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lsb_steganography_GUI.pyw
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#!/usr/bin/python3
"""
GUI program for LSB Steganography in Python 3
Requirements: PyQt5, OpenCV, NumPy, Crypography
Author: Suman Adhikari
GitHub: https://github.com/int-main
"""
from PyQt5 import QtCore, QtGui, QtWidgets
import lsb_steganography as stego
class Ui_MainWindow(object):
#Function to display message/error/information
def displayMsg(self,title,msg,ico_type=None):
MsgBox = QtWidgets.QMessageBox()
MsgBox.setText(msg)
MsgBox.setWindowTitle(title)
if ico_type == 'err':
ico = QtWidgets.QMessageBox.Critical
else:
ico = QtWidgets.QMessageBox.Information
MsgBox.setIcon(ico)
MsgBox.exec()
#Function to choose input file
def getFile(self):
file_path = QtWidgets.QFileDialog.getOpenFileName(None, 'Open file','',"Image files (*.jpg *.png *.bmp)")[0]
if file_path != '':
self.lineEdit.setText(file_path)
#Function to display save file dialog
def saveFile(self):
output_path = QtWidgets.QFileDialog.getSaveFileName(None, 'Save encoded file','',"PNG File(*.png)")[0]
return output_path
#Function to encode data and save file
def encode(self):
input_path = self.lineEdit.text()
text = self.plainTextEdit.toPlainText()
password = self.lineEdit_2.text()
if input_path == '':
self.displayMsg('Error: No file chosen','You must select input image file!','err')
elif text == '':
self.displayMsg('Text is empty','Please enter some text to hide!')
elif password == '':
self.displayMsg('Error: No password given','Please enter a password!','err')
else:
output_path = self.saveFile()
if output_path == '':
self.displayMsg('Operation cancelled','Operation cancelled by user!')
else:
try:
loss = stego.encode(input_path,text,output_path,password,self.progressBar)
except stego.FileError as fe:
self.displayMsg('File Error',str(fe),'err')
except stego.DataError as de:
self.displayMsg('Data Error',str(de),'err')
else:
self.displayMsg('Success','Encoded Successfully!\n\nImage Data Loss = {:.5f} %'.format(loss))
self.progressBar.setValue(0)
#Function to decode data
def decode(self):
input_path = self.lineEdit.text()
password = self.lineEdit_3.text()
if input_path == '':
self.displayMsg('Error: No file chosen','You must select input image file!','err')
elif password == '':
self.displayMsg('Error: No password given','Please enter a password!','err')
else:
try:
data = stego.decode(input_path,password,self.progressBar_2)
except stego.FileError as fe:
self.displayMsg('File Error',str(fe),'err')
except stego.PasswordError as pe:
self.displayMsg('Password Error',str(pe),'err')
self.progressBar_2.setValue(0)
else:
self.displayMsg('Success','Decoded successfully!')
self.plainTextEdit_2.document().setPlainText(data)
self.progressBar_2.setValue(0)
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(811, 575)
MainWindow.setAutoFillBackground(False)
MainWindow.setStyleSheet("")
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayout_5 = QtWidgets.QVBoxLayout(self.centralwidget)
self.verticalLayout_5.setObjectName("verticalLayout_5")
spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_5.addItem(spacerItem)
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_2.addItem(spacerItem1)
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setObjectName("label_4")
self.horizontalLayout_2.addWidget(self.label_4)
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setObjectName("label_3")
self.horizontalLayout_2.addWidget(self.label_3)
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setObjectName("lineEdit")
self.horizontalLayout_2.addWidget(self.lineEdit)
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setAutoFillBackground(False)
self.pushButton.setAutoDefault(True)
self.pushButton.setObjectName("pushButton")
self.horizontalLayout_2.addWidget(self.pushButton)
spacerItem2 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_2.addItem(spacerItem2)
self.verticalLayout_5.addLayout(self.horizontalLayout_2)
spacerItem3 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_5.addItem(spacerItem3)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setObjectName("label")
self.horizontalLayout.addWidget(self.label)
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setObjectName("label_2")
self.horizontalLayout.addWidget(self.label_2)
self.verticalLayout_5.addLayout(self.horizontalLayout)
self.horizontalLayout_5 = QtWidgets.QHBoxLayout()
