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netrc.go
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netrc.go
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package utils
import (
"errors"
"os"
"github.com/bgentry/go-netrc/netrc"
)
// .netrc should be 0400 in unix
// but it will cause problem for windows
// so we use 0600 here
//```~/.netrc
//machine surge.surge.sh
// login email@example.net
// password here_is_token
//```
var netrcPath string
func init() {
netrcPath = AtHome(".netrc")
}
func saveMyNetrc(myNetrc *netrc.Netrc) error {
b, err := myNetrc.MarshalText()
if err != nil {
return err
}
if err = os.WriteFile(netrcPath, b, 0600); err != nil {
return err
}
return nil
}
func RemoveNetrc() error {
if myNetrc, err := netrc.ParseFile(netrcPath); err != nil {
return err
} else {
myNetrc.RemoveMachine("surge.surge.sh")
// Save token to .netrc
return saveMyNetrc(myNetrc)
}
}
func WriteNetrc(login, password string) error {
if !IsFileExist(netrcPath) {
// Create .netrc file if not exists
os.WriteFile(netrcPath, []byte{}, 0600)
}
if myNetrc, err := netrc.ParseFile(netrcPath); err != nil {
return err
} else {
// Save or update machine=surge.surge.sh
if m := myNetrc.FindMachine("surge.surge.sh"); m != nil {
m.UpdateLogin(login)
m.UpdatePassword(password)
} else {
myNetrc.NewMachine("surge.surge.sh", login, password, "")
}
// Save token to .netrc
return saveMyNetrc(myNetrc)
}
}
func ReadNetrc() (login, password string, err error) {
if netrc, err := netrc.ParseFile(netrcPath); err != nil {
return "", "", err
} else {
if m := netrc.FindMachine("surge.surge.sh"); m != nil {
return m.Login, m.Password, nil
} else {
return "", "", errors.New("no existed machine surge.surge.sh")
}
}
}