1877 lines
		
	
	
	
		
			56 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			1877 lines
		
	
	
	
		
			56 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
 | |
| # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 | |
| # SPDX-License-Identifier: AGPL-3.0-only
 | |
| 
 | |
| defmodule Pleroma.Web.ActivityPub.ActivityPub do
 | |
|   alias Akkoma.Collections
 | |
|   alias Pleroma.Activity
 | |
|   alias Pleroma.Activity.Ir.Topics
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|   alias Pleroma.Config
 | |
|   alias Pleroma.Constants
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|   alias Pleroma.Conversation
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|   alias Pleroma.Conversation.Participation
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|   alias Pleroma.Filter
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|   alias Pleroma.Hashtag
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|   alias Pleroma.Maps
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|   alias Pleroma.Notification
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|   alias Pleroma.Object
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|   alias Pleroma.Object.Containment
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|   alias Pleroma.Object.Fetcher
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|   alias Pleroma.Pagination
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|   alias Pleroma.Repo
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|   alias Pleroma.Upload
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|   alias Pleroma.User
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|   alias Pleroma.Web.ActivityPub.MRF
 | |
|   alias Pleroma.Web.ActivityPub.Transmogrifier
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|   alias Pleroma.Web.Streamer
 | |
|   alias Pleroma.Web.WebFinger
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|   alias Pleroma.Workers.BackgroundWorker
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|   alias Pleroma.Workers.PollWorker
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| 
 | |
|   import Ecto.Query
 | |
|   import Pleroma.Web.ActivityPub.Utils
 | |
|   import Pleroma.Web.ActivityPub.Visibility
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| 
 | |
|   require Logger
 | |
|   require Pleroma.Constants
 | |
| 
 | |
|   @behaviour Pleroma.Web.ActivityPub.ActivityPub.Persisting
 | |
|   @behaviour Pleroma.Web.ActivityPub.ActivityPub.Streaming
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| 
 | |
|   defp get_recipients(%{"type" => "Create"} = data) do
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|     to = Map.get(data, "to", [])
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|     cc = Map.get(data, "cc", [])
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|     bcc = Map.get(data, "bcc", [])
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|     actor = Map.get(data, "actor", [])
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|     recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
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|     {recipients, to, cc}
 | |
|   end
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| 
 | |
|   defp get_recipients(data) do
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|     to = Map.get(data, "to", [])
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|     cc = Map.get(data, "cc", [])
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|     bcc = Map.get(data, "bcc", [])
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|     recipients = Enum.concat([to, cc, bcc])
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|     {recipients, to, cc}
 | |
|   end
 | |
| 
 | |
|   defp check_actor_can_insert(%{"type" => "Delete"}), do: true
 | |
|   defp check_actor_can_insert(%{"type" => "Undo"}), do: true
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| 
 | |
|   defp check_actor_can_insert(%{"actor" => actor}) when is_binary(actor) do
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|     case User.get_cached_by_ap_id(actor) do
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|       %User{is_active: true} -> true
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|       _ -> false
 | |
|     end
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|   end
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| 
 | |
|   defp check_actor_can_insert(_), do: true
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| 
 | |
|   defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
 | |
|     limit = Config.get([:instance, :remote_limit])
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|     String.length(content) <= limit
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|   end
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| 
 | |
|   defp check_remote_limit(_), do: true
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| 
 | |
|   def increase_note_count_if_public(actor, object) do
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|     if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
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|   end
 | |
| 
 | |
|   def decrease_note_count_if_public(actor, object) do
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|     if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
 | |
|   end
 | |
| 
 | |
|   def update_last_status_at_if_public(actor, object) do
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|     if is_public?(object), do: User.update_last_status_at(actor), else: {:ok, actor}
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|   end
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| 
 | |
|   defp increase_replies_count_if_reply(%{
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|          "object" => %{"inReplyTo" => reply_ap_id} = object,
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|          "type" => "Create"
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|        }) do
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|     if is_public?(object) do
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|       Object.increase_replies_count(reply_ap_id)
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|     end
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|   end
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| 
 | |
|   defp increase_replies_count_if_reply(_create_data), do: :noop
 | |
| 
 | |
|   @object_types ~w[Question Answer Audio Video Event Article Note Page]
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|   @impl true
 | |
|   def persist(%{"type" => type} = object, meta) when type in @object_types do
 | |
|     with {:ok, object} <- Object.create(object) do
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|       {:ok, object, meta}
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|     end
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|   end
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| 
 | |
|   @unpersisted_activity_types ~w[Undo Delete Remove Accept Reject]
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|   @impl true
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|   def persist(%{"type" => type} = object, [local: false] = meta)
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|       when type in @unpersisted_activity_types do
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|     {:ok, object, meta}
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|     {recipients, _, _} = get_recipients(object)
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| 
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|     unpersisted = %Activity{
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|       data: object,
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|       local: false,
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|       recipients: recipients,
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|       actor: object["actor"]
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|     }
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| 
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|     {:ok, unpersisted, meta}
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|   end
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| 
 | |
|   @impl true
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|   def persist(object, meta) do
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|     with local <- Keyword.fetch!(meta, :local),
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|          {recipients, _, _} <- get_recipients(object),
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|          {:ok, activity} <-
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|            Repo.insert(%Activity{
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|              data: object,
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|              local: local,
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|              recipients: recipients,
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|              actor: object["actor"]
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|            }),
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|          # TODO: add tests for expired activities, when Note type will be supported in new pipeline
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|          {:ok, _} <- maybe_create_activity_expiration(activity) do
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|       {:ok, activity, meta}
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|     end
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|   end
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| 
 | |
|   @spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
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|   def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do
 | |
|     with nil <- Activity.normalize(map),
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|          map <- lazy_put_activity_defaults(map, fake),
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|          {_, true} <- {:actor_check, bypass_actor_check || check_actor_can_insert(map)},
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|          {_, true} <- {:remote_limit_pass, check_remote_limit(map)},
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|          {:ok, map} <- MRF.filter(map),
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|          {recipients, _, _} = get_recipients(map),
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|          {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
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|          {:containment, :ok} <- {:containment, Containment.contain_child(map)},
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|          {:ok, map, object} <- insert_full_object(map),
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|          {:ok, activity} <- insert_activity_with_expiration(map, local, recipients) do
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|       # Splice in the child object if we have one.
