use Pleroma.Web, :controller
require Logger
+ @httpoison Application.get_env(:pleroma, :httpoison)
+
+ @max_body_length 25 * 1048576
+
@cache_control %{
default: "public, max-age=1209600",
error: "public, must-revalidate, max-age=160",
with \
true <- Keyword.get(config, :enabled, false),
{:ok, url} <- Pleroma.Web.MediaProxy.decode_url(sig, url),
- url = URI.encode(url),
{:ok, content_type, body} <- proxy_request(url)
do
conn
defp proxy_request(link) do
headers = [{"user-agent", "Pleroma/MediaProxy; #{Pleroma.Web.base_url()} <#{Application.get_env(:pleroma, :instance)[:email]}>"}]
- options = [:insecure, {:follow_redirect, true}]
- case :hackney.request(:get, link, headers, "", options) do
- {:ok, 200, headers, client} ->
- headers = Enum.into(headers, Map.new)
- {:ok, body} = :hackney.body(client)
- {:ok, headers["Content-Type"], body}
+ options = @httpoison.process_request_options([:insecure, {:follow_redirect, true}])
+ with \
+ {:ok, 200, headers, client} <- :hackney.request(:get, link, headers, "", options),
+ headers = Enum.into(headers, Map.new),
+ {:ok, body} <- proxy_request_body(client),
+ content_type <- proxy_request_content_type(headers, body)
+ do
+ {:ok, content_type, body}
+ else
{:ok, status, _, _} ->
Logger.warn "MediaProxy: request failed, status #{status}, link: #{link}"
{:error, {:http, :bad_status, link}}
|> send_resp(code, body)
end
+ defp proxy_request_body(client), do: proxy_request_body(client, <<>>)
+ defp proxy_request_body(client, body) when byte_size(body) < @max_body_length do
+ case :hackney.stream_body(client) do
+ {:ok, data} -> proxy_request_body(client, <<body :: binary, data :: binary>>)
+ :done -> {:ok, body}
+ {:error, reason} -> {:error, reason}
+ end
+ end
+ defp proxy_request_body(client, _) do
+ :hackney.close(client)
+ {:error, :body_too_large}
+ end
+
+ # TODO: the body is passed here as well because some hosts do not provide a content-type.
+ # At some point we may want to use magic numbers to discover the content-type and reply a proper one.
+ defp proxy_request_content_type(headers, _body) do
+ headers["Content-Type"] || headers["content-type"] || "image/jpeg"
+ end
+
end