def setup_mongo():
client = pymongo.MongoClient(app_server.mongodb_url)
database = client.get_default_database()
collections.update({
'system': database.system,
'administrators': database.administrators,
'users': database.users,
'organizations': database.organizations,
'servers': database.servers,
})
collections['administrators'].ensure_index('username', unique=True)
collections['users'].ensure_index([
('org_id', pymongo.ASCENDING),
('type', pymongo.ASCENDING),
])
collections['users'].ensure_index([
('org_id', pymongo.ASCENDING),
('name', pymongo.ASCENDING),
])
collections['organizations'].ensure_index('type')
collections['servers'].ensure_index('name')
from administrator import Administrator
if not Administrator.get_collection().find_one():
Administrator(
username=DEFAULT_USERNAME,
password=DEFAULT_PASSWORD,
default=True,
).commit()
def __init__(self):
self.control = POSController()
self.admin = Administrator()
self.now = datetime.datetime.now()
self.stockingdate = self.now.date()
self.ondiscount = False
self.invoiceno = 1
def main():
# connect to database
connection = sql_connect()
cnx = connection[0]
cursor = connection[1]
USER_TYPES = {
1: Librarian(cursor, cnx),
2: Administrator(cursor, cnx),
3: Borrower(cursor, cnx),
}
while True:
user_type = entryPrompt()
if user_type == 'quit':
print(constants.QUIT_MESSAGE)
break
func = USER_TYPES.get(user_type)
if not func:
print(constants.INCORRECT_INPUT)
else:
continue_driver = func.driver()
if not continue_driver:
print(constants.QUIT_MESSAGE)
break
# close cursor and connection
sql_close(cnx, cursor)
def __init__(self):
self.admin = Administrator()
self.product = Product()
self.bag_type = 0
self.discounted_price = 0
self.now = datetime.datetime.now()
self.cart = []
self.itemname = []
self.itemquantity = []
self.itemprice = []
self.invoiceno = 0
self.totalprice = 0
def citeste(nume_fis):
try:
f = open(nume_fis)
except Exception as e:
print(e)
print("Eroare la deschiderea fisierului", nume_fis)
return []
ang_lst = []
linii_lst = f.readlines()
print(linii_lst)
f.close()
for linie in linii_lst:
linie = linie.strip()
if linie != "":
lst_elems = linie.split(" ", 4)
print(lst_elems)
if lst_elems[0] == "v":
a = Vanzator(lst_elems[1].strip(), lst_elems[2].strip(),
lst_elems[3].strip())
#ang_lst.append(v)
elif lst_elems[0] == "a":
a = Administrator(lst_elems[1].strip(), lst_elems[2].strip(),
int(lst_elems[3].strip()),
lst_elems[4].strip())
elif lst_elems[0] == "aa":
a = Ajutor_adminisatrator(lst_elems[1].strip(),
lst_elems[2].strip(),
int(lst_elems[3].strip()),
lst_elems[4].strip())
else:
print("Date invalide")
continue
ang_lst.append(a)
return ang_lst
def log_in():
username = input("please enter your username: "******"there is not such a user!")
return
counter = 0
while True:
entered_password = input('please enter your password: '******'utf8')).hexdigest() == password:
print('-----------------welcome------------------')
if status == 'student':
with open('students.csv', 'r') as students_info:
csv_reader = csv.reader(students_info)
for student in csv_reader:
if student[0] == username:
return Student(student[0], student[1],
student[2], student[3])
elif status == 'administrator':
return Administrator(username)
elif counter == 2:
print('your account is locked!')
with open('locked_users.txt', 'a') as locked_file:
locked_file.write(f'{username}\n')
break
else:
print('wrong password!')