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|       activity = Maps.put_if_present(activity, :object, object)
 | |
| 
 | |
|       ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
 | |
|         Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
 | |
|       end)
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| 
 | |
|       # Add local posts to search index
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|       if local, do: Pleroma.Search.add_to_index(activity)
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| 
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|       {:ok, activity}
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|     else
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|       %Activity{} = activity ->
 | |
|         {:ok, activity}
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| 
 | |
|       {:actor_check, _} ->
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|         {:error, false}
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| 
 | |
|       {:containment, _} = error ->
 | |
|         error
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| 
 | |
|       {:error, _} = error ->
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|         error
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| 
 | |
|       {:fake, true, map, recipients} ->
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|         activity = %Activity{
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|           data: map,
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|           local: local,
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|           actor: map["actor"],
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|           recipients: recipients,
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|           id: "pleroma:fakeid"
 | |
|         }
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| 
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|         Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
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|         {:ok, activity}
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| 
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|       {:remote_limit_pass, _} ->
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|         {:error, :remote_limit}
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| 
 | |
|       {:reject, _} = e ->
 | |
|         {:error, e}
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|     end
 | |
|   end
 | |
| 
 | |
|   defp insert_activity_with_expiration(data, local, recipients) do
 | |
|     struct = %Activity{
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|       data: data,
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|       local: local,
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|       actor: data["actor"],
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|       recipients: recipients
 | |
|     }
 | |
| 
 | |
|     with {:ok, activity} <- Repo.insert(struct) do
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|       maybe_create_activity_expiration(activity)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def notify_and_stream(activity) do
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|     Notification.create_notifications(activity)
 | |
| 
 | |
|     original_activity =
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|       case activity do
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|         %{data: %{"type" => "Update"}, object: %{data: %{"id" => id}}} ->
 | |
|           Activity.get_create_by_object_ap_id_with_object(id)
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| 
 | |
|         _ ->
 | |
|           activity
 | |
|       end
 | |
| 
 | |
|     conversation = create_or_bump_conversation(original_activity, original_activity.actor)
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|     participations = get_participations(conversation)
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|     stream_out(activity)
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|     stream_out_participations(participations)
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|   end
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| 
 | |
|   defp maybe_create_activity_expiration(
 | |
|          %{data: %{"expires_at" => %DateTime{} = expires_at}} = activity
 | |
|        ) do
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|     with {:ok, _job} <-
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|            Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
 | |
|              activity_id: activity.id,
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|              expires_at: expires_at
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|            }) do
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|       {:ok, activity}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp maybe_create_activity_expiration(activity), do: {:ok, activity}
 | |
| 
 | |
|   defp create_or_bump_conversation(activity, actor) do
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|     with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
 | |
|          %User{} = user <- User.get_cached_by_ap_id(actor) do
 | |
|       Participation.mark_as_read(user, conversation)
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|       {:ok, conversation}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp get_participations({:ok, conversation}) do
 | |
|     conversation
 | |
|     |> Repo.preload(:participations, force: true)
 | |
|     |> Map.get(:participations)
 | |
|   end
 | |
| 
 | |
|   defp get_participations(_), do: []
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| 
 | |
|   def stream_out_participations(participations) do
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|     participations =
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|       participations
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|       |> Repo.preload(:user)
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| 
 | |
|     Streamer.stream("participation", participations)
 | |
|   end
 | |
| 
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|   @impl true
 | |
|   def stream_out_participations(%Object{data: %{"context" => context}}, user) do
 | |
|     with %Conversation{} = conversation <- Conversation.get_for_ap_id(context) do
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|       conversation = Repo.preload(conversation, :participations)
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| 
 | |
|       last_activity_id =
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|         fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{
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|           user: user,
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|           blocking_user: user
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|         })
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| 
 | |
|       if last_activity_id do
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|         stream_out_participations(conversation.participations)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   @impl true
 | |
|   def stream_out_participations(_, _), do: :noop
 | |
| 
 | |
|   @impl true
 | |
|   def stream_out(%Activity{data: %{"type" => data_type}} = activity)
 | |
|       when data_type in ["Create", "Announce", "Delete", "Update"] do
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|     activity
 | |
|     |> Topics.get_activity_topics()
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|     |> Streamer.stream(activity)
 | |
|   end
 | |
| 
 | |
|   @impl true
 | |
|   def stream_out(_activity) do
 | |
|     :noop
 | |
|   end
 | |
| 
 | |
|   @spec create(map(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
 | |
|   def create(params, fake \\ false) do
 | |
|     with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do
 | |
|       result
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do
 | |
|     additional = params[:additional] || %{}
 | |
|     # only accept false as false value
 | |
|     local = !(params[:local] == false)
 | |
|     published = params[:published]
 | |
|     quick_insert? = Config.get([:env]) == :benchmark
 | |
| 
 | |
|     create_data =
 | |
|       make_create_data(
 | |
|         %{to: to, actor: actor, published: published, context: context, object: object},
 | |
|         additional
 | |
|       )
 | |
| 
 | |
|     with {:ok, activity} <- insert(create_data, local, fake),
 | |
|          {:fake, false, activity} <- {:fake, fake, activity},
 | |
|          _ <- increase_replies_count_if_reply(create_data),
 | |
|          {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
 | |
|          {:ok, _actor} <- increase_note_count_if_public(actor, activity),
 | |
|          {:ok, _actor} <- update_last_status_at_if_public(actor, activity),
 | |
|          _ <- notify_and_stream(activity),
 | |
|          :ok <- maybe_schedule_poll_notifications(activity),
 | |
|          :ok <- maybe_federate(activity) do
 | |
|       {:ok, activity}
 | |
|     else
 | |
|       {:quick_insert, true, activity} ->
 | |
|         {:ok, activity}
 | |
| 
 | |
|       {:fake, true, activity} ->
 | |
|         {:ok, activity}
 | |
| 
 | |
|       {:error, message} ->
 | |
|         Repo.rollback(message)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp maybe_schedule_poll_notifications(activity) do
 | |
|     PollWorker.schedule_poll_end(activity)
 | |
|     :ok
 | |
|   end
 | |
| 
 | |
|   @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
 | |
|           {:ok, Activity.t()} | nil | {:error, any()}
 | |
|   def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
 | |
|     with {:ok, result} <-
 | |
|            Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
 | |
|       result
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp do_unfollow(follower, followed, activity_id, local)
 | |
| 
 | |
|   defp do_unfollow(follower, followed, activity_id, local) when local == true do
 | |
|     with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
 | |
|          unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
 | |
|          {:ok, activity} <- insert(unfollow_data, local),
 | |
|          {:ok, _activity} <- Repo.delete(follow_activity),
 | |
|          _ <- notify_and_stream(activity),
 | |
|          :ok <- maybe_federate(activity) do
 | |
|       {:ok, activity}
 | |
|     else
 | |
|       nil -> nil
 | |
|       {:error, error} -> Repo.rollback(error)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp do_unfollow(follower, followed, activity_id, false) do
 | |
|     # On a remote unfollow, _remove_ their activity from the database, since some software (MISSKEEEEY)
 | |
|     # uses deterministic ids for follows.
 | |
|     with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
 | |
|          {:ok, _activity} <- Repo.delete(follow_activity),
 | |
|          unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
 | |
|          unfollow_activity <- make_unfollow_activity(unfollow_data, false),
 | |
|          _ <- notify_and_stream(unfollow_activity) do
 | |
|       {:ok, unfollow_activity}
 | |
|     else
 | |
|       nil -> nil
 | |
|       {:error, error} -> Repo.rollback(error)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp make_unfollow_activity(data, local) do
 | |
|     {recipients, _, _} = get_recipients(data)
 | |
| 
 | |
|     %Activity{
 | |
|       data: data,
 | |
|       local: local,
 | |
|       actor: data["actor"],
 | |
|       recipients: recipients
 | |
|     }
 | |
|   end
 | |
| 
 | |
|   @spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
 | |
|   def flag(params) do
 | |
|     with {:ok, result} <- Repo.transaction(fn -> do_flag(params) end) do
 | |
|       result
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp do_flag(
 | |
|          %{
 | |
|            actor: actor,
 | |
|            context: _context,
 | |
|            account: account,
