def extractMessageFromImage(self):
#Create a NewSteg object
steg = NewSteganography(self.currentPath)
#Make sure it is set to the proper orientation
steg.setProperOrientation()
#Get the message from the image
message = steg.extractMessageFromMedium()
#Disable the extract button
self.btnExtract.setEnabled(False)
#Display the message based on the type
if message.messageType == "GrayImage" :
pass
image = message.getDecodedGrayImage()
self.displayExtractedGrayImage(image)
elif message.messageType == "ColorImage" :
image = message.getDecodedColorImage()
self.displayExtractedColorImage(image)
else :
text = message.getDecodedText()
self.displayExtractedText(text)
def confirmWipe(self):
msgBox = QMessageBox()
msgBox.setText('Confirm Wipe')
msgBox.setInformativeText('Are you sure you want to wipe the current medium?')
msgBox.setStandardButtons(QMessageBox.No | QMessageBox.Yes)
msgBox.setDefaultButton(QMessageBox.No)
ret = msgBox.exec_()
# If the user selects yes
if(ret == QMessageBox.Yes):
n = NewSteganography(imagePath = self.imagePath, direction = self.imageDirection)
# Call the wipe medium function, repopulate the origin fileTreeWidget
n.wipeMedium()
self.fileTreeWidget.clear()
self.examineImages()
# Clear the two graphics views in the stackedWidget
self.txtMessage.clear()
tempScene = QGraphicsScene()
self.viewMessage.setScene(tempScene)
self.btnWipeMedium.setDisabled(True)
self.btnExtract.setDisabled(True)
self.viewMessage.setHidden(True)
self.txtMessage.setHidden(True)
self.lblTextMessage.setText('Text')
self.lblImageMessage.setText('Text')
self.lblTextMessage.setDisabled(True)
self.lblImageMessage.setDisabled(True)
def wipeMediumClicked(self):
#Get the currently selected picture
selected_item = self.fileTreeWidget.currentItem().text(0)
#Construct the file path based on selected item
path = self.directory + "/" + selected_item
#Creat and display warning box
msgBox = QMessageBox()
msgBox.setWindowTitle("Confirmation Window")
msgBox.setText("Are you sure you want to wipe medium?")
msgBox.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
msgBox.setDefaultButton(QMessageBox.No)
ret = msgBox.exec_()
#If Yes was clicked
if(ret == 16384):
#Wipe the medium and adjust the file tree accordingly
steg = NewSteganography(imagePath=path)
child = self.fileTreeWidget.currentItem()
child.takeChild(0)
child.setForeground(0,QtGui.QBrush(Qt.blue))
self.hidden_message_dict[child.text(0)] = None
steg.wipeMedium()
self.treeItemClicked()
def extract(self):
"""
extracts the message in the medium and places it in the graphics view or line edit based on what type the message is
:return:
"""
parentcheck = str(self.fileTreeWidget.currentItem().parent())
if parentcheck == 'None':
current = self.fileTreeWidget.currentItem()
else:
current = self.fileTreeWidget.currentItem().parent()
path = self.fpdict[current]
direction = self.childdict[current][1]
medium = NewSteganography(path, direction)
ex_message = medium.extractMessageFromMedium()
ex_messagetype = ex_message.messageType
"""Options for message extraction put back"""
if ex_messagetype == 'Text':
dcode = ex_message.findmessage() #finds the message in the xml file
msg = base64.b64decode(bytes(dcode, "UTF-8")) #decodes the base64 message
msg = str(msg, "UTF-8")
self.txtMessage.setPlainText(msg)
self.btnExtract.setEnabled(False)
elif ex_messagetype == 'ColorImage':
ex_message.saveToTarget('help.png')
self.displayimageinmessage('help.png')
self.btnExtract.setEnabled(False)
elif ex_messagetype == 'GrayImage':
ex_message.saveToTarget('help.png')
self.displayimageinmessage('help.png')
self.btnExtract.setEnabled(False)
def extract(self):
self.btnExtract.setEnabled(False)
self.txtMessage.setPlainText("")
self.scn.clear()
self.viewMessage.update()
if self.selectedfile in self.v: ### Instantiate a class based on the method
class1 = NewSteganography(self.path+"/"+self.selectedfile,"vertical") ### in which the message has been embedded in
else: ### the medium
class1 = NewSteganography(self.path+"/"+self.selectedfile,"horizontal")
tup = class1.checkIfMessageExists() ### if the message exists then display the
message = class1.extractMessageFromMedium() ### message on the stack widget using the
self.viewMessage.setEnabled(True) ### appropriate widget
self.lblImageMessage.setEnabled(True)
if tup[1] == "Text":
self.stackMessage.setCurrentIndex(1) ### Also update the message label below the
self.lblImageMessage.setText("Text") ### stacked widget
message.saveToTarget("save.txt")
filein = open("save.txt")
data = filein.read()
self.txtMessage.setPlainText(data)
elif tup[1] == 'ColorImage' or tup[1] == 'GrayImage':
self.stackMessage.setCurrentIndex(0)
self.lblImageMessage.setText("Image")
message.saveToTarget("save.png")
self.viewMessage.setScene(self.scn)
pixmap = QtGui.QPixmap("save.png")
PixItem = self.scn.addPixmap(pixmap)
self.viewMessage.fitInView(PixItem)
self.viewMessage.show()
def getPictures(self,path):
fileList = glob.glob(path+"/*.png")
#print (fileList[0])
for file in fileList:
#print (file)
file_name = file.split("/")[-1]
#print (file_name)
folder_name = file.split("/")[:-1]
#print (folder_name)
#folder_name =
st = ""
for s in folder_name:
st += "/"
st += s
st = st.strip("/")
st = "/"+st
#print ("llll="+st)
file_path = st + "/" +file_name
self.first_path = st
