main.py

import json
import string
import webbrowser
from random import randint, choice, shuffle
from re import match
from tkinter import *
from tkinter import messagebox

from pyperclip import copy

BACKGROUND = "#F1F8E8"
KEY_BG_COLOR = "#D9EDBF"
KEY_ACTIVE_BG_COLOR = "#90D26D"
ENTRY_BG = "#F7EFE5"
FONT_NAME = "Courier"
FILE_NAME = "data.json"
LOWER_CASE_LETTERS = list(string.ascii_lowercase)
UPPER_CASE_LETTERS = list(string.ascii_uppercase)
SPECIAL_CHARACTERS = [char for char in "!@#$%^&*()-_+=<>?/|{}[].~"]
NUMBERS = [str(num) for num in range(10)]
EMAIL_REGEX = "^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$"


# ---------------------------- PASSWORD GENERATOR ------------------------------- #
def password_generator():
    """Generate Random Passwords"""
    random_password = []
    shuffle(LOWER_CASE_LETTERS)
    shuffle(UPPER_CASE_LETTERS)
    shuffle(SPECIAL_CHARACTERS)
    shuffle(NUMBERS)
    ran_lows = ''.join(choice(LOWER_CASE_LETTERS) for _ in range(randint(4, 5)))
    ran_ups = ''.join(choice(UPPER_CASE_LETTERS) for _ in range(randint(4, 5)))
    ran_specs = ''.join(choice(SPECIAL_CHARACTERS) for _ in range(randint(2, 4)))
    ran_nums = ''.join(choice(NUMBERS) for _ in range(randint(2, 4)))
    random_password += ran_nums + ran_specs + ran_ups + ran_lows  # appending
    shuffle(random_password)
    random_password = ''.join(random_password)
    password_entry.delete(0, END)
    password_entry.insert(index=0, string=random_password)
    copy(random_password)  # copy on clipboard
    messagebox.showinfo(title="Password Manager", message="📋 The Password has been Saved in Clipboard.")


# ---------------------------- SAVE PASSWORD ------------------------------- #
def validate_password(password):
    """Check Validity of Password"""
    lower_cases = 0
    upper_cases = 0
    special_chars = 0
    numbers = 0
    for char in password:
        if char in LOWER_CASE_LETTERS:
            lower_cases += 1
        elif char in UPPER_CASE_LETTERS:
            upper_cases += 1
        elif char in SPECIAL_CHARACTERS:
            special_chars += 1
        elif char in NUMBERS:
            numbers += 1

    if lower_cases != 0 and upper_cases != 0 and special_chars != 0 and numbers != 0:
        is_pass_valid = True
    else:
        is_pass_valid = False
    return is_pass_valid


def save():
    """Save validated data in txt file"""
    check_mark = '✔'
    website = web_entry.get()
    email_username = email_username_entry.get()
    password = password_entry.get()

    data_dict = {
        website: {
            "email": email_username,
            "password": password,
        }
    }
    # Validating
    is_pass_valid = validate_password(password)

    if len(password) < 8:
        messagebox.showinfo(title="Password Validation",
                            message="The length of the password must be at least 8 characters")
    elif not is_pass_valid:
        messagebox.showinfo(title="Password Validation",
                            message="Paasword Must Contains at least one lowercase letter,"
                                    " uppercase letter, Number and special character.")
    elif len(website) != 0 and email_validation(email=email_username):
        is_valid = True
        is_ok = messagebox.askokcancel(title=website, message=f"{' ' * 20}{check_mark}\n\nDetails:\n"
                                                              f"Email: {email_username}\nPassword: {password}")
        if is_ok and is_valid:
            try:
                with open(file=FILE_NAME, mode="r") as data_file:
                    data = json.load(data_file)
                    data.update(data_dict)
            except FileNotFoundError:
                with open(file=FILE_NAME, mode="w") as data_file:
                    json.dump(data_dict, data_file, indent=4)
            else:
                with open(file=FILE_NAME, mode="w") as output_file:
                    json.dump(data, output_file, indent=4)
            web_entry.delete(first=0, last=END)
            email_username_entry.delete(first=0, last=END)
            password_entry.delete(first=0, last=END)
            messagebox.showinfo(title="Password Manager", message="Saved Successfully.")
    else:
        if not email_validation(email_username):
            messagebox.showerror(title="Error", message="Email format isn't Valid.")
        else:
            messagebox.showerror(title="Error", message="Website field is empty!")


