def test_verify(self, secret, now, src, ttl_sec, token, backend,
monkeypatch):
print("testing ....1")
f = Fernet2(secret.encode("ascii"), backend=backend)
current_time = calendar.timegm(iso8601.parse_date(now).utctimetuple())
monkeypatch.setattr(time, "time", lambda: current_time)
payload = f.decrypt(token.encode("ascii"), ttl=ttl_sec)
assert payload == src.encode("ascii")
def test_timestamp_ignored_no_ttl(self, monkeypatch, backend):
f = Fernet2(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
pt = b"encrypt me"
token = f.encrypt(pt)
ts = "1985-10-26T01:20:01-07:00"
current_time = calendar.timegm(iso8601.parse_date(ts).utctimetuple())
monkeypatch.setattr(time, "time", lambda: current_time)
assert f.decrypt(token, ttl=None) == pt
def test_adata(self, backend):
adata = "Hello"
ptxt = "spring break is coming"
secret = "cx_0x689RpI-jtRR7oE8h_eQsKImvJapLeSbXpwF4e4="
f = Fernet2(secret.encode("ascii"), backend=backend)
ctxt = f.encrypt(ptxt, adata)
adata_diff = "Hello World"
with pytest.raises(InvalidToken):
f.decrypt(token = ctxt, adata = adata_diff)
def _decrypt(fields):
fn = Fernet2(SECRET_KEY)
result = {}
for k, v in fields.iteritems():
if k in ENCRYPTED_COLS:
result[k] = fn.decrypt(str(v).encode('utf-8'), ASSOCIATED_DATA)
else:
result[k] = str(v).encode('utf-8')
return result
def test_encrypt(self, adata, secret, ptxt, ctxt, iv, backend,
monkeypatch):
print("testing ....encrypt")
f = Fernet2(secret.encode("ascii"), backend=backend)
# is this correct or should I use this? base64.urlsafe_b64encode(os.urandom(32))
current_rand = os.urandom(16)
monkeypatch.setattr(os, "urandom", lambda: current_rand)
# would this even work to check decryption with another key?
payload = f.decrypt(ctxt.encode("ascii"), adata = adata)
assert payload == ptxt.encode("ascii")
def test_invalid_start_byte(self, backend):
f = Fernet2(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
with pytest.raises(InvalidToken):
f.decrypt(base64.urlsafe_b64encode(b"\x83"))
def test_invalid(self, secret, token, now, ttl_sec, backend, monkeypatch):
f = Fernet2(secret.encode("ascii"), backend=backend)
current_time = calendar.timegm(iso8601.parse_date(now).utctimetuple())
monkeypatch.setattr(time, "time", lambda: current_time)
with pytest.raises(InvalidToken):
f.decrypt(token.encode("ascii"), ttl=ttl_sec)
def test_default_backend():
f = Fernet2(Fernet2.generate_key())
assert f._backend is default_backend()
def test_decrypt(self, adata, secret, ptxt, ctxt, iv, backend,
monkeypatch):
print("testing ....decrpyt")
f = Fernet2(secret.encode("ascii"), backend=backend)
payload = f.decrypt(ctxt.encode("ascii"), adata = adata)
assert payload == ptxt.encode("ascii")
def test_bad_key(self, backend):
with pytest.raises(ValueError):
Fernet2(base64.urlsafe_b64encode(b"abc"), backend=backend)
def test_roundtrips(self, message, backend):
f = Fernet2(Fernet2.generate_key(), backend=backend)
assert f.decrypt(f.encrypt(message)) == message
def test_unicode(self, backend):
f = Fernet2(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
with pytest.raises(TypeError):
f.encrypt(u"")
with pytest.raises(TypeError):
f.decrypt(u"")
def test_non_base64_token(self, backend):
f = Fernet2(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
with pytest.raises(InvalidToken):
f.decrypt(b"\x00")
def test_timestamp_too_short(self, backend):
f = Fernet2(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
with pytest.raises(InvalidToken):
f.decrypt(base64.urlsafe_b64encode(b"\x80abc"))
