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Merge branch 'feature/scrobbling' into 'develop'

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media scrobbling ("now playing" API)

See merge request pleroma/pleroma!1732
This commit is contained in:
kaniini 2019-09-30 10:45:00 +00:00
commit ed176e7402
16 changed files with 458 additions and 3 deletions
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3
CHANGELOG.md
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@ -7,6 +7,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
### Added
- Refreshing poll results for remote polls
- Admin API: Add ability to require password reset
- Mastodon API: Account entities now include `follow_requests_count` (planned Mastodon 3.x addition)
- Pleroma API: `GET /api/v1/pleroma/accounts/:id/scrobbles` to get a list of recently scrobbled items
- Pleroma API: `POST /api/v1/pleroma/scrobble` to scrobble a media item
### Changed
- **Breaking:** Elixir >=1.8 is now required (was >= 1.7)

32
docs/api/pleroma_api.md
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@ -439,3 +439,35 @@ The status posting endpoint takes an additional parameter, `in_reply_to_conversa
* Params: None
* Response: the archive of the pack with a 200 status code, 403 if the pack is not set as shared,
404 if the pack does not exist
## `GET /api/v1/pleroma/accounts/:id/scrobbles`
### Requests a list of current and recent Listen activities for an account
* Method `GET`
* Authentication: not required
* Params: None
* Response: An array of media metadata entities.
* Example response:
```json
[
{
"account": {...},
"id": "1234",
"title": "Some Title",
"artist": "Some Artist",
"album": "Some Album",
"length": 180000,
"created_at": "2019-09-28T12:40:45.000Z"
}
]
```
## `POST /api/v1/pleroma/scrobble`
### Creates a new Listen activity for an account
* Method `POST`
* Authentication: required
* Params:
* `title`: the title of the media playing
* `album`: the album of the media playing [optional]
* `artist`: the artist of the media playing [optional]
* `length`: the length of the media playing [optional]
* Response: the newly created media metadata entity representing the Listen activity

37
lib/pleroma/web/activity_pub/activity_pub.ex
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@ -248,6 +248,26 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def listen(%{to: to, actor: actor, context: context, object: object} = params) do
additional = params[:additional] || %{}
# only accept false as false value
local = !(params[:local] == false)
published = params[:published]
with listen_data <-
make_listen_data(
%{to: to, actor: actor, published: published, context: context, object: object},
additional
),
{:ok, activity} <- insert(listen_data, local),
:ok <- maybe_federate(activity) do
{:ok, activity}
else
{:error, message} ->
{:error, message}
end
end
def accept(%{to: to, actor: actor, object: object} = params) do
# only accept false as false value
local = !(params[:local] == false)
@ -588,6 +608,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
defp restrict_thread_visibility(query, _, _), do: query
def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do
params =
params
|> Map.put("user", reading_user)
|> Map.put("actor_id", user.ap_id)
|> Map.put("whole_db", true)
recipients =
user_activities_recipients(%{
"godmode" => params["godmode"],
"reading_user" => reading_user
})
fetch_activities(recipients, params)
|> Enum.reverse()
end
def fetch_user_activities(user, reading_user, params \\ %{}) do
params =
params

33
lib/pleroma/web/activity_pub/transmogrifier.ex
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@ -430,6 +430,36 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
end
end
def handle_incoming(
%{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
options
) do
actor = Containment.get_actor(data)
data =
Map.put(data, "actor", actor)
|> fix_addressing
with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
object = fix_object(object, options)
params = %{
to: data["to"],
object: object,
actor: user,
context: nil,
local: false,
published: data["published"],
additional: Map.take(data, ["cc", "id"])
}
ActivityPub.listen(params)
else
_e -> :error
end
end
def handle_incoming(
%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
_options
@ -765,7 +795,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
# internal -> Mastodon
# """
def prepare_outgoing(%{"type" => "Create", "object" => object_id} = data) do
def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
when activity_type in ["Create", "Listen"] do
object =
object_id
|> Object.normalize()

