*, instance::tests as instance_tests, medias::NewMedia, tests::db,
         users::tests as usersTests, Connection as Conn,
     };
+    use assert_json_diff::assert_json_eq;
     use diesel::Connection;
+    use serde_json::to_value;
 
     pub(crate) fn fill_database(conn: &Conn) -> (Vec<User>, Vec<Blog>) {
         instance_tests::fill_database(conn);
         let users = usersTests::fill_database(conn);
-        let blog1 = Blog::insert(
+        let mut blog1 = Blog::insert(
             conn,
             NewBlog::new_local(
                 "BlogName".to_owned(),
@@ -590,6 +623,41 @@ pub(crate) mod tests {
             },
         )
         .unwrap();
+
+        blog1.icon_id = Some(
+            Media::insert(
+                conn,
+                NewMedia {
+                    file_path: "aaa.png".into(),
+                    alt_text: String::new(),
+                    is_remote: false,
+                    remote_url: None,
+                    sensitive: false,
+                    content_warning: None,
+                    owner_id: users[0].id,
+                },
+            )
+            .unwrap()
+            .id,
+        );
+        blog1.banner_id = Some(
+            Media::insert(
+                conn,
+                NewMedia {
+                    file_path: "bbb.png".into(),
+                    alt_text: String::new(),
+                    is_remote: false,
+                    remote_url: None,
+                    sensitive: false,
+                    content_warning: None,
+                    owner_id: users[0].id,
+                },
+            )
+            .unwrap()
+            .id,
+        );
+        let _: Blog = blog1.save_changes(&*conn).unwrap();
+
         (users, vec![blog1, blog2, blog3])
     }
 
@@ -886,7 +954,6 @@ pub(crate) mod tests {
                 .id,
             );
             let _: Blog = blogs[0].save_changes(&**conn).unwrap();
-
             let ap_repr = blogs[0].to_activity(&conn).unwrap();
             blogs[0].delete(&conn).unwrap();
             let blog = Blog::from_activity(&conn, ap_repr).unwrap();
@@ -907,4 +974,90 @@ pub(crate) mod tests {
             Ok(())
         })
     }
+
+    #[test]
+    fn to_activity() {
+        let conn = &db();
+        conn.test_transaction::<_, Error, _>(|| {
+            let (_users, blogs) = fill_database(&conn);
+            let blog = &blogs[0];
+            let act = blog.to_activity(conn)?;
+
+            let expected = json!({
+                "icon": {
+                    "attributedTo": "https://plu.me/@/admin/",
+                    "type": "Image",
+                    "url": "https://plu.me/aaa.png"
+                },
+                "id": "https://plu.me/~/BlogName/",
+                "image": {
+                    "attributedTo": "https://plu.me/@/admin/",
+                    "type": "Image",
+                    "url": "https://plu.me/bbb.png"
+                },
+                "inbox": "https://plu.me/~/BlogName/inbox",
+                "name": "Blog name",
+                "outbox": "https://plu.me/~/BlogName/outbox",
+                "preferredUsername": "BlogName",
+                "publicKey": {
+                    "id": "https://plu.me/~/BlogName/#main-key",
+                    "owner": "https://plu.me/~/BlogName/",
+                    "publicKeyPem": blog.public_key
+                },
+                "source": {
+                    "content": "This is a small blog",
+                    "mediaType": "text/markdown"
+                },
+                "summary": "",
+                "type": "Group"
+            });
+
+            assert_json_eq!(to_value(act)?, expected);
+
+            Ok(())
+        });
+    }
+
+    #[test]
+    fn outbox_collection() {
+        let conn = &db();
+        conn.test_transaction::<_, Error, _>(|| {
+            let (_users, blogs) = fill_database(conn);
+            let blog = &blogs[0];
+            let act = blog.outbox_collection(conn)?;
+
+            let expected = json!({
+                "items": [],
+                "totalItems": 0,
+                "first": "https://plu.me/~/BlogName/outbox?page=1",
+                "last": "https://plu.me/~/BlogName/outbox?page=0",
+                "type": "OrderedCollection"
+            });
+
+            assert_json_eq!(to_value(act)?, expected);
+
+            Ok(())
+        });
+    }
+
+    #[test]
+    fn outbox_collection_page() {
+        let conn = &db();
+        conn.test_transaction::<_, Error, _>(|| {
+            let (_users, blogs) = fill_database(conn);
+            let blog = &blogs[0];
+            let act = blog.outbox_collection_page(conn, (33, 36))?;
+
+            let expected = json!({
+                "next": "https://plu.me/~/BlogName/outbox?page=3",
+                "prev": "https://plu.me/~/BlogName/outbox?page=1",
+                "items": [],
+                "type": "OrderedCollectionPage"
+            });
+
+            assert_json_eq!(to_value(act)?, expected);
+
+            Ok(())
+        });
+    }
 }

plume-models/src/comments.rs

@@ -11,18 +11,23 @@ use crate::{
     users::User,
     Connection, Error, Result, CONFIG,
 };
-use activitypub::{
+use activitystreams::{
     activity::{Create, Delete},
-    link,
+    base::{AnyBase, Base},
+    iri_string::types::IriString,
+    link::{self, kind::MentionType},
     object::{Note, Tombstone},
+    prelude::*,
+    primitives::OneOrMany,
+    time::OffsetDateTime,
 };
-use chrono::{self, NaiveDateTime, TimeZone, Utc};
+use chrono::{self, NaiveDateTime};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl, SaveChangesDsl};
 use plume_common::{
     activity_pub::{
         inbox::{AsActor, AsObject, FromId},
         sign::Signer,
-        Id, IntoId, PUBLIC_VISIBILITY,
+        IntoId, ToAsString, ToAsUri, PUBLIC_VISIBILITY,
     },
     utils,
 };
@@ -115,29 +120,32 @@ impl Comment {
             Some(Media::get_media_processor(conn, vec![&author])),
         );
 
-        let mut note = Note::default();
+        let mut note = Note::new();
-        let to = vec![Id::new(PUBLIC_VISIBILITY.to_string())];
+        let to = vec![PUBLIC_VISIBILITY.parse::<IriString>()?];
 
-        note.object_props
+        note.set_id(
-            .set_id_string(self.ap_url.clone().unwrap_or_default())?;
+            self.ap_url
-        note.object_props
+                .clone()
-            .set_summary_string(self.spoiler_text.clone())?;
+                .unwrap_or_default()
-        note.object_props.set_content_string(html)?;
+                .parse::<IriString>()?,
-        note.object_props
+        );
-            .set_in_reply_to_link(Id::new(self.in_response_to_id.map_or_else(
+        note.set_summary(self.spoiler_text.clone());
-                || Ok(Post::get(conn, self.post_id)?.ap_url),
+        note.set_content(html);
-                |id| Ok(Comment::get(conn, id)?.ap_url.unwrap_or_default()) as Result<String>,
+        note.set_in_reply_to(self.in_response_to_id.map_or_else(
-            )?))?;
+            || Post::get(conn, self.post_id).map(|post| post.ap_url),
-        note.object_props
+            |id| Comment::get(conn, id).map(|comment| comment.ap_url.unwrap_or_default()),
-            .set_published_utctime(Utc.from_utc_datetime(&self.creation_date))?;
+        )?);
-        note.object_props.set_attributed_to_link(author.into_id())?;
+        note.set_published(
-        note.object_props.set_to_link_vec(to)?;
+            OffsetDateTime::from_unix_timestamp_nanos(self.creation_date.timestamp_nanos().into())
-        note.object_props.set_tag_link_vec(
+                .expect("OffsetDateTime"),
-            mentions
+        );
-                .into_iter()
+        note.set_attributed_to(author.into_id().parse::<IriString>()?);
-                .filter_map(|m| Mention::build_activity(conn, &m).ok())
+        note.set_many_tos(to);
-                .collect::<Vec<link::Mention>>(),
+        note.set_many_tags(mentions.into_iter().filter_map(|m| {
-        )?;
+            Mention::build_activity(conn, &m)
+                .map(|mention| mention.into_any_base().expect("Can convert"))
+                .ok()
+        }));
         Ok(note)
     }
 
@@ -145,17 +153,26 @@ impl Comment {
         let author = User::get(conn, self.author_id)?;
 
         let note = self.to_activity(conn)?;
-        let mut act = Create::default();
+        let note_clone = note.clone();
-        act.create_props.set_actor_link(author.into_id())?;
+
-        act.create_props.set_object_object(note.clone())?;
+        let mut act = Create::new(
-        act.object_props.set_id_string(format!(
+            author.into_id().parse::<IriString>()?,
+            Base::retract(note)?.into_generic()?,
+        );
+        act.set_id(
+            format!(
                 "{}/activity",
                 self.ap_url.clone().ok_or(Error::MissingApProperty)?,
-        ))?;
+            )
-        act.object_props
+            .parse::<IriString>()?,
-            .set_to_link_vec(note.object_props.to_link_vec::<Id>()?)?;
+        );
-        act.object_props
+        act.set_many_tos(
-            .set_cc_link_vec(vec![Id::new(self.get_author(conn)?.followers_endpoint)])?;
+            note_clone
+                .to()
+                .iter()
+                .flat_map(|tos| tos.iter().map(|to| to.to_owned())),
+        );
+        act.set_many_ccs(vec![self.get_author(conn)?.followers_endpoint]);
         Ok(act)
     }
 
@@ -180,20 +197,21 @@ impl Comment {
     }
 
     pub fn build_delete(&self, conn: &Connection) -> Result<Delete> {
-        let mut act = Delete::default();
+        let mut tombstone = Tombstone::new();
-        act.delete_props
+        tombstone.set_id(
-            .set_actor_link(self.get_author(conn)?.into_id())?;
+            self.ap_url
+                .as_ref()
+                .ok_or(Error::MissingApProperty)?
+                .parse::<IriString>()?,
+        );
 
-        let mut tombstone = Tombstone::default();
+        let mut act = Delete::new(
-        tombstone
+            self.get_author(conn)?.into_id().parse::<IriString>()?,
-            .object_props
+            Base::retract(tombstone)?.into_generic()?,
-            .set_id_string(self.ap_url.clone().ok_or(Error::MissingApProperty)?)?;
+        );
-        act.delete_props.set_object_object(tombstone)?;
 
-        act.object_props
+        act.set_id(format!("{}#delete", self.ap_url.clone().unwrap()).parse::<IriString>()?);
-            .set_id_string(format!("{}#delete", self.ap_url.clone().unwrap()))?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY)])?;
 
         Ok(act)
     }
@@ -210,102 +228,104 @@ impl FromId<DbConn> for Comment {
     fn from_activity(conn: &DbConn, note: Note) -> Result<Self> {
         let comm = {
             let previous_url = note
-                .object_props
+                .in_reply_to()
-                .in_reply_to
-                .as_ref()
                 .ok_or(Error::MissingApProperty)?
-                .as_str()
-                .ok_or(Error::MissingApProperty)?;
-            let previous_comment = Comment::find_by_ap_url(conn, previous_url);
-
-            let is_public = |v: &Option<serde_json::Value>| match v
-                .as_ref()
-                .unwrap_or(&serde_json::Value::Null)
-            {
-                serde_json::Value::Array(v) => v
                 .iter()
-                    .filter_map(serde_json::Value::as_str)
+                .next()
-                    .any(|s| s == PUBLIC_VISIBILITY),
+                .ok_or(Error::MissingApProperty)?
-                serde_json::Value::String(s) => s == PUBLIC_VISIBILITY,
+                .id()
-                _ => false,
+                .ok_or(Error::MissingApProperty)?;
+            let previous_comment = Comment::find_by_ap_url(conn, previous_url.as_str());
+
+            let is_public = |v: &Option<&OneOrMany<AnyBase>>| match v {
+                Some(one_or_many) => one_or_many.iter().any(|any_base| {
+                    let id = any_base.id();
+                    id.is_some() && id.unwrap() == PUBLIC_VISIBILITY
+                }),
+                None => false,
             };
 
