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sysproxy_linux.go
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sysproxy_linux.go
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// Copyright 2024 Jigsaw Operations LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux && !android
package sysproxy
import (
"errors"
"os/exec"
"strings"
)
type ProxyType string
const (
proxyTypeHTTP ProxyType = "http"
proxyTypeHTTPS ProxyType = "https"
proxyTypeSOCKS ProxyType = "socks"
)
func SetWebProxy(host string, port string) error {
// Set HTTP and HTTPS proxy settings
if err := setProxySettings(proxyTypeHTTP, host, port); err != nil {
return err
}
if err := setProxySettings(proxyTypeHTTPS, host, port); err != nil {
return err
}
if err := setManualMode(); err != nil {
return err
}
return nil
}
func DisableWebProxy() error {
return gnomeSettingsSetString("org.gnome.system.proxy", "mode", "none")
}
func SetSOCKSProxy(host string, port string) error {
// Set SOCKS proxy settings
if err := setProxySettings(proxyTypeSOCKS, host, port); err != nil {
return err
}
if err := setManualMode(); err != nil {
return err
}
return nil
}
func DisableSOCKSProxy() error {
return gnomeSettingsSetString("org.gnome.system.proxy", "mode", "none")
}
func setManualMode() error {
return gnomeSettingsSetString("org.gnome.system.proxy", "mode", "manual")
}
func setProxySettings(p ProxyType, host string, port string) error {
switch p {
case proxyTypeHTTP:
if err := gnomeSettingsSetString("org.gnome.system.proxy.http", "host", host); err != nil {
return err
}
if err := gnomeSettingsSetString("org.gnome.system.proxy.http", "port", port); err != nil {
return err
}
case proxyTypeHTTPS:
if err := gnomeSettingsSetString("org.gnome.system.proxy.https", "host", host); err != nil {
return err
}
if err := gnomeSettingsSetString("org.gnome.system.proxy.https", "port", port); err != nil {
return err
}
case proxyTypeSOCKS:
if err := gnomeSettingsSetString("org.gnome.system.proxy.socks", "host", host); err != nil {
return err
}
if err := gnomeSettingsSetString("org.gnome.system.proxy.socks", "port", port); err != nil {
return err
}
}
return nil
}
func gnomeSettingsSetString(settings, key, value string) error {
return exec.Command("gsettings", "set", settings, key, value).Run()
}
func getWebProxy() (host string, port string, enabled bool, err error) {
httpHost, err := gnomeSettingsGetString("org.gnome.system.proxy.http", "host")
if err != nil {
return "", "", false, err
}
httpPort, err := gnomeSettingsGetString("org.gnome.system.proxy.http", "port")
if err != nil {
return "", "", false, err
}
httpsHost, err := gnomeSettingsGetString("org.gnome.system.proxy.https", "host")
if err != nil {
return "", "", false, err
}
httpsPort, err := gnomeSettingsGetString("org.gnome.system.proxy.https", "port")
if err != nil {
return "", "", false, err
}
mode, err := gnomeSettingsGetString("org.gnome.system.proxy", "mode")
if err != nil {
return "", "", false, err
}
if httpHost != httpsHost || httpPort != httpsPort {
return "", "", false, errors.New("HTTP and HTTPS proxy settings are different")
}
return httpHost, httpPort, mode != "none", nil
}
func getSOCKSProxy() (host string, port string, enabled bool, err error) {
socksHost, err := gnomeSettingsGetString("org.gnome.system.proxy.socks", "host")
if err != nil {
return "", "", false, err
}
socksPort, err := gnomeSettingsGetString("org.gnome.system.proxy.socks", "port")
if err != nil {
return "", "", false, err
}
mode, err := gnomeSettingsGetString("org.gnome.system.proxy", "mode")
if err != nil {
return "", "", false, err
}
return socksHost, socksPort, mode != "none", nil
}
func gnomeSettingsGetString(settings, key string) (string, error) {
out, err := exec.Command("gsettings", "get", settings, key).Output()
trimmed := strings.TrimSpace(string(out))
return strings.Trim(string(trimmed), "'"), err
}