17
lib/pleroma/web/activity_pub/utils.ex
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@ -20,7 +20,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
require Logger
require Pleroma.Constants
@supported_object_types ["Article", "Note", "Video", "Page", "Question", "Answer"]
@supported_object_types ["Article", "Note", "Video", "Page", "Question", "Answer", "Audio"]
@supported_report_states ~w(open closed resolved)
@valid_visibilities ~w(public unlisted private direct)
@ -581,6 +581,21 @@ defmodule Pleroma.Web.ActivityPub.Utils do
|> Map.merge(additional)
end
#### Listen-related helpers
def make_listen_data(params, additional) do
published = params.published || make_date()
%{
"type" => "Listen",
"to" => params.to |> Enum.uniq(),
"actor" => params.actor.ap_id,
"object" => params.object,
"published" => published,
"context" => params.context
}
|> Map.merge(additional)
end
#### Flag-related helpers
@spec make_flag_data(map(), map()) :: map()
def make_flag_data(%{actor: actor, context: context, content: content} = params, additional) do

3
lib/pleroma/web/activity_pub/views/object_view.ex
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@ -15,7 +15,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectView do
Map.merge(base, additional)
end
def render("object.json", %{object: %Activity{data: %{"type" => "Create"}} = activity}) do
def render("object.json", %{object: %Activity{data: %{"type" => activity_type}} = activity})
when activity_type in ["Create", "Listen"] do
base = Pleroma.Web.ActivityPub.Utils.make_json_ld_header()
object = Object.normalize(activity)

21
lib/pleroma/web/common_api/common_api.ex
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@ -212,6 +212,27 @@ defmodule Pleroma.Web.CommonAPI do
|> check_expiry_date()
end
def listen(user, %{"title" => _} = data) do
with visibility <- data["visibility"] || "public",
{to, cc} <- get_to_and_cc(user, [], nil, visibility, nil),
listen_data <-
Map.take(data, ["album", "artist", "title", "length"])
|> Map.put("type", "Audio")
|> Map.put("to", to)
|> Map.put("cc", cc)
|> Map.put("actor", user.ap_id),
{:ok, activity} <-
ActivityPub.listen(%{
actor: user,
to: to,
object: listen_data,
context: Utils.generate_context_id(),
additional: %{"cc" => cc}
}) do
{:ok, activity}
end
end
def post(user, %{"status" => _} = data) do
with {:ok, draft} <- Pleroma.Web.CommonAPI.ActivityDraft.create(user, data) do
draft.changes

21
lib/pleroma/web/mastodon_api/views/status_view.ex
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@ -368,6 +368,27 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
}
end
def render("listen.json", %{activity: %Activity{data: %{"type" => "Listen"}} = activity} = opts) do
object = Object.normalize(activity)
user = get_user(activity.data["actor"])
created_at = Utils.to_masto_date(activity.data["published"])
%{
id: activity.id,
account: AccountView.render("account.json", %{user: user, for: opts[:for]}),
created_at: created_at,
title: object.data["title"] |> HTML.strip_tags(),
artist: object.data["artist"] |> HTML.strip_tags(),
album: object.data["album"] |> HTML.strip_tags(),
length: object.data["length"]
}
end
def render("listens.json", opts) do
safe_render_many(opts.activities, StatusView, "listen.json", opts)
end
def render("poll.json", %{object: object} = opts) do
{multiple, options} =
case object.data do

