X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub_controller.ex;h=9010eab9188d3cbb185e72af3067d4b973311127;hb=8b97b6f5baa7e0593414fa794ce8059a8e5b95e3;hp=08bf1c7521b0f6891faaa715a32b05d49f981142;hpb=e890ea7e821d61fca75084d46f70ed125acf1fc8;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index 08bf1c752..ab9d1e0b7 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -1,33 +1,58 @@
 # 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.ActivityPub.ActivityPubController do
   use Pleroma.Web, :controller
 
   alias Pleroma.Activity
+  alias Pleroma.Delivery
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
+  alias Pleroma.Plugs.EnsureAuthenticatedPlug
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Builder
   alias Pleroma.Web.ActivityPub.InternalFetchActor
   alias Pleroma.Web.ActivityPub.ObjectView
+  alias Pleroma.Web.ActivityPub.Pipeline
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.UserView
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.FederatingPlug
   alias Pleroma.Web.Federator
 
   require Logger
 
   action_fallback(:errors)
 
-  plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay])
+  @federating_only_actions [:internal_fetch, :relay, :relay_following, :relay_followers]
+
+  plug(FederatingPlug when action in @federating_only_actions)
+
+  plug(
+    EnsureAuthenticatedPlug,
+    [unless_func: &FederatingPlug.federating?/1] when action not in @federating_only_actions
+  )
+
+  # Note: :following and :followers must be served even without authentication (as via :api)
+  plug(
+    EnsureAuthenticatedPlug
+    when action in [:read_inbox, :update_outbox, :whoami, :upload_media]
+  )
+
+  plug(
+    Pleroma.Plugs.Cache,
+    [query_params: false, tracking_fun: &__MODULE__.track_object_fetch/2]
+    when action in [:activity, :object]
+  )
+
   plug(:set_requester_reachable when action in [:inbox])
   plug(:relay_active? when action in [:relay])
 
-  def relay_active?(conn, _) do
+  defp relay_active?(conn, _) do
     if Pleroma.Config.get([:instance, :allow_relay]) do
       conn
     else
@@ -38,13 +63,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def user(conn, %{"nickname" => nickname}) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
+    with %User{local: true} = user <- User.get_cached_by_nickname(nickname),
          {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("user.json", %{user: user}))
+      |> put_view(UserView)
+      |> render("user.json", %{user: user})
     else
       nil -> {:error, :not_found}
+      %{local: false} -> {:error, :not_found}
     end
   end
 
@@ -53,42 +80,25 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          %Object{} = object <- Object.get_cached_by_ap_id(ap_id),
          {_, true} <- {:public?, Visibility.is_public?(object)} do
       conn
+      |> assign(:tracking_fun_data, object.id)
+      |> set_cache_ttl_for(object)
       |> put_resp_content_type("application/activity+json")
-      |> json(ObjectView.render("object.json", %{object: object}))
+      |> put_view(ObjectView)
+      |> render("object.json", object: object)
     else
       {:public?, false} ->
         {:error, :not_found}
     end
   end
 
-  def object_likes(conn, %{"uuid" => uuid, "page" => page}) do
-    with ap_id <- o_status_url(conn, :object, uuid),
-         %Object{} = object <- Object.get_cached_by_ap_id(ap_id),
-         {_, true} <- {:public?, Visibility.is_public?(object)},
-         likes <- Utils.get_object_likes(object) do
-      {page, _} = Integer.parse(page)
+  def track_object_fetch(conn, nil), do: conn
 
-      conn
-      |> put_resp_content_type("application/activity+json")
-      |> json(ObjectView.render("likes.json", ap_id, likes, page))
-    else
-      {:public?, false} ->
-        {:error, :not_found}
+  def track_object_fetch(conn, object_id) do
+    with %{assigns: %{user: %User{id: user_id}}} <- conn do
+      Delivery.create(object_id, user_id)
     end
-  end
 