-            let public_visibility = is_public(&note.object_props.to)
+            let public_visibility = is_public(&note.to())
-                || is_public(&note.object_props.bto)
+                || is_public(&note.bto())
-                || is_public(&note.object_props.cc)
+                || is_public(&note.cc())
-                || is_public(&note.object_props.bcc);
+                || is_public(&note.bcc());
 
+            let summary = note.summary().and_then(|summary| summary.to_as_string());
+            let sensitive = summary.is_some();
             let comm = Comment::insert(
                 conn,
                 NewComment {
-                    content: SafeString::new(&note.object_props.content_string()?),
+                    content: SafeString::new(
-                    spoiler_text: note.object_props.summary_string().unwrap_or_default(),
+                        &note
-                    ap_url: note.object_props.id_string().ok(),
+                            .content()
+                            .ok_or(Error::MissingApProperty)?
+                            .to_as_string()
+                            .ok_or(Error::InvalidValue)?,
+                    ),
+                    spoiler_text: summary.unwrap_or_default(),
+                    ap_url: Some(
+                        note.id_unchecked()
+                            .ok_or(Error::MissingApProperty)?
+                            .to_string(),
+                    ),
                     in_response_to_id: previous_comment.iter().map(|c| c.id).next(),
                     post_id: previous_comment.map(|c| c.post_id).or_else(|_| {
-                        Ok(Post::find_by_ap_url(conn, previous_url)?.id) as Result<i32>
+                        Ok(Post::find_by_ap_url(conn, previous_url.as_str())?.id) as Result<i32>
                     })?,
                     author_id: User::from_id(
                         conn,
-                        &note.object_props.attributed_to_link::<Id>()?,
+                        &note
+                            .attributed_to()
+                            .ok_or(Error::MissingApProperty)?
+                            .to_as_uri()
+                            .ok_or(Error::MissingApProperty)?,
                         None,
                         CONFIG.proxy(),
                     )
                     .map_err(|(_, e)| e)?
                     .id,
-                    sensitive: note.object_props.summary_string().is_ok(),
+                    sensitive,
                     public_visibility,
                 },
             )?;
 
             // save mentions
-            if let Some(serde_json::Value::Array(tags)) = note.object_props.tag.clone() {
+            if let Some(tags) = note.tag() {
-                for tag in tags {
+                let author_url = &Post::get(conn, comm.post_id)?.get_authors(conn)?[0].ap_url;
-                    serde_json::from_value::<link::Mention>(tag)
+                for tag in tags.iter() {
-                        .map_err(Error::from)
+                    let m = tag.clone().extend::<link::Mention, MentionType>()?; // FIXME: Don't clone
-                        .and_then(|m| {
+                    if m.is_none() {
-                            let author = &Post::get(conn, comm.post_id)?.get_authors(conn)?[0];
+                        continue;
-                            let not_author = m.link_props.href_string()? != author.ap_url.clone();
+                    }
-                            Mention::from_activity(conn, &m, comm.id, false, not_author)
+                    let m = m.unwrap();
-                        })
+                    let not_author = m.href().ok_or(Error::MissingApProperty)? != author_url;
-                        .ok();
+                    let _ = Mention::from_activity(conn, &m, comm.id, false, not_author);
                 }
             }
             comm
         };
 
         if !comm.public_visibility {
-            let receivers_ap_url = |v: Option<serde_json::Value>| {
+            let mut receiver_ids = HashSet::new();
-                let filter = |e: serde_json::Value| {
+            let mut receivers_id = |v: Option<&'_ OneOrMany<AnyBase>>| {
-                    if let serde_json::Value::String(s) = e {
+                if let Some(one_or_many) = v {
-                        Some(s)
+                    for any_base in one_or_many.iter() {
-                    } else {
+                        if let Some(id) = any_base.id() {
-                        None
+                            receiver_ids.insert(id.to_string());
+                        }
+                    }
                 }
             };
-                match v.unwrap_or(serde_json::Value::Null) {
-                    serde_json::Value::Array(v) => v,
-                    v => vec![v],
-                }
-                .into_iter()
-                .filter_map(filter)
-            };
 
-            let mut note = note;
+            receivers_id(note.to());
+            receivers_id(note.cc());
+            receivers_id(note.bto());
+            receivers_id(note.bcc());
 
-            let to = receivers_ap_url(note.object_props.to.take());
+            let receivers_ap_url = receiver_ids
-            let cc = receivers_ap_url(note.object_props.cc.take());
-            let bto = receivers_ap_url(note.object_props.bto.take());
-            let bcc = receivers_ap_url(note.object_props.bcc.take());
-
-            let receivers_ap_url = to
-                .chain(cc)
-                .chain(bto)
-                .chain(bcc)
-                .collect::<HashSet<_>>() // remove duplicates (don't do a query more than once)
                 .into_iter()
                 .flat_map(|v| {
-                    if let Ok(user) = User::from_id(conn, &v, None, CONFIG.proxy()) {
+                    if let Ok(user) = User::from_id(conn, v.as_ref(), None, CONFIG.proxy()) {
                         vec![user]
                     } else {
                         vec![] // TODO try to fetch collection

plume-models/src/follows.rs

@@ -2,7 +2,12 @@ use crate::{
     ap_url, db_conn::DbConn, instance::Instance, notifications::*, schema::follows, users::User,
     Connection, Error, Result, CONFIG,
 };
-use activitypub::activity::{Accept, Follow as FollowAct, Undo};
+use activitystreams::{
+    activity::{Accept, ActorAndObjectRef, Follow as FollowAct, Undo},
+    base::AnyBase,
+    iri_string::types::IriString,
+    prelude::*,
+};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl, SaveChangesDsl};
 use plume_common::activity_pub::{
     broadcast,
@@ -53,15 +58,13 @@ impl Follow {
     pub fn to_activity(&self, conn: &Connection) -> Result<FollowAct> {
         let user = User::get(conn, self.follower_id)?;
         let target = User::get(conn, self.following_id)?;
+        let target_id = target.ap_url.parse::<IriString>()?;
+
+        let mut act = FollowAct::new(user.ap_url.parse::<IriString>()?, target_id.clone());
+        act.set_id(self.ap_url.parse::<IriString>()?);
+        act.set_many_tos(vec![target_id]);
+        act.set_many_ccs(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
 
-        let mut act = FollowAct::default();
-        act.follow_props.set_actor_link::<Id>(user.into_id())?;
-        act.follow_props
-            .set_object_link::<Id>(target.clone().into_id())?;
-        act.object_props.set_id_string(self.ap_url.clone())?;
-        act.object_props.set_to_link_vec(vec![target.into_id()])?;
-        act.object_props
-            .set_cc_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
         Ok(act)
     }
 
@@ -94,7 +97,11 @@ impl Follow {
             NewFollow {
                 follower_id: from_id,
                 following_id: target_id,
-                ap_url: follow.object_props.id_string()?,
+                ap_url: follow
+                    .object_field_ref()
+                    .as_single_id()
+                    .ok_or(Error::MissingApProperty)?
+                    .to_string(),
             },
         )?;
         res.notify(conn)?;
@@ -115,39 +122,35 @@ impl Follow {
         target: &A,
         follow: FollowAct,
     ) -> Result<Accept> {
-        let mut accept = Accept::default();
+        let mut accept = Accept::new(
+            target.clone().into_id().parse::<IriString>()?,
+            AnyBase::from_extended(follow)?,
+        );
         let accept_id = ap_url(&format!(
             "{}/follows/{}/accept",
             CONFIG.base_url.as_str(),
             self.id
         ));
-        accept.object_props.set_id_string(accept_id)?;
+        accept.set_id(accept_id.parse::<IriString>()?);
-        accept
+        accept.set_many_tos(vec![from.clone().into_id().parse::<IriString>()?]);
-            .object_props
+        accept.set_many_ccs(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-            .set_to_link_vec(vec![from.clone().into_id()])?;
-        accept
-            .object_props
-            .set_cc_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
-        accept
-            .accept_props
-            .set_actor_link::<Id>(target.clone().into_id())?;
-        accept.accept_props.set_object_object(follow)?;
 
         Ok(accept)
     }
 
     pub fn build_undo(&self, conn: &Connection) -> Result<Undo> {
-        let mut undo = Undo::default();
+        let mut undo = Undo::new(
-        undo.undo_props
+            User::get(conn, self.follower_id)?
-            .set_actor_link(User::get(conn, self.follower_id)?.into_id())?;
+                .ap_url
-        undo.object_props
+                .parse::<IriString>()?,
-            .set_id_string(format!("{}/undo", self.ap_url))?;
+            self.ap_url.parse::<IriString>()?,
-        undo.undo_props
+        );
-            .set_object_link::<Id>(self.clone().into_id())?;
+        undo.set_id(format!("{}/undo", self.ap_url).parse::<IriString>()?);
-        undo.object_props
+        undo.set_many_tos(vec![User::get(conn, self.following_id)?
-            .set_to_link_vec(vec![User::get(conn, self.following_id)?.into_id()])?;
+            .ap_url
-        undo.object_props
+            .parse::<IriString>()?]);
-            .set_cc_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
+        undo.set_many_ccs(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
+
         Ok(undo)
     }
 }
@@ -159,11 +162,7 @@ impl AsObject<User, FollowAct, &DbConn> for User {
     fn activity(self, conn: &DbConn, actor: User, id: &str) -> Result<Follow> {
         // Mastodon (at least) requires the full Follow object when accepting it,
         // so we rebuilt it here
-        let mut follow = FollowAct::default();
+        let follow = FollowAct::new(actor.ap_url.parse::<IriString>()?, id.parse::<IriString>()?);
-        follow.object_props.set_id_string(id.to_string())?;
-        follow
-            .follow_props
-            .set_actor_link::<Id>(actor.clone().into_id())?;
         Follow::accept_follow(conn, &actor, &self, follow, actor.id, self.id)
     }
 }
@@ -179,7 +178,11 @@ impl FromId<DbConn> for Follow {
     fn from_activity(conn: &DbConn, follow: FollowAct) -> Result<Self> {
         let actor = User::from_id(
             conn,
-            &follow.follow_props.actor_link::<Id>()?,
+            follow
+                .actor_field_ref()
+                .as_single_id()
+                .ok_or(Error::MissingApProperty)?
+                .as_str(),
             None,
             CONFIG.proxy(),
         )
@@ -187,7 +190,11 @@ impl FromId<DbConn> for Follow {
 
         let target = User::from_id(
             conn,
-            &follow.follow_props.object_link::<Id>()?,
+            follow
+                .object_field_ref()
+                .as_single_id()
+                .ok_or(Error::MissingApProperty)?
+                .as_str(),
             None,
             CONFIG.proxy(),
         )

plume-models/src/inbox.rs

@@ -1,4 +1,4 @@
-use activitypub::activity::*;
+use activitystreams::activity::{Announce, Create, Delete, Follow, Like, Undo, Update};
 
 use crate::{
     comments::Comment,
@@ -94,8 +94,8 @@ pub(crate) mod tests {
                 license: "WTFPL".to_owned(),
                 creation_date: None,
                 ap_url: format!("https://plu.me/~/{}/testing", blogs[0].actor_id),
-                subtitle: String::new(),
+                subtitle: "Bye".to_string(),
-                source: String::new(),
+                source: "Hello".to_string(),
                 cover_id: None,
             },
         )
@@ -268,7 +268,7 @@ pub(crate) mod tests {
                 "actor": users[0].ap_url,
                 "object": {
                     "type": "Article",
-                    "id": "https://plu.me/~/Blog/my-article",
+                    "id": "https://plu.me/~/BlogName/testing",
                     "attributedTo": [users[0].ap_url, blogs[0].ap_url],
                     "content": "Hello.",
                     "name": "My Article",
@@ -286,11 +286,11 @@ pub(crate) mod tests {
             match super::inbox(&conn, act).unwrap() {
                 super::InboxResult::Post(p) => {
                     assert!(p.is_author(&conn, users[0].id).unwrap());
-                    assert_eq!(p.source, "Hello.".to_owned());
+                    assert_eq!(p.source, "Hello".to_owned());
                     assert_eq!(p.blog_id, blogs[0].id);
-                    assert_eq!(p.content, SafeString::new("Hello."));
+                    assert_eq!(p.content, SafeString::new("Hello"));
-                    assert_eq!(p.subtitle, "Bye.".to_owned());
+                    assert_eq!(p.subtitle, "Bye".to_owned());
-                    assert_eq!(p.title, "My Article".to_owned());
+                    assert_eq!(p.title, "Testing".to_owned());
                 }
                 _ => panic!("Unexpected result"),
             };

plume-models/src/lib.rs

@@ -16,6 +16,7 @@ extern crate serde_json;
 #[macro_use]
 extern crate tantivy;
 
