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login.py
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login.py
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import pygame
import mysql.connector
import hashlib
import re
from afterLogin import PostLoginPage
from buttonClass import Buttons
from coloursss import *
pygame.init()
WIDTH, HEIGHT = 1400, 730
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption('Mazee')
FONT = pygame.font.SysFont('Arial', 36)
SMALL_FONT = pygame.font.SysFont('Arial', 24)
icon = pygame.image.load("icon.png")
pygame.display.set_icon(icon)
class LoginPage:
def __init__(self):
self.username = ''
self.password = ''
self.active_input = None
self.message = ''
self.current_screen = 'login'
self.username_box = pygame.Rect(550, 200, 300, 50)
self.password_box = pygame.Rect(550, 300, 300, 50)
self.login_button = Buttons(screen, GREEN, 450, 400, 200, 60, text='Login')
self.signup_button = Buttons(screen, RED, 700, 400, 200, 60, text='Sign Up')
try:
self.conn = mysql.connector.connect(
host="localhost",
port="3306",
user="root",
password="#Dcd102007",
database="mazeandusertables")
print("DB connected")
except mysql.connector.Error as err:
print(f"Error: {err}")
self.conn = None
def draw(self):
screen.fill(WHITE)
if self.current_screen == 'login':
self.draw_login_screen()
if self.message:
message_surface = SMALL_FONT.render(self.message, True, BLACK)
screen.blit(message_surface, (550, 600))
def draw_login_screen(self):
username_label = FONT.render("Username:", True, BLACK)
password_label = FONT.render("Password:", True, BLACK)
pygame.draw.rect(screen, GREY, self.username_box, 2)
pygame.draw.rect(screen, GREY, self.password_box, 2)
username_text = FONT.render(self.username, True, BLACK)
password_text = FONT.render('*' * len(self.password), True, BLACK)
screen.blit(username_label, (400, 210))
screen.blit(password_label, (400, 310))
screen.blit(username_text, (560, 210))
screen.blit(password_text, (560, 310))
self.login_button.draw_button()
self.signup_button.draw_button()
def handle_event(self, event):
if event.type == pygame.MOUSEBUTTONDOWN:
if self.username_box.collidepoint(event.pos):
self.active_input = 'username'
elif self.password_box.collidepoint(event.pos):
self.active_input = 'password'
elif self.login_button.isOver(pygame.mouse.get_pos()):
self.login()
elif self.signup_button.isOver(pygame.mouse.get_pos()):
self.signUp()
else:
self.active_input = None
if event.type == pygame.KEYDOWN:
if self.active_input == 'username':
if event.key == pygame.K_BACKSPACE:
self.username = self.username[:-1]
else:
self.username += event.unicode
elif self.active_input == 'password':
if event.key == pygame.K_BACKSPACE:
self.password = self.password[:-1]
else:
self.password += event.unicode
def login(self):
if not self.conn:
self.message = "No database connection."
return
username = self.username
password = self.password
try:
cursor = self.conn.cursor()
query = "SELECT password FROM user_table WHERE username = %s"
cursor.execute(query, (username,))
result = cursor.fetchone()
if result:
stored_password = result[0]
if self.verify_pwd(password, stored_password):
print(f"Welcome, {username}!")
self.transition_to_post_login()
else:
self.message = "Invalid username or password."
else:
self.message = "User does not exist."
cursor.close()
except mysql.connector.Error as err:
print(f"Database error: {err}")
self.message = f"Database error: {err}"
def signUp(self):
if not self.conn:
self.message = "No database connection."
return
username = self.username
password = self.password
if len(username) < 3:
self.message = "Username must be at least 3 characters long."
return
if not re.match(r"^(?=.*[A-Z]).{7,}$", password):
self.message = "Password must be 7+ characters and 1 uppercase."
return
hashed_password = self.hashPwd(password)
try:
cursor = self.conn.cursor()
insert_query = "INSERT INTO user_table (username, password) VALUES (%s, %s)"
cursor.execute(insert_query, (username, hashed_password))
self.conn.commit()
self.message = f"User {username} created."
cursor.close()
except mysql.connector.Error as err:
if err.errno == 1062:
self.message = "Username already taken."
else:
print(f"Database error: {err}")
self.message = f"Database error: {err}"
def hashPwd(self, password):
return hashlib.sha256(password.encode("utf-8")).hexdigest()
def verify_pwd(self, plain_password, hashed_password):
return self.hashPwd(plain_password) == hashed_password
def transition_to_post_login(self):
post_login = PostLoginPage(screen, FONT, SMALL_FONT)
post_login.start()
def start(self):
running = True
clock = pygame.time.Clock()
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
self.handle_event(event)
self.draw()
pygame.display.flip()
clock.tick(30)
pygame.quit()
if __name__ == "__main__":
app = LoginPage()
app.start()