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access_manager.py
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access_manager.py
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# -*- coding: utf-8 -*-
"""
Created on May 30, 2022
@author: Riccardo Gambino
"""
import tkinter as tk
import tkinter.simpledialog
from tkinter import messagebox
import ttkbootstrap as ttk
import json, os, xnat
import pyAesCrypt, webbrowser
from accessory_functions import *
from dotenv import load_dotenv
PATH_IMAGE = "images\\"
CURSOR_HAND = "hand2"
SMALL_FONT_2 = ("Calibri", 10)
with open("layout_colors.json", "r") as theme_file:
theme_colors = json.load(theme_file)
class AccessManager():
def __init__(self, root):
load_dotenv()
# Load icons
self.open_eye = open_image(PATH_IMAGE + "open_eye.png", 15, 15)
self.closed_eye = open_image(PATH_IMAGE + "closed_eye.png", 15, 15)
self.connected = None
self.root = root
# Start with a popup to get credentials
self.popup = ttk.Toplevel(self.root)
self.popup.title("XNAT-PIC ~ Login")
self.popup.geometry("+%d+%d" % (600, 400))
self.popup.resizable(False, False)
# Closing window event: if it occurs, the popup must be destroyed and the main frame buttons must be enabled
def closed_window():
self.connected = False
self.popup.destroy()
self.popup.protocol("WM_DELETE_WINDOW", closed_window)
# Credentials Label Frame
self.popup.cred_frame = ttk.LabelFrame(self.popup, text="Credentials", style="Popup.TLabelframe")
self.popup.cred_frame.grid(row=1, column=0, padx=10, pady=5, sticky=tk.E+tk.W+tk.N+tk.S, columnspan=2)
# XNAT ADDRESS
self.popup.label_address = ttk.Label(self.popup.cred_frame, text="XNAT web address")
self.popup.label_address.grid(row=1, column=0, padx=2, pady=2, sticky=tk.E)
self.popup.entry_address = ttk.Entry(self.popup.cred_frame, width=25)
self.popup.entry_address.var = tk.StringVar()
self.popup.entry_address["textvariable"] = self.popup.entry_address.var
self.popup.entry_address.grid(row=1, column=1, padx=2, pady=2)
def enable_address_modification(*args):
if self.popup.modify_address_flag.get() == 1:
self.popup.entry_address.configure(state='normal')
else:
self.popup.entry_address.configure(state='disabled')
self.popup.modify_address_flag = tk.IntVar()
self.popup.modify_address_btn = ttk.Checkbutton(self.popup.cred_frame, text="Change address", state='disabled',
style="Popup.TCheckbutton",
onvalue=1, offvalue=0, variable=self.popup.modify_address_flag)
self.popup.modify_address_btn.grid(row=1, column=2, padx=2, pady=2, sticky=tk.W)
self.popup.modify_address_flag.trace('w', enable_address_modification)
# XNAT USER
self.popup.label_user = ttk.Label(self.popup.cred_frame, text="Username")
self.popup.label_user.grid(row=2, column=0, padx=1, ipadx=1, sticky=tk.E)
self.popup.entry_user = tk.StringVar()
self.popup.combo_user = ttk.Combobox(self.popup.cred_frame, font=SMALL_FONT_2, takefocus=0, textvariable=self.popup.entry_user,
state='normal', width=19, style="Popup.TCombobox")
self.popup.combo_user['values'] = self.get_list_of_users()
self.popup.entry_user.trace('w', self.get_credentials)
self.popup.combo_user.grid(row=2, column=1, padx=2, pady=2)
# XNAT PASSWORD
self.popup.label_psw = ttk.Label(self.popup.cred_frame, text="Password")
self.popup.label_psw.grid(row=3, column=0, padx=1, ipadx=1, sticky=tk.E)
# Show/Hide the password
def toggle_password(*args):
if self.popup.entry_psw.cget('show') == '':
self.popup.entry_psw.config(show='*')
self.popup.toggle_btn.config(image=self.open_eye)
else:
self.popup.entry_psw.config(show='')
self.popup.toggle_btn.config(image=self.closed_eye)
# ans = tkinter.simpledialog.askstring("PIN", "Enter PIN: ", show='*', parent=self.popup.cred_frame)
# if ans:
# if ans == os.environ.get('secretPIN'):
# self.popup.entry_psw.config(show='')
# self.popup.toggle_btn.config(image=self.closed_eye)
# else:
# messagebox.showerror("XNAT-PIC Uploader", "Error! The PIN code does not correspond")
# self.popup.deiconify()
# else:
# pass
self.popup.entry_psw = ttk.Entry(self.popup.cred_frame, show="*", width=25)
self.popup.entry_psw.var = tk.StringVar()
self.popup.entry_psw["textvariable"] = self.popup.entry_psw.var
self.popup.entry_psw.grid(row=3, column=1, padx=2, pady=2)
self.popup.toggle_btn = ttk.Button(self.popup.cred_frame, image= self.open_eye,