 | |
|            statuses: statuses,
 | |
|            content: content
 | |
|          } = params
 | |
|        ) do
 | |
|     # only accept false as false value
 | |
|     local = !(params[:local] == false)
 | |
|     forward = !(params[:forward] == false)
 | |
| 
 | |
|     additional = params[:additional] || %{}
 | |
| 
 | |
|     additional =
 | |
|       if forward do
 | |
|         Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
 | |
|       else
 | |
|         Map.merge(additional, %{"to" => [], "cc" => []})
 | |
|       end
 | |
| 
 | |
|     with flag_data <- make_flag_data(params, additional),
 | |
|          {:ok, activity} <- insert(flag_data, local),
 | |
|          {:ok, stripped_activity} <- strip_report_status_data(activity),
 | |
|          _ <- notify_and_stream(activity),
 | |
|          :ok <-
 | |
|            maybe_federate(stripped_activity) do
 | |
|       User.all_superusers()
 | |
|       |> Enum.filter(fn user -> user.ap_id != actor end)
 | |
|       |> Enum.filter(fn user -> not is_nil(user.email) end)
 | |
|       |> Enum.each(fn superuser ->
 | |
|         superuser
 | |
|         |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
 | |
|         |> Pleroma.Emails.Mailer.deliver_async()
 | |
|       end)
 | |
| 
 | |
|       {:ok, activity}
 | |
|     else
 | |
|       {:error, error} -> Repo.rollback(error)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   @spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
 | |
|   def move(%User{} = origin, %User{} = target, local \\ true) do
 | |
|     params = %{
 | |
|       "type" => "Move",
 | |
|       "actor" => origin.ap_id,
 | |
|       "object" => origin.ap_id,
 | |
|       "target" => target.ap_id,
 | |
|       "to" => [origin.follower_address]
 | |
|     }
 | |
| 
 | |
|     with true <- origin.ap_id in target.also_known_as,
 | |
|          {:ok, activity} <- insert(params, local),
 | |
|          _ <- notify_and_stream(activity) do
 | |
|       maybe_federate(activity)
 | |
| 
 | |
|       BackgroundWorker.enqueue("move_following", %{
 | |
|         "origin_id" => origin.id,
 | |
|         "target_id" => target.id
 | |
|       })
 | |
| 
 | |
|       {:ok, activity}
 | |
|     else
 | |
|       false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
 | |
|       err -> err
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def fetch_activities_for_context_query(context, opts) do
 | |
|     public = [Constants.as_public()]
 | |
| 
 | |
|     recipients =
 | |
|       if opts[:user],
 | |
|         do: [opts[:user].ap_id | User.following(opts[:user])] ++ public,
 | |
|         else: public
 | |
| 
 | |
|     from(activity in Activity)
 | |
|     |> maybe_preload_objects(opts)
 | |
|     |> maybe_preload_bookmarks(opts)
 | |
|     |> maybe_set_thread_muted_field(opts)
 | |
|     |> restrict_blocked(opts)
 | |
|     |> restrict_blockers_visibility(opts)
 | |
|     |> restrict_recipients(recipients, opts[:user])
 | |
|     |> restrict_filtered(opts)
 | |
|     |> where(
 | |
|       [activity],
 | |
|       fragment(
 | |
|         "?->>'type' = ? and ?->>'context' = ?",
 | |
|         activity.data,
 | |
|         "Create",
 | |
|         activity.data,
 | |
|         ^context
 | |
|       )
 | |
|     )
 | |
|     |> exclude_poll_votes(opts)
 | |
|     |> exclude_id(opts)
 | |
|     |> order_by([activity], desc: activity.id)
 | |
|   end
 | |
| 
 | |
|   @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
 | |
|   def fetch_activities_for_context(context, opts \\ %{}) do
 | |
|     context
 | |
|     |> fetch_activities_for_context_query(opts)
 | |
|     |> Repo.all()
 | |
|   end
 | |
| 
 | |
|   @spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() | map()) ::
 | |
|           FlakeId.Ecto.CompatType.t() | nil
 | |
|   def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
 | |
|     context
 | |
|     |> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))
 | |
|     |> restrict_visibility(%{visibility: "direct"})
 | |
|     |> limit(1)
 | |
|     |> select([a], a.id)
 | |
|     |> Repo.one()
 | |
|   end
 | |
| 
 | |
|   defp fetch_paginated_optimized(query, opts, pagination) do
 | |
|     # Note: tag-filtering funcs may apply "ORDER BY objects.id DESC",
 | |
|     #   and extra sorting on "activities.id DESC NULLS LAST" would worse the query plan
 | |
|     opts = Map.put(opts, :skip_extra_order, true)
 | |
| 
 | |
|     Pagination.fetch_paginated(query, opts, pagination)
 | |
|   end
 | |
| 
 | |
|   def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
 | |
|     list_memberships = Pleroma.List.memberships(opts[:user])
 | |
| 
 | |
|     fetch_activities_query(recipients ++ list_memberships, opts)
 | |
|     |> fetch_paginated_optimized(opts, pagination)
 | |
|     |> Enum.reverse()
 | |
|     |> maybe_update_cc(list_memberships, opts[:user])
 | |
|   end
 | |
| 
 | |
|   @spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()]
 | |
|   def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do
 | |
|     includes_local_public = Map.get(opts, :includes_local_public, false)
 | |
| 
 | |
|     opts = Map.delete(opts, :user)
 | |
| 
 | |
|     intended_recipients =
 | |
|       if includes_local_public do
 | |
|         [Constants.as_public(), as_local_public()]
 | |
|       else
 | |
|         [Constants.as_public()]
 | |
|       end
 | |
| 
 | |
|     intended_recipients
 | |
|     |> fetch_activities_query(opts)
 | |
|     |> restrict_unlisted(opts)
 | |
|     |> fetch_paginated_optimized(opts, pagination)
 | |
|   end
 | |
| 
 | |
|   @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
 | |
|   def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
 | |
|     opts
 | |
|     |> Map.put(:restrict_unlisted, true)
 | |
|     |> fetch_public_or_unlisted_activities(pagination)
 | |
|   end
 | |
| 
 | |
|   @valid_visibilities ~w[direct unlisted public private]
 | |
| 
 | |
|   defp restrict_visibility(query, %{visibility: visibility})
 | |
|        when is_list(visibility) do
 | |
|     if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
 | |
|       from(
 | |
|         a in query,
 | |
|         where:
 | |
|           fragment(
 | |
|             "activity_visibility(?, ?, ?) = ANY (?)",
 | |
|             a.actor,
 | |
|             a.recipients,
 | |
|             a.data,
 | |
|             ^visibility
 | |
|           )
 | |
|       )
 | |
|     else
 | |
|       Logger.error("Could not restrict visibility to #{visibility}")
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp restrict_visibility(query, %{visibility: visibility})
 | |
|        when visibility in @valid_visibilities do
 | |
|     from(
 | |
|       a in query,
 | |
|       where:
 | |
|         fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_visibility(_query, %{visibility: visibility})
 | |
|        when visibility not in @valid_visibilities do
 | |
|     Logger.error("Could not restrict visibility to #{visibility}")
 | |
|   end
 | |
| 
 | |
|   defp restrict_visibility(query, _visibility), do: query
 | |
| 
 | |
|   defp exclude_visibility(query, %{exclude_visibilities: visibility})
 | |
|        when is_list(visibility) do
 | |
|     if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
 | |
|       from(
 | |
|         a in query,
 | |
|         where:
 | |
|           not fragment(
 | |
|             "activity_visibility(?, ?, ?) = ANY (?)",
 | |
|             a.actor,
 | |
|             a.recipients,
 | |
|             a.data,
 | |
|             ^visibility
 | |
|           )
 | |
|       )
 | |
|     else
 | |
|       Logger.error("Could not exclude visibility to #{visibility}")
 | |
|       query
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp exclude_visibility(query, %{exclude_visibilities: visibility})
 | |
|        when visibility in @valid_visibilities do
 | |
|     from(
 | |
|       a in query,
 | |
|       where:
 | |
|         not fragment(
 | |
|           "activity_visibility(?, ?, ?) = ?",
 | |
|           a.actor,
 | |
|           a.recipients,
 | |
|           a.data,
 | |
|           ^visibility
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp exclude_visibility(query, %{exclude_visibilities: visibility})
 | |
|        when visibility not in [nil | @valid_visibilities] do
 | |
|     Logger.error("Could not exclude visibility to #{visibility}")
 | |
|     query
 | |
|   end
 | |
| 
 | |
|   defp exclude_visibility(query, _visibility), do: query
 | |
| 
 | |
|   defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
 | |
|     do: query
 | |
| 
 | |
|   defp restrict_thread_visibility(query, %{user: %User{skip_thread_containment: true}}, _),
 | |
|     do: query
 | |
| 
 | |
|   defp restrict_thread_visibility(query, %{user: %User{ap_id: ap_id}}, _) do
 | |
|     local_public = as_local_public()
 | |
| 
 | |
|     from(
 | |
|       a in query,
 | |
|       where: fragment("thread_visibility(?, (?)->>'id', ?) = true", ^ap_id, a.data, ^local_public)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   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)
 | |
| 
 | |
|     %{
 | |
|       godmode: params[:godmode],
 | |
|       reading_user: reading_user
 | |
|     }
 | |
|     |> user_activities_recipients()
 | |
|     |> fetch_activities(params)
 | |
|     |> Enum.reverse()
 | |
|   end
 | |
| 
 | |
|   def fetch_user_activities(user, reading_user, params \\ %{})
 | |
| 
 | |
|   def fetch_user_activities(user, reading_user, %{total: true} = params) do
 | |
|     result = fetch_activities_for_user(user, reading_user, params)
 | |
| 
 | |
|     Keyword.put(result, :items, Enum.reverse(result[:items]))
 | |
|   end
 | |
| 
 | |
|   def fetch_user_activities(user, reading_user, params) do
 | |
|     user
 | |
|     |> fetch_activities_for_user(reading_user, params)
 | |
|     |> Enum.reverse()
 | |
|   end
 | |
| 
 | |
|   defp fetch_activities_for_user(user, reading_user, params) do
 | |
|     params =
 | |
|       params
 | |
|       |> Map.put(:type, ["Create", "Announce"])
 | |
|       |> Map.put(:user, reading_user)
 | |
|       |> Map.put(:actor_id, user.ap_id)
 | |
|       |> Map.put(:pinned_object_ids, Map.keys(user.pinned_objects))
 | |
| 
 | |
|     params =
 | |
|       if User.blocks?(reading_user, user) do
 | |
|         params
 | |
|       else
 | |
|         params
 | |
|         |> Map.put(:blocking_user, reading_user)
 | |
|         |> Map.put(:muting_user, reading_user)
 | |
|       end
 | |
| 
 | |
|     pagination_type = Map.get(params, :pagination_type) || :keyset
 | |
| 
 | |
|     %{
 | |
|       godmode: params[:godmode],
 | |
|       reading_user: reading_user
 | |
|     }
 | |
|     |> user_activities_recipients()
 | |
|     |> fetch_activities(params, pagination_type)
 | |
|   end
 | |
| 
 | |
|   def fetch_statuses(reading_user, %{total: true} = params) do
 | |
|     result = fetch_activities_for_reading_user(reading_user, params)
 | |
|     Keyword.put(result, :items, Enum.reverse(result[:items]))
 | |
|   end
 | |
| 
 | |
|   def fetch_statuses(reading_user, params) do
 | |
|     reading_user
 | |
|     |> fetch_activities_for_reading_user(params)
 | |
|     |> Enum.reverse()
 | |
|   end
 | |
| 
 | |
|   defp fetch_activities_for_reading_user(reading_user, params) do
 | |
|     params = Map.put(params, :type, ["Create", "Announce"])
 | |
| 
 | |
|     %{
 | |
|       godmode: params[:godmode],
 | |
|       reading_user: reading_user
 | |
|     }
 | |
|     |> user_activities_recipients()
 | |
|     |> fetch_activities(params, :offset)
 | |
|   end
 | |
| 
 | |
|   def user_activities_recipients(%{godmode: true}), do: []
 | |
| 
 | |
|   def user_activities_recipients(%{reading_user: reading_user}) do
 | |
|     if not is_nil(reading_user) and reading_user.local do
 | |
|       [
 | |
|         Constants.as_public(),
 | |
|         as_local_public(),
 | |
|         reading_user.ap_id | User.following(reading_user)
 | |
|       ]
 | |
|     else
 | |
|       [Constants.as_public()]
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
 | |
|     raise "Can't use the child object without preloading!"
