1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
from flask import Blueprint, request, make_response
from db import cursor, connection
from randid import new_uuid
import auth.token as token
import passwords
import time
import re
# Checks wheter the usename (at signup) exist of at least 3 and at most 35 charachters
def validate_username(username):
return len(username) in range(3, 35 + 1)
# Checks if there's an '@' in the email (at signup) and if there's any input at all
def validate_email(email):
#TODO: use node_modules/email-validator/index.js
return len(email) > 1 and \
"@" in email
# Checks wheter the signed up password consist of an uppercase, lowercase and a digit & the minimal length is 8 charachters
def validate_password(password):
passwordRegex = r"^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9]).{8,}$" # r"" = raw string
return re.match(passwordRegex, password)
signup = Blueprint('signup', __name__)
@signup.route('/signup', methods = ['POST'])
def index():
# Requests information from endpoint 'signup', recieves username, email and password. It can also recieve an empty string, in that case the program will stop and return error code/http code '400'
data = request.get_json()
username = data.get("username") or ""
email = data.get("email") or ""
password = data.get("password") or ""
if not username or \
not email or \
not password:
return "", 400
#
if not validate_username(username) or \
not validate_email(email) or \
not validate_password(password):
return {"error": "form_data_invalid"}, 403
if cursor.execute("select username from users where lower(username) = lower(?)", [username]).fetchone():
return {"error": "username_taken"}, 403
if cursor.execute("select email from users where email = ?", [email]).fetchone():
return {"error": "email_taken"}, 403
user_id = new_uuid("users")
password_hash = passwords.password_hash(password)
registered = int( time.time() * 1000 )
cursor.execute("insert into users values (?, ?, ?, NULL, NULL, ?, ?, \"[]\", FALSE, \"user\", \"{}\", \"online\") ",
(user_id, username, email, password_hash, registered))
connection.commit()
new_token = token.generate_token()
token.add_token(user_id, token.hash_token(new_token))
res = make_response("", 200)
res.set_cookie("token", new_token["token"], expires = int(new_token["expirationDate"] / 1000))
return res
dynamic_route = ["/auth", signup]
|