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import json
def main(request, response):
'''Handler for getting an HTTP response customised by the given query
parameters.
The returned response will have
- HTTP headers defined by the 'headers' query parameter
- Must be a serialized JSON dictionary mapping header names to header
values
- HTTP status code defined by the 'status' query parameter
- Must be a positive serialized JSON integer like the string '200'
- Response content defined by the 'content' query parameter
- Must be a serialized JSON string representing the desired response body
'''
def query_parameter_or_default(param, default):
return request.GET.first(param) if param in request.GET else default
headers = json.loads(query_parameter_or_default(b'headers', b'"{}"'))
for k, v in headers.items():
response.headers.set(k, v)
# Note that, in order to have out-of-the-box support for tests that don't call
# setup({'allow_uncaught_exception': true})
# we return a no-op JS payload. This approach will avoid syntax errors in
# script resources that would otherwise cause the test harness to fail.
response.content = json.loads(query_parameter_or_default(b'content',
b'"/* CustomCorsResponse.py content */"'))
response.status_code = json.loads(query_parameter_or_default(b'status',
b'200'))