2019-09-26 03:53:42 +00:00
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# Pleroma: A lightweight social networking server
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2021-01-13 06:49:20 +00:00
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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2019-09-26 03:53:42 +00:00
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.MastodonAPI.TimelineController do
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use Pleroma.Web, :controller
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import Pleroma.Web.ControllerHelper,
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2020-05-13 09:50:52 +00:00
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only: [add_link_headers: 2, add_link_headers: 3]
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2019-09-26 03:53:42 +00:00
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2020-08-14 17:55:45 +00:00
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alias Pleroma.Config
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alias Pleroma.Pagination
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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2020-06-24 06:57:27 +00:00
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alias Pleroma.Web.Plugs.OAuthScopesPlug
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2020-06-24 06:35:00 +00:00
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alias Pleroma.Web.Plugs.RateLimiter
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2019-09-26 03:53:42 +00:00
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2020-05-11 11:24:59 +00:00
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plug(Pleroma.Web.ApiSpec.CastAndValidate)
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2021-06-09 00:14:12 +00:00
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plug(:skip_public_check when action in [:public, :hashtag])
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2020-04-24 13:52:38 +00:00
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2020-04-01 16:49:09 +00:00
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# TODO: Replace with a macro when there is a Phoenix release with the following commit in it:
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2020-02-29 23:03:46 +00:00
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# https://github.com/phoenixframework/phoenix/commit/2e8c63c01fec4dde5467dbbbf9705ff9e780735e
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2020-02-28 14:44:59 +00:00
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plug(RateLimiter, [name: :timeline, bucket_name: :direct_timeline] when action == :direct)
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plug(RateLimiter, [name: :timeline, bucket_name: :public_timeline] when action == :public)
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plug(RateLimiter, [name: :timeline, bucket_name: :home_timeline] when action == :home)
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plug(RateLimiter, [name: :timeline, bucket_name: :hashtag_timeline] when action == :hashtag)
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plug(RateLimiter, [name: :timeline, bucket_name: :list_timeline] when action == :list)
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2022-07-22 14:55:38 +00:00
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plug(RateLimiter, [name: :timeline, bucket_name: :bubble_timeline] when action == :bubble)
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2020-02-28 14:44:59 +00:00
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2022-07-22 14:55:38 +00:00
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plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct, :bubble])
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2019-10-02 17:42:40 +00:00
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plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)
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2020-04-22 15:50:25 +00:00
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plug(
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OAuthScopesPlug,
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%{scopes: ["read:statuses"], fallback: :proceed_unauthenticated}
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when action in [:public, :hashtag]
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)
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2020-05-11 11:24:59 +00:00
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defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.TimelineOperation
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2019-09-26 03:53:42 +00:00
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# GET /api/v1/timelines/home
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def home(%{assigns: %{user: user}} = conn, params) do
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params =
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params
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2020-06-04 17:33:16 +00:00
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|> Map.put(:type, ["Create", "Announce"])
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|> Map.put(:blocking_user, user)
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|> Map.put(:muting_user, user)
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|> Map.put(:reply_filtering_user, user)
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|> Map.put(:announce_filtering_user, user)
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|> Map.put(:user, user)
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|> Map.put(:local_only, params[:local])
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|> Map.delete(:local)
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activities =
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[user.ap_id | User.following(user)]
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|> ActivityPub.fetch_activities(params)
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|> Enum.reverse()
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conn
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|> add_link_headers(activities)
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|> render("index.json",
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activities: activities,
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for: user,
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as: :activity,
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with_muted: Map.get(params, :with_muted, false)
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)
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end
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# GET /api/v1/timelines/direct
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def direct(%{assigns: %{user: user}} = conn, params) do
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params =
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params
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|> Map.put(:type, "Create")
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|> Map.put(:blocking_user, user)
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|> Map.put(:user, user)
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|> Map.put(:visibility, "direct")
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activities =
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[user.ap_id]
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|> ActivityPub.fetch_activities_query(params)
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|> Pagination.fetch_paginated(params)
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conn
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|> add_link_headers(activities)
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|> render("index.json",
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activities: activities,
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for: user,
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as: :activity
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)
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end
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2020-07-08 09:54:23 +00:00
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defp restrict_unauthenticated?(true = _local_only) do
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Config.restrict_unauthenticated_access?(:timelines, :local)
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end
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defp restrict_unauthenticated?(_) do
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Config.restrict_unauthenticated_access?(:timelines, :federated)
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end
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# GET /api/v1/timelines/public
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def public(%{assigns: %{user: user}} = conn, params) do
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local_only = params[:local]
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if is_nil(user) and restrict_unauthenticated?(local_only) do
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fail_on_bad_auth(conn)
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else
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activities =
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params
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|> Map.put(:type, ["Create"])
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|> Map.put(:local_only, local_only)
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|> Map.put(:blocking_user, user)
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|> Map.put(:muting_user, user)
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|> Map.put(:reply_filtering_user, user)
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|> Map.put(:instance, params[:instance])
