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72 lines
2 KiB
Elixir
72 lines
2 KiB
Elixir
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.MRF.InlineQuotePolicy do
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@moduledoc "Force a quote line into the message content."
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@behaviour Pleroma.Web.ActivityPub.MRF.Policy
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defp build_inline_quote(prefix, url) do
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"<span class=\"quote-inline\"><br/><br/>#{prefix}: <a href=\"#{url}\">#{url}</a></span>"
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end
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defp has_inline_quote?(content, quote_url) do
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cond do
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# Does the quote URL exist in the content?
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content =~ quote_url -> true
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# Does the content already have a .quote-inline span?
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content =~ "<span class=\"quote-inline\">" -> true
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# No inline quote found
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true -> false
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end
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end
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defp filter_object(%{"quoteUri" => quote_url} = object) do
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content = object["content"] || ""
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if has_inline_quote?(content, quote_url) do
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object
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else
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prefix = Pleroma.Config.get([:mrf_inline_quote, :prefix])
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content =
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if String.ends_with?(content, "</p>") do
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String.trim_trailing(content, "</p>") <> build_inline_quote(prefix, quote_url) <> "</p>"
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else
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content <> build_inline_quote(prefix, quote_url)
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end
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Map.put(object, "content", content)
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end
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end
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@impl true
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def filter(%{"object" => %{"quoteUri" => _} = object} = activity) do
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{:ok, Map.put(activity, "object", filter_object(object))}
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end
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@impl true
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def filter(object), do: {:ok, object}
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@impl true
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def describe, do: {:ok, %{}}
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@impl true
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def config_description do
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%{
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key: :mrf_inline_quote,
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related_policy: "Pleroma.Web.ActivityPub.MRF.InlineQuotePolicy",
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label: "MRF Inline Quote",
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description: "Force quote post URLs inline",
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children: [
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%{
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key: :prefix,
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type: :string,
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description: "Prefix before the link",
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suggestions: ["RE", "QT", "RT", "RN"]
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}
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]
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}
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end
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end
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