40b8fd3406
Before `#parse_curl_output` was introduced and related methods were updated to use it, `#url_protected_by_cloudflare?` and `#url_protected_by_incapsula?` were checking a string of all the headers from a response and using a regex to check related header values. However, when `#curl_http_content_headers_and_checksum` was updated to use `#parse_curl_output` internally, the `:headers` value became a hash generated by `#parse_curl_response`. The `#url_protected_by_*` methods were updated to work with the hash value but this wasn't able to fully replicate the previous behavior because `#parse_curl_response` was only keeping the last instance of a given header (maintaining pre-existing behavior). This is an issue for these methods because they check `Set-Cookie` headers and there can be multiple instances of this header in a response. This commit updates these methods to handle an array of strings in addition to the existing string support. This change ensures that these methods properly check all `Set-Cookie` headers, effectively reinstating the previous behavior. Past that, this updates one of the early return values in `#url_protected_by_cloudflare?` to be `false` instead of an implicit `nil`. After adding a type signature to this method, it became clear that it wasn't always returning a boolean value and this fixes it.
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