mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-18 02:16:10 -05:00
45 lines
1012 B
Go
45 lines
1012 B
Go
package http
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import (
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"net/http"
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"strings"
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"v2ray.com/core/common/net"
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)
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func ParseXForwardedFor(header http.Header) []net.Address {
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xff := header.Get("X-Forwarded-For")
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if len(xff) == 0 {
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return nil
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}
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list := strings.Split(xff, ",")
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addrs := make([]net.Address, 0, len(list))
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for _, proxy := range list {
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addrs = append(addrs, net.ParseAddress(proxy))
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}
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return addrs
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}
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func RemoveHopByHopHeaders(header http.Header) {
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// Strip hop-by-hop header based on RFC:
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// http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.5.1
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// https://www.mnot.net/blog/2011/07/11/what_proxies_must_do
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header.Del("Proxy-Connection")
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header.Del("Proxy-Authenticate")
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header.Del("Proxy-Authorization")
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header.Del("TE")
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header.Del("Trailers")
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header.Del("Transfer-Encoding")
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header.Del("Upgrade")
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connections := header.Get("Connection")
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header.Del("Connection")
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if len(connections) == 0 {
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return
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}
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for _, h := range strings.Split(connections, ",") {
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header.Del(strings.TrimSpace(h))
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}
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}
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