def extractMSG(path2Image, path2Video):
# Extract from picture
im = cv.LoadImage(path2Image)
steg = LSBSteg(im)
s = steg.unhideText()
tmpFile = open("tmp/PositionsList.txt", "w")
tmpFile.write(s)
tmpFile.close()
#Read Video file frames
absPath = path2Video
vidcap = cv2.VideoCapture(absPath)
count = 0
success, image = vidcap.read()
while success:
success, image = vidcap.read()
cv2.imwrite("tmp/frame%d.jpg" % count, image) # save frame as JPEG file
count += 1
# extract message from frames
fNum = 0
secMSG = ""
for line in open("tmp/PositionsList.txt"):
word = int(line.strip())
if word != -1:
cPos = word - fNum
imgName = "tmp/frame%d.jpg" % fNum
try:
imageFile = imgName
data = open(imageFile, "rb").read()
except IOError:
print "Image file %s not found" % imageFile
raise SystemExit
msgOrd = data[cPos]
secMSG = secMSG + msgOrd
#fNum = fNum + 1
fNum = (fNum + 1) % count
#shutil.rmtree('tmp')
return secMSG
def do_POST(self):
if self.path == "/send":
form = cgi.FieldStorage(fp=self.rfile,
headers=self.headers,
environ={
'REQUEST_METHOD':
'POST',
'CONTENT_TYPE':
self.headers['Content-Type'],
})
option = form["option"].value
#filename = form['file'].filename
#print filename
hash = random.getrandbits(128)
msg = ""
if option == "encodeText":
print "encodeText"
filename = form['file1'].filename
hash = str(random.getrandbits(128))
encodeText = form["encodeText"].value
data = form['file1'].file.read()
print encodeText
open("tmp/%s_%s" % (hash, filename), "wb").write(data)
carrier = cv.LoadImage("tmp/%s_%s" % (hash, filename))
steg = LSBSteg(carrier)
steg.hideText(encodeText)
steg.saveImage(("tmp/%s_%s_out.png" % (hash, filename)))
msg = "<html><head></head><body>Thanks, <a href='tmp/%s_%s_out.png'>Download Your Encode Image</a></body><html>" % (
hash, filename)
elif option == "decodeText":
print "decodeText"
filename = form['file1'].filename
data = form['file1'].file.read()
print filename
hash = str(random.getrandbits(128))
open("tmp/%s_%s" % (hash, filename), "wb").write(data)
im = cv.LoadImage("tmp/%s_%s" % (hash, filename))
steg = LSBSteg(im)
unhideText = steg.unhideText()
print unhideText
#print steg.unhideText()
msg = "<html><head></head><body>Thanks, your texts is : %s</body><html>" % unhideText
elif option == "encodeImage":
print "encodeImage"
filename1 = form['file1'].filename
filename2 = form['file2'].filename
print filename1
print filename2
hash1 = str(random.getrandbits(128))
hash2 = str(random.getrandbits(128))
data = form['file1'].file.read()
open("tmp/%s_%s" % (hash1, filename1), "wb").write(data)
data = form['file2'].file.read()
open("tmp/%s_%s" % (hash2, filename2), "wb").write(data)
imagetohide = cv.LoadImage("tmp/%s_%s" % (hash1, filename1))
carrier = cv.LoadImage("tmp/%s_%s" % (hash2, filename2))
steg = LSBSteg(carrier)
steg.hideImage(imagetohide)
#steg.saveImage(("tmp/%s_%s_out.png"%(hash1,filename1)))
#msg = "<html><head></head><body>Thanks, <a href='tmp/%s_%s_out.png'>Download Your Encode Image</a></body><html>"%(hash1,filename1)
elif option == "decodeImage":
print "decodeImage"
#print hide("tmp/%s"%filename,encodeText)
self.send_response(200)
self.end_headers()
#self.wfile.write("Thanks %s !" % form["your_name"].value)
self.wfile.write(msg)
return
def unhide_text(in_img):
im = cv.imread(in_img)
steg = LSBSteg(im)