# ---------------------------- SEARCH ------------------------------- #
def search_website():
    user_input = web_entry.get()
    try:
        with open(FILE_NAME, "r") as data:
            data_file = json.load(data)
    except FileNotFoundError:
        messagebox.showerror(title='Searching...', message=f"there is no saved password yet!")
    else:
        if user_input in data_file:
            email = data_file[user_input]['email']
            password = data_file[user_input]['password']
            messagebox.showinfo(title=f"{user_input}", message=f"Email: {email}\n"
                                                               f"Password: {password}")
            copy(data_file[user_input]['password'])
            messagebox.showinfo(title="Password Manager", message="📋 The Password has been Saved in Clipboard.")
        else:
            messagebox.showerror(title='Searching...', message=f"No details for  {user_input}!")


# ---------------------------- EMAIL VALIDATION ------------------------------- #
def email_validation(email):
    if match(EMAIL_REGEX, email):
        return True
    else:
        return False


# ---------------------------- UI SETUP ------------------------------- #
window = Tk()
window.title("Password Manager")
window.config(padx=50, pady=50, bg=BACKGROUND)
window.minsize(670, 470)
window.maxsize(670, 470)

# Grid system
rows = 7
columns = 3
for row in range(rows):
    window.grid_rowconfigure(index=row, weight=1)

for col in range(columns):
    window.grid_columnconfigure(index=col, weight=1)

# Photo
canvas = Canvas(width=200, height=200, background=BACKGROUND, highlightthickness=0)
my_pass_img = PhotoImage(file="images/logo.png")
canvas.create_image(100, 100, image=my_pass_img)
canvas.grid_configure(row=0, column=1, columnspan=2, pady=10, padx=10)

#  Labels
web_label = Label(text="Website:", font=(FONT_NAME, 12), bg=BACKGROUND, pady=10)
web_label.grid_configure(row=1, column=0)

email_username_label = Label(text="Email/Username:", font=(FONT_NAME, 12), bg=BACKGROUND, pady=10)
email_username_label.grid_configure(row=2, column=0)

password_label = Label(text="Password:", font=(FONT_NAME, 12), bg=BACKGROUND, pady=10)
password_label.grid_configure(row=3, column=0)

# Entries
web_entry = Entry(width=20, bg=ENTRY_BG)
web_entry.grid_configure(row=1, column=1, columnspan=1)
web_entry.focus()

pre_email = "Example@gmail.com"  # if You use One email always you can set it or Not
email_username_entry = Entry(width=50, bg=ENTRY_BG)
email_username_entry.grid_configure(row=2, column=1, columnspan=2)
email_username_entry.insert(index=0, string=pre_email)

password_entry = Entry(width=20, bg=ENTRY_BG)
password_entry.grid_configure(row=3, column=1, columnspan=1, padx=20)

# Button
pass_gen_btn = Button(text="Generate Password", bg=KEY_BG_COLOR, activebackground=KEY_ACTIVE_BG_COLOR, bd=0,
                      highlightthickness=0, command=password_generator)
pass_gen_btn.grid_configure(row=3, column=2, columnspan=1, padx=20)

add_btn = Button(text="Add", bg=KEY_BG_COLOR, activebackground=KEY_ACTIVE_BG_COLOR, width=43, bd=1,
                 highlightthickness=1, command=save, pady=7)
add_btn.grid_configure(row=4, column=1, columnspan=2)

search_btn = Button(text="Search", command=search_website, bg=KEY_BG_COLOR, activebackground=KEY_ACTIVE_BG_COLOR, bd=0,
                    width=14)
search_btn.grid_configure(row=1, column=2)

# Copyright Label
copyright_label = Label(
    text="© 2024 Iman Gholami - All Rights Reserved",
    font=(FONT_NAME, 10),
    bg=BACKGROUND,
    pady=15
)
copyright_label.grid(row=5, column=0, columnspan=3)


# Email Link
def open_email():
    """function to open the email client"""
    webbrowser.open("mailto:imangholamiimi@gmail.com")


email_link = Label(
    text="Contact/Support",
    font=(FONT_NAME, 10, 'underline'),
    bg=BACKGROUND,
    fg="blue",
    cursor="hand2",
    pady=3
)
email_link.grid(row=6, column=0, columnspan=3)
email_link.bind("<Button-1>", lambda e: open_email())

window.mainloop()