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@@ -87,6 +87,50 @@ defmodule Pleroma.Web.RichMedia.Helpers do |
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def rich_media_get(url) do |
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headers = [{"user-agent", Pleroma.Application.user_agent() <> "; Bot"}] |
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Pleroma.HTTP.get(url, headers, @options) |
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head_check = |
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case Pleroma.HTTP.head(url, headers, @options) do |
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# If the HEAD request didn't reach the server for whatever reason, |
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# we assume the GET that comes right after won't either |
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{:error, _} = e -> |
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e |
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{:ok, %Tesla.Env{status: 200, headers: headers}} -> |
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with :ok <- check_content_type(headers), |
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:ok <- check_content_length(headers), |
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do: :ok |
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_ -> |
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:ok |
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end |
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with :ok <- head_check, do: Pleroma.HTTP.get(url, headers, @options) |
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end |
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defp check_content_type(headers) do |
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case List.keyfind(headers, "content-type", 0) do |
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{_, content_type} -> |
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case Plug.Conn.Utils.media_type(content_type) do |
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{:ok, "text", "html", _} -> :ok |
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_ -> {:error, {:content_type, content_type}} |
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end |
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_ -> |
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:ok |
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end |
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end |
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@max_body @options[:max_body] |
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defp check_content_length(headers) do |
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case List.keyfind(headers, "content-length", 0) do |
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{_, maybe_content_length} -> |
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case Integer.parse(maybe_content_length) do |
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{content_length, ""} when content_length <= @max_body -> :ok |
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{_, ""} -> {:error, :body_too_large} |
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_ -> :ok |
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end |
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_ -> |
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:ok |
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end |
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end |
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end |