command=toggle_password, state='disabled',
cursor=CURSOR_HAND, style="Popup.TButton")
self.popup.toggle_btn.grid(row=3, column=2, padx=2, pady=2, sticky=tk.W)
def enable_toggle(*args):
if self.popup.entry_psw.var.get() != "":
self.popup.toggle_btn.config(state='normal')
if self.popup.entry_user.get() != "":
self.popup.btn_remember.configure(state='normal')
else:
self.popup.btn_remember.configure(state='disabled')
else:
self.popup.toggle_btn.config(state='disabled')
self.popup.btn_remember.configure(state='disabled')
self.popup.entry_psw.var.trace('w', enable_toggle)
self.popup.forgot_psw = ttk.Label(self.popup.cred_frame, text="Forgot password", style="Popup.TLabel",
cursor=CURSOR_HAND)
self.popup.forgot_psw.grid(row=4, column=1, padx=1, ipadx=1)
self.popup.forgot_psw.bind("<Button-1>", self.forgot_psw)
self.popup.register_btn = ttk.Label(self.popup.cred_frame, text="Register", style="Popup.TLabel",
cursor=CURSOR_HAND)
self.popup.register_btn.grid(row=4, column=2, padx=2, pady=2, sticky=tk.W)
self.popup.register_btn.bind("<Button-1>", self.register)
# Label Frame for HTTP buttons
self.popup.label_frame_http = ttk.LabelFrame(self.popup, text="Options", style="Popup.TLabelframe")
self.popup.label_frame_http.grid(row=0, column=0, padx=10, pady=5, sticky=tk.E+tk.W+tk.N+tk.S, columnspan=2)
# HTTP/HTTPS
self.popup.http = tk.StringVar()
self.popup.button_http = ttk.Radiobutton(self.popup.label_frame_http, text=" http:// ", variable=self.popup.http,
value="http://", style="Popup.TRadiobutton")
self.popup.button_http.grid(row=1, column=0, sticky=tk.E, padx=2, pady=2)
self.popup.button_https = ttk.Radiobutton(self.popup.label_frame_http, text=" https:// ", variable=self.popup.http,
value="https://", style="Popup.TRadiobutton")
self.popup.button_https.grid(row=1, column=1, padx=2, pady=2, sticky=tk.E)
self.popup.http.set("http://")
# SAVE CREDENTIALS CHECKBUTTON
self.popup.remember = tk.IntVar()
self.popup.btn_remember = ttk.Checkbutton(self.popup.cred_frame, text="Remember me", variable=self.popup.remember, state='disabled',
onvalue=1, offvalue=0, style="Popup.TCheckbutton")
self.popup.btn_remember.grid(row=2, column=2, padx=2, pady=2, sticky=tk.W)
# CONNECTION
self.popup.button_connect = ttk.Button(self.popup, text="Login", style="MainPopup.TButton",
command=self.login)
self.popup.button_connect.grid(row=2, column=1, padx=5, pady=5, sticky=tk.E)
# QUIT button
def quit_event():
self.connected = False
self.popup.destroy()
self.popup.button_quit = ttk.Button(self.popup, text='Quit', command=quit_event, style="MainPopup.TButton")
self.popup.button_quit.grid(row=2, column=0, padx=10, pady=5, sticky=tk.W)
def forgot_psw(self, *args):
webbrowser.open("http://130.192.212.48:8080/app/template/ForgotLogin.vm#!", new=1)
def register(self, *args):
webbrowser.open("http://130.192.212.48:8080/app/template/Register.vm#!", new=1)
def get_list_of_users(self):
# Get the list of registered and stored users
try:
dir = os.getcwd().replace('\\', '/')
head, tail = os.path.split(dir)
# Define the encrypted file path
encrypted_file = os.path.join(head, ".XNAT_login_file.aes")
# Define the decrypted file path
decrypted_file = os.path.join(head, ".XNAT_login_file00000.txt")
# Decrypt the encrypted file
pyAesCrypt.decryptFile(encrypted_file, decrypted_file, os.environ.get('secretKey'),
int(os.environ.get('bufferSize1')) * int(os.environ.get('bufferSize2')))
# Open the decrypted file
with open(decrypted_file, 'r') as credentials_file:
# Read the data
data = json.load(credentials_file)
# Get the list of users
list_of_users = list(data.keys())
# Clear the 'data' variable
data = ''
# Remove the decrypted file
os.remove(decrypted_file)
return list_of_users
except Exception as error:
return []
def get_credentials(self, *args):
if self.popup.entry_user.get() != '':
if self.popup.entry_user.get() in self.popup.combo_user['values']:
# Load stored credentials
self.load_saved_credentials()
# Disable the button to modify the web address
self.popup.entry_address.configure(state='disabled')
# Enable the 'Change address' button
self.popup.modify_address_btn.configure(state='normal')
# Enable the 'Remember me' button
self.popup.btn_remember.configure(state='normal')
# Enable the 'Show password' toggle button
self.popup.toggle_btn.configure(state='normal')