 | |
|   end
 | |
| 
 | |
|   defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
 | |
|     from(
 | |
|       [activity, object] in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           "?->>'type' != ? or ?->>'actor' != ?",
 | |
|           activity.data,
 | |
|           "Announce",
 | |
|           object.data,
 | |
|           ^actor
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_announce_object_actor(query, _), do: query
 | |
| 
 | |
|   defp restrict_since(query, %{since_id: ""}), do: query
 | |
| 
 | |
|   defp restrict_since(query, %{since_id: since_id}) do
 | |
|     from(activity in query, where: activity.id > ^since_id)
 | |
|   end
 | |
| 
 | |
|   defp restrict_since(query, _), do: query
 | |
| 
 | |
|   defp restrict_embedded_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_all(query, %{tag_all: [_ | _] = tag_all}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_all(query, %{tag_all: tag}) when is_binary(tag) do
 | |
|     restrict_embedded_tag_any(query, %{tag: tag})
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_all(query, _), do: query
 | |
| 
 | |
|   defp restrict_embedded_tag_any(_query, %{tag: _tag, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_any(query, %{tag: [_ | _] = tag_any}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag_any)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_any(query, %{tag: tag}) when is_binary(tag) do
 | |
|     restrict_embedded_tag_any(query, %{tag: [tag]})
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_any(query, _), do: query
 | |
| 
 | |
|   defp restrict_embedded_tag_reject_any(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_reject_any(query, %{tag_reject: [_ | _] = tag_reject}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_reject_any(query, %{tag_reject: tag_reject})
 | |
|        when is_binary(tag_reject) do
 | |
|     restrict_embedded_tag_reject_any(query, %{tag_reject: [tag_reject]})
 | |
|   end
 | |
| 
 | |
|   defp restrict_embedded_tag_reject_any(query, _), do: query
 | |
| 
 | |
|   defp object_ids_query_for_tags(tags) do
 | |
|     from(hto in "hashtags_objects")
 | |
|     |> join(:inner, [hto], ht in Pleroma.Hashtag, on: hto.hashtag_id == ht.id)
 | |
|     |> where([hto, ht], ht.name in ^tags)
 | |
|     |> select([hto], hto.object_id)
 | |
|     |> distinct([hto], true)
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_all(_query, %{tag_all: _tag, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_all(query, %{tag_all: [single_tag]}) do
 | |
|     restrict_hashtag_any(query, %{tag: single_tag})
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_all(query, %{tag_all: [_ | _] = tags}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           """
 | |
|           (SELECT array_agg(hashtags.name) FROM hashtags JOIN hashtags_objects
 | |
|             ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?)
 | |
|               AND hashtags_objects.object_id = ?) @> ?
 | |
|           """,
 | |
|           ^tags,
 | |
|           object.id,
 | |
|           ^tags
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_all(query, %{tag_all: tag}) when is_binary(tag) do
 | |
|     restrict_hashtag_all(query, %{tag_all: [tag]})
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_all(query, _), do: query
 | |
| 
 | |
|   defp restrict_hashtag_any(_query, %{tag: _tag, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_any(query, %{tag: [_ | _] = tags}) do
 | |
|     hashtag_ids =
 | |
|       from(ht in Hashtag, where: ht.name in ^tags, select: ht.id)
 | |
|       |> Repo.all()
 | |
| 
 | |
|     # Note: NO extra ordering should be done on "activities.id desc nulls last" for optimal plan
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       join: hto in "hashtags_objects",
 | |
|       on: hto.object_id == object.id,
 | |
|       where: hto.hashtag_id in ^hashtag_ids,
 | |
|       distinct: [desc: object.id],
 | |
|       order_by: [desc: object.id]
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_any(query, %{tag: tag}) when is_binary(tag) do
 | |
|     restrict_hashtag_any(query, %{tag: [tag]})
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_any(query, _), do: query
 | |
| 
 | |
|   defp restrict_hashtag_reject_any(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
 | |
|     raise_on_missing_preload()
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_reject_any(query, %{tag_reject: [_ | _] = tags_reject}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: object.id not in subquery(object_ids_query_for_tags(tags_reject))
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_reject_any(query, %{tag_reject: tag_reject}) when is_binary(tag_reject) do
 | |
|     restrict_hashtag_reject_any(query, %{tag_reject: [tag_reject]})
 | |
|   end
 | |
| 
 | |
|   defp restrict_hashtag_reject_any(query, _), do: query
 | |
| 
 | |
|   defp raise_on_missing_preload do
 | |
|     raise "Can't use the child object without preloading!"
