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Add a task to generate web_push key pairs

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
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Thomas Citharel 2021-06-26 16:07:21 +02:00
parent 784c607c65
commit 0ca6997f7f
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lib/mix/tasks/mobilizon/web_push.ex Normal file
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defmodule Mix.Tasks.Mobilizon.WebPush.Gen.Keypair do
@moduledoc """
Task to generate WebPush configuration
Taken from https://github.com/danhper/elixir-web-push-encryption/blob/8fd0f71f3222b466d389f559be9800c49f9bb641/lib/mix/tasks/web_push_gen_keypair.ex
"""
use Mix.Task
import Mix.Tasks.Mobilizon.Common, only: [mix_shell?: 0]
@shortdoc "Manages Mobilizon users"
@impl Mix.Task
def run(_) do
{public, private} = :crypto.generate_key(:ecdh, :prime256v1)
IO.puts("# Put the following in your #{file_name()} config file:")
IO.puts("")
IO.puts("config :web_push_encryption, :vapid_details,")
IO.puts(" subject: \"mailto:administrator@example.com\",")
IO.puts(" public_key: \"#{ub64(public)}\",")
IO.puts(" private_key: \"#{ub64(private)}\"")
IO.puts("")
end
defp ub64(value) do
Base.url_encode64(value, padding: false)
end
defp file_name do
if mix_shell?(), do: "runtime.exs", else: "config.exs"
end
end