sanic/tests/test_cookies.py
Adam Hopkins 1a63b9bec0
Add convenience methods for cookie creation and deletion (#2706)
* Add convenience methods for cookie creation and deletion

* Restore del

* Backwards compat, forward thinking

* Add delitem deprecation notice

* Add get full deprecation notice

* Add deprecation docstring

* Better deprecation docstring

* Add has_cookie

* Same defaults

* Better deprecation message

* Accessor annotations

* make pretty

* parse cookies

* Revert quote translator

* make pretty

* make pretty

* Add unit tests

* Make pretty

* Fix unit tests

* Directly include unquote

* Add some more unit tests

* Move modules into their own dir

* make pretty

* cleanup test imports

* Add test for cookie accessor

* Make test consistent

* Remove file

* Remove additional escaping

* Add header style getattr for hyphens

* Add test for cookie accessor with hyphens

* Add new translator

* Parametrize test_request_with_duplicate_cookie_key

* make pretty

* Add deprecation of direct cookie encoding

* Speedup Cookie creation

* Implement prefixes on delete_cookie

* typing changes

* Add passthru functions on response objects for setting cookies

* Add test for passthru

---------

Co-authored-by: L. Kärkkäinen <98187+Tronic@users.noreply.github.com>
2023-03-21 11:25:35 +02:00

