namespace :secret do

desc 'Replace the secure secret key in your settings for the current environment'

task :replace do

files = Settings.instance_variable_get('@config_sources').map(&:path).

select { |p| p.include?('settings') || p.include?('environments') }.

select { |p| File.exist?(p) }.

reverse

pattern = /^ *(secret_token: *["']?)[0-9a-fA-F]+(["']?)$/

new_secret = SecureRandom.hex(64)

puts "Replacing the secret token for the #{Rails.env} environment in #{files.join(', ')}"

files.each do |filepath|

content = File.read(filepath)

if content.gsub!(pattern, "\\1#{new_secret}\\2")

# write the new configuration

File.open(filepath, 'w') {|f| f.write(content) }

puts "Secret token succesfully replaced in #{filepath}"

break

else

STDERR.puts "Secret token not found in #{filepath}"

end

end

end

end