sqlmap/lib/core/wordlist.py
2019-01-22 00:40:48 +01:00

87 lines
2.8 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import os
import zipfile
from lib.core.common import getSafeExString
from lib.core.exception import SqlmapDataException
from lib.core.exception import SqlmapInstallationException
class Wordlist(object):
"""
Iterator for looping over a large dictionaries
"""
def __init__(self, filenames, proc_id=None, proc_count=None, custom=None):
self.filenames = filenames
self.fp = None
self.index = 0
self.counter = -1
self.current = None
self.iter = None
self.custom = custom or []
self.proc_id = proc_id
self.proc_count = proc_count
self.adjust()
def __iter__(self):
return self
def adjust(self):
self.closeFP()
if self.index > len(self.filenames):
raise StopIteration
elif self.index == len(self.filenames):
self.iter = iter(self.custom)
else:
self.current = self.filenames[self.index]
if os.path.splitext(self.current)[1].lower() == ".zip":
try:
_ = zipfile.ZipFile(self.current, 'r')
except zipfile.error as ex:
errMsg = "something appears to be wrong with "
errMsg += "the file '%s' ('%s'). Please make " % (self.current, getSafeExString(ex))
errMsg += "sure that you haven't made any changes to it"
raise SqlmapInstallationException(errMsg)
if len(_.namelist()) == 0:
errMsg = "no file(s) inside '%s'" % self.current
raise SqlmapDataException(errMsg)
self.fp = _.open(_.namelist()[0])
else:
self.fp = open(self.current, 'r')
self.iter = iter(self.fp)
self.index += 1
def closeFP(self):
if self.fp:
self.fp.close()
self.fp = None
def next(self):
retVal = None
while True:
self.counter += 1
try:
retVal = self.iter.next().rstrip()
except zipfile.error as ex:
errMsg = "something appears to be wrong with "
errMsg += "the file '%s' ('%s'). Please make " % (self.current, getSafeExString(ex))
errMsg += "sure that you haven't made any changes to it"
raise SqlmapInstallationException(errMsg)
except StopIteration:
self.adjust()
retVal = self.iter.next().rstrip()
if not self.proc_count or self.counter % self.proc_count == self.proc_id:
break
return retVal
def rewind(self):
self.index = 0
self.adjust()