Renaming lib/core/purge to lib/utils/purge

lib/utils/purge.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2014 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+import os
+import random
+import shutil
+import stat
+import string
+
+from lib.core.data import logger
+
+def purge(directory):
+    """
+    Safely removes content from a given directory
+    """
+
+    if not os.path.isdir(directory):
+        warnMsg = "skipping purging of directory '%s' as it does not exist" % directory
+        logger.warn(warnMsg)
+        return
+
+    infoMsg = "purging content of directory '%s'..." % directory
+    logger.info(infoMsg)
+
+    filepaths = []
+    dirpaths = []
+
+    for rootpath, directories, filenames in os.walk(directory):
+        dirpaths.extend([os.path.abspath(os.path.join(rootpath, _)) for _ in directories])
+        filepaths.extend([os.path.abspath(os.path.join(rootpath, _)) for _ in filenames])
+
+    logger.debug("changing file attributes")
+    for filepath in filepaths:
+        try:
+            os.chmod(filepath, stat.S_IREAD | stat.S_IWRITE)
+        except:
+            pass
+
+    logger.debug("writing random data to files")
+    for filepath in filepaths:
+        try:
+            filesize = os.path.getsize(filepath)
+            with open(filepath, 'w+b') as f:
+                f.write("".join(chr(random.randint(0, 255)) for _ in xrange(filesize)))
+        except:
+            pass
+
+    logger.debug("truncating files")
+    for filepath in filepaths:
+        try:
+            with open(filepath, 'w') as f:
+                pass
+        except:
+            pass
+
+    logger.debug("renaming filenames to random values")
+    for filepath in filepaths:
+        try:
+            os.rename(filepath, os.path.join(os.path.dirname(filepath), "".join(random.sample(string.ascii_letters, random.randint(4, 8)))))
+        except:
+            pass
+
+    dirpaths.sort(cmp=lambda x, y: y.count(os.path.sep) - x.count(os.path.sep))
+
+    logger.debug("renaming directory names to random values")
+    for dirpath in dirpaths:
+        try:
+            os.rename(dirpath, os.path.join(os.path.dirname(dirpath), "".join(random.sample(string.ascii_letters, random.randint(4, 8)))))
+        except:
+            pass
+
+    logger.debug("deleting the whole directory tree")
+    os.chdir(os.path.join(directory, ".."))
+
+    try:
+        shutil.rmtree(directory)
+    except OSError, ex:
+        logger.error("problem occurred while removing directory '%s' ('%s')" % (directory, ex))