mirror of
https://github.com/sqlmapproject/sqlmap.git
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Making DuckDuckGo default search engine
This commit is contained in:
Miroslav Štampar
parent
000c4e5689
commit
800e6f0a56
3 changed files with 79 additions and 130 deletions
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@ -20,7 +20,7 @@ from lib.core.enums import OS
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from thirdparty import six
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# sqlmap version (<major>.<minor>.<month>.<monthly commit>)
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VERSION = "1.10.6.92"
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VERSION = "1.10.6.93"
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TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
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TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
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VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
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@ -11,7 +11,6 @@ import socket
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from lib.core.common import getSafeExString
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from lib.core.common import popValue
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from lib.core.common import pushValue
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from lib.core.common import readInput
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from lib.core.common import urlencode
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from lib.core.convert import getBytes
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from lib.core.convert import getUnicode
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@ -24,7 +23,6 @@ from lib.core.enums import HTTP_HEADER
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from lib.core.enums import REDIRECTION
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from lib.core.exception import SqlmapBaseException
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from lib.core.exception import SqlmapConnectionException
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from lib.core.exception import SqlmapUserQuitException
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from lib.core.settings import BING_REGEX
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from lib.core.settings import DUCKDUCKGO_REGEX
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from lib.core.settings import DUMMY_SEARCH_USER_AGENT
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@ -37,152 +35,102 @@ 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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from thirdparty.socks import socks
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def _fetch(url, headers, data=None):
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"""
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Fetches and returns the (decoded) content of a search engine results page
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(or None in case of a connection issue)
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"""
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retVal = None
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try:
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req = _urllib.request.Request(url, data=getBytes(data) if data else None, headers=headers)
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conn = _urllib.request.urlopen(req)
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requestMsg = "HTTP request:\n%s %s" % ("POST" if data else "GET", url)
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requestMsg += " %s" % _http_client.HTTPConnection._http_vsn_str
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logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg)
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page = conn.read()
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responseHeaders = conn.info()
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responseMsg = "HTTP response (%s - %d):\n" % (conn.msg, conn.code)
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if conf.verbose <= 4:
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responseMsg += getUnicode(responseHeaders, UNICODE_ENCODING)
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elif conf.verbose > 4:
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responseMsg += "%s\n%s\n" % (responseHeaders, page)
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logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
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page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
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retVal = getUnicode(page) # Note: if decodePage call fails (Issue #4202)
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except _urllib.error.HTTPError as ex:
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try:
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retVal = getUnicode(ex.read())
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except Exception:
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pass
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except (_urllib.error.URLError, _http_client.error, socket.error, socket.timeout, socks.ProxyError):
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pass
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return retVal
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def _search(dork):
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"""
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This method performs the effective search on Google providing
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the google dork and the Google session cookie
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This method performs the effective search using the provided dork,
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trying the available search engines in order of (current) scraping
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reliability and returning the results of the first one that yields any
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(so that the failure of a single engine does not break the feature)
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"""
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if not dork:
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return None
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page = None
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data = None
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requestHeaders = {}
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responseHeaders = {}
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retVal = []
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seen = set()
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requestHeaders[HTTP_HEADER.USER_AGENT] = dict(conf.httpHeaders).get(HTTP_HEADER.USER_AGENT, DUMMY_SEARCH_USER_AGENT)
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requestHeaders[HTTP_HEADER.ACCEPT_ENCODING] = HTTP_ACCEPT_ENCODING_HEADER_VALUE
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requestHeaders[HTTP_HEADER.COOKIE] = GOOGLE_CONSENT_COOKIE
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try:
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req = _urllib.request.Request("https://www.google.com/ncr", headers=requestHeaders)
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conn = _urllib.request.urlopen(req)
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except Exception as ex:
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errMsg = "unable to connect to Google ('%s')" % getSafeExString(ex)
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raise SqlmapConnectionException(errMsg)
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requestHeaders = {
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HTTP_HEADER.USER_AGENT: dict(conf.httpHeaders).get(HTTP_HEADER.USER_AGENT, DUMMY_SEARCH_USER_AGENT),
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HTTP_HEADER.ACCEPT_ENCODING: HTTP_ACCEPT_ENCODING_HEADER_VALUE,
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HTTP_HEADER.COOKIE: GOOGLE_CONSENT_COOKIE,
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}
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gpage = conf.googlePage if conf.googlePage > 1 else 1
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logger.info("using search result page #%d" % gpage)
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url = "https://www.google.com/search?" # NOTE: if consent fails, try to use the "http://"
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url += "q=%s&" % urlencode(dork, convall=True)
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url += "num=100&hl=en&complete=0&safe=off&filter=0&btnG=Search"
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url += "&start=%d" % ((gpage - 1) * 100)
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encoded = urlencode(dork, convall=True)
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try:
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req = _urllib.request.Request(url, headers=requestHeaders)
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conn = _urllib.request.urlopen(req)
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# Note: (name, url, POST data, regex, regex flags, match->link). Ordered by current scraping reliability; tried in turn until one yields results (DuckDuckGo currently being the only consistently scrapeable one)
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engines = (
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("DuckDuckGo", "https://html.duckduckgo.com/html/", "q=%s&s=%d" % (encoded, (gpage - 1) * 30), DUCKDUCKGO_REGEX, re.I | re.S, lambda match: match.group(1).replace("&", "&")),
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("Bing", "https://www.bing.com/search?q=%s&first=%d" % (encoded, (gpage - 1) * 10 + 1), None, BING_REGEX, re.I | re.S, lambda match: match.group(1)),
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("Google", "https://www.google.com/search?q=%s&num=100&hl=en&complete=0&safe=off&filter=0&btnG=Search&start=%d" % (encoded, (gpage - 1) * 100), None, GOOGLE_REGEX, re.I, lambda match: match.group(1) or match.group(2)),
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)
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requestMsg = "HTTP request:\nGET %s" % url
