fastapi/tests/test_swagger_ui_escape.py

38 lines
1.1 KiB
Python

from fastapi.openapi.docs import get_swagger_ui_html
def test_init_oauth_html_chars_are_escaped():
xss_payload = "Evil</script><script>alert(1)</script>"
html = get_swagger_ui_html(
openapi_url="/openapi.json",
title="Test",
init_oauth={"appName": xss_payload},
)
body = html.body.decode()
assert "</script><script>" not in body
assert "\\u003c/script\\u003e\\u003cscript\\u003e" in body
def test_swagger_ui_parameters_html_chars_are_escaped():
html = get_swagger_ui_html(
openapi_url="/openapi.json",
title="Test",
swagger_ui_parameters={"customKey": "<img src=x onerror=alert(1)>"},
)
body = html.body.decode()
assert "<img src=x onerror=alert(1)>" not in body
assert "\\u003cimg" in body
def test_normal_init_oauth_still_works():
html = get_swagger_ui_html(
openapi_url="/openapi.json",
title="Test",
init_oauth={"clientId": "my-client", "appName": "My App"},
)
body = html.body.decode()
assert '"clientId": "my-client"' in body
assert '"appName": "My App"' in body
assert "ui.initOAuth" in body