#print (file_path)
medium = NewSteganography(file_path,"horizontal")
o = medium.checkIfMessageExists()
medium2 = NewSteganography(file_path,"vertical")
o2 = medium2.checkIfMessageExists()
#print (o)
if o[0] == False and o2[0] == False:
item = QTreeWidgetItem()
item.setText(0,file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0,QBrush(QColor(0,0,255)))
elif o[0] == True:
#print (o)
item = QTreeWidgetItem()
item.setText(0,file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0,QBrush(QColor(255,0,0)))
child = QTreeWidgetItem()
child.setText(0,o[1])
child.setForeground(0,QBrush(QColor(0,255,0)))
item.addChild(child)
else:
item = QTreeWidgetItem()
item.setText(0,file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0,QBrush(QColor(255,0,0)))
#item.QFont.setBold(True)
child = QTreeWidgetItem()
child.setText(0,o2[1])
child.setForeground(0,QBrush(QColor(0,255,0)))
item.addChild(child)
def wipeMed(self): #the function that will wipe the medium
#now, we will pop up a QMessageBox dialog asking the user to confirm their action.
msgBox = QMessageBox()
msgBox.setText(
'Wiping the medium will remove all the contents from the medium.')
msgBox.setInformativeText('Are you sure you want to proceed?')
msgBox.setStandardButtons(
QMessageBox.Yes
| QMessageBox.No) #yes or no option provided to the user
ret = msgBox.exec_() #to see what the user enters
#print(type(ret))
if (ret == 65536): #i.e, the user selects the No option
#just go back and return from the function
return
else: #i.e, the user selects the Yes option
#clear the message display unit for both image and text, whichever is applicable
scene = QtGui.QGraphicsScene()
scene.clear()
self.viewMessage.setScene(scene)
self.txtMessage.clear()
self.btnWipeMedium.setEnabled(
False) #disable the wipe medium button
#create a new NewSteg obj with any direction of rasterization, it does not matter since wiping the medium will essentially work for all the pixels. Thus for our purposes, we will use 'horizontal' as direction of rasterization. 'vertical' would also work just fine.
self.grpMessage.setDisabled(
True) #diaable the stacked widget to display message
curr = self.fileTreeWidget.currentItem()
filename = curr.text(0)
curr.takeChild(0)
curr.setForeground(0, QtGui.QBrush(Qt.blue))
for i in range(0, len(self.imgType)):
if (filename == self.imgType[i][0]):
#print(self.imgType[i])
self.imgType[i] = (filename, (False, None))
#print(self.imgType[i])
break
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem(
).text(0) #get the current image file
stegobj = NewSteganography(
path, 'horizontal'
) #create a NewSteg obj with horizontal rasterization
stegobj.wipeMedium() #call the function to wipe the medium
'''
def additem(self, path, item):
self.fileTreeWidget.addTopLevelItem(item)
horizontalread = NewSteganography(path, 'horizontal')
verticalread = NewSteganography(path, 'vertical')
ah,bh = horizontalread.checkIfMessageExists()
av,bv = verticalread.checkIfMessageExists()
if ah == True:
item.setForeground(0,QtGui.QBrush(QtGui.QColor("#FF0000")))
item.addChild(QTreeWidgetItem([bh]))
self.childdict[item] = [bh, 'horizontal']
elif av == True:
item.setForeground(0,QtGui.QBrush(QtGui.QColor("#FF0000")))
item.addChild(QTreeWidgetItem([bv]))
self.childdict[item] = [bv, 'vertical']
else:
item.setForeground(0,QtGui.QBrush(QtGui.QColor("#0000FF")))
def wipe(self):
rest = QtGui.QMessageBox.question(self, 'title', 'message',
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.No)
if rest == QtGui.QMessageBox.Yes:
self.mode(False)
item = self.fileTreeWidget.currentItem()
subitem = item.child(0)
dir = subitem.text(1)
stegan = NewSteganography(self.imagepath, direction=dir)
stegan.wipeMedium()
item.removeChild(subitem)
item.setForeground(0, QBrush(QColor(0, 0, 255)))
foont = QtGui.QFont()
foont.setBold(False)
item.setFont(0, foont)
def extracting(self):
# Pull values from the saved data
path, direction, messageType = self.data
self.btnExtract.setDisabled(True)
# Check for message type
if(messageType == 'Text'):
# Change the current index
self.stackMessage.setCurrentIndex(1)
# Extract the message from the medium, and decode the base64 encoding
n = NewSteganography(imagePath = path, direction = direction)
message = n.extractMessageFromMedium()
temporary = message.getXmlString()
_, _, message, _ = message.xmlParse(temporary)
textMessage = base64.b64decode(bytes(message, "UTF-8")).decode("ascii")
# Clear the current text, then insert the text message
self.txtMessage.clear()
self.txtMessage.insertPlainText(textMessage)
elif(messageType in ['GrayImage', 'ColorImage']):
# Change the current index
self.stackMessage.setCurrentIndex(0)
# Create a new scene
newScene = QGraphicsScene()
n = NewSteganography(imagePath = path, direction = direction)
# Extract the message
messageToDisplay = n.extractMessageFromMedium()
# Save the message to a temp file
messageToDisplay.saveToTarget('.temp123.png')
pixels = newScene.addPixmap(QPixmap('.temp123.png'))
# Paint the extracted imaged
self.viewMessage.setScene(newScene)
self.viewMessage.fitInView(pixels, Qt.KeepAspectRatio)
os.remove('.temp123.png')
# Clear the text graphics view
self.txtMessage.clear()
def wipeMed(self):#the function that will wipe the medium
#now, we will pop up a QMessageBox dialog asking the user to confirm their action.