+use activitystreams::iri_string;
 pub use lettre;
 pub use lettre::smtp;
 use once_cell::sync::Lazy;
@@ -100,6 +101,12 @@ impl From<url::ParseError> for Error {
     }
 }
 
+impl From<iri_string::validate::Error> for Error {
+    fn from(_: iri_string::validate::Error) -> Self {
+        Error::Url
+    }
+}
+
 impl From<serde_json::Error> for Error {
     fn from(_: serde_json::Error) -> Self {
         Error::SerDe
@@ -118,12 +125,9 @@ impl From<reqwest::header::InvalidHeaderValue> for Error {
     }
 }
 
-impl From<activitypub::Error> for Error {
+impl From<activitystreams::checked::CheckError> for Error {
-    fn from(err: activitypub::Error) -> Self {
+    fn from(_: activitystreams::checked::CheckError) -> Error {
-        match err {
+        Error::MissingApProperty
-            activitypub::Error::NotFound => Error::MissingApProperty,
-            _ => Error::SerDe,
-        }
     }
 }
 

plume-models/src/likes.rs

@@ -2,13 +2,18 @@ use crate::{
     db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::likes, timeline::*,
     users::User, Connection, Error, Result, CONFIG,
 };
-use activitypub::activity;
+use activitystreams::{
+    activity::{ActorAndObjectRef, Like as LikeAct, Undo},
+    base::AnyBase,
+    iri_string::types::IriString,
+    prelude::*,
+};
 use chrono::NaiveDateTime;
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
 use plume_common::activity_pub::{
     inbox::{AsActor, AsObject, FromId},
     sign::Signer,
-    Id, IntoId, PUBLIC_VISIBILITY,
+    PUBLIC_VISIBILITY,
 };
 
 #[derive(Clone, Queryable, Identifiable)]
@@ -34,18 +39,16 @@ impl Like {
     find_by!(likes, find_by_ap_url, ap_url as &str);
     find_by!(likes, find_by_user_on_post, user_id as i32, post_id as i32);
 
-    pub fn to_activity(&self, conn: &Connection) -> Result<activity::Like> {
+    pub fn to_activity(&self, conn: &Connection) -> Result<LikeAct> {
-        let mut act = activity::Like::default();
+        let mut act = LikeAct::new(
-        act.like_props
+            User::get(conn, self.user_id)?.ap_url.parse::<IriString>()?,
-            .set_actor_link(User::get(conn, self.user_id)?.into_id())?;
+            Post::get(conn, self.post_id)?.ap_url.parse::<IriString>()?,
-        act.like_props
+        );
-            .set_object_link(Post::get(conn, self.post_id)?.into_id())?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
+        act.set_many_ccs(vec![User::get(conn, self.user_id)?
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
+            .followers_endpoint
-        act.object_props.set_cc_link_vec(vec![Id::new(
+            .parse::<IriString>()?]);
-            User::get(conn, self.user_id)?.followers_endpoint,
+        act.set_id(self.ap_url.parse::<IriString>()?);
-        )])?;
-        act.object_props.set_id_string(self.ap_url.clone())?;
 
         Ok(act)
     }
@@ -67,24 +70,22 @@ impl Like {
         Ok(())
     }
 
-    pub fn build_undo(&self, conn: &Connection) -> Result<activity::Undo> {
+    pub fn build_undo(&self, conn: &Connection) -> Result<Undo> {
-        let mut act = activity::Undo::default();
+        let mut act = Undo::new(
-        act.undo_props
+            User::get(conn, self.user_id)?.ap_url.parse::<IriString>()?,
-            .set_actor_link(User::get(conn, self.user_id)?.into_id())?;
+            AnyBase::from_extended(self.to_activity(conn)?)?,
-        act.undo_props.set_object_object(self.to_activity(conn)?)?;
+        );
-        act.object_props
+        act.set_id(format!("{}#delete", self.ap_url).parse::<IriString>()?);
-            .set_id_string(format!("{}#delete", self.ap_url))?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
+        act.set_many_ccs(vec![User::get(conn, self.user_id)?
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
+            .followers_endpoint
-        act.object_props.set_cc_link_vec(vec![Id::new(
+            .parse::<IriString>()?]);
-            User::get(conn, self.user_id)?.followers_endpoint,
-        )])?;
 
         Ok(act)
     }
 }
 
-impl AsObject<User, activity::Like, &DbConn> for Post {
+impl AsObject<User, LikeAct, &DbConn> for Post {
     type Error = Error;
     type Output = Like;
 
@@ -106,19 +107,22 @@ impl AsObject<User, activity::Like, &DbConn> for Post {
 
 impl FromId<DbConn> for Like {
     type Error = Error;
-    type Object = activity::Like;
+    type Object = LikeAct;
 
     fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
         Like::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, act: activity::Like) -> Result<Self> {
+    fn from_activity(conn: &DbConn, act: LikeAct) -> Result<Self> {
         let res = Like::insert(
             conn,
             NewLike {
                 post_id: Post::from_id(
                     conn,
-                    &act.like_props.object_link::<Id>()?,
+                    act.object_field_ref()
+                        .as_single_id()
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str(),
                     None,
                     CONFIG.proxy(),
                 )
@@ -126,13 +130,19 @@ impl FromId<DbConn> for Like {
                 .id,
                 user_id: User::from_id(
                     conn,
-                    &act.like_props.actor_link::<Id>()?,
+                    act.actor_field_ref()
+                        .as_single_id()
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str(),
                     None,
                     CONFIG.proxy(),
                 )
                 .map_err(|(_, e)| e)?
                 .id,
-                ap_url: act.object_props.id_string()?,
+                ap_url: act
+                    .id_unchecked()
+                    .ok_or(Error::MissingApProperty)?
+                    .to_string(),
             },
         )?;
         res.notify(conn)?;
@@ -144,7 +154,7 @@ impl FromId<DbConn> for Like {
     }
 }
 
-impl AsObject<User, activity::Undo, &DbConn> for Like {
+impl AsObject<User, Undo, &DbConn> for Like {
     type Error = Error;
     type Output = ();
 

plume-models/src/medias.rs

@@ -2,11 +2,11 @@ use crate::{
     ap_url, db_conn::DbConn, instance::Instance, safe_string::SafeString, schema::medias,
     users::User, Connection, Error, Result, CONFIG,
 };
-use activitypub::object::Image;
+use activitystreams::{object::Image, prelude::*};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
 use guid_create::GUID;
 use plume_common::{
-    activity_pub::{inbox::FromId, request, Id},
+    activity_pub::{inbox::FromId, request, ToAsString, ToAsUri},
     utils::{escape, MediaProcessor},
 };
 use std::{
@@ -208,9 +208,9 @@ impl Media {
     // TODO: merge with save_remote?
     pub fn from_activity(conn: &DbConn, image: &Image) -> Result<Media> {
         let remote_url = image
-            .object_props
+            .url()
-            .url_string()
+            .and_then(|url| url.to_as_uri())
-            .or(Err(Error::MissingApProperty))?;
+            .ok_or(Error::MissingApProperty)?;
         let path = determine_mirror_file_path(&remote_url);
         let parent = path.parent().ok_or(Error::InvalidValue)?;
         if !parent.is_dir() {
@@ -231,11 +231,12 @@ impl Media {
                 let mut updated = false;
 
                 let alt_text = image
-                    .object_props
+                    .content()
-                    .content_string()
+                    .and_then(|content| content.to_as_string())
-                    .or(Err(Error::NotFound))?;
+                    .ok_or(Error::NotFound)?;
-                let sensitive = image.object_props.summary_string().is_ok();
+                let summary = image.summary().and_then(|summary| summary.to_as_string());
-                let content_warning = image.object_props.summary_string().ok();
+                let sensitive = summary.is_some();
+                let content_warning = summary;
                 if media.alt_text != alt_text {
                     media.alt_text = alt_text;
                     updated = true;
@@ -262,28 +263,25 @@ impl Media {
                 Ok(media)
             })
             .or_else(|_| {
+                let summary = image.summary().and_then(|summary| summary.to_as_string());
                 Media::insert(
                     conn,
                     NewMedia {
                         file_path: path.to_str().ok_or(Error::InvalidValue)?.to_string(),
                         alt_text: image
-                            .object_props
+                            .content()
-                            .content_string()
+                            .and_then(|content| content.to_as_string())
-                            .or(Err(Error::NotFound))?,
+                            .ok_or(Error::NotFound)?,
                         is_remote: false,
                         remote_url: None,
-                        sensitive: image.object_props.summary_string().is_ok(),
+                        sensitive: summary.is_some(),
-                        content_warning: image.object_props.summary_string().ok(),
+                        content_warning: summary,
                         owner_id: User::from_id(
                             conn,
-                            image
+                            &image
-                                .object_props
+                                .attributed_to()
-                                .attributed_to_link_vec::<Id>()
+                                .and_then(|attributed_to| attributed_to.to_as_uri())
-                                .or(Err(Error::NotFound))?
+                                .ok_or(Error::MissingApProperty)?,
-                                .into_iter()
-                                .next()
-                                .ok_or(Error::NotFound)?
-                                .as_ref(),
                             None,
                             CONFIG.proxy(),
                         )

plume-models/src/mentions.rs

@@ -2,7 +2,11 @@ use crate::{
     comments::Comment, db_conn::DbConn, notifications::*, posts::Post, schema::mentions,
     users::User, Connection, Error, Result,
 };
-use activitypub::link;
+use activitystreams::{
+    base::BaseExt,
+    iri_string::types::IriString,
+    link::{self, LinkExt},
+};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
 use plume_common::activity_pub::inbox::AsActor;
 
@@ -58,19 +62,17 @@ impl Mention {
 
     pub fn build_activity(conn: &DbConn, ment: &str) -> Result<link::Mention> {
         let user = User::find_by_fqn(conn, ment)?;
-        let mut mention = link::Mention::default();
+        let mut mention = link::Mention::new();
-        mention.link_props.set_href_string(user.ap_url)?;
+        mention.set_href(user.ap_url.parse::<IriString>()?);
-        mention.link_props.set_name_string(format!("@{}", ment))?;
+        mention.set_name(format!("@{}", ment));
         Ok(mention)
     }
 
     pub fn to_activity(&self, conn: &Connection) -> Result<link::Mention> {
         let user = self.get_mentioned(conn)?;
-        let mut mention = link::Mention::default();
+        let mut mention = link::Mention::new();
-        mention.link_props.set_href_string(user.ap_url.clone())?;
+        mention.set_href(user.ap_url.parse::<IriString>()?);
-        mention
+        mention.set_name(format!("@{}", user.fqn));
-            .link_props
-            .set_name_string(format!("@{}", user.fqn))?;
         Ok(mention)
     }
 