521 lines
16 KiB
Python

from datetime import datetime, timedelta
from http.cookies import SimpleCookie
from unittest.mock import Mock
import pytest
from sanic import Request, Sanic
from sanic.compat import Header
from sanic.cookies import Cookie, CookieJar
from sanic.cookies.request import CookieRequestParameters
from sanic.exceptions import ServerError
from sanic.response import text
from sanic.response.convenience import json
# ------------------------------------------------------------ #
# GET
# ------------------------------------------------------------ #
def test_cookies(app):
@app.route("/")
def handler(request):
cookie_value = request.cookies["test"]
response = text(f"Cookies are: {cookie_value}")
response.cookies["right_back"] = "at you"
return response
request, response = app.test_client.get("/", cookies={"test": "working!"})
response_cookies = SimpleCookie()
response_cookies.load(response.headers.get("Set-Cookie", {}))
assert response.text == "Cookies are: working!"
assert response_cookies["right_back"].value == "at you"
@pytest.mark.asyncio
async def test_cookies_asgi(app):
@app.route("/")
def handler(request):
cookie_value = request.cookies["test"]
response = text(f"Cookies are: {cookie_value}")
response.cookies["right_back"] = "at you"
return response
request, response = await app.asgi_client.get(
"/", cookies={"test": "working!"}
)
response_cookies = SimpleCookie()
response_cookies.load(response.headers.get("set-cookie", {}))
assert response.body == b"Cookies are: working!"
assert response_cookies["right_back"].value == "at you"
@pytest.mark.parametrize("httponly,expected", [(False, False), (True, True)])
def test_false_cookies_encoded(app, httponly, expected):
@app.route("/")
def handler(request):
response = text("hello cookies")
response.cookies["hello"] = "world"
response.cookies["hello"]["httponly"] = httponly
return text(response.cookies["hello"].encode("utf8").decode())
request, response = app.test_client.get("/")
assert ("HttpOnly" in response.text) == expected
@pytest.mark.parametrize("httponly,expected", [(False, False), (True, True)])
def test_false_cookies(app, httponly, expected):
@app.route("/")
def handler(request):
response = text("hello cookies")
response.cookies["right_back"] = "at you"
response.cookies["right_back"]["httponly"] = httponly
return response
request, response = app.test_client.get("/")
response_cookies = SimpleCookie()
response_cookies.load(response.headers.get("Set-Cookie", {}))
assert ("HttpOnly" in response_cookies["right_back"].output()) == expected
def test_http2_cookies(app):
@app.route("/")
async def handler(request):
cookie_value = request.cookies["test"]
response = text(f"Cookies are: {cookie_value}")
return response
headers = {"cookie": "test=working!"}
request, response = app.test_client.get("/", headers=headers)
assert response.text == "Cookies are: working!"
def test_cookie_options(app):
@app.route("/")
def handler(request):
response = text("OK")
response.cookies["test"] = "at you"
response.cookies["test"]["httponly"] = True
response.cookies["test"]["expires"] = datetime.now() + timedelta(
seconds=10
)
return response
request, response = app.test_client.get("/")
response_cookies = SimpleCookie()
response_cookies.load(response.headers.get("Set-Cookie", {}))
assert response_cookies["test"].value == "at you"
assert response_cookies["test"]["httponly"] is True
def test_cookie_deletion(app):
cookie_jar = None
@app.route("/")
def handler(request):
nonlocal cookie_jar
response = text("OK")
del response.cookies["one"]
response.cookies["two"] = "testing"
del response.cookies["two"]
cookie_jar = response.cookies
return response
_, response = app.test_client.get("/")
assert cookie_jar.get_cookie("one").max_age == 0
assert cookie_jar.get_cookie("two").max_age == 0
assert len(response.cookies) == 0
def test_cookie_reserved_cookie():
with pytest.raises(expected_exception=KeyError) as e:
Cookie("domain", "testdomain.com")
assert e.message == "Cookie name is a reserved word"
def test_cookie_illegal_key_format():
with pytest.raises(expected_exception=KeyError) as e:
Cookie("testå", "test")
assert e.message == "Cookie key contains illegal characters"
def test_cookie_set_unknown_property():
c = Cookie("test_cookie", "value")
with pytest.raises(expected_exception=KeyError) as e:
c["invalid"] = "value"
assert e.message == "Unknown cookie property"
def test_cookie_set_same_key(app):
cookies = {"test": "wait"}