else:
if self.popup.entry_psw.var.get() != '':
# Enable the 'Remember me' button
self.popup.btn_remember.configure(state='normal')
else:
# Disable the 'Remember me' button
self.popup.btn_remember.configure(state='disabled')
# Reset 'Remember me' button
self.popup.remember.set(0)
# Disable the 'Show password' toggle button
self.popup.toggle_btn.configure(state='disabled')
def load_saved_credentials(self):
try:
dir = os.getcwd().replace('\\', '/')
head, tail = os.path.split(dir)
# Define the encrypted file path
encrypted_file = os.path.join(head, ".XNAT_login_file.aes")
# Define the decrypted file path
decrypted_file = os.path.join(head, ".XNAT_login_file00000.txt")
# Decrypt the file
pyAesCrypt.decryptFile(encrypted_file, decrypted_file, os.environ.get('secretKey'),
int(os.environ.get('bufferSize1')) * int(os.environ.get('bufferSize2')))
# Open the decrypted file in 'read' mode
with open(decrypted_file, 'r') as credentials_file:
# Read the data
data = json.load(credentials_file)
# Fill the empty fields
self.popup.entry_address.var.set(data[self.popup.entry_user.get()]['Address'])
self.popup.entry_user.set(data[self.popup.entry_user.get()]['Username'])
self.popup.entry_psw.var.set(data[self.popup.entry_user.get()]['Password'])
# Clear the 'data' variable
data = ''
# Remove the decrypted file
os.remove(decrypted_file)
# Check the 'Remember me' button
self.popup.btn_remember.config(state='normal')
self.popup.remember.set(1)
except Exception as error:
messagebox.showerror("XNAT-PIC Login", "Error! The user information is not available, or you don't have access to it.")
def login(self):
# Retireve the complete address
self.popup.entry_address_complete = str(self.popup.http.get() + self.popup.entry_address.var.get())
# home = os.path.expanduser("~")
try:
# Start a new xnat session
self.session = xnat.connect(
self.popup.entry_address_complete,
self.popup.entry_user.get(),
self.popup.entry_psw.var.get(),
)
self.connected = True
# Check if the 'Remember Button' is checked
if self.popup.remember.get() == True:
# Save credentials
self.save_credentials()
else:
# Try to remove the existent encrypted file
try:
dir = os.getcwd().replace('\\', '/')
head, tail = os.path.split(dir)
os.remove(
os.path.join(head, ".XNAT_login_file.aes")
)
except FileNotFoundError:
pass
self.popup.destroy()
except Exception as error:
messagebox.showerror("Error!", error)
self.connected = False
self.popup.destroy()
def save_credentials(self):
dir = os.getcwd().replace('\\', '/')
head, tail = os.path.split(dir)
if os.path.exists(head):
# Define the path of the encrypted file
encrypted_file = os.path.join(head, ".XNAT_login_file.aes")
# Define the path of the decrypted file
decrypted_file = os.path.join(head, ".XNAT_login_file00000.txt")
if os.path.isfile(encrypted_file):
# Decrypt the encrypted file exploiting the secret key
pyAesCrypt.decryptFile(encrypted_file, decrypted_file, os.environ.get('secretKey'),
int(os.environ.get('bufferSize1')) * int(os.environ.get('bufferSize2')))
# Open decrypted file and read the data stored
with open(decrypted_file, 'r') as credentials_file:
data = json.load(credentials_file)
# Update the already stored data with the current session parameters
data[str(self.popup.entry_user.get())] = {
"Address": self.popup.entry_address.var.get(),
"Username": self.popup.entry_user.get(),
"Password": self.popup.entry_psw.var.get(),
"HTTP": self.popup.http.get()
}
# Remove the decrypted file
os.remove(decrypted_file)
else:
# Define empty dictionary for credentials
data = {}
# Add the current credentials to the dictionary
data[str(self.popup.entry_user.get())] = {
"Address": self.popup.entry_address.var.get(),
"Username": self.popup.entry_user.get(),
"Password": self.popup.entry_psw.var.get(),
"HTTP": self.popup.http.get()
}
# # Define the path of the file
# file = os.path.join(home, "Documents", ".XNAT_login_file.txt")
# Open the file to write in the data to be stored
with open(decrypted_file, 'w+') as login_file:
json.dump(data, login_file)
# Clear data variable
data = {}
# Encrypt the file
pyAesCrypt.encryptFile(decrypted_file, encrypted_file, os.environ.get('secretKey'),
int(os.environ.get('bufferSize1')) * int(os.environ.get('bufferSize2')))
# Remove the file
os.remove(decrypted_file)