@@ -81,8 +83,8 @@ impl Mention {
         in_post: bool,
         notify: bool,
     ) -> Result<Self> {
-        let ap_url = ment.link_props.href_string().or(Err(Error::NotFound))?;
+        let ap_url = ment.href().ok_or(Error::NotFound)?.as_str();
-        let mentioned = User::find_by_ap_url(conn, &ap_url)?;
+        let mentioned = User::find_by_ap_url(conn, ap_url)?;
 
         if in_post {
             Post::get(conn, inside).and_then(|post| {

plume-models/src/posts.rs

@@ -3,20 +3,24 @@ use crate::{
     post_authors::*, safe_string::SafeString, schema::posts, tags::*, timeline::*, users::User,
     Connection, Error, PostEvent::*, Result, CONFIG, POST_CHAN,
 };
-use activitypub::{
+use activitystreams::{
     activity::{Create, Delete, Update},
-    link,
+    base::{AnyBase, Base},
-    object::{Article, Image, Tombstone},
+    iri_string::types::IriString,
-    CustomObject,
+    link::{self, kind::MentionType},
+    object::{kind::ImageType, ApObject, Article, AsApObject, Image, ObjectExt, Tombstone},
+    prelude::*,
+    time::OffsetDateTime,
 };
-use chrono::{NaiveDateTime, TimeZone, Utc};
+use chrono::{NaiveDateTime, Utc};
 use diesel::{self, BelongingToDsl, ExpressionMethods, QueryDsl, RunQueryDsl};
 use once_cell::sync::Lazy;
 use plume_common::{
     activity_pub::{
         inbox::{AsActor, AsObject, FromId},
         sign::Signer,
-        Hashtag, Id, IntoId, Licensed, Source, PUBLIC_VISIBILITY,
+        Hashtag, HashtagType, Id, IntoId, Licensed, LicensedArticle, ToAsString, ToAsUri,
+        PUBLIC_VISIBILITY,
     },
     utils::{iri_percent_encode_seg, md_to_html},
 };
@@ -24,8 +28,6 @@ use riker::actors::{Publish, Tell};
 use std::collections::{HashMap, HashSet};
 use std::sync::{Arc, Mutex};
 
-pub type LicensedArticle = CustomObject<Licensed, Article>;
-
 static BLOG_FQN_CACHE: Lazy<Mutex<HashMap<i32, String>>> = Lazy::new(|| Mutex::new(HashMap::new()));
 
 #[derive(Queryable, Identifiable, Clone, AsChangeset, Debug)]
@@ -353,92 +355,92 @@ impl Post {
             .collect::<Vec<serde_json::Value>>();
         mentions_json.append(&mut tags_json);
 
-        let mut article = Article::default();
+        let mut article = ApObject::new(Article::new());
-        article.object_props.set_name_string(self.title.clone())?;
+        article.set_name(self.title.clone());
-        article.object_props.set_id_string(self.ap_url.clone())?;
+        article.set_id(self.ap_url.parse::<IriString>()?);
 
         let mut authors = self
             .get_authors(conn)?
             .into_iter()
-            .map(|x| Id::new(x.ap_url))
+            .filter_map(|x| x.ap_url.parse::<IriString>().ok())
-            .collect::<Vec<Id>>();
+            .collect::<Vec<IriString>>();
-        authors.push(self.get_blog(conn)?.into_id()); // add the blog URL here too
+        authors.push(self.get_blog(conn)?.ap_url.parse::<IriString>()?); // add the blog URL here too
-        article
+        article.set_many_attributed_tos(authors);
-            .object_props
+        article.set_content(self.content.get().clone());
-            .set_attributed_to_link_vec::<Id>(authors)?;
+        let source = AnyBase::from_arbitrary_json(serde_json::json!({
-        article
+            "content": self.source,
-            .object_props
+            "mediaType": "text/markdown",
-            .set_content_string(self.content.get().clone())?;
+        }))?;
-        article.ap_object_props.set_source_object(Source {
+        article.set_source(source);
-            content: self.source.clone(),
+        article.set_published(
-            media_type: String::from("text/markdown"),
+            OffsetDateTime::from_unix_timestamp_nanos(self.creation_date.timestamp_nanos().into())
-        })?;
+                .expect("OffsetDateTime"),
-        article
+        );
-            .object_props
+        article.set_summary(&*self.subtitle);
-            .set_published_utctime(Utc.from_utc_datetime(&self.creation_date))?;
+        article.set_many_tags(
-        article
+            mentions_json
-            .object_props
+                .iter()
-            .set_summary_string(self.subtitle.clone())?;
+                .filter_map(|mention_json| AnyBase::from_arbitrary_json(mention_json).ok()),
-        article.object_props.tag = Some(json!(mentions_json));
+        );
 
         if let Some(media_id) = self.cover_id {
             let media = Media::get(conn, media_id)?;
-            let mut cover = Image::default();
+            let mut cover = Image::new();
-            cover.object_props.set_url_string(media.url()?)?;
+            cover.set_url(media.url()?);
             if media.sensitive {
-                cover
+                cover.set_summary(media.content_warning.unwrap_or_default());
-                    .object_props
-                    .set_summary_string(media.content_warning.unwrap_or_default())?;
             }
-            cover.object_props.set_content_string(media.alt_text)?;
+            cover.set_content(media.alt_text);
-            cover
+            cover.set_many_attributed_tos(vec![User::get(conn, media.owner_id)?
-                .object_props
+                .ap_url
-                .set_attributed_to_link_vec(vec![User::get(conn, media.owner_id)?.into_id()])?;
+                .parse::<IriString>()?]);
-            article.object_props.set_icon_object(cover)?;
+            article.set_icon(cover.into_any_base()?);
         }
 
-        article.object_props.set_url_string(self.ap_url.clone())?;
+        article.set_url(self.ap_url.parse::<IriString>()?);
-        article
+        article.set_many_tos(
-            .object_props
+            to.into_iter()
-            .set_to_link_vec::<Id>(to.into_iter().map(Id::new).collect())?;
+                .filter_map(|to| to.parse::<IriString>().ok())
-        article
+                .collect::<Vec<IriString>>(),
-            .object_props
+        );
-            .set_cc_link_vec::<Id>(cc.into_iter().map(Id::new).collect())?;
+        article.set_many_ccs(
-        let mut license = Licensed::default();
+            cc.into_iter()
-        license.set_license_string(self.license.clone())?;
+                .filter_map(|cc| cc.parse::<IriString>().ok())
+                .collect::<Vec<IriString>>(),
+        );
+        let license = Licensed {
+            license: Some(self.license.clone()),
+        };
         Ok(LicensedArticle::new(article, license))
     }
 
     pub fn create_activity(&self, conn: &Connection) -> Result<Create> {
         let article = self.to_activity(conn)?;
-        let mut act = Create::default();
+        let to = article.to().ok_or(Error::MissingApProperty)?.clone();
-        act.object_props
+        let cc = article.cc().ok_or(Error::MissingApProperty)?.clone();
-            .set_id_string(format!("{}/activity", self.ap_url))?;
+        let mut act = Create::new(
-        act.object_props
+            self.get_authors(conn)?[0].ap_url.parse::<IriString>()?,
-            .set_to_link_vec::<Id>(article.object.object_props.to_link_vec()?)?;
+            Base::retract(article)?.into_generic()?,
-        act.object_props
+        );
-            .set_cc_link_vec::<Id>(article.object.object_props.cc_link_vec()?)?;
+        act.set_id(format!("{}/activity", self.ap_url).parse::<IriString>()?);
-        act.create_props
+        act.set_many_tos(to);
-            .set_actor_link(Id::new(self.get_authors(conn)?[0].clone().ap_url))?;
+        act.set_many_ccs(cc);
-        act.create_props.set_object_object(article)?;
         Ok(act)
     }
 
     pub fn update_activity(&self, conn: &Connection) -> Result<Update> {
         let article = self.to_activity(conn)?;
-        let mut act = Update::default();
+        let to = article.to().ok_or(Error::MissingApProperty)?.clone();
-        act.object_props.set_id_string(format!(
+        let cc = article.cc().ok_or(Error::MissingApProperty)?.clone();
-            "{}/update-{}",
+        let mut act = Update::new(
-            self.ap_url,
+            self.get_authors(conn)?[0].ap_url.parse::<IriString>()?,
-            Utc::now().timestamp()
+            Base::retract(article)?.into_generic()?,
-        ))?;
+        );
-        act.object_props
+        act.set_id(
-            .set_to_link_vec::<Id>(article.object.object_props.to_link_vec()?)?;
+            format!("{}/update-{}", self.ap_url, Utc::now().timestamp()).parse::<IriString>()?,
-        act.object_props
+        );
-            .set_cc_link_vec::<Id>(article.object.object_props.cc_link_vec()?)?;
+        act.set_many_tos(to);
-        act.update_props
+        act.set_many_ccs(cc);
-            .set_actor_link(Id::new(self.get_authors(conn)?[0].clone().ap_url))?;
-        act.update_props.set_object_object(article)?;
         Ok(act)
     }
 
@@ -447,10 +449,8 @@ impl Post {
             .into_iter()
             .map(|m| {
                 (
-                    m.link_props
+                    m.href()
-                        .href_string()
+                        .and_then(|ap_url| User::find_by_ap_url(conn, ap_url.as_ref()).ok())
-                        .ok()
-                        .and_then(|ap_url| User::find_by_ap_url(conn, &ap_url).ok())
                         .map(|u| u.id),
                     m,
                 )
@@ -485,7 +485,7 @@ impl Post {
     pub fn update_tags(&self, conn: &Connection, tags: Vec<Hashtag>) -> Result<()> {
         let tags_name = tags
             .iter()
-            .filter_map(|t| t.name_string().ok())
+            .filter_map(|t| t.name.as_ref().map(|name| name.as_str().to_string()))
             .collect::<HashSet<_>>();
 
         let old_tags = Tag::for_post(&*conn, self.id)?;
@@ -502,8 +502,9 @@ impl Post {
 
         for t in tags {
             if !t
-                .name_string()
+                .name
-                .map(|n| old_tags_name.contains(&n))
+                .as_ref()
+                .map(|n| old_tags_name.contains(n.as_str()))
                 .unwrap_or(true)
             {
                 Tag::from_activity(conn, &t, self.id, false)?;
@@ -521,7 +522,7 @@ impl Post {
     pub fn update_hashtags(&self, conn: &Connection, tags: Vec<Hashtag>) -> Result<()> {
         let tags_name = tags
             .iter()
-            .filter_map(|t| t.name_string().ok())
+            .filter_map(|t| t.name.as_ref().map(|name| name.as_str().to_string()))
             .collect::<HashSet<_>>();
 
         let old_tags = Tag::for_post(&*conn, self.id)?;
@@ -538,8 +539,9 @@ impl Post {
 
         for t in tags {
             if !t
-                .name_string()
+                .name
-                .map(|n| old_tags_name.contains(&n))
+                .as_ref()
+                .map(|n| old_tags_name.contains(n.as_str()))
                 .unwrap_or(true)
             {
                 Tag::from_activity(conn, &t, self.id, true)?;
@@ -566,18 +568,19 @@ impl Post {
     }
 
     pub fn build_delete(&self, conn: &Connection) -> Result<Delete> {
-        let mut act = Delete::default();
+        let mut tombstone = Tombstone::new();
-        act.delete_props
+        tombstone.set_id(self.ap_url.parse()?);
-            .set_actor_link(self.get_authors(conn)?[0].clone().into_id())?;
 
-        let mut tombstone = Tombstone::default();
+        let mut act = Delete::new(
-        tombstone.object_props.set_id_string(self.ap_url.clone())?;
+            self.get_authors(conn)?[0]
-        act.delete_props.set_object_object(tombstone)?;
+                .clone()
+                .into_id()
+                .parse::<IriString>()?,
+            Base::retract(tombstone)?.into_generic()?,
+        );
 
