pleroma/lib/mix/tasks/pleroma/instance.ex

214 lines
6.4 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Instance do
use Mix.Task
alias Mix.Tasks.Pleroma.Common
@shortdoc "Manages Pleroma instance"
@moduledoc """
Manages Pleroma instance.
## Generate a new instance config.
mix pleroma.instance gen [OPTION...]
If any options are left unspecified, you will be prompted interactively
## Options
- `-f`, `--force` - overwrite any output files
- `-o PATH`, `--output PATH` - the output file for the generated configuration
- `--output-psql PATH` - the output file for the generated PostgreSQL setup
- `--domain DOMAIN` - the domain of your instance
- `--instance-name INSTANCE_NAME` - the name of your instance
- `--admin-email ADMIN_EMAIL` - the email address of the instance admin
- `--notify-email NOTIFY_EMAIL` - email address for notifications
- `--dbhost HOSTNAME` - the hostname of the PostgreSQL database to use
- `--dbname DBNAME` - the name of the database to use
- `--dbuser DBUSER` - the user (aka role) to use for the database connection
- `--dbpass DBPASS` - the password to use for the database connection
- `--indexable Y/N` - Allow/disallow indexing site by search engines
"""
def run(["gen" | rest]) do
{options, [], []} =
OptionParser.parse(
rest,
strict: [
force: :boolean,
output: :string,
output_psql: :string,
domain: :string,
instance_name: :string,
admin_email: :string,
notify_email: :string,
dbhost: :string,
dbname: :string,
dbuser: :string,
dbpass: :string,
indexable: :string
],
aliases: [
o: :output,
f: :force
]
)
paths =
[config_path, psql_path] = [
Keyword.get(options, :output, "config/generated_config.exs"),
Keyword.get(options, :output_psql, "config/setup_db.psql")
]
will_overwrite = Enum.filter(paths, &File.exists?/1)
proceed? = Enum.empty?(will_overwrite) or Keyword.get(options, :force, false)
if proceed? do
[domain, port | _] =
String.split(
Common.get_option(
options,
:domain,
"What domain will your instance use? (e.g pleroma.soykaf.com)"
),
":"
) ++ [443]
name =
Common.get_option(
options,
:instance_name,
"What is the name of your instance? (e.g. Pleroma/Soykaf)"
)
email = Common.get_option(options, :admin_email, "What is your admin email address?")
notify_email =
Common.get_option(
options,
:notify_email,
"What email address do you want to use for sending email notifications?",
email
)
indexable =
Common.get_option(
options,
:indexable,
"Do you want search engines to index your site? (y/n)",
"y"
) === "y"
dbhost =
Common.get_option(options, :dbhost, "What is the hostname of your database?", "localhost")
dbname =
Common.get_option(options, :dbname, "What is the name of your database?", "pleroma_dev")
dbuser =
Common.get_option(
options,
:dbuser,
"What is the user used to connect to your database?",
"pleroma"
)
dbpass =
Common.get_option(
options,
:dbpass,
"What is the password used to connect to your database?",
:crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64),
"autogenerated"
)
secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
signing_salt = :crypto.strong_rand_bytes(8) |> Base.encode64() |> binary_part(0, 8)
{web_push_public_key, web_push_private_key} = :crypto.generate_key(:ecdh, :prime256v1)
result_config =
EEx.eval_file(
"sample_config.eex" |> Path.expand(__DIR__),
domain: domain,
port: port,
email: email,
notify_email: notify_email,
name: name,
dbhost: dbhost,
dbname: dbname,
dbuser: dbuser,
dbpass: dbpass,
version: Pleroma.Mixfile.project() |> Keyword.get(:version),
secret: secret,
signing_salt: signing_salt,
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)
)
result_psql =
EEx.eval_file(
"sample_psql.eex" |> Path.expand(__DIR__),
dbname: dbname,
dbuser: dbuser,
dbpass: dbpass
)
Mix.shell().info(
"Writing config to #{config_path}. You should rename it to config/prod.secret.exs or config/dev.secret.exs."
)
File.write(config_path, result_config)
Mix.shell().info("Writing #{psql_path}.")
File.write(psql_path, result_psql)
write_robots_txt(indexable)
Mix.shell().info(
"\n" <>
"""
To get started:
1. Verify the contents of the generated files.
2. Run `sudo -u postgres psql -f #{Common.escape_sh_path(psql_path)}`.
""" <>
if config_path in ["config/dev.secret.exs", "config/prod.secret.exs"] do
""
else
"3. Run `mv #{Common.escape_sh_path(config_path)} 'config/prod.secret.exs'`."
end
)
else
Mix.shell().error(
"The task would have overwritten the following files:\n" <>
(Enum.map(paths, &"- #{&1}\n") |> Enum.join("")) <>
"Rerun with `--force` to overwrite them."
)
end
end
defp write_robots_txt(indexable) do
robots_txt =
EEx.eval_file(
Path.expand("robots_txt.eex", __DIR__),
indexable: indexable
)
static_dir = Pleroma.Config.get([:instance, :static_dir], "instance/static/")
unless File.exists?(static_dir) do
File.mkdir_p!(static_dir)
end
robots_txt_path = Path.join(static_dir, "robots.txt")
if File.exists?(robots_txt_path) do
File.cp!(robots_txt_path, "#{robots_txt_path}.bak")
Mix.shell().info("Backing up existing robots.txt to #{robots_txt_path}.bak")
end
File.write(robots_txt_path, robots_txt)
Mix.shell().info("Writing #{robots_txt_path}.")
end
end