msgBox = QMessageBox()
msgBox.setText('Wiping the medium will remove all the contents from the medium.')
msgBox.setInformativeText('Are you sure you want to proceed?')
msgBox.setStandardButtons(QMessageBox.Yes | QMessageBox.No) #yes or no option provided to the user
ret = msgBox.exec_() #to see what the user enters
#print(type(ret))
if (ret == 65536): #i.e, the user selects the No option
#just go back and return from the function
return
else: #i.e, the user selects the Yes option
#clear the message display unit for both image and text, whichever is applicable
scene = QtGui.QGraphicsScene()
scene.clear()
self.viewMessage.setScene(scene)
self.txtMessage.clear()
self.btnWipeMedium.setEnabled(False) #disable the wipe medium button
#create a new NewSteg obj with any direction of rasterization, it does not matter since wiping the medium will essentially work for all the pixels. Thus for our purposes, we will use 'horizontal' as direction of rasterization. 'vertical' would also work just fine.
self.grpMessage.setDisabled(True) #diaable the stacked widget to display message
curr = self.fileTreeWidget.currentItem() #get the current tree widget, ie the current filename
filename = curr.text(0) #get the text filename
curr.takeChild(0) #remove the child
curr.setForeground(0, QtGui.QBrush(Qt.blue)) #make color of filename in tree widget to appear to blue
for i in range(0, len(self.imgType)): #now change the imgType list for the particulae filename, ie message type is none
if (filename == self.imgType[i][0]):
#print(self.imgType[i])
self.imgType[i] = (filename, (False, None))
#print(self.imgType[i])
break #break out of loop to save time
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem().text(0) #get the current image file
stegobj = NewSteganography(path, 'horizontal') #create a NewSteg obj with horizontal rasterization
stegobj.wipeMedium() #call the function to wipe the medium
'''
def imgToMsgType(self): #the function that maps each image to the kind of message, if applicable
path = self.directorySelected + '/' #the target image path woth the directory path that will be appended to each image file
for i in self.imgFiles: #for all the image files
#for each image, since we don't know the kind of rasterization, we will first try with horizontal, then vertical, otherwise if both return false, we will return false
imagePath = path + i #the image path
#print(imagePath)
hor_res = tuple #to store the result of horizontal rasterization
ver_res = tuple #to store the result of horizontal rasterization
newstegobj = NewSteganography(imagePath, 'horizontal')
hor_res = newstegobj.checkIfMessageExists()
if (hor_res[0] == True): #if horizontally rasterized and message exists
tup = tuple
tup = (i, hor_res) #make the tuple that maps the image name to the type of embedded message
self.imgType.append(tup) #append to the list that stores for all the image files information about type of message embedded
continue #go on to the next image file
else: #either not horizontally rasterized or no message at all, we will now check for vertical rasterization
newstegobj = NewSteganography(imagePath, 'vertical')
ver_res = newstegobj.checkIfMessageExists()
if (ver_res[0] == True): #if vertically rasterized and message exists
tup = tuple
tup = (i, ver_res) #make the tuple that maps the image name to the type of embedded message
self.imgType.append(tup) #append to the list that stores for all the image files information about type of message embedded
else: #neither horizontal nor vertical => no message embedded
tup = tuple
tup = (i, ver_res) #make the tuple that maps the image name to the type of embedded message
self.imgType.append(tup) #append to the list that stores for all the image files information about type of message embedded
continue #go on to the next image file
def setupFileTree(self):
#Keep a dictionary to track which files had messages in them
hidden_message_types = dict()
file_paths = glob(self.directory + "/*.png")
files = [os.path.basename(path) for path in file_paths]
if(files == []):
return
#Go through each of the files and check if they have a message in them
for file in files :
try:
steg = NewSteganography(self.directory + "/" + file)
except TypeError:
continue
#Add each element into the treeview appropriately
child = QTreeWidgetItem()
child.setText(0,file)
exists, type = steg.checkIfMessageExists()
hidden_message_types[file] = type
#If it has a message inside, color and extend appropriately
if(exists) :
child.setForeground(0,QtGui.QBrush(Qt.red))
second_child = QTreeWidgetItem()
second_child.setText(0,type)
second_child.setForeground(0,QtGui.QBrush(Qt.green))
child.addChild(second_child)
else:
child.setForeground(0,QtGui.QBrush(Qt.blue))
self.fileTreeWidget.addTopLevelItem(child)
