| from six import PY3 |
| |
| from wptserve.utils import isomorphic_encode |
| |
| def get_response(raw_headers, filter_value, filter_name): |
| result = b"" |
| # Type of raw_headers is <httplib.HTTPMessage> in Python 2 and <http.client.HTTPMessage> in |
| # Python 3. <http.client.HTTPMessage> doesn't have 'headers" attribute or equivalent |
| # [https://bugs.python.org/issue4773]. |
| # In Python 2, variable raw_headers.headers returns a completely uninterpreted list of lines |
| # contained in the header. In Python 3, raw_headers.raw_items() returns the (name, value) |
| # header pairs without modification. Here is to construct an equivalent "headers" variable to |
| # support tests in Python 3. |
| if PY3: |
| header_list = [] |
| for field in raw_headers.raw_items(): |
| header = b"%s: %s\r\n" % (isomorphic_encode(field[0]), isomorphic_encode(field[1])) |
| header_list.append(header) |
| else: |
| header_list = raw_headers.headers |
| for line in header_list: |
| if line[-2:] != b'\r\n': |
| return b"Syntax error: missing CRLF: " + line |
| line = line[:-2] |
| |
| if b': ' not in line: |
| return b"Syntax error: no colon and space found: " + line |
| name, value = line.split(b': ', 1) |
| |
| if filter_value: |
| if value == filter_value: |
| result += name + b"," |
| elif name.lower() == filter_name: |
| result += name + b": " + value + b"\n" |
| return result |
| |
| def main(request, response): |
| headers = [] |
| if b"cors" in request.GET: |
| headers.append((b"Access-Control-Allow-Origin", b"*")) |
| headers.append((b"Access-Control-Allow-Credentials", b"true")) |
| headers.append((b"Access-Control-Allow-Methods", b"GET, POST, PUT, FOO")) |
| headers.append((b"Access-Control-Allow-Headers", b"x-test, x-foo")) |
| headers.append(( |
| b"Access-Control-Expose-Headers", |
| b"x-request-method, x-request-content-type, x-request-query, x-request-content-length")) |
| headers.append((b"content-type", b"text/plain")) |
| |
| filter_value = request.GET.first(b"filter_value", b"") |
| filter_name = request.GET.first(b"filter_name", b"").lower() |
| result = get_response(request.raw_headers, filter_value, filter_name) |
| |
| return headers, result |