示例#1
0
def test_expected_http_body_size():
    # Expect: 100-continue
    assert expected_http_body_size(
        treq(headers=Headers(expect="100-continue", content_length="42"))) == 0

    # http://tools.ietf.org/html/rfc7230#section-3.3
    assert expected_http_body_size(
        treq(method=b"HEAD"), tresp(headers=Headers(content_length="42"))) == 0
    assert expected_http_body_size(treq(method=b"CONNECT"), tresp()) == 0
    for code in (100, 204, 304):
        assert expected_http_body_size(treq(), tresp(status_code=code)) == 0

    # chunked
    assert expected_http_body_size(
        treq(headers=Headers(transfer_encoding="chunked")), ) is None

    # explicit length
    for val in (b"foo", b"-7"):
        with pytest.raises(exceptions.HttpSyntaxException):
            expected_http_body_size(treq(headers=Headers(content_length=val)))
    assert expected_http_body_size(
        treq(headers=Headers(content_length="42"))) == 42

    # no length
    assert expected_http_body_size(treq(headers=Headers())) == 0
    assert expected_http_body_size(treq(headers=Headers()),
                                   tresp(headers=Headers())) == -1
示例#2
0
def test_expected_http_body_size():
    # Expect: 100-continue
    assert expected_http_body_size(
        treq(headers=Headers(expect="100-continue", content_length="42"))
    ) == 0

    # http://tools.ietf.org/html/rfc7230#section-3.3
    assert expected_http_body_size(
        treq(method=b"HEAD"),
        tresp(headers=Headers(content_length="42"))
    ) == 0
    assert expected_http_body_size(
        treq(method=b"CONNECT"),
        tresp()
    ) == 0
    for code in (100, 204, 304):
        assert expected_http_body_size(
            treq(),
            tresp(status_code=code)
        ) == 0

    # chunked
    assert expected_http_body_size(
        treq(headers=Headers(transfer_encoding="chunked")),
    ) is None

    # explicit length
    for val in (b"foo", b"-7"):
        with pytest.raises(exceptions.HttpSyntaxException):
            expected_http_body_size(
                treq(headers=Headers(content_length=val))
            )
    assert expected_http_body_size(
        treq(headers=Headers(content_length="42"))
    ) == 42

    # no length
    assert expected_http_body_size(
        treq(headers=Headers())
    ) == 0
    assert expected_http_body_size(
        treq(headers=Headers()), tresp(headers=Headers())
    ) == -1
示例#3
0
def expected_http_body_size(
    request: request.Request,
    response: Optional[response.Response] = None,
    expect_continue_as_0: bool = True,
):
    """
    Like the non-sans-io version, but also treating CONNECT as content-length: 0
    """
    if request.data.method.upper() == b"CONNECT":
        return 0
    return read.expected_http_body_size(request, response,
                                        expect_continue_as_0)
示例#4
0
def test_expected_http_body_size():
    # Expect: 100-continue
    assert expected_http_body_size(
        treq(headers=Headers(expect="100-continue", content_length="42")),
        expect_continue_as_0=True) == 0
    # Expect: 100-continue
    assert expected_http_body_size(
        treq(headers=Headers(expect="100-continue", content_length="42")),
        expect_continue_as_0=False) == 42

    # http://tools.ietf.org/html/rfc7230#section-3.3
    assert expected_http_body_size(
        treq(method=b"HEAD"), tresp(headers=Headers(content_length="42"))) == 0
    assert expected_http_body_size(
        treq(method=b"CONNECT"),
        None,
    ) == 0
    assert expected_http_body_size(treq(method=b"CONNECT"), tresp()) == 0
    for code in (100, 204, 304):
        assert expected_http_body_size(treq(), tresp(status_code=code)) == 0

    # chunked
    assert expected_http_body_size(
        treq(headers=Headers(transfer_encoding="chunked")), ) is None

    # explicit length
    for val in (b"foo", b"-7"):
        with pytest.raises(ValueError):
            expected_http_body_size(treq(headers=Headers(content_length=val)))
    assert expected_http_body_size(
        treq(headers=Headers(content_length="42"))) == 42

