# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.OStatusController do
alias Fallback.RedirectController
alias Pleroma.Activity
alias Pleroma.Object
+ alias Pleroma.Plugs.RateLimiter
alias Pleroma.User
- alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.ActivityPubController
- alias Pleroma.Web.ActivityPub.ObjectView
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Endpoint
- alias Pleroma.Web.Federator
alias Pleroma.Web.Metadata.PlayerView
- alias Pleroma.Web.OStatus
- alias Pleroma.Web.OStatus.ActivityRepresenter
- alias Pleroma.Web.OStatus.FeedRepresenter
alias Pleroma.Web.Router
- alias Pleroma.Web.XML
plug(
- Pleroma.Plugs.RateLimiter,
- {:ap_routes, params: ["uuid"]} when action in [:object, :activity]
+ RateLimiter,
+ [name: :ap_routes, params: ["uuid"]] when action in [:object, :activity]
)
- plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
-
plug(
Pleroma.Plugs.SetFormatPlug
- when action in [:feed_redirect, :object, :activity, :notice]
+ when action in [:object, :activity, :notice]
)
action_fallback(:errors)
- def feed_redirect(%{assigns: %{format: "html"}} = conn, %{"nickname" => nickname}) do
- with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname_or_id(nickname)} do
- RedirectController.redirector_with_meta(conn, %{user: user})
- end
- end
-
- def feed_redirect(%{assigns: %{format: format}} = conn, _params)
- when format in ["json", "activity+json"] do
- ActivityPubController.call(conn, :user)
- end
-
- def feed_redirect(conn, %{"nickname" => nickname}) do
- with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
- redirect(conn, external: OStatus.feed_path(user))
- end
- end
-
- def feed(conn, %{"nickname" => nickname} = params) do
- with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
- activities =
- params
- |> Map.take(["max_id"])
- |> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
- |> ActivityPub.fetch_public_activities()
- |> Enum.reverse()
-
- response =
- user
- |> FeedRepresenter.to_simple_form(activities, [user])
- |> :xmerl.export_simple(:xmerl_xml)
- |> to_string
-
- conn
- |> put_resp_content_type("application/atom+xml")
- |> send_resp(200, response)
- end
- end
-
- defp decode_or_retry(body) do
- with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
- {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
- {:ok, doc}
- else
- _e ->
- with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
- doc <- XML.parse_document(decoded),
- uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
- {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
- {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
- {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
- {:ok, doc}
- end
- end
- end
-
- def salmon_incoming(conn, _) do
- {:ok, body, _conn} = read_body(conn)
- {:ok, doc} = decode_or_retry(body)
-
- Federator.incoming_doc(doc)
-
- send_resp(conn, 200, "")
- end
-
def object(%{assigns: %{format: format}} = conn, %{"uuid" => _uuid})
when format in ["json", "activity+json"] do
ActivityPubController.call(conn, :object)
with id <- o_status_url(conn, :object, uuid),
{_, %Activity{} = activity} <-
{:activity, Activity.get_create_by_object_ap_id_with_object(id)},
- {_, true} <- {:public?, Visibility.is_public?(activity)},
- %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
+ {_, true} <- {:public?, Visibility.is_public?(activity)} do
case format do
- "html" -> redirect(conn, to: "/notice/#{activity.id}")
- _ -> represent_activity(conn, nil, activity, user)
+ _ -> redirect(conn, to: "/notice/#{activity.id}")
end
else
reason when reason in [{:public?, false}, {:activity, nil}] ->
def activity(%{assigns: %{format: format}} = conn, %{"uuid" => uuid}) do
with id <- o_status_url(conn, :activity, uuid),
{_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
- {_, true} <- {:public?, Visibility.is_public?(activity)},
- %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
+ {_, true} <- {:public?, Visibility.is_public?(activity)} do
case format do
- "html" -> redirect(conn, to: "/notice/#{activity.id}")
- _ -> represent_activity(conn, format, activity, user)
+ _ -> redirect(conn, to: "/notice/#{activity.id}")
end
else
reason when reason in [{:public?, false}, {:activity, nil}] ->
{_, true} <- {:public?, Visibility.is_public?(activity)},
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
cond do
- format == "html" && activity.data["type"] == "Create" ->
+ format in ["json", "activity+json"] ->
+ if activity.local do
+ %{data: %{"id" => redirect_url}} = Object.normalize(activity)
+ redirect(conn, external: redirect_url)
+ else
+ {:error, :not_found}
+ end
+
+ activity.data["type"] == "Create" ->
%Object{} = object = Object.normalize(activity)
RedirectController.redirector_with_meta(
}
)
- format == "html" ->
- RedirectController.redirector(conn, nil)
-
true ->
- represent_activity(conn, format, activity, user)
+ RedirectController.redirector(conn, nil)
end
else
reason when reason in [{:public?, false}, {:activity, nil}] ->
end
end
- defp represent_activity(
- conn,
- "activity+json",
- %Activity{data: %{"type" => "Create"}} = activity,
- _user
- ) do
- object = Object.normalize(activity)
-
- conn
- |> put_resp_header("content-type", "application/activity+json")
- |> json(ObjectView.render("object.json", %{object: object}))
- end
-
- defp represent_activity(_conn, "activity+json", _, _) do
- {:error, :not_found}
- end
-
- defp represent_activity(conn, _, activity, user) do
- response =
- activity
- |> ActivityRepresenter.to_simple_form(user, true)
- |> ActivityRepresenter.wrap_with_entry()
- |> :xmerl.export_simple(:xmerl_xml)
- |> to_string
-
- conn
- |> put_resp_content_type("application/atom+xml")
- |> send_resp(200, response)
- end
-
def errors(conn, {:error, :not_found}) do
render_error(conn, :not_found, "Not found")
end