5cd6894a66Discovered-by: snow Fixes: https://akkoma.dev/AkkomaGang/akkoma/issues/900 (cherry picked from commit bbf974adc82d09a2099fb1234729131929307911)
40 lines
1.1 KiB
Elixir
40 lines
1.1 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.HTML.Transform.MediaProxy do
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@moduledoc "Transforms inline image URIs to use MediaProxy."
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alias Pleroma.Web.MediaProxy
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def before_scrub(html), do: html
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def scrub_attribute(:img, {"src", "http" <> target}) do
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media_url =
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("http" <> target)
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|> MediaProxy.url()
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{"src", media_url}
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end
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def scrub_attribute(:img, {"src", "//" <> target}) do
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scrub_attribute(:img, {"src", "https://" <> target})
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end
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def scrub_attribute(_tag, attribute), do: attribute
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def scrub({:img, attributes, children}) do
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attributes =
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attributes
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|> Enum.map(fn attr -> scrub_attribute(:img, attr) end)
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|> Enum.reject(&is_nil(&1))
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{:img, attributes, children}
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end
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def scrub({:comment, _text, _children}), do: ""
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def scrub({tag, attributes, children}), do: {tag, attributes, children}
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def scrub({_tag, children}), do: children
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def scrub(text), do: text
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end
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