feat: meow meow akkoma?

Cargo.lock

@@ -571,6 +571,15 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64-url"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38e2b6c78c06f7288d5e3c3d683bde35a79531127c83b087e5d0d77c974b4b28"
+dependencies = [
+ "base64 0.22.1",
+]
+
 [[package]]
 name = "base64ct"
 version = "1.6.0"
@@ -2061,6 +2070,7 @@ dependencies = [
  "async-recursion",
  "async-trait",
  "async_once",
+ "base64-url",
  "chrono",
  "clap",
  "dotenv",

Cargo.toml

@@ -33,6 +33,7 @@ time = { version = "0.3.36", features = ["serde"] }
 serde_derive = "1.0.201"
 dotenv = "0.15.0"
 async-recursion = "1.1.1"
+base64-url = "3.0.0"
 
 [dependencies.sea-orm]
 version = "0.12.0"

migration/src/lib.rs

@@ -4,6 +4,7 @@ mod m20220101_000001_post_table;
 mod m20240417_230111_user_table;
 mod m20240417_233430_post_user_keys;
 mod m20240505_002524_user_follow_relation;
+mod m20240626_030922_store_ap_json_in_posts;
 
 pub struct Migrator;
 
@@ -15,6 +16,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20240417_230111_user_table::Migration),
             Box::new(m20240417_233430_post_user_keys::Migration),
             Box::new(m20240505_002524_user_follow_relation::Migration),
+            Box::new(m20240626_030922_store_ap_json_in_posts::Migration),
         ]
     }
 }

migration/src/m20240626_030922_store_ap_json_in_posts.rs

@@ -0,0 +1,35 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Post::Table)
+                    .add_column_if_not_exists(ColumnDef::new(Post::ApJson).string())
+                    .to_owned(),
+            )
+            .await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Post::Table)
+                    .drop_column(Post::ApJson)
+                    .to_owned(),
+            )
+            .await
+    }
+}
+
+#[derive(DeriveIden)]
+pub enum Post {
+    Table,
+    ApJson,
+}

src/activities/create_post.rs

@@ -6,7 +6,7 @@ use crate::{
         person::DbUser,
         post::{DbPost, Note},
     },
-    utils::generate_random_object_id,
+    utils::{base_url_encode, generate_create_id, generate_random_object_id},
 };
 use activitypub_federation::{
     activity_sending::SendActivityTask,
@@ -32,14 +32,20 @@ pub struct CreatePost {
 }
 
 impl CreatePost {
-    pub async fn send(note: Note, inbox: Url, data: &Data<StateHandle>) -> Result<(), Error> {
+    pub async fn send(
+        note: Note,
+        db_entry: post::Model,
+        inbox: Url,
+        data: &Data<StateHandle>,
+    ) -> Result<(), Error> {
         print!("Sending reply to {}", &note.attributed_to);
+        let encoded_url = base_url_encode(&note.id.clone().into());
         let create = CreatePost {
             actor: note.attributed_to.clone(),
             to: note.to.clone(),
             object: note,
             kind: CreateType::Create,
-            id: generate_random_object_id(data.domain())?,
+            id: generate_create_id(data.domain(), &db_entry.id, &encoded_url)?,
         };
         let create_with_context = WithContext::new_default(create);
         let sends = SendActivityTask::prepare(

src/activities/follow.rs

@@ -77,7 +77,7 @@ impl Accept {
             actor: follow_req.object.clone(),
             object: follow_req,
             kind: AcceptType::Accept,
-            id: generate_follow_accept_id(data.domain(), follow_relation.id)?,
+            id: generate_follow_accept_id(data.domain(), follow_relation.id.to_string().as_str())?,
         };
         let create_with_context = WithContext::new_default(create);
         let sends = SendActivityTask::prepare(

src/entities/post.rs

@@ -24,6 +24,7 @@ pub struct Model {
     pub spoiler_text: Option<String>,
     pub creator: String,
     pub url: String,
+    pub ap_json: Option<String>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]

src/lysand/conversion.rs

@@ -229,6 +229,7 @@ pub async fn receive_lysand_note(
             reply_id: Set(reply_uuid),
             quoting_id: Set(quote_uuid),
             spoiler_text: Set(note.subject),
+            ap_json: Set(Some(serde_json::to_string(&ap_note).unwrap())),
             ..Default::default()
         };
         let res = post.insert(DB.get().unwrap()).await?;

src/lysand/http.rs

@@ -1,4 +1,7 @@
-use activitypub_federation::{traits::Object, FEDERATION_CONTENT_TYPE};
+use activitypub_federation::{
+    protocol::context::WithContext, traits::Object, FEDERATION_CONTENT_TYPE,
+};
+use activitystreams_kinds::{activity::CreateType, object};
 use actix_web::{get, web, HttpResponse};
 use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
 
@@ -8,7 +11,9 @@ use crate::{
         post::{self, Entity},
         prelude,
     },
-    error, Response, DB, FEDERATION_CONFIG,
+    error, objects,
+    utils::{base_url_decode, generate_create_id},
+    Response, DB, FEDERATION_CONFIG,
 };
 
