129 lines
3.8 KiB
Elixir
129 lines
3.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
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alias Pleroma.EctoType.ActivityPub.ObjectValidators
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alias Pleroma.Maps
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alias Pleroma.Object
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alias Pleroma.Object.Containment
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Pleroma.Web.ActivityPub.Utils
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require Pleroma.Constants
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def cast_and_filter_recipients(message, field, follower_collection, field_fallback \\ []) do
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{:ok, data} = ObjectValidators.Recipients.cast(message[field] || field_fallback)
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data =
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Enum.reject(data, fn x ->
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String.ends_with?(x, "/followers") and x != follower_collection
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end)
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Map.put(message, field, data)
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end
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def fix_object_defaults(data) do
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data = Maps.filter_empty_values(data)
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context =
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Utils.maybe_create_context(
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data["context"] || data["conversation"] || data["inReplyTo"] || data["id"]
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)
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%User{follower_address: follower_collection} = User.get_cached_by_ap_id(data["attributedTo"])
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data
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|> Map.put("context", context)
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|> cast_and_filter_recipients("to", follower_collection)
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|> cast_and_filter_recipients("cc", follower_collection)
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|> cast_and_filter_recipients("bto", follower_collection)
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|> cast_and_filter_recipients("bcc", follower_collection)
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|> Transmogrifier.fix_implicit_addressing(follower_collection)
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end
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def fix_activity_addressing(activity) do
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%User{follower_address: follower_collection} = User.get_cached_by_ap_id(activity["actor"])
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activity
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|> cast_and_filter_recipients("to", follower_collection)
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|> cast_and_filter_recipients("cc", follower_collection)
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|> cast_and_filter_recipients("bto", follower_collection)
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|> cast_and_filter_recipients("bcc", follower_collection)
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|> Transmogrifier.fix_implicit_addressing(follower_collection)
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end
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def fix_actor(data) do
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actor =
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data
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|> Map.put_new("actor", data["attributedTo"])
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|> Containment.get_actor()
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data
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|> Map.put("actor", actor)
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|> Map.put("attributedTo", actor)
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end
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def fix_activity_context(data, %Object{data: %{"context" => object_context}}) do
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data
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|> Map.put("context", object_context)
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end
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def fix_object_action_recipients(%{"actor" => actor} = data, %Object{data: %{"actor" => actor}}) do
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to = ((data["to"] || []) -- [actor]) |> Enum.uniq()
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Map.put(data, "to", to)
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end
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def fix_object_action_recipients(data, %Object{data: %{"actor" => actor}}) do
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to = ((data["to"] || []) ++ [actor]) |> Enum.uniq()
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Map.put(data, "to", to)
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end
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def fix_quote_url(%{"quoteUrl" => _quote_url} = data), do: data
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# Fedibird
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# https://github.com/fedibird/mastodon/commit/dbd7ae6cf58a92ec67c512296b4daaea0d01e6ac
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def fix_quote_url(%{"quoteUri" => quote_url} = data) do
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Map.put(data, "quoteUrl", quote_url)
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end
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# Old Fedibird (bug)
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# https://github.com/fedibird/mastodon/issues/9
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def fix_quote_url(%{"quoteURL" => quote_url} = data) do
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Map.put(data, "quoteUrl", quote_url)
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end
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# Misskey fallback
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def fix_quote_url(%{"_misskey_quote" => quote_url} = data) do
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Map.put(data, "quoteUrl", quote_url)
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end
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def fix_quote_url(%{"tag" => [_ | _] = tags} = data) do
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tag = Enum.find(tags, &object_link_tag?/1)
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if not is_nil(tag) do
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data
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|> Map.put("quoteUrl", tag["href"])
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else
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data
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end
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end
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def fix_quote_url(data), do: data
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# https://codeberg.org/fediverse/fep/src/branch/main/fep/e232/fep-e232.md
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def object_link_tag?(%{
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"type" => "Link",
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"mediaType" => media_type,
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"href" => href
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})
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when media_type in Pleroma.Constants.activity_json_mime_types() and is_binary(href) do
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true
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end
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def object_link_tag?(_), do: false
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end
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