def signup():
"""sign up a new user"""
try:
username = json.loads(request.data.decode())['username']
password = json.loads(request.data.decode())['password'].replace(
" ", "")
email = json.loads(request.data.decode())['email'].replace(" ", "")
if re.match('^[a-zA-Z][-\w.]{0,22}([a-zA-Z\d]|(?<![-.])_)$',
username) is None:
return jsonify({'response': 'invalid username'}), 400
if not validate_email(email):
return jsonify({'response': 'invalid email'}), 400
if re.match('[A-Za-z0-9@#$%^&+=]{8,}', password) is None:
return jsonify(
{'response':
'password must contain 6 or more characters'}), 400
"""
search if the user exists in the database
"""
user = User(username, email, "")
if user.exists() is None:
user.create_user(password)
return jsonify({'response': 'user created successfully'}), 201
else:
return jsonify({'response': 'user already exists'}), 409
except (KeyError, ValueError) as ex:
print('response', ex)
return jsonify({
'response':
'json body must contain username, password and email'
}), 400
except (psycopg2.DatabaseError, psycopg2.IntegrityError, Exception) as ex:
print('error in signup', ex)
return jsonify({'response': 'something went wrong'}), 500
def login():
"""
login an existing user
"""
try:
username = json.loads(request.data.decode())['username'].replace(
" ", "")
password = json.loads(request.data.decode())['password'].replace(
" ", "")
user = User(username, "", "")
user = user.exists()
if check_password_hash(user.password_hash, password):
"""token if password is correct"""
token = auth_encode(user.user_id)
if token:
response = {
'response': 'login successful',
'token': token.decode()
}
return jsonify(response), 200
else:
return jsonify({'response': 'invalid username/password'}), 422
except (KeyError, ValueError) as ex:
print('error in login', ex)
return jsonify(
{'response': 'json body must contain username and password'}), 400
except (psycopg2.DatabaseError, psycopg2.IntegrityError, Exception) as ex:
print('error in login', ex)
return jsonify({'response': 'user not found'}), 404