359 lines
10 KiB
Elixir
359 lines
10 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mix.Tasks.Pleroma.Instance do
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use Mix.Task
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import Mix.Pleroma
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alias Pleroma.Config
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@shortdoc "Manages Pleroma instance"
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@moduledoc File.read!("docs/docs/administration/CLI_tasks/instance.md")
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def run(["gen" | rest]) do
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{options, [], []} =
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OptionParser.parse(
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rest,
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strict: [
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force: :boolean,
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output: :string,
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output_psql: :string,
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domain: :string,
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instance_name: :string,
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admin_email: :string,
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notify_email: :string,
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languages: :string,
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dbhost: :string,
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dbname: :string,
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dbuser: :string,
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dbpass: :string,
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rum: :string,
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pgroonga: :string,
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indexable: :string,
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db_configurable: :string,
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uploads_dir: :string,
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static_dir: :string,
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listen_ip: :string,
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listen_port: :string,
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strip_uploads: :string,
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anonymize_uploads: :string,
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dedupe_uploads: :string
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],
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aliases: [
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o: :output,
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f: :force
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]
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)
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paths =
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[config_path, psql_path] = [
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Keyword.get(options, :output, "config/generated_config.exs"),
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Keyword.get(options, :output_psql, "config/setup_db.psql")
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]
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will_overwrite = Enum.filter(paths, &File.exists?/1)
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proceed? = Enum.empty?(will_overwrite) or Keyword.get(options, :force, false)
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if proceed? do
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[domain, port | _] =
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String.split(
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get_option(
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options,
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:domain,
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"What domain will your instance use? (e.g akkoma.example.com)"
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),
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":"
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) ++ [443]
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name =
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get_option(
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options,
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:instance_name,
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"What is the name of your instance? (e.g. The Corndog Emporium)",
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domain
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)
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email = get_option(options, :admin_email, "What is your admin email address?")
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notify_email =
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get_option(
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options,
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:notify_email,
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"What email address do you want to use for sending email notifications?",
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email
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)
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languages =
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get_option(
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options,
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:languages,
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"Which languages do you want to support in your instance? (comma separated)",
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"en"
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)
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indexable =
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get_option(
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options,
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:indexable,
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"Do you want search engines to index your site? (y/n)",
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"y"
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) === "y"
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db_configurable? =
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get_option(
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options,
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:db_configurable,
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"Do you want to store the configuration in the database (allows controlling it from admin-fe)? (y/n)",
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"n"
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) === "y"
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dbhost = get_option(options, :dbhost, "What is the hostname of your database?", "localhost")
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dbname = get_option(options, :dbname, "What is the name of your database?", "akkoma")
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dbuser =
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get_option(
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options,
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:dbuser,
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"What is the user used to connect to your database?",
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"akkoma"
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)
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dbpass =
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get_option(
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options,
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:dbpass,
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"What is the password used to connect to your database?",
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:crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64),
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"autogenerated"
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)
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rum_enabled =
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get_option(
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options,
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:rum,
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"Would you like to use RUM indices?",
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"n"
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) === "y"
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pgroonga_enabled =
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if rum_enabled do
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false
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else
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get_option(
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options,
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:pgroonga,
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"Would you like to use PGroonga to index and search?",
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"n"
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) === "y"
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end
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listen_port =
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get_option(
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options,
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:listen_port,
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"What port will the app listen to (leave it if you are using the default setup with nginx)?",
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4000
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)
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listen_ip =
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get_option(
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options,
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:listen_ip,
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"What ip will the app listen to (leave it if you are using the default setup with nginx)?",
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"127.0.0.1"
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)
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uploads_dir =
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get_option(
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options,
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:uploads_dir,
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"What directory should media uploads go in (when using the local uploader)?",
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Config.get([Pleroma.Uploaders.Local, :uploads])
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)
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|> Path.expand()
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static_dir =
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get_option(
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options,
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:static_dir,
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"What directory should custom public files be read from (custom emojis, frontend bundle overrides, robots.txt, etc.)?",
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Config.get([:instance, :static_dir])
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)
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|> Path.expand()
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{strip_uploads_message, strip_uploads_default} =
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if Pleroma.Utils.command_available?("exiftool") do
