mirror of
https://github.com/sqlmapproject/sqlmap.git
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255 lines
10 KiB
Python
255 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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from __future__ import division
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import os
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import re
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import tempfile
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import time
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from lib.core.common import checkSameHost
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from lib.core.common import clearConsoleLine
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from lib.core.common import dataToStdout
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from lib.core.common import extractRegexResult
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from lib.core.common import findPageForms
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from lib.core.common import getSafeExString
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from lib.core.common import openFile
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from lib.core.common import readInput
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from lib.core.common import safeCSValue
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from lib.core.common import urldecode
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from lib.core.compat import xrange
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from lib.core.convert import htmlUnescape
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.datatype import OrderedSet
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from lib.core.enums import HTTPMETHOD
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from lib.core.enums import MKSTEMP_PREFIX
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from lib.core.exception import SqlmapConnectionException
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from lib.core.exception import SqlmapSyntaxException
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from lib.core.settings import CRAWL_EXCLUDE_EXTENSIONS
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from lib.core.threads import getCurrentThreadData
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from lib.core.threads import runThreads
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from lib.parse.sitemap import parseSitemap
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from lib.request.connect import Connect as Request
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from thirdparty import six
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from thirdparty.beautifulsoup.beautifulsoup import BeautifulSoup
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from thirdparty.six.moves import http_client as _http_client
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from thirdparty.six.moves import urllib as _urllib
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def crawl(target):
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try:
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visited = set()
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threadData = getCurrentThreadData()
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threadData.shared.value = OrderedSet()
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threadData.shared.formsFound = False
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def crawlThread():
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threadData = getCurrentThreadData()
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while kb.threadContinue:
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with kb.locks.limit:
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if threadData.shared.unprocessed:
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current = threadData.shared.unprocessed.pop()
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if current in visited:
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continue
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elif conf.crawlExclude and re.search(conf.crawlExclude, current):
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dbgMsg = "skipping '%s'" % current
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logger.debug(dbgMsg)
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continue
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else:
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visited.add(current)
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else:
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break
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content = None
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try:
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if current:
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content = Request.getPage(url=current, crawling=True, raise404=False)[0]
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except SqlmapConnectionException as ex:
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errMsg = "connection exception detected ('%s'). skipping " % getSafeExString(ex)
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errMsg += "URL '%s'" % current
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logger.critical(errMsg)
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except SqlmapSyntaxException:
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errMsg = "invalid URL detected. skipping '%s'" % current
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logger.critical(errMsg)
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except _http_client.InvalidURL as ex:
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errMsg = "invalid URL detected ('%s'). skipping " % getSafeExString(ex)
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errMsg += "URL '%s'" % current
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logger.critical(errMsg)
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if not kb.threadContinue:
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break
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if isinstance(content, six.text_type):
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try:
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match = re.search(r"(?si)<html[^>]*>(.+)</html>", content)
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if match:
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content = "<html>%s</html>" % match.group(1)
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soup = BeautifulSoup(content)
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tags = soup('a')
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tags += re.finditer(r'(?i)\s(href|src)=["\'](?P<href>[^>"\']+)', content)
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for tag in tags:
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href = tag.get("href") if hasattr(tag, "get") else tag.group("href")
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if href:
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if threadData.lastRedirectURL and threadData.lastRedirectURL[0] == threadData.lastRequestUID:
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current = threadData.lastRedirectURL[1]
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url = _urllib.parse.urljoin(current, htmlUnescape(href))
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# flag to know if we are dealing with the same target host
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_ = checkSameHost(url, target)
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if conf.scope:
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if not re.search(conf.scope, url, re.I):
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continue
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elif not _:
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continue
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if (extractRegexResult(r"\A[^?]+\.(?P<result>\w+)(\?|\Z)", url) or "").lower() not in CRAWL_EXCLUDE_EXTENSIONS:
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with kb.locks.value:
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threadData.shared.deeper.add(url)
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if re.search(r"(.*?)\?(.+)", url) and not re.search(r"\?(v=)?\d+\Z", url) and not re.search(r"(?i)\.(js|css)(\?|\Z)", url):
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threadData.shared.value.add(url)
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except UnicodeEncodeError: # for non-HTML files
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pass
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except ValueError: # for non-valid links
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pass
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finally:
