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7c5f8b2431
They directly put urls for icon/image properties Signed-off-by: Thomas Citharel <tcit@tcit.fr>
210 lines
7.1 KiB
Elixir
210 lines
7.1 KiB
Elixir
defmodule Mobilizon.Federation.ActivityStream.Converter.Actor do
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@moduledoc """
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Actor converter.
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This module allows to convert events from ActivityStream format to our own
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internal one, and back.
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"""
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alias Mobilizon.Actors
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alias Mobilizon.Actors.Actor, as: ActorModel
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alias Mobilizon.Addresses.Address
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alias Mobilizon.Federation.ActivityPub.Utils
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alias Mobilizon.Federation.ActivityStream.{Converter, Convertible}
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alias Mobilizon.Federation.ActivityStream.Converter.Address, as: AddressConverter
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alias Mobilizon.Medias.File
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alias Mobilizon.Service.HTTP.RemoteMediaDownloaderClient
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alias Mobilizon.Service.RichMedia.Parser
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alias Mobilizon.Web.Upload
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import Mobilizon.Federation.ActivityStream.Converter.Utils, only: [get_address: 1]
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import Mobilizon.Federation.ActivityPub.Utils, only: [create_full_domain_string: 1]
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@behaviour Converter
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defimpl Convertible, for: ActorModel do
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alias Mobilizon.Federation.ActivityStream.Converter.Actor, as: ActorConverter
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defdelegate model_to_as(actor), to: ActorConverter
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end
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@allowed_types ["Application", "Group", "Organization", "Person", "Service"]
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@doc """
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Converts an AP object data to our internal data structure.
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"""
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@impl Converter
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@spec as_to_model_data(map()) :: map() | {:error, :actor_not_allowed_type}
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def as_to_model_data(%{"type" => type} = data) when type in @allowed_types do
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avatar =
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download_picture(
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get_picture(data, ["icon", "url"]),
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get_picture(data, ["icon", "name"]),
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"avatar"
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)
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banner =
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download_picture(
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get_picture(data, ["image", "url"]),
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get_picture(data, ["image", "name"]),
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"banner"
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)
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address = get_address(data["location"])
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%{
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url: data["id"],
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avatar: avatar,
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banner: banner,
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name: data["name"],
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preferred_username: data["preferredUsername"],
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summary: data["summary"] || "",
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keys: data["publicKey"]["publicKeyPem"],
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inbox_url: data["inbox"],
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outbox_url: data["outbox"],
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following_url: data["following"],
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followers_url: data["followers"],
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domain: data["id"] |> URI.new!() |> create_full_domain_string(),
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manually_approves_followers: data["manuallyApprovesFollowers"],
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type: data["type"],
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visibility: if(Map.get(data, "discoverable", false) == true, do: :public, else: :unlisted),
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openness: data["openness"],
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physical_address_id: if(address, do: address.id, else: nil)
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}
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|> add_endpoints_to_model(data)
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end
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def as_to_model_data(_), do: {:error, :actor_not_allowed_type}
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defp add_endpoints_to_model(actor, data) do
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# TODO: Remove fallbacks in 3.0
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endpoints = %{
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members_url: get_in(data, ["endpoints", "members"]) || data["members"],
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resources_url: get_in(data, ["endpoints", "resources"]) || data["resources"],
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todos_url: get_in(data, ["endpoints", "todos"]) || data["todos"],
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events_url: get_in(data, ["endpoints", "events"]) || data["events"],
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posts_url: get_in(data, ["endpoints", "posts"]) || data["posts"],
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discussions_url: get_in(data, ["endpoints", "discussions"]) || data["discussions"],
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shared_inbox_url: data["endpoints"]["sharedInbox"]
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}
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Map.merge(actor, endpoints)
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end
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@doc """
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Convert an actor struct to an ActivityStream representation.