 | |
|   end
 | |
| 
 | |
|   defp restrict_recipients(query, [], _user), do: query
 | |
| 
 | |
|   defp restrict_recipients(query, recipients, nil) do
 | |
|     from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
 | |
|   end
 | |
| 
 | |
|   defp restrict_recipients(query, recipients, user) do
 | |
|     from(
 | |
|       activity in query,
 | |
|       where: fragment("? && ?", ^recipients, activity.recipients),
 | |
|       or_where: activity.actor == ^user.ap_id
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   # Essentially, either look for activities addressed to `recipients`, _OR_ ones
 | |
|   # that reference a hashtag that the user follows
 | |
|   # Firstly, two fallbacks in case there's no hashtag constraint, or the user doesn't
 | |
|   # follow any
 | |
|   defp restrict_recipients_or_hashtags(query, recipients, user, nil) do
 | |
|     restrict_recipients(query, recipients, user)
 | |
|   end
 | |
| 
 | |
|   defp restrict_recipients_or_hashtags(query, recipients, user, []) do
 | |
|     restrict_recipients(query, recipients, user)
 | |
|   end
 | |
| 
 | |
|   defp restrict_recipients_or_hashtags(query, recipients, _user, hashtag_ids) do
 | |
|     from([activity, object] in query)
 | |
|     |> join(:left, [activity, object], hto in "hashtags_objects",
 | |
|       on: hto.object_id == object.id,
 | |
|       as: :hto
 | |
|     )
 | |
|     |> where(
 | |
|       [activity, object, hto: hto],
 | |
|       (hto.hashtag_id in ^hashtag_ids and ^Constants.as_public() in activity.recipients) or
 | |
|         fragment("? && ?", ^recipients, activity.recipients)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_local(query, %{local_only: true}) do
 | |
|     from(activity in query, where: activity.local == true)
 | |
|   end
 | |
| 
 | |
|   defp restrict_local(query, _), do: query
 | |
| 
 | |
|   defp restrict_remote(query, %{remote: true}) do
 | |
|     from(activity in query, where: activity.local == false)
 | |
|   end
 | |
| 
 | |
|   defp restrict_remote(query, _), do: query
 | |
| 
 | |
|   defp restrict_actor(query, %{actor_id: actor_id}) do
 | |
|     from(activity in query, where: activity.actor == ^actor_id)
 | |
|   end
 | |
| 
 | |
|   defp restrict_actor(query, _), do: query
 | |
| 
 | |
|   defp restrict_type(query, %{type: type}) when is_binary(type) do
 | |
|     from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
 | |
|   end
 | |
| 
 | |
|   defp restrict_type(query, %{type: type}) do
 | |
|     from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
 | |
|   end
 | |
| 
 | |
|   defp restrict_type(query, _), do: query
 | |
| 
 | |
|   defp restrict_state(query, %{state: state}) do
 | |
|     from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
 | |
|   end
 | |
| 
 | |
|   defp restrict_state(query, _), do: query
 | |
| 
 | |
|   defp restrict_favorited_by(query, %{favorited_by: ap_id}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_favorited_by(query, _), do: query
 | |
| 
 | |
|   defp restrict_media(_query, %{only_media: _val, skip_preload: true}) do
 | |
|     raise "Can't use the child object without preloading!"
 | |
|   end
 | |
| 
 | |
|   defp restrict_media(query, %{only_media: true}) do
 | |
|     from(
 | |
|       [activity, object] in query,
 | |
|       where: fragment("(?)->>'type' = ?", activity.data, "Create"),
 | |
|       where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_media(query, _), do: query
 | |
| 
 | |
|   defp restrict_replies(query, %{exclude_replies: true}) do
 | |
|     from(
 | |
|       [_activity, object] in query,
 | |
|       where: fragment("?->>'inReplyTo' is null", object.data)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_replies(query, %{
 | |
|          reply_filtering_user: %User{} = user,
 | |
|          reply_visibility: "self"
 | |
|        }) do
 | |
|     from(
 | |
|       [activity, object] in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           "?->>'inReplyTo' is null OR ? = ANY(?)",
 | |
|           object.data,
 | |
|           ^user.ap_id,
 | |
|           activity.recipients
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_replies(query, %{
 | |
|          reply_filtering_user: %User{} = user,
 | |
|          reply_visibility: "following"
 | |
|        }) do
 | |
|     from(
 | |
|       [activity, object] in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           """
 | |
|           ?->>'type' != 'Create'     -- This isn't a Create
 | |
|           OR ?->>'inReplyTo' is null -- this isn't a reply
 | |
|           OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
 | |
|                                      -- unless they are the author (because authors
 | |
|                                      -- are also part of the recipients). This leads
 | |
|                                      -- to a bug that self-replies by friends won't
 | |
|                                      -- show up.
 | |
|           OR ? = ?                   -- The actor is us
 | |
|           """,
 | |
|           activity.data,
 | |
|           object.data,
 | |
|           ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
 | |
|           activity.recipients,
 | |
|           activity.actor,
 | |
|           activity.actor,
 | |
|           ^user.ap_id
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_replies(query, _), do: query
 | |
| 
 | |
|   defp restrict_reblogs(query, %{exclude_reblogs: true}) do
 | |
|     from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
 | |
|   end
 | |
| 
 | |
|   defp restrict_reblogs(query, _), do: query
 | |
| 
 | |
|   defp restrict_muted(query, %{with_muted: true}), do: query
 | |
| 
 | |
|   defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
 | |
|     mutes = opts[:muted_users_ap_ids] || User.muted_users_ap_ids(user)
 | |
| 
 | |
|     query =
 | |
|       from([activity] in query,
 | |
|         where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
 | |
|         where:
 | |
|           fragment(
 | |
|             "not (?->'to' \\?| ?) or ? = ?",
 | |
|             activity.data,
 | |
|             ^mutes,
 | |
|             activity.actor,
 | |
|             ^user.ap_id
 | |
|           )
 | |
|       )
 | |
| 
 | |
|     unless opts[:skip_preload] do
 | |
|       from([thread_mute: tm] in query, where: is_nil(tm.user_id))
 | |
|     else
 | |
|       query
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp restrict_muted(query, _), do: query
 | |
| 
 | |
|   defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
 | |
|     blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
 | |
|     domain_blocks = user.domain_blocks || []
 | |
| 
 | |
|     following_ap_ids = User.get_friends_ap_ids(user)
 | |
| 
 | |
|     query =
 | |
|       if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
 | |
| 
 | |
|     from(
 | |
|       [activity, object: o] in query,
 | |
|       # You don't block the author
 | |
|       where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
 | |
| 
 | |
|       # You don't block any recipients, and didn't author the post
 | |
|       where:
 | |
|         fragment(
 | |
|           "((not (? && ?)) or ? = ?)",
 | |
|           activity.recipients,
 | |
|           ^blocked_ap_ids,
 | |
|           activity.actor,
 | |
|           ^user.ap_id
 | |
|         ),
 | |
| 
 | |
|       # You don't block the domain of any recipients, and didn't author the post
 | |
|       where:
 | |
|         fragment(
 | |
|           "(recipients_contain_blocked_domains(?, ?) = false) or ? = ?",
 | |
|           activity.recipients,
 | |
|           ^domain_blocks,
 | |
|           activity.actor,
 | |
|           ^user.ap_id
 | |
|         ),
 | |
| 
 | |
|       # It's not a boost of a user you block
 | |
|       where:
 | |
|         fragment(
 | |
|           "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
 | |
|           activity.data,
 | |
|           activity.data,
 | |
|           ^blocked_ap_ids
 | |
|         ),
 | |
| 
 | |
|       # You don't block the author's domain, and also don't follow the author
 | |
|       where:
 | |
|         fragment(
 | |
|           "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
 | |
|           activity.actor,
 | |
|           ^domain_blocks,
 | |
|           activity.actor,
 | |
|           ^following_ap_ids
 | |
|         ),
 | |
| 
 | |
|       # Same as above, but checks the Object
 | |
|       where:
 | |
|         fragment(
 | |
|           "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