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if conf.forms:
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threadData.shared.formsFound |= len(findPageForms(content, current, False, True)) > 0
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if conf.verbose in (1, 2):
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threadData.shared.count += 1
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status = '%d/%d links visited (%d%%)' % (threadData.shared.count, threadData.shared.length, round(100.0 * threadData.shared.count / threadData.shared.length))
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dataToStdout("\r[%s] [INFO] %s" % (time.strftime("%X"), status), True)
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threadData.shared.deeper = set()
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threadData.shared.unprocessed = set([target])
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if kb.checkSitemap is None:
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message = "do you want to check for the existence of "
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message += "site's sitemap(.xml) [y/N] "
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kb.checkSitemap = readInput(message, default='N', boolean=True)
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if kb.checkSitemap:
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found = True
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items = None
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url = _urllib.parse.urljoin(target, "/sitemap.xml")
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try:
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items = parseSitemap(url)
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except SqlmapConnectionException as ex:
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if "page not found" in getSafeExString(ex):
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found = False
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logger.warn("'sitemap.xml' not found")
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except:
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pass
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finally:
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if found:
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if items:
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for item in items:
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if re.search(r"(.*?)\?(.+)", item):
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threadData.shared.value.add(item)
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if conf.crawlDepth > 1:
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threadData.shared.unprocessed.update(items)
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logger.info("%s links found" % ("no" if not items else len(items)))
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if not conf.bulkFile:
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infoMsg = "starting crawler for target URL '%s'" % target
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logger.info(infoMsg)
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for i in xrange(conf.crawlDepth):
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threadData.shared.count = 0
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threadData.shared.length = len(threadData.shared.unprocessed)
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numThreads = min(conf.threads, len(threadData.shared.unprocessed))
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if not conf.bulkFile:
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logger.info("searching for links with depth %d" % (i + 1))
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runThreads(numThreads, crawlThread, threadChoice=(i > 0))
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clearConsoleLine(True)
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if threadData.shared.deeper:
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threadData.shared.unprocessed = set(threadData.shared.deeper)
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else:
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break
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except KeyboardInterrupt:
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warnMsg = "user aborted during crawling. sqlmap "
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warnMsg += "will use partial list"
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logger.warn(warnMsg)
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finally:
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clearConsoleLine(True)
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if not threadData.shared.value:
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if not (conf.forms and threadData.shared.formsFound):
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warnMsg = "no usable links found (with GET parameters)"
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if conf.forms:
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warnMsg += " or forms"
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logger.warn(warnMsg)
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else:
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for url in threadData.shared.value:
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kb.targets.add((urldecode(url, kb.pageEncoding), None, None, None, None))
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if kb.targets:
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if kb.normalizeCrawlingChoice is None:
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message = "do you want to normalize "
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message += "crawling results [Y/n] "
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kb.normalizeCrawlingChoice = readInput(message, default='Y', boolean=True)
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if kb.normalizeCrawlingChoice:
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seen = set()
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results = OrderedSet()
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for target in kb.targets:
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if target[1] in (HTTPMETHOD.GET, None):
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match = re.search(r"/[^/?]*\?.*\Z", target[0])
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if match:
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key = re.sub(r"=[^=&]*", "=", match.group(0))
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if key not in seen:
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results.add(target)
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seen.add(key)
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else:
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results.add(target)
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kb.targets = results
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storeResultsToFile(kb.targets)
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def storeResultsToFile(results):
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if not results:
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return
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if kb.storeCrawlingChoice is None:
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message = "do you want to store crawling results to a temporary file "
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message += "for eventual further processing with other tools [y/N] "
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kb.storeCrawlingChoice = readInput(message, default='N', boolean=True)
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if kb.storeCrawlingChoice:
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handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.CRAWLER, suffix=".csv" if conf.forms else ".txt")
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os.close(handle)
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infoMsg = "writing crawling results to a temporary file '%s' " % filename
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logger.info(infoMsg)
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with openFile(filename, "w+b") as f:
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if conf.forms:
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f.write("URL,POST\n")
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for url, _, data, _, _ in results:
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if conf.forms:
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f.write("%s,%s\n" % (safeCSValue(url), safeCSValue(data or "")))
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else:
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f.write("%s\n" % url)
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