def inject_file(imagepath: str, secretpath: str, outputpath: str):
secretfilename = basename(secretpath).encode()
with open(secretpath, "rb") as f:
secretdata = f.read()
header = bytearray(b"\0" * 128)
header[0:4] = pack("<I", len(secretdata))
header[4:4 + len(secretfilename)] = secretfilename
header = header[:128] # cap anything that's too long
pixelmanipulator = PixelManipulator(imagepath)
maxfilesize = (pixelmanipulator.get_maximum_size() - 128)
if maxfilesize < len(secretdata):
print(
"The target container is too small for the secret. Maximum file size is",
maxfilesize, "bytes")
sys.exit(1)
bitfactory = BitFactory(secretdata)
pixelmanipulator.apply_bits(header, bitfactory)
pixelmanipulator.save(outputpath)
def inject_file(imagepath: str, secretpath: str, outputpath: str):
secretfilename = basename(secretpath).encode()
with open(secretpath, "rb") as f:
secretdata = f.read()
header = bytearray(b"\0" * 128)
header[0:4] = pack("<I", len(secretdata))
header[4:4 + len(secretfilename)] = secretfilename
header = header[:128] # cap anything that's too long
pixelmanipulator = PixelManipulator(imagepath)
maxfilesize = (pixelmanipulator.get_maximum_size() - 128)
if maxfilesize < len(secretdata):
print("The target container is too small for the secret. Maximum file size is", maxfilesize, "bytes")
sys.exit(1)
bitfactory = BitFactory(secretdata)
pixelmanipulator.apply_bits(header, bitfactory)
pixelmanipulator.save(outputpath)