 | |
|           o.data,
 | |
|           ^domain_blocks,
 | |
|           o.data,
 | |
|           ^following_ap_ids
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_blocked(query, _), do: query
 | |
| 
 | |
|   defp restrict_blockers_visibility(query, %{blocking_user: %User{} = user}) do
 | |
|     if Config.get([:activitypub, :blockers_visible]) == true do
 | |
|       query
 | |
|     else
 | |
|       blocker_ap_ids = User.incoming_relationships_ungrouped_ap_ids(user, [:block])
 | |
| 
 | |
|       from(
 | |
|         activity in query,
 | |
|         # The author doesn't block you
 | |
|         where: fragment("not (? = ANY(?))", activity.actor, ^blocker_ap_ids),
 | |
| 
 | |
|         # It's not a boost of a user that blocks you
 | |
|         where:
 | |
|           fragment(
 | |
|             "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
 | |
|             activity.data,
 | |
|             activity.data,
 | |
|             ^blocker_ap_ids
 | |
|           )
 | |
|       )
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp restrict_blockers_visibility(query, _), do: query
 | |
| 
 | |
|   defp restrict_unlisted(query, %{restrict_unlisted: true}) do
 | |
|     from(
 | |
|       activity in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
 | |
|           activity.data,
 | |
|           ^[Constants.as_public()]
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_unlisted(query, _), do: query
 | |
| 
 | |
|   defp restrict_pinned(query, %{pinned: true, pinned_object_ids: ids}) do
 | |
|     from(
 | |
|       [activity, object: o] in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           "(?)->>'type' = 'Create' and coalesce((?)->'object'->>'id', (?)->>'object') = any (?)",
 | |
|           activity.data,
 | |
|           activity.data,
 | |
|           activity.data,
 | |
|           ^ids
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_pinned(query, _), do: query
 | |
| 
 | |
|   defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
 | |
|     muted_reblogs = opts[:reblog_muted_users_ap_ids] || User.reblog_muted_users_ap_ids(user)
 | |
| 
 | |
|     from(
 | |
|       activity in query,
 | |
|       where:
 | |
|         fragment(
 | |
|           "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
 | |
|           activity.data,
 | |
|           activity.actor,
 | |
|           ^muted_reblogs
 | |
|         )
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_muted_reblogs(query, _), do: query
 | |
| 
 | |
|   defp restrict_instance(query, %{instance: instance}) when is_binary(instance) do
 | |
|     from(
 | |
|       activity in query,
 | |
|       where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_instance(query, %{instance: instance}) when is_list(instance) do
 | |
|     from(
 | |
|       activity in query,
 | |
|       where: fragment("split_part(actor::text, '/'::text, 3) = ANY(?)", ^instance)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp restrict_instance(query, _), do: query
 | |
| 
 | |
|   defp restrict_filtered(query, %{user: %User{} = user}) do
 | |
|     case Filter.compose_regex(user) do
 | |
|       nil ->
 | |
|         query
 | |
| 
 | |
|       regex ->
 | |
|         from([activity, object] in query,
 | |
|           where:
 | |
|             fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
 | |
|               activity.actor == ^user.ap_id
 | |
|         )
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
 | |
|     restrict_filtered(query, %{user: user})
 | |
|   end
 | |
| 
 | |
|   defp restrict_filtered(query, _), do: query
 | |
| 
 | |
|   defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
 | |
| 
 | |
|   defp exclude_poll_votes(query, _) do
 | |
|     if has_named_binding?(query, :object) do
 | |
|       from([activity, object: o] in query,
 | |
|         where: fragment("not(?->>'type' = ?)", o.data, "Answer")
 | |
|       )
 | |
|     else
 | |
|       query
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp exclude_invisible_actors(query, %{type: "Flag"}), do: query
 | |
|   defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
 | |
| 
 | |
|   defp exclude_invisible_actors(query, _opts) do
 | |
|     query
 | |
|     |> join(:inner, [activity], u in User,
 | |
|       as: :u,
 | |
|       on: activity.actor == u.ap_id and u.invisible == false
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
 | |
|     from(activity in query, where: activity.id != ^id)
 | |
|   end
 | |
| 
 | |
|   defp exclude_id(query, _), do: query
 | |
| 
 | |
|   defp maybe_preload_objects(query, %{skip_preload: true}), do: query
 | |
| 
 | |
|   defp maybe_preload_objects(query, _) do
 | |
|     query
 | |
|     |> Activity.with_preloaded_object()
 | |
|   end
 | |
| 
 | |
|   defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query
 | |
| 
 | |
|   defp maybe_preload_bookmarks(query, opts) do
 | |
|     query
 | |
|     |> Activity.with_preloaded_bookmark(opts[:user])
 | |
|   end
 | |
| 
 | |
|   defp maybe_preload_report_notes(query, %{preload_report_notes: true}) do
 | |
|     query
 | |
|     |> Activity.with_preloaded_report_notes()
 | |
|   end
 | |
| 
 | |
|   defp maybe_preload_report_notes(query, _), do: query
 | |
| 
 | |
|   defp maybe_set_thread_muted_field(query, %{skip_preload: true}), do: query
 | |
| 
 | |
|   defp maybe_set_thread_muted_field(query, opts) do
 | |
|     query
 | |
|     |> Activity.with_set_thread_muted_field(opts[:muting_user] || opts[:user])
 | |
|   end
 | |
| 
 | |
|   defp maybe_order(query, %{order: :desc}) do
 | |
|     query
 | |
|     |> order_by(desc: :id)
 | |
|   end
 | |
| 
 | |
|   defp maybe_order(query, %{order: :asc}) do
 | |
|     query
 | |
|     |> order_by(asc: :id)
 | |
|   end
 | |
| 
 | |
|   defp maybe_order(query, _), do: query
 | |
| 
 | |
|   defp normalize_fetch_activities_query_opts(opts) do
 | |
|     Enum.reduce([:tag, :tag_all, :tag_reject], opts, fn key, opts ->
 | |
|       case opts[key] do
 | |
|         value when is_bitstring(value) ->
 | |
|           Map.put(opts, key, Hashtag.normalize_name(value))
 | |
| 
 | |
|         value when is_list(value) ->
 | |
|           normalized_value =
 | |
|             value
 | |
|             |> Enum.map(&Hashtag.normalize_name/1)
 | |
|             |> Enum.uniq()
 | |
| 
 | |
|           Map.put(opts, key, normalized_value)
 | |
| 
 | |
|         _ ->
 | |
|           opts
 | |
|       end
 | |
|     end)
 | |
|   end
 | |
| 
 | |
|   defp fetch_activities_query_ap_ids_ops(opts) do
 | |
|     source_user = opts[:muting_user]
 | |
|     ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
 | |
| 
 | |
|     ap_id_relationships =
 | |
|       if opts[:blocking_user] && opts[:blocking_user] == source_user do
 | |
|         [:block | ap_id_relationships]
 | |
|       else
 | |
|         ap_id_relationships
 | |
|       end
 | |
| 
 | |
|     preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
 | |
| 
 | |
|     restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
 | |
|     restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)
 | |
| 
 | |
|     restrict_muted_reblogs_opts =
 | |
|       Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)
 | |
| 
 | |
|     {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
 | |
|   end
 | |
| 
 | |
|   def fetch_activities_query(recipients, opts \\ %{}) do
 | |
|     opts = normalize_fetch_activities_query_opts(opts)
 | |
| 
 | |
|     {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
 | |
|       fetch_activities_query_ap_ids_ops(opts)
 | |
| 
 | |
|     config = %{
 | |
|       skip_thread_containment: Config.get([:instance, :skip_thread_containment])
 | |
|     }
 | |
| 
 | |
|     query =
 | |
|       Activity
 | |
|       |> maybe_preload_objects(opts)
 | |
|       |> maybe_preload_bookmarks(opts)
 | |
|       |> maybe_preload_report_notes(opts)
 | |
|       |> maybe_set_thread_muted_field(opts)
 | |
|       |> maybe_order(opts)
 | |
|       |> restrict_recipients_or_hashtags(recipients, opts[:user], opts[:followed_hashtags])
 | |
|       |> restrict_replies(opts)
 | |
|       |> restrict_since(opts)
 | |
|       |> restrict_local(opts)
 | |
|       |> restrict_remote(opts)
 | |
|       |> restrict_actor(opts)
 | |
|       |> restrict_type(opts)
 | |
|       |> restrict_state(opts)
 | |
|       |> restrict_favorited_by(opts)
 | |
|       |> restrict_blocked(restrict_blocked_opts)
 | |
|       |> restrict_blockers_visibility(opts)
 | |
