1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.MastodonAPI.TimelineController do
6 use Pleroma.Web, :controller
8 import Pleroma.Web.ControllerHelper,
9 only: [add_link_headers: 2, add_link_headers: 3, truthy_param?: 1]
11 alias Pleroma.Pagination
12 alias Pleroma.Plugs.OAuthScopesPlug
13 alias Pleroma.Plugs.RateLimiter
15 alias Pleroma.Web.ActivityPub.ActivityPub
17 # TODO: Replace with a macro when there is a Phoenix release with
18 # https://github.com/phoenixframework/phoenix/commit/2e8c63c01fec4dde5467dbbbf9705ff9e780735e
21 plug(RateLimiter, [name: :timeline, bucket_name: :direct_timeline] when action == :direct)
22 plug(RateLimiter, [name: :timeline, bucket_name: :public_timeline] when action == :public)
23 plug(RateLimiter, [name: :timeline, bucket_name: :home_timeline] when action == :home)
24 plug(RateLimiter, [name: :timeline, bucket_name: :hashtag_timeline] when action == :hashtag)
25 plug(RateLimiter, [name: :timeline, bucket_name: :list_timeline] when action == :list)
27 plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct])
28 plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)
30 plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
32 plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
34 # GET /api/v1/timelines/home
35 def home(%{assigns: %{user: user}} = conn, params) do
38 |> Map.put("type", ["Create", "Announce"])
39 |> Map.put("blocking_user", user)
40 |> Map.put("muting_user", user)
41 |> Map.put("user", user)
43 recipients = [user.ap_id | User.following(user)]
47 |> ActivityPub.fetch_activities(params)
51 |> add_link_headers(activities)
52 |> render("index.json", activities: activities, for: user, as: :activity)
55 # GET /api/v1/timelines/direct
56 def direct(%{assigns: %{user: user}} = conn, params) do
59 |> Map.put("type", "Create")
60 |> Map.put("blocking_user", user)
61 |> Map.put("user", user)
62 |> Map.put(:visibility, "direct")
66 |> ActivityPub.fetch_activities_query(params)
67 |> Pagination.fetch_paginated(params)
70 |> add_link_headers(activities)
71 |> render("index.json", activities: activities, for: user, as: :activity)
74 # GET /api/v1/timelines/public
75 def public(%{assigns: %{user: user}} = conn, params) do
76 local_only = truthy_param?(params["local"])
80 |> Map.put("type", ["Create", "Announce"])
81 |> Map.put("local_only", local_only)
82 |> Map.put("blocking_user", user)
83 |> Map.put("muting_user", user)
84 |> ActivityPub.fetch_public_activities()
87 |> add_link_headers(activities, %{"local" => local_only})
88 |> render("index.json", activities: activities, for: user, as: :activity)
91 def hashtag_fetching(params, user, local_only) do
93 [params["tag"], params["any"]]
97 |> Enum.map(&String.downcase(&1))
101 |> Map.get("all", [])
102 |> Enum.map(&String.downcase(&1))
106 |> Map.get("none", [])
107 |> Enum.map(&String.downcase(&1))
111 |> Map.put("type", "Create")
112 |> Map.put("local_only", local_only)
113 |> Map.put("blocking_user", user)
114 |> Map.put("muting_user", user)
115 |> Map.put("user", user)
116 |> Map.put("tag", tags)
117 |> Map.put("tag_all", tag_all)
118 |> Map.put("tag_reject", tag_reject)
119 |> ActivityPub.fetch_public_activities()
122 # GET /api/v1/timelines/tag/:tag
123 def hashtag(%{assigns: %{user: user}} = conn, params) do
124 local_only = truthy_param?(params["local"])
126 activities = hashtag_fetching(params, user, local_only)
129 |> add_link_headers(activities, %{"local" => local_only})
130 |> render("index.json", activities: activities, for: user, as: :activity)
133 # GET /api/v1/timelines/list/:list_id
134 def list(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
135 with %Pleroma.List{title: _title, following: following} <- Pleroma.List.get(id, user) do
138 |> Map.put("type", "Create")
139 |> Map.put("blocking_user", user)
140 |> Map.put("user", user)
141 |> Map.put("muting_user", user)
143 # we must filter the following list for the user to avoid leaking statuses the user
144 # does not actually have permission to see (for more info, peruse security issue #270).
146 user_following = User.following(user)
150 |> Enum.filter(fn x -> x in user_following end)
151 |> ActivityPub.fetch_activities_bounded(following, params)
154 render(conn, "index.json", activities: activities, for: user, as: :activity)
156 _e -> render_error(conn, :forbidden, "Error.")