defmodule Mix.Tasks.GenerateConfig do use Mix.Task @moduledoc """ Generate a new config ## Usage ``mix generate_config`` This mix task is interactive, and will overwrite the config present at ``config/generated_config.exs``. """ def run(_) do IO.puts("Answer a few questions to generate a new config\n") IO.puts("--- THIS WILL OVERWRITE YOUR config/generated_config.exs! ---\n") domain = IO.gets("What is your domain name? (e.g. pleroma.soykaf.com): ") |> String.trim() name = IO.gets("What is the name of your instance? (e.g. Pleroma/Soykaf): ") |> String.trim() email = IO.gets("What's your admin email address: ") |> String.trim() secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64) dbpass = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64) resultSql = EEx.eval_file("lib/mix/tasks/sample_psql.eex", dbpass: dbpass) {web_push_public_key, web_push_private_key} = :crypto.generate_key(:ecdh, :prime256v1) result = EEx.eval_file( "lib/mix/tasks/sample_config.eex", domain: domain, email: email, name: name, secret: secret, dbpass: dbpass, web_push_public_key: Base.url_encode64(web_push_public_key, padding: false), web_push_private_key: Base.url_encode64(web_push_private_key, padding: false) ) IO.puts( "\nWriting config to config/generated_config.exs.\n\nCheck it and configure your database, then copy it to either config/dev.secret.exs or config/prod.secret.exs" ) File.write("config/generated_config.exs", result) IO.puts( "\nWriting setup_db.psql, please run it as postgre superuser, i.e.: sudo su postgres -c 'psql -f config/setup_db.psql'" ) File.write("config/setup_db.psql", resultSql) end end