|       |> restrict_muted(restrict_muted_opts)
 | |
|       |> restrict_filtered(opts)
 | |
|       |> restrict_media(opts)
 | |
|       |> restrict_visibility(opts)
 | |
|       |> restrict_thread_visibility(opts, config)
 | |
|       |> restrict_reblogs(opts)
 | |
|       |> restrict_pinned(opts)
 | |
|       |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
 | |
|       |> restrict_instance(opts)
 | |
|       |> restrict_announce_object_actor(opts)
 | |
|       |> restrict_filtered(opts)
 | |
|       |> maybe_restrict_deactivated_users(opts)
 | |
|       |> exclude_poll_votes(opts)
 | |
|       |> exclude_invisible_actors(opts)
 | |
|       |> exclude_visibility(opts)
 | |
| 
 | |
|     if Config.feature_enabled?(:improved_hashtag_timeline) do
 | |
|       query
 | |
|       |> restrict_hashtag_any(opts)
 | |
|       |> restrict_hashtag_all(opts)
 | |
|       |> restrict_hashtag_reject_any(opts)
 | |
|     else
 | |
|       query
 | |
|       |> restrict_embedded_tag_any(opts)
 | |
|       |> restrict_embedded_tag_all(opts)
 | |
|       |> restrict_embedded_tag_reject_any(opts)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   @doc """
 | |
|   Fetch favorites activities of user with order by sort adds to favorites
 | |
|   """
 | |
|   @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
 | |
|   def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
 | |
|     user.ap_id
 | |
|     |> Activity.Queries.by_actor()
 | |
|     |> Activity.Queries.by_type("Like")
 | |
|     |> Activity.with_joined_object()
 | |
|     |> Object.with_joined_activity()
 | |
|     |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
 | |
|     |> order_by([like, _, _], desc_nulls_last: like.id)
 | |
|     |> Pagination.fetch_paginated(
 | |
|       Map.merge(params, %{skip_order: true}),
 | |
|       pagination
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
 | |
|     Enum.map(activities, fn
 | |
|       %{data: %{"bcc" => [_ | _] = bcc}} = activity ->
 | |
|         if Enum.any?(bcc, &(&1 in list_memberships)) do
 | |
|           update_in(activity.data["cc"], &[user_ap_id | &1])
 | |
|         else
 | |
|           activity
 | |
|         end
 | |
| 
 | |
|       activity ->
 | |
|         activity
 | |
|     end)
 | |
|   end
 | |
| 
 | |
|   defp maybe_update_cc(activities, _, _), do: activities
 | |
| 
 | |
|   defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
 | |
|     from(activity in query,
 | |
|       where:
 | |
|         fragment("? && ?", activity.recipients, ^recipients) or
 | |
|           (fragment("? && ?", activity.recipients, ^recipients_with_public) and
 | |
|              ^Constants.as_public() in activity.recipients)
 | |
|     )
 | |
|   end
 | |
| 
 | |
|   def fetch_activities_bounded(
 | |
|         recipients,
 | |
|         recipients_with_public,
 | |
|         opts \\ %{},
 | |
|         pagination \\ :keyset
 | |
|       ) do
 | |
|     fetch_activities_query([], opts)
 | |
|     |> fetch_activities_bounded_query(recipients, recipients_with_public)
 | |
|     |> Pagination.fetch_paginated(opts, pagination)
 | |
|     |> Enum.reverse()
 | |
|   end
 | |
| 
 | |
|   @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
 | |
|   def upload(file, opts \\ []) do
 | |
|     with {:ok, data} <- Upload.store(sanitize_upload_file(file), opts) do
 | |
|       obj_data = Maps.put_if_present(data, "actor", opts[:actor])
 | |
| 
 | |
|       Repo.insert(%Object{data: obj_data})
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp sanitize_upload_file(%Plug.Upload{filename: filename} = upload) when is_binary(filename) do
 | |
|     %Plug.Upload{
 | |
|       upload
 | |
|       | filename: Path.basename(filename)
 | |
|     }
 | |
|   end
 | |
| 
 | |
|   defp sanitize_upload_file(upload), do: upload
 | |
| 
 | |
|   @spec get_actor_url(any()) :: binary() | nil
 | |
|   defp get_actor_url(url) when is_binary(url), do: url
 | |
|   defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
 | |
| 
 | |
|   defp get_actor_url(url) when is_list(url) do
 | |
|     url
 | |
|     |> List.first()
 | |
|     |> get_actor_url()
 | |
|   end
 | |
| 
 | |
|   defp get_actor_url(_url), do: nil
 | |
| 
 | |
|   defp normalize_image(%{"url" => url}) do
 | |
|     %{
 | |
|       "type" => "Image",
 | |
|       "url" => [%{"href" => url}]
 | |
|     }
 | |
|   end
 | |
| 
 | |
|   defp normalize_image(urls) when is_list(urls), do: urls |> List.first() |> normalize_image()
 | |
|   defp normalize_image(_), do: nil
 | |
| 
 | |
|   defp normalize_also_known_as(aka) when is_list(aka), do: aka
 | |
|   defp normalize_also_known_as(aka) when is_binary(aka), do: [aka]
 | |
|   defp normalize_also_known_as(nil), do: []
 | |
| 
 | |
|   defp object_to_user_data(data, additional) do
 | |
|     fields =
 | |
|       data
 | |
|       |> Map.get("attachment", [])
 | |
|       |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
 | |
|       |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
 | |
| 
 | |
|     emojis =
 | |
|       data
 | |
|       |> Map.get("tag", [])
 | |
|       |> Enum.filter(fn
 | |
|         %{"type" => "Emoji"} -> true
 | |
|         _ -> false
 | |
|       end)
 | |
|       |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
 | |
|         {String.trim(name, ":"), url}
 | |
|       end)
 | |
| 
 | |
|     is_locked = data["manuallyApprovesFollowers"] || false
 | |
|     data = Transmogrifier.maybe_fix_user_object(data)
 | |
|     is_discoverable = data["discoverable"] || false
 | |
|     invisible = data["invisible"] || false
 | |
|     actor_type = data["type"] || "Person"
 | |
| 
 | |
|     featured_address = data["featured"]
 | |
|     {:ok, pinned_objects} = fetch_and_prepare_featured_from_ap_id(featured_address)
 | |
| 
 | |
|     public_key =
 | |
|       if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
 | |
|         data["publicKey"]["publicKeyPem"]
 | |
|       end
 | |
| 
 | |
|     shared_inbox =
 | |
|       if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
 | |
|         data["endpoints"]["sharedInbox"]
 | |
|       end
 | |
| 
 | |
|     # if WebFinger request was already done, we probably have acct, otherwise
 | |
|     # we request WebFinger here
 | |
|     nickname = additional[:nickname_from_acct] || generate_nickname(data)
 | |
| 
 | |
|     # also_known_as must be a URL
 | |
|     also_known_as =
 | |
|       data
 | |
|       |> Map.get("alsoKnownAs", [])
 | |
|       |> normalize_also_known_as()
 | |
|       |> Enum.filter(fn url ->
 | |
|         case URI.parse(url) do
 | |
|           %URI{scheme: "http"} -> true
 | |
|           %URI{scheme: "https"} -> true
 | |
|           _ -> false
 | |
|         end
 | |
|       end)
 | |
| 
 | |
|     %{
 | |
|       ap_id: data["id"],
 | |
|       uri: get_actor_url(data["url"]),
 | |
|       ap_enabled: true,
 | |
|       banner: normalize_image(data["image"]),
 | |
|       fields: fields,
 | |
|       emoji: emojis,
 | |
|       is_locked: is_locked,
 | |
|       is_discoverable: is_discoverable,
 | |
|       invisible: invisible,
 | |
|       avatar: normalize_image(data["icon"]),
 | |
|       name: data["name"],
 | |
|       follower_address: data["followers"],
 | |
|       following_address: data["following"],
 | |
|       featured_address: featured_address,
 | |
|       bio: data["summary"] || "",
 | |
|       actor_type: actor_type,
 | |
|       also_known_as: also_known_as,
 | |
|       public_key: public_key,
 | |
|       inbox: data["inbox"],
 | |
|       shared_inbox: shared_inbox,
 | |
|       pinned_objects: pinned_objects,
 | |
|       nickname: nickname
 | |
|     }
 | |
|   end
 | |
| 
 | |
|   defp generate_nickname(%{"preferredUsername" => username} = data) when is_binary(username) do
 | |
|     generated = "#{username}@#{URI.parse(data["id"]).host}"
 | |
| 
 | |
|     if Config.get([WebFinger, :update_nickname_on_user_fetch]) do
 | |
|       case WebFinger.finger(generated) do
 | |
|         {:ok, %{"subject" => "acct:" <> acct}} -> acct
 | |
|         _ -> generated
 | |
|       end
 | |
|     else
 | |
|       generated
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   # nickname can be nil because of virtual actors
 | |
|   defp generate_nickname(_), do: nil
 | |
| 
 | |
|   def fetch_follow_information_for_user(user) do
 | |
|     with {:ok, following_data} <-
 | |
|            Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
 | |
|          {:ok, hide_follows} <- collection_private(following_data),
 | |
