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phoenix

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Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.

Security advisory: This version has known vulnerabilities. View advisories
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phoenix lib phoenix plugs accepts.ex
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lib/phoenix/plugs/accepts.ex 

defmodule Phoenix.Plugs.Accepts do

  import Phoenix.Controller.Connection

  import Plug.Conn

  alias Plug.MIME



  @moduledoc """

  Plug to handle which Accept headers a Plug stack accepts.

  Unaccepted mime-types will return a 400 Bad Request response



  ## Examples



      plug Phoenix.Plugs.Accepts, ["html", "json"]



  """



  def init(opts), do: opts



  def call(conn, extensions) do

    primary_accept_extension = MIME.extensions(response_content_type!(conn)) |> hd



    if primary_accept_extension in extensions do

      conn

    else

      conn |> send_resp(400, "Bad Request") |> halt

    end

  end

end