class Authentication():
def __init__(self, db_name='db.json'):
self.db = Database(name=db_name)
def _gen_salt(self, length=6, chars=string.ascii_letters):
return ''.join([random.choice(chars) for _ in range(length)])
def _gen_password(self):
return '12345'
def create_user(self, kind, username, **kwargs):
# Create client in the database
if kind == 'client':
user_id = self.db.new_client(**kwargs)
elif kind == 'employee':
user_id = self.db.new_employee(**kwargs)
else:
raise Exception('Invalid user.')
# Create new user in the database
salt = self._gen_salt()
m = hashlib.sha256()
m.update(self._gen_password().encode('utf-8'))
m.update(salt.encode('utf-8'))
self.db.new_user(username, m.hexdigest(), salt, user_id)
return user_id
# Client needs to know the password
def login(self, username, password):
# retrieve the data from db
info = self.db.get_login_data(username)
if not info:
# wrong username
return False
# generate the password
m = hashlib.sha256()
m.update(password.encode('utf-8'))
m.update(info['salt'].encode('utf-8'))
return info['password'] == m.hexdigest()
class Controller():
def __init__(self, db_name='db.json'):
self.db = Database(name=db_name)
self.a = Authentication(db_name=db_name)
def login(self, username, password):
return self.a.login(username, password)
def create_client(self, username, **kwargs):
return self.a.create_user('client', username, **kwargs)
def create_client_req(self, **kwargs):
event_id = self.db.new_event(**kwargs)
clients_events = self.db.get_client('id',kwargs['client_id'], all_data=False)[0]['events']
clients_events.append(event_id)
self.db.update_client_events(kwargs['client_id'], clients_events)
return event_id
def create_employee(self, username, **kwargs):
return self.a.create_user('employee', username, **kwargs)
def update_event(self, **kwargs):
self.db.update_event(kwargs)
def create_task(self, **kwargs):
return self.db.new_task(**kwargs)
def update_task(self, **kwargs):
self.db.update_task(kwargs)
def create_financial_req(self, **kwargs):
return self.db.new_financial_req(**kwargs)
def create_recruitment_req(self, **kwargs):
return self.db.new_recruitment_req(**kwargs)
def update_recruitment_req(self, **kwargs):
return self.db.update_recruitment_req(kwargs)
def update_financial_req(self, **kwargs):
self.db.update_financial_req(kwargs)
def get_user_id(self, username):
return self.db.get_login_data(username)['user_id']
def update_client_events(self, cl_id, events):
self.db.update_client_events(cl_id, events)
def get_client(self, col_name='', criteria='', all_data=True):
return self._get_data('client', col_name, criteria, all_data)
def get_employee(self, col_name='', criteria='', all_data=True):
return self._get_data('employee', col_name, criteria, all_data)
def get_task(self, col_name='', criteria='', all_data=True):
return self._get_data('task', col_name, criteria, all_data)
def get_event(self, col_name='', criteria='', all_data=True):
return self._get_data('event', col_name, criteria, all_data)
def get_financial_req(self, col_name='', criteria='', all_data=True):
return self._get_data('financial_req', col_name, criteria, all_data)
def get_recruitment_req(self, col_name='', criteria='', all_data=True):
return self._get_data('recruitment_req', col_name, criteria, all_data)
def _get_data(self, table, col_name, criteria, all_data):
return getattr(self.db, "get_%s" % table)(col_name, criteria, all_data)
