'Yields tuples containing:
* Newly found URL
* The FuzzableRequest instance passed as parameter
* The HTTPResponse generated by the FuzzableRequest
* Boolean indicating if we trust this reference or not
:param resp: HTTP response object
:param fuzzable_req: The HTTP request that generated the response'

def _urls_to_verify_generator(self, resp, fuzzable_req):

    gen = itertools.chain(self._body_url_generator(resp, fuzzable_req), headers_url_generator(resp, fuzzable_req))
    for (ref, fuzzable_req, original_resp, possibly_broken) in gen:
        if self._should_verify_extracted_url(ref, original_resp):
            (yield (ref, fuzzable_req, original_resp, possibly_broken))