-        act.object_props
+        act.set_id(format!("{}#delete", self.ap_url).parse()?);
-            .set_id_string(format!("{}#delete", self.ap_url))?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY)])?;
         Ok(act)
     }
 
@@ -621,47 +624,82 @@ impl FromId<DbConn> for Post {
     }
 
     fn from_activity(conn: &DbConn, article: LicensedArticle) -> Result<Self> {
-        let conn = conn;
+        let license = article.ext_one.license.unwrap_or_default();
-        let license = article.custom_props.license_string().unwrap_or_default();
+        let article = article.inner;
-        let article = article.object;
 
         let (blog, authors) = article
-            .object_props
+            .ap_object_ref()
-            .attributed_to_link_vec::<Id>()?
+            .attributed_to()
-            .into_iter()
+            .ok_or(Error::MissingApProperty)?
+            .iter()
             .fold((None, vec![]), |(blog, mut authors), link| {
-                let url = link;
+                if let Some(url) = link.id() {
-                match User::from_id(conn, &url, None, CONFIG.proxy()) {
+                    match User::from_id(conn, url.as_str(), None, CONFIG.proxy()) {
                         Ok(u) => {
                             authors.push(u);
                             (blog, authors)
                         }
                         Err(_) => (
-                        blog.or_else(|| Blog::from_id(conn, &url, None, CONFIG.proxy()).ok()),
+                            blog.or_else(|| {
+                                Blog::from_id(conn, url.as_str(), None, CONFIG.proxy()).ok()
+                            }),
                             authors,
                         ),
                     }
+                } else {
+                    // logically, url possible to be an object without id proprty like {"type":"Person", "name":"Sally"} but we ignore the case
+                    (blog, authors)
+                }
             });
 
-        let cover = article
+        let cover = article.icon().and_then(|icon| {
-            .object_props
+            icon.iter().next().and_then(|img| {
-            .icon_object::<Image>()
+                let image = img.to_owned().extend::<Image, ImageType>().ok()??;
-            .ok()
+                Media::from_activity(conn, &image).ok().map(|m| m.id)
-            .and_then(|img| Media::from_activity(conn, &img).ok().map(|m| m.id));
+            })
+        });
 
-        let title = article.object_props.name_string()?;
+        let title = article
+            .name()
+            .and_then(|name| name.to_as_string())
+            .ok_or(Error::MissingApProperty)?;
+        let id = AnyBase::from_extended(article.clone()) // FIXME: Don't clone
+            .ok()
+            .ok_or(Error::MissingApProperty)?
+            .id()
+            .map(|id| id.to_string());
         let ap_url = article
-            .object_props
+            .url()
-            .url_string()
+            .and_then(|url| url.to_as_uri().or(id))
-            .or_else(|_| article.object_props.id_string())?;
+            .ok_or(Error::MissingApProperty)?;
+        let source = article
+            .source()
+            .and_then(|s| {
+                serde_json::to_value(s).ok().and_then(|obj| {
+                    if !obj.is_object() {
+                        return None;
+                    }
+                    obj.get("content")
+                        .and_then(|content| content.as_str().map(|c| c.to_string()))
+                })
+            })
+            .unwrap_or_default();
         let post = Post::from_db(conn, &ap_url)
             .and_then(|mut post| {
                 let mut updated = false;
 
                 let slug = Self::slug(&title);
-                let content = SafeString::new(&article.object_props.content_string()?);
+                let content = SafeString::new(
-                let subtitle = article.object_props.summary_string()?;
+                    &article
-                let source = article.ap_object_props.source_object::<Source>()?.content;
+                        .content()
+                        .and_then(|content| content.to_as_string())
+                        .ok_or(Error::MissingApProperty)?,
+                );
+                let subtitle = article
+                    .summary()
+                    .and_then(|summary| summary.to_as_string())
+                    .ok_or(Error::MissingApProperty)?;
+
                 if post.slug != slug {
                     post.slug = slug.to_string();
                     updated = true;
@@ -683,7 +721,7 @@ impl FromId<DbConn> for Post {
                     updated = true;
                 }
                 if post.source != source {
-                    post.source = source;
+                    post.source = source.clone();
                     updated = true;
                 }
                 if post.cover_id != cover {
@@ -704,14 +742,27 @@ impl FromId<DbConn> for Post {
                         blog_id: blog.ok_or(Error::NotFound)?.id,
                         slug: Self::slug(&title).to_string(),
                         title,
-                        content: SafeString::new(&article.object_props.content_string()?),
+                        content: SafeString::new(
+                            &article
+                                .content()
+                                .and_then(|content| content.to_as_string())
+                                .ok_or(Error::MissingApProperty)?,
+                        ),
                         published: true,
                         license,
                         // FIXME: This is wrong: with this logic, we may use the display URL as the AP ID. We need two different fields
                         ap_url,
-                        creation_date: Some(article.object_props.published_utctime()?.naive_utc()),
+                        creation_date: article.published().map(|published| {
-                        subtitle: article.object_props.summary_string()?,
+                            let timestamp_secs = published.unix_timestamp();
-                        source: article.ap_object_props.source_object::<Source>()?.content,
+                            let timestamp_nanos = published.unix_timestamp_nanos()
+                                - (timestamp_secs as i128) * 1000i128 * 1000i128 * 1000i128;
+                            NaiveDateTime::from_timestamp(timestamp_secs, timestamp_nanos as u32)
+                        }),
+                        subtitle: article
+                            .summary()
+                            .and_then(|summary| summary.to_as_string())
+                            .ok_or(Error::MissingApProperty)?,
+                        source,
                         cover_id: cover,
                     },
                 )
@@ -735,22 +786,22 @@ impl FromId<DbConn> for Post {
             .2
             .into_iter()
             .collect::<HashSet<_>>();
-        if let Some(serde_json::Value::Array(tags)) = article.object_props.tag {
+        if let Some(tags) = article.tag() {
-            for tag in tags {
+            for tag in tags.iter() {
-                serde_json::from_value::<link::Mention>(tag.clone())
+                tag.clone()
-                    .map(|m| Mention::from_activity(conn, &m, post.id, true, true))
+                    .extend::<link::Mention, MentionType>() // FIXME: Don't clone
+                    .map(|mention| {
+                        mention.map(|m| Mention::from_activity(conn, &m, post.id, true, true))
+                    })
                     .ok();
 
-                serde_json::from_value::<Hashtag>(tag.clone())
+                tag.clone()
-                    .map_err(Error::from)
+                    .extend::<Hashtag, HashtagType>() // FIXME: Don't clone
-                    .and_then(|t| {
+                    .map(|hashtag| {
-                        let tag_name = t.name_string()?;
+                        hashtag.and_then(|t| {
-                        Ok(Tag::from_activity(
+                            let tag_name = t.name.clone()?.as_str().to_string();
-                            conn,
+                            Tag::from_activity(conn, &t, post.id, hashtags.remove(&tag_name)).ok()
-                            &t,
+                        })
-                            post.id,
-                            hashtags.remove(&tag_name),
-                        ))
                     })
                     .ok();
             }
@@ -762,15 +813,15 @@ impl FromId<DbConn> for Post {
     }
 
     fn get_sender() -> &'static dyn Signer {
-        Instance::get_local_instance_user().expect("Failed to local instance user")
+        Instance::get_local_instance_user().expect("Failed to get local instance user")
     }
 }
 
 impl AsObject<User, Create, &DbConn> for Post {
     type Error = Error;
-    type Output = Post;
+    type Output = Self;
 
-    fn activity(self, _conn: &DbConn, _actor: User, _id: &str) -> Result<Post> {
+    fn activity(self, _conn: &DbConn, _actor: User, _id: &str) -> Result<Self::Output> {
         // TODO: check that _actor is actually one of the author?
         Ok(self)
     }
@@ -780,7 +831,7 @@ impl AsObject<User, Delete, &DbConn> for Post {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<Self::Output> {
         let can_delete = self
             .get_authors(conn)?
             .into_iter()
@@ -813,27 +864,54 @@ impl FromId<DbConn> for PostUpdate {
         Err(Error::NotFound)
     }
 
-    fn from_activity(conn: &DbConn, updated: LicensedArticle) -> Result<Self> {
+    fn from_activity(conn: &DbConn, updated: Self::Object) -> Result<Self> {
-        Ok(PostUpdate {
+        let mut post_update = PostUpdate {
-            ap_url: updated.object.object_props.id_string()?,
+            ap_url: updated
-            title: updated.object.object_props.name_string().ok(),
+                .ap_object_ref()
-            subtitle: updated.object.object_props.summary_string().ok(),
+                .id_unchecked()
-            content: updated.object.object_props.content_string().ok(),
+                .ok_or(Error::MissingApProperty)?
-            cover: updated
+                .to_string(),
-                .object
+            title: updated
-                .object_props
+                .ap_object_ref()
-                .icon_object::<Image>()
+                .name()
-                .ok()
+                .and_then(|name| name.to_as_string()),
-                .and_then(|img| Media::from_activity(conn, &img).ok().map(|m| m.id)),
+            subtitle: updated
-            source: updated
+                .ap_object_ref()
-                .object
+                .summary()
-                .ap_object_props
+                .and_then(|summary| summary.to_as_string()),
-                .source_object::<Source>()
+            content: updated
-                .ok()
+                .ap_object_ref()
-                .map(|x| x.content),
+                .content()
-            license: updated.custom_props.license_string().ok(),
+                .and_then(|content| content.to_as_string()),
-            tags: updated.object.object_props.tag,
+            cover: None,
+            source: updated.source().and_then(|s| {
+                serde_json::to_value(s).ok().and_then(|obj| {
+                    if !obj.is_object() {
+                        return None;
+                    }
+                    obj.get("content")
+                        .and_then(|content| content.as_str().map(|c| c.to_string()))
                 })
+            }),
+            license: None,
+            tags: updated
+                .tag()
+                .and_then(|tags| serde_json::to_value(tags).ok()),
+        };
+        post_update.cover = updated.ap_object_ref().icon().and_then(|img| {
+            img.iter()
+                .next()
+                .and_then(|img| {
+                    img.clone()
+                        .extend::<Image, ImageType>()
+                        .map(|img| img.and_then(|img| Media::from_activity(conn, &img).ok()))
+                        .ok()
+                })
+                .and_then(|m| m.map(|m| m.id))
+        });
+        post_update.license = updated.ext_one.license;
+
+        Ok(post_update)
     }
 
     fn get_sender() -> &'static dyn Signer {
@@ -893,8 +971,12 @@ impl AsObject<User, Update, &DbConn> for PostUpdate {
                 serde_json::from_value::<Hashtag>(tag.clone())
                     .map_err(Error::from)
                     .and_then(|t| {
-                        let tag_name = t.name_string()?;
+                        let tag_name = t.name.as_ref().ok_or(Error::MissingApProperty)?;
-                        if txt_hashtags.remove(&tag_name) {
+                        let tag_name_str = tag_name
+                            .as_xsd_string()
+                            .or_else(|| tag_name.as_rdf_lang_string().map(|rls| &*rls.value))
+                            .ok_or(Error::MissingApProperty)?;
+                        if txt_hashtags.remove(tag_name_str) {
                             hashtags.push(t);
                         } else {
                             tags.push(t);
@@ -1015,49 +1097,6 @@ mod tests {
         });
     }
 
