# vi: encoding=utf-8 ts=8 sts=4 sw=4 et

import Cookie, time, md5

UserNotLoggedIn="UserNotLoggedIn"

class User:
    def __init__(self, cookies, options):
        self.loggedin=False
	if (cookies.has_key('ftpsessid') and
          self.checksession(cookies['ftpsessid'])):
            self.loggedin=True

        if options.has_key('action'):
            if options['action'] == 'register':
                self.checkloginpass(options)
            elif options['action'] == 'logout':
                self.logout()

    def checkloginpass(self, options):
        if not options.has_key('login') or not options.has_key('pass'):
            return
        f=open('../../passwd', 'r')
        for line in f.readlines():
            list=line.strip().split(':')
            if (list[0]==options['login'] and
              list[1]==md5.new(options['pass']).hexdigest()):
                self.loggedin=True
                self.login=list[0]
                C = Cookie.SimpleCookie()
                cookiestring=md5.new(list[0]+`time.time()`).hexdigest()
                C['ftpsessid']=cookiestring
                #C['ftpsessid']['expires']=time.strftime(
                                            #"%a, %d-%b-%y %H:%M:%S GMT",
                                            #time.gmtime(time.time()+86400))
                print C
                break
        f.close()
        if self.loggedin:
            cookies=self.loadcookies()
            cookies[cookiestring]=options['login']
            self.writecookies(cookies)
    
    def checksession(self, ftpsessid):
        cookies=self.loadcookies()
        if cookies.has_key(ftpsessid):
            self.login=cookies[ftpsessid]
            self.ftpsessid=ftpsessid
            return True

    def loadcookies(self):
        f=open('../../cookies', 'r')
        cookies={}
        for line in f.readlines():
            list=line.strip().split(':')
            cookies[list[0]]=list[1]
        f.close()
        return cookies

    def writecookies(self, cookies):
        f=open('../../cookies', 'w+')
        for key in cookies.keys():
            f.write("%s:%s\n" % (key, cookies[key]))
        f.close()

    def logout(self):
        if self.loggedin:
            cookies=self.loadcookies()
            if cookies.has_key(self.ftpsessid):
                del cookies[self.ftpsessid]
                self.writecookies(cookies)

            self.loggedin=False

            C = Cookie.SimpleCookie()
            C['ftpsessid']=''
            C['ftpsessid']['expires']=time.strftime("%a, %d-%b-%y %H:%M:%S GMT",
                                        time.gmtime(time.time()-31536000))
            print C