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Adds Erlang Text Format (ETF) plug parser

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PlugEtf

This library adds support of Erlang Text Format (ETF) requests and responses to Plug.

In short, it uses :erlang.term_to_binary/1 and :erlang.binary_to_term/1 to encode/decode params.

Installation

If available in Hex, the package can be installed by adding plug_etf to your list of dependencies in mix.exs:

def deps do
  [
    {:plug_etf, "~> 0.1.0"}
  ]
end

Usage

Add Plug.Parsers.ETF plug to parse ETF request params:

plug Plug.Parsers,
  parsers: [:etf],
  pass: ["application/x-erlang-binary"]

To send ETF body responses:

import PlugEtf

get "/" do
  send_etf(conn, 200, %{"data" => 1})
end

Do not use it in unsafe environments, when you don't control client side. Calling :erlang.binary_to_term() with atoms may lead to vm crashes.

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