-    #[test]
-    fn licensed_article_serde() {
-        let mut article = Article::default();
-        article.object_props.set_id_string("Yo".into()).unwrap();
-        let mut license = Licensed::default();
-        license.set_license_string("WTFPL".into()).unwrap();
-        let full_article = LicensedArticle::new(article, license);
-
-        let json = serde_json::to_value(full_article).unwrap();
-        let article_from_json: LicensedArticle = serde_json::from_value(json).unwrap();
-        assert_eq!(
-            "Yo",
-            &article_from_json.object.object_props.id_string().unwrap()
-        );
-        assert_eq!(
-            "WTFPL",
-            &article_from_json.custom_props.license_string().unwrap()
-        );
-    }
-
-    #[test]
-    fn licensed_article_deserialization() {
-        let json = json!({
-            "type": "Article",
-            "id": "https://plu.me/~/Blog/my-article",
-            "attributedTo": ["https://plu.me/@/Admin", "https://plu.me/~/Blog"],
-            "content": "Hello.",
-            "name": "My Article",
-            "summary": "Bye.",
-            "source": {
-                "content": "Hello.",
-                "mediaType": "text/markdown"
-            },
-            "published": "2014-12-12T12:12:12Z",
-            "to": [plume_common::activity_pub::PUBLIC_VISIBILITY]
-        });
-        let article: LicensedArticle = serde_json::from_value(json).unwrap();
-        assert_eq!(
-            "https://plu.me/~/Blog/my-article",
-            &article.object.object_props.id_string().unwrap()
-        );
-    }
-
     #[test]
     fn to_activity() {
         let conn = db();
@@ -1074,10 +1113,10 @@ mod tests {
                 "name": "Testing",
                 "published": format_datetime(&post.creation_date),
                 "source": {
-                    "content": "",
+                    "content": "Hello",
                     "mediaType": "text/markdown"
                 },
-                "summary": "",
+                "summary": "Bye",
                 "tag": [
                     {
                         "href": "https://plu.me/@/user/",
@@ -1116,10 +1155,10 @@ mod tests {
                     "name": "Testing",
                     "published": format_datetime(&post.creation_date),
                     "source": {
-                        "content": "",
+                        "content": "Hello",
                         "mediaType": "text/markdown"
                     },
-                    "summary": "",
+                    "summary": "Bye",
                     "tag": [
                         {
                             "href": "https://plu.me/@/user/",
@@ -1161,10 +1200,10 @@ mod tests {
                     "name": "Testing",
                     "published": format_datetime(&post.creation_date),
                     "source": {
-                        "content": "",
+                        "content": "Hello",
                         "mediaType": "text/markdown"
                     },
-                    "summary": "",
+                    "summary": "Bye",
                     "tag": [
                         {
                             "href": "https://plu.me/@/user/",
@@ -1200,10 +1239,36 @@ mod tests {
                 if key == "id" {
                     continue;
                 }
-                assert_eq!(value, expected.get(key).unwrap());
+                assert_json_eq!(value, expected.get(key).unwrap());
             }
 
             Ok(())
         });
     }
+
+    #[test]
+    fn build_delete() {
+        let conn = db();
+        conn.test_transaction::<_, Error, _>(|| {
+            let (post, _mention, _posts, _users, _blogs) = prepare_activity(&conn);
+            let act = post.build_delete(&conn)?;
+
+            let expected = json!({
+                "actor": "https://plu.me/@/admin/",
+                "id": "https://plu.me/~/BlogName/testing#delete",
+                "object": {
+                    "id": "https://plu.me/~/BlogName/testing",
+                    "type": "Tombstone"
+                },
+                "to": [
+                    "https://www.w3.org/ns/activitystreams#Public"
+                ],
+                "type": "Delete"
+            });
+
+            assert_json_eq!(to_value(act)?, expected);
+
+            Ok(())
+        });
+    }
 }

plume-models/src/remote_fetch_actor.rs

@@ -1,12 +1,16 @@
 use crate::{
     db_conn::{DbConn, DbPool},
     follows,
-    posts::{LicensedArticle, Post},
+    posts::Post,
     users::{User, UserEvent},
     ACTOR_SYS, CONFIG, USER_CHAN,
 };
-use activitypub::activity::Create;
+use activitystreams::{
-use plume_common::activity_pub::inbox::FromId;
+    activity::{ActorAndObjectRef, Create},
+    base::AnyBase,
+    object::kind::ArticleType,
+};
+use plume_common::activity_pub::{inbox::FromId, LicensedArticle};
 use riker::actors::{Actor, ActorFactoryArgs, ActorRefFactory, Context, Sender, Subscribe, Tell};
 use std::sync::Arc;
 use tracing::{error, info, warn};
@@ -68,13 +72,17 @@ fn fetch_and_cache_articles(user: &Arc<User>, conn: &DbConn) {
     match create_acts {
         Ok(create_acts) => {
             for create_act in create_acts {
-                match create_act.create_props.object_object::<LicensedArticle>() {
+                match create_act.object_field_ref().as_single_base().map(|base| {
-                    Ok(article) => {
+                    let any_base = AnyBase::from_base(base.clone()); // FIXME: Don't clone()
+                    any_base.extend::<LicensedArticle, ArticleType>()
+                }) {
+                    Some(Ok(Some(article))) => {
                         Post::from_activity(conn, article)
                             .expect("Article from remote user couldn't be saved");
                         info!("Fetched article from remote user");
                     }
-                    Err(e) => warn!("Error while fetching articles in background: {:?}", e),
+                    Some(Err(e)) => warn!("Error while fetching articles in background: {:?}", e),
+                    _ => warn!("Error while fetching articles in background"),
                 }
             }
         }

plume-models/src/reshares.rs

@@ -2,13 +2,18 @@ use crate::{
     db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::reshares,
     timeline::*, users::User, Connection, Error, Result, CONFIG,
 };
-use activitypub::activity::{Announce, Undo};
+use activitystreams::{
+    activity::{ActorAndObjectRef, Announce, Undo},
+    base::AnyBase,
+    iri_string::types::IriString,
+    prelude::*,
+};
 use chrono::NaiveDateTime;
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
 use plume_common::activity_pub::{
     inbox::{AsActor, AsObject, FromId},
     sign::Signer,
-    Id, IntoId, PUBLIC_VISIBILITY,
+    PUBLIC_VISIBILITY,
 };
 
 #[derive(Clone, Queryable, Identifiable)]
@@ -61,16 +66,16 @@ impl Reshare {
     }
 
     pub fn to_activity(&self, conn: &Connection) -> Result<Announce> {
-        let mut act = Announce::default();
+        let mut act = Announce::new(
-        act.announce_props
+            User::get(conn, self.user_id)?.ap_url.parse::<IriString>()?,
-            .set_actor_link(User::get(conn, self.user_id)?.into_id())?;
+            Post::get(conn, self.post_id)?.ap_url.parse::<IriString>()?,
-        act.announce_props
+        );
-            .set_object_link(Post::get(conn, self.post_id)?.into_id())?;
+        act.set_id(self.ap_url.parse::<IriString>()?);
-        act.object_props.set_id_string(self.ap_url.clone())?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
+        act.set_many_ccs(vec![self
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
+            .get_user(conn)?
-        act.object_props
+            .followers_endpoint
-            .set_cc_link_vec(vec![Id::new(self.get_user(conn)?.followers_endpoint)])?;
+            .parse::<IriString>()?]);
 
         Ok(act)
     }
@@ -93,16 +98,16 @@ impl Reshare {
     }
 
     pub fn build_undo(&self, conn: &Connection) -> Result<Undo> {
-        let mut act = Undo::default();
+        let mut act = Undo::new(
-        act.undo_props
+            User::get(conn, self.user_id)?.ap_url.parse::<IriString>()?,
-            .set_actor_link(User::get(conn, self.user_id)?.into_id())?;
+            AnyBase::from_extended(self.to_activity(conn)?)?,
-        act.undo_props.set_object_object(self.to_activity(conn)?)?;
+        );
-        act.object_props
+        act.set_id(format!("{}#delete", self.ap_url).parse::<IriString>()?);
-            .set_id_string(format!("{}#delete", self.ap_url))?;
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        act.object_props
+        act.set_many_ccs(vec![self
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY.to_string())])?;
+            .get_user(conn)?
-        act.object_props
+            .followers_endpoint
-            .set_cc_link_vec(vec![Id::new(self.get_user(conn)?.followers_endpoint)])?;
+            .parse::<IriString>()?]);
 
         Ok(act)
     }
@@ -143,7 +148,10 @@ impl FromId<DbConn> for Reshare {
             NewReshare {
                 post_id: Post::from_id(
                     conn,
-                    &act.announce_props.object_link::<Id>()?,
+                    act.object_field_ref()
+                        .as_single_id()
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str(),
                     None,
                     CONFIG.proxy(),
                 )
@@ -151,13 +159,19 @@ impl FromId<DbConn> for Reshare {
                 .id,
                 user_id: User::from_id(
                     conn,
-                    &act.announce_props.actor_link::<Id>()?,
+                    act.actor_field_ref()
+                        .as_single_id()
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str(),
                     None,
                     CONFIG.proxy(),
                 )
                 .map_err(|(_, e)| e)?
                 .id,
-                ap_url: act.object_props.id_string()?,
+                ap_url: act
+                    .id_unchecked()
+                    .ok_or(Error::MissingApProperty)?
+                    .to_string(),
             },
         )?;
         res.notify(conn)?;

plume-models/src/tags.rs

@@ -1,6 +1,7 @@
 use crate::{ap_url, instance::Instance, schema::tags, Connection, Error, Result};
+use activitystreams::iri_string::types::IriString;
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
-use plume_common::activity_pub::Hashtag;
+use plume_common::activity_pub::{Hashtag, HashtagExt};
 
 #[derive(Clone, Identifiable, Queryable)]
 pub struct Tag {
@@ -25,13 +26,16 @@ impl Tag {
     list_by!(tags, for_post, post_id as i32);
 
     pub fn to_activity(&self) -> Result<Hashtag> {
-        let mut ht = Hashtag::default();
+        let mut ht = Hashtag::new();
-        ht.set_href_string(ap_url(&format!(
+        ht.set_href(
+            ap_url(&format!(
                 "{}/tag/{}",
                 Instance::get_local()?.public_domain,
                 self.tag
-        )))?;
+            ))
-        ht.set_name_string(self.tag.clone())?;
+            .parse::<IriString>()?,
+        );
+        ht.set_name(self.tag.clone());
         Ok(ht)
     }
 
@@ -44,7 +48,7 @@ impl Tag {
         Tag::insert(
             conn,
             NewTag {
-                tag: tag.name_string()?,
+                tag: tag.name().ok_or(Error::MissingApProperty)?.as_str().into(),
                 is_hashtag,
                 post_id: post,
             },
@@ -52,13 +56,16 @@ impl Tag {
     }
 
     pub fn build_activity(tag: String) -> Result<Hashtag> {
-        let mut ht = Hashtag::default();
+        let mut ht = Hashtag::new();
-        ht.set_href_string(ap_url(&format!(
+        ht.set_href(
+            ap_url(&format!(
                 "{}/tag/{}",
                 Instance::get_local()?.public_domain,
                 tag
-        )))?;
+            ))
-        ht.set_name_string(tag)?;
+            .parse::<IriString>()?,
+        );
+        ht.set_name(tag);
         Ok(ht)
     }
 
@@ -78,6 +85,24 @@ mod tests {
     use assert_json_diff::assert_json_eq;
     use serde_json::to_value;
 
+    #[test]
+    fn from_activity() {
+        let conn = &db();
+        conn.test_transaction::<_, Error, _>(|| {
+            let (posts, _users, _blogs) = fill_database(conn);
+            let post_id = posts[0].id;
+            let mut ht = Hashtag::new();
+            ht.set_href(ap_url(&format!("https://plu.me/tag/a_tag")).parse::<IriString>()?);
+            ht.set_name("a_tag".to_string());
+            let tag = Tag::from_activity(conn, &ht, post_id, true)?;
+
+            assert_eq!(&tag.tag, "a_tag");
+            assert!(tag.is_hashtag);
+
+            Ok(())
+        });
+    }
+
     #[test]
     fn to_activity() {
         let conn = &db();
@@ -102,24 +127,6 @@ mod tests {
         })
     }
 