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
spacerItem4 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem4)
self.verticalLayout_2 = QtWidgets.QVBoxLayout()
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.verticalLayout = QtWidgets.QVBoxLayout()
self.verticalLayout.setObjectName("verticalLayout")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setObjectName("label_5")
self.verticalLayout.addWidget(self.label_5)
self.label_7 = QtWidgets.QLabel(self.centralwidget)
self.label_7.setObjectName("label_7")
self.verticalLayout.addWidget(self.label_7)
self.plainTextEdit = QtWidgets.QPlainTextEdit(self.centralwidget)
self.plainTextEdit.setObjectName("plainTextEdit")
self.verticalLayout.addWidget(self.plainTextEdit)
self.verticalLayout_2.addLayout(self.verticalLayout)
spacerItem5 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_2.addItem(spacerItem5)
self.label_8 = QtWidgets.QLabel(self.centralwidget)
self.label_8.setObjectName("label_8")
self.verticalLayout_2.addWidget(self.label_8)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.label_9 = QtWidgets.QLabel(self.centralwidget)
self.label_9.setObjectName("label_9")
self.horizontalLayout_3.addWidget(self.label_9)
self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_2.setInputMethodHints(QtCore.Qt.ImhNone)
self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password)
self.lineEdit_2.setObjectName("lineEdit_2")
self.horizontalLayout_3.addWidget(self.lineEdit_2)
self.checkBox = QtWidgets.QCheckBox(self.centralwidget)
self.checkBox.setObjectName("checkBox")
self.horizontalLayout_3.addWidget(self.checkBox)
self.verticalLayout_2.addLayout(self.horizontalLayout_3)
spacerItem6 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_2.addItem(spacerItem6)
self.horizontalLayout_6 = QtWidgets.QHBoxLayout()
self.horizontalLayout_6.setObjectName("horizontalLayout_6")
self.label_11 = QtWidgets.QLabel(self.centralwidget)
self.label_11.setObjectName("label_11")
self.horizontalLayout_6.addWidget(self.label_11)
self.progressBar = QtWidgets.QProgressBar(self.centralwidget)
self.progressBar.setProperty("value", 0)
self.progressBar.setTextVisible(True)
self.progressBar.setObjectName("progressBar")
self.horizontalLayout_6.addWidget(self.progressBar)
self.verticalLayout_2.addLayout(self.horizontalLayout_6)
spacerItem7 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_2.addItem(spacerItem7)
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setObjectName("pushButton_2")
self.verticalLayout_2.addWidget(self.pushButton_2, 0, QtCore.Qt.AlignHCenter)
self.horizontalLayout_5.addLayout(self.verticalLayout_2)
spacerItem8 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem8)
self.line = QtWidgets.QFrame(self.centralwidget)
self.line.setFrameShape(QtWidgets.QFrame.VLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.horizontalLayout_5.addWidget(self.line)
spacerItem9 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem9)
self.verticalLayout_4 = QtWidgets.QVBoxLayout()
self.verticalLayout_4.setObjectName("verticalLayout_4")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setObjectName("label_6")
self.verticalLayout_4.addWidget(self.label_6)
self.horizontalLayout_4 = QtWidgets.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.label_10 = QtWidgets.QLabel(self.centralwidget)
self.label_10.setObjectName("label_10")
self.horizontalLayout_4.addWidget(self.label_10)
self.lineEdit_3 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_3.setInputMethodHints(QtCore.Qt.ImhNone)
self.lineEdit_3.setEchoMode(QtWidgets.QLineEdit.Password)
self.lineEdit_3.setObjectName("lineEdit_3")
self.horizontalLayout_4.addWidget(self.lineEdit_3)
self.checkBox_2 = QtWidgets.QCheckBox(self.centralwidget)
self.checkBox_2.setObjectName("checkBox_2")
self.horizontalLayout_4.addWidget(self.checkBox_2)
self.verticalLayout_4.addLayout(self.horizontalLayout_4)
spacerItem10 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_4.addItem(spacerItem10)
self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_3.setObjectName("pushButton_3")
self.verticalLayout_4.addWidget(self.pushButton_3, 0, QtCore.Qt.AlignHCenter)
spacerItem11 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_4.addItem(spacerItem11)
self.horizontalLayout_7 = QtWidgets.QHBoxLayout()
self.horizontalLayout_7.setObjectName("horizontalLayout_7")
self.label_13 = QtWidgets.QLabel(self.centralwidget)
