#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author: w8ay
# @Date:   2017年12月17日 19:21:35

import argparse
import inspect
import os
import sys
from distutils.version import LooseVersion

from lib.core.common import (
    Banner, createIssueForBlog, getUnicode, setPaths, systemQuit, weAreFrozen)
from lib.core.data import logger, paths
from lib.core.engine import pluginScan, webScan
from lib.core.enums import EXIT_STATUS
from lib.core.exception import (ToolkitMissingPrivileges,
                                ToolkitPluginException, ToolkitSystemException,
                                ToolkitUserQuitException)
from lib.core.option import initOption
from lib.core.settings import IS_WIN, VERSION
from lib.utils.configfile import configFileParser
from thirdparty.colorama.initialise import init as winowsColorInit

sys.dont_write_bytecode = True  # 不生成pyc文件
try:
    # this has to be the first non-standard import
    __import__("lib.utils.versioncheck")
except ImportError:
    exit("[!] wrong installation detected (missing modules). Please install python version for 2.7.x")


def modulePath():
    """
    This will get us the program's directory, even if we are frozen
    using py2exe
    """

    try:
        _ = sys.executable if weAreFrozen() else __file__
    except NameError:
        _ = inspect.getsourcefile(modulePath)

    return getUnicode(os.path.dirname(os.path.realpath(_)), encoding=sys.getfilesystemencoding())


def checkEnvironment():
    try:
        os.path.isdir(modulePath())
    except UnicodeEncodeError:
        errMsg = "your system does not properly handle non-ASCII paths. "
        errMsg += "Please move the w9scan's directory to the other location"
        logger.critical(errMsg)
        raise SystemExit

    if LooseVersion(VERSION) < LooseVersion("1.0"):
        errMsg = "your runtime environment (e.g. PYTHONPATH) is "
        errMsg += "broken. Please make sure that you are not running "
        errMsg += "newer versions of w9scan with runtime scripts for older "
        errMsg += "versions"
        logger.critical(errMsg)
        raise SystemExit


def main():
    """
    Main function of w9scan when running from command line.
    """
    checkEnvironment()  # 检测环境
    setPaths(modulePath())  # 为一些目录和文件设置了绝对路径

    parser = argparse.ArgumentParser(description="w9scan scanner")
    parser.add_argument("--update", help="update w9scan", action="store_true")
    parser.add_argument("--guide", help="w9scan to guide", action="store_true")
    parser.add_argument(
        "--banner", help="output the banner", action="store_true")
    parser.add_argument("-u", help="url")
    parser.add_argument("-p", "--plugin", help="plugins")
    parser.add_argument("-s", "--search", help="find infomation of plugin")
    parser.add_argument("--debug", help="output debug info",
                        action="store_true", default=False)
    args = parser.parse_args()

    if IS_WIN:
        winowsColorInit()
    Banner()

    try:
        configFileParser(os.path.join(paths.w9scan_ROOT_PATH, "config.conf"))
        initOption(args)
        pluginScan()
        webScan()

    except ToolkitMissingPrivileges, e:
        logger.error(e)
        systemQuit(EXIT_STATUS.ERROR_EXIT)

    except ToolkitSystemException, e:
        logger.error(e)
        systemQuit(EXIT_STATUS.ERROR_EXIT)

    except ToolkitUserQuitException:
        systemQuit(EXIT_STATUS.USER_QUIT)

    except ToolkitPluginException, e:
        createIssueForBlog(e)
        logger.warning(
            'It seems like you reached a unhandled exception, We have automatically uploaded the exception information, please wait for a later update.')

    except KeyboardInterrupt:
        systemQuit(EXIT_STATUS.USER_QUIT)

    except Exception as info:
        logger.warning("error:%s " % (str(Exception) + " " + str(info)))
        logger.warning('It seems like you reached a unhandled exception, please report it to author\'s mail:<master@hacking8.com> or raise a issue via:<https://github.com/boy-hacl/w9scan/issues/new>.')


if __name__ == '__main__':
    main()