def login():
"""
Login method, able the user to login in to the library system
"""
# prompt user to choose bwtween console-based/acial recognition authentication for login option
option = int(
input(
'Please choose one of the following options to login:\n- 1 for console-based authentication\n- 2 for facial recognition authentication\n'
))
# if user choses 1, it means the user want to login with console-based authentication
if option == 1:
# prompt user for username
username = input('Please type your username ')
# prompt user for password
password = getpass.getpass('Please type your password ')
# hash the password
if database.checkusernameexists(username) == True:
print('Either username or password is wrong, please re-enter')
# attempt variable to count the number of attempts the user tries to login
attempt = 0
# check if username and password aren't associated with each other and attempt is less than 4 times
checkPass = database.veriftPassword(username, password)
while checkPass == False and attempt < 4:
# print a meaningful message
print('Either username or password is wrong, please re-enter')
# prompt user for username
username = input('Please type your username ')
# prompt user for password
password = getpass.getpass('Please type your password ')
# hash the password
# hashedPassword = sha256_crypt.hash(password)
# increment attempt times
attempt += 1
checkPass = database.veriftPassword(username, password)
# if attempts is greater or equal tna 4, then print a message and exit
if attempt >= 4:
print(
'You exceeded more than 4 attempts to login. Try and login again'
)
exit
# check if username and password are matching for one user
if checkPass == True:
# send login message to Master Pi
print(username, ' welcome to the Smart Library')
# create an object from rp_socket
rp_socket_object = rp_socket()
rp_socket_object.connection(username)
# if user choses 2, it means the user wants to login with facial recognition authentication
elif option == 2:
# call the recognise file which returns two values, True if face has been recognized, and the user name
boolean, name = recognise.main()
# if the face has been recognized, welcome the user to the smaer library
if boolean == True and name != 'Unknown':
# send login message to Master Pi
print(name, ' welcome to the Smart Library')
# create an object from rp_socket
rp_socket_object = rp_socket()
rp_socket_object.connection(name)
else:
print('The System Could Not Recognize your Face')
# if login is not successful, then print a message saying login could not be done
else:
print('Please type either 1 or 2')
def registration():
"""
registration method does the register a new user into the library system
"""
# print a message to the user
print(
'Welcome to registration page.\n- Please note that username must contain letters only.\n- Note that your two passwords must match.'
)
# prompt user for username
username = input('Please type your username ')
# using regular expression, check if the username contains letters only
while not bool(re.match("[a-zA-Z]", username)):
# if username doesn't match the specification, then prompt the user again for thier username
username = input('Please type your username ')
# check if the username already exists in the database. if username does not exist, then exceed
# with registration process
if (database.checkusernameexists(username)):
# prompt user for password
password = getpass.getpass('Please type your password ')
# prompt user for password again
re_password = getpass.getpass(
'Please re-type your password again ')
# attempt variable to count the number of attempts the user tries to match their passwords
attempt = 0
# if the two passwords does not match and attempt times is less than two time then
# prompt user again
while password != re_password and attempt < 2:
# prompt user for password
password = getpass.getpass('Please type your password ')
# prompt user for password again
re_password = getpass.getpass(
'Please re-type your password again ')
# increment attempt times
attempt += 1
# if attempt is equal of greater than 2, then exist the registration page
if attempt >= 2:
print(
'You exceeded more than two attempts. Try and register again'
)
exit
# exceed with registration process
# hash the password and assign it to a variable named hashedPassword
hashedPassword = sha256_crypt.hash(password)
# prompt user for first name
first_name = input('Please type your first name ')
# check if first name contains letters only, if not then prompt user for first name again
while bool(re.match("[a-zA-Z]", first_name)) == False:
first_name = input('Please type your first name ')
# prompt user for last name
last_name = input('Please type your last name ')
# check if last name contains letters only, if not then prompt user for last name again
while bool(re.match("[a-zA-Z]", last_name)) == False:
last_name = input('Please type your last name ')
# prompt user for email address
email = input('Please type your email address ')
# check if email address does contain the proper format of an email, if not then prompt user for last name again
while bool(re.match("\S+@\S+", email)) == False:
email = input('Please type your email address ')
# insert the data into the databse calling database class
database.insertData(username, hashedPassword, first_name,
last_name, email)
# prompt user to choose bwtween console-based/acial recognition authentication
option = int(
input(
'Please choose one of the following options for your login process:\n- 1 for console-based authentication\n- 2 for facial recognition authentication\n'
))
# if user choses 1, the exit since the user doesn't want to do facial recognition authentication
if option == 1:
exit
# if user choses facial recognition authentication, then call facial recognition files
elif option == 2:
print(
'Please be ready as we will take some picture of your face'
)
time.sleep(5)
print('Taking pictures now')
# capture user face
capture.main(username)
print(
'Our system is encoding your pictures for learning purposes.'
)
# encode user face pictures
encode.main()
# else means that the username already exists in the database
else:
# print a message
print("Username already exists!")
exit
def test_checkUsernameExists(self):
self.assertFalse(database.checkusernameexists("TestUsername"))