self.label_13.setObjectName("label_13")
self.horizontalLayout_7.addWidget(self.label_13)
self.progressBar_2 = QtWidgets.QProgressBar(self.centralwidget)
self.progressBar_2.setEnabled(True)
self.progressBar_2.setMaximum(100)
self.progressBar_2.setProperty("value", 0)
self.progressBar_2.setTextVisible(True)
self.progressBar_2.setObjectName("progressBar_2")
self.horizontalLayout_7.addWidget(self.progressBar_2)
self.verticalLayout_4.addLayout(self.horizontalLayout_7)
spacerItem12 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_4.addItem(spacerItem12)
self.verticalLayout_3 = QtWidgets.QVBoxLayout()
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.label_12 = QtWidgets.QLabel(self.centralwidget)
self.label_12.setObjectName("label_12")
self.verticalLayout_3.addWidget(self.label_12)
self.plainTextEdit_2 = QtWidgets.QPlainTextEdit(self.centralwidget)
self.plainTextEdit_2.setReadOnly(True)
self.plainTextEdit_2.setObjectName("plainTextEdit_2")
self.verticalLayout_3.addWidget(self.plainTextEdit_2)
self.verticalLayout_4.addLayout(self.verticalLayout_3)
self.horizontalLayout_5.addLayout(self.verticalLayout_4)
spacerItem13 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem13)
self.verticalLayout_5.addLayout(self.horizontalLayout_5)
spacerItem14 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.verticalLayout_5.addItem(spacerItem14)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 811, 21))
self.menubar.setObjectName("menubar")
self.menuHelp = QtWidgets.QMenu(self.menubar)
self.menuHelp.setObjectName("menuHelp")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.actionAbout = QtWidgets.QAction(MainWindow)
self.actionAbout.setObjectName("actionAbout")
self.menuHelp.addAction(self.actionAbout)
self.menubar.addAction(self.menuHelp.menuAction())
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
#Slots
self.pushButton.clicked.connect(self.getFile)
self.pushButton_2.clicked.connect(self.encode)
self.pushButton_3.clicked.connect(self.decode)
self.checkBox.stateChanged.connect(lambda: self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Normal) if self.checkBox.isChecked() else self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password))
self.checkBox_2.stateChanged.connect(lambda: self.lineEdit_3.setEchoMode(QtWidgets.QLineEdit.Normal) if self.checkBox_2.isChecked() else self.lineEdit_3.setEchoMode(QtWidgets.QLineEdit.Password))
#Menu action
self.actionAbout.triggered.connect(lambda: self.displayMsg('About','Created by: Suman Adhikari\n\nGitHub: https://github.com/int-main'))
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Steganography Software"))
self.label_4.setText(_translate("MainWindow", "<html><head/><body><p><span style=\" font-weight:600;\">Step 1:</span></p></body></html>"))
self.label_3.setText(_translate("MainWindow", "Input Image File:"))
self.pushButton.setText(_translate("MainWindow", "Choose File"))
self.label.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:20pt; font-weight:600; color:#5500ff;\">Encode</span></p></body></html>"))
self.label_2.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:20pt; font-weight:600; color:#5500ff;\">Decode</span></p></body></html>"))
self.label_5.setText(_translate("MainWindow", "<html><head/><body><p><span style=\" font-weight:600;\">Step 2:</span></p></body></html>"))
self.label_7.setText(_translate("MainWindow", "Enter text to hide:"))
self.label_8.setText(_translate("MainWindow", "<html><head/><body><p><span style=\" font-weight:600;\">Step 3:</span></p></body></html>"))
self.label_9.setText(_translate("MainWindow", "Enter Password:"))
self.checkBox.setText(_translate("MainWindow", "Show Password"))
self.label_11.setText(_translate("MainWindow", "Progress:"))
self.pushButton_2.setText(_translate("MainWindow", "Encode and Save"))
self.label_6.setText(_translate("MainWindow", "<html><head/><body><p><span style=\" font-weight:600;\">Step 2:</span></p></body></html>"))
self.label_10.setText(_translate("MainWindow", "Enter Password:"))
self.checkBox_2.setText(_translate("MainWindow", "Show Password"))
self.pushButton_3.setText(_translate("MainWindow", "Decode"))
self.label_13.setText(_translate("MainWindow", "Progress:"))
self.label_12.setText(_translate("MainWindow", "Decoded Data:"))
self.menuHelp.setTitle(_translate("MainWindow", "Help"))
self.actionAbout.setText(_translate("MainWindow", "About"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())