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"""
test_hashing
~~~~~~~~~~~~
hashing tests
:copyright: (c) 2019-2025 by J. Christopher Wagner (jwag).
:license: MIT, see LICENSE for more details.
"""
import timeit
import pytest
from pytest import raises
from tests.test_utils import authenticate, init_app_with_options
from passlib.hash import argon2, pbkdf2_sha256, django_pbkdf2_sha256, plaintext
from flask_security.core import _get_pwd_context, _get_hashing_context
from flask_security.utils import (
hash_password,
verify_password,
get_hmac,
verify_and_update_password,
)
def test_verify_password_double_hash(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {"argon2__rounds": 1},
"SECURITY_PASSWORD_SALT": "salty",
"SECURITY_PASSWORD_SINGLE_HASH": False,
},
)
with app.app_context():
hashed_pwd = hash_password("pass")
assert verify_password("pass", hashed_pwd)
assert "t=1" in hashed_pwd
# Verify double hash
assert verify_password("pass", argon2.hash(get_hmac("pass")))
def test_verify_password_single_hash(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {"argon2__rounds": 1},
"SECURITY_PASSWORD_SALT": None,
"SECURITY_PASSWORD_SINGLE_HASH": True,
},
)
with app.app_context():
assert verify_password("pass", hash_password("pass"))
def test_verify_password_single_hash_list(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {"argon2__rounds": 1},
"SECURITY_PASSWORD_SALT": "salty",
"SECURITY_PASSWORD_SINGLE_HASH": ["django_pbkdf2_sha256", "plaintext"],
"SECURITY_PASSWORD_SCHEMES": [
"argon2",
"pbkdf2_sha256",
"django_pbkdf2_sha256",
"plaintext",
],
},
)
with app.app_context():
# double hash
assert verify_password("pass", hash_password("pass"))
assert verify_password("pass", pbkdf2_sha256.hash(get_hmac("pass")))
# single hash
assert verify_password("pass", django_pbkdf2_sha256.hash("pass"))
assert verify_password("pass", plaintext.hash("pass"))
def test_verify_password_backward_compatibility(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {"argon2__rounds": 1},
"SECURITY_PASSWORD_SINGLE_HASH": False,
"SECURITY_PASSWORD_SCHEMES": ["argon2", "plaintext"],
},
)
with app.app_context():
# double hash
assert verify_password("pass", hash_password("pass"))
# single hash
assert verify_password("pass", plaintext.hash("pass"))
def test_login_with_bcrypt_enabled(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "bcrypt",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {
"bcrypt__rounds": 4, # minimum so test is faster
},
"SECURITY_PASSWORD_SALT": "salty",
"SECURITY_PASSWORD_SINGLE_HASH": False,
},
)
response = authenticate(app.test_client(), follow_redirects=True)
assert b"Home Page" in response.data
# Above created all accounts using bcrypt - now change over to argon
# and verify that verify_and_update_password works
app.config["SECURITY_PASSWORD_HASH"] = "argon2"
app.config["SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS"] = dict(argon2__rounds=1)
app.config["SECURITY_PASSWORD_SCHEMES"] = ["argon2", "bcrypt"]
app.security.pwd_context = _get_pwd_context(app)
app.security.hashing_context = _get_hashing_context(app)
with app.app_context():
user1 = sqlalchemy_datastore.find_user(email="gal@lp.com")
assert app.security.pwd_context.identify(user1.password) == "bcrypt"
assert verify_and_update_password("password", user1)
# above should have rewritten password to argon1
sqlalchemy_datastore.commit()
assert verify_and_update_password("password", user1)
user1 = sqlalchemy_datastore.find_user(email="gal@lp.com")
assert app.security.pwd_context.identify(user1.password) == "argon2"
def test_missing_hash_salt_option(app, sqlalchemy_datastore):
with raises(RuntimeError):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_SALT": None,
"SECURITY_PASSWORD_SINGLE_HASH": False,
},
)
def test_verify_password_argon2_opts(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {
"argon2__rounds": 1,
"argon2__salt_size": 16,
"argon2__hash_len": 16,
},
},
)
with app.app_context():
hashed_pwd = hash_password("pass")
assert "t=1" in hashed_pwd
assert verify_password("pass", hashed_pwd)
@pytest.mark.skip
def test_bcrypt_speed(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "bcrypt",
"SECURITY_PASSWORD_SALT": "salty",
"SECURITY_PASSWORD_SINGLE_HASH": False,
},
)
with app.app_context():
print(timeit.timeit(lambda: hash_password("pass"), number=100))
@pytest.mark.skip
def test_argon2_speed(app, sqlalchemy_datastore):
init_app_with_options(
app,
sqlalchemy_datastore,
**{
"SECURITY_PASSWORD_HASH": "argon2",
"SECURITY_PASSWORD_HASH_PASSLIB_OPTIONS": {"argon2__rounds": 10},
},
)
with app.app_context():
print(
"Hash time for {} iterations: {}".format(
100, timeit.timeit(lambda: hash_password("pass"), number=100)
)
)
|