#Expand all the list items and update the dictionary
self.fileTreeWidget.expandAll()
self.hidden_message_dict = hidden_message_types
def getPictures(self, path):
fileList = glob.glob(path + "/*.png")
#print (fileList[0])
for file in fileList:
#print (file)
file_name = file.split("/")[-1]
#print (file_name)
folder_name = file.split("/")[:-1]
#print (folder_name)
#folder_name =
st = ""
for s in folder_name:
st += "/"
st += s
st = st.strip("/")
st = "/" + st
#print ("llll="+st)
file_path = st + "/" + file_name
self.first_path = st
#print (file_path)
medium = NewSteganography(file_path, "horizontal")
o = medium.checkIfMessageExists()
medium2 = NewSteganography(file_path, "vertical")
o2 = medium2.checkIfMessageExists()
#print (o)
if o[0] == False and o2[0] == False:
item = QTreeWidgetItem()
item.setText(0, file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0, QBrush(QColor(0, 0, 255)))
elif o[0] == True:
#print (o)
item = QTreeWidgetItem()
item.setText(0, file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0, QBrush(QColor(255, 0, 0)))
child = QTreeWidgetItem()
child.setText(0, o[1])
child.setForeground(0, QBrush(QColor(0, 255, 0)))
item.addChild(child)
else:
item = QTreeWidgetItem()
item.setText(0, file_name)
self.fileTreeWidget.addTopLevelItem(item)
item.setForeground(0, QBrush(QColor(255, 0, 0)))
#item.QFont.setBold(True)
child = QTreeWidgetItem()
child.setText(0, o2[1])
child.setForeground(0, QBrush(QColor(0, 255, 0)))
item.addChild(child)
def wipe(self):
"""
cleans the message from the medium and refreshes the item based on the new properties of the medium
:return:
"""
msgbox = QMessageBox()
msgbox.setText("Are you sure you want to wipe the medium?")
msgbox.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
option = msgbox.exec_()
if option == QMessageBox.No:
pass
elif option == QMessageBox.Yes:
self.viewMessage.setHidden(True)
self.txtMessage.setHidden(True)
current = self.fileTreeWidget.currentItem()
path = self.fpdict[current]
direction = self.childdict[current][1]
medium = NewSteganography(path, direction)
medium.wipeMedium()
scene = QGraphicsScene()
self.viewMessage.setScene(scene)
current.takeChild(0)
self.fileTreeWidget.removeItemWidget(current, 0)
self.additem(path, current)
def __init__(self, parent=None):
super(SteganographyBrowser, self).__init__(parent)
self.setupUi(self)
self.path = QtGui.QFileDialog.getExistingDirectory()
if not self.path:
exit()
# print(self.path)
foldername = self.path.split('/')[-1]
# print(foldername)
self.fileTreeWidget.setHeaderLabel(foldername)
filelist = glob.glob(self.path + '/*.png')
# print(filelist)
# treeWidget = self.fileTreeWidget
# treeWidget.setColumnCount(1)
items = []
for files in filelist:
# the try-except part prevent color image from adding into the widget
try:
stegan = NewSteganography(files)
# print(files)
exist, ttype = stegan.checkIfMessageExists()
if exist is False:
stegan = NewSteganography(files, 'vertical')
exist, ttype = stegan.checkIfMessageExists()
item = QTreeWidgetItem(self.fileTreeWidget)
name = files.split('/')[-1]
# name = re.findall(r'/.*/(.*?\.png)', files)
# print(name)
# print(files)
item.setText(0, name)
if exist is False:
item.setForeground(0, QBrush(QColor(0, 0, 255)))
else:
item.setForeground(0, QBrush(QColor(255, 0, 0)))
foont = QtGui.QFont()
foont.setBold(True)
item.setFont(0, foont)
son = QTreeWidgetItem(item)
son.setText(0, ttype)
son.setForeground(0, QBrush(QColor(0, 255, 0)))
items += [item]
except:
pass
#
self.fileTreeWidget.addTopLevelItems(items)
self.mode(False)
self.fileTreeWidget.itemClicked.connect(self.display)
def extractMessage(self): #the function to extract the message
#print(self.stackMessage.currentIndex())
#self.stackMessage.setCurrentIndex(1)
#first of all, if it reaches this position then we know that the medium embeds a message, otherwise Extract Message button will be disabled. So, our first order of business will be figure out if the message embedded is Text or Image (Gray/Color), and then set the StackWidget frame to Text or Graphics accordingly
self.grpMessage.setDisabled(False) #enable the stacked widget to display message
typeOfMsg = self.fileTreeWidget.currentItem().child(0).text(0) #get the type of message corresponding to the medium
if (typeOfMsg == 'ColorImage') or (typeOfMsg == 'GrayImage'):#if it is a form of image that is embedded
self.stackMessage.setCurrentIndex(0)#then work in the graphics view
#now that we have set to graphics view, we have to get the message out and display it on the frame
#first of all, make a NewSteganography object with imagePath as the current image file that is chosen and a direction as horizontal. If horizontal produces a None message from extraction, then try vertical rasterization.
