|
| 1 | +package util |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/base64" |
| 6 | + "fmt" |
| 7 | + "net" |
| 8 | + "net/http" |
| 9 | + "net/url" |
| 10 | + |
| 11 | + "golang.org/x/net/proxy" |
| 12 | +) |
| 13 | + |
| 14 | +func NewHttpProxy(proxyAddress string) (*http.Transport, error) { |
| 15 | + proxyURL, err := url.Parse(proxyAddress) |
| 16 | + if err != nil { |
| 17 | + return nil, fmt.Errorf("error parsing proxy URL: %v", err) |
| 18 | + } |
| 19 | + |
| 20 | + transport := &http.Transport{ |
| 21 | + Proxy: http.ProxyURL(proxyURL), |
| 22 | + } |
| 23 | + |
| 24 | + if proxyURL.User != nil { |
| 25 | + proxyAuth := "Basic " + base64.StdEncoding.EncodeToString([]byte(proxyURL.User.String())) |
| 26 | + |
| 27 | + transport.ProxyConnectHeader = http.Header{ |
| 28 | + "Proxy-Authorization": []string{proxyAuth}, |
| 29 | + } |
| 30 | + } |
| 31 | + |
| 32 | + return transport, nil |
| 33 | +} |
| 34 | + |
| 35 | +func NewSocksProxy(proxyAddress string) (*http.Transport, error) { |
| 36 | + // proxyAddress: socks5://user:password@127.0.0.1:1080 |
| 37 | + proxyURL, err := url.Parse(proxyAddress) |
| 38 | + if err != nil { |
| 39 | + return nil, fmt.Errorf("error parsing proxy URL: %v", err) |
| 40 | + } |
| 41 | + |
| 42 | + dialer, err := proxy.FromURL(proxyURL, proxy.Direct) |
| 43 | + if err != nil { |
| 44 | + return nil, fmt.Errorf("error creating proxy dialer: %v", err) |
| 45 | + } |
| 46 | + |
| 47 | + transport := &http.Transport{ |
| 48 | + DialContext: func(ctx context.Context, network, address string) (net.Conn, error) { |
| 49 | + return dialer.Dial(network, address) |
| 50 | + }, |
| 51 | + } |
| 52 | + |
| 53 | + return transport, nil |
| 54 | +} |
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