print(steg.unhideText())
from LSBSteg import LSBSteg
import cv2.cv as cv
import sys
im = cv.LoadImage("res.png")
steg = LSBSteg(im)
print "Text value:", steg.unhideText()
__author__ = 'root'
from LSBSteg import LSBSteg
import cv2
import numpy as np
im = cv2.imread('toomuchgreen.png')
steg = LSBSteg(im)
#dec = steg.unhideImage()
#cv2.imwrite('recovered', dec)
dec = steg.unhideText()
print dec
def retrieve_data(img):
print img
im = cv.LoadImage(img)
steg = LSBSteg(im)
return steg.unhideText()
import cv from LSBSteg import LSBSteg import sys imagename = sys.argv[1] im = cv.LoadImage(imagename) steg = LSBSteg(im) print steg.unhideText()
from LSBSteg import LSBSteg
import cv
from sys import argv
#Hide
string = "Hello there"
carrier = cv.LoadImage(argv[1])
steg = LSBSteg(carrier)
steg.hideText(string)
steg.saveImage("hidden.png")
#retrieve
im = cv.LoadImage("hidden.png")
steg2 = LSBSteg(im)
print steg2.unhideText()
def retrieve_data(img):
print img
im = cv.LoadImage(img)
steg = LSBSteg(im)
return steg.unhideText()
def do_POST(self):
if self.path=="/send":
form = cgi.FieldStorage(
fp=self.rfile,
headers=self.headers,
environ={'REQUEST_METHOD':'POST',
'CONTENT_TYPE':self.headers['Content-Type'],
})
option = form["option"].value
#filename = form['file'].filename
#print filename
hash = random.getrandbits(128)
msg=""
if option == "encodeText" :
print "encodeText"
filename = form['file1'].filename
hash = str(random.getrandbits(128))
encodeText = form["encodeText"].value
data = form['file1'].file.read()
print encodeText
open("tmp/%s_%s"%(hash,filename), "wb").write(data)
carrier = cv.LoadImage("tmp/%s_%s"%(hash,filename))
steg = LSBSteg(carrier)
steg.hideText(encodeText)
steg.saveImage(("tmp/%s_%s_out.png"%(hash,filename)))
msg = "<html><head></head><body>Thanks, <a href='tmp/%s_%s_out.png'>Download Your Encode Image</a></body><html>"%(hash,filename)
elif option == "decodeText":
print "decodeText"
filename = form['file1'].filename
data = form['file1'].file.read()
print filename
hash = str(random.getrandbits(128))
open("tmp/%s_%s"%(hash,filename), "wb").write(data)
im = cv.LoadImage("tmp/%s_%s"%(hash,filename))
steg = LSBSteg(im)
unhideText = steg.unhideText()
print unhideText
#print steg.unhideText()
msg = "<html><head></head><body>Thanks, your texts is : %s</body><html>"%unhideText
elif option == "encodeImage":
print "encodeImage"
filename1 = form['file1'].filename
filename2 = form['file2'].filename
print filename1
print filename2
hash1 = str(random.getrandbits(128))
hash2 = str(random.getrandbits(128))
data = form['file1'].file.read()
open("tmp/%s_%s"%(hash1,filename1), "wb").write(data)
data = form['file2'].file.read()
open("tmp/%s_%s"%(hash2,filename2), "wb").write(data)
imagetohide = cv.LoadImage("tmp/%s_%s"%(hash1,filename1))
carrier = cv.LoadImage("tmp/%s_%s"%(hash2,filename2))
steg = LSBSteg(carrier)
steg.hideImage(imagetohide)
#steg.saveImage(("tmp/%s_%s_out.png"%(hash1,filename1)))
#msg = "<html><head></head><body>Thanks, <a href='tmp/%s_%s_out.png'>Download Your Encode Image</a></body><html>"%(hash1,filename1)
elif option == "decodeImage":
print "decodeImage"
#print hide("tmp/%s"%filename,encodeText)
self.send_response(200)
self.end_headers()
#self.wfile.write("Thanks %s !" % form["your_name"].value)
self.wfile.write(msg)
return
