#!/usr/bin/env ruby

#
#   Copyright 2012 Wade Alcorn wade@bindshell.net
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

# stop deprecation warning from being displayed
$VERBOSE = nil

# @note Version check to ensure BeEF is running Ruby 1.9 >
if  RUBY_VERSION < '1.9'
  puts "\n"
  puts "Ruby version " + RUBY_VERSION + " is no longer supported. Please upgrade 1.9 or later."
  puts "OSX:"
  puts "See Readme"
  puts "\n"
  exit
end

$:.unshift(File.join(File.expand_path(File.dirname(__FILE__)), '.'))
$root_dir = File.expand_path('..', __FILE__)

# @note Prevent some errors on encoding: encoding handling changed (improved) from 1.8.7 to 1.9.1/2.
if RUBY_VERSION =~ /1.9/
  Encoding.default_external = Encoding::UTF_8
  Encoding.default_internal = Encoding::UTF_8
end

# @note Require core loader's
require 'core/loader'

# @note Starts configuration system
config = BeEF::Core::Configuration.instance

# @note Loads enabled extensions
BeEF::Extensions.load

# @note Prints BeEF welcome message
#BeEF::Extension::Console::Banners.print_ascii_art
BeEF::Extension::Console::Banners.print_welcome_msg

# @note Loads enabled modules
BeEF::Modules.load

# @note Disable reverse dns
Socket.do_not_reverse_lookup = true

# @note Database setup - use DataMapper::Logger.new($stdout, :debug) for development debugging
case config.get("beef.database.driver")
  when "sqlite"
    DataMapper.setup(:default, "sqlite3://#{$root_dir}/#{config.get("beef.database.db_file")}")
  when "mysql","postgres"
    DataMapper.setup(:default,
                     :adapter => config.get("beef.database.driver"),
                     :host => config.get("beef.database.db_host"),
                     :username => config.get("beef.database.db_user"),
                     :password => config.get("beef.database.db_passwd"),
                     :database => config.get("beef.database.db_name"),
                     :encoding => config.get("beef.database.db_encoding")
    )
  else
    print_error 'No default database selected. Please add one in config.yaml'
end

# @note Resets the database if the -x flag was passed
# @todo Change reference from Extension::Console to Core::Console once the console extension is merged with the core
if BeEF::Extension::Console.resetdb?
  print_info 'Resetting the database for BeEF.'
  DataMapper.auto_migrate!
else
  DataMapper.auto_upgrade!
end

# @note Extensions may take a moment to load, thus we print out a please wait message
print_info 'BeEF is loading. Wait a few seconds...'

# @note Execute migration procedure, checks for new modules
BeEF::Core::Migration.instance.update_db!

# @note Create HTTP Server and prepare it to run
http_hook_server = BeEF::Core::Server.instance
http_hook_server.prepare

# @note Prints information back to the user before running the server
BeEF::Extension::Console::Banners.print_loaded_extensions
BeEF::Extension::Console::Banners.print_loaded_modules
BeEF::Extension::Console::Banners.print_network_interfaces_count
BeEF::Extension::Console::Banners.print_network_interfaces_routes

# @note Call the API method 'pre_http_start'
BeEF::API::Registrar.instance.fire(BeEF::API::Server, 'pre_http_start', http_hook_server)

# @note Start the HTTP Server, we additionally check whether we load the Console Shell or not
if config.get("beef.extension.console.shell.enable") == true
  require 'extensions/console/shell'
  puts ""
  begin
    FileUtils.mkdir_p(File.expand_path(config.get("beef.extension.console.shell.historyfolder")))
    BeEF::Extension::Console::Shell.new(BeEF::Extension::Console::Shell::DefaultPrompt,
                                        BeEF::Extension::Console::Shell::DefaultPromptChar,{'config' => config, 'http_hook_server' => http_hook_server}).run
  rescue Interrupt
  end
else
  print_info 'BeEF server started (press control+c to stop)'
  http_hook_server.start
end