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 ActivityPubController.call(conn, :user)
40 with %User{} = user <- User.get_cached_by_nickname(nickname) do
41 redirect(conn, external: OStatus.feed_path(user))
43 nil -> {:error, :not_found}
48 def feed(conn, %{"nickname" => nickname} = params) do
49 with %User{} = user <- User.get_cached_by_nickname(nickname) do
51 Map.take(params, ["max_id"])
52 |> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
55 ActivityPub.fetch_public_activities(query_params)
60 |> FeedRepresenter.to_simple_form(activities, [user])
61 |> :xmerl.export_simple(:xmerl_xml)
65 |> put_resp_content_type("application/atom+xml")
66 |> send_resp(200, response)
68 nil -> {:error, :not_found}
72 defp decode_or_retry(body) do
73 with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
74 {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
78 with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
79 doc <- XML.parse_document(decoded),
80 uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
81 {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
82 {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
83 {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
89 def salmon_incoming(conn, _) do
90 {:ok, body, _conn} = read_body(conn)
91 {:ok, doc} = decode_or_retry(body)
93 Federator.incoming_doc(doc)
99 def object(conn, %{"uuid" => uuid}) do
100 if get_format(conn) in ["activity+json", "json"] do
101 ActivityPubController.call(conn, :object)
103 with id <- o_status_url(conn, :object, uuid),
104 {_, %Activity{} = activity} <- {:activity, Activity.get_create_by_object_ap_id(id)},
105 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
106 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
107 case get_format(conn) do
108 "html" -> redirect(conn, to: "/notice/#{activity.id}")
109 _ -> represent_activity(conn, nil, activity, user)
124 def activity(conn, %{"uuid" => uuid}) do
125 if get_format(conn) in ["activity+json", "json"] do
126 ActivityPubController.call(conn, :activity)
128 with id <- o_status_url(conn, :activity, uuid),
129 {_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
130 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
131 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
132 case format = get_format(conn) do
133 "html" -> redirect(conn, to: "/notice/#{activity.id}")
134 _ -> represent_activity(conn, format, activity, user)
149 def notice(conn, %{"id" => id}) do
150 with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id(id)},
151 {_, true} <- {:public?, ActivityPub.is_public?(activity)},
152 %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
153 case format = get_format(conn) do
155 if activity.data["type"] == "Create" do
156 %Object{} = object = Object.normalize(activity.data["object"])
158 Fallback.RedirectController.redirector_with_meta(conn, %{
161 Pleroma.Web.Router.Helpers.o_status_url(
162 Pleroma.Web.Endpoint,
169 Fallback.RedirectController.redirector(conn, nil)
173 represent_activity(conn, format, activity, user)
179 |> Fallback.RedirectController.redirector(nil, 404)
183 |> Fallback.RedirectController.redirector(nil, 404)
190 defp represent_activity(
193 %Activity{data: %{"type" => "Create"}} = activity,
196 object = Object.normalize(activity.data["object"])
199 |> put_resp_header("content-type", "application/activity+json")
200 |> json(ObjectView.render("object.json", %{object: object}))
203 defp represent_activity(_conn, "activity+json", _, _) do
207 defp represent_activity(conn, _, activity, user) do
210 |> ActivityRepresenter.to_simple_form(user, true)
211 |> ActivityRepresenter.wrap_with_entry()
212 |> :xmerl.export_simple(:xmerl_xml)
216 |> put_resp_content_type("application/atom+xml")
217 |> send_resp(200, response)
220 def errors(conn, {:error, :not_found}) do
226 def errors(conn, _) do
229 |> text("Something went wrong")