52
lib/pleroma/web/pleroma_api/controllers/scrobble_controller.ex Normal file
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@ -0,0 +1,52 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.ScrobbleController do
use Pleroma.Web, :controller
import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2, fetch_integer_param: 2]
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.StatusView
def new_scrobble(%{assigns: %{user: user}} = conn, %{"title" => _} = params) do
params =
if !params["length"] do
params
else
params
|> Map.put("length", fetch_integer_param(params, "length"))
end
with {:ok, activity} <- CommonAPI.listen(user, params) do
conn
|> put_view(StatusView)
|> render("listen.json", %{activity: activity, for: user})
else
{:error, message} ->
conn
|> put_status(:bad_request)
|> json(%{"error" => message})
end
end
def user_scrobbles(%{assigns: %{user: reading_user}} = conn, params) do
with %User{} = user <- User.get_cached_by_nickname_or_id(params["id"], for: reading_user) do
params = Map.put(params, "type", ["Listen"])
activities = ActivityPub.fetch_user_abstract_activities(user, reading_user, params)
conn
|> add_link_headers(activities)
|> put_view(StatusView)
|> render("listens.json", %{
activities: activities,
for: reading_user,
as: :activity
})
end
end
end

11
lib/pleroma/web/router.ex
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@ -300,6 +300,17 @@ defmodule Pleroma.Web.Router do
patch("/conversations/:id", PleromaAPIController, :update_conversation)
post("/notifications/read", PleromaAPIController, :read_notification)
end
scope [] do
pipe_through(:oauth_write)
post("/scrobble", ScrobbleController, :new_scrobble)
end
end
scope "/api/v1/pleroma", Pleroma.Web.PleromaAPI do
pipe_through([:api, :oauth_read_or_public])
get("/accounts/:id/scrobbles", ScrobbleController, :user_scrobbles)
end
scope "/api/v1", Pleroma.Web.MastodonAPI do

41
test/support/factory.ex
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@ -71,6 +71,47 @@ defmodule Pleroma.Factory do
}
end
def audio_factory(attrs \\ %{}) do
text = sequence(:text, &"lain radio episode #{&1}")
user = attrs[:user] || insert(:user)
data = %{
"type" => "Audio",
"id" => Pleroma.Web.ActivityPub.Utils.generate_object_id(),
"artist" => "lain",
"title" => text,
"album" => "lain radio",
"to" => ["https://www.w3.org/ns/activitystreams#Public"],
"published" => DateTime.utc_now() |> DateTime.to_iso8601(),
"actor" => user.ap_id,
"length" => 180_000
}
%Pleroma.Object{
data: merge_attributes(data, Map.get(attrs, :data, %{}))
}
end
def listen_factory do
audio = insert(:audio)
data = %{
"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
"type" => "Listen",
"actor" => audio.data["actor"],
"to" => audio.data["to"],
"object" => audio.data,
"published" => audio.data["published"]
}
%Pleroma.Activity{
data: data,
actor: data["actor"],
recipients: data["to"]
}
end
def direct_note_factory do
user2 = insert(:user)

36
test/web/activity_pub/activity_pub_test.exs
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@ -257,6 +257,42 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
end
end
describe "listen activities" do
test "does not increase user note count" do
user = insert(:user)
{:ok, activity} =
ActivityPub.listen(%{
to: ["https://www.w3.org/ns/activitystreams#Public"],
actor: user,
context: "",
object: %{
"actor" => user.ap_id,
"to" => ["https://www.w3.org/ns/activitystreams#Public"],
"artist" => "lain",
"title" => "lain radio episode 1",
"length" => 180_000,
"type" => "Audio"
}
})
assert activity.actor == user.ap_id
user = User.get_cached_by_id(user.id)
assert user.info.note_count == 0
end
test "can be fetched into a timeline" do
_listen_activity_1 = insert(:listen)
_listen_activity_2 = insert(:listen)
_listen_activity_3 = insert(:listen)
timeline = ActivityPub.fetch_activities([], %{"type" => ["Listen"]})
assert length(timeline) == 3
end
end
describe "create activities" do
test "removes doubled 'to' recipients" do
user = insert(:user)

