From 673b7097376c600a927e00b397032c711a7348de Mon Sep 17 00:00:00 2001 From: stack Date: Tue, 29 Jan 2013 02:45:26 +0100 Subject: [PATCH] Initial implementation, argparse not well done --- idfimage.py | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100755 idfimage.py diff --git a/idfimage.py b/idfimage.py new file mode 100755 index 0000000..88436e8 --- /dev/null +++ b/idfimage.py @@ -0,0 +1,61 @@ +#!/usr/bin/env python + +#Identify false image files, for example a file that has a gif header and a php body +#author: stack@inventati.org +#copyleft: 2013-01-29 + +import os +import sys +from PIL import Image +import imghdr + +#Log wrong image files found +def log(path, fd): + fd.write(path+"\n") + +#Echo a message if verbose is enabled +def verbose(message): + if debug is not None: + print(message) + +#Check if a given file is an image, trying not to be fooled +def checkfimage(fpath): + #imghdr is fooled with false images, so use it to check if file would be a valid image file + if imghdr.what(fpath): + try: + #PIL Image is not fooled + Image.open(fpath) + except: + return False + return True + +#Generate the file paths to traverse, or a single path if a file name was given +def getfiles(path): + if os.path.isdir(sys.argv[1]): + for root, dirs, files in os.walk(sys.argv[1]): + for name in files: + yield os.path.join(root, name) + else: + yield path + +if __name__ == "__main__": + if len(sys.argv) < 3: + sys.exit('Usage: %s path logfile [-v]' % sys.argv[0]) + + if not os.path.exists(sys.argv[1]): + sys.exit('ERROR: path %s was not found!' % sys.argv[1]) + + try: + fdlog = open(sys.argv[2],"w") + except: + sys.exit('ERROR: unable to open logfile' % sys.argv[2]) + + debug = 1 if len(sys.argv) == 4 and sys.argv[3] == "-v" else None + + for fpath in getfiles(sys.argv[1]): + verbose("Checking: " + fpath) + if not checkfimage(fpath): + log(fpath, fdlog) + verbose("ERR not an image: " + fpath) + + fdlog.close() -- 2.20.1