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem().text(0) #get the current image file
stegobj = NewSteganography(path, 'horizontal') #create a NewSteg obj with horizontal rasterization
msg = stegobj.extractMessageFromMedium()
targetPath = 'putMsg.png' #the target path where the message will be stored, this will be deleted eventually
if (msg is None): #basically horizontal rasterization did not work
stegobj = NewSteganography(path, 'vertical') #create a NewSteg obj with vertical rasterization
msg2 = stegobj.extractMessageFromMedium() #now this will have produced a message
msg2.saveToTarget(targetPath) #put the message in the target path image file
else: #horizontal rasterization worked
msg.saveToTarget(targetPath) #put the message in the target path image file
#now, its time to put the message in the Graphics View widget
scene = QGraphicsScene()
scene.addPixmap(QPixmap(targetPath))
self.viewMessage.setScene(scene)
self.viewMessage.fitInView(self.viewMessage.sceneRect(), QtCore.Qt.KeepAspectRatio) #put the image in the Graphics View widget and fit it to scale such that no scrolling is required
os.remove(targetPath)#remove the message file created
else: #if it is a text
self.stackMessage.setCurrentIndex(1)#the work in the line edit
#first of all, make a NewSteganography object with imagePath as the current image file that is chosen and a direction as horizontal. If horizontal produces a None message from extraction, then try vertical rasterization.
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem().text(0) #get the current image file
stegobj = NewSteganography(path, 'horizontal') #create a NewSteg obj with horizontal rasterization
msg = stegobj.extractMessageFromMedium()
targetPath = 'putMsg.txt' #the target path where the message will be stored, this will be deleted eventually
if (msg is None): #basically horizontal rasterization did not work
stegobj = NewSteganography(path, 'vertical') #create a NewSteg obj with vertical rasterization
msg2 = stegobj.extractMessageFromMedium() #now this will have produced a message
msg2.saveToTarget(targetPath) #put the message in the target path image file
else: #horizontal rasterization worked
msg.saveToTarget(targetPath) #put the message in the target path image file
f = open(targetPath, 'r') #open the target file text file for reading from
txt = f.read() #read all the contents of the file
self.txtMessage.setPlainText(txt) #write the message contents to the text editor's contents
os.remove(targetPath)#remove the message file created
self.btnExtract.setEnabled(False) #disable the extract message button
def __init__(self, parent=None):
super(SteganographyBrowser, self).__init__(parent)
self.setupUi(self)
self.path = QtGui.QFileDialog.getExistingDirectory()
if not self.path:
exit()
foldername = self.path.split('/')[-1]
self.fileTreeWidget.setHeaderLabel(foldername)
filelist = glob.glob(self.path + '/*.png')
items = []
for files in filelist:
# the try-except part prevent color image from adding into the widget
try:
stegan = NewSteganography(files)
exist, ttype = stegan.checkIfMessageExists()
direction = 'horizontal'
if exist is False:
direction = 'vertical'
stegan = NewSteganography(files, 'vertical')
exist, ttype = stegan.checkIfMessageExists()
item = QTreeWidgetItem(self.fileTreeWidget)
name = files.split('/')[-1]
item.setText(0, name)
if exist is False:
item.setForeground(0, QBrush(QColor(0, 0, 255)))
else:
item.setForeground(0, QBrush(QColor(255, 0, 0)))
foont = QtGui.QFont()
foont.setBold(True)
item.setFont(0, foont)
son = QTreeWidgetItem(item)
son.setText(0, ttype)
son.setText(1, direction)
son.setForeground(0, QBrush(QColor(0, 255, 0)))
items += [item]
except:
pass
self.fileTreeWidget.addTopLevelItems(items)
self.mode(False)
self.fileTreeWidget.itemClicked.connect(self.display)
self.btnExtract.clicked.connect(self.extract)
self.btnWipeMedium.clicked.connect(self.wipe)
def wipe(self):
box = QMessageBox() ### Creates a cautionary message box
reply = box.question(None,"Caution","Wiped message cannot be recovered.Do you want to proceed?",QMessageBox.Ok | QMessageBox.Cancel)
if reply == QMessageBox.Ok: ### If okay is pressed execute the below code
if self.selectedfile in self.v:
