148 lines
4.4 KiB
Elixir
148 lines
4.4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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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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only: [add_link_headers: 2, add_link_headers: 3, truthy_param?: 1]
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alias Pleroma.Pagination
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alias Pleroma.Plugs.OAuthScopesPlug
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct])
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plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)
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plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
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plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
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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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|> 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("user", user)
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recipients = [user.ap_id | User.following(user)]
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activities =
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recipients
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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", activities: activities, for: user, as: :activity)
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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", activities: activities, for: user, as: :activity)
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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 = truthy_param?(params["local"])
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activities =
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params
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|> Map.put("type", ["Create", "Announce"])
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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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|> ActivityPub.fetch_public_activities()
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conn
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|> add_link_headers(activities, %{"local" => local_only})
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|> render("index.json", activities: activities, for: user, as: :activity)
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end
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def hashtag_fetching(params, user, local_only) do
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tags =
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[params["tag"], params["any"]]
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|> List.flatten()
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|> Enum.uniq()
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|> Enum.filter(& &1)
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|> Enum.map(&String.downcase(&1))
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tag_all =
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params
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|> Map.get("all", [])
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|> Enum.map(&String.downcase(&1))
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tag_reject =
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params
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|> Map.get("none", [])
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|> Enum.map(&String.downcase(&1))
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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("user", user)
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|> Map.put("tag", tags)
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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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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 = truthy_param?(params["local"])
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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", activities: activities, for: user, as: :activity)
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end
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# GET /api/v1/timelines/list/:list_id
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def list(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
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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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|> 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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# 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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user_following = User.following(user)
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activities =
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following
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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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render(conn, "index.json", activities: activities, for: user, as: :activity)
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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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