43
test/web/activity_pub/transmogrifier_test.exs
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@ -177,6 +177,35 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
end)
end
test "it works for incoming listens" do
data = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"to" => ["https://www.w3.org/ns/activitystreams#Public"],
"cc" => [],
"type" => "Listen",
"id" => "http://mastodon.example.org/users/admin/listens/1234/activity",
"actor" => "http://mastodon.example.org/users/admin",
"object" => %{
"type" => "Audio",
"id" => "http://mastodon.example.org/users/admin/listens/1234",
"attributedTo" => "http://mastodon.example.org/users/admin",
"title" => "lain radio episode 1",
"artist" => "lain",
"album" => "lain radio",
"length" => 180_000
}
}
{:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
object = Object.normalize(activity)
assert object.data["title"] == "lain radio episode 1"
assert object.data["artist"] == "lain"
assert object.data["album"] == "lain radio"
assert object.data["length"] == 180_000
end
test "it rewrites Note votes to Answers and increments vote counters on question activities" do
user = insert(:user)
@ -1190,6 +1219,20 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
assert is_nil(modified["bcc"])
end
test "it can handle Listen activities" do
listen_activity = insert(:listen)
{:ok, modified} = Transmogrifier.prepare_outgoing(listen_activity.data)
assert modified["type"] == "Listen"
user = insert(:user)
{:ok, activity} = CommonAPI.listen(user, %{"title" => "lain radio episode 1"})
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
end
end
describe "user upgrade" do

39
test/web/common_api/common_api_test.exs
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@ -510,4 +510,43 @@ defmodule Pleroma.Web.CommonAPITest do
assert {:error, "Already voted"} == CommonAPI.vote(other_user, object, [1])
end
end
describe "listen/2" do
test "returns a valid activity" do
user = insert(:user)
{:ok, activity} =
CommonAPI.listen(user, %{
"title" => "lain radio episode 1",
"album" => "lain radio",
"artist" => "lain",
"length" => 180_000
})
object = Object.normalize(activity)
assert object.data["title"] == "lain radio episode 1"
assert Visibility.get_visibility(activity) == "public"
end
test "respects visibility=private" do
user = insert(:user)
{:ok, activity} =
CommonAPI.listen(user, %{
"title" => "lain radio episode 1",
"album" => "lain radio",
"artist" => "lain",
"length" => 180_000,
"visibility" => "private"
})
object = Object.normalize(activity)
assert object.data["title"] == "lain radio episode 1"
assert Visibility.get_visibility(activity) == "private"
end
end
end

9
test/web/mastodon_api/views/status_view_test.exs
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@ -608,4 +608,13 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
assert status.visibility == "list"
end
test "successfully renders a Listen activity (pleroma extension)" do
listen_activity = insert(:listen)
status = StatusView.render("listen.json", activity: listen_activity)
assert status.length == listen_activity.data["object"]["length"]
assert status.title == listen_activity.data["object"]["title"]
end
end

63
test/web/pleroma_api/controllers/scrobble_controller_test.exs Normal file
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@ -0,0 +1,63 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.ScrobbleControllerTest do
use Pleroma.Web.ConnCase
alias Pleroma.Web.CommonAPI
import Pleroma.Factory
describe "POST /api/v1/pleroma/scrobble" do
test "works correctly", %{conn: conn} do
user = insert(:user)
conn =
conn
|> assign(:user, user)
|> post("/api/v1/pleroma/scrobble", %{
"title" => "lain radio episode 1",
"artist" => "lain",
"album" => "lain radio",
"length" => "180000"
})
assert %{"title" => "lain radio episode 1"} = json_response(conn, 200)
end
end
describe "GET /api/v1/pleroma/accounts/:id/scrobbles" do
test "works correctly", %{conn: conn} do
user = insert(:user)
{:ok, _activity} =
CommonAPI.listen(user, %{
"title" => "lain radio episode 1",
"artist" => "lain",
"album" => "lain radio"
})
{:ok, _activity} =
CommonAPI.listen(user, %{
"title" => "lain radio episode 2",
"artist" => "lain",
"album" => "lain radio"
})
{:ok, _activity} =
CommonAPI.listen(user, %{
"title" => "lain radio episode 3",
"artist" => "lain",
"album" => "lain radio"
})
conn =
conn
|> get("/api/v1/pleroma/accounts/#{user.id}/scrobbles")
result = json_response(conn, 200)
assert length(result) == 3
end
end
end