class1 = NewSteganography(self.path+"/"+self.selectedfile,"vertical")
class1.wipeMedium() ### if the item has vertically embedded
self.v.remove(self.selectedfile) ### message then wipe the message
self.btnExtract.setEnabled(False) ### and remove the item and its child from
self.btnWipeMedium.setEnabled(False) ### tree widget
item = QTreeWidgetItem([self.selectedfile])
olditem = self.fileTreeWidget.selectedItems()[0]
child = olditem.takeChildren()
self.dict[self.selectedfile] = "0"
self.fileTreeWidget.takeTopLevelItem(self.fileTreeWidget.indexOfTopLevelItem(olditem))
item.setText(0,"{0}".format(olditem.text(0)))
item.setForeground(0,QtGui.QBrush(Qt.blue))
self.blueitems.append(item)
self.fileTreeWidget.addTopLevelItem(item)
self.fileTreeWidget.removeItemWidget(item,0)
else:
class1 = NewSteganography(self.path+"/"+self.selectedfile,"horizontal")
class1.wipeMedium() ### if the item has horizontally embedded
self.h.remove(self.selectedfile) ### message then wipe the message and
self.btnExtract.setEnabled(False) ### remove the item and its child from the
self.btnWipeMedium.setEnabled(False) ### tree widget
item = QTreeWidgetItem([self.selectedfile])
olditem = self.fileTreeWidget.selectedItems()[0]
child = olditem.takeChildren()
self.dict[self.selectedfile] = "0"
self.fileTreeWidget.takeTopLevelItem(self.fileTreeWidget.indexOfTopLevelItem(olditem))
item.setText(0,"{0}".format(olditem.text(0)))
item.setForeground(0,QtGui.QBrush(Qt.blue))
self.blueitems.append(item)
self.fileTreeWidget.addTopLevelItem(item)
self.fileTreeWidget.removeItemWidget(item,0)
self.extract()
def extractMessage(self): #the function to extract the message
#print(self.stackMessage.currentIndex())
#self.stackMessage.setCurrentIndex(1)
#first of all, if it reaches this position then we know that the medium embeds a message, otherwise Extract Message button will be disabled. So, our first order of business will be figure out if the message embedded is Text or Image (Gray/Color), and then set the StackWidget frame to Text or Graphics accordingly
self.grpMessage.setDisabled(
False) #enable the stacked widget to display message
typeOfMsg = self.fileTreeWidget.currentItem().child(0).text(
0) #get the type of message corresponding to the medium
if (typeOfMsg == 'ColorImage') or (
typeOfMsg
== 'GrayImage'): #if it is a form of image that is embedded
self.stackMessage.setCurrentIndex(
0) #then work in the graphics view
#now that we have set to graphics view, we have to get the message out and display it on the frame
#first of all, make a NewSteganography object with imagePath as the current image file that is chosen and a direction as horizontal. If horizontal produces a None message from extraction, then try vertical rasterization.
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem(
).text(0) #get the current image file
stegobj = NewSteganography(
path, 'horizontal'
) #create a NewSteg obj with horizontal rasterization
msg = stegobj.extractMessageFromMedium()
targetPath = 'putMsg.png' #the target path where the message will be stored, this will be deleted eventually
if (msg is None): #basically horizontal rasterization did not work
stegobj = NewSteganography(
path, 'vertical'
) #create a NewSteg obj with vertical rasterization
msg2 = stegobj.extractMessageFromMedium(
) #now this will have produced a message
msg2.saveToTarget(
targetPath) #put the message in the target path image file
else: #horizontal rasterization worked
msg.saveToTarget(
targetPath) #put the message in the target path image file
#now, its time to put the message in the Graphics View widget
scene = QGraphicsScene()
scene.addPixmap(QPixmap(targetPath))
self.viewMessage.setScene(scene)
self.viewMessage.fitInView(
self.viewMessage.sceneRect(), QtCore.Qt.KeepAspectRatio
) #put the image in the Graphics View widget and fit it to scale such that no scrolling is required
os.remove(targetPath) #remove the message file created
else: #if it is a text
self.stackMessage.setCurrentIndex(1) #the work in the line edit
#first of all, make a NewSteganography object with imagePath as the current image file that is chosen and a direction as horizontal. If horizontal produces a None message from extraction, then try vertical rasterization.
