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|
package engine
import (
"context"
"fmt"
"net"
"net/http"
"time"
"golang.org/x/net/proxy"
)
func HTTPClientViaSOCKS5(host string, port int, timeout time.Duration) (*http.Client, error) {
if host == "" || port <= 0 {
return nil, fmt.Errorf("invalid local socks5 endpoint")
}
addr := fmt.Sprintf("%s:%d", host, port)
dialer, err := proxy.SOCKS5("tcp", addr, nil, proxy.Direct)
if err != nil {
return nil, err
}
contextDialer, ok := dialer.(proxy.ContextDialer)
if !ok {
return nil, fmt.Errorf("socks5 dialer does not implement context dialing")
}
transport := &http.Transport{
DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
return contextDialer.DialContext(ctx, network, address)
},
ForceAttemptHTTP2: true,
MaxIdleConns: 10,
IdleConnTimeout: 30 * time.Second,
TLSHandshakeTimeout: timeout,
ResponseHeaderTimeout: timeout,
ExpectContinueTimeout: time.Second,
}
return &http.Client{
Timeout: timeout,
Transport: transport,
}, nil
}
|
