def test_detokenize_with_expired_token_fails(self):
"""Test token decoding with no token"""
with pytest.raises(CustomError) as e_info:
token = Encryption.tokenize(USER_DATA,
subject='Testing',
minutes=-10)
Encryption.detokenize(token)
def test_password_verify_succeeds(self):
"""Test that the password verify works"""
hashed_password = Encryption.hash('password123')
is_verify = Encryption.verify(hashed_password, 'password123')
assert type(hashed_password) == str
assert is_verify
def test_password_verify_fails(self):
"""Test that the password verify fails when a wrong
password is provided"""
hashed_password = Encryption.hash('password123')
is_verify = Encryption.verify(hashed_password, 'password1234')
assert type(hashed_password) == str
assert not is_verify
def test_detokenize_succeeds(self):
"""Test token decoding"""
token = Encryption.tokenize(USER_DATA, subject='Testing', minutes=10)
decoded_token = Encryption.detokenize(token)
assert decoded_token['data'] == DECODED_TOKEN['data']
assert decoded_token['aud'] == DECODED_TOKEN['aud']
assert decoded_token['iss'] == DECODED_TOKEN['iss']
assert decoded_token['sub'] == DECODED_TOKEN['sub']
def generate_link(request, data, type='email_verification'):
"""Generate the link based on the type provided.
Args:
request (object): Request object
data (dict): User data
type (str): The type of token to be generated
Examples:
1. email_verification
2. password_reset
Returns:
Tuple: A link and the token.
"""
# gets the root url
url_root = request.url_root
token_payload = {
'email': data['email'],
}
# generates a token
token = Encryption.tokenize(token_payload, subject=type, minutes=10)
# maps the methods with link type
mapper = {
'password_reset': password_reset_link(url_root, token),
'email_verification': email_verification_link(url_root, token)
}
return mapper[type]
def post(self):
"""Post request for user login"""
# initialize the schema
schema = UserSchema()
# get the request details as json
request_json = request.get_json()
# serialize and find the user data in the database
user_details = schema.load_into_schema(request_json, partial=True)
found_user = User.query_(email=user_details['email'], deleted=False)\
.first()
# throw an error if not found
if not found_user:
return {'status': 'error', 'message': MESSAGES['NOT_FOUND']}, 404
# deserialize the user data if found, and verify the password
user = schema.dump(found_user).data
is_match = Encryption.verify(user['password'],
user_details['password'])
# if password did not match throw an error
if not is_match:
return {
'status': 'error',
'message': MESSAGES['UNAUTHORIZED']
}, 401
else:
# format the data and generate a JWT token.
formatted_data = format_user(user)
token = Encryption.tokenize(
formatted_data, subject='User_Login', days=14)
return {
'status': 'success',
'message': MESSAGES['LOGIN'],
'data': {
'token': token,
}
}, 200
def patch(self):
"""patch request to reset the user's password"""
# instantiate the user schema
user_schema = UserSchema()
# get the verification_token from the request params
reset_token = request.args.get('token')
# get the request data in json format
request_json = request.get_json()
# check if the token is valid
# serialize the request data and
# look for the token in the database
Encryption.detokenize(reset_token)
user_details = user_schema.load_into_schema(request_json, partial=True)
found_token = User.query_(password_reset=reset_token).first()
# throw an error if not found
if not found_token:
return {
'status': 'error',
'message': MESSAGES['RESET_LINK_RESEND']
}, 404
else:
# set the password reset column to none
user_details['password_reset'] = None
# hash the new password and update the password
user_details['password'] = Encryption.hash(
user_details['password'])
found_token.update_(**user_details)
return {
'status':
'success',
'message':
MESSAGES['PROCEED_TO_LOGIN'].format(
'Your password has been changed')
}, 200
def test_generate_link_for_password_reset_succeeds(self):
"""Test the generate link method"""
data = {'email': USER_DATA['email']}
actual_behaviour = generate_link(Request, data, type='password_reset')
decoded_token = Encryption.detokenize(actual_behaviour[1])
assert isinstance(actual_behaviour, tuple)
assert len(actual_behaviour) == 2
assert decoded_token['sub'] == 'password_reset'
def get(self):
"""Get request to verify the user's emails"""
# get the verification_token from the request params
verification_token = request.args.get('token')
# check if the token is valid and look for the token in the database
Encryption.detokenize(verification_token)
found_token = User.query_(token=verification_token).first()
# throw an error if not found else update and return a success message
if not found_token:
return {'status': 'error', 'message': MESSAGES['VERIFIED']}, 409
else:
found_token.update_(token=None, verified=True)
return {
'status':
'success',
'message':
MESSAGES['PROCEED_TO_LOGIN'].format(
'Your account has been successfully verified'),
}, 200
def post(self):
"""Post request for user registration"""
# instantiate the user schema
user_schema = UserSchema()
# get the request data in json format
request_json = request.get_json()
# serialize and validate the request
user_details = user_schema.load_into_schema(request_json, partial=True)
user_details['first_name'] = user_details['first_name'].strip()
user_details['last_name'] = user_details['last_name'].strip()
# check if the user already exist
found_user = User.query_(email=user_details['email']).first()
if found_user:
return {
'status': 'error',
'message': MESSAGES['DUPLICATES'].format(found_user.email)
}, 409
# hash password
user_details['password'] = Encryption.hash(user_details['password'])
# generate a random unique username
user_details['username'] = push_id.next_id()[8:]
link, user_details['token'] = generate_link(request, user_details)
# save to database and serialize the returned user data
saved_user = User(**user_details).save()