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"""
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@impl Converter
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@spec model_to_as(ActorModel.t()) :: map()
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def model_to_as(%ActorModel{} = actor) do
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actor_data = %{
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"id" => actor.url,
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"type" => actor.type,
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"preferredUsername" => actor.preferred_username,
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"name" => actor.name,
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"summary" => actor.summary || "",
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"following" => actor.following_url,
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"followers" => actor.followers_url,
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"inbox" => actor.inbox_url,
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"outbox" => actor.outbox_url,
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"url" => actor.url,
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"endpoints" => %{
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"sharedInbox" => actor.shared_inbox_url
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},
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"discoverable" => actor.visibility == :public,
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"openness" => actor.openness,
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"manuallyApprovesFollowers" => actor.manually_approves_followers,
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"publicKey" => %{
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"id" => "#{actor.url}#main-key",
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"owner" => actor.url,
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"publicKeyPem" =>
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if(is_nil(actor.domain) and not is_nil(actor.keys),
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do: Utils.pem_to_public_key_pem(actor.keys),
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else: actor.keys
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)
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}
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}
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actor_data
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|> add_endpoints(actor)
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|> maybe_add_members(actor)
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|> maybe_add_avatar_picture(actor)
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|> maybe_add_banner_picture(actor)
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|> maybe_add_physical_address(actor)
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end
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defp add_endpoints(%{"endpoints" => endpoints} = actor_data, %ActorModel{} = actor) do
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new_endpoints = %{
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"members" => actor.members_url,
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"resources" => actor.resources_url,
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"todos" => actor.todos_url,
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"posts" => actor.posts_url,
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"events" => actor.events_url,
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"discussions" => actor.discussions_url
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}
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endpoints = Map.merge(endpoints, new_endpoints)
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actor_data
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|> Map.merge(new_endpoints)
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|> Map.put("endpoints", endpoints)
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end
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@spec download_picture(String.t() | nil, String.t(), String.t()) :: map() | nil
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defp download_picture(nil, _name, _default_name), do: nil
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defp download_picture(url, name, default_name) do
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with {:ok, %{body: body, status: code, headers: response_headers}}
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when code in 200..299 <- RemoteMediaDownloaderClient.get(url),
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name <- name || Parser.get_filename_from_response(response_headers, url) || default_name,
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{:ok, file} <- Upload.store(%{body: body, name: name}) do
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Map.take(file, [:content_type, :name, :url, :size])
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else
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_ -> nil
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end
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end
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defp maybe_add_members(actor_data, %ActorModel{type: :Group, members_url: members_url} = group) do
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actor_data
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|> Map.put("members", members_url)
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|> Map.put("memberCount", Actors.count_members_for_group(group))
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end
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defp maybe_add_members(actor_data, %ActorModel{}), do: actor_data
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@spec maybe_add_avatar_picture(map(), ActorModel.t()) :: map()
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defp maybe_add_avatar_picture(actor_data, %ActorModel{avatar: %File{} = avatar}) do
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Map.put(actor_data, "icon", %{
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"type" => "Image",
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"mediaType" => avatar.content_type,
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"url" => avatar.url
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})
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end
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defp maybe_add_avatar_picture(res, %ActorModel{avatar: _}), do: res
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@spec maybe_add_banner_picture(map(), ActorModel.t()) :: map()
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defp maybe_add_banner_picture(actor_data, %ActorModel{banner: %File{} = banner}) do
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Map.put(actor_data, "image", %{
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"type" => "Image",
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"mediaType" => banner.content_type,
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"url" => banner.url
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})
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end
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defp maybe_add_banner_picture(res, %ActorModel{banner: _}), do: res
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@spec maybe_add_physical_address(map(), ActorModel.t()) :: map()
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defp maybe_add_physical_address(res, %ActorModel{
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physical_address: %Address{} = physical_address
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}) do
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Map.put(res, "location", AddressConverter.model_to_as(physical_address))
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end
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defp maybe_add_physical_address(res, _), do: res
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defp get_picture(nil, _keys), do: nil
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defp get_picture(url, _keys) when is_binary(url), do: url
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defp get_picture(data, [key | rest] = keys) when is_map(data) and is_list(keys),
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do: get_picture(data[key], rest)
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end
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