ProxySwitcher/proxy/util.go

103 lines
2.4 KiB
Go

package proxy
import (
"errors"
"strings"
"github.com/Baipyrus/ProxySwitcher/util"
"golang.org/x/sys/windows/registry"
)
func readArgs(replaceVariable bool, args []string, configCmd string) ([]string, string) {
var configArgs []string
for _, arg := range args {
if !replaceVariable {
configArgs = append(configArgs, arg)
continue
}
configCmd = strings.Replace(configCmd, "$PRSW_ARG", arg, 1)
}
return configArgs, configCmd
}
func applyProxy(configArgs []string, configCmd string, proxyServer string, variant *util.Variant) ([]string, string) {
if proxyServer == "" {
return configArgs, configCmd
}
if variant.Type == util.VARIABLE && strings.Count(configCmd, "$PRSW_ARG") == 1 {
configCmd = strings.Replace(configCmd, "$PRSW_ARG", proxyServer, 1)
return configArgs, configCmd
}
if variant.Equator != "" {
configArgs[len(configArgs)-1] += variant.Equator + proxyServer
return configArgs, configCmd
}
configArgs = append(configArgs, proxyServer)
return configArgs, configCmd
}
func getVariants(variants []*util.Variant, configCmd, proxyServer string) []*util.Command {
var commands []*util.Command
for _, variant := range variants {
replaceVariable := variant.Type == util.VARIABLE
configArgs, configCmd := readArgs(replaceVariable, variant.Arguments, configCmd)
configArgs, configCmd = applyProxy(configArgs, configCmd, proxyServer, variant)
commands = append(commands, &util.Command{Name: configCmd, Arguments: configArgs})
}
return commands
}
func ReadSystemProxy() (*Proxy, error) {
key, err := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Internet Settings`, registry.QUERY_VALUE)
if err != nil {
return nil, err
}
defer key.Close()
enabled, _, err := key.GetIntegerValue("proxyEnable")
if err != nil {
return nil, err
}
server, _, err := key.GetStringValue("proxyServer")
if err != nil && !errors.Is(err, registry.ErrNotExist) {
return nil, err
}
return &Proxy{Enabled: enabled != 0, Server: server}, nil
}
func SetSystemProxy(state bool) error {
key, err := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Internet Settings`, registry.SET_VALUE)
if err != nil {
return err
}
defer key.Close()
var value uint32
if state {
value = 1
} else {
value = 0
}
err = key.SetDWordValue("proxyEnable", value)
if err != nil {
return err
}
return nil
}