-  def object_likes(conn, %{"uuid" => uuid}) do
-    with ap_id <- o_status_url(conn, :object, uuid),
-         %Object{} = object <- Object.get_cached_by_ap_id(ap_id),
-         {_, true} <- {:public?, Visibility.is_public?(object)},
-         likes <- Utils.get_object_likes(object) do
-      conn
-      |> put_resp_content_type("application/activity+json")
-      |> json(ObjectView.render("likes.json", ap_id, likes))
-    else
-      {:public?, false} ->
-        {:error, :not_found}
-    end
+    conn
   end
 
   def activity(conn, %{"uuid" => uuid}) do
@@ -96,31 +106,65 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          %Activity{} = activity <- Activity.normalize(ap_id),
          {_, true} <- {:public?, Visibility.is_public?(activity)} do
       conn
+      |> maybe_set_tracking_data(activity)
+      |> set_cache_ttl_for(activity)
       |> put_resp_content_type("application/activity+json")
-      |> json(ObjectView.render("object.json", %{object: activity}))
+      |> put_view(ObjectView)
+      |> render("object.json", object: activity)
     else
-      {:public?, false} ->
-        {:error, :not_found}
+      {:public?, false} -> {:error, :not_found}
+      nil -> {:error, :not_found}
     end
   end
 
+  defp maybe_set_tracking_data(conn, %Activity{data: %{"type" => "Create"}} = activity) do
+    object_id = Object.normalize(activity).id
+    assign(conn, :tracking_fun_data, object_id)
+  end
+
+  defp maybe_set_tracking_data(conn, _activity), do: conn
+
+  defp set_cache_ttl_for(conn, %Activity{object: object}) do
+    set_cache_ttl_for(conn, object)
+  end
+
+  defp set_cache_ttl_for(conn, entity) do
+    ttl =
+      case entity do
+        %Object{data: %{"type" => "Question"}} ->
+          Pleroma.Config.get([:web_cache_ttl, :activity_pub_question])
+
+        %Object{} ->
+          Pleroma.Config.get([:web_cache_ttl, :activity_pub])
+
+        _ ->
+          nil
+      end
+
+    assign(conn, :cache_ttl, ttl)
+  end
+
   # GET /relay/following
-  def following(%{assigns: %{relay: true}} = conn, _params) do
-    conn
-    |> put_resp_content_type("application/activity+json")
-    |> json(UserView.render("following.json", %{user: Relay.get_actor()}))
+  def relay_following(conn, _params) do
+    with %{halted: false} = conn <- FederatingPlug.call(conn, []) do
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("following.json", %{user: Relay.get_actor()})
+    end
   end
 
   def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
          {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
          {:show_follows, true} <-
-           {:show_follows, (for_user && for_user == user) || !user.info.hide_follows} do
+           {:show_follows, (for_user && for_user == user) || !user.hide_follows} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("following.json", %{user: user, page: page, for: for_user}))
+      |> put_view(UserView)
+      |> render("following.json", %{user: user, page: page, for: for_user})
     else
       {:show_follows, _} ->
         conn
@@ -134,27 +178,32 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("following.json", %{user: user, for: for_user}))
+      |> put_view(UserView)
+      |> render("following.json", %{user: user, for: for_user})
     end
   end
 
   # GET /relay/followers
-  def followers(%{assigns: %{relay: true}} = conn, _params) do
-    conn
-    |> put_resp_content_type("application/activity+json")
-    |> json(UserView.render("followers.json", %{user: Relay.get_actor()}))
+  def relay_followers(conn, _params) do
+    with %{halted: false} = conn <- FederatingPlug.call(conn, []) do
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("followers.json", %{user: Relay.get_actor()})
+    end
   end
 
   def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
          {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
          {:show_followers, true} <-
-           {:show_followers, (for_user && for_user == user) || !user.info.hide_followers} do
+           {:show_followers, (for_user && for_user == user) || !user.hide_followers} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user, page: page, for: for_user}))
+      |> put_view(UserView)
+      |> render("followers.json", %{user: user, page: page, for: for_user})
     else
       {:show_followers, _} ->
         conn
@@ -168,16 +217,51 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user, for: for_user}))
+      |> put_view(UserView)
+      |> render("followers.json", %{user: user, for: for_user})
     end
   end
 
