From 4666cd3ee3a1f826a242e42e2c3cd353a7fc7ac6 Mon Sep 17 00:00:00 2001
From: Bat <baptiste@gelez.xyz>
Date: Sun, 29 Apr 2018 18:49:56 +0100
Subject: [PATCH] Blog outbox

---
 src/activity_pub/activity.rs | 10 ++++++++++
 src/activity_pub/mod.rs      |  4 +++-
 src/activity_pub/outbox.rs   | 38 ++++++++++++++++++++++++++++++++++++
 src/activity_pub/sign.rs     |  2 +-
 src/main.rs                  |  1 +
 src/models/blogs.rs          | 10 ++++++++++
 src/routes/blogs.rs          |  7 +++++++
 7 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100644 src/activity_pub/outbox.rs

diff --git a/src/activity_pub/activity.rs b/src/activity_pub/activity.rs
index b3e6a60f..098c4bc0 100644
--- a/src/activity_pub/activity.rs
+++ b/src/activity_pub/activity.rs
@@ -1,6 +1,16 @@
+use serde_json;
+
 use activity_pub::actor::Actor;
 use activity_pub::object::Object;
 
+#[derive(Clone)]
+pub struct Activity {}
+impl Activity {
+    pub fn serialize(&self) -> serde_json::Value {
+        json!({})
+    }
+}
+
 pub struct Create<'a, T, U> where T: Actor + 'static, U: Object {
     by: &'a T,
     object: U
diff --git a/src/activity_pub/mod.rs b/src/activity_pub/mod.rs
index 1fefb49e..a3a40c79 100644
--- a/src/activity_pub/mod.rs
+++ b/src/activity_pub/mod.rs
@@ -6,6 +6,8 @@ use serde_json;
 pub mod activity;
 pub mod actor;
 pub mod object;
+pub mod outbox;
+pub mod sign;
 pub mod webfinger;
 
 pub type ActivityPub = Content<Json>;
@@ -14,7 +16,7 @@ pub const CONTEXT_URL: &'static str = "https://www.w3.org/ns/activitystreams";
 
 pub fn context() -> serde_json::Value {
     json!([
-        "https://www.w3.org/ns/activitystreams",
+        CONTEXT_URL,
         "https://w3id.org/security/v1",
         {
             "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
diff --git a/src/activity_pub/outbox.rs b/src/activity_pub/outbox.rs
new file mode 100644
index 00000000..d8134ef4
--- /dev/null
+++ b/src/activity_pub/outbox.rs
@@ -0,0 +1,38 @@
+use rocket::http::Status;
+use rocket::response::{Response, Responder};
+use rocket::request::Request;
+use serde_json;
+
+use activity_pub::{activity_pub, ActivityPub, context};
+use activity_pub::activity::Activity;
+
+pub struct Outbox {
+    id: String,
+    items: Vec<Activity>
+}
+
+impl Outbox {
+    pub fn new(id: String, items: Vec<Activity>) -> Outbox {
+        Outbox {
+            id: id,
+            items: items
+        }
+    }
+
+    fn serialize(&self) -> ActivityPub {
+        let items = self.items.clone();
+        activity_pub(json!({
+            "@context": context(),
+            "type": "OrderedCollection",
+            "id": self.id,
+            "totalItems": items.len(),
+            "orderedItems": items.into_iter().map(|i| i.serialize()).collect::<Vec<serde_json::Value>>()
+        }))
+    }
+}
+
+impl<'r> Responder<'r> for Outbox {
+    fn respond_to(self, request: &Request) -> Result<Response<'r>, Status> {
+        self.serialize().respond_to(request)
+    }
+}
diff --git a/src/activity_pub/sign.rs b/src/activity_pub/sign.rs
index 000c9930..c1df72f0 100644
--- a/src/activity_pub/sign.rs
+++ b/src/activity_pub/sign.rs
@@ -4,7 +4,7 @@ use chrono::Utc;
 use openssl::sha::{sha256, sha512};
 use serde_json;
 
-// Comments are from the Mastodon source code, to knremow what to do.
+// (Comments are from the Mastodon source code, to remember what to do.)
 
 pub trait Signer {
     fn get_key_id(&self) -> String;
diff --git a/src/main.rs b/src/main.rs
index e5876119..8c331b5d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -79,6 +79,7 @@ fn main() {
 
             routes::blogs::details,
             routes::blogs::activity_details,            
+            routes::blogs::outbox,            
             routes::blogs::new,
             routes::blogs::create,
 
diff --git a/src/models/blogs.rs b/src/models/blogs.rs
index f459641a..24ae6e00 100644
--- a/src/models/blogs.rs
+++ b/src/models/blogs.rs
@@ -1,6 +1,8 @@
 use diesel::{self, QueryDsl, RunQueryDsl, ExpressionMethods, PgConnection};
 
+use activity_pub::activity::Activity;
 use activity_pub::actor::{Actor, ActorType};
+use activity_pub::outbox::Outbox;
 use activity_pub::webfinger::*;
 use models::instance::Instance;
 use schema::blogs;
@@ -65,6 +67,14 @@ impl Blog {
                 .get_result::<Blog>(conn).expect("Couldn't update inbox URL");
         }
     }
+
+    pub fn outbox(&self, conn: &PgConnection) -> Outbox {
+        Outbox::new(self.compute_outbox(conn), self.get_activities(conn))
+    }
+
+    fn get_activities(&self, conn: &PgConnection) -> Vec<Activity> {
+        vec![]
+    }
 }
 
 impl Actor for Blog {
diff --git a/src/routes/blogs.rs b/src/routes/blogs.rs
index 9a445298..60d20430 100644
--- a/src/routes/blogs.rs
+++ b/src/routes/blogs.rs
@@ -5,6 +5,7 @@ use std::collections::HashMap;
 
 use activity_pub::ActivityPub;
 use activity_pub::actor::Actor;
+use activity_pub::outbox::Outbox;
 use db_conn::DbConn;
 use models::blog_authors::*;
 use models::blogs::*;
@@ -55,3 +56,9 @@ fn create(conn: DbConn, data: Form<NewBlogForm>, user: User) -> Redirect {
     
     Redirect::to(format!("/~/{}", slug).as_str())
 }
+
+#[get("/~/<name>/outbox")]
+fn outbox(name: String, conn: DbConn) -> Outbox {
+    let blog = Blog::find_by_actor_id(&*conn, name).unwrap();
+    blog.outbox(&*conn)
+}