sqlmap/lib/utils/hashdb.py
Miroslav Stampar fd9acfd7d2 fix
2011-09-26 13:36:08 +00:00

62 lines
1.8 KiB
Python

#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2011 sqlmap developers (http://www.sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import hashlib
import sqlite3
from lib.core.settings import UNICODE_ENCODING
from lib.core.threads import getCurrentThreadData
class HashDB(object):
def __init__(self, filepath):
self.filepath = filepath
def _get_cursor(self):
threadData = getCurrentThreadData()
if threadData.hashDBCursor is None:
connection = sqlite3.connect(self.filepath, isolation_level=None)
threadData.hashDBCursor = connection.cursor()
threadData.hashDBCursor.execute("CREATE TABLE IF NOT EXISTS storage (id INTEGER PRIMARY KEY, value TEXT)")
return threadData.hashDBCursor
cursor = property(_get_cursor)
def __del__(self):
self.close()
def close(self):
try:
self.endTransaction()
self.cursor.connection.close()
except:
pass
def hashKey(self, key):
key = key.encode(UNICODE_ENCODING) if isinstance(key, unicode) else repr(key)
retVal = int(hashlib.md5(key).hexdigest()[:8], 16)
return retVal
def retrieve(self, key):
retVal = None
if key:
hash_ = self.hashKey(key)
for row in self.cursor.execute("SELECT value FROM storage WHERE id=?", (hash_,)):
retVal = row[0]
return retVal
def write(self, key, value):
if key:
hash_ = self.hashKey(key)
try:
self.cursor.execute("INSERT INTO storage VALUES (?, ?)", (hash_, value,))
except sqlite3.IntegrityError:
self.cursor.execute("UPDATE storage SET value=? WHERE id=?", (value, hash_,))