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fcb8d040e8
Instead of lengthy blurbs, switch to single-line, machine-readable standardized (https://spdx.dev) license identifiers. The Linux kernel switched long ago, so there is strong precedent. Three cases are handled: AGPL-only, Apache-only, and dual licensed. For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0), reasoning that our changes are extensive enough to apply our license. The changes we applied mechanically with a script, except to licenses/README.md. Closes #9937
80 lines
3.9 KiB
Python
80 lines
3.9 KiB
Python
# Copyright 2021-present ScyllaDB
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# Tests for CORS (Cross-origin resource sharing) protocol support.
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# If the request has the "Origin" header specifying where the script which
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# makes this request comes from, Alternator needs to reply with the header
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# "Access-Control-Allow-Origin: *" saying that this (and any) origin is fine.
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# Moreover, in a "preflight" request - with the OPTIONS method - the script
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# can also "request" in headers that the server allows it to use some
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# headers and HTTP methods in the followup request, and the server should
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# respond by "allowing" them in the response headers.
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import requests
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# If the request does not have a "Origin" header, the reply should not
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# have any of the CORS headers. We test this for the GET, POST and
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# OPTIONS methods.
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def test_cors_not_used(dynamodb):
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cors_headers = [
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'Access-Control-Allow-Origin',
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'Access-Control-Allow-Credentials',
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'Access-Control-Expose-Headers',
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'Access-Control-Max-Age',
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'Access-Control-Allow-Methods',
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'Access-Control-Allow-Headers']
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url = dynamodb.meta.client._endpoint.host
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for f in [requests.options, requests.get, requests.post]:
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response = f(url, verify=False)
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for h in cors_headers:
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assert not h in response.headers
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# If the request has the "Origin" header, the reply must have the
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# 'Access-Control-Allow-Origin: *' header, saying that this origin
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# (and any other) is fine.
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def test_cors_allow_origin(dynamodb):
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headers = {'Origin': 'http://example.com/'}
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url = dynamodb.meta.client._endpoint.host
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for f in [requests.options, requests.get, requests.post]:
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response = f(url, headers=headers, verify=False)
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assert 'Access-Control-Allow-Origin' in response.headers
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assert response.headers['Access-Control-Allow-Origin'] == '*'
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assert 'Access-Control-Expose-Headers' in response.headers
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# Only the pre-flight request has the Access-Control-Max-Age
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# header
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if f == requests.options:
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assert 'Access-Control-Max-Age' in response.headers
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else:
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assert not 'Access-Control-Max-Age' in response.headers
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# If this is a CORS request (has Origin header) pre-flight (i.e., OPTIONS
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# method), the reply should "echo" the requested headers and requested
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# methods as allowed headers and allowed methods. Other method types
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# ignore these headers, and don't need to echo them.
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def test_cors_allow_requested(dynamodb):
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headers = {
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'Origin': 'http://example.com/',
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'Access-Control-Request-Method': 'dog',
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'Access-Control-Request-Headers': 'cat, meerkat, mouse'
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}
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url = dynamodb.meta.client._endpoint.host
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for f in [requests.options, requests.get, requests.post]:
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response = f(url, headers=headers, verify=False)
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assert 'Access-Control-Allow-Origin' in response.headers
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assert response.headers['Access-Control-Allow-Origin'] == '*'
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assert 'Access-Control-Expose-Headers' in response.headers
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# Only the pre-flight request has the Access-Control-Max-Age
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# header and echo the "requested" headers and methods to the
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# reply as "allowed" headers with the same content.
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if f == requests.options:
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assert 'Access-Control-Max-Age' in response.headers
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assert 'Access-Control-Allow-Methods' in response.headers
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assert response.headers['Access-Control-Allow-Methods'] == headers['Access-Control-Request-Method']
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assert 'Access-Control-Allow-Headers' in response.headers
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assert response.headers['Access-Control-Allow-Headers'] == headers['Access-Control-Request-Headers']
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else:
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assert not 'Access-Control-Max-Age' in response.headers
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assert not 'Access-Control-Allow-Methods' in response.headers
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assert not 'Access-Control-Allow-Headers' in response.headers
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