1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.OStatus.OStatusController do
6 use Pleroma.Web, :controller
11 alias Pleroma.Web.ActivityPub.ActivityPub
12 alias Pleroma.Web.ActivityPub.ActivityPubController
13 alias Pleroma.Web.ActivityPub.ObjectView
14 alias Pleroma.Web.OStatus.ActivityRepresenter
15 alias Pleroma.Web.OStatus.FeedRepresenter
16 alias Pleroma.Web.Federator
17 alias Pleroma.Web.OStatus
20 plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
22 action_fallback(:errors)
24 def feed_redirect(conn, %{"nickname" => nickname}) do
25 case get_format(conn) do
27 with %User{} = user <- User.get_cached_by_nickname_or_id(nickname) do
28 Fallback.RedirectController.redirector_with_meta(conn, %{user: user})
30 nil -> {:error, :not_found}
34 ActivityPubController.call(conn, :user)
37 with %User{} = user <- User.get_cached_by_nickname(nickname) do
38 redirect(conn, external: OStatus.feed_path(user))
40 nil -> {:error, :not_found}
45 def feed(conn, %{"nickname" => nickname} = params) do
46 with %User{} = user <- User.get_cached_by_nickname(nickname) do
48 Map.take(params, ["max_id"])
49 |> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
52 ActivityPub.fetch_public_activities(query_params)
57 |> FeedRepresenter.to_simple_form(activities, [user])
58 |> :xmerl.export_simple(:xmerl_xml)
62 |> put_resp_content_type("application/atom+xml")
63 |> send_resp(200, response)
65 nil -> {:error, :not_found}
69 defp decode_or_retry(body) do
70 with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
71 {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
75 with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
76 doc <- XML.parse_document(decoded),
77 uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
78 {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
79 {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
80 {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
86 def salmon_incoming(conn, _) do
87 {:ok, body, _conn} = read_body(conn)
88 {:ok, doc} = decode_or_retry(body)
90 Federator.enqueue(:incoming_doc, doc)
96 def object(conn, %{"uuid" => uuid}) do
97 if get_format(conn) == "activity+json" do
98 ActivityPubController.call(conn, :object)
100 with id <- o_status_url(conn, :object, uuid),
101 {_, %Activity{} = activity} <- {:activity, Activity.get_create_by_object_ap_id(id)},
102 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
103 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
104 case get_format(conn) do
105 "html" -> redirect(conn, to: "/notice/#{activity.id}")
106 _ -> represent_activity(conn, nil, activity, user)
121 def activity(conn, %{"uuid" => uuid}) do
122 if get_format(conn) == "activity+json" do
123 ActivityPubController.call(conn, :activity)
125 with id <- o_status_url(conn, :activity, uuid),
126 {_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
127 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
128 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
129 case format = get_format(conn) do
130 "html" -> redirect(conn, to: "/notice/#{activity.id}")
131 _ -> represent_activity(conn, format, activity, user)
146 def notice(conn, %{"id" => id}) do
147 with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id(id)},
148 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
149 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
150 case format = get_format(conn) do
152 if activity.data["type"] == "Create" do
153 %Object{} = object = Object.normalize(activity.data["object"])
155 Fallback.RedirectController.redirector_with_meta(conn, %{
158 Pleroma.Web.Router.Helpers.o_status_url(
159 Pleroma.Web.Endpoint,
166 Fallback.RedirectController.redirector(conn, nil)
170 represent_activity(conn, format, activity, user)
176 |> Fallback.RedirectController.redirector(nil, 404)
180 |> Fallback.RedirectController.redirector(nil, 404)
187 defp represent_activity(
190 %Activity{data: %{"type" => "Create"}} = activity,
193 object = Object.normalize(activity.data["object"])
196 |> put_resp_header("content-type", "application/activity+json")
197 |> json(ObjectView.render("object.json", %{object: object}))
200 defp represent_activity(_conn, "activity+json", _, _) do
204 defp represent_activity(conn, _, activity, user) do
207 |> ActivityRepresenter.to_simple_form(user, true)
208 |> ActivityRepresenter.wrap_with_entry()
209 |> :xmerl.export_simple(:xmerl_xml)
213 |> put_resp_content_type("application/atom+xml")
214 |> send_resp(200, response)
217 def errors(conn, {:error, :not_found}) do
223 def errors(conn, _) do
226 |> text("Something went wrong")