-  def outbox(conn, %{"nickname" => nickname} = params) do
+  def outbox(
+        %{assigns: %{user: for_user}} = conn,
+        %{"nickname" => nickname, "page" => page?} = params
+      )
+      when page? in [true, "true"] do
+    with %User{} = user <- User.get_cached_by_nickname(nickname),
+         {:ok, user} <- User.ensure_keys_present(user) do
+      activities =
+        if params["max_id"] do
+          ActivityPub.fetch_user_activities(user, for_user, %{
+            "max_id" => params["max_id"],
+            # This is a hack because postgres generates inefficient queries when filtering by
+            # 'Answer', poll votes will be hidden by the visibility filter in this case anyway
+            "include_poll_votes" => true,
+            "limit" => 10
+          })
+        else
+          ActivityPub.fetch_user_activities(user, for_user, %{
+            "limit" => 10,
+            "include_poll_votes" => true
+          })
+        end
+
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("activity_collection_page.json", %{
+        activities: activities,
+        iri: "#{user.ap_id}/outbox"
+      })
+    end
+  end
+
+  def outbox(conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
          {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
+      |> put_view(UserView)
+      |> render("activity_collection.json", %{iri: "#{user.ap_id}/outbox"})
     end
   end
 
@@ -196,9 +280,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     json(conn, "ok")
   end
 
-  # only accept relayed Creates
-  def inbox(conn, %{"type" => "Create"} = params) do
-    Logger.info(
+  # POST /relay/inbox -or- POST /internal/fetch/inbox
+  def inbox(conn, params) do
+    if params["type"] == "Create" && FederatingPlug.federating?() do
+      post_inbox_relayed_create(conn, params)
+    else
+      post_inbox_fallback(conn, params)
+    end
+  end
+
+  defp post_inbox_relayed_create(conn, params) do
+    Logger.debug(
       "Signature missing or not from author, relayed Create message, fetching object from source"
     )
 
@@ -207,25 +299,29 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     json(conn, "ok")
   end
 
-  def inbox(conn, params) do
+  defp post_inbox_fallback(conn, params) do
     headers = Enum.into(conn.req_headers, %{})
 
-    if String.contains?(headers["signature"], params["actor"]) do
-      Logger.info(
+    if headers["signature"] && params["actor"] &&
+         String.contains?(headers["signature"], params["actor"]) do
+      Logger.debug(
         "Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
       )
 
-      Logger.info(inspect(conn.req_headers))
+      Logger.debug(inspect(conn.req_headers))
     end
 
-    json(conn, dgettext("errors", "error"))
+    conn
+    |> put_status(:bad_request)
+    |> json(dgettext("errors", "error"))
   end
 
   defp represent_service_actor(%User{} = user, conn) do
     with {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("user.json", %{user: user}))
+      |> put_view(UserView)
+      |> render("user.json", %{user: user})
     else
       nil -> {:error, :not_found}
     end
@@ -243,33 +339,64 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     |> represent_service_actor(conn)
   end
 
+  @doc "Returns the authenticated user's ActivityPub User object or a 404 Not Found if non-authenticated"
   def whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do
     conn
     |> put_resp_content_type("application/activity+json")
-    |> json(UserView.render("user.json", %{user: user}))
+    |> put_view(UserView)
+    |> render("user.json", %{user: user})
   end
 
-  def whoami(_conn, _params), do: {:error, :not_found}
+  def read_inbox(
+        %{assigns: %{user: %User{nickname: nickname} = user}} = conn,
+        %{"nickname" => nickname, "page" => page?} = params
+      )
+      when page? in [true, "true"] do
+    activities =
+      if params["max_id"] do
+        ActivityPub.fetch_activities([user.ap_id | User.following(user)], %{
+          "max_id" => params["max_id"],
+          "limit" => 10
+        })
+      else
+        ActivityPub.fetch_activities([user.ap_id | User.following(user)], %{"limit" => 10})
+      end
 
-  def read_inbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = params) do
-    if nickname == user.nickname do
-      conn
-      |> put_resp_content_type("application/activity+json")
-      |> json(UserView.render("inbox.json", %{user: user, max_id: params["max_id"]}))
-    else
-      err =
-        dgettext("errors", "can't read inbox of %{nickname} as %{as_nickname}",
-          nickname: nickname,
-          as_nickname: user.nickname
-        )
+    conn
+    |> put_resp_content_type("application/activity+json")
+    |> put_view(UserView)
+    |> render("activity_collection_page.json", %{
+      activities: activities,
+      iri: "#{user.ap_id}/inbox"
+    })
+  end
 