-    #[test]
-    fn from_activity() {
-        let conn = &db();
-        conn.test_transaction::<_, Error, _>(|| {
-            let (posts, _users, _blogs) = fill_database(conn);
-            let post_id = posts[0].id;
-            let mut ht = Hashtag::default();
-            ht.set_href_string(ap_url(&format!("https://plu.me/tag/a_tag")))?;
-            ht.set_name_string("a_tag".into())?;
-            let tag = Tag::from_activity(conn, &ht, post_id, true)?;
-
-            assert_eq!(&tag.tag, "a_tag");
-            assert!(tag.is_hashtag);
-
-            Ok(())
-        });
-    }
-
     #[test]
     fn build_activity() {
         let conn = &db();

plume-models/src/users.rs

@@ -4,12 +4,15 @@ use crate::{
     safe_string::SafeString, schema::users, timeline::Timeline, Connection, Error, Result,
     UserEvent::*, CONFIG, ITEMS_PER_PAGE, USER_CHAN,
 };
-use activitypub::{
+use activitystreams::{
     activity::Delete,
-    actor::Person,
+    actor::{ApActor, AsApActor, Endpoints, Person},
+    base::{AnyBase, Base},
     collection::{OrderedCollection, OrderedCollectionPage},
-    object::{Image, Tombstone},
+    iri_string::types::IriString,
-    Activity, CustomObject, Endpoint,
+    markers::Activity,
+    object::{kind::ImageType, AsObject as _, Image, Tombstone},
+    prelude::*,
 };
 use chrono::{NaiveDateTime, Utc};
 use diesel::{self, BelongingToDsl, ExpressionMethods, OptionalExtension, QueryDsl, RunQueryDsl};
@@ -25,7 +28,8 @@ use plume_common::{
         inbox::{AsActor, AsObject, FromId},
         request::get,
         sign::{gen_keypair, Error as SignError, Result as SignResult, Signer},
-        ActivityStream, ApSignature, Id, IntoId, PublicKey, PUBLIC_VISIBILITY,
+        ActivityStream, ApSignature, CustomPerson, Id, IntoId, PublicKey, ToAsString, ToAsUri,
+        PUBLIC_VISIBILITY,
     },
     utils,
 };
@@ -39,11 +43,8 @@ use std::{
     hash::{Hash, Hasher},
     sync::Arc,
 };
-use url::Url;
 use webfinger::*;
 
-pub type CustomPerson = CustomObject<ApSignature, Person>;
-
 pub enum Role {
     Admin = 0,
     Moderator = 1,
@@ -247,8 +248,18 @@ impl User {
         let text = &res.text()?;
         // without this workaround, publicKey is not correctly deserialized
         let ap_sign = serde_json::from_str::<ApSignature>(text)?;
-        let mut json = serde_json::from_str::<CustomPerson>(text)?;
+        let person = serde_json::from_str::<Person>(text)?;
-        json.custom_props = ap_sign;
+        let json = CustomPerson::new(
+            ApActor::new(
+                person
+                    .clone()
+                    .id_unchecked()
+                    .ok_or(Error::MissingApProperty)?
+                    .to_owned(),
+                person,
+            ),
+            ap_sign,
+        ); // FIXME: Don't clone()
         Ok(json)
     }
 
@@ -260,35 +271,56 @@ impl User {
         User::fetch(&self.ap_url.clone()).and_then(|json| {
             let avatar = Media::save_remote(
                 conn,
-                json.object
+                json.ap_actor_ref()
-                    .object_props
+                    .icon()
-                    .icon_image()? // FIXME: Fails when icon is not set
+                    .ok_or(Error::MissingApProperty)? // FIXME: Fails when icon is not set
-                    .object_props
+                    .iter()
-                    .url_string()?,
+                    .next()
+                    .and_then(|i| {
+                        i.clone()
+                            .extend::<Image, ImageType>() // FIXME: Don't clone()
+                            .ok()?
+                            .and_then(|url| Some(url.id_unchecked()?.to_string()))
+                    })
+                    .ok_or(Error::MissingApProperty)?,
                 self,
             )
             .ok();
 
+            let pub_key = &json.ext_one.public_key.public_key_pem;
             diesel::update(self)
                 .set((
-                    users::username.eq(json.object.ap_actor_props.preferred_username_string()?),
+                    users::username.eq(json
-                    users::display_name.eq(json.object.object_props.name_string()?),
+                        .ap_actor_ref()
-                    users::outbox_url.eq(json.object.ap_actor_props.outbox_string()?),
+                        .preferred_username()
-                    users::inbox_url.eq(json.object.ap_actor_props.inbox_string()?),
+                        .ok_or(Error::MissingApProperty)?),
+                    users::display_name.eq(json
+                        .ap_actor_ref()
+                        .name()
+                        .ok_or(Error::MissingApProperty)?
+                        .to_as_string()
+                        .ok_or(Error::MissingApProperty)?),
+                    users::outbox_url.eq(json
+                        .ap_actor_ref()
+                        .outbox()?
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str()),
+                    users::inbox_url.eq(json.ap_actor_ref().inbox()?.as_str()),
                     users::summary.eq(SafeString::new(
                         &json
-                            .object
+                            .ap_actor_ref()
-                            .object_props
+                            .summary()
-                            .summary_string()
+                            .and_then(|summary| summary.to_as_string())
                             .unwrap_or_default(),
                     )),
-                    users::followers_endpoint.eq(json.object.ap_actor_props.followers_string()?),
+                    users::followers_endpoint.eq(json
+                        .ap_actor_ref()
+                        .followers()?
+                        .ok_or(Error::MissingApProperty)?
+                        .as_str()),
                     users::avatar_id.eq(avatar.map(|a| a.id)),
                     users::last_fetched_date.eq(Utc::now().naive_utc()),
-                    users::public_key.eq(json
+                    users::public_key.eq(pub_key),
-                        .custom_props
-                        .public_key_publickey()?
-                        .public_key_pem_string()?),
                 ))
                 .execute(conn)
                 .map(|_| ())
@@ -432,17 +464,16 @@ impl User {
         Ok(ActivityStream::new(self.outbox_collection(conn)?))
     }
     pub fn outbox_collection(&self, conn: &Connection) -> Result<OrderedCollection> {
-        let mut coll = OrderedCollection::default();
+        let mut coll = OrderedCollection::new();
         let first = &format!("{}?page=1", &self.outbox_url);
         let last = &format!(
             "{}?page={}",
             &self.outbox_url,
             self.get_activities_count(conn) / i64::from(ITEMS_PER_PAGE) + 1
         );
-        coll.collection_props.set_first_link(Id::new(first))?;
+        coll.set_first(first.parse::<IriString>()?);
-        coll.collection_props.set_last_link(Id::new(last))?;
+        coll.set_last(last.parse::<IriString>()?);
-        coll.collection_props
+        coll.set_total_items(self.get_activities_count(conn) as u64);
-            .set_total_items_u64(self.get_activities_count(conn) as u64)?;
         Ok(coll)
     }
     pub fn outbox_page(
@@ -461,27 +492,31 @@ impl User {
     ) -> Result<OrderedCollectionPage> {
         let acts = self.get_activities_page(conn, (min, max))?;
         let n_acts = self.get_activities_count(conn);
-        let mut coll = OrderedCollectionPage::default();
+        let mut coll = OrderedCollectionPage::new();
         if n_acts - i64::from(min) >= i64::from(ITEMS_PER_PAGE) {
-            coll.collection_page_props.set_next_link(Id::new(&format!(
+            coll.set_next(
-                "{}?page={}",
+                format!("{}?page={}", &self.outbox_url, min / ITEMS_PER_PAGE + 2)
-                &self.outbox_url,
+                    .parse::<IriString>()?,
-                min / ITEMS_PER_PAGE + 2
+            );
-            )))?;
         }
         if min > 0 {
-            coll.collection_page_props.set_prev_link(Id::new(&format!(
+            coll.set_prev(
-                "{}?page={}",
+                format!("{}?page={}", &self.outbox_url, min / ITEMS_PER_PAGE)
-                &self.outbox_url,
+                    .parse::<IriString>()?,
-                min / ITEMS_PER_PAGE
+            );
-            )))?;
         }
-        coll.collection_props.items = serde_json::to_value(acts)?;
+        coll.set_many_items(
-        coll.collection_page_props
+            acts.iter()
-            .set_part_of_link(Id::new(&self.outbox_url))?;
+                .filter_map(|value| AnyBase::from_arbitrary_json(value).ok()),
+        );
+        coll.set_part_of(self.outbox_url.parse::<IriString>()?);
         Ok(coll)
     }
-    fn fetch_outbox_page<T: Activity>(&self, url: &str) -> Result<(Vec<T>, Option<String>)> {
+
+    pub fn fetch_outbox_page<T: Activity + serde::de::DeserializeOwned>(
+        &self,
+        url: &str,
+    ) -> Result<(Vec<T>, Option<String>)> {
         let res = get(url, Self::get_sender(), CONFIG.proxy().cloned())?;
         let text = &res.text()?;
         let json: serde_json::Value = serde_json::from_str(text)?;
@@ -495,7 +530,8 @@ impl User {
         let next = json.get("next").map(|x| x.as_str().unwrap().to_owned());
         Ok((items, next))
     }
-    pub fn fetch_outbox<T: Activity>(&self) -> Result<Vec<T>> {
+
+    pub fn fetch_outbox<T: Activity + serde::de::DeserializeOwned>(&self) -> Result<Vec<T>> {
         let res = get(
             &self.outbox_url[..],
             Self::get_sender(),
@@ -740,71 +776,58 @@ impl User {
     }
 
     pub fn to_activity(&self, conn: &Connection) -> Result<CustomPerson> {
-        let mut actor = Person::default();
+        let mut actor = ApActor::new(self.inbox_url.parse()?, Person::new());
-        actor.object_props.set_id_string(self.ap_url.clone())?;
+        let ap_url = self.ap_url.parse::<IriString>()?;
-        actor
+        actor.set_id(ap_url.clone());
-            .object_props
+        actor.set_name(self.display_name.clone());
-            .set_name_string(self.display_name.clone())?;
+        actor.set_summary(self.summary_html.get().clone());
-        actor
+        actor.set_url(ap_url.clone());
-            .object_props
+        actor.set_inbox(self.inbox_url.parse()?);
-            .set_summary_string(self.summary_html.get().clone())?;
+        actor.set_outbox(self.outbox_url.parse()?);
-        actor.object_props.set_url_string(self.ap_url.clone())?;
+        actor.set_preferred_username(self.username.clone());
-        actor
+        actor.set_followers(self.followers_endpoint.parse()?);
-            .ap_actor_props
-            .set_inbox_string(self.inbox_url.clone())?;
-        actor
-            .ap_actor_props
-            .set_outbox_string(self.outbox_url.clone())?;
-        actor
-            .ap_actor_props
-            .set_preferred_username_string(self.username.clone())?;
-        actor
-            .ap_actor_props
-            .set_followers_string(self.followers_endpoint.clone())?;
 
         if let Some(shared_inbox_url) = self.shared_inbox_url.clone() {
-            let mut endpoints = Endpoint::default();
+            let endpoints = Endpoints {
-            endpoints.set_shared_inbox_string(shared_inbox_url)?;
+                shared_inbox: Some(shared_inbox_url.parse::<IriString>()?),
-            actor.ap_actor_props.set_endpoints_endpoint(endpoints)?;
+                ..Endpoints::default()
+            };
+            actor.set_endpoints(endpoints);
         }
 
