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# -*- coding: utf-8 -*-
"""
tests.security
~~~~~~~~~~~~~~
Tests the security helpers.
:copyright: 2007 Pallets
:license: BSD-3-Clause
"""
import os
import posixpath
import pytest
from werkzeug.security import check_password_hash
from werkzeug.security import generate_password_hash
from werkzeug.security import pbkdf2_hex
from werkzeug.security import safe_join
from werkzeug.security import safe_str_cmp
def test_safe_str_cmp():
assert safe_str_cmp("a", "a") is True
assert safe_str_cmp(b"a", u"a") is True
assert safe_str_cmp("a", "b") is False
assert safe_str_cmp(b"aaa", "aa") is False
assert safe_str_cmp(b"aaa", "bbb") is False
assert safe_str_cmp(b"aaa", u"aaa") is True
assert safe_str_cmp(u"aaa", u"aaa") is True
def test_safe_str_cmp_no_builtin():
import werkzeug.security as sec
prev_value = sec._builtin_safe_str_cmp
sec._builtin_safe_str_cmp = None
assert safe_str_cmp("a", "ab") is False
assert safe_str_cmp("str", "str") is True
assert safe_str_cmp("str1", "str2") is False
sec._builtin_safe_str_cmp = prev_value
def test_password_hashing():
hash0 = generate_password_hash("default")
assert check_password_hash(hash0, "default")
assert hash0.startswith("pbkdf2:sha256:150000$")
hash1 = generate_password_hash("default", "sha1")
hash2 = generate_password_hash(u"default", method="sha1")
assert hash1 != hash2
assert check_password_hash(hash1, "default")
assert check_password_hash(hash2, "default")
assert hash1.startswith("sha1$")
assert hash2.startswith("sha1$")
with pytest.raises(ValueError):
check_password_hash("$made$up$", "default")
with pytest.raises(ValueError):
generate_password_hash("default", "sha1", salt_length=0)
fakehash = generate_password_hash("default", method="plain")
assert fakehash == "plain$$default"
assert check_password_hash(fakehash, "default")
mhash = generate_password_hash(u"default", method="md5")
assert mhash.startswith("md5$")
assert check_password_hash(mhash, "default")
legacy = "md5$$c21f969b5f03d33d43e04f8f136e7682"
assert check_password_hash(legacy, "default")
legacy = u"md5$$c21f969b5f03d33d43e04f8f136e7682"
assert check_password_hash(legacy, "default")
def test_safe_join():
assert safe_join("foo", "bar/baz") == posixpath.join("foo", "bar/baz")
assert safe_join("foo", "../bar/baz") is None
if os.name == "nt":
assert safe_join("foo", "foo\\bar") is None
def test_safe_join_os_sep():
import werkzeug.security as sec
prev_value = sec._os_alt_seps
sec._os_alt_seps = "*"
assert safe_join("foo", "bar/baz*") is None
sec._os_alt_steps = prev_value
def test_pbkdf2():
def check(data, salt, iterations, keylen, hashfunc, expected):
rv = pbkdf2_hex(data, salt, iterations, keylen, hashfunc)
assert rv == expected
# From RFC 6070
# Assumes default keylen is 20
# check('password', 'salt', 1, None,
# '0c60c80f961f0e71f3a9b524af6012062fe037a6')
check("password", "salt", 1, 20, "sha1", "0c60c80f961f0e71f3a9b524af6012062fe037a6")
check("password", "salt", 2, 20, "sha1", "ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957")
check(
"password", "salt", 4096, 20, "sha1", "4b007901b765489abead49d926f721d065a429c1"
)
check(
"passwordPASSWORDpassword",
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
4096,
25,
"sha1",
"3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038",
)
check(
"pass\x00word", "sa\x00lt", 4096, 16, "sha1", "56fa6aa75548099dcc37d7f03425e0c3"
)
# PBKDF2-HMAC-SHA256 test vectors
check(
"password",
"salt",
1,
32,
"sha256",
"120fb6cffcf8b32c43e7225256c4f837a86548c92ccc35480805987cb70be17b",
)
check(
"password",
"salt",
2,
32,
"sha256",
"ae4d0c95af6b46d32d0adff928f06dd02a303f8ef3c251dfd6e2d85a95474c43",
)
check(
"password",
"salt",
4096,
20,
"sha256",
"c5e478d59288c841aa530db6845c4c8d962893a0",
)
# This one is from the RFC but it just takes for ages
# check('password', 'salt', 16777216, 20,
# 'eefe3d61cd4da4e4e9945b3d6ba2158c2634e984')
# From Crypt-PBKDF2
check(
"password",
"ATHENA.MIT.EDUraeburn",
1,
16,
"sha1",
"cdedb5281bb2f801565a1122b2563515",
)
check(
"password",
"ATHENA.MIT.EDUraeburn",
1,
32,
"sha1",
"cdedb5281bb2f801565a1122b25635150ad1f7a04bb9f3a333ecc0e2e1f70837",
)
check(
"password",
"ATHENA.MIT.EDUraeburn",
2,
16,
"sha1",
"01dbee7f4a9e243e988b62c73cda935d",
)
check(
"password",
"ATHENA.MIT.EDUraeburn",
2,
32,
"sha1",
"01dbee7f4a9e243e988b62c73cda935da05378b93244ec8f48a99e61ad799d86",
)
check(
"password",
"ATHENA.MIT.EDUraeburn",
1200,
32,
"sha1",
"5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13",
)
check(
"X" * 64,
"pass phrase equals block size",
1200,
32,
"sha1",
"139c30c0966bc32ba55fdbf212530ac9c5ec59f1a452f5cc9ad940fea0598ed1",
)
check(
"X" * 65,
"pass phrase exceeds block size",
1200,
32,
"sha1",
"9ccad6d468770cd51b10e6a68721be611a8b4d282601db3b36be9246915ec82a",
)
|