@app.get("/")
def handler(request):
response = text("pass")
response.cookies["test"] = "modified"
response.cookies["test"] = "pass"
return response
request, response = app.test_client.get("/", cookies=cookies)
assert response.status == 200
assert response.cookies["test"] == "pass"
@pytest.mark.parametrize("max_age", ["0", 30, "30"])
def test_cookie_max_age(app, max_age):
cookies = {"test": "wait"}
@app.get("/")
def handler(request):
response = text("pass")
response.cookies["test"] = "pass"
response.cookies["test"]["max-age"] = max_age
return response
request, response = app.test_client.get(
"/", cookies=cookies, raw_cookies=True
)
assert response.status == 200
cookie = response.cookies.get("test")
if (
str(max_age).isdigit()
and int(max_age) == float(max_age)
and int(max_age) != 0
):
cookie_expires = datetime.utcfromtimestamp(
response.raw_cookies["test"].expires
).replace(microsecond=0)
# Grabbing utcnow after the response may lead to it being off slightly.
# Therefore, we 0 out the microseconds, and accept the test if there
# is a 1 second difference.
expires = datetime.utcnow().replace(microsecond=0) + timedelta(
seconds=int(max_age)
)
assert cookie == "pass"
assert (
cookie_expires == expires
or cookie_expires == expires + timedelta(seconds=-1)
)
else:
assert cookie is None
@pytest.mark.parametrize("max_age", [30.0, 30.1, "test"])
def test_cookie_bad_max_age(app, max_age):
cookies = {"test": "wait"}
@app.get("/")
def handler(request):
response = text("pass")
response.cookies["test"] = "pass"
response.cookies["test"]["max-age"] = max_age
return response
request, response = app.test_client.get(
"/", cookies=cookies, raw_cookies=True
)
assert response.status == 500
@pytest.mark.parametrize("expires", [timedelta(seconds=60)])
def test_cookie_expires(app: Sanic, expires: timedelta):
expires_time = datetime.utcnow().replace(microsecond=0) + expires
cookies = {"test": "wait"}
@app.get("/")
def handler(request):
response = text("pass")
response.cookies["test"] = "pass"
response.cookies["test"]["expires"] = expires_time
return response
request, response = app.test_client.get(
"/", cookies=cookies, raw_cookies=True
)
cookie_expires = datetime.utcfromtimestamp(
response.raw_cookies["test"].expires
).replace(microsecond=0)
assert response.status == 200
assert response.cookies["test"] == "pass"
assert cookie_expires == expires_time
@pytest.mark.parametrize("expires", ["Fri, 21-Dec-2018 15:30:00 GMT"])
def test_cookie_expires_illegal_instance_type(expires):
c = Cookie("test_cookie", "value")
with pytest.raises(expected_exception=TypeError) as e:
c["expires"] = expires
assert e.message == "Cookie 'expires' property must be a datetime"
@pytest.mark.parametrize("value", ("foo=one; foo=two", "foo=one;foo=two"))
def test_request_with_duplicate_cookie_key(value):
headers = Header({"Cookie": value})
request = Request(b"/", headers, "1.1", "GET", Mock(), Mock())
assert request.cookies["foo"] == "one"
assert request.cookies.get("foo") == "one"
assert request.cookies.getlist("foo") == ["one", "two"]
assert request.cookies.get("bar") is None
def test_cookie_jar_cookies():
headers = Header()
jar = CookieJar(headers)
jar.add_cookie("foo", "one")
jar.add_cookie("foo", "two", domain="example.com")
assert len(jar.cookies) == 2
assert len(headers) == 2
def test_cookie_jar_has_cookie():
headers = Header()
jar = CookieJar(headers)
jar.add_cookie("foo", "one")
jar.add_cookie("foo", "two", domain="example.com")
assert jar.has_cookie("foo")
assert jar.has_cookie("foo", domain="example.com")
assert not jar.has_cookie("foo", path="/unknown")
assert not jar.has_cookie("bar")
def test_cookie_jar_get_cookie():
headers = Header()
jar = CookieJar(headers)
cookie1 = jar.add_cookie("foo", "one")
cookie2 = jar.add_cookie("foo", "two", domain="example.com")
assert jar.get_cookie("foo") is cookie1
assert jar.get_cookie("foo", domain="example.com") is cookie2
assert jar.get_cookie("foo", path="/unknown") is None
assert jar.get_cookie("bar") is None
def test_cookie_jar_add_cookie_encode():
headers = Header()
jar = CookieJar(headers)
jar.add_cookie("foo", "one")
jar.add_cookie(
"foo",
"two",
domain="example.com",
path="/something",
secure=True,
max_age=999,
httponly=True,
samesite="strict",
)
jar.add_cookie("foo", "three", secure_prefix=True)
jar.add_cookie("foo", "four", host_prefix=True)
jar.add_cookie("foo", "five", host_prefix=True, partitioned=True)
