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# frozen_string_literal: true
require "rails/generators/base"
require "pathname"
require "active_support/encrypted_file"
module Rails
module Generators
class MasterKeyGenerator < Base
MASTER_KEY_PATH = Pathname.new("config/master.key")
def add_master_key_file
unless MASTER_KEY_PATH.exist?
key = ActiveSupport::EncryptedFile.generate_key
log "Adding #{MASTER_KEY_PATH} to store the master encryption key: #{key}"
log ""
log "Save this in a password manager your team can access."
log ""
log "If you lose the key, no one, including you, can access anything encrypted with it."
log ""
create_file MASTER_KEY_PATH, key
log ""
ignore_master_key_file
end
end
private
def ignore_master_key_file
if File.exist?(".gitignore")
unless File.read(".gitignore").include?(key_ignore)
log "Ignoring #{MASTER_KEY_PATH} so it won't end up in Git history:"
log ""
append_to_file ".gitignore", key_ignore
log ""
end
else
log "IMPORTANT: Don't commit #{MASTER_KEY_PATH}. Add this to your ignore file:"
log key_ignore, :on_green
log ""
end
end
def key_ignore
[ "", "# Ignore master key for decrypting credentials and more.", "/#{MASTER_KEY_PATH}", "" ].join("\n")
end
end
end
end
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