path = self.directorySelected + '/' + self.fileTreeWidget.currentItem(
).text(0) #get the current image file
stegobj = NewSteganography(
path, 'horizontal'
) #create a NewSteg obj with horizontal rasterization
msg = stegobj.extractMessageFromMedium()
targetPath = 'putMsg.txt' #the target path where the message will be stored, this will be deleted eventually
if (msg is None): #basically horizontal rasterization did not work
stegobj = NewSteganography(
path, 'vertical'
) #create a NewSteg obj with vertical rasterization
msg2 = stegobj.extractMessageFromMedium(
) #now this will have produced a message
msg2.saveToTarget(
targetPath) #put the message in the target path image file
else: #horizontal rasterization worked
msg.saveToTarget(
targetPath) #put the message in the target path image file
f = open(targetPath,
'r') #open the target file text file for reading from
txt = f.read() #read all the contents of the file
self.txtMessage.setPlainText(
txt) #write the message contents to the text editor's contents
os.remove(targetPath) #remove the message file created
self.btnExtract.setEnabled(False) #disable the extract message button
def displayMedium(self):
self.grpMedium.setEnabled(True)
#self.grpMessage.setEnabled(False)
self.btnWipeMedium.setEnabled(False)
self.btnExtract.setEnabled(False)
print ("displayMdium")
it = self.fileTreeWidget.currentItem()
self.item = it
#self.it = it
file_name = it.text(0)
self.file_path = self.first_path+"/"+file_name
print (file_name)
scene = QGraphicsScene()
self.viewMedium.setScene(scene)
pix_map = QPixmap(self.file_path)
pix_it = QGraphicsPixmapItem(pix_map)
scene.addItem(pix_it)
#scene.setSceneRect(0,0,250,250)
self.viewMedium.fitInView(scene.sceneRect(),Qt.KeepAspectRatio)
self.viewMedium.show()
self.txtMessage.setPlainText("")
sc = QGraphicsScene()
self.viewMessage.setScene(sc)
medium = NewSteganography(self.file_path,"horizontal")
#self.medium = medium
medium2 = NewSteganography(self.file_path,"vertical")
#self.medium2 = medium2
o = medium.checkIfMessageExists()
o2 = medium2.checkIfMessageExists()
print ("o"+str(o[0]))
print ("o2[0]"+str(o2[0]))
if o[0] == True or o2[0] == True:
self.btnWipeMedium.setEnabled(True)
self.btnExtract.setEnabled(True)
self.grpMessage.setEnabled(True)
if o[1] == "GrayImage" or o[1] == "ColorImage":
print ("case1start")
self.stackMessage.setCurrentWidget(self.pgImage)
message = medium.extractMessageFromMedium()
target = "extract.png"
self.target = target
self.type = "Image"
message.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractImage(target))
self.medium = medium
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print ("case1end")
#self.btnWipeMedium.clicked.connect(lambda: self.wipe(self.file_path))
elif o2[1] == "GrayImage" or o2[1] == "ColorImage":
print ("case2start")
#self.grpMessage.setEnabled(True)
self.stackMessage.setCurrentWidget(self.pgImage)
message2 = medium2.extractMessageFromMedium()
target = "extract.png"
self.target = target
self.type = "Image"
message2.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractImage(target))
self.medium = medium2
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print ("case2end")
#self.btnWipeMedium.clicked.connect(lambda: self.wipe(self.file_path))
elif o[1] == "Text":
print ("case3start")
self.stackMessage.setCurrentWidget(self.pgText)
message = medium.extractMessageFromMedium()
target = "extract.txt"
self.target = target
self.type = "Text"
message.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractText(target))
self.medium = medium
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print ("case3end")
else:
print ("case4tart")
self.stackMessage.setCurrentWidget(self.pgText)
message2 = medium2.extractMessageFromMedium()
target = "extract.txt"
self.target = target
self.type = "Text"
message2.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractText(target))
self.medium = medium2
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print ("case4end")
else:
print ("caseNonestart")
self.btnWipeMedium.setEnabled(False)
self.btnExtract.setEnabled(False)
self.grpMessage.setEnabled(False)
print ("caseNoneend")
def displayMedium(self):
self.grpMedium.setEnabled(True)
#self.grpMessage.setEnabled(False)
self.btnWipeMedium.setEnabled(False)
self.btnExtract.setEnabled(False)
print("displayMdium")
it = self.fileTreeWidget.currentItem()
self.item = it
#self.it = it
file_name = it.text(0)
self.file_path = self.first_path + "/" + file_name
print(file_name)
scene = QGraphicsScene()
self.viewMedium.setScene(scene)
pix_map = QPixmap(self.file_path)
pix_it = QGraphicsPixmapItem(pix_map)
scene.addItem(pix_it)
#scene.setSceneRect(0,0,250,250)
self.viewMedium.fitInView(scene.sceneRect(), Qt.KeepAspectRatio)
self.viewMedium.show()
self.txtMessage.setPlainText("")
sc = QGraphicsScene()
self.viewMessage.setScene(sc)
medium = NewSteganography(self.file_path, "horizontal")
#self.medium = medium
medium2 = NewSteganography(self.file_path, "vertical")
#self.medium2 = medium2
o = medium.checkIfMessageExists()
o2 = medium2.checkIfMessageExists()
print("o" + str(o[0]))
print("o2[0]" + str(o2[0]))
if o[0] == True or o2[0] == True:
self.btnWipeMedium.setEnabled(True)
self.btnExtract.setEnabled(True)
self.grpMessage.setEnabled(True)
if o[1] == "GrayImage" or o[1] == "ColorImage":
