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#!/usr/bin/env python
"""
Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""
from __future__ import division
import os
import re
import tempfile
import time
from lib.core.common import checkSameHost
from lib.core.common import clearConsoleLine
from lib.core.common import dataToStdout
from lib.core.common import extractRegexResult
from lib.core.common import findPageForms
from lib.core.common import getSafeExString
from lib.core.common import openFile
from lib.core.common import readInput
from lib.core.common import safeCSValue
from lib.core.common import urldecode
from lib.core.compat import xrange
from lib.core.convert import htmlUnescape
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.datatype import OrderedSet
from lib.core.enums import MKSTEMP_PREFIX
from lib.core.exception import SqlmapConnectionException
from lib.core.exception import SqlmapSyntaxException
from lib.core.settings import CRAWL_EXCLUDE_EXTENSIONS
from lib.core.threads import getCurrentThreadData
from lib.core.threads import runThreads
from lib.parse.sitemap import parseSitemap
from lib.request.connect import Connect as Request
from thirdparty import six
from thirdparty.beautifulsoup.beautifulsoup import BeautifulSoup
from thirdparty.six.moves import http_client as _http_client
from thirdparty.six.moves import urllib as _urllib
def crawl(target, post=None, cookie=None):
if not target:
return
try:
visited = set()
threadData = getCurrentThreadData()
threadData.shared.value = OrderedSet()
threadData.shared.formsFound = False
def crawlThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.limit:
if threadData.shared.unprocessed:
current = threadData.shared.unprocessed.pop()
if current in visited:
continue
elif conf.crawlExclude and re.search(conf.crawlExclude, current):
dbgMsg = "skipping '%s'" % current
logger.debug(dbgMsg)
continue
else:
visited.add(current)
else:
break
content = None
try:
if current:
content = Request.getPage(url=current, post=post, cookie=None, crawling=True, raise404=False)[0]
except SqlmapConnectionException as ex:
errMsg = "connection exception detected ('%s'). skipping " % getSafeExString(ex)
errMsg += "URL '%s'" % current
logger.critical(errMsg)
except SqlmapSyntaxException:
errMsg = "invalid URL detected. skipping '%s'" % current
logger.critical(errMsg)
except _http_client.InvalidURL as ex:
errMsg = "invalid URL detected ('%s'). skipping " % getSafeExString(ex)
errMsg += "URL '%s'" % current
logger.critical(errMsg)
if not kb.threadContinue:
break
if isinstance(content, six.text_type):
try:
match = re.search(r"(?si)<html[^>]*>(.+)</html>", content)
if match:
content = "<html>%s</html>" % match.group(1)
soup = BeautifulSoup(content)
tags = soup('a')
tags += re.finditer(r'(?i)\s(href|src)=["\'](?P<href>[^>"\']+)', content)
tags += re.finditer(r'(?i)window\.open\(["\'](?P<href>[^)"\']+)["\']', content)
for tag in tags:
href = tag.get("href") if hasattr(tag, "get") else tag.group("href")
if href:
if threadData.lastRedirectURL and threadData.lastRedirectURL[0] == threadData.lastRequestUID:
current = threadData.lastRedirectURL[1]
url = _urllib.parse.urljoin(current, htmlUnescape(href))
# flag to know if we are dealing with the same target host
_ = checkSameHost(url, target)
if conf.scope:
if not re.search(conf.scope, url, re.I):
continue
elif not _:
continue
if (extractRegexResult(r"\A[^?]+\.(?P<result>\w+)(\?|\Z)", url) or "").lower() not in CRAWL_EXCLUDE_EXTENSIONS:
with kb.locks.value:
threadData.shared.deeper.add(url)
if re.search(r"(.*?)\?(.+)", url) and not re.search(r"\?(v=)?\d+\Z", url) and not re.search(r"(?i)\.(js|css)(\?|\Z)", url):
threadData.shared.value.add(url)
except UnicodeEncodeError: # for non-HTML files
pass
except ValueError: # for non-valid links
pass
except AssertionError: # for invalid HTML
pass
finally:
