# 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
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.ControllerHelper
+ alias Pleroma.Web.Endpoint
+ alias Pleroma.Web.FederatingPlug
alias Pleroma.Web.Federator
require Logger
action_fallback(:errors)
+ @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(Pleroma.Web.FederatingPlug when action in [:inbox, :relay])
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
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")
|> render("user.json", %{user: user})
else
nil -> {:error, :not_found}
+ %{local: false} -> {:error, :not_found}
end
end
- def object(conn, %{"uuid" => uuid}) do
- with ap_id <- o_status_url(conn, :object, uuid),
+ def object(conn, _) do
+ with ap_id <- Endpoint.url() <> conn.request_path,
%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
{_, true} <- {:public?, Visibility.is_public?(object)} do
conn
conn
end
- def activity(conn, %{"uuid" => uuid}) do
- with ap_id <- o_status_url(conn, :activity, uuid),
+ def activity(conn, _params) do
+ with ap_id <- Endpoint.url() <> conn.request_path,
%Activity{} = activity <- Activity.normalize(ap_id),
{_, true} <- {:public?, Visibility.is_public?(activity)} do
conn
end
# GET /relay/following
- def following(%{assigns: %{relay: true}} = conn, _params) do
- conn
- |> put_resp_content_type("application/activity+json")
- |> put_view(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
end
# GET /relay/followers
- def followers(%{assigns: %{relay: true}} = conn, _params) do
- conn
- |> put_resp_content_type("application/activity+json")
- |> put_view(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
end
end
- def outbox(conn, %{"nickname" => nickname, "page" => page?} = params)
+ 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, nil, %{
- "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, nil, %{
- "limit" => 10,
- "include_poll_votes" => true
- })
- end
+ # "include_poll_votes" 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
+ params =
+ params
+ |> Map.drop(["nickname", "page"])
+ |> Map.put("include_poll_votes", true)
+ |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end)
+
+ activities = ActivityPub.fetch_user_activities(user, for_user, params)
conn
|> put_resp_content_type("application/activity+json")
|> put_view(UserView)
|> render("activity_collection_page.json", %{
activities: activities,
+ pagination: ControllerHelper.get_pagination_fields(conn, activities),
iri: "#{user.ap_id}/outbox"
})
end
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"
)
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
|> render("user.json", %{user: user})
end
- def whoami(_conn, _params), do: {:error, :not_found}
-
def read_inbox(
- %{assigns: %{user: %{nickname: nickname} = user}} = conn,
+ %{assigns: %{user: %User{nickname: nickname} = user}} = conn,
%{"nickname" => nickname, "page" => page?} = params
)
when page? in [true, "true"] do
+ params =
+ params
+ |> Map.drop(["nickname", "page"])
+ |> Map.put("blocking_user", user)
+ |> Map.put("user", user)
+ |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end)
+
activities =
- if params["max_id"] do
- ActivityPub.fetch_activities([user.ap_id | user.following], %{
- "max_id" => params["max_id"],
- "limit" => 10
- })
- else
- ActivityPub.fetch_activities([user.ap_id | user.following], %{"limit" => 10})
- end
+ [user.ap_id | User.following(user)]
+ |> ActivityPub.fetch_activities(params)
+ |> Enum.reverse()
conn
|> put_resp_content_type("application/activity+json")
|> put_view(UserView)
|> render("activity_collection_page.json", %{
activities: activities,
+ pagination: ControllerHelper.get_pagination_fields(conn, activities),
iri: "#{user.ap_id}/inbox"
})
end
- def read_inbox(%{assigns: %{user: %{nickname: nickname} = user}} = conn, %{
+ def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{
"nickname" => nickname
}) do
with {:ok, user} <- User.ensure_keys_present(user) do
end
end
- def read_inbox(%{assigns: %{user: nil}} = conn, %{"nickname" => nickname}) do
- err = dgettext("errors", "can't read inbox of %{nickname}", nickname: nickname)
-
- conn
- |> put_status(:forbidden)
- |> json(err)
- end
-
- def read_inbox(%{assigns: %{user: %{nickname: as_nickname}}} = conn, %{
+ def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{
"nickname" => nickname
}) do
err =
|> json(err)
end
- def handle_user_activity(user, %{"type" => "Create"} = params) do
+ defp handle_user_activity(
+ %User{} = user,
+ %{"type" => "Create", "object" => %{"type" => "Note"}} = params
+ ) do
object =
params["object"]
|> Map.merge(Map.take(params, ["to", "cc"]))
})
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.is_moderator || user.ap_id == object.data["actor"],
- {:ok, delete} <- ActivityPub.delete(object) do
+ {:ok, delete_data, _} <- Builder.delete(user, object.data["id"]),
+ {:ok, delete, _} <- Pipeline.common_pipeline(delete_data, local: true) do
{:ok, delete}
else
_ -> {:error, dgettext("errors", "Can't delete object")}
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
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,
|> 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"))
{new_user, for_user}
end
- # TODO: Add support for "object" field
@doc """
Endpoint based on <https://www.w3.org/wiki/SocialCG/ActivityPub/MediaUpload>
Response:
- HTTP Code: 201 Created
- HTTP Body: ActivityPub object to be inserted into another's `attachment` field
+
+ Note: Will not point to a URL with a `Location` header because no standalone Activity has been created.
"""
- def upload_media(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do
+ def upload_media(%{assigns: %{user: %User{} = user}} = conn, %{"file" => file} = data) do
with {:ok, object} <-
ActivityPub.upload(
file,