64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package adapters
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import (
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"net"
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"net/http"
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"strings"
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C "github.com/Dreamacro/clash/constant"
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)
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// HTTPAdapter is a adapter for HTTP connection
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type HTTPAdapter struct {
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addr *C.Addr
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conn net.Conn
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R *http.Request
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}
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// Close HTTP connection
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func (h *HTTPAdapter) Close() {
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h.conn.Close()
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}
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// Addr return destination address
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func (h *HTTPAdapter) Addr() *C.Addr {
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return h.addr
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}
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// Conn return raw net.Conn of HTTP
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func (h *HTTPAdapter) Conn() net.Conn {
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return h.conn
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}
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// NewHTTP is HTTPAdapter generator
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func NewHTTP(request *http.Request, conn net.Conn) *HTTPAdapter {
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return &HTTPAdapter{
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addr: parseHTTPAddr(request),
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R: request,
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conn: conn,
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}
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}
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// RemoveHopByHopHeaders remove hop-by-hop header
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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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