counter += 1
def check_auth(username, password, remote_addr=None):
from administrator import Administrator
if remote_addr:
# TODO
cache_key = 'ip_' + remote_addr
count = cache_db.list_length(cache_key)
if count and count > 10:
raise flask.abort(403)
# TODO
key_exists = cache_db.exists(cache_key)
cache_db.list_rpush(cache_key, '')
if not key_exists:
cache_db.expire(cache_key, 20)
administrator = Administrator.find_user(username=username)
if not administrator:
return
if not administrator.test_password(password):
return
return administrator
def check_session():
from administrator import Administrator
auth_token = flask.request.headers.get('Auth-Token', None)
if auth_token:
auth_timestamp = flask.request.headers.get('Auth-Timestamp', None)
auth_nonce = flask.request.headers.get('Auth-Nonce', None)
auth_signature = flask.request.headers.get('Auth-Signature', None)
if not auth_token or not auth_timestamp or not auth_nonce or \
not auth_signature:
return False
auth_nonce = auth_nonce[:32]
try:
if abs(int(auth_timestamp) - int(time.time())) > AUTH_TIME_WINDOW:
return False
except ValueError:
return False
# TODO
cache_key = 'auth_nonce-%s' % auth_nonce
if cache_db.exists(cache_key):
return False
administrator = Administrator.find_user(token=auth_token)
if not administrator:
return False
auth_string = '&'.join([
auth_token, auth_timestamp, auth_nonce, flask.request.method,
flask.request.path] +
([flask.request.data] if flask.request.data else []))
if len(auth_string) > AUTH_SIG_STRING_MAX_LEN:
return False
auth_test_signature = base64.b64encode(hmac.new(
administrator.secret.encode(), auth_string,
hashlib.sha256).digest())
if auth_signature != auth_test_signature:
return False
# TODO
cache_db.expire(cache_key, int(AUTH_TIME_WINDOW * 2.1))
cache_db.set(cache_key, auth_timestamp)
flask.request.administrator = administrator
else:
from pritunl import app_server
if not flask.session:
return False
admin_id = flask.session.get('admin_id')
if not admin_id:
return False
administrator = Administrator.get_user(id=admin_id)
if not administrator:
return False
if not app_server.ssl and flask.session.get(
'source') != get_remote_addr():
flask.session.clear()
return False
if SESSION_TIMEOUT and int(time.time()) - \
flask.session['timestamp'] > SESSION_TIMEOUT:
flask.session.clear()
return False
flask.request.administrator = administrator
return True
from administrator import Administrator
from bulletinboard import BulletinBoard
from candidate import Candidate
admin = Administrator.get_instance()
cand1 = Candidate("cand1")
cand2 = Candidate("cand2")
bb = BulletinBoard.get_instance()
admin.setup([cand1.public_key, cand2.public_key])
admin.credential_dispatch()
bb.show()
def handle_client(client): # Takes client socket as argument.
"""Handles a single client connection."""
f = open("server/data/list.txt", encoding="utf8") # файл со списком учеников и администраторов
students = [] # список студентов
admins = [] # список админов
text = f.read().splitlines()
for line in text:
spl = line.split("*")
if spl[3] == "admin":
adm = Administrator()
adm.set_surname(spl[0])
adm.set_name(spl[1])
adm.set_patronym(spl[2])
adm.set_password(spl[4])
admins.append(adm)
else:
stud = Student()
stud.set_surname(spl[0])
stud.set_name(spl[1])
stud.set_patronym(spl[2])
stud.set_login(spl[3])
stud.set_password(spl[4])
stud.set_course(int(spl[5]))
stud.set_group(spl[6])
stud.set_subgroup(int(spl[7]))
students.append(stud)
f.close()
g = open("server/data/disciplines.txt", encoding="utf8") # файл со списком дисциплин
disciplines = []
text = g.read().splitlines()
for line in text:
spl = line.split("*")
subj = Discipline()
subj.set_name(spl[0])
subj.set_course(spl[1])
subj.set_credits(spl[2])
subj.set_vedomost(spl[3])
disciplines.append(subj)
g.close()
flag = "0"
while flag == "0":
login = client.recv(1024).decode("utf8")
password = client.recv(1024).decode("utf8")
for stud in students + admins:
if stud.get_login() == login and stud.get_password() == password:
client.send(bytes("1", "utf8")) # логин и пароль верны
flag = "1"
user = stud.get_surname()
break
if flag == "0":
client.send(bytes("0", "utf8"))
msg = client.recv(1024).decode("utf8") # получаем код продвинутого\упрощенного меню
if msg == "1": # продвинутое меню для администратора
while True:
msg1 = client.recv(1024).decode("utf8")
if msg1 == "5": # внести изменения в учетную запись
surname = client.recv(1024).decode("utf8")
flag = "0"
for stud in students:
if stud.get_surname() == surname:
flag = "1"
break
client.send(bytes(flag, "utf-8"))
if flag == "1":
z = client.recv(1024).decode("utf8")
if z == "1": # меняем фамилию
new_surname = client.recv(1024).decode("utf8")
stud.set_surname(new_surname)
new_login = translit(stud.get_name()[0] + stud.get_patronym()[0] + new_surname)
stud.set_login(new_login)
client.send(bytes("Фамилия и логин изменены", "utf8"))
# меняем старую фамилию в ведомостях
for subj in disciplines:
m = subj.find_mark(surname)
f = open(subj.get_vedomost(), encoding="utf8")
text = f.read().splitlines()
new_lines = []
for line in text:
if surname in line:
new_lines.append(new_surname + " " + m)
else:
new_lines.append(line)
f.close()
f = open(subj.get_vedomost(), "w", encoding="utf8")
for line in new_lines:
f.write("%s\n" % line)
f.close()
