#!/usr/bin/env python

"""
$Id$

Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""

import time

from lib.core.agent import agent
from lib.core.common import calculateDeltaSeconds
from lib.core.common import getDelayQuery
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.request import inject
from lib.request.connect import Connect as Request

def timeTest():
    infoMsg  = "testing time-based blind sql injection on parameter "
    infoMsg += "'%s' with %s condition syntax" % (kb.injParameter, conf.logic)
    logger.info(infoMsg)

    timeQuery = getDelayQuery(andCond=True)
    query     = agent.prefixQuery("AND %s" % timeQuery)
    query     = agent.postfixQuery(query)
    payload   = agent.payload(newValue=query)
    start     = time.time()
    _         = Request.queryPage(payload)
    duration  = calculateDeltaSeconds(start)

    if duration >= conf.timeSec:
        infoMsg  = "the target url is affected by a time-based blind "
        infoMsg += "sql injection with AND condition syntax on parameter "
        infoMsg += "'%s'" % kb.injParameter
        logger.info(infoMsg)

        kb.timeTest = payload
    else:
        warnMsg  = "the target url is not affected by a time-based blind "
        warnMsg += "sql injection with AND condition syntax on parameter "
        warnMsg += "'%s'" % kb.injParameter
        logger.warn(warnMsg)

        infoMsg  = "testing time-based blind sql injection on parameter "
        infoMsg += "'%s' with stacked queries syntax" % kb.injParameter
        logger.info(infoMsg)

        timeQuery  = getDelayQuery(andCond=True)
        start      = time.time()
        payload, _ = inject.goStacked(timeQuery)
        duration   = calculateDeltaSeconds(start)

        if duration >= conf.timeSec:
            infoMsg  = "the target url is affected by a time-based blind sql "
            infoMsg += "injection with stacked queries syntax on parameter "
            infoMsg += "'%s'" % kb.injParameter
            logger.info(infoMsg)

            kb.timeTest = payload
        else:
            warnMsg  = "the target url is not affected by a time-based blind "
            warnMsg += "sql injection with stacked queries syntax on parameter "
            warnMsg += "'%s'" % kb.injParameter
            logger.warn(warnMsg)

            kb.timeTest = False

    return kb.timeTest

def timeUse(query):
    start      = time.time()
    _, _       = inject.goStacked(query)
    duration   = calculateDeltaSeconds(start)

    return duration