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.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, %{
156 activity_id: activity.id,
159 Pleroma.Web.Router.Helpers.o_status_url(
160 Pleroma.Web.Endpoint,
167 Fallback.RedirectController.redirector(conn, nil)
171 represent_activity(conn, format, activity, user)
177 |> Fallback.RedirectController.redirector(nil, 404)
181 |> Fallback.RedirectController.redirector(nil, 404)
188 # Returns an HTML embedded <audio> or <video> player suitable for embed iframes.
189 def notice_player(conn, %{"id" => id}) do
190 with %Activity{data: %{"type" => "Create"}} = activity <- Activity.get_by_id(id),
191 true <- ActivityPub.is_public?(activity),
192 %Object{} = object <- Object.normalize(activity.data["object"]),
193 %{data: %{"attachment" => [%{"url" => [url | _]} | _]}} <- object,
194 true <- String.starts_with?(url["mediaType"], ["audio", "video"]) do
196 |> put_layout(:metadata_player)
197 |> put_resp_header("x-frame-options", "ALLOW")
199 "content-security-policy",
200 "default-src 'none';style-src 'self' 'unsafe-inline';img-src 'self' data: https:; media-src 'self' https:;"
202 |> put_view(Pleroma.Web.Metadata.PlayerView)
203 |> render("player.html", url)
208 |> Fallback.RedirectController.redirector(nil, 404)
212 defp represent_activity(
215 %Activity{data: %{"type" => "Create"}} = activity,
218 object = Object.normalize(activity.data["object"])
221 |> put_resp_header("content-type", "application/activity+json")
222 |> json(ObjectView.render("object.json", %{object: object}))
225 defp represent_activity(_conn, "activity+json", _, _) do
229 defp represent_activity(conn, _, activity, user) do
232 |> ActivityRepresenter.to_simple_form(user, true)
233 |> ActivityRepresenter.wrap_with_entry()
234 |> :xmerl.export_simple(:xmerl_xml)
238 |> put_resp_content_type("application/atom+xml")
239 |> send_resp(200, response)
242 def errors(conn, {:error, :not_found}) do
248 def errors(conn, _) do
251 |> text("Something went wrong")