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extract_header_cloudfront_viewer_address

http_extract

Function extract_header_cloudfront_viewer_address 

Source 
pub fn extract_header_cloudfront_viewer_address(
    headers: &HeaderMap,
) -> Result<Option<IpAddr>, Error>
Expand description

Extract an untrusted client IP from AWS CloudFront’s CloudFront-Viewer-Address IP:port value.

Both IPv4 and CloudFront’s unbracketed IPv6-with-port form are supported; bracketed IPv6 socket-address syntax is accepted as well. A missing field returns None; duplicate, non-text, empty, missing-port, invalid-port, or invalid-IP values return an error without including the value. Surrounding whitespace is ignored. This vendor field is not an IETF standard, and the result remains raw and untrusted; no sender authentication is performed.