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{"Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as installed. (y/n)",
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"y"}
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else
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{"Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as not installed, please install it if you answer yes. (y/n)",
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"n"}
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end
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strip_uploads =
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get_option(
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options,
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:strip_uploads,
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strip_uploads_message,
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strip_uploads_default
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) === "y"
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anonymize_uploads =
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get_option(
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options,
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:anonymize_uploads,
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"Do you want to anonymize the filenames of uploads? (y/n)",
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"n"
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) === "y"
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dedupe_uploads =
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get_option(
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options,
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:dedupe_uploads,
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"Do you want to deduplicate uploaded files? (y/n)",
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"n"
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) === "y"
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Config.put([:instance, :static_dir], static_dir)
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secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
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jwt_secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
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signing_salt = :crypto.strong_rand_bytes(8) |> Base.encode64() |> binary_part(0, 8)
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lv_signing_salt = :crypto.strong_rand_bytes(8) |> Base.encode64() |> binary_part(0, 8)
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{web_push_public_key, web_push_private_key} = :crypto.generate_key(:ecdh, :prime256v1)
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template_dir = Application.app_dir(:pleroma, "priv") <> "/templates"
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result_config =
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EEx.eval_file(
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template_dir <> "/sample_config.eex",
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domain: domain,
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port: port,
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email: email,
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notify_email: notify_email,
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languages:
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languages
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|> String.split(",", trim: true)
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|> Enum.map(fn lang -> String.trim(lang) end),
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name: name,
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dbhost: dbhost,
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dbname: dbname,
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dbuser: dbuser,
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dbpass: dbpass,
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secret: secret,
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jwt_secret: jwt_secret,
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signing_salt: signing_salt,
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lv_signing_salt: lv_signing_salt,
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web_push_public_key: Base.url_encode64(web_push_public_key, padding: false),
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web_push_private_key: Base.url_encode64(web_push_private_key, padding: false),
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db_configurable?: db_configurable?,
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static_dir: static_dir,
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uploads_dir: uploads_dir,
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rum_enabled: rum_enabled,
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pgroonga_enabled: pgroonga_enabled,
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listen_ip: listen_ip,
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listen_port: listen_port,
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upload_filters:
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upload_filters(%{
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strip: strip_uploads,
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anonymize: anonymize_uploads,
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dedupe: dedupe_uploads
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})
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)
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result_psql =
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EEx.eval_file(
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template_dir <> "/sample_psql.eex",
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dbname: dbname,
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dbuser: dbuser,
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dbpass: dbpass,
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rum_enabled: rum_enabled,
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pgroonga_enabled: pgroonga_enabled
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)
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config_dir = Path.dirname(config_path)
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psql_dir = Path.dirname(psql_path)
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# Note: Distros requiring group read (0o750) on those directories should
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# pre-create the directories.
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to_create =
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[config_dir, psql_dir, static_dir, uploads_dir]
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|> Enum.reject(&File.exists?/1)
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for dir <- to_create do
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File.mkdir_p!(dir)
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File.chmod!(dir, 0o700)
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end
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shell_info("Writing config to #{config_path}.")
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# Sadly no fchmod(2) equivalent in Elixir…
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File.touch!(config_path)
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File.chmod!(config_path, 0o640)
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File.write(config_path, result_config)
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shell_info("Writing the postgres script to #{psql_path}.")
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File.write(psql_path, result_psql)
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write_robots_txt(static_dir, indexable, template_dir)
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shell_info(
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"\n All files successfully written! Refer to the installation instructions for your platform for next steps."
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)
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if db_configurable? do
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shell_info(
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" Please transfer your config to the database after running database migrations. Refer to \"Transfering the config to/from the database\" section of the docs for more information."
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)
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end
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else
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shell_error(
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"The task would have overwritten the following files:\n" <>
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Enum.map_join(will_overwrite, &"- #{&1}\n") <> "Rerun with `--force` to overwrite them."
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)
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end
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end
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defp write_robots_txt(static_dir, indexable, template_dir) do
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robots_txt =
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EEx.eval_file(
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template_dir <> "/robots_txt.eex",
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indexable: indexable
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)
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robots_txt_path = Path.join(static_dir, "robots.txt")
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if File.exists?(robots_txt_path) do
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File.cp!(robots_txt_path, "#{robots_txt_path}.bak")
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shell_info("Backing up existing robots.txt to #{robots_txt_path}.bak")
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end
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File.write(robots_txt_path, robots_txt)
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shell_info("Writing #{robots_txt_path}.")
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end
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defp upload_filters(filters) when is_map(filters) do
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enabled_filters =
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if filters.strip do
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[Pleroma.Upload.Filter.Exiftool]
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else
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[]
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end
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enabled_filters =
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if filters.anonymize do
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enabled_filters ++ [Pleroma.Upload.Filter.AnonymizeFilename]
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else
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enabled_filters
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end
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enabled_filters =
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if filters.dedupe do
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enabled_filters ++ [Pleroma.Upload.Filter.Dedupe]
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else
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enabled_filters
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end
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enabled_filters
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end
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end
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