if conf.forms:
threadData.shared.formsFound |= len(findPageForms(content, current, False, True)) > 0
if conf.verbose in (1, 2):
threadData.shared.count += 1
status = '%d/%d links visited (%d%%)' % (threadData.shared.count, threadData.shared.length, round(100.0 * threadData.shared.count / threadData.shared.length))
dataToStdout("\r[%s] [INFO] %s" % (time.strftime("%X"), status), True)
threadData.shared.deeper = set()
threadData.shared.unprocessed = set([target])
_ = re.sub(r"(?<!/)/(?!/).*", "", target)
if _:
if target.strip('/') != _.strip('/'):
threadData.shared.unprocessed.add(_)
if re.search(r"\?.*\b\w+=", target):
threadData.shared.value.add(target)
if kb.checkSitemap is None:
message = "do you want to check for the existence of "
message += "site's sitemap(.xml) [y/N] "
kb.checkSitemap = readInput(message, default='N', boolean=True)
if kb.checkSitemap:
found = True
items = None
url = _urllib.parse.urljoin(target, "/sitemap.xml")
try:
items = parseSitemap(url)
except SqlmapConnectionException as ex:
if "page not found" in getSafeExString(ex):
found = False
logger.warning("'sitemap.xml' not found")
except:
pass
finally:
if found:
if items:
for item in items:
if re.search(r"(.*?)\?(.+)", item):
threadData.shared.value.add(item)
if conf.crawlDepth > 1:
threadData.shared.unprocessed.update(items)
logger.info("%s links found" % ("no" if not items else len(items)))
if not conf.bulkFile:
infoMsg = "starting crawler for target URL '%s'" % target
logger.info(infoMsg)
for i in xrange(conf.crawlDepth):
threadData.shared.count = 0
threadData.shared.length = len(threadData.shared.unprocessed)
numThreads = min(conf.threads, len(threadData.shared.unprocessed))
if not conf.bulkFile:
logger.info("searching for links with depth %d" % (i + 1))
runThreads(numThreads, crawlThread, threadChoice=(i > 0))
clearConsoleLine(True)
if threadData.shared.deeper:
threadData.shared.unprocessed = set(threadData.shared.deeper)
else:
break
except KeyboardInterrupt:
warnMsg = "user aborted during crawling. sqlmap "
warnMsg += "will use partial list"
logger.warning(warnMsg)
finally:
clearConsoleLine(True)
if not threadData.shared.value:
if not (conf.forms and threadData.shared.formsFound):
warnMsg = "no usable links found (with GET parameters)"
if conf.forms:
warnMsg += " or forms"
logger.warning(warnMsg)
else:
for url in threadData.shared.value:
kb.targets.add((urldecode(url, kb.pageEncoding), None, None, None, None))
if kb.targets:
if kb.normalizeCrawlingChoice is None:
message = "do you want to normalize "
message += "crawling results [Y/n] "
kb.normalizeCrawlingChoice = readInput(message, default='Y', boolean=True)
if kb.normalizeCrawlingChoice:
seen = set()
results = OrderedSet()
for target in kb.targets:
value = "%s%s%s" % (target[0], '&' if '?' in target[0] else '?', target[2] or "")
match = re.search(r"/[^/?]*\?.+\Z", value)
if match:
key = re.sub(r"=[^=&]*", "=", match.group(0)).strip("&?")
if '=' in key and key not in seen:
results.add(target)
seen.add(key)
kb.targets = results
storeResultsToFile(kb.targets)
def storeResultsToFile(results):
if not results:
return
if kb.storeCrawlingChoice is None:
message = "do you want to store crawling results to a temporary file "
message += "for eventual further processing with other tools [y/N] "
kb.storeCrawlingChoice = readInput(message, default='N', boolean=True)
if kb.storeCrawlingChoice:
handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.CRAWLER, suffix=".csv" if conf.forms else ".txt")
os.close(handle)
infoMsg = "writing crawling results to a temporary file '%s' " % filename
logger.info(infoMsg)
with openFile(filename, "w+b") as f:
if conf.forms:
f.write("URL,POST\n")
for url, _, data, _, _ in results:
if conf.forms:
f.write("%s,%s\n" % (safeCSValue(url), safeCSValue(data or "")))
else:
f.write("%s\n" % url)
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