e53ba4e609
* remove deprecated ioutil usage
* use more suitable functions
* add missing error handling
* remove unused variables
* select{} instead of for{}
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package packer
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import (
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"errors"
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"os"
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"os/user"
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"path/filepath"
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"github.com/gokrazy/internal/config"
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"github.com/gokrazy/tools/internal/pwgen"
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)
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func homedir() (string, error) {
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if u, err := user.Current(); err == nil {
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return u.HomeDir, nil
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}
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if home := os.Getenv("HOME"); home != "" {
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return home, nil
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}
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return "", errors.New("$HOME is unset and user.Current failed")
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}
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func ensurePasswordFileExists(hostname, defaultPassword string) (password string, err error) {
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const configBaseName = "http-password.txt"
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if pwb, err := config.HostnameSpecific(hostname).ReadFile(configBaseName); err == nil {
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return pwb, nil
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}
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pw := defaultPassword
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if pw == "" {
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pw, err = pwgen.RandomPassword(20)
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if err != nil {
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return "", err
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}
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}
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if err := os.MkdirAll(config.Gokrazy(), 0700); err != nil {
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return "", err
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}
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// Save the password without a trailing \n so that xclip can be used to
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// copy&paste the password into a browser:
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// % xclip < ~/.config/gokrazy/http-password.txt
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if err := os.WriteFile(filepath.Join(config.Gokrazy(), configBaseName), []byte(pw), 0600); err != nil {
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return "", err
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}
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return pw, nil
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}
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