#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#-------------------------------------------------------------------------------
# Typo3 Enumerator - Automatic Typo3 Enumeration Tool
# Copyright (c) 2014-2017 Jan Rude
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see [http://www.gnu.org/licenses/](http://www.gnu.org/licenses/)
#-------------------------------------------------------------------------------

import re
import time
from lib.request import Request

class VersionInformation:
	"""
	This class will search for version information.
		The exact version can be found in the ChangeLog, therefore it will be requested first.
		Less specific version information can be found in the NEWS or INSTALL file. 
	"""
	def search_typo3_version(self, domain):
		files = {'/typo3_src/ChangeLog':'[Tt][Yy][Pp][Oo]3 (\d{1,2}\.\d{1,2}\.?[0-9]?[0-9]?)',  
				'/ChangeLog':'[Tt][Yy][Pp][Oo]3 (\d{1,2}\.\d{1,2}\.?[0-9]?[0-9]?)',
				'/typo3_src/NEWS.txt':'http://wiki.typo3.org/TYPO3_(\d{1,2}\.\d{1,2})', 
				'/typo3_src/NEWS.md':'[Tt][Yy][Pp][Oo]3 [Cc][Mm][Ss] (\d{1,2}\.\d{1,2}) - WHAT\'S NEW', 
				'/NEWS.txt':'http://wiki.typo3.org/TYPO3_(\d{1,2}\.\d{1,2})', 
				'/NEWS.md':'[Tt][Yy][Pp][Oo]3 [Cc][Mm][Ss] (\d{1,2}\.\d{1,2}) - WHAT\'S NEW',
				'/INSTALL.md':'[Tt][Yy][Pp][Oo]3 [Cc][Mm][Ss] (\d{1,2}(.\d{1,2})?)',
				'/INSTALL.md':'[Tt][Yy][Pp][Oo]3 v(\d{1})'
				}

		version = 'could not be determined'
		for path, regex in files.items():
			response = Request.version_information(domain.get_name(), path, regex)
			if not (response is None) and (len(response) > len(domain.get_typo3_version())):
				domain.set_typo3_version(response)
				return True

		domain.set_typo3_version(version)