    # more than 1 content-length headers with same value
    assert expected_http_body_size(
        treq(headers=Headers([(b'content-length',
                               b'42'), (b'content-length', b'42')]))) == 42

    # more than 1 content-length headers with conflicting value
    with pytest.raises(ValueError):
        expected_http_body_size(
            treq(headers=Headers([(b'content-length',
                                   b'42'), (b'content-length', b'45')])))

    # no length
    assert expected_http_body_size(treq(headers=Headers())) == 0
    assert expected_http_body_size(treq(headers=Headers()),
                                   tresp(headers=Headers())) == -1
示例#5
0
def test_expected_http_body_size():
    # Expect: 100-continue
    assert expected_http_body_size(
        treq(headers=Headers(expect="100-continue", content_length="42")),
    ) == 42

    # http://tools.ietf.org/html/rfc7230#section-3.3
    assert expected_http_body_size(
        treq(method=b"HEAD"), tresp(headers=Headers(content_length="42"))) == 0
    assert expected_http_body_size(
        treq(method=b"CONNECT", headers=Headers()),
        None,
    ) == 0
    assert expected_http_body_size(treq(method=b"CONNECT"), tresp()) == 0
    for code in (100, 204, 304):
        assert expected_http_body_size(treq(), tresp(status_code=code)) == 0

    # chunked
    assert expected_http_body_size(
        treq(headers=Headers(transfer_encoding="chunked")), ) is None
    assert expected_http_body_size(
        treq(headers=Headers(transfer_encoding="gzip,\tchunked")), ) is None
    # both content-length and chunked (possible request smuggling)
    with pytest.raises(
            ValueError,
            match=
            "Received both a Transfer-Encoding and a Content-Length header"):
        expected_http_body_size(
            treq(headers=Headers(transfer_encoding="chunked",
                                 content_length="42")), )
    with pytest.raises(ValueError, match="Invalid transfer encoding"):
        expected_http_body_size(
            treq(headers=Headers(transfer_encoding="chun\u212Aed")
                 ),  # "chunKed".lower() == "chunked"
        )
    with pytest.raises(ValueError, match="Unknown transfer encoding"):
        expected_http_body_size(
            treq(headers=Headers(transfer_encoding="chun ked")
                 ),  # "chunKed".lower() == "chunked"
        )
    with pytest.raises(ValueError, match="Unknown transfer encoding"):
        expected_http_body_size(
            treq(headers=Headers(transfer_encoding="qux")), )
    # transfer-encoding: gzip
    with pytest.raises(ValueError, match="Invalid request transfer encoding"):
        expected_http_body_size(
            treq(headers=Headers(transfer_encoding="gzip")), )
    assert expected_http_body_size(
        treq(),
        tresp(headers=Headers(transfer_encoding="gzip")),
    ) == -1

    # explicit length
    for val in (b"foo", b"-7"):
        with pytest.raises(ValueError):
            expected_http_body_size(treq(headers=Headers(content_length=val)))
    assert expected_http_body_size(
        treq(headers=Headers(content_length="42"))) == 42
    # multiple content-length headers with same value
    assert expected_http_body_size(
        treq(headers=Headers([(b'content-length',
                               b'42'), (b'content-length', b'42')]))) == 42
    # multiple content-length headers with conflicting value
    with pytest.raises(ValueError, match="Conflicting Content-Length headers"):
        expected_http_body_size(
            treq(headers=Headers([(b'content-length',
                                   b'42'), (b'content-length', b'45')])))

    # non-int content-length
    with pytest.raises(ValueError, match="Invalid Content-Length header"):
        expected_http_body_size(
            treq(headers=Headers([(b'content-length', b'NaN')])))
    # negative content-length
    with pytest.raises(ValueError, match="Negative Content-Length header"):
        expected_http_body_size(
            treq(headers=Headers([(b'content-length', b'-1')])))

    # no length
    assert expected_http_body_size(treq(headers=Headers())) == 0
    assert expected_http_body_size(treq(headers=Headers()),
                                   tresp(headers=Headers())) == -1