 #[get("/apbridge/object/{post}")]
@@ -35,3 +40,40 @@ async fn fetch_post(
                 .await?,
         ))
 }
+
+#[get("/apbridge/create/{id}/{base64url}")]
+async fn create_activity(
+    path: web::Path<(String, String)>,
+    state: web::Data<State>,
+) -> actix_web::Result<HttpResponse, error::Error> {
+    let db = DB.get().unwrap();
+
+    let url = base_url_decode(path.1.as_str());
+
+    let post = prelude::Post::find()
+        .filter(post::Column::Id.eq(path.0.as_str()))
+        .one(db)
+        .await?;
+
+    let post = match post {
+        Some(post) => post,
+        None => return Ok(HttpResponse::NotFound().finish()),
+    };
+
+    let ap_post = crate::objects::post::Note::from_db(&post);
+
+    let data = FEDERATION_CONFIG.get().unwrap();
+
+    let create = crate::activities::create_post::CreatePost {
+        actor: ap_post.attributed_to.clone(),
+        to: ap_post.to.clone(),
+        object: ap_post,
+        kind: CreateType::Create,
+        id: generate_create_id(&data.to_request_data().domain(), &path.0, &path.1)?,
+    };
+    let create_with_context = WithContext::new_default(create);
+
+    Ok(HttpResponse::Ok()
+        .content_type(FEDERATION_CONTENT_TYPE)
+        .json(create_with_context))
+}

src/main.rs

@@ -15,6 +15,7 @@ use clap::Parser;
 use database::Database;
 use entities::post;
 use http::{http_get_user, http_post_user_inbox, webfinger};
+use lysand::http::{create_activity, fetch_post};
 use objects::person::DbUser;
 use sea_orm::{ActiveModelTrait, DatabaseConnection, Set};
 use serde::{Deserialize, Serialize};
@@ -89,7 +90,7 @@ async fn post_manually(
     let id: ObjectId<post::Model> = generate_random_object_id(data.domain())?.into();
     let note = Note {
         kind: Default::default(),
-        id,
+        id: id.clone(),
         sensitive: false,
         attributed_to: Url::parse(&local_user.id).unwrap().into(),
         to: vec![public()],
@@ -99,8 +100,26 @@ async fn post_manually(
         cc: vec![].into(),
     };
 
+    let post = entities::post::ActiveModel {
+        id: Set(uuid::Uuid::now_v7().to_string()),
+        creator: Set(local_user.id.clone()),
+        content: Set(note.content.clone()),
+        sensitive: Set(false),
+        created_at: Set(Utc::now()),
+        local: Set(true),
+        updated_at: Set(Some(Utc::now())),
+        content_type: Set("Note".to_string()),
+        visibility: Set("public".to_string()),
+        url: Set(id.to_string()),
+        ap_json: Set(Some(serde_json::to_string(&note).unwrap())),
+        ..Default::default()
+    };
+
+    let post = post.insert(DB.get().unwrap()).await?;
+
     CreatePost::send(
         note,
+        post,
         target.shared_inbox_or_inbox(),
         &data.to_request_data(),
     )
@@ -238,6 +257,8 @@ async fn main() -> actix_web::Result<(), anyhow::Error> {
             .route("/{user}/inbox", web::post().to(http_post_user_inbox))
             .route("/.well-known/webfinger", web::get().to(webfinger))
             .service(index)
+            .service(fetch_post)
+            .service(create_activity)
     })
     .bind(SERVER_URL.to_string())?
     .workers(num_cpus::get())

src/objects/person.rs

@@ -176,4 +176,9 @@ impl Actor for user::Model {
     fn inbox(&self) -> Url {
         Url::parse(&self.inbox).unwrap()
     }
+
+    //TODO: Differenciate shared inbox
+    fn shared_inbox(&self) -> Option<Url> {
+        None
+    }
 }

src/objects/post.rs

@@ -44,6 +44,12 @@ pub struct Note {
     pub(crate) cc: Option<Vec<Url>>,
 }
 
+impl Note {
+    pub fn from_db(post: &post::Model) -> Self {
+        serde_json::from_str(&post.ap_json.as_ref().unwrap()).unwrap()
+    }
+}
+
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct Mention {
     pub href: Url,

src/utils.rs

@@ -12,13 +12,35 @@ pub fn generate_user_id(domain: &str, uuid: &str) -> Result<Url, ParseError> {
 
 pub fn generate_random_object_id(domain: &str) -> Result<Url, ParseError> {
     let id: String = uuid::Uuid::new_v4().to_string();
-    Url::parse(&format!("https://{}/apbridge/object/{}", domain, id))
+    generate_object_id(domain, &id)
 }
 
 /// Generate a follow accept id
-pub fn generate_follow_accept_id(domain: &str, db_id: i32) -> Result<Url, ParseError> {
+pub fn generate_follow_accept_id(domain: &str, db_id: &str) -> Result<Url, ParseError> {
+    Url::parse(&format!("https://{}/apbridge/follow/{}", domain, db_id))
+}
+
+// TODO for later aprl: needs to be base64url!!!
+pub fn generate_create_id(
+    domain: &str,
+    create_db_id: &str,
+    basesixfour_url: &str,
+) -> Result<Url, ParseError> {
     Url::parse(&format!(
-        "https://{}/apbridge/activity/follow/{}",
+        "https://{}/apbridge/create/{}/{}",
-        domain, db_id
+        domain, create_db_id, basesixfour_url
     ))
 }
+
+pub fn generate_random_create_id(domain: &str, basesixfour_url: &str) -> Result<Url, ParseError> {
+    let id: String = uuid::Uuid::new_v4().to_string();
+    generate_create_id(domain, &id, basesixfour_url)
+}
+
+pub fn base_url_encode(url: &Url) -> String {
+    base64_url::encode(&url.to_string())
+}
+
+pub fn base_url_decode(encoded: &str) -> String {
+    String::from_utf8(base64_url::decode(encoded).unwrap()).unwrap()
+}