mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
synced 2024-12-22 08:54:26 +03:00
2ed409888b
The maintainers messed with the v1.5.2 tag which causes Go checksum validation problems as the Go module proxy saw and recorded the original hash. This updates to 1.5.3 which doesn't have the issue.
77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package websocket
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import (
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"bufio"
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"encoding/base64"
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"errors"
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"net"
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"net/http"
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"net/url"
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"strings"
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)
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type netDialerFunc func(network, addr string) (net.Conn, error)
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func (fn netDialerFunc) Dial(network, addr string) (net.Conn, error) {
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return fn(network, addr)
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}
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func init() {
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proxy_RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy_Dialer) (proxy_Dialer, error) {
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return &httpProxyDialer{proxyURL: proxyURL, forwardDial: forwardDialer.Dial}, nil
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})
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}
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type httpProxyDialer struct {
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proxyURL *url.URL
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forwardDial func(network, addr string) (net.Conn, error)
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}
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func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error) {
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hostPort, _ := hostPortNoPort(hpd.proxyURL)
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conn, err := hpd.forwardDial(network, hostPort)
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if err != nil {
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return nil, err
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}
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connectHeader := make(http.Header)
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if user := hpd.proxyURL.User; user != nil {
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proxyUser := user.Username()
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if proxyPassword, passwordSet := user.Password(); passwordSet {
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credential := base64.StdEncoding.EncodeToString([]byte(proxyUser + ":" + proxyPassword))
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connectHeader.Set("Proxy-Authorization", "Basic "+credential)
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}
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}
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connectReq := &http.Request{
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Method: http.MethodConnect,
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URL: &url.URL{Opaque: addr},
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Host: addr,
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Header: connectHeader,
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}
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if err := connectReq.Write(conn); err != nil {
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conn.Close()
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return nil, err
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}
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// Read response. It's OK to use and discard buffered reader here becaue
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// the remote server does not speak until spoken to.
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br := bufio.NewReader(conn)
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resp, err := http.ReadResponse(br, connectReq)
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if err != nil {
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conn.Close()
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return nil, err
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}
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if resp.StatusCode != 200 {
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conn.Close()
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f := strings.SplitN(resp.Status, " ", 2)
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return nil, errors.New(f[1])
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}
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return conn, nil
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}
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