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|> ActivityPub.fetch_public_activities()
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conn
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|> add_link_headers(activities, %{"local" => local_only})
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2020-04-01 16:49:09 +00:00
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|> render("index.json",
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activities: activities,
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for: user,
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as: :activity,
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with_muted: Map.get(params, :with_muted, false)
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)
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end
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end
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2022-07-22 14:55:38 +00:00
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# GET /api/v1/timelines/bubble
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def bubble(%{assigns: %{user: user}} = conn, params) do
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bubble_instances = Config.get([:instance, :local_bubble], [])
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if is_nil(user) do
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fail_on_bad_auth(conn)
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else
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activities =
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params
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|> Map.put(:type, ["Create"])
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|> Map.put(:blocking_user, user)
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|> Map.put(:muting_user, user)
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|> Map.put(:reply_filtering_user, user)
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|> Map.put(:instance, bubble_instances)
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|> ActivityPub.fetch_public_activities()
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conn
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|> add_link_headers(activities)
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|> render("index.json",
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activities: activities,
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for: user,
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as: :activity,
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with_muted: Map.get(params, :with_muted, false)
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)
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end
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end
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2020-07-07 17:37:11 +00:00
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defp fail_on_bad_auth(conn) do
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render_error(conn, :unauthorized, "authorization required for timeline view")
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end
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2020-04-22 15:50:25 +00:00
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defp hashtag_fetching(params, user, local_only) do
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# Note: not sanitizing tag options at this stage (may be mix-cased, have duplicates etc.)
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tags_any =
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[params[:tag], params[:any]]
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|> List.flatten()
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|> Enum.filter(& &1)
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tag_all = Map.get(params, :all, [])
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tag_reject = Map.get(params, :none, [])
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params
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|> Map.put(:type, "Create")
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|> Map.put(:local_only, local_only)
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|> Map.put(:blocking_user, user)
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|> Map.put(:muting_user, user)
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|> Map.put(:user, user)
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|> Map.put(:tag, tags_any)
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|> Map.put(:tag_all, tag_all)
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|> Map.put(:tag_reject, tag_reject)
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|> ActivityPub.fetch_public_activities()
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2020-01-14 16:24:26 +00:00
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end
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# GET /api/v1/timelines/tag/:tag
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def hashtag(%{assigns: %{user: user}} = conn, params) do
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local_only = params[:local]
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2019-09-26 03:53:42 +00:00
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2020-07-07 17:37:11 +00:00
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if is_nil(user) and restrict_unauthenticated?(local_only) do
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fail_on_bad_auth(conn)
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else
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activities = hashtag_fetching(params, user, local_only)
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conn
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|> add_link_headers(activities, %{"local" => local_only})
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|> render("index.json",
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activities: activities,
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for: user,
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2020-11-16 18:23:25 +00:00
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as: :activity,
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with_muted: Map.get(params, :with_muted, false)
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2020-07-07 17:37:11 +00:00
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)
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end
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2019-09-26 03:53:42 +00:00
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end
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# GET /api/v1/timelines/list/:list_id
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2020-05-11 11:24:59 +00:00
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def list(%{assigns: %{user: user}} = conn, %{list_id: id} = params) do
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2019-09-26 03:53:42 +00:00
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with %Pleroma.List{title: _title, following: following} <- Pleroma.List.get(id, user) do
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params =
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params
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2020-08-26 13:37:30 +00:00
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|> Map.put(:type, "Create")
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|> Map.put(:blocking_user, user)
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|> Map.put(:user, user)
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|> Map.put(:muting_user, user)
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|> Map.put(:local_only, params[:local])
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2019-09-26 03:53:42 +00:00
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# we must filter the following list for the user to avoid leaking statuses the user
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# does not actually have permission to see (for more info, peruse security issue #270).
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2019-10-10 19:35:32 +00:00
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user_following = User.following(user)
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2019-09-26 03:53:42 +00:00
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activities =
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following
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2019-10-10 19:35:32 +00:00
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|> Enum.filter(fn x -> x in user_following end)
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|> ActivityPub.fetch_activities_bounded(following, params)
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|> Enum.reverse()
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2021-07-02 13:03:41 +00:00
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conn
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|> add_link_headers(activities)
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|> render("index.json",
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activities: activities,
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for: user,
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as: :activity,
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with_muted: Map.get(params, :with_muted, false)
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2020-04-01 16:49:09 +00:00
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)
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2019-09-26 03:53:42 +00:00
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else
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_e -> render_error(conn, :forbidden, "Error.")
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end
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end
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end
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