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Contents
# frozen_string_literal: true
require 'proxy_rb/password_fetchers/basic_password_fetcher'
module ProxyRb
# Fetch password for user...
module PasswordFetchers
# ... process environment
class ChainingPasswordFetcher < BasicPasswordFetcher
include Contracts::Core
include Contracts::Builtin
protected
attr_reader :fetchers
public
# Prefix of key in Environment
def initialize(fetchers)
@fetchers = Array(fetchers)
end
# @param [String] user_name
# Look up user name
Contract String => String
def call(user_name)
fetch_password_for_user(user_name)
end
private
def fetch_password_for_user(user_name)
result = nil
fetchers.each do |f|
begin
result = f.call(user_name)
rescue ArgumentError
result = nil
end
break unless result.nil?
end
raise ArgumentError, %(Failed to fetch password for username "#{user_name}") if result.nil?
result
end
# Not needed for this fetcher
def read(_string); end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems