75 lines
1.9 KiB
Elixir
75 lines
1.9 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.AdminAPI.MediaProxyCacheController do
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use Pleroma.Web, :controller
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alias Pleroma.Web.ApiSpec.Admin, as: Spec
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alias Pleroma.Web.MediaProxy
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alias Pleroma.Web.Plugs.OAuthScopesPlug
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plug(Pleroma.Web.ApiSpec.CastAndValidate)
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plug(
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OAuthScopesPlug,
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%{scopes: ["read:media_proxy_caches"], admin: true} when action in [:index]
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)
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plug(
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OAuthScopesPlug,
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%{scopes: ["write:media_proxy_caches"], admin: true} when action in [:purge, :delete]
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)
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action_fallback(Pleroma.Web.AdminAPI.FallbackController)
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defdelegate open_api_operation(action), to: Spec.MediaProxyCacheOperation
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def index(%{assigns: %{user: _}} = conn, params) do
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entries = fetch_entries(params)
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urls = paginate_entries(entries, params.page, params.page_size)
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render(conn, "index.json",
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urls: urls,
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page_size: params.page_size,
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count: length(entries)
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)
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end
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defp fetch_entries(params) do
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MediaProxy.cache_table()
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|> Cachex.stream!(Cachex.Query.create(true, :key))
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|> filter_entries(params[:query])
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end
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defp filter_entries(stream, query) when is_binary(query) do
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regex = ~r/#{query}/i
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stream
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|> Enum.filter(fn url -> String.match?(url, regex) end)
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|> Enum.to_list()
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end
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defp filter_entries(stream, _), do: Enum.to_list(stream)
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defp paginate_entries(entries, page, page_size) do
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offset = page_size * (page - 1)
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Enum.slice(entries, offset, page_size)
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end
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def delete(%{assigns: %{user: _}, body_params: %{urls: urls}} = conn, _) do
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MediaProxy.remove_from_banned_urls(urls)
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json(conn, %{})
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end
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def purge(%{assigns: %{user: _}, body_params: %{urls: urls, ban: ban}} = conn, _) do
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MediaProxy.Invalidation.purge(urls)
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if ban do
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MediaProxy.put_in_banned_urls(urls)
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end
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json(conn, %{})
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end
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end
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