+  def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{
+        "nickname" => nickname
+      }) do
+    with {:ok, user} <- User.ensure_keys_present(user) do
       conn
-      |> put_status(:forbidden)
-      |> json(err)
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("activity_collection.json", %{iri: "#{user.ap_id}/inbox"})
     end
   end
 
-  def handle_user_activity(user, %{"type" => "Create"} = params) do
+  def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{
+        "nickname" => nickname
+      }) do
+    err =
+      dgettext("errors", "can't read inbox of %{nickname} as %{as_nickname}",
+        nickname: nickname,
+        as_nickname: as_nickname
+      )
+
+    conn
+    |> put_status(:forbidden)
+    |> json(err)
+  end
+
+  defp handle_user_activity(%User{} = user, %{"type" => "Create"} = params) do
     object =
       params["object"]
       |> Map.merge(Map.take(params, ["to", "cc"]))
@@ -285,9 +412,9 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     })
   end
 
-  def handle_user_activity(user, %{"type" => "Delete"} = params) do
+  defp handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do
     with %Object{} = object <- Object.normalize(params["object"]),
-         true <- user.info.is_moderator || user.ap_id == object.data["actor"],
+         true <- user.is_moderator || user.ap_id == object.data["actor"],
          {:ok, delete} <- ActivityPub.delete(object) do
       {:ok, delete}
     else
@@ -295,16 +422,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
-  def handle_user_activity(user, %{"type" => "Like"} = params) do
+  defp handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do
     with %Object{} = object <- Object.normalize(params["object"]),
-         {:ok, activity, _object} <- ActivityPub.like(user, object) do
+         {_, {:ok, like_object, meta}} <- {:build_object, Builder.like(user, object)},
+         {_, {:ok, %Activity{} = activity, _meta}} <-
+           {:common_pipeline,
+            Pipeline.common_pipeline(like_object, Keyword.put(meta, :local, true))} do
       {:ok, activity}
     else
       _ -> {:error, dgettext("errors", "Can't like object")}
     end
   end
 
-  def handle_user_activity(_, _) do
+  defp handle_user_activity(_, _) do
     {:error, dgettext("errors", "Unhandled activity type")}
   end
 
@@ -333,7 +463,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
-  def update_outbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = _) do
+  def update_outbox(%{assigns: %{user: %User{} = user}} = conn, %{"nickname" => nickname}) do
     err =
       dgettext("errors", "can't update outbox of %{nickname} as %{as_nickname}",
         nickname: nickname,
@@ -345,13 +475,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     |> json(err)
   end
 
-  def errors(conn, {:error, :not_found}) do
+  defp errors(conn, {:error, :not_found}) do
     conn
     |> put_status(:not_found)
     |> json(dgettext("errors", "Not found"))
   end
 
-  def errors(conn, _e) do
+  defp errors(conn, _e) do
     conn
     |> put_status(:internal_server_error)
     |> json(dgettext("errors", "error"))
@@ -378,4 +508,31 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
     {new_user, for_user}
   end
+
+  # TODO: Add support for "object" field
+  @doc """
+  Endpoint based on <https://www.w3.org/wiki/SocialCG/ActivityPub/MediaUpload>
+
+  Parameters:
+  - (required) `file`: data of the media
+  - (optionnal) `description`: description of the media, intended for accessibility
+
+  Response:
+  - HTTP Code: 201 Created
+  - HTTP Body: ActivityPub object to be inserted into another's `attachment` field
+  """
+  def upload_media(%{assigns: %{user: %User{} = user}} = conn, %{"file" => file} = data) do
+    with {:ok, object} <-
+           ActivityPub.upload(
+             file,
+             actor: User.ap_id(user),
+             description: Map.get(data, "description")
+           ) do
+      Logger.debug(inspect(object))
+
+      conn
+      |> put_status(:created)
+      |> json(object.data)
+    end
+  end
 end