encoded = [cookie.encode("ascii") for cookie in jar.cookies]
assert encoded == [
b"foo=one; Path=/; SameSite=Lax; Secure",
b"foo=two; Path=/something; Domain=example.com; Max-Age=999; SameSite=Strict; Secure; HttpOnly", # noqa
b"__Secure-foo=three; Path=/; SameSite=Lax; Secure",
b"__Host-foo=four; Path=/; SameSite=Lax; Secure",
b"__Host-foo=five; Path=/; SameSite=Lax; Secure; Partitioned",
]
def test_cookie_jar_old_school_cookie_encode():
headers = Header()
jar = CookieJar(headers)
jar["foo"] = "one"
jar["bar"] = "two"
jar["bar"]["domain"] = "example.com"
jar["bar"]["path"] = "/something"
jar["bar"]["secure"] = True
jar["bar"]["max-age"] = 999
jar["bar"]["httponly"] = True
jar["bar"]["samesite"] = "strict"
encoded = [cookie.encode("ascii") for cookie in jar.cookies]
assert encoded == [
b"foo=one; Path=/",
b"bar=two; Path=/something; Domain=example.com; Max-Age=999; SameSite=Strict; Secure; HttpOnly", # noqa
]
def test_cookie_jar_delete_cookie_encode():
headers = Header()
jar = CookieJar(headers)
jar.delete_cookie("foo")
jar.delete_cookie("foo", domain="example.com")
encoded = [cookie.encode("ascii") for cookie in jar.cookies]
assert encoded == [
b'foo=""; Path=/; Max-Age=0; Secure',
b'foo=""; Path=/; Domain=example.com; Max-Age=0; Secure',
]
def test_cookie_jar_old_school_delete_encode():
headers = Header()
jar = CookieJar(headers)
del jar["foo"]
encoded = [cookie.encode("ascii") for cookie in jar.cookies]
assert encoded == [
b'foo=""; Path=/; Max-Age=0; Secure',
]
def test_bad_cookie_prarms():
headers = Header()
jar = CookieJar(headers)
with pytest.raises(
ServerError,
match=(
"Both host_prefix and secure_prefix were requested. "
"A cookie should have only one prefix."
),
):
jar.add_cookie("foo", "bar", host_prefix=True, secure_prefix=True)
with pytest.raises(
ServerError,
match="Cannot set host_prefix on a cookie without secure=True",
):
jar.add_cookie("foo", "bar", host_prefix=True, secure=False)
with pytest.raises(
ServerError,
match="Cannot set host_prefix on a cookie unless path='/'",
):
jar.add_cookie(
"foo", "bar", host_prefix=True, secure=True, path="/foo"
)
with pytest.raises(
ServerError,
match="Cannot set host_prefix on a cookie with a defined domain",
):
jar.add_cookie(
"foo", "bar", host_prefix=True, secure=True, domain="foo.bar"
)
with pytest.raises(
ServerError,
match="Cannot set secure_prefix on a cookie without secure=True",
):
jar.add_cookie("foo", "bar", secure_prefix=True, secure=False)
with pytest.raises(
ServerError,
match=(
"Cannot create a partitioned cookie without "
"also setting host_prefix=True"
),
):
jar.add_cookie("foo", "bar", partitioned=True)
def test_cookie_accessors(app: Sanic):
@app.get("/")
async def handler(request: Request):
return json(
{
"getitem": {
"one": request.cookies["one"],
"two": request.cookies["two"],
"three": request.cookies["three"],
},
"get": {
"one": request.cookies.get("one", "fallback"),
"two": request.cookies.get("two", "fallback"),
"three": request.cookies.get("three", "fallback"),
"four": request.cookies.get("four", "fallback"),
},
"getlist": {
"one": request.cookies.getlist("one", ["fallback"]),
"two": request.cookies.getlist("two", ["fallback"]),
"three": request.cookies.getlist("three", ["fallback"]),
"four": request.cookies.getlist("four", ["fallback"]),
},
"getattr": {
"one": request.cookies.one,
"two": request.cookies.two,
"three": request.cookies.three,
"four": request.cookies.four,
},
}
)
_, response = app.test_client.get(
"/",
cookies={
"__Host-one": "1",
"__Secure-two": "2",
"three": "3",
},
)
assert response.json == {
"getitem": {
"one": "1",
"two": "2",
"three": "3",
},
"get": {
"one": "1",
"two": "2",
"three": "3",
"four": "fallback",
},
"getlist": {
"one": ["1"],
"two": ["2"],
"three": ["3"],
"four": ["fallback"],
},
"getattr": {
"one": "1",
"two": "2",
"three": "3",
"four": "",
},
}
def test_cookie_accessor_hyphens():
cookies = CookieRequestParameters({"session-token": ["abc123"]})
assert cookies.get("session-token") == cookies.session_token
def test_cookie_passthru(app):
cookie_jar = None
@app.route("/")
def handler(request):
nonlocal cookie_jar
response = text("OK")
response.add_cookie("one", "1", host_prefix=True)
response.delete_cookie("two", secure_prefix=True)
cookie_jar = response.cookies
return response
_, response = app.test_client.get("/")
assert cookie_jar.get_cookie("two", secure_prefix=True).max_age == 0
assert len(response.cookies) == 1
assert response.cookies["__Host-one"] == "1"