forked from AkkomaGang/akkoma
Limit body size to 25MB
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1 changed files with 23 additions and 5 deletions
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@ -2,6 +2,8 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
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use Pleroma.Web, :controller
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require Logger
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@max_body_length 25 * 1048576
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@cache_control %{
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default: "public, max-age=1209600",
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error: "public, must-revalidate, max-age=160",
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@ -29,11 +31,13 @@ def remote(conn, %{"sig" => sig, "url" => url}) do
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defp proxy_request(link) do
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headers = [{"user-agent", "Pleroma/MediaProxy; #{Pleroma.Web.base_url()} <#{Application.get_env(:pleroma, :instance)[:email]}>"}]
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options = [:insecure, {:follow_redirect, true}]
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case :hackney.request(:get, link, headers, "", options) do
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{:ok, 200, headers, client} ->
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headers = Enum.into(headers, Map.new)
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{:ok, body} = :hackney.body(client)
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{:ok, headers["Content-Type"], body}
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with \
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{:ok, 200, headers, client} <- :hackney.request(:get, link, headers, "", options),
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{:ok, body} <- proxy_request_body(client)
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do
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headers = Enum.into(headers, Map.new)
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{:ok, headers["Content-Type"], body}
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else
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{:ok, status, _, _} ->
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Logger.warn "MediaProxy: request failed, status #{status}, link: #{link}"
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{:error, {:http, :bad_status, link}}
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@ -56,4 +60,18 @@ defp send_error(conn, code, body \\ "") do
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|> send_resp(code, body)
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end
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defp proxy_request_body(client), do: proxy_request_body(client, <<>>)
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defp proxy_request_body(client, body) when byte_size(body) < @max_body_length do
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case :hackney.stream_body(client) do
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{:ok, data} -> proxy_request_body(client, <<body :: binary, data :: binary>>)
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:done -> {:ok, body}
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{:error, reason} -> {:error, reason}
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end
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end
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defp proxy_request_body(client, _) do
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:hackney.close(client)
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{:error, :body_too_large}
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end
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end
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