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newr1/location_app/app/functions/auth/change_password.py
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import sqlite3 as sql | |
from app.functions.auth import base | |
import re | |
database_user = "app/databases/users.db" | |
def change_password(data): | |
""" | |
Takes in data for password change and checks if | |
data matches the one in the database, then | |
returns 'success' or an error message | |
""" | |
base.create() | |
_status = check_pass_data(data) | |
if _status == "success": | |
update_password(data) | |
return _status | |
def check_pass_data(data): | |
""" | |
Compares dates of birth and if the new passwords match, | |
then returns 'success' or an error message | |
""" | |
_status = check_empty(data) | |
if _status == "ok": | |
if base.tid_exists(data['username']): | |
_date = f"{data['day']}-{data['month']}-{data['year']}" | |
if not base.compare(data['username'], _date, "dob"): | |
return "wrong_date" | |
if not (data['password'] == data['r_password']): | |
return "pass_no_match" | |
pass_status = is_pass_valid(data['password']) | |
if pass_status != "ok": | |
return pass_status | |
return "success" | |
return "no_id" | |
else: | |
return _status | |
def check_empty(data): | |
""" | |
Checks if all the fields in the dictionary are filled, | |
if not tells which one is missing | |
""" | |
if data['username'] == "": | |
return "empty_id" | |
elif data['day'] == "0": | |
return "empty_bday" | |
elif data['month'] == "0": | |
return "empty_bday" | |
elif data['year'] == "0": | |
return "empty_bday" | |
elif data['password'] == "": | |
return "empty_pass" | |
elif data['password'] == "": | |
return "empty_rpass" | |
else: | |
return "ok" | |
def is_pass_valid(password): | |
""" | |
Checks if the user inputted password matches all | |
the criteria | |
""" | |
if len(password) < 5: | |
return "too_short" | |
elif len(password) > 15: | |
return "too_long" | |
elif not re.search("[A-Z]", password): | |
return "no_up" | |
elif not re.search("[a-z]", password): | |
return "no_low" | |
elif not re.search("[0-9]", password): | |
return "no_num" | |
elif not re.search("[^a-zA-Z0-9_]", password): | |
return "no_sym" | |
else: | |
return "ok" | |
def update_password(data): | |
""" | |
Updates the password for the user | |
""" | |
con = sql.connect(database_user) | |
cur = con.cursor() | |
cur.execute(f""" | |
UPDATE UserDatabase | |
SET password='{data['password']}' | |
WHERE username='{data['username']}'; | |
""") | |
con.commit() | |
cur.close() | |
con.close() |