elif z == "2": # имя
new_name = client.recv(1024).decode("utf8")
stud.set_name(new_name)
new_login = translit(new_name[0] + stud.get_patronym()[0] + stud.get_surname())
stud.set_login(new_login)
client.send(bytes("Имя и логин изменены", "utf8"))
elif z == "3":
new_patronym = client.recv(1024).decode("utf8")
stud.set_patronym(new_patronym)
new_login = translit(stud.get_name()[0] + new_patronym[0] + stud.get_surname())
stud.set_login(new_login)
client.send(bytes("Отчество и логин изменены", "utf8"))
elif z == "4": # курс
new_course = client.recv(1024).decode("utf8")
stud.set_course(int(new_course))
client.send(bytes("Курс изменен", "utf8"))
elif z == "5":
new_group = client.recv(1024).decode("utf8")
stud.set_group(new_group)
client.send(bytes("Группа изменена", "utf8"))
else:
new_subgroup = client.recv(1024).decode("utf8")
stud.set_subgroup(int(new_subgroup))
client.send(bytes("Подгруппа изменена", "utf8"))
# перезапись файла list.txt
update_file(students, admins)
else:
client.send(bytes("Данного студента нет в системе", "utf8"))
elif msg1 == "6":
stud = Student()
surname = client.recv(1024).decode("utf8")
stud.set_surname(surname)
name = client.recv(1024).decode("utf8")
stud.set_name(name)
patronym = client.recv(1024).decode("utf8")
stud.set_patronym(patronym)
# генерация логина
login = translit(name[0] + patronym[0] + surname)
stud.set_login(login)
# генерация пароля
password = generate_password()
stud.set_password(password)
course = client.recv(1024).decode("utf8")
stud.set_course(int(course))
group = client.recv(1024).decode("utf8")
stud.set_group(group)
subgroup = client.recv(1024).decode("utf8")
stud.set_subgroup(int(subgroup))
students.append(stud)
f = open("server/data/list.txt", "a", encoding="utf8") # открытие файла на дозапись
f.write(
surname + "*" + name + "*" + patronym + "*" + login + "*" + password + "*" + course + "*" + group + "*" + subgroup + "\n")
f.close()
client.send(bytes("Регистрация прошла успешно", "utf8"))
elif msg1 == "7": # удаление
flag = 0
surname = client.recv(1024).decode("utf8")
for stud in students:
if stud.get_surname() == surname:
flag = 1
students.remove(stud)
update_file(students, admins)
client.send(bytes("Студент отчислен!", "utf8"))
break
if flag == 0:
client.send(bytes("Данного студента не было в системе", "utf8"))
elif msg1 == "1": # зачетка
flag = 0
surname = client.recv(1024).decode("utf8")
for stud in students:
if stud.get_surname() == surname:
flag = 1
msg = str(stud.get_surname()) + " " + str(stud.get_name()) + " " + str(stud.get_patronym()) + \
"\n" + "Студент бакалавриата " + str(
stud.get_course()) + " курс" + "\n" + "-------------------------------------------------"
for obj in disciplines:
if int(obj.get_course()) <= int(stud.get_course()):
msg = msg + "\n" + str(obj.get_name()) + " " + str(obj.find_mark(str(stud.get_surname())))
client.send(bytes(msg, "utf8"))
break
if flag == 0:
client.send(bytes("Данного студента нет в системе", "utf8"))
elif msg1 == "2": # рейтинг
msg = show_rating(students, disciplines)
client.send(bytes(msg, "utf8"))
elif msg1 == "3": # смена пароля
password = client.recv(1024).decode("utf8")
for adm in admins:
if adm.get_surname() == user:
adm.set_password(password)
update_file(students, admins)
client.send(bytes("Пароль изменен", "utf8"))
else: # закрываем соединение
client.send(bytes("До свидания!", "utf8"))
client.close()
break
else:
while True:
msg = client.recv(1024).decode("utf8") # меню
if msg == "1": # зачетка
msg = str(stud.get_surname()) + " " + str(stud.get_name()) + " " + str(stud.get_patronym()) + \
"\n" + "Студент бакалавриата " + str(
stud.get_course()) + " курс" + "\n" + "-------------------------------------------------"
for obj in disciplines:
msg = msg + "\n" + str(obj.get_name()) + " " + str(obj.find_mark(str(stud.get_surname())))
client.send(bytes(msg, "utf8"))
elif msg == "2": # рейтинг
msg = show_rating(students, disciplines)
client.send(bytes(msg, "utf8"))
elif msg == "3":
password = client.recv(1024).decode("utf8")
for stud in students:
if stud.get_surname() == user:
stud.set_password(password)
update_file(students, admins)
client.send(bytes("Пароль изменен", "utf8"))
else:
client.send(bytes("До свидания!", "utf8"))
client.close()
break
iscream = IceCreamStand("the fainting goat", "deserts")
iscream.describe_restaurant()
iscream.open_restaurant()
iscream.ice_cream_flavors(["vanilla", "cherry", "salted carmel", "chocolate"])
#Event the IceCreamStand() subclass works perfectly.
##9-11:
import user_admin
user1 = user_admin.Administrator("mason", "karsevar", "data scientist",
"seattle", "hiking")
user1.describe_user()
user1.greet_user()
#These commends from the User2 parent class work perfectly. I need to see
#if the subclass works perfectly as well.
user1.privileges.privileges = ["managing user data", "barring bad actors"]
user1.privileges.show_privileges()
#Sweet these commands worked perfectly!!!
#I can finally move onto the next chapter.
##9-12:
from administrator import Administrator
admin2 = Administrator("alice", "karsevar", "project manager", "san francisco",
"hiking")
admin2.describe_user()
admin2.greet_user()
admin2.privileges.privileges = ["bar bad actors", "delete messages"]
admin2.privileges.show_privileges()
#Sweet everything works perfectly.