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requestMsg += " %s" % _http_client.HTTPConnection._http_vsn_str
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logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg)
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for name, url, data, regex, flags, extract in engines:
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page = _fetch(url, requestHeaders, data)
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page = conn.read()
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code = conn.code
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status = conn.msg
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responseHeaders = conn.info()
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if not page:
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continue
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responseMsg = "HTTP response (%s - %d):\n" % (status, code)
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count = 0
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for match in re.finditer(regex, page, flags):
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link = _urllib.parse.unquote(extract(match))
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if link and link not in seen:
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seen.add(link)
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retVal.append(link)
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count += 1
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if conf.verbose <= 4:
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responseMsg += getUnicode(responseHeaders, UNICODE_ENCODING)
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elif conf.verbose > 4:
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responseMsg += "%s\n%s\n" % (responseHeaders, page)
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if count:
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logger.info("found %d usable link%s using %s" % (count, 's' if count != 1 else "", name))
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break # Note: stop at the first engine that actually returns results (others are only fallbacks)
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logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
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except _urllib.error.HTTPError as ex:
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try:
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page = ex.read()
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responseHeaders = ex.info()
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except Exception as _:
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warnMsg = "problem occurred while trying to get "
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warnMsg += "an error page information (%s)" % getSafeExString(_)
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logger.critical(warnMsg)
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return None
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except (_urllib.error.URLError, _http_client.error, socket.error, socket.timeout, socks.ProxyError):
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errMsg = "unable to connect to Google"
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raise SqlmapConnectionException(errMsg)
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page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
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page = getUnicode(page) # Note: if decodePage call fails (Issue #4202)
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retVal = [_urllib.parse.unquote(match.group(1) or match.group(2)) for match in re.finditer(GOOGLE_REGEX, page, re.I)]
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if not retVal and "detected unusual traffic" in page:
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warnMsg = "Google has detected 'unusual' traffic from "
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warnMsg += "used IP address disabling further searches"
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if conf.proxyList:
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# Note: switch proxy (if available) when an abuse/captcha page was served (instead of pointlessly falling through to the next engine from the same blocked IP)
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if conf.proxyList and (("detected unusual traffic" in page) or ("issue with the Tor Exit Node you are currently using" in page)):
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warnMsg = "%s has detected 'unusual' traffic from the used IP address" % name
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raise SqlmapBaseException(warnMsg)
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else:
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logger.critical(warnMsg)
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if not retVal:
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message = "no usable links found. What do you want to do?"
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message += "\n[1] (re)try with DuckDuckGo (default)"
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message += "\n[2] (re)try with Bing"
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message += "\n[3] quit"
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choice = readInput(message, default='1')
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if choice == '3':
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raise SqlmapUserQuitException
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elif choice == '2':
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url = "https://www.bing.com/search?q=%s&first=%d" % (urlencode(dork, convall=True), (gpage - 1) * 10 + 1)
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regex = BING_REGEX
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else:
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url = "https://html.duckduckgo.com/html/"
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data = "q=%s&s=%d" % (urlencode(dork, convall=True), (gpage - 1) * 30)
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regex = DUCKDUCKGO_REGEX
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try:
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req = _urllib.request.Request(url, data=getBytes(data), headers=requestHeaders)
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conn = _urllib.request.urlopen(req)
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requestMsg = "HTTP request:\nGET %s" % url
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requestMsg += " %s" % _http_client.HTTPConnection._http_vsn_str
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logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg)
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page = conn.read()
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code = conn.code
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status = conn.msg
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responseHeaders = conn.info()
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page = decodePage(page, responseHeaders.get("Content-Encoding"), responseHeaders.get("Content-Type"))
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responseMsg = "HTTP response (%s - %d):\n" % (status, code)
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if conf.verbose <= 4:
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responseMsg += getUnicode(responseHeaders, UNICODE_ENCODING)
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elif conf.verbose > 4:
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responseMsg += "%s\n%s\n" % (responseHeaders, page)
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logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
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except _urllib.error.HTTPError as ex:
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try:
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page = ex.read()
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page = decodePage(page, ex.headers.get("Content-Encoding"), ex.headers.get("Content-Type"))
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except socket.timeout:
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warnMsg = "connection timed out while trying "
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warnMsg += "to get error page information (%d)" % ex.code
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logger.critical(warnMsg)
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return None
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except:
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errMsg = "unable to connect"
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raise SqlmapConnectionException(errMsg)
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page = getUnicode(page) # Note: if decodePage call fails (Issue #4202)
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retVal = [_urllib.parse.unquote(match.group(1).replace("&", "&")) for match in re.finditer(regex, page, re.I | re.S)]
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if not retVal and "issue with the Tor Exit Node you are currently using" in page:
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warnMsg = "DuckDuckGo has detected 'unusual' traffic from "
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warnMsg += "used (Tor) IP address"
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if conf.proxyList:
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raise SqlmapBaseException(warnMsg)
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else:
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logger.critical(warnMsg)
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warnMsg = "no usable links found (search engines might be blocking the used IP address)"
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logger.critical(warnMsg)
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return retVal
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@ -206,6 +154,7 @@ def search(dork):
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return search(dork)
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else:
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raise
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finally:
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kb.choices.redirect = popValue()
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