git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/activity_pub_controller.ex

   1 defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   2   use Pleroma.Web, :controller
   3   alias Pleroma.{User, Object}
   4   alias Pleroma.Web.ActivityPub.{ObjectView, UserView}
   5   alias Pleroma.Web.ActivityPub.ActivityPub
   6   alias Pleroma.Web.Federator
   7
   8   require Logger
   9
  10   action_fallback(:errors)
  11
  12   def user(conn, %{"nickname" => nickname}) do
  13     with %User{} = user <- User.get_cached_by_nickname(nickname),
  14          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  15       conn
  16       |> put_resp_header("content-type", "application/activity+json")
  17       |> json(UserView.render("user.json", %{user: user}))
  18     end
  19   end
  20
  21   def object(conn, %{"uuid" => uuid}) do
  22     with ap_id <- o_status_url(conn, :object, uuid),
  23          %Object{} = object <- Object.get_cached_by_ap_id(ap_id) do
  24       conn
  25       |> put_resp_header("content-type", "application/activity+json")
  26       |> json(ObjectView.render("object.json", %{object: object}))
  27     end
  28   end
  29
  30   def following(conn, %{"nickname" => nickname, "page" => page}) do
  31     with %User{} = user <- User.get_cached_by_nickname(nickname),
  32          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  33       {page, _} = Integer.parse(page)
  34
  35       conn
  36       |> put_resp_header("content-type", "application/activity+json")
  37       |> json(UserView.render("following.json", %{user: user, page: page}))
  38     end
  39   end
  40
  41   def following(conn, %{"nickname" => nickname}) do
  42     with %User{} = user <- User.get_cached_by_nickname(nickname),
  43          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  44       conn
  45       |> put_resp_header("content-type", "application/activity+json")
  46       |> json(UserView.render("following.json", %{user: user}))
  47     end
  48   end
  49
  50   def followers(conn, %{"nickname" => nickname, "page" => page}) do
  51     with %User{} = user <- User.get_cached_by_nickname(nickname),
  52          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  53       {page, _} = Integer.parse(page)
  54
  55       conn
  56       |> put_resp_header("content-type", "application/activity+json")
  57       |> json(UserView.render("followers.json", %{user: user, page: page}))
  58     end
  59   end
  60
  61   def followers(conn, %{"nickname" => nickname}) do
  62     with %User{} = user <- User.get_cached_by_nickname(nickname),
  63          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  64       conn
  65       |> put_resp_header("content-type", "application/activity+json")
  66       |> json(UserView.render("followers.json", %{user: user}))
  67     end
  68   end
  69
  70   def outbox(conn, %{"nickname" => nickname, "max_id" => max_id}) do
  71     with %User{} = user <- User.get_cached_by_nickname(nickname),
  72          {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
  73       conn
  74       |> put_resp_header("content-type", "application/activity+json")
  75       |> json(UserView.render("outbox.json", %{user: user, max_id: max_id}))
  76     end
  77   end
  78
  79   def outbox(conn, %{"nickname" => nickname}) do
  80     outbox(conn, %{"nickname" => nickname, "max_id" => nil})
  81   end
  82
  83   # TODO: Ensure that this inbox is a recipient of the message
  84   def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
  85     Federator.enqueue(:incoming_ap_doc, params)
  86     json(conn, "ok")
  87   end
  88
  89   def inbox(conn, params) do
  90     headers = Enum.into(conn.req_headers, %{})
  91
  92     if !String.contains?(headers["signature"] || "", params["actor"]) do
  93       Logger.info("Signature not from author, relayed message, fetching from source")
  94       ActivityPub.fetch_object_from_id(params["object"]["id"])
  95     else
  96       Logger.info("Signature error - make sure you are forwarding the HTTP Host header!")
  97       Logger.info("Could not validate #{params["actor"]}")
  98       Logger.info(inspect(conn.req_headers))
  99     end
 100
 101     json(conn, "ok")
 102   end
 103
 104   def errors(conn, _e) do
 105     conn
 106     |> put_status(500)
 107     |> json("error")
 108   end
 109 end