|          {:ok, followers_data} <-
 | |
|            Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
 | |
|          {:ok, hide_followers} <- collection_private(followers_data) do
 | |
|       {:ok,
 | |
|        %{
 | |
|          hide_follows: hide_follows,
 | |
|          follower_count: normalize_counter(followers_data["totalItems"]),
 | |
|          following_count: normalize_counter(following_data["totalItems"]),
 | |
|          hide_followers: hide_followers
 | |
|        }}
 | |
|     else
 | |
|       {:error, _} = e -> e
 | |
|       e -> {:error, e}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp normalize_counter(counter) when is_integer(counter), do: counter
 | |
|   defp normalize_counter(_), do: 0
 | |
| 
 | |
|   def maybe_update_follow_information(user_data) do
 | |
|     with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
 | |
|          {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
 | |
|          {_, true} <-
 | |
|            {:collections_available,
 | |
|             !!(user_data[:following_address] && user_data[:follower_address])},
 | |
|          {:ok, info} <-
 | |
|            fetch_follow_information_for_user(user_data) do
 | |
|       info = Map.merge(user_data[:info] || %{}, info)
 | |
| 
 | |
|       user_data
 | |
|       |> Map.put(:info, info)
 | |
|     else
 | |
|       {:user_type_check, false} ->
 | |
|         user_data
 | |
| 
 | |
|       {:collections_available, false} ->
 | |
|         user_data
 | |
| 
 | |
|       {:enabled, false} ->
 | |
|         user_data
 | |
| 
 | |
|       e ->
 | |
|         Logger.error(
 | |
|           "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
 | |
|         )
 | |
| 
 | |
|         user_data
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp collection_private(%{"first" => %{"type" => type}})
 | |
|        when type in ["CollectionPage", "OrderedCollectionPage"],
 | |
|        do: {:ok, false}
 | |
| 
 | |
|   defp collection_private(%{"first" => first}) do
 | |
|     with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
 | |
|            Fetcher.fetch_and_contain_remote_object_from_id(first) do
 | |
|       {:ok, false}
 | |
|     else
 | |
|       {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
 | |
|       {:error, _} = e -> e
 | |
|       e -> {:error, e}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   defp collection_private(_data), do: {:ok, true}
 | |
| 
 | |
|   def user_data_from_user_object(data, additional \\ []) do
 | |
|     with {:ok, data} <- MRF.filter(data) do
 | |
|       {:ok, object_to_user_data(data, additional)}
 | |
|     else
 | |
|       e -> {:error, e}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def fetch_and_prepare_user_from_ap_id(ap_id, additional \\ []) do
 | |
|     with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
 | |
|          {:ok, data} <- user_data_from_user_object(data, additional) do
 | |
|       {:ok, maybe_update_follow_information(data)}
 | |
|     else
 | |
|       # If this has been deleted, only log a debug and not an error
 | |
|       {:error, {"Object has been deleted", _, _} = e} ->
 | |
|         Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
 | |
|         {:error, e}
 | |
| 
 | |
|       {:error, {:reject, reason} = e} ->
 | |
|         Logger.debug("Rejected user #{ap_id}: #{inspect(reason)}")
 | |
|         {:error, e}
 | |
| 
 | |
|       {:error, e} ->
 | |
|         Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
 | |
|         {:error, e}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def maybe_handle_clashing_nickname(data) do
 | |
|     with nickname when is_binary(nickname) <- data[:nickname],
 | |
|          %User{} = old_user <- User.get_by_nickname(nickname),
 | |
|          {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
 | |
|       Logger.info(
 | |
|         "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{data[:ap_id]}, renaming."
 | |
|       )
 | |
| 
 | |
|       old_user
 | |
|       |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
 | |
|       |> User.update_and_set_cache()
 | |
|     else
 | |
|       {:ap_id_comparison, true} ->
 | |
|         Logger.info(
 | |
|           "Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
 | |
|         )
 | |
| 
 | |
|       _ ->
 | |
|         nil
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def pin_data_from_featured_collection(%{
 | |
|         "type" => "OrderedCollection",
 | |
|         "first" => first
 | |
|       }) do
 | |
|     with {:ok, page} <- Fetcher.fetch_and_contain_remote_object_from_id(first) do
 | |
|       page
 | |
|       |> Map.get("orderedItems")
 | |
|       |> Map.new(fn %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()} end)
 | |
|     else
 | |
|       e ->
 | |
|         Logger.error("Could not decode featured collection at fetch #{first}, #{inspect(e)}")
 | |
|         {:ok, %{}}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def pin_data_from_featured_collection(
 | |
|         %{
 | |
|           "type" => type
 | |
|         } = collection
 | |
|       )
 | |
|       when type in ["OrderedCollection", "Collection"] do
 | |
|     {:ok, objects} = Collections.Fetcher.fetch_collection(collection)
 | |
| 
 | |
|     # Items can either be a map _or_ a string
 | |
|     objects
 | |
|     |> Map.new(fn
 | |
|       ap_id when is_binary(ap_id) -> {ap_id, NaiveDateTime.utc_now()}
 | |
|       %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()}
 | |
|     end)
 | |
|   end
 | |
| 
 | |
|   def fetch_and_prepare_featured_from_ap_id(nil) do
 | |
|     {:ok, %{}}
 | |
|   end
 | |
| 
 | |
|   def fetch_and_prepare_featured_from_ap_id(ap_id) do
 | |
|     with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
 | |
|       {:ok, pin_data_from_featured_collection(data)}
 | |
|     else
 | |
|       e ->
 | |
|         Logger.error("Could not decode featured collection at fetch #{ap_id}, #{inspect(e)}")
 | |
|         {:ok, %{}}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def pinned_fetch_task(nil), do: nil
 | |
| 
 | |
|   def pinned_fetch_task(%{pinned_objects: pins}) do
 | |
|     if Enum.all?(pins, fn {ap_id, _} ->
 | |
|          Object.get_cached_by_ap_id(ap_id) ||
 | |
|            match?({:ok, _object}, Fetcher.fetch_object_from_id(ap_id))
 | |
|        end) do
 | |
|       :ok
 | |
|     else
 | |
|       :error
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def make_user_from_ap_id(ap_id, additional \\ []) do
 | |
|     user = User.get_cached_by_ap_id(ap_id)
 | |
| 
 | |
|     if user && !User.ap_enabled?(user) do
 | |
|       Transmogrifier.upgrade_user_from_ap_id(ap_id)
 | |
|     else
 | |
|       with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id, additional) do
 | |
|         {:ok, _pid} = Task.start(fn -> pinned_fetch_task(data) end)
 | |
| 
 | |
|         if user do
 | |
|           user
 | |
|           |> User.remote_user_changeset(data)
 | |
|           |> User.update_and_set_cache()
 | |
|         else
 | |
|           maybe_handle_clashing_nickname(data)
 | |
| 
 | |
|           data
 | |
|           |> User.remote_user_changeset()
 | |
|           |> Repo.insert()
 | |
|           |> User.set_cache()
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def make_user_from_nickname(nickname) do
 | |
|     with {:ok, %{"ap_id" => ap_id, "subject" => "acct:" <> acct}} when not is_nil(ap_id) <-
 | |
|            WebFinger.finger(nickname) do
 | |
|       make_user_from_ap_id(ap_id, nickname_from_acct: acct)
 | |
|     else
 | |
|       _e -> {:error, "No AP id in WebFinger"}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   # filter out broken threads
 | |
|   defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
 | |
|     entire_thread_visible_for_user?(activity, user)
 | |
|   end
 | |
| 
 | |
|   # do post-processing on a specific activity
 | |
|   def contain_activity(%Activity{} = activity, %User{} = user) do
 | |
|     contain_broken_threads(activity, user)
 | |
|   end
 | |
| 
 | |
|   def fetch_direct_messages_query do
 | |
|     Activity
 | |
|     |> restrict_type(%{type: "Create"})
 | |
|     |> restrict_visibility(%{visibility: "direct"})
 | |
|     |> order_by([activity], asc: activity.id)
 | |
|   end
 | |
| 
 | |
|   defp maybe_restrict_deactivated_users(activity, %{type: "Flag"}), do: activity
 | |
| 
 | |
|   defp maybe_restrict_deactivated_users(activity, _opts),
 | |
|     do: Activity.restrict_deactivated_users(activity)
 | |
| end
 | 
