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package engine
import (
"io"
"net/http"
"strings"
"time"
"vpnem/internal/config"
)
const DefaultBlockedSiteProbeURL = "https://rutracker.org"
func ModeRequiresExitIP(mode config.Mode) bool {
return mode.Final == "proxy"
}
func CheckExitIP(localProxyPort int) string {
client, err := HTTPClientViaSOCKS5(config.LocalProxyHost, localProxyPort, 5*time.Second)
if err != nil {
return ""
}
resp, err := client.Get("http://ifconfig.me/ip")
if err != nil {
return ""
}
defer resp.Body.Close()
body, err := io.ReadAll(io.LimitReader(resp.Body, 64))
if err != nil {
return ""
}
return strings.TrimSpace(string(body))
}
func ProbeBlockedSite(localProxyPort int, rawURL string, timeout time.Duration) (int, error) {
client, err := HTTPClientViaSOCKS5(config.LocalProxyHost, localProxyPort, timeout)
if err != nil {
return 0, err
}
req, err := http.NewRequest(http.MethodGet, rawURL, nil)
if err != nil {
return 0, err
}
req.Header.Set("User-Agent", "vpnem-health/1.0")
resp, err := client.Do(req)
if err != nil {
return 0, err
}
defer resp.Body.Close()
_, _ = io.Copy(io.Discard, io.LimitReader(resp.Body, 256))
return resp.StatusCode, nil
}
func DeepCheckRequiresRestart(mode config.Mode, exitIP string, probeErr error) bool {
if ModeRequiresExitIP(mode) {
return exitIP == ""
}
return probeErr != nil
}
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