print("case1start")
self.stackMessage.setCurrentWidget(self.pgImage)
message = medium.extractMessageFromMedium()
target = "extract.png"
self.target = target
self.type = "Image"
message.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractImage(target))
self.medium = medium
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print("case1end")
#self.btnWipeMedium.clicked.connect(lambda: self.wipe(self.file_path))
elif o2[1] == "GrayImage" or o2[1] == "ColorImage":
print("case2start")
#self.grpMessage.setEnabled(True)
self.stackMessage.setCurrentWidget(self.pgImage)
message2 = medium2.extractMessageFromMedium()
target = "extract.png"
self.target = target
self.type = "Image"
message2.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractImage(target))
self.medium = medium2
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print("case2end")
#self.btnWipeMedium.clicked.connect(lambda: self.wipe(self.file_path))
elif o[1] == "Text":
print("case3start")
self.stackMessage.setCurrentWidget(self.pgText)
message = medium.extractMessageFromMedium()
target = "extract.txt"
self.target = target
self.type = "Text"
message.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractText(target))
self.medium = medium
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print("case3end")
else:
print("case4tart")
self.stackMessage.setCurrentWidget(self.pgText)
message2 = medium2.extractMessageFromMedium()
target = "extract.txt"
self.target = target
self.type = "Text"
message2.saveToTarget(target)
#self.btnExtract.clicked.connect(lambda: self.extractText(target))
self.medium = medium2
#self.btnWipeMedium.clicked.connect(self.boxQuestion)
print("case4end")
else:
print("caseNonestart")
self.btnWipeMedium.setEnabled(False)
self.btnExtract.setEnabled(False)
self.grpMessage.setEnabled(False)
print("caseNoneend")
def __init__(self,parent = None):
super(SteganographyGUI,self).__init__(parent)
self.setupUi(self)
filepath = QFileDialog.getExistingDirectory(self,"open folder only",Options = QFileDialog.ShowDirsOnly)
if not filepath:
sys.exit(1)
self.selectedfile = ""
self.path = filepath
newfilepath = str(filepath).split("/")
filesd = newfilepath[-1]
self.fileTreeWidget.setHeaderLabel(newfilepath[-1]) ### Labelling the treewidget with
self.scn = QGraphicsScene() ### the file path
self.btnExtract.clicked.connect(self.extract)
self.btnExtract.setEnabled(False)
self.btnWipeMedium.setEnabled(False)
self.viewMedium.setEnabled(False)
self.viewMessage.setEnabled(False)
self.lblImageMessage.setEnabled(False)
blue = []
vertical = []
horizontal = []
files = glob.glob(str(filepath)+"/*.png")
for f in files: ### Sorting the files as per image
f = f.split("/")[-1] ### content and the method in which
y = re.findall('(v|h)',f) ### the message is saved
if not y: ### E.g horizontal or vertical
blue.append(f)
elif y[0] == 'v':
im = Image.open(str(filepath)+"/"+f)
if im.mode == 'L':
vertical.append(f)
else:
blue.append(f)
elif y[0] == 'h':
im = Image.open(str(filepath)+"/"+f)
if im.mode == 'L':
horizontal.append(f)
else:
blue.append(f)
self.b = blue
self.v = copy.deepcopy(vertical)
self.h = copy.deepcopy(horizontal)
self.dict = {} ### Creating a dictionary that holds
### all the message images and the type
self.blueitems = [] ### messages they contain if any
for f in range(len(blue)):
item = QTreeWidgetItem()
item.setText(0,"{0}".format(blue[f])) ### Create item widgets for files with
item.setForeground(0,QtGui.QBrush(Qt.blue)) ### no content in them
self.blueitems.append(item)
self.dict[blue[f]] = "0"
x = f + 1
self.verticalitems = []
for f in range(len(vertical)): ### Create a list of item widgets from
item = QTreeWidgetItem(["{0}".format(vertical[f])]) ### message mediums that have vertical
class1 = NewSteganography(str(filepath+"/" + vertical[f]),'vertical') ### messages embedded in them.
tup = class1.checkIfMessageExists()
if tup[0]:
item.addChild(QTreeWidgetItem([tup[1]]))
self.dict[vertical[f]] = tup[1]
item.setForeground(0,QtGui.QBrush(Qt.red))
self.verticalitems.append(item)
else:
self.dict[vertical[f]] = tup[1]
item.setForeground(0,QtGui.QBrush(Qt.blue))
self.blueitems.append(item)
self.v.remove(vertical[f])
for f in range(len(self.verticalitems)):
self.fileTreeWidget.addTopLevelItem(self.verticalitems[f])
x += f + 1
self.horizontalitems = []
for f in range(len(horizontal)): ### Create a list of item widgets from
item = QTreeWidgetItem(["{0}".format(horizontal[f])]) ### message mediums that have horizontal
class1 = NewSteganography(str(filepath+"/" + horizontal[f]),'horizontal') ### messages embedded in them.
tup = class1.checkIfMessageExists()
if tup[0]:
item.addChild(QTreeWidgetItem([tup[1]]))
self.dict[horizontal[f]] = tup[1]
item.setForeground(0,QtGui.QBrush(Qt.red))
self.horizontalitems.append(item)
else:
self.dict[horizontal[f]] = tup[1]
item.setForeground(0,QtGui.QBrush(Qt.blue))
self.blueitems.append(item)
self.h.remove(horizontal[f])
for f in range(len(self.horizontalitems)):
self.fileTreeWidget.addTopLevelItem(self.horizontalitems[f])
for f in range(len(self.blueitems)):
self.fileTreeWidget.insertTopLevelItem(f,self.blueitems[f])
self.fileTreeWidget.itemSelectionChanged.connect(self.blueClick)
self.btnExtract.clicked.connect(self.extract)
self.btnWipeMedium.clicked.connect(self.wipe)