-        let mut public_key = PublicKey::default();
+        let pub_key = PublicKey {
-        public_key.set_id_string(format!("{}#main-key", self.ap_url))?;
+            id: format!("{}#main-key", self.ap_url).parse()?,
-        public_key.set_owner_string(self.ap_url.clone())?;
+            owner: ap_url,
-        public_key.set_public_key_pem_string(self.public_key.clone())?;
+            public_key_pem: self.public_key.clone(),
-        let mut ap_signature = ApSignature::default();
+        };
-        ap_signature.set_public_key_publickey(public_key)?;
+        let ap_signature = ApSignature {
+            public_key: pub_key,
+        };
 
         if let Some(avatar_id) = self.avatar_id {
-            let mut avatar = Image::default();
+            let mut avatar = Image::new();
-            avatar
+            avatar.set_url(Media::get(conn, avatar_id)?.url()?.parse::<IriString>()?);
-                .object_props
+            actor.set_icon(avatar.into_any_base()?);
-                .set_url_string(Media::get(conn, avatar_id)?.url()?)?;
-            actor.object_props.set_icon_object(avatar)?;
         }
 
         Ok(CustomPerson::new(actor, ap_signature))
     }
 
     pub fn delete_activity(&self, conn: &Connection) -> Result<Delete> {
-        let mut del = Delete::default();
+        let mut tombstone = Tombstone::new();
+        tombstone.set_id(self.ap_url.parse()?);
 
-        let mut tombstone = Tombstone::default();
+        let mut del = Delete::new(
-        tombstone.object_props.set_id_string(self.ap_url.clone())?;
+            self.ap_url.parse::<IriString>()?,
-
+            Base::retract(tombstone)?.into_generic()?,
-        del.delete_props
+        );
-            .set_actor_link(Id::new(self.ap_url.clone()))?;
+        del.set_id(format!("{}#delete", self.ap_url).parse()?);
-        del.delete_props.set_object_object(tombstone)?;
+        del.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
-        del.object_props
+        del.set_many_ccs(
-            .set_id_string(format!("{}#delete", self.ap_url))?;
-        del.object_props
-            .set_to_link_vec(vec![Id::new(PUBLIC_VISIBILITY)])?;
-        del.object_props.set_cc_link_vec(
             self.get_followers(conn)?
                 .into_iter()
-                .map(|f| Id::new(f.ap_url))
+                .filter_map(|f| f.ap_url.parse::<IriString>().ok()),
-                .collect(),
+        );
-        )?;
 
         Ok(del)
     }
@@ -930,9 +953,60 @@ impl FromId<DbConn> for User {
     }
 
     fn from_activity(conn: &DbConn, acct: CustomPerson) -> Result<Self> {
-        let url = Url::parse(&acct.object.object_props.id_string()?)?;
+        let actor = acct.ap_actor_ref();
-        let inst = url.host_str().ok_or(Error::Url)?;
+        let username = actor
-        let instance = Instance::find_by_domain(conn, inst).or_else(|_| {
+            .preferred_username()
+            .ok_or(Error::MissingApProperty)?
+            .to_string();
+
+        if username.contains(&['<', '>', '&', '@', '\'', '"', ' ', '\t'][..]) {
+            return Err(Error::InvalidValue);
+        }
+
+        let summary = acct
+            .object_ref()
+            .summary()
+            .and_then(|prop| prop.to_as_string())
+            .unwrap_or_default();
+        let mut new_user = NewUser {
+            display_name: acct
+                .object_ref()
+                .name()
+                .and_then(|prop| prop.to_as_string())
+                .unwrap_or_else(|| username.clone()),
+            username: username.clone(),
+            outbox_url: actor.outbox()?.ok_or(Error::MissingApProperty)?.to_string(),
+            inbox_url: actor.inbox()?.to_string(),
+            role: 2,
+            summary_html: SafeString::new(&summary),
+            summary,
+            public_key: acct.ext_one.public_key.public_key_pem.to_string(),
+            shared_inbox_url: actor
+                .endpoints()?
+                .and_then(|e| e.shared_inbox.map(|inbox| inbox.to_string())),
+            followers_endpoint: actor
+                .followers()?
+                .ok_or(Error::MissingApProperty)?
+                .to_string(),
+            ..NewUser::default()
+        };
+
+        let avatar_id = acct.object_ref().icon().and_then(|icon| icon.to_as_uri());
+
+        let (ap_url, inst) = {
+            let any_base = acct.into_any_base()?;
+            let id = any_base.id().ok_or(Error::MissingApProperty)?;
+            (
+                id.to_string(),
+                id.authority_components()
+                    .ok_or(Error::Url)?
+                    .host()
+                    .to_string(),
+            )
+        };
+        new_user.ap_url = ap_url;
+
+        let instance = Instance::find_by_domain(conn, &inst).or_else(|_| {
             Instance::insert(
                 conn,
                 NewInstance {
@@ -949,70 +1023,20 @@ impl FromId<DbConn> for User {
                 },
             )
         })?;
-
+        new_user.instance_id = instance.id;
-        let username = acct.object.ap_actor_props.preferred_username_string()?;
+        new_user.fqn = if instance.local {
-
+            username
-        if username.contains(&['<', '>', '&', '@', '\'', '"', ' ', '\t'][..]) {
-            return Err(Error::InvalidValue);
-        }
-
-        let fqn = if instance.local {
-            username.clone()
         } else {
             format!("{}@{}", username, instance.public_domain)
         };
 
-        let user = User::insert(
+        let user = User::insert(conn, new_user)?;
-            conn,
+        if let Some(avatar_id) = avatar_id {
-            NewUser {
+            let avatar = Media::save_remote(conn, avatar_id, &user);
-                display_name: acct
-                    .object
-                    .object_props
-                    .name_string()
-                    .unwrap_or_else(|_| username.clone()),
-                username,
-                outbox_url: acct.object.ap_actor_props.outbox_string()?,
-                inbox_url: acct.object.ap_actor_props.inbox_string()?,
-                role: 2,
-                summary: acct
-                    .object
-                    .object_props
-                    .summary_string()
-                    .unwrap_or_default(),
-                summary_html: SafeString::new(
-                    &acct
-                        .object
-                        .object_props
-                        .summary_string()
-                        .unwrap_or_default(),
-                ),
-                email: None,
-                hashed_password: None,
-                instance_id: instance.id,
-                ap_url: acct.object.object_props.id_string()?,
-                public_key: acct
-                    .custom_props
-                    .public_key_publickey()?
-                    .public_key_pem_string()?,
-                private_key: None,
-                shared_inbox_url: acct
-                    .object
-                    .ap_actor_props
-                    .endpoints_endpoint()
-                    .and_then(|e| e.shared_inbox_string())
-                    .ok(),
-                followers_endpoint: acct.object.ap_actor_props.followers_string()?,
-                fqn,
-                avatar_id: None,
-            },
-        )?;
-
-        if let Ok(icon) = acct.object.object_props.icon_image() {
-            if let Ok(url) = icon.object_props.url_string() {
-                let avatar = Media::save_remote(conn, url, &user);
 
             if let Ok(avatar) = avatar {
-                    user.set_avatar(conn, avatar.id)?;
+                if let Err(e) = user.set_avatar(conn, avatar.id) {
+                    tracing::error!("{:?}", e);
                 }
             }
         }
@@ -1435,10 +1459,8 @@ pub(crate) mod tests {
                     "sharedInbox": "https://plu.me/inbox"
                 },
                 "followers": "https://plu.me/@/admin/followers",
-                "following": null,
                 "id": "https://plu.me/@/admin/",
                 "inbox": "https://plu.me/@/admin/inbox",
-                "liked": null,
                 "name": "The admin",
                 "outbox": "https://plu.me/@/admin/outbox",
                 "preferredUsername": "admin",
@@ -1461,14 +1483,12 @@ pub(crate) mod tests {
                     "sharedInbox": "https://plu.me/inbox"
                 },
                 "followers": "https://plu.me/@/other/followers",
-                "following": null,
                 "icon": {
                     "url": "https://plu.me/static/media/example.png",
                     "type": "Image",
                 },
                 "id": "https://plu.me/@/other/",
                 "inbox": "https://plu.me/@/other/inbox",
-                "liked": null,
                 "name": "Another user",
                 "outbox": "https://plu.me/@/other/outbox",
                 "preferredUsername": "other",
@@ -1524,7 +1544,6 @@ pub(crate) mod tests {
 
             let expected = json!({
                 "first": "https://plu.me/@/admin/outbox?page=1",
-                "items": null,
                 "last": "https://plu.me/@/admin/outbox?page=5",
                 "totalItems": 51,
                 "type": "OrderedCollection",

src/routes/blogs.rs

@@ -1,4 +1,4 @@
-use activitypub::collection::{OrderedCollection, OrderedCollectionPage};
+use activitystreams::collection::{OrderedCollection, OrderedCollectionPage};
 use diesel::SaveChangesDsl;
 use rocket::{
     http::ContentType,
@@ -12,7 +12,7 @@ use validator::{Validate, ValidationError, ValidationErrors};
 use crate::routes::{errors::ErrorPage, Page, RespondOrRedirect};
 use crate::template_utils::{IntoContext, Ructe};
 use crate::utils::requires_login;
-use plume_common::activity_pub::{ActivityStream, ApRequest};
+use plume_common::activity_pub::{ActivityStream, ApRequest, CustomGroup};
 use plume_common::utils;
 use plume_models::{
     blog_authors::*, blogs::*, db_conn::DbConn, instance::Instance, medias::*, posts::Post,

src/routes/comments.rs

@@ -1,5 +1,5 @@
 use crate::template_utils::Ructe;
-use activitypub::object::Note;
+use activitystreams::object::Note;
 use rocket::{
     request::LenientForm,
     response::{Flash, Redirect},

src/routes/posts.rs

@@ -15,7 +15,7 @@ use crate::routes::{
 };
 use crate::template_utils::{IntoContext, Ructe};
 use crate::utils::requires_login;
-use plume_common::activity_pub::{broadcast, ActivityStream, ApRequest};
+use plume_common::activity_pub::{broadcast, ActivityStream, ApRequest, LicensedArticle};
 use plume_common::utils::md_to_html;
 use plume_models::{
     blogs::*,

src/routes/user.rs

@@ -1,4 +1,8 @@
-use activitypub::collection::{OrderedCollection, OrderedCollectionPage};
+use activitystreams::{
+    collection::{OrderedCollection, OrderedCollectionPage},
+    iri_string::types::IriString,
+    prelude::*,
+};
 use diesel::SaveChangesDsl;
 use rocket::{
     http::{uri::Uri, ContentType, Cookies},
@@ -15,7 +19,7 @@ use crate::routes::{
 };
 use crate::template_utils::{IntoContext, Ructe};
 use crate::utils::requires_login;
-use plume_common::activity_pub::{broadcast, ActivityStream, ApRequest, Id};
+use plume_common::activity_pub::{broadcast, ActivityStream, ApRequest, CustomPerson};
 use plume_common::utils::md_to_html;
 use plume_models::{
     blogs::Blog,
@@ -561,17 +565,13 @@ pub fn ap_followers(
         .get_followers(&conn)
         .ok()?
         .into_iter()
-        .map(|f| Id::new(f.ap_url))
+        .filter_map(|f| f.ap_url.parse::<IriString>().ok())
-        .collect::<Vec<Id>>();
+        .collect::<Vec<IriString>>();
 
-    let mut coll = OrderedCollection::default();
+    let mut coll = OrderedCollection::new();
-    coll.object_props
+    coll.set_id(user.followers_endpoint.parse::<IriString>().ok()?);
-        .set_id_string(user.followers_endpoint)
+    coll.set_total_items(followers.len() as u64);
-        .ok()?;
+    coll.set_many_items(followers);
-    coll.collection_props
-        .set_total_items_u64(followers.len() as u64)
-        .ok()?;
-    coll.collection_props.set_items_link_vec(followers).ok()?;
     Some(ActivityStream::new(coll))
 }