# if the save was successful, send out the verification email and
# return a success message.
if saved_user:
MailGun.with_api(
saved_user.email,
email_verification.format(style, link, 'Verification Link'),
'Email verification')
return {
'status': 'success',
'message': MESSAGES['REGISTER'],
}, 201
from api.utilities.encryption import Encryption
from api.utilities.push_id import PushID
USER_DATA = {
'firstname': 'Test',
'lastname': 'User',
'email': '*****@*****.**',
'password': '******',
}
FIXTURE_NEW_USER = {
'first_name': 'Test',
'last_name': 'User',
'username': PushID().next_id()[8:],
'email': '*****@*****.**',
'password': Encryption.hash('Password@1234'),
'verified': True,
'token': None,
'password_reset': None
}
FIXTURE_NEW_USER_TWO = {
'first_name':
'Test',
'last_name':
'User',
'username':
PushID().next_id()[8:],
'email':
'*****@*****.**',
'password':
def _encrypt(payload, subject, **kwargs):
return Encryption.tokenize(payload, subject=subject, **kwargs)
def test_detokenize_with_no_token_fails(self):
"""Test token decoding with no token"""
with pytest.raises(CustomError) as e_info:
Encryption.detokenize(None)
def test_tokenize_succeeds(self):
"""Test token generation"""
token = Encryption.tokenize(USER_DATA, subject='Testing', minutes=10)
assert type(token) == str
class TestEncryptionClass:
"""Tests encryption class"""
def test_password_hash_succeeds(self):
"""Test that passwords are hashed"""
hashed_password = Encryption.hash('password123')
assert type(hashed_password) == str
assert len(hashed_password) == 192
def test_password_verify_succeeds(self):
"""Test that the password verify works"""
hashed_password = Encryption.hash('password123')
is_verify = Encryption.verify(hashed_password, 'password123')
assert type(hashed_password) == str
assert is_verify
def test_password_verify_fails(self):
"""Test that the password verify fails when a wrong
password is provided"""
hashed_password = Encryption.hash('password123')
is_verify = Encryption.verify(hashed_password, 'password1234')
assert type(hashed_password) == str
assert not is_verify
def test_tokenize_succeeds(self):
"""Test token generation"""
token = Encryption.tokenize(USER_DATA, subject='Testing', minutes=10)
assert type(token) == str
def test_detokenize_succeeds(self):
"""Test token decoding"""
token = Encryption.tokenize(USER_DATA, subject='Testing', minutes=10)
decoded_token = Encryption.detokenize(token)
assert decoded_token['data'] == DECODED_TOKEN['data']
assert decoded_token['aud'] == DECODED_TOKEN['aud']
assert decoded_token['iss'] == DECODED_TOKEN['iss']
assert decoded_token['sub'] == DECODED_TOKEN['sub']
def test_detokenize_with_no_token_fails(self):
"""Test token decoding with no token"""
with pytest.raises(CustomError) as e_info:
Encryption.detokenize(None)
def test_detokenize_with_expired_token_fails(self):
"""Test token decoding with no token"""
with pytest.raises(CustomError) as e_info:
token = Encryption.tokenize(USER_DATA,
subject='Testing',
minutes=-10)
Encryption.detokenize(token)
