Federate article updating

src/inbox.rs

@@ -1,4 +1,4 @@
-use activitypub::{activity::{Announce, Create, Delete, Like, Undo}, object::Tombstone};
+use activitypub::{activity::{Announce, Create, Delete, Like, Undo, Update}, object::Tombstone};
 use diesel::PgConnection;
 use failure::Error;
 use serde_json;
@@ -63,6 +63,11 @@ pub trait Inbox {
                             _ => Err(InboxError::CantUndo)?
                         }
                     }
+                    "Update" => {
+                        let act: Update = serde_json::from_value(act.clone())?;
+                        Post::handle_update(conn, act.update_props.object_object()?);
+                        Ok(())
+                    